Preparation method of organic fluorine hydrophobic chain extender containing ionic liquid

An organic fluorine and hydrophobic technology, applied in the field of preparation of organic fluorine hydrophobic chain extenders, can solve the problems of complex production operation process and insignificant improvement of surface strength, and achieve the effect of good hydrophobic performance and improved stretchability

Active Publication Date: 2016-11-02
上海鲁聚聚合物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The polyurethane chain extenders in the prior art can greatly improve the hydrophobic properties of polyurethane products, but they also have the disadvantages of complex production and operation processes, and the lack of obvious improvement in the mechanical properties of coatings and surface strength

Method used

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  • Preparation method of organic fluorine hydrophobic chain extender containing ionic liquid

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] In a 1000L reactor, add 150Kg of water, 100Kg of styrene, 40Kg of 1-vinyl-3-ethylimidazole hexafluorophosphate solution (mass concentration 20%), 1-vinyl-3-butylimidazole tetrafluoroboron Salt solution (mass concentration 20%) 40Kg, 6,6,7,7,8,8,8-heptafluoro-5,5-bis(trifluoromethyl)-1,3-octadiene 8Kg, 1 5 9-Cyclododecatriene 1Kg, benzoyl peroxide 1Kg, react at 100°C for 10 hours, remove unreacted reactants after the reaction, filter the product, and dry to obtain organic fluorine hydrophobic chain extension agent. The resulting product number was M-1.

Embodiment 2

[0016] In a 1000L reactor, add 150Kg of water, 100Kg of styrene, 30Kg of 1-vinyl-3-ethylimidazole hexafluorophosphate solution (mass concentration 20%), 1-vinyl-3-butylimidazole tetrafluoroboron Salt solution (mass concentration 20%) 30Kg, 6,6,7,7,8,8,8-heptafluoro-5,5-bis(trifluoromethyl)-1,3-octadiene 5Kg, 1 5 9-Cyclododecatriene 0.5Kg, benzoyl peroxide 0.5Kg, react at 80°C for 8 hours, remove unreacted reactants after the reaction, filter the product, and dry to obtain organic fluorine hydrophobic chain extender. The resulting product number was M-2.

Embodiment 3

[0018] In a 1000L reactor, add 150Kg of water, 100Kg of styrene, 50Kg of 1-vinyl-3-ethylimidazole hexafluorophosphate solution (mass concentration 20%), 1-vinyl-3-butylimidazole tetrafluoroboron Salt solution (mass concentration 20%) 50Kg, 6,6,7,7,8,8,8-heptafluoro-5,5-bis(trifluoromethyl)-1,3-octadiene 10Kg, 1 5 9-Cyclododecatriene 2Kg, benzoyl peroxide 2Kg, react at 120°C for 12 hours, remove unreacted reactants after the reaction, filter the product, and dry to obtain organic fluorine hydrophobic chain extension agent. The resulting product number was M-3.

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Abstract

A preparation method of an organic fluorine hydrophobic chain extender containing ionic liquid is disclosed, wherein styrene, a 1-vinyl-3-ethylimidazole hexafluorophosphate solution, a 1-vinyl-3-butylimidazole tetrafluoroborate solution, 6,6,7,7,8,8,8-heptafluoro-5,5-bis(trifluoromethyl)-1,3-octadiene, and 1,5,9-cyclododecatriene are participate in polymerization, thus preparing the organic fluorine hydrophobic chain extender which can improve mechanical performance and hydrophobic capability of a polyurethane product.

Description

technical field [0001] The invention relates to a preparation method of a chain extender, in particular to a preparation method of an organic fluorine hydrophobic chain extender containing an ionic liquid. Background technique [0002] Polyurethane materials can be used in various fields such as coatings, adhesives, rubber, and synthetic materials. Among them, the hydrophobic polyurethane material has its unique characteristics and plays an extremely important role in many fields such as heat preservation, adhesion, waterproof, and flame retardancy. With the continuous development of science and technology and the continuous progress of the economy, the requirements for the physical and chemical properties of hydrophobic polyurethane materials in various fields are also increasing. Therefore, it is necessary to develop a chain extender that can improve the performance of hydrophobic polyurethane materials. [0003] CN 105131807A discloses a hydrophobic water-based fluoresce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F230/02C08F230/06C08F236/16C08F232/06C08G18/69
CPCC08F212/08C08G18/696C08F230/02C08F230/06C08F236/16C08F232/06
Inventor 张玲王新
Owner 上海鲁聚聚合物技术有限公司
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