1205686-58-3

Upstream product

• 27955-94-8 1,1,1-tris(4-hydroxyphenyl)ethane 
• 35948-25-5 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide 
• 99-93-4 4-Hydroxyacetophenone 
• 108-95-2 phenol 

Downstream Products

• 1205686-64-1 1,1-bis(4-cyanatophenyl)-1-(6-oxido-6H-dibenz[c,e][1,2]oxaphosphorin-6-yl)ethane 

Relevant academic research and scientific papers

PHOSPHORUS-CONTAINING COMPOUNDS, EPOXY RESINS THEREOF AND LAMINATE COMPOSITE STRUCTURES THEREOF

PROBLEM TO BE SOLVED: To provide phosphorous-containing compounds that can be used for improving the flame retardancy of epoxy resin. SOLUTION: The phosphorus-containing compounds have a structure of formula (I) (where, X is a C6-C30 bivalent aromatic hydrocarbon group, or a C1-C8 alkylene group; RA is a C1-C6 alkyl group or the like; w is an integer of 1-9; R1-R4 each denote H, a C1-C10 alkyl group or the like, R5 is a C1-C10 alkyl group or the like, Ar1 and Ar2 each denote a bivalent arylene group). SELECTED DRAWING: None COPYRIGHT: (C)2022,JPOandINPIT

PHOSPHOROUS CONTAINING EPOXY RESINS AND PROCESS FOR SYNTHESIS

The present invention provides epoxy resin compounds comprising a high phosphorus and oxazolidone content, methods to prepare these epoxy resin compounds, curable compositions comprising these epoxy resins, and cured epoxy resin compounds by curing the curable epoxy resin compounds comprising a high phosphorus and oxazolidone content.

PHOSPHINATED COMPOUND AND CURED PRODUCT THEREOF

A phosphinated compound and a cured product thereof are provided. The phosphinated compound includes a structure represented by Formula (1): In Formula (1), R1, R2, and R3are independently hydrogen, C1~C6 alkyl, C1~C6 alkoxy, or phenyl respectively.

XANTHENE-CONTAINING OR THIOXANTHENE-CONTAINING PHOSPHINATED COMPOUNDS AND PREPARATION METHODS THEREOF

Xanthene-containing or thioxanthene-containing phosphinated compounds and preparation methods thereof are disclosed. The method includes reacting compounds (i) with compounds (ii) and compounds (iii) in the presence of an acid catalyst to synthesize compounds having the structure of formula (I).

Phosphorous containing compounds and process for synthesis

The instant disclosure relates to phosphorus-containing compounds that can be used to form flame retardant phosphorus-containing resins, and also can serve as a hardener for a flame retardant epoxy resin compositions. In particular, the phosphorus-contain

MONOFUNCTIONAL, BIFUNCTIONAL, AND MULTIFUNCTIONAL PHOSPHINATED PHENOLS AND THEIR DERIVATIVES AND PREPARATION METHOD THEREOF

The present invention provides novel phosphinated compounds of monofunctional, bifunctional, multifunctional phenols represented by the following formulae and their derivatives, and preparation methods thereof:

Preparation of phosphinated bisphenol from acid-fragmentation of 1,1,1-tris(4-hydroxyphenyl)ethane and its application in high-performance cyanate esters

We reveal a route for the preparation of phosphinated bisphenol, 1,1-bis(4-hydroxyphenyl)-1-(6-oxido-6H-dibenz oxaphosphorin-6-yl)ethane (2), via a one-pot reaction of 1,1,1-tris(4- hydroxyphenyl)ethane and 9,10-dihydro-9-oxa-10-phosphaphenant

PHOSPHORUS-CONTAINING BISPHENOLS AND PREPARING METHOD THEREOF

The Phosphorus-containing bisphenols and preparing method thereof are disclosed. A method for producing the phosphorus-containing bisphenol of the general formula (1) includes reacting compounds respectively defined by a general formula (a), (b), (c) and an acid catalyst to yield compounds of phosphorus-containing bisphenol.