Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1981-02-26
1982-11-23
Hoke, V. P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524178, 524180, 524182, 524289, 524302, 524305, 524330, 524381, 524392, C08K 558, C08K 557
Patent
active
043606199
ABSTRACT:
This invention relates to stabilizer compositions for polymers comprising (1) an organotin compound, or mixture of organotin compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, (3) a halogen-containing tin compound or mixture of halogen-containing tin compounds, said stabilizers having a total halogen content of about 0.1% to about 10% by weight based on the weight of the stabilizer composition. This invention also relates to polymer compositions containing said stabilizers, to a process for stabilizing polymer by adding thereto said stabilizers, and to articles of manufacture, e.g. pipe, comprising a polymer and said stabilizers.
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Kugele Thomas G.
Mesch Keith A.
Wursthorn Karl R.
Carstab Corporation
Hoke V. P.
Sheridan Richard J.
White Gerald K.
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