Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1991-06-20
1993-06-22
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524128, 524153, 524291, 524466, 524494, 525165, C08K 552, C08K 510, C08K 502, C08L 6702
Patent
active
052217051
ABSTRACT:
A flame-retardant thermotropic polyester composition comprising 100 parts by weight of thermotropic polyester (A) and 0.5 to 60 parts by weight of poly(bromostyrene)(B) having the following structural unit produced from bromostyrene monomer, as the principal structural component thereof, and having a number average molecular weight of 1.times.10.sup.3 to 30.times.10.sup.4 ; ##STR1## has excellent flame retardancy, mechanical properties and heat resistance, and the shaped articles molded from the composition has also superior appearance.
REFERENCES:
patent: 4107231 (1978-08-01), Wurmb et al.
patent: 4713407 (1987-12-01), Bailey et al.
patent: 4906724 (1990-03-01), Yamanaka et al.
Page 293 of "Principles of Polymer Chemistry" by P. J. Flory 1971, Cornell Univ. Press Ltd.
Ichikawa Yasunori
Inoue Toshihide
Kitajima Norio
Okamoto Masaru
Michl Paul R.
Miller Austin R.
Toray Industries Inc.
Yoon Tae H.
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