Antioxidants & Antidegradants Nocil
5 . EFFECT OF OXYGEN: • Only 1– 2 % of combined oxygen is enough to render the rubber product useless. • Polymer oxidation is a complex process involving many factors -processing
CAS Registration Number Type Cure Speed Form Comments Kemai MBT 2-mercapto benzothiazole 149-30-4 Primary Semi-Fast 1,2,3, Highly reactive at low temperature <142°C/284°F and is a non-nitrosamine alternative Kemai MBTS 2,2-Dithiobis (benzothiazole) 120-78-5 Primary Semi-Fast 1,2,3 Slower than MBT. MBTS is used in
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Member Groups Institute Of Infectious Disease
Three multi-investigator groups that operate principally in the TB/HIV space: The South African TB Vaccine Initiative (SATVI), which includes Mark Hatherill (Director), Tom Scriba (Deputy Director) and Elisa Nemes; The Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) which includes Robert Wilkinson (Director), Graeme Meintjes, Catherine Riou and Anna
Properties Density :1.31~1.34g/cm3,Soluble in benzene, acetone, chloroform, a little soluble in alcohol, insoluble in water.. Applications Suitable for natural and synthetic rubber and latex,
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1. A rubber composition comprising rubber selected from the group consisting of natural rubber, synthetic rubber, and a combination thereof; and an adhesion promoter comprising a solid carrier that contains (1) an adhesive resin in an amount of about 0.1% to about 15% by weight, based on the weight of rubber in the composition; and (2) an ester having formula I, II, III, IV or a
Rubber chemicals Acetoneanile TMQ antioxidant
Diphenylguanidine. Diphenylguanidine is a secondary vulcanization accelerator that activates thiazoles (MBT, MBTS), thiurams (TMTM, TMTD) or sulfenamide (CBTS) in NR (0.1-0.5phr), SBR (0.15 0.75phr) and NBR (0.1-0,5phr) applications. Due to discoloration it is generally used for dark or black color products (silica containing tires, mechanical goods, hard rubber products,
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