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A polymer coated sulphur cured rubber composition

A rubber composition, polymer technology, applied in amide/imide polymer adhesives, rubber layered products, coatings, etc., can solve problems such as difficulty in bonding sulfur-cured rubber

Active Publication Date: 2020-12-18
沙布利诺有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Bonding to sulfur cured rubber has traditionally proven difficult without the use of resorcinol formaldehyde latex and / or isocyanates

Method used

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  • A polymer coated sulphur cured rubber composition
  • A polymer coated sulphur cured rubber composition
  • A polymer coated sulphur cured rubber composition

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Embodiment Construction

[0238] According to one embodiment of the present invention, there is provided a method of forming a sulfur-cured rubber composition coated with a polymer, comprising:

[0239] i. Provide a sulfur curable rubber composition comprising a compound containing at least one thiol group, for example selected from the group consisting of PETMP, EDDT, TMPEIC and 2,4,6-tris

[0240] Mercaptotriazine;

[0241] ii. combining said sulfur curable rubber composition with a compound comprising formula A, (preferably formula I) or II

[0242] contact with the second polymer precursor of the compound;

[0243] iii. making the compound containing at least one thiol group and the second polymer precursor

[0244] react to form the polymer layer; and

[0245] iv. curing the sulfur curable rubber composition to form a polymer coated sulfur curable rubber composition.

[0246] Typically, the ratio of diallylamide groups to thiol groups is from 1:5 to 20, typically from 1:7 to 17, suitably from ...

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Abstract

There is disclosed a method of forming a polymer coated sulphur cured rubber composition wherein the bond strength between the polymer coating and the sulphur cured rubber is surprisingly great. The method includes providing a sulphur curable rubber composition comprising a compound including at least one thiol group, and / or contacting a sulphur curable rubber composition with a compound includingat least one thiol group, and contacting the sulphur curable composition with a second polymeric precursor including a diallylamide group. The compound including at least one thiol group and the second polymeric precursors are reacted together to form a polymeric layer; and the sulphur curable rubber composition is cured to form a polymer coated sulphur cured rubber composition.

Description

technical field [0001] The present invention relates to a method of forming a sulfur-cured rubber composition coated with a polymer. Also provided is a method of bonding a sulfur-cured rubber to a substrate, and the resulting composite material includes the substrate, the sulfur-cured rubber, and a polymer layer disposed therebetween. Background technique [0002] Textiles, such as nylon, are often bonded (or bonded) to rubber by using a resorcinol formaldehyde latex (RFL) adhesive. RFL adhesives are used in the manufacture of tires, diaphragms, power transmission belts, hoses and conveyor belts. In 1987, the U.S. Environmental Protection Agency classified formaldehyde as a probable human carcinogen under conditions of unusually high or prolonged exposure. In 2013, the EUREACH Committee adopted the decision to reclassify formaldehyde as a Group 1B carcinogen. Therefore, there is clearly a need for safe alternatives to bonding textiles to rubber. [0003] Bonding to sulfu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C08F226/04C09J133/24C08L9/06
CPCB32B25/08C08F226/04C09J133/24B32B27/34B32B27/302C08C19/20C08C19/22C08J5/12C08J7/043C08J3/02C08J5/121C08J7/042C08K3/06C08K5/37C08L9/06C08L2205/16
Inventor 菲利普·罗伯茨亚当·唐利保罗·坎农
Owner 沙布利诺有限公司