Anti-aging agent composition, styrene type thermoplastic elastomer and preparation methods of anti-aging agent composition and styrene type thermoplastic elastomer

An anti-aging agent composition and styrene-based technology, applied in the field of styrene-based thermoplastic elastomers and their preparation, can solve the problems of environmental pollution and inability to significantly improve the aging resistance of styrene-based thermoplastic elastomers, and achieve improved aging resistance and The effect of anti-yellowing performance

Active Publication Date: 2015-04-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to solve the problem that the existing anti-aging agents used for styrene-based thermoplastic elastomers will pollute the environment or cannot significantly improve the aging resistance and yellowing resist...

Method used

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  • Anti-aging agent composition, styrene type thermoplastic elastomer and preparation methods of anti-aging agent composition and styrene type thermoplastic elastomer
  • Anti-aging agent composition, styrene type thermoplastic elastomer and preparation methods of anti-aging agent composition and styrene type thermoplastic elastomer

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preparation example Construction

[0025] The present invention also provides a preparation method of anti-aging agent composition, the method comprises thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate], di Phenyl-isooctyl phosphite mixed with 2-mercaptobenzimidazole.

[0026] In order to make up the various substances in the anti-aging agent composition to be fully and uniformly mixed, and to facilitate addition and use, thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionate], diphenyl-isooctyl phosphite and 2-mercaptobenzimidazole mixed process are preferably carried out in the presence of an organic solvent, so that each material of the antioxidant composition is dissolved in the organic solvent , so as to make an organic solution of anti-aging agent composition. In order to obtain the antiaging agent composition product, the method may further include drying the organic solution of the antiaging agent composition.

[0027] In the present invention, the organic solvent may b...

Embodiment 1

[0041] This example is used to illustrate the preparation method of the antioxidant composition of the present invention.

[0042] At 40°C, 30 g of thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate], 80 g of 2-mercaptobenzimidazole, diphenyl-iso 10 g of octyl phosphite was dissolved in 120 g of acetone and mixed for 10 minutes until uniform, to obtain the antioxidant composition X1 dissolved in acetone.

Embodiment 2

[0044] This example is used to illustrate the preparation method of the antioxidant composition of the present invention.

[0045] At 50°C, thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] 60g, 2-mercaptobenzimidazole 50g, diphenyl-iso 30 g of octyl phosphite was dissolved in 560 g of acetone and mixed for 7 minutes until uniform, to obtain the antioxidant composition X2 dissolved in cyclohexane.

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Abstract

The invention discloses anti-aging agent composition and a preparation method thereof. The anti-aging agent composition comprises 3, 5-bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid thiodi-2,1-ethanediyl ester, isooctyl diphenyl phosphite and 2-mercaptobenzimidazole. The invention further discloses a styrene type thermoplastic elastomer and a preparation method thereof. The styrene type thermoplastic elastomer comprises a styrenic block copolymer and the anti-aging agent composition provided by the invention. The anti-aging agent composition is applied to the styrene type thermoplastic elastomer, so that the aging resistance and the yellowing resistance of the styrene type thermoplastic elastomer can be greatly improved; and besides, components of the anti-aging agent composition contain low toxicity, so that environment pollution cannot be caused.

Description

technical field [0001] The invention relates to an antiaging agent composition and a preparation method thereof, as well as a styrene-based thermoplastic elastomer containing the antiaging agent composition and a preparation method thereof. Background technique [0002] Styrene-based thermoplastic elastomer is currently the world's largest thermoplastic elastomer with the properties most similar to rubber. At present, the polymer matrix of styrene-based thermoplastic elastomers is usually styrene-based block copolymers (Styreneic Block Copolymers, referred to as SBCs), which mainly have four types, namely: styrene-butadiene-styrene block Copolymer (SBS); Styrene-Isoprene-Styrene Block Copolymer (SIS); Styrene-Ethylene-Butene-Styrene Block Copolymer (SEBS); Styrene-Ethylene-Propylene-Benzene Ethylene-type block copolymers (SEPS). Among them, SEBS and SEPS are hydrogenated copolymers of SBS and SIS, respectively. [0003] SBS and SIS use styrene, butadiene or isoprene as ra...

Claims

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Application Information

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IPC IPC(8): C08K5/375C08K5/526C08K5/3447C08L53/02
Inventor 王丽丽李传清于国柱曲亮靓赵青松李静刘苹刘翠云李绍宁乔勋昌
Owner CHINA PETROLEUM & CHEM CORP
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