C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 133/12 (2006.01) B29C 65/52 (2006.01) C08J 5/12 (2006.01) C09J 125/12 (2006.01) C09J 151/04 (2006.01)
Patent
CA 2246047
Disclosed is a PVC pipe cement composition that comprises a polymeric material of a methyl methacrylate homopolymer or copolymer, a styrene-acrylonitrile polymer, and a rubber grafted with at least a methacrylic acid ester of a C1 to C8 alkanol; and at least about 10% by weight solvent. The pipe cements of the invention form strong welds or bonds and have lower volatile organic content as compared to currently used materials
Divulgation d'une composition de ciment pour tuyau en PVC qui comprend une matière polymère constituée d'un homopolymère ou d'un copolymère de méthacrylate de méthyle, d'un polymère de styrène-acrylonitrile et d'un caoutchouc greffé avec au moins un ester méthacrylique d'un alcanol en C1-C8; et d'au moins environ 10 %, en poids, de solvant. Les ciments pour tuyaux dévoilés forment des soudures ou des adhérences solides et contiennent moins de matières organiques volatiles que les matières actuellement utilisées.
Basf Corporation
Robic
LandOfFree
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