78-23-9

Usage

Uses

Used in Food Industry:
PENTAERYTHRITOL MONOSTEARATE is used as an emulsifier for improving the texture and stability of food products, preventing oil and water components from separating.
Used in Pharmaceutical Industry:
PENTAERYTHRITOL MONOSTEARATE is used as a stabilizing agent in the formulation of medications, ensuring the proper dispersion and absorption of active ingredients.
Used in Cosmetic Industry:
PENTAERYTHRITOL MONOSTEARATE is used as an emulsifier and thickening agent in the formulation of beauty and personal care products, such as lotions, creams, and makeup, enhancing their texture and consistency.
Used in Plastic Industry:
PENTAERYTHRITOL MONOSTEARATE is used as a lubricant in the production of plastics, facilitating the manufacturing process and improving the final product's quality.
Used in Rubber Industry:
PENTAERYTHRITOL MONOSTEARATE is used as a release agent in the manufacturing of rubber, ensuring easy separation of the rubber from molds and preventing defects in the final product.

InChI:InChI=1/C23H46O5/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-22(27)28-21-23(18-24,19-25)20-26/h24-26H,2-21H2,1H3

Upstream product

• 115-77-5 Pentaerythritol 
• 57-11-4 stearic acid 

Relevant academic research and scientific papers

Solid supported type ion liquid catalytic synthesis of stearic acid pentaerythritol ester of method

The present invention discloses a solid supported ionic liquid catalytic synthesis of stearic acid pentaerythritol ester of method, characterized in that in order to stearic acid and pentaerythritol as the raw materials, to solid supported type imidazole ion liquid as the use of the catalyst. The invention adopts the sol-gel process solid-ionic liquid, the catalyst amount is alcohol, acid always mole number of 1% - 5%, the reaction temperature is at 110 - 170 °C, normal pressure, reaction time 1 - 5 h; the characteristic of this invention is not adopted the pollution to the environment of the concentrated sulfuric acid, with the traditional inorganic acid as compared with the catalyst, solid-ionic liquid has high catalyst activity, mild reaction, esterification rate high, obtained by the production process is simplified, catalyst recovery simple operation and the like.

Production technology of pentaerythrityl tetrastearate

The invention discloses a production technology of pentaerythrityl tetrastearate. The technology comprises the following steps: 1, adding stearic acid, heating stearic acid, and adding pentaerythritol and a catalyst after the stearic acid is completely molten; 2, heating above materials to 115-125DEG C, controlling the negative pressure to be 0.01-0.03mpa, heating the materials to 137-143DEG C, increasing the negative pressure to 0.05-0.06mpa, and carrying out a reaction; 3, increasing the vacuum degree to 0.06-0.09mpa, heating the obtained reaction material to 155-165DEG C, and carrying out a reaction at a constant temperature under a constant pressure; 4, cooling the obtained reaction product after the esterification condensation reaction ends, adding diatomite or active carbon, stirring, carrying out negative pressure temperature control, cooling the above obtained material, adding the cooled material to a plate-and-frame filter press, removing the obtained filter cake, taking the obtained filtrate, spraying powder, spraying beads, slicing the obtained product, packaging the sliced product, and warehousing the packaged product. The technology has the advantages of high stability and reliability, high output, and realization of industrial production, and the prepared pentaerythrityl tetrastearate product has the advantages of good whiteness, low acid value and high purity.

Plastic lubricant synthesis method

The invention discloses a plastic lubricant synthesis method. The method is characterized in that pentaerythritol and stearic acid are taken as raw materials and are matched according to the molar ratio of 1:4, esterification reaction is conducted at 150-220 DEG C in the air atmosphere with a small amount of water separating agent under the catalysis of the solid catalyst stannous oxide or zinc oxide, and filtration is conducted about one hour later to obtain pentaerythritol stearate, wherein the weight of the solid catalyst stannous oxide or zinc oxide is 0.1-2% that of stearic acid. The adopted solid catalyst has high catalytic property, does not cause corrosion to equipment and can be repeatedly used after filtration. Meanwhile, a small amount of xylene is adopted as the water separating agent, so that a reaction system is maintained to be at a high temperature where stannous oxide catalysis efficiency is high and reaction raw materials and products can not be oxidized or carbonized. Besides, the post-treatment method is simple, washing is not needed, and the requirement for green chemistry is met. The synthesis method is high in yield, color is good, purity is high, cost is low, and application prospects are broad.

Synthesis method of plastic lubricating agent

The present invention discloses a synthesis method of a plastic lubricating agent. The synthesis method is characterized by comprising the following steps: using pentaerythritol and stearate at a molar ratio of 1: 4 as raw materials; using a small amount of a dehydrating agent under the catalysis of a solid catalyst stannous oxide or zinc oxide (the using amount of the solid catalyst being 0.1%-0.2% of the stearate by weight); carrying out an esterification reaction at 150 DEG C-220 DEG C in an air atmosphere; and filtering for about 1 h to prepare and obtain pentaerythritol stearate. The solid catalyst used by the synthesis method has good catalytic property, does not corrode equipment, and can be reused after filtration. Meanwhile, a small amount of xylene is used as the dehydrating agent, so that a reaction system is maintained at a temperature that the catalytic efficiency of the stannous oxide is relatively high, but the raw material and products of the reaction cannot be oxidized or carbonized. Moreover, the after-treatment of the synthesis is simple, washing with water is not needed, and the requirement of green chemistry is met. The synthesis method disclosed by the present invention is high in yield, good in color and lustre, high in purity and low in cost, and has a good application prospect.