Rubber Antioxidant MB

Antioxidant MB 583-39-1 MB

Description:

Antioxidant  Chemical  Name	2-Mercapto  benzimidazole
Molecular Formula	C7H6N2S
Molecular Structure
Molecular Weight	150.16
Gravity	1.40-1.44
CAS NO.	583-39-1
Package	25kg/bag
Storage Life	24 months

Specification:

Analysis on the selection of anti-aging agents:

1. Colorability of anti-aging agents (pollution)

Amine anti - aging agents have pigmentation, which can stain rubber.They can also migrate to materials in contact with rubber, leading to contamination, which requires special attention.When exposed to heat and sunlight, it changes into a benzoquinone structure and becomes discolored.The pigmentation (contamination) of amine anti - aging agents is different.

2. Heating and reducing the amount of anti-aging agent

Given the stability of an anti-aging agent, it is important to understand its own heating reduction (volatility).In similar compounds, the larger the molecular weight, the smaller the heating reduction, CD(carbonized diimine) and white aging inhibitor is difficult to volatilize even at high temperature.Therefore, it has good stability.

3. Residues of anti-aging agent in rubber

The amount of anti - aging agent added to rubber is gradually reduced by evaporation and oxidation.6C is oxidized into benzoquinone structure.It has recently been reported that the benzoquinone structure is restored to its original structure by the reaction of heat and rubber.

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• Our Heterocyclic products have been used in many groundbreaking research projects.
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