New Stabilizers and their use for the production of stabilized p

Details New Stabilizers and their use for the production of stabilized p New Stabilizers and their use for the production of stabilized p

1988-01-11

1990-01-30

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

544 35, 544 38, C08K 534

Patent

active

048974366

ABSTRACT:
Products prepared by reacting isopropenyl phenols or bisphenols of the bisphenol-A type with diphenyl amine, phenothiazin or derivatives thereof in the presence of acidic catalysts are used as stabilizers for polyamides and rubbery materials.

REFERENCES:
patent: 3909448 (1975-09-01), McGuigan et al.
patent: 4430452 (1984-02-01), Buysch et al.

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