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Akrochem Antioxidant DQ
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2,2,4-Trimethyl-1,2-dihydroquinoline, polymerized
26780-96-1
Antioxidant DQ is polymerized 2,2,4-trimethyl-1,2-dihydroquinoline.
It is particularly useful in rubber goods requiring resistance to high temperatures.
It can also be used as a copper and manganese inhibitor.
Antioxidant DQ is extremely effective in protecting rubber products based on natural rubber, polyisoprene, SBR, EPR/EPDM, NBR and polybutadiene against oxygen and heat simultaneously.
It is less suitable for polychloroprene but has a moderately strong antiozonant effect.
In natural rubber, it has some anti-flexcracking properties.
Antioxidant DQ is non-blooming but does cause discoloration and staining.
Increasing amounts in polymers do slightly decrease viscosity.
Increasing amounts also improve scorch resistance but increase cure time.
Appearance Yellow to amber color (Powder and Pellet)
Specific Gravity 1.095
Softening point 85ЎЖC - 95ЎЖC (Powder and Pellets)
Odor Very weak, but characteristic
Solubility Acetone, ethyl acetate, benzene, alcohol, methylene chloride and carbon tetrachloride.
Insoluble in water.
Storage Stability Excellent
Dispersion Excellent, easily incorporated.
Pellets suggested for banbury mixing only.
Use powder for mill and solvent systems.
Industrial field additive, rubber & additives
Akrochem Chemical Co
Phone 330-535-2100; 800-321-2260
Fax 330-535-8947
Homepage www.akrochem.com
E-mail kristenspurlock@akrochem.com
Address 255 Fountain St., Akron, OH 44304-1991
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