C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/320
C08G 75/23 (2006.01) C08G 65/40 (2006.01)
Patent
CA 1200950
AROMATIC AMORPHOUS THERMOPLASTIC POLYMERS ABSTRACT OF THE DISCLOSURE Described herein are amorphous thermoplastic polymers containing units of the formula: (I) Image , and (II) Image wherein R is independently hydrogen, C1 to C6 alkyl, or C4 to C8 cycloalkyl, a is an integer of 0 to 4 and n is independently an integer of 1 to 3. The units are attached to each other by an -O- bond. These poly- mers have an excellent combination of mechanical proper- ties. They display high notched izod impact values, high heat distortion temperatures and excellent environ- mental stress crack resistance. S P E C I F I C A T I O N
383286
Bp Corporation North America Inc.
Hopley William G.
Union Carbide Corporation
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