Composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528198, 528199, 528203, C08G 6362

Patent

active

045567042

ABSTRACT:
A composition comprising an end-capped aromatic carbonate polymer wherein the end-cap is of the structure ##STR1## wherein R is ##STR2## wherein R.sub.1 and R.sub.2 are the same or different and are alkyl of one to six carbon atoms, inclusive; cycloalkyl of four to seven carbon atoms, inclusive; phenyl; one to three alkyl substituted phenyl each alkyl having one to three carbon atoms, inclusive; and R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a ring of four to six carbon atoms; and wherein R.sub.3 is alkyl of one to ten carbon atoms, inclusive; or cycloalkyl of four to eight carbon atoms, inclusive.

REFERENCES:
patent: 3028365 (1962-04-01), Schnell et al.
patent: 3133045 (1964-05-01), Deanin et al.
patent: 3251806 (1966-05-01), Parker et al.
patent: 3275601 (1966-09-01), Schnell et al.
patent: 4412060 (1983-10-01), Rosenquist
patent: 4431793 (1984-02-01), Rosenquist
patent: 4446296 (1984-05-01), Rosenquist
patent: 4448953 (1984-05-01), Rosenquist et al.

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