Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1

Details Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1 Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1

1997-12-23

1999-10-05

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528198, C08G 6400

Patent

active

059626224

ABSTRACT:
The invention relates to a method for preparing a polycarbonate, by mixing a compound having the structure I: ##STR1## and a basic catalyst, and heating the mixture to produce the polycarbonate. The invention also relates to poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate) with an inherent viscosity of at least 0.7 dL/g. The invention also relates to an article made from the polycarbonate and a blend containing poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate).

REFERENCES:
patent: T858012 (1969-01-01), Caldwell et al.
patent: T873016 (1970-04-01), Gilkey et al.
patent: T875010 (1970-06-01), Coover et al.
patent: 2210817 (1940-08-01), Peterson
patent: 2787632 (1957-04-01), Stevens
patent: 2789968 (1957-04-01), Reynolds et al.
patent: 2789972 (1957-04-01), Reynolds et al.
patent: 3022272 (1962-02-01), Schnell et al.
patent: 3030335 (1962-04-01), Goldberg
patent: 3313777 (1967-04-01), Elam et al.
patent: 3317466 (1967-05-01), Caldwell et al.
patent: 3335111 (1967-08-01), Pray et al.
patent: 3772405 (1973-11-01), Hamb
patent: 4182726 (1980-01-01), Illuminati et al.
patent: 4263364 (1981-04-01), Seymour et al.
patent: 4350805 (1982-09-01), Jackson, Jr. et al.
patent: 4585854 (1986-04-01), Tung et al.
patent: 5171830 (1992-12-01), Grey
JP Abstract 02/180954; published Jul. 13, 1990; (Kuraray Co., Ltd.).
JP Abstract 01/004617; published Jan. 9, 1989; (Asahi Chemical Ind. Co., Ltd.).
Haggin, "Catalytic Cosynthesis Method Developed," Chemical and Engineering News, pp. 25-26, May 4, 1992.
Gawlak et al., "Polycarbonates from the 2,2,4,4,-Tetramethylcyclobutane-1,3-Diols," Chemistry and Industry, pp. 1148-1149, Jun. 23, 1962.
Schnell "Chemistry and Physics of Polycarbonates, Polymer Reviews," vol. 9, Interscience Publishers (Germany), pp. 9-24, 1964.

Affiliated with

Also associated with

Rating

Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1 does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1172829