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Reviewer:  
Guojing
8/1/2010 11:40:18 PM
Silicone products are exported to your

Reviewer:  
Yaxuan
8/1/2010 11:39:43 PM
We can consider the issue of cooperation under the

Reviewer:  
Yilin
8/1/2010 11:39:11 PM
I believe that you, like your product quality

Reviewer:  
Jinsha
8/1/2010 11:38:12 PM
How often do you update a product

Reviewer:  
Wangfei
8/1/2010 11:37:17 PM
Your site no membership

Reviewer:  
Peini
8/1/2010 11:35:57 PM
Direct contact with the silica gel will not risk

poly-hydroxy-end silicone

2010-07-28 21:58:58     From:

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N-heterocyclic silanes, such as bis (3-hydroxy-alkyl alkenyl silane-based oxide) pyridine, metal, plastic bonding tackifier. In the presence of Pt catalyst and the filler, which can be used for curing vinyl polysiloxane and poly-hydroxy-end silicone rubber mixture. Vulcanization reaction duration 7d. Aluminum bonding shear strength of 3.8MPa.
Co-vulcanization of rubber
    Reaction with various functional groups can be rubber (performance difference) in a special sound will be co-vulcanization curing agents, not only for low-temperature vulcanized silicone rubber is feasible, but also for other high-temperature vulcanized rubber. Such as chlorinated natural rubber vulcanized with a total of hydroxy nitrile rubber, oil can be prepared, wear rubber. Hydroxy nitrile rubber and chlorinated butyl rubber at 180 ℃ without curing agent can be co-vulcanization. Hydroxy nitrile rubber and chlorosulfonated polyethylene rubber, including carbon black filled rubber can also be co-vulcanization. PVC and hydrogenated nitrile rubber and glue at 180-200 ℃ under a co-vulcanization, generate cross-linked amine and ether bond. Epoxidized natural rubber and chlorosulfonated polyethylene rubber filled with carbon black, in the absence of curing agent may co-vulcanization. Vulcanizate strength and high tear strength and abrasion resistance. In the case of non-cross-linking agent, epoxidized natural rubber and chloroprene rubber and carboxylated nitrile rubber and glue can be co-vulcanization. PVC and carboxylated nitrile rubber vulcanization at 180 ℃ were, vulcanized rubber oil, abrasion resistance are high.
     Therefore, the choice of matching with active functional groups of rubber, crosslinking agent in the absence of exceptional circumstances of sulfide, sulfide is produced over the past decade to address ecological problems and to improve the properties of vulcanized one of the main directions.
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