Composition

Details Composition Composition

1986-10-20

1988-02-23

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562457, 546238, 548573, 540610, C07C10142

Patent

active

047271841

ABSTRACT:
A composition comprising an aromatic copolyester-carbonate having flexural modulus, flexural yield and secondary transition temperature improvement over a corresponding aromatic polycarbonate effective amount of ester units of the structure ##STR1## or mixtures of the above two structures 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, inclusive, or carbazole.

REFERENCES:
patent: 3224969 (1965-12-01), Hotten
patent: 4120895 (1978-10-01), Conrow et al.
Serchenkova et al., Chem. Abst; vol. 89, #44389a(1978).
Suvorov et al., Chem. Abst; vol. 83, #192740f(1975).

Affiliated with

Also associated with

Rating

Composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composition will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-603798