C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 127/06 (2006.01) C08K 5/053 (2006.01)
Patent
CA 2215891
Disclosed is a solvent-based cement for bonding joints of polyvinyl chloride pipe and fittings. The cement of the composition contains at least about 10% by weight of a polyvinyl chloride resin, at least about 2% by weight of a solid alcohol having a melting point above at least about 20°C, and at least about 10% by weight of a solvent or a mixture of solvents. There is also provided a method of joining two pieces of thermoplastic material, such a poly(vinyl chloride) piping and fittings, and the product piece having one or more joints formed thereby.
Ciment à base de solvant pour joints de raccords et de tuyaux en poly(chlorure de vinyle). Le ciment de la composition renferme au moins 10 % environ en poids d'une résine de poly(chlorure de vinyle), au moins 2 % environ en poids d'un alcool solide possédant une température de fusion d'au moins 20 degrés C environ, et au moins 10 % environ en poids d'un solvant ou d'un mélange de solvants. L'invention présente aussi une méthode pour souder deux pièces à base de matière thermoplastique, comme un tuyau et des raccords de poly(chlorure de vinyle). Produit ainsi obtenu à un ou plusieurs joints.
Waldrop Mark W.
Walsh William C.
Basf Corporation
Robic
LandOfFree
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