Branched polycarbonate from 2,4,6-tris(4'-hydroxyaryl)-amino-S-t

Details Branched polycarbonate from 2,4,6-tris(4'-hydroxyaryl)-amino-S-t Branched polycarbonate from 2,4,6-tris(4'-hydroxyaryl)-amino-S-t

1986-07-02

1989-08-15

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528127, 528171, 528196, 528204, C08G 6362

Patent

active

048576280

ABSTRACT:
Branched, soluble, high-molecular-weight, thermoplastic polycarbonates having improved properties, and, in particular, suitable to the fabrication by blow-moulding, characterized by the presence in their structure of units deriving from the use in the synthesis of tris(4'-hydroxyaryl)-amino-S-triazines having the formula: ##STR1## wherein R.sub.1 and R.sub.2, equal to, or different from each other, indicate hydrogen, linear or branched C.sub.1-5 alkyl, or halogen (in particular, chlorine and bromine).

REFERENCES:
patent: 3156690 (1964-11-01), Dexter et al.
patent: 3255191 (1966-06-01), Dexter et al.
patent: 3894991 (1975-07-01), Neurray et al.
patent: 4297492 (1981-10-01), Rasberger et al.

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