C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 27/06 (2006.01) C08K 3/32 (2006.01) C08K 5/49 (2006.01) C08K 5/57 (2006.01) C08L 33/06 (2006.01)
Patent
CA 2053019
ABSTRACT Often common thermal stabilizers when used alone with commercial PVC resins are not sufficient for use in systems where thermal stability is required for extended periods of time, e.g., accumulator blow molding or hot runner (injection) molding. The incorporation of a metal salt of phosphoric acidinto a PVC formulation, or compound, having a primary stabilizer results in a substantial improvement in the thermal stability of the formulation during subsequent processing thereof. The PVC was polymerized at lower temperatures in the presence of a solvent. This provides polyvinyl chloride formulations which have increased thermal stability. 1900088
Balasko Michael M.
Forsyth Thomas H.
Skillicorn Douglas E.
Balasko Michael M.
Forsyth Thomas H.
Goodrich (b.,f.) Company (the)
Skillicorn Douglas E.
Swabey Ogilvy Renault
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