Document Type and Number:
Japanese Patent JPH023807
Kind Code:
B2
Abstract:
PCT No. PCT/JP82/00142 Sec. 371 Date Dec. 10, 1982 Sec. 102(e) Date Dec. 10, 1982 PCT Filed Apr. 28, 1982 PCT Pub. No. WO82/03867 PCT Pub. Date Nov. 11, 1982.Aromatic polyesters are obtained by copolycondensing isophthalic acid and terephthalic acid or derivatives thereof with bis(hydroxyphenyl) sulfone and 2,2-bis(4'-hydroxyphenyl)propane. These aromatic polyesters have excellent molding workability. From these polyesters, colorless, transparent moldings can be obtained by compression, extrusion or injection molding methods. The products thus obtained have excellent mechanical and electrical properties and improved heat resistance.
Inventors:
FUJIKAKE SHIRO
KAWAMATA MOTOO
TSUBOI HIKOTADA
KAWAMATA MOTOO
TSUBOI HIKOTADA
Application Number:
JP6425581A
Publication Date:
January 25, 1990
Filing Date:
April 30, 1981
Export Citation:
Assignee:
MITSUI TOATSU CHEMICALS
International Classes:
C08G63/00; C08G63/19; C08G63/193; C08G63/68; C08G63/688
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