Hot-melt adhesive, and wood composite structures produced therewith

a hot-melt adhesive is shown which contains 75 to 99 parts by weight of depolymerized scrap rubber. From 1 to 25 parts by weight of an additive are included. The additive can include an elastomer, a resin, or a filler, or any combination thereof. The depolymerized scrap rubber is produced by heating solid scrap rubber in contact with a hydrocarbon liquid at 400.degree. to 800.degree. F. for 0.1 to 50 hours.In use, the adhesive is heated and combined with two or more wood elements. When the combination cools, a composite wood structure is obtained.

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Description
Patent History
Patent number: T958004
Type: Grant
Filed: Aug 26, 1976
Date of Patent: May 3, 1977
Assignee: The Firestone Tire & Rubber Company (Akron, OH)
Inventors: Grant Crane (Akron, OH), Edward Leo Kay (Akron, OH)
Application Number: 5/717,842
Classifications
Current U.S. Class: 260/23; 152/357A; 260/3; 260/328A; 260/336AQ; 260/719; 260/729; 260/732; 260/733; 260/887
International Classification: C08J 1100; C08C 1908;