| 摘要 |
Sinterable thermoplastic molding material based on aliphatic polyurethane also contains styrene-acrylonitrile or acrylonitrile-styrene-butadiene copolymers, acrylonitrile-styrene-acrylate molding materials and/or copolymers of ethylene and/o propylene with (meth)acrylic acid or sodium or zinc salts or alkyl esters thereof, plus UV stabilizers and antioxidants. Sinterable thermoplastic molding materials (TMM) containing (a) a thermoplastic polyurethane (TPU) based on an aliphatic di-isocyanate and (b) styrene-acrylonitrile (SAN) copolymers, acrylonitrile-butadiene-styrene (ABS) polymers, acrylonitrile-styrene-acrylate rubber (ASA) molding materials, copolymers of ethylene and/or propylene and (meth)acrylic acid or their sodium or zinc salts, and/or copolymers of ethylene and/or propylene and (meth)acrylate esters, preferably methyl, ethyl o butyl esters, plus UV stabilizers and antioxidants. An Independent claim is also included for molded products obtained by the powder-slush method from powdered molding materia as above. |
