C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/41, 400/4915,
C08L 27/06 (2006.01) C08K 5/098 (2006.01) C08K 9/04 (2006.01) E04C 2/20 (2006.01)
Patent
CA 2023155
The invention relates to an unplasticized moulding compound based on polyvinyl chloride including vinyl chloride co- and/or terpolymer and/or blends or alloys thereof with a vinyl chloride or PVC content of more than 70% w/w, preferably more than 85% w/w, and 15% to 0% w/w of at least one impact-modifying polymer, where in addition to any pigments, dyes, lubricants, blowing agents, flame retardants, fillers, reinforcing fibres and other processing aids and additives, the unplasticized moulding compound contains or is comprised of: a. 0.01 to 3 parts by weight of at least one calcium carboxylate; b. 0.01 to 3 parts by weight of at least one zinc carboxylate; c. 0.01 to 3 parts by weight of at least one organic co- stabilizer, selected from the group of at least one B- diketone, organic phosphate and/or dihydropyridine; and d. 0.01 to 5 parts by weight of at least one surface-modifying alkaline earth oxide, one alkaline earth hydroxide and/or one partially hydrated alkaline earth oxide per 100 parts by weight of said PVC mixture or said vinyl chloride copolymer. The invention further relates to the use of said moulding compound and the process for its production.
Baumgartel Hans-Georg
Van Cleemputte Willy
Walz Peter
Deutsche Solvay-Werke Gmbh
Robic
Solvay Kunststoffe Gmbh
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