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Linear polymers with p-phenylene groups and other ring structures

4 Linear Polymers with p-Phenylene Groups and Other Ring Structures [Pg.847]

The chemical name for such materials is poly(bisbenzimid-azobenzophenan-throlines) but they are better known as BBB materials. Such polymers have a Tg in excess of 450°C and show only a low weight loss after aging in air for several hundred hours at 370°C. Measurements using thermal gravimetric analysis indicate a good stability to over 600°C. The main interest in these materials is in the field of heat-resistant films and fibres. [Pg.848]

Linear polymers with p-phenylene groups and other ring structures... [Pg.925]

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Group structure

Linear structure

Other Groups

Other Polymers

Other structures

P group

P ring

P structures

P-Phenylene group

P-phenylene

PS, linear

Phenylene groups

Polymer group

Polymer structure rings

Polymers linearity

Ring polymer

Ring structures