Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-05-05
1994-07-26
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524400, 556130, 556131, C08K 536
Patent
active
053327721
ABSTRACT:
The preparation of a zinc mercaptoacid ester by the reaction of zinc oxide with the mercaptoacid ester in a wax matrix provides an improved heat stabilizer for halogen-containing polymer compositions. The process obviates the necessity of isolating and transporting the normally very viscous zinc mercaptoacid esters. The zinc mercaptoacid ester/wax matrix is also an expedient medium for the preparation and utilization of calcium stearate as a lubricant in the heat stabilizer composition and the stabilized polymer composition containing it. A paraffin wax is the preferred matrix for the preparation and use of the heat stabilizer and lubricant.
REFERENCES:
patent: 2939898 (1960-06-01), Aron
patent: 2963434 (1960-12-01), Millikan et al.
patent: 3067166 (1962-12-01), Zaremsky
patent: 3647834 (1972-03-01), Martin
patent: 3803188 (1974-04-01), Scott et al.
patent: 4251451 (1981-02-01), Magee et al.
patent: 4269731 (1981-05-01), Mack
patent: 4279806 (1981-07-01), Muldrow
patent: 4287118 (1981-09-01), Muldrow
patent: 4303578 (1981-12-01), Michaelis
patent: 4396552 (1983-08-01), Knobloch et al.
patent: 4404408 (1983-09-01), Wirth et al.
patent: 4515916 (1985-05-01), Molt
patent: 4755549 (1988-07-01), Kemper et al.
Beekman George F.
Mesch Keith A.
Price Lionel R.
Didrick Robert M.
Hoke Veronica P.
Morton International Inc.
White Gerald K.
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