Hydrolysis stabilizer for ester group-containing resin and proce

Details Hydrolysis stabilizer for ester group-containing resin and proce Hydrolysis stabilizer for ester group-containing resin and proce

1997-04-09

1999-03-30

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

564252, C08K 529, C07C24900

Patent

active

058890963

ABSTRACT:
A hydrolysis stabilizer for an ester group-containing resin, which comprises as a main component a carbodiimide having at least two carbodiimide groups in the molecule and resulting from 4,4'-dicyclohexylmethane diisocyanate, isophorone diisocyanate or a mixture of 4,4'-dicyclohexylmethane diisocyanate and isophorone diisocyanate, or from a mixture of tetramethylxylylene diisocyanate with 4,4'-dicyclohexylmethane diisocyanate, isophorone diisocyanate or a mixture of 4,4'-dicyclohexylmethane diisocyanate and isophorone diisocyanate; and a process for the hydrolysis stabilization of an ester group-containing resin, which comprises mixing a polyester type resin with the above hydrolysis stabilizer.

REFERENCES:
patent: 4419294 (1983-12-01), Feldman et al.
patent: 4487964 (1984-12-01), Watson, Jr. et al.
patent: 4820863 (1989-04-01), Taylor
patent: 5360933 (1994-11-01), Imashiro et al.
patent: 5621031 (1997-04-01), Leimann et al.

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