Patent ID: 6287405
Filing Date: 2001-09-11
Classification: B29C,B29K

Abstract:
A method of repairing a surface blemish consisting of a void in a surface of a polyolefin object comprising the steps of:(a) inserting a repair composition into said void wherein said repair composition consists essentially of:(i) 30 to 60 weight percent of a thermoplastic component consisting of particulate polyolefin powder selected from the group consisting of polyethylene, polypropylene, and ethylene-vinyl acetate (EVA);(ii) 15 to 45 weight percent of a binder resin component selected from the group consisting of aliphatic and aromatic hydrocarbon, polyterpene, rosin and rosin-ester, chlorinated polyolefin resins, petroleum, and synthetic and oxidized waxes; and(iii) 5 to 35 weight percent of a solvent component; and(b) heating the repair composition in said void and a surrounding portion of said polyolefin object by exposing the repair composition and the surrounding portion of said polyolefin object to atmospheric heating at a temperature sufficient to fuse said repair composition to said polyolefin object.