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US 5,852,091 AGranted
Solid alcohol-filled PVC pipe cement
AssigneeBASF SE
InventorsMark W. Waldrop, William C. Walsh
Life of this patent
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Abstract
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.degree. 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.
Claims19
A cement composition, consisting essentially of:
- (a) at least about 10% by weight of a poly(vinyl chloride) resin;
- (b) at least about 2% by weight of a solid alcohol having up to 20 carbon atoms;
- (c) at least about 10% by weight of an organic solvent or a mixture of organic solvents;
- and (d) optionally, a member selected from the group consisting of fillers, pigments, dyes, colorants, viscosity-modifying agents, stabilizers, plasticizers, and mixtures thereof.
1 more element
Dependencies are inferred from the claim text.