Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
260937, 524117, C08K 534, C08K 552
3,6-di-t-butyl-2-naphthyl catechol phosphite is readily prepared by the reaction of catechol phosphorodichloridite and 3,6-di-t-butylnathphol in the presence of a trialkyl amine in a solvent. The 3,6-di-t-butyl-2-naphthyl catechol phosphite is an excellent stabilizer for polymers, including polypropylene, and forms synergistic combinations with hydroxyphenylalkyleneyl isocyanurates that provide excellent resistance to polymer breakdown during processing.
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Levin et al., Chem. Abs., vol. 61, 1964, 9634e.
Battle Carl W.
Csontos Alan A.
Kight III John
Powell, Jr. J. Hughes
The B. F. Goodrich Company
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