Rubber Antioxidant 6PPD

SUNNYJOINT Antioxidant 6PPD(4020)

Description:

Antioxidant    Chemical  Name	N-(1,3-dimethylbutyl)-N’-phenyl-p-phenylene diamine
Molecular Formula	C18H24N2
Molecular Structure
Molecular Weight	268.41
Gravity	0.986-1.00
CAS NO.	793-24-8
Package	25kg/bag
Storage Life	12 months

Specification:

Antiager 4020 antiager 4020, chemical name: N - (1, 3 - dimethyl butyl) - N - phenyl para-phenylene diamine, the goods is one of the largest rubber stabilizer dosage of current global tyre varieties, resistance to ozone aging crack and flexible crack resistance performance is good, the aging of the hot oxygen, weather also have better protective effect, and have a passive effect on base metal, used natural rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber and neoprene, and paraffin (especially with a mixture of branched chain wax and microcrystalline wax) and use, can enhance the protective effect of static.Widely used in dynamic and static stress and cycle deformation of rubber products, tire tread, tire side, inner tube and conveyor belt and other protection system of the best choice of varieties, compared with the anti-aging agent NA, water pumping feed is good, can achieve long-term protection effect.The synthesis of antioxidant 4020 is based on the catalytic hydrogenation reaction of 4-aminodiphenylamine and methyl isobutyl ketone after condensation under the pressure of 5 ~ 16MPa. The reaction products are obtained by refining, separating and granulating.Copper is generally used as the catalyst for the catalytic hydrogenation of domestic anti-aging agent 4020, while most foreign precious metals such as Pt are used as the catalyst. Therefore, the quality and yield of foreign products are better than domestic products. At present, many domestic manufacturers are also accelerating the application research of Pt catalyst, but it has not yet been industrialized.In addition, the key to the production and development of anti-aging agent 4020 is the production of 4-aminodiphenylamine and methyl isobutyl ketone as raw materials. The synthesis of 4-aminodiphenylamine should adopt the clean process nitrobenzene method as soon as possible to replace the formylaniline method using p-nitrochlorobenzene as raw materials, which can greatly reduce the manufacturing cost of 4-aminodiphenylamine.At present, methyl isobutyl ketone is not produced in China, and the demand is all dependent on imports. In 2004, domestic imports reached 36900t. In the future, China can consider introducing foreign advanced acetone one-step hydrogenation method to build a methyl isobutyl ketone production unit with an annual output of 30,000 t.

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• Quality control procedures are in place to ensure the highest standards of product consistency.
• Our company's purpose is to survive with quality, seek development with reputation, constantly explore and innovate, and serve customers with high quality products and reasonable prices.

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