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Method for preparing new material as capacity-expansion chain extender

A new material and chain extender technology, which is applied in the field of preparation of new materials used as a capacity-enhancing chain extender, can solve the problems of small cross-linking effect between long-chain polymers and increase of surface strength, and achieve cross-linking effect Strong, enhanced tensile strength and impact resistance

Inactive Publication Date: 2018-04-06
孝感市锐思新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing compatibilizing and chain extender products have little effect on the crosslinking between long-chain polymers, and there is still a large room for improvement in the mechanical properties and surface strength of polyurethane coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] In the reaction kettle, add 100Kg of styrene, 0.03Kg of 1-hydroxytetraphenylcyclopentadiene tetracarbonyl diruthenium, 6Kg of 1,4-butanediol vinyl diether, 4-amino-5,5,5- Ethyl trifluoro-3-pentenoate 2Kg, vinyl (trifluoromethyl) dimethylsilane 2Kg, allyl tributyltin 0.3Kg, benzoyl peroxide 1.5Kg, polyvinyl alcohol 1.5Kg, water 300Kg , stirred evenly, then raised the temperature to 85°C, reacted for 11 hours, the product was filtered, washed with water, and dried to obtain a new material of compatibilization and chain extender.

Embodiment 2

[0015] In the reaction kettle, add 100Kg of styrene, 0.01Kg of 1-hydroxytetraphenylcyclopentadiene tetracarbonyl diruthenium, 4Kg of 1,4-butanediol vinyl diether, 4-amino-5,5,5 - ethyl trifluoro-3-pentenoate 1Kg, vinyl (trifluoromethyl) dimethylsilane 1Kg, allyl tributyltin 0.1Kg, benzoyl peroxide 1Kg, polyvinyl alcohol 1Kg, water 200Kg, After stirring evenly, the temperature was raised to 80°C and reacted for 8 hours. The product was filtered, washed with water, and dried to obtain a new material of a compatibilizing chain extender.

Embodiment 3

[0017] In the reaction kettle, add 100Kg of styrene, 0.1Kg of 1-hydroxytetraphenylcyclopentadiene tetracarbonyl diruthenium, 8Kg of 1,4-butanediol vinyl diether, 4-amino-5,5,5- Trifluoro-3-pentenoic acid ethyl ester 3Kg, vinyl (trifluoromethyl) dimethylsilane 3Kg, allyl tributyltin 0.5Kg, benzoyl peroxide 2Kg, polyvinyl alcohol 5Kg, water 400Kg, stir After uniformity, the temperature was raised to 100°C and reacted for 14 hours. The product was filtered, washed with water, and dried to obtain the new material of the compatibilizing chain extender.

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PUM

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Abstract

The invention relates to a preparation method of a new material used as a compatibilizing chain extender. In parts by weight, add styrene, 1-hydroxytetraphenylcyclopentadiene tetracarbonyl diruthenium, 1,4-butanediol vinyl diether, 4-amino-5,5,5- Ethyl trifluoro-3-pentenoate, vinyl (trifluoromethyl) dimethylsilane, allyl tributyltin, benzoyl peroxide, water, polyvinyl alcohol, stir well and then heat up, reaction, product After filtering, washing with water and drying, the new material of the expansion and chain extender is obtained.

Description

technical field [0001] The invention relates to a preparation method of a compatibilizing chain extender, in particular to a preparation method of a new material used as a compatibilizing chain extender. Background technique [0002] The full name of polyurethane is polyurethane, which is a general term for macromolecular compounds containing repeated carbamate groups on the main chain. Polyurethane is a child of our country's urethane, and it can also contain ether, ester, urea, 2 urea, and urea groups. First, polyurethane introduces groups. It is formed by addition polymerization of organic 2-isocyanate or polyisocyanate and 2-hydroxyl or polyhydroxyl compound. Polyurethane material is extremely versatile and can replace rubber, plastic, nylon, etc. It is used in airports, hotels, building materials, automobile factories, coal mines, cement factories, high-end apartments, villas, landscaping, colored stone art, parks, etc. Choosing a suitable chain extender product can i...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F216/14C08F220/34C08F230/08C08F230/00C08G18/62
CPCC08F212/08C08G18/6295C08F216/14C08F220/34C08F230/08C08F230/00
Inventor 王大可张欣
Owner 孝感市锐思新材科技有限公司
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