- THE PROCESS FOR THE PREPARATION AND USE OF HAIR TREATMENT COMPOSITIONS CONTAINING ORGANIC C1-C6 ALKOXY SILANES
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The subject of the present application is a method for the preparation and use of an agent for the treatment of keratinous material, in particular human hair, comprising the following steps: (1) Mixing one or more organic C1-C6 alkoxy silanes with water,(2) optionally, partial, or complete removal from the reaction mixture of the C1-C6 alcohols liberated by the reaction in step (1),(3) if necessary, addition of one or more cosmetic ingredients,(4) Filling of the preparation into a packaging unit,(5) Storage of the preparation in the packaging unit for a period of at least about 5 days; and(6) Application of the preparation on the keratinous material.
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- AGENT FOR DYEING HAIR, CONTAINING AT LEAST ONE ORGANIC SILICON COMPOUND, A COLORING COMPOUND AND A FILM-FORMING, HYDROPHILIC POLYMER
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The subject of the present disclosure is a composition for coloring keratinous material, in particular human hair, containing in a cosmetic carrier (a) at least one organic silicon compound selected from silanes having one, two or three silicon atoms, said organic silicon compound further comprising one or more basic chemical functions and one or more hydroxyl groups or hydrolysable groups per molecule,(b) at least one colorant compound from the group of pigments and/or direct dyes, and(c) at least one film-forming hydrophilic polymer.
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- METHOD FOR TREATING HAIR, COMPRISING THE APPLICATION OF AN ORGANIC SILICON COMPOUND, AN ALKALISING AGENT AND A FILM-FORMING POLYMER
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It is an object of the present disclosure to provide a method for treating keratinous material, in particular human hair, comprising the following steps: Application of a water-containing agent (a) to the keratinous material, wherein the agent (a) has and contains a pH of at least 9.6:(a1) at least one organic silicon compound selected from the group including silanes having one, two or three silicon atoms, and(a2) at least one alkalizing agent selected from the group including ammonia, alkanolamines and basic amino acids, andApplication of an agent (b) to the keratinous material, wherein the agent (b) includes:(b1) at least one film-forming polymer.
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- Structure-Property Relationships of Silylamine-Type Reversible Ionic Liquids for Use as a Switchable Electrolyte
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Switchable electrolytes, whose properties (i.e., conductivity and polarity) can be switched dramatically are very useful. They can address problems associated with multiple electrochemical systems: (1) the need to separate products from the electrolyte after electro-organic syntheses, and; (2) the desire to stop the acceleration of electrochemical reactions in energy storage devices during thermal excursions. Silylamine-type reversible ionic liquids (RevILs) in co-solvents were used as switchable electrolytes in this work. The silylamine RevILs in co-solvents can have a dramatic change in conductivity when switching from a RevIL state to a molecular liquid (state) when heat is applied. The silylamines also have significant changes in polarity with switching. The fundamental silylamine structure-property relationships that can be tuned to control relevant properties such as conductivity, viscosity, thermal switch temperature, and solubility were investigated. In addition, these silylamine RevILs were tested with the addition of metal salts, which were found to increase the conductivity in both the RevIL and ML states. By tailoring the silylamine RevIL structures, the thermo-physical properties for the electrochemical application can be met.
- Jung, Sungyup,Podder, Showmik,Chen, Josephine,Biddinger, Elizabeth J.
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- PROCESS FOR DYEING HAIR
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The subject of the present disclosure is a process for dyeing human hair, in which a pretreatment agent (A) which contains at least one organic silicon compound of the formula (I) and/or (II) and contains no direct dyes and no pigments, anda colorant (B) which contains at least one organic silicon compound of the formula (I) and/or (II) and further contains at least one colorant compound from the group of direct dyes and/or pigments, can be applied to the hair, wherein the organic silicon compounds of formulae (I) and (II) are defined as follows [in-line-formulae]R1R2N-L-Si(OR3)a(R4)b??(I),[/in-line-formulae] [in-line-formulae](R5O)c(R6)dSi-(A)e-[NR7-(A′)]f—[O-(A″)]g-[NR8-(A′″)]h—Si(R6′)d′(OR5′)c′??(II).[/in-line-formulae]
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- (Dicyclopentadiene) platinum(II) dichloride: An efficient catalyst for the hydrosilylation reaction between alkenes and triethoxysilane
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(Dicyclopentadiene) platinum(II) dichloride was found to be an efficient hydrosilylation catalyst (homogeneous) upon a wide variety of functionalized alkenes and alkenes terminated with chemical moieties (diphenyl amino-, N-carbazol- and N-isoindoline-1,3-dione-). It is noteworthy that the hydrosilylation of aminated alkenes with triethoxysilane exhibited the yield of over 70% and the selectivity (γ-isomer/β-isomer) of more than 3/1. Due to steric hindrance lowering Markovnikov probability, the alkenes with big terminal moieties (diphenyl amino-, N-carbazol- and N-isoindoline-1,3-dione-) presented the high ratio of anti-Markovnikov isomers. The strategy of the hydrosilylation of the protected diamino chelating alkene was developed.
- Wu, Huarui,Zheng, Chaoyue,Chen, Naiwu,Zhu, Jie,Gao, Deqing
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supporting information
p. 1576 - 1578
(2017/04/03)
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- Study of Karstedt's Catalyst for Hydrosilylation of a Wide Variety of Functionalized Alkenes with Triethoxysilane and Trimethoxysilane
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The hydrosilylation is one of the most important methods for the synthesis of organosilicon compounds. Karstedt's catalyst [Ptn(H2C=CHSiMe2OSiMe2CH=CH2)m] is a kind of platinum catalyst which is widely used in the hydrosilylation. In this paper, we studied the catalytic activity of Karstedt's catalyst for the hydrogenation of olefins and especially aminated alkenes with trimethoxysilane and triethoxysilane, and demonstrated the excellent performance in terms of the yield and selectivity.
- Pan, Zhenhuan,Liu, Minglun,Zheng, Chaoyue,Gao, Deqing,Huang, Wei
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supporting information
p. 1227 - 1230
(2017/09/02)
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- Method for preparing organic silicon by passage reaction device
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The invention provides a method for preparing organic silicon by a passage reaction device. Under the condition of main catalysts Z, hydrogen-containing silane X and an unsaturated compound Y are introduced into the passage reaction device; hydrosilylation reaction is performed to prepare the organic silicon, wherein the hydrogen-containing silane X has the structure being HSiRR'Cl, in the formula, R and R' are independently C1 to C16 alkyl or alkoxy; a=1, 2 or 3; b, c and d are respectively and independently 0, 1, 2 or 3; the unsaturated compound Y is a monoene compound or single-alkyne compound; the main catalysts Z are one or several mixed ones of single-component complexes or multi-component complexes of Pt, Pd, Rh, Ru, Cu, Ag, Au or Ir; the passage surface in which reaction flow contacts is subjected to inactivation treatment by an activating agent Z. The problems of long reaction period, poor stability and the like of large-sized reaction equipment are solved; the problem that mixing, pre-reaction and afterreaction are separated and are performed in multi-unit equipment is solved.
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Paragraph 0051
(2016/10/17)
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- Process for manufacturing polysiloxane microcapsules that are functionalized and are not very porous
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A method is provided for encapsulating products that can have lipophilic or hydrophilic, including volatile, properties in a polysiloxane membrane that is particularly impervious. A method is also provided for evaluating the imperviousness of capsules. The present method includes the following steps: a) formation of droplets by an emulsion between an oily phase containing the product to be encapsulated and an acidic aqueous phase heated to around 50° C. and in the presence of surfactants; b) addition and hydrolysis of at least one silane in order to obtain a silanol; c) increasing the pH in order to start condensation of the silanol to form a first membrane around the droplets of the product to be encapsulated; d) lowering the pH; e) increasing the pH, optionally preceded by adding a silane, in order to obtain a new condensation of silanol around the droplets of the product to be encapsulated.
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Page/Page column 4
(2016/09/26)
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- Synthesis method of aminopropyl triethoxysilane
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The invention relates to a synthesis method of aminopropyl triethoxysilane and belongs to the technical field of fine chemical engineering.According to the method, acetone and allyl amine are put into a reactor according to a proportion, a water absorbing agent is added, after a stirring and temperature-raising reaction, reactants are distilled and filtered, filter residues are reused after being regenerated, filter liquor and triethoxysilane are subjected to an addition reaction through a Custer catalyst, purified products obtained after being distilled react with deionized water, and after low-boiling-point acetone is obtained through distillation, an aminopropyl triethoxysilane product is obtained.The yield of the aminopropyl triethoxysilane product is high, energy consumption is low, production cost is low, side products and raw materials can be recycled, and environmental pollution is avoided.
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Paragraph 0017; 0020
(2017/01/02)
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- COSMETIC TREATMENT METHOD COMPRISING THE APPLICATION OF A COATING BASED ON AN AEROGEL COMPOSITION OF LOW BULK DENSITY
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The present invention relates to a cosmetic treatment method comprising the formation of a coating on keratin fibres characterized in that it comprises: 1) the preparation of an aerogel precursor composition comprising:—at least one organic solvent chosen from acetone, C1-C4 alcohols, C1-C6 alkanes, C1-C4 ethers, which may or may not be perfluorinated, and mixtures thereof and at least one precursor compound that contains:—at least one atom chosen from silicon, titanium, aluminium and zirconium,—at least one hydroxyl or alkoxy function directly attached to the atom chosen from silicon, titanium, aluminium and zirconium by an oxygen atom, and,—optionally an organic group directly attached to the atom chosen from silicon, titanium, aluminium and zirconium by a carbon atom, 2) the removal of the solvent or solvents resulting in the formation of an aerogel composition having a bulk density less than or equal to 0.35 g/cm3, 3) the application to the keratin fibres of the aerogel composition resulting from step 2) or of the aerogel precursor composition resulting from step 1). Advantageously, the molar ratio between the precursor compounds and the solvent is at most 1/20.
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Paragraph 0071
(2014/02/15)
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- Efficient and Recyclable Heterogeneous Nanocatalysts
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Efficient and recyclable heterogeneous nanocatalysts and methods of synthesizing and using the same are provided.
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- Method for Attachment of Silicon-Containing Compounds to a Surface and for Synthesis of Hypervalent Silicon-Compounds
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A method for inducing a hypervalent state within silicon-containing compounds by which they can be chemically attached to a surface or substrate and/or organized onto a surface of a substrate. The compounds when attached to or organized on the surface may have different physical and/or chemical properties compared to the starting materials.
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- ORGANOSILICON COMPOUND AND ITS PRODUCTION METHOD, COMPOUNDING AGENT FOR RUBBER, RUBBER COMPOSITION, AND TIRE
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A method for producing a sulfur-containing organosilicon compound capable of dramatically reducing hysteresis loss of the cured rubber composition and improving abrasion resistance and its production method are provided. A compounding agent for rubber containing the sulfur-containing organosilicon compound, a rubber composition prepared by blending such compounding agent for rubber, and a tire produced by using the cured rubber composition are also provided. The sulfur-containing organosilicon compound has a hydrolyzable silyl group, amino group, and mercapto group.
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- Preparation of monodispersed spherical titania-octadecylamine particles containing silane-coupling reagents
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Well-defined spherical titania-octadecylamine (titania-ODA) (titania: titanium dioxide) hybrid particles containing silane-coupling reagents including aminopropyl, sulfanylpropyl, octadecyl, and phenyl groups (molar Ti:silane-coupling reagent ratio of 50:1) were prepared by sol-gel reaction of titanium tetraisopropoxide with the aid of a flow reactor. Average particle sizes were 520, 380, 540, and 510 nm for aminopropyl, sulfanylpropyl, octadecyl, and phenyl group containing particles, respectively. ODA was removed by washing the as-synthesized products with acidic EtOH, resulting in the formation of organosilyl group containing nanoporous titania. The porosity was investigated by the nitrogen adsorption/desorption isotherms (BET surface area of 250 to 400 m2g-1) and the surface hydrophilicity/hydrophobicity is discussed based on the water and benzene vapor adsorption/desorption isotherms. Crystallization of anatase within the spherical particles is possible by postsynthetic hot water or hydrothermal treatment.
- Shiba, Kota,Sato, Soh,Ogawa, Makoto
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p. 1040 - 1047,8
(2020/08/24)
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- METHOD OF PRODUCING AN AMINOALKYLALKOXYSILANE
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A method of preparing an aminoalkylalkoxysilane, the method comprising reacting a haloalkylalkoxysilane with ammonia in a high pressure reactor for an amount of time sufficient to consume from 20 to 99.99 % (w/w) of the haloalkylalkoxysilane and form an aminoalkylalkoxysilane; venting ammonia from the reactor to give a mixture comprising the aminoalkylalkoxysilane, unreacted haloalkylalkoxysilane, and an ammonium halide; and treating the mixture with a primary amine to form an N-substituted aminoalkylalkoxysilane.
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Page/Page column 18
(2011/05/05)
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- One-component, switchable ionic liquids derived from siloxylated amines
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A new class of one-component, thermally reversible, neutral to ionic liquid solvents derived from siloxylated amines is presented and characterized. The Royal Society of Chemistry.
- Blasucci, Vittoria,Dilek, Cerag,Huttenhower, Hillary,John, Ejae,Llopis-Mestre, Veronica,Pollet, Pamela,Eckert, Charles A.,Liotta, Charles L.
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body text
p. 116 - 118
(2009/03/11)
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- Fluorescent probe and fluorescence detecting method
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A fluorescent probe having a base sequence complementary to a specific sequence in a target nucleic acid, wherein the fluorescent probe has one end labeled with a nano particle fluorescent material, and the other end labeled with a fluorescent dye capable of fluorescence resonance energy transfer from the nano particle fluorescent material.
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- Method for detecting cancer using metal-oxide or metal-sulfide nanoparticle fluorescent material
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It is an object of the present invention to provide a nanoparticle fluorescent material for detecting cancer with which cancer can be detected with high sensitivity, using highly safe and broad light emission on a simple device. The present invention provides a nanoparticle fluorescent material which comprises a metal-oxide or metal-sulfide nanoparticle fluorescent material whose surface is modified by a surface modifying agent and whose half bandwidth of light emission is between 50 and 200 nm, wherein an antibody that recognizes cancer antigen is bound to the surface modifying agent.
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- AZASILANES AND METHODS FOR MAKING AND USING THE SAME
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A class of volatile cyclic and acyclic azasilanes is provided as well as methods for their preparation which comprise heating aminoalkoxysilanes in the presence of an ammonium salt, sulfuric acid, or phosphonium salt. The cyclic azasilanes may be used for the treatment of inorganic surfaces, particularly nanoparticles, by a ring-opening reaction when non-hydrolytic deposition methods are required.
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Page/Page column 14
(2008/06/13)
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- Transetherification of organosilicon amines with cellosolve and trimethylsilanol
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Kinetics of transetherification of (3-aminopropyl)trimethoxysilane, [3-N-(2-aminoethyl)amino-propyl]trimethoxysilane, and (3-aminopropyl) triethoxysilana with Cellosolve and trimethylsilanol were studied. The example of [3-N-(2-aminoethyl)aminopropyl]trim
- Kovyazin,Nikitin,Kopylov,Sokol'skaya
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p. 1383 - 1387
(2007/10/03)
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- Cleavage of cyclic organosilanes in the preparation of aminofunctional organoalkoxysilanes
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An aminofunctional organoalkoxysilane of formula I R2N—(CH2)y—Si(OR1)3?nR2n ??(I), wherein the R groups bonded to nitrogen are identical or different and each individual R group is hydrogen, an alkyl radical having from 1 to 4 carbon atoms, an aryl radical or an arylalkyl radical, R1 is an alkyl radical having from 1 to 8 carbon atoms or an aryl radical, R2 is an alkyl radical having from 1 to 8 carbon atoms or an aryl radical, y is 2, 3 or 4 and n is 0, 1 or 2, is prepared by a process comprising: reacting a chlorofunctional organoalkoxysilane of formula II Cl—(CH2)y—Si(OR1)3?nR2n ??(II), wherein R1, R2, y and n are as defined above, with ammonia or an organic amine of formula III HNR2 ??(III), wherein the two R groups are identical or different and each is defined as described above; separating organic amine hydrochloride or ammonium chloride by-product which is formed in the reaction; distilling the resulting crude product, thereby preparing an aminofunctional organoalkoxysilane or the product fraction of an aminofunctional organoalkoxysilane; and treating the aminofunctional organoalkoxysilane or the product fraction of an aminofunctional organoalkoxysilane with an alcohol.
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- Biosensor
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An improved biosensor is disclosed comprising an immobilised membrane adhering to a pH sensitive surface of an ion-sensitive field effect transistor by a polysiloxane matrix and comprising an analyte detection agent for detecting and/or quantifying a target analyte. The improvement resides in the immobilised membrane having a thickness of less than about 100 nm which, when compared to conventional immunochemical membranes having a thickness of between 500 nm and 2.0 μm, has reduced propensity for antibody aggregation with improved antibody affinity and sensitivity of the sensor.
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- Use of an organometallic compound to protect and/or strengthen a keratin material, and treatment process
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The use of a composition comprising at least one organometallic compound which may be obtained by partial or total hydrolysis, and partial or total condensation, of at least one metallic precursor, to at least one of protect and strengthen a keratin material.
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- The influence of additives to the Speier catalyst on hydrosilylation of functionalized alkenes
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Hydrosilylation of several unsaturated compounds with triethoxysilane in the presence of the Speier catalyst with various additives influencing the reaction rate and selectivity was studied. The mechanism of hydrosilylation is discussed.
- Chernyshev,Belyakova,Knyazeva,Pomerantseva,Efimova
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p. 1374 - 1378
(2007/10/03)
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- Diamino compounds and their production method
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The present invention is to provide diamino compounds useful to polyamide raw materials for production of liquid crystal alignment layers having excellent voltage holding ratios without development of image-sticking phenomena, a method for producing the compounds and liquid crystal display devices equipping the liquid crystal alignment layers. The Diamino compounds are represented by the general formula (1): STR1 wherein R indicates hydrogen or an alkyl group having 1 to 8 carbon atoms, further, X, Y and Z indicate hydrogen, an alkyl group having 1 to 3 carbon atoms or fluorine, respectively, and a part or all of them may be the same or different, and the positions of these substitutive groups may be ortho positions or meta positions.
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- Process for making a silylisocyanurate
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This invention provides a process for making a silylorganocarbamate or a silylisocyanurate which process comprises reacting an aminosilane with a dialkyl carbonate, diaryl carbonate or a mixture thereof in the presence of a basic catalyst to obtain the silylorganocarbamate; optionally, neutralizing the basic catalyst and residual aminosilane with a neutralizing agent; and adding a cracking catalyst and heating at subatmospheric pressure to obtain the silylisocyanurate; or heating a silylorganocarbamate at a temperature sufficient for dissociation of the carbamate at subatmospheric pressure in the presence of a cracking catalyst and a timerization catalyst to obtain a silylisocyanurate.
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- Carbamate silicon compounds as latent coupling agents and process for preparation and use
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Novel tert-alkyl carbamate silicon compounds are provided which are useful as coupling agents. The compounds have the formulas: STR1 wherein the R groups can represent various hydrocarbon and other groups, n has a value of 1 to 10, b has a valueof from 2 to 5 and a has a value of 1, 2 or 3. Processes are also provided for the preparation of the carbamate compounds and their use as coupling agents.
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- Process for preparing aminopropyl silanes
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A process for preparing aminopropyl silanes in which an allylamine is reacted with a hydrosilane in the presence of a catalyst comprising (i) metallic rhodium or a rhodium compound and (ii) a basic compound. By the proposed process the corresponding gammaaminopropyl silane can be prepared in a high selectivity and yield within a short period of reaction time.
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- Process for preparing aminopropyl silanes
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A process for preparing aminopropyl silanes comprises reacting an allylamine with a hydrosilane in the presence of a ruthenium compound having at least one tertiary phosphine ligand as a catalyst. By the proposed process the corresponding gamma-aminopropyl silane can be prepared in a high yield in a short period of reaction time.
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- Process for the synthesis of organofunctional silanes using isatoic anhydride or derivatives thereof
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A process for the synthesis of organofunctional silanes having general formula (I), as well as the use of them is disclosed.
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- Process for preparing aminopropyl alkoxy silanes
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In a process for preparing aminopropyl alkoxy silanes comprising reacting an allylamine with a hydro-alkoxy silane in the presence of a rhodium catalyst, the improvement which comprises use of a rhodium phosphide or its oligomer as said rhodium catalyst. By this process the desired gamma-isomer can be prepared in a high selectivity and yield within a short reaction time.
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- Process for preparing aminopropyl alkoxy silanes
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A process for preparing aminopropyl alkoxy silanes comprising reacting an allylamine having at least one active hydrogen atom attached to the amine nitrogen atom with a hydro-alkoxy silane having from 1 to 3 alkoxy groups attached to the silicon atom in the presence of a rhodium complex having inorganic ligands, at least one of said ligands being carbonyl. By this process the desired gamma-isomer can be prepared in a high selectivity and yield within a short reaction time. When the reaction is carried out in the presence of carbon monoxide and/or a cyclic olefinic compound, the selectivity and yield of the gamma-isomer can be further improved. The presence of carbon monooxide in the reaction system further serves to lengthen the catalyst life and to reduce the amount of the catalyst to be used.
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- Process for making amino group-containing organosilicon compounds
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A process for making an organosilicon compound containing an amino group, which comprises reacting an allylamine with the hydrosilyl group of a silicon compound represented by the formula: wherein R1 represents monovalent groups which may be identical of different and are selected from the group consisting of substituted or unsubstituted hydrocarbon groups, di- or trimethylsilyl groups and mono- or polyorganosiloxanyl groups; R2 represents an alkoxy-substituted or unsubstituted alkyl group; and n represents an integer of 0 to 3, in the presence of a complex of platinum with an olefin or its derivative, said reaction being carried out further in the presence of an amino compound represented by the formula: wherein R3 represents monovalent groups which may be identical or different and are selected from the group consisting of hydrogen, alkyl groups and phenyl groups, at least one of which is an alkyl group or a phenyl group; Q represents a divalent group of the formula: STR1 of which two valences are bonded to the same N atom; and A represents O or S.
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- Silicone reaction products and glycol compositions containing the products
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The reaction product of phosphorous acid, formaldehyde, and monomeric or polymeric alkoxysilanes having one or more aminoalkylene groups are useful as gelation inhibitors for aqueous glycol solutions.
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- Process for the synthesis of organofunctional silanes using isatoic anhydride or derivatives thereof
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A process for the synthesis of organofunctional silanes having general formula (I), as well as the use of them is disclosed. STR1
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- Organosilane esters having glycol ether moieties
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The present invention relates to new organosilane esters which can be characterized by the formula Y-(CH2)n Si(CH3)p -Xm Z3-(m+p). In this formula, Y represents either a substituted or unsubstituted amino group, or it represents the mercapto moiety or the moiety STR1 X represents an alkoxy group with 1 to 4 carbon atoms and Z a glycol ether moiety. The index n can assume the numerical values from 1 to 3, m can be 0 or 1 and p can be 0 or 1 or 2, on the condition that m+p is equal to or less than 2. The new silanes yield very stable hydrolyzates and have good adhesion-improving properties. They are therefore particularly well suited for use in sealing compositions.
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- Reactive silicone hair setting compositions
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Reactive silicone hair setting compositions composed of isopropanol solutions containing at least one aminoalkylalkoxysilane and a titanate ester. Optional ingredients include hair conditioners and tetraalkoxysilanes. The compositions provide high set holding levels at high humidities.
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- Method of preparing gamma aminopropyl alkoxy silanes
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A process for preparing a gamma amino propyl alkoxy silane of the formula STR1 wherein R is an alkyl moiety of 1 to 4 carbon atoms, R' is methyl or phenyl, and y is 0, 1 or 2 which comprises contacting the corresponding gamma-chloropropyl alkoxy silane with ammonia under pressure at a temperature between 50° and 90° C. while stirring the reaction mixture.
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- Method of preparing aminoalkylsilanes
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An improved process for the production of an aminoalkylsilane by reaction of a chloroalkylsilane with ammonia or alkylamine at an elevated temperature or pressure wherein the chloroalkylsilane is added in a less than stoichiometric ratio to the ammonia or alkylamine preheated in a pressure vessel at a temperature between 50° and 200° C. Thereafter the reaction is carried out in a known manner within the temperature range of 50° to 200° C. By this manipulative technique, a higher yield of aminoalkylsilane is obtained per unit of time and the aminoalkylsilane is obtained in a greater purity.
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- Azido-silane compositions
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Azido-containing silane compositions of matter useful as coupling agents in the production of polymer composite articles.
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