C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
402/5
C08J 3/24 (2006.01) C08F 8/00 (2006.01) C08G 18/82 (2006.01) C08G 81/00 (2006.01)
Patent
CA 1277081
A B S T R A C T Re-polymerization of polymers, to up-grade their physical properties, is effected by intensively admixing the polymer with an additive which is an organo-derivative of titanium or zirconium, corresponding to the general formula: Image where M is titanium or zirconium, R, R1 and R2 are each a monovalent alkyl, alkanyl, alkynyl, aralkyl, aryl or alkaryl group having up to 20 carbon atoms or a halogen or ether substituted derivative thereof, and, in addition, R2 may also be an oxy derivative or an ether subsituted oxy derivative of said groups; A, B, and C are each a monovalent aroxy, thioaroxy, diester phosphate, diester pyrophosphate, oxyalkylamino, sulfonyl or carboxyl containing up to 30 carbon atoms; and a + b + c = 3. The repolymerized polymers have improved physical properties and higher heat distortion temperatures, experience less thermal degradation and show greater solvolysis resistance than the polymers prior to the repolymerization.
530953
Monte Salvatore Joseph
Sugerman Gerald
Kenrich Petrochemicals Inc.
Mccarthy Tetrault Llp
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