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
1981-05-11
1982-10-26
Seccuro, Carman J.
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...
523221, 525302, 525 80, C08L 2706, C08L 5100
Patent
active
043562833
ABSTRACT:
A process is described for the preparation of mixtures for processing as plastisols or organosols, wherein at least one known plasticizer, at least one first vinyl chloride copolymer and at least one vinyl chloride homopolymer or a second vinyl chloride copolymer are mixed together, if appropriate with the addition of further known substances. The first copolymer is a specific vinyl chloride graft copolymer, of which 5 to 70% by weight are employed, relative to the total quantity of polymers present in the mixture. It contains 99.5 to 88% by weight of polymerized units of vinyl chloride, 0.1 to 11.9% by weight of polymerized units of vinyl acetate and 0.1 to 2.2% by weight of polymerized units of ethylene. The remaining polymer(s) employed is/are prepared in accordance with customary processes.
Mixtures prepared in this manner produce plastisols or organosols which have a low viscosity and good stability on storage and which also enable uniform coatings to be obtained by applying a thin layer.
REFERENCES:
patent: 3358054 (1967-12-01), Hardt et al.
patent: 3853970 (1974-12-01), Dietrich
patent: 4006201 (1977-02-01), Bauer et al.
Bahn nee Leugering, heiress by Rita
Leugering nee Wegener, heiress by Ursula M.
Leugering, deceased Hans-Joachim
Leugering, heir by Gunter
Leugering, heir by Lothar
Hoechst Aktiengesellschaft
Seccuro Carman J.
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