Crosslinked polycarbonate and polylactic acid composition contai

Details Crosslinked polycarbonate and polylactic acid composition contai Crosslinked polycarbonate and polylactic acid composition contai

1998-07-31

1999-09-14

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 6400

Patent

active

059524502

ABSTRACT:
A crosslinked polycarbonate is obtained by polycondensation of diol (A), trivalent or more polyhydric alcohol (B) whose arbitrary two hydroxy groups are not in the positional relationship of 1,2-disubstitution or 1,3-disubstitution, and carbonyl component (C) such as carbonic acid diesters. In the polycondensation step, no side reaction does not occur.
This crosslinked polycarbonate is used as a modifier for polylactic acids. The brittleness of the polylactic acid is improved while maintaining mechanical strength, thermostability, and transparency.

REFERENCES:
patent: 3897392 (1975-07-01), Haupt et al.
patent: 5143997 (1992-09-01), Endo et al.
patent: 5527879 (1996-06-01), Nakae et al.
patent: 5744653 (1998-04-01), Ito et al.
Abstract of Japanese Patent Publ. No. 07109413A; dated Apr. 25, 1995.

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