Soft touch polyolefin compositions.U.S. patent: 6,949,605 Issued: September 27, 2005 Inventors: Manivakkam J. Shankernarayanan and Christopher M. Dickerson Assigned: Equistar Chemicals, L.P. Key statement: The soft touch thermoplastic olefin ThermoPlastic Olefin (TPO) is a trade name that refers to polymer/filler blends usually consisting of some fraction of PP (polypropylene), PE (polyethylene), BCPP (block copolymer polypropylene), rubber, and a reinforcing filler. composition comprises a polypropylene-ethylene copolymer copolymer: see polymer. and an ethylene-propylene thermoplastic elastomer Thermoplastic elastomers (TPE), sometimes referred to as thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) which consist of materials with both thermoplastic and elastomeric properties. . |
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