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Epoxidized styrene-butadiene-bicycloheptene block copolymer as well as preparation method and purposes thereof

A technology for epoxidizing styrene and block copolymers, which is applied in chemical instruments and methods, lamination, and layered products, etc., can solve the problems of poor wettability of fiber materials, inability to repeat molding processing, and low thermal deformation temperature. Achieve the effect of improving high temperature resistance and strength, accelerating marketization and civilianization, and reducing manufacturing costs

Inactive Publication Date: 2017-09-26
JIANGMEN HINNO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the purposes of the present invention is to solve the problems of low heat distortion temperature, poor rigidity, poor resistance to solvents and chemicals, and poor wettability to fiber materials in thermoplastic composite materials, as well as the poor impact resistance of thermosetting composite materials. To solve the problem of one-time molding and repeated molding processing, an epoxidized styrene-butadiene-bicycloheptene block copolymer is provided, which has strong rigidity, good resistance to solvents and chemicals, and good wettability to fiber materials And poor impact resistance, good performance, repeatable molding processing, etc.

Method used

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  • Epoxidized styrene-butadiene-bicycloheptene block copolymer as well as preparation method and purposes thereof
  • Epoxidized styrene-butadiene-bicycloheptene block copolymer as well as preparation method and purposes thereof
  • Epoxidized styrene-butadiene-bicycloheptene block copolymer as well as preparation method and purposes thereof

Examples

Experimental program
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Effect test

specific Embodiment 1

[0053] The preparation method of the preparation epoxidized styrene-butadiene-bicycloheptene block copolymer that present embodiment relates to, comprises the steps:

[0054] 1) Preparation of styrene-butadiene-bicycloheptene block copolymer

[0055] Dissolve 1785g of vinyltoluene, 68g of butadiene, 3240g of dicycloheptenene monomer, 100g of cyclohexanone oxide, and 200g of vinyl benzyl mercaptan in 5000g of butanone and toluene mixed solvent with a mass ratio of 1:1, at 200 Stir at rpm, heat to 60°C, and react under nitrogen inert conditions for 2.5 hours. After the reaction, filter the resulting solution, wash and dry the solid to obtain vinyltoluene-butanediene ene-bicycloheptene copolymer;

[0056] 2) Preparation of epoxidized styrene-butadiene-bicycloheptene block copolymer

[0057] After dissolving 1000g of vinyltoluene-butadiene-bicycloheptene block copolymer in 2000g of xylene, add 50g of peroxyformic acid, 3g of dodecyl mercaptan, add 1g of antioxidant and heat to 5...

specific Embodiment 2

[0058] The preparation method of the preparation epoxidized styrene-butadiene-bicycloheptene block copolymer that present embodiment relates to, comprises the steps:

[0059] 1) Preparation of styrene-butadiene-bicycloheptene block copolymer

[0060] Dissolve 3120g of styrene, 68g of butadiene, 4320g of bicycloheptene monomer, 120g of cyclohexanone oxide, and 250g of vinyl benzyl mercaptan in 5000g of butanone and xylene mixed solvent with a mass ratio of 1:1, at 300 Stirring per minute, heating to 70°C, and reacting under nitrogen inert conditions for 3 hours, after the reaction, the resulting solution was filtered, and the resulting solid was washed and dried to obtain styrene-butadiene - bicycloheptene copolymer;

[0061] 2) Preparation of epoxidized styrene-butadiene-bicycloheptene block copolymer

[0062] After dissolving 1000g styrene-butadiene-bicycloheptene copolymer block copolymer in 2500g xylene, add 80g peroxyformic acid, 2.5g vinyl benzyl mercaptan, add 0.5g ant...

specific Embodiment 3

[0063] The preparation method of the preparation epoxidized styrene-butadiene-bicycloheptene block copolymer that present embodiment relates to, comprises the steps:

[0064] 1) Preparation of styrene-butadiene-bicycloheptene block copolymer

[0065] Dissolve 9100g of 4-bromostyrene, 68g of butadiene, 4320g of bicycloheptene monomer, 300g of diisobutyronitrile, 250g of vinyl benzyl mercaptan, dissolve 5000g of propylene glycol methyl ether and xylene in a mass ratio of 1:1 In the solvent, stirring at 350 rpm, heating to 65°C, and reacting under nitrogen inert conditions for 4 hours, after the reaction, the resulting solution was filtered, and the resulting solid was washed and dried to obtain 4 - Bromostyrene-butadiene-bicycloheptene copolymer;

[0066] 2) Preparation of epoxidized styrene-butadiene-bicycloheptene block copolymer

[0067] After dissolving the 4-bromostyrene-butadiene-bicycloheptene copolymer block copolymer of 1000g in 2000g xylene, add 80g of peroxyformic a...

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Abstract

The invention relates to an epoxidized styrene-butadiene-bicycloheptene block copolymer as well as a preparation method and purposes thereof. The epoxidized styrene-butadiene-bicycloheptene block copolymer is characterized in that 1), the epoxidized styrene-butadiene-bicycloheptene block copolymer is obtained by bonding monomeric substances styrene compound, butadiene, bicycloheptene, a free radical initiator and a chain transfer agent through a chemical reaction, and the mass percentage contents of the material components in the block copolymer are as follows: 20 to 80 percent of the styrene compound, 10 to 60 percent of the bicycloheptene, 0.5 to 5 percent of the butadiene, 0.01 to 10 percent of the free radical initiator and 1 to 5 percent of the chain transfer agent; 2), the epoxidized styrene-butadiene-bicycloheptene block copolymer contains two or more epoxy radicals, not only can be used as pure thermoplastic resin, but also has certain curing and cross-linking in the condition of a curing agent, and has the performance between thermoplastic and heat convertible resin. The epoxidized styrene-butadiene-bicycloheptene block copolymer can be widely applied to the fields of bags, cars, sports, electronics, furniture, war industry and the like.

Description

technical field [0001] The invention relates to an epoxidized styrene-butadiene-bicycloheptene block copolymer and its preparation method and application, which can improve the wettability of thermoplastic resin to fibers, and make it have high strength, high heat resistance, etc. The feature is a copolymer and a corresponding composition that can improve thermosetting resin to have thermoformability. It belongs to the technical field of chemical products. Background technique [0002] Fiber-reinforced resin-based composite materials usually have excellent physical, mechanical, electrical, chemical corrosion resistance, lightweight and other comprehensive properties, and are easy to process and shape. They are widely used in industries such as automobiles, electronics, electrical appliances, medicine, building materials, and military fields. Both have come to rapid development and wide application. [0003] The resin-based composite materials are divided into two types: th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F293/00C08F8/08C08L53/02C08L63/00B32B15/082B32B15/18B32B15/20B32B37/06B32B37/10
CPCB32B15/082B32B15/18B32B15/20B32B37/06B32B37/10B32B2260/021B32B2260/046B32B2307/306C08F8/08C08L53/02C08L2201/08C08F293/005C08L63/00
Inventor 郭永军张新权温文彦布施建明漆小龙
Owner JIANGMEN HINNO TECH