Use of recovered polyvinyl butyral in the manufacture of flooring
AssigneeMonsanto Company
InventorAdolf A. Klaiber
Life of this patent
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Abstract
Floorings and flooring compositions containing a plasticized, preferably recovered, PVB resin. In a preferred aspect, the floorings and the flooring compositions contain a major amount of a second compatible resin such as non-plasticized PVB, and also a major amount of a composition insert filler. The floorings can contain substantially reduced levels of chlorine.
Claims8
A flooring composition comprising plasticized polyvinyl butyral resin recovered from laminated safety glass containing minute glass particles at a level greater than 0% up to 10 weight% based on total resin content of the flooring composition.
A flooring composition containing a resin component and optional additives such as plasticizers and fillers wherein the resin component is a mixture of (i) from about 95% to 25% by weight of plasticized polyvinyl butyral recovered from laminated safety glass containing expressed by reference to said polyvinyl butyral, from about 5% to 50% by weight of a plasticizer and, expressed by reference to the total resin content of the flooring composition, minute glass particles at a level greater than 0% up to 10% by weight;
- and (ii) from about 5% to 75% by weight of a compatible resin.
A cover for flooring comprising plasticized polyvinyl butyral resin recovered from laminated safety glass containing minute glass particles at a level greater than 0% up to 10 weight % based on total resin content of the cover.
The cover according to claim y including non-plasticized polyvinyl butyral resin.
Dependencies are inferred from the claim text.