天津antioxidant 2246

Chemical name: 2,2 '- methylene bis (4-methyl-6-tert-butylphenol)

CAS: 119 47 1

Molecular formula: C23H32O2

Molecular weight: 340.51

Appearance (visual inspection): White powder

Initial melting point ℃: ≥ 122.0

Ash content%: ≤ 0.10

Heating reduction%: ≤ 0.30

Sieve residue (150 μ m) %: ≤ 0.50

Property: This product is a white powder with a relative density of 1.04. It is easily soluble in benzene, acetone, carbon tetrachloride, ethanol, and insoluble in water. Long term storage results in a slightly pink color, but it does not affect its effectiveness. Its solubility in rubber is higher than 2%.

Purpose: This product is a universal strong phenolic non polluting antioxidant, which is non polluting, non-toxic, and non coloring to the product. It has excellent protective effects on heat, oxygen, and cracking aging. This product exhibits strong protective properties against synthetic rubber, natural rubber, and rubber products, with a more prominent effect in latex products. The dosage is 0.25-1.5% in styrene-butadiene latex and polybutadiene latex, and it is currently the most suitable for use in light, bright, and white rubber products, and the dosage is only 30-50% of antioxidant 264. This product also has good applications in polyurethane adhesives.

Packaging composite paper bags, lined with thin plastic film bags, net weight of 20 kilograms.