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Crosslinking agent - JN852

This product specification of crosslinking agent and sensitizing agent products, technical requirements, packaging, transportation and storage, product use, etc.

This applies to product manual by 3 get together cyanogen chloride, combined into reaction of allyl alcohol crosslinking agent TAC. Its physical and chemical properties are: freezing point of 26 ℃, the proportion is 1.113, the refractive index of N26D3:1.504, when the viscosity of 30 ℃ for 12.55 x 10-3 pa. S with acetone, benzene, chloroform, 4-dioxane, ethyl acetate, ethanol miscibility. Solubility in water of 0.6 g / 100 g water, stable in alkaline, with acid hydrolysis, and molybdenum, nickel and manganese and mercury can accelerate the polymerization. Used as a crosslinking agent of all kinds of rubber and plastic and sensitizing agent.

Chemical name: three allyl ation, urea acid ester molecular formula: C12H12N3O3 relative molecular weight: 249。27

Formula:

1, chemical performance

TAC stable room temperature properties, can be stored at room temperature for a long time, the function of the TAC because three allyl, has the general connectivity of fat olefins, can undertake a variety of addition reaction, homopolymerization reaction, etc。 Under oxide trigger, the TAC than other allyl put should be more prone to aggregate, generate homopolymer of pale yellow transparent qualitative hard。 TAC can also be used with various ethylene monomers copolymerization reaction, heated to above 140 ℃ in air can be gathered to form a block homopolymer。

2, quality indicators

(1) of this product is a light color appearance to yellowish liquid or crystals: content of 96% or higher acid value of 1.0 or less KOH/g

(2) the product marks, packaging and storage

3.1 mark

Clearly indicate the product name on the label, turnning, production date, batch number, production producer name and address.

3.2 store

Should be stored in dry warehouse and should not be placed near a heating device, more should not be close to the fire。

3.3 quality assurance

In compliance with this international standard under the condition of transportation, storage, the full, without the hermetical product packaging, storage life for five years.

4, the main purpose

4。1 the crosslinking and modification of polyolefine

Polyethylene, polypropylene, polyvinyl chloride (PVC), crosslinking and modification of polystyrene, can improve the heat resistance, mechanical strength, corrosion resistance, solvent resistance, etc.

4.2 the special rubber vulcanization

Binary and epdm rubber, fluorine, silicon rubber, polyurethane and other special rubber with TAC booster vulcanization vulcanizing agent, the general dosage is 0.5 to 3% can significantly shorten curing time, improve the mechanical properties, improving wear resistance, weather resistance and solvent resistance.

4。3 unsaturated polyester FRP crosslinking agent

Hot-pressing unsaturated polyester glass fiber reinforced plastic with a small amount of TAC as crosslinking agent can significantly improve the heat resistance and mechanical strength, heat resistance can be improved to more than 200 ℃.

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