Aliphatic, sinterable, thermoplastic polyurethane molding compositions

A thermoplastic molding composition in the form of sinterable powder consisting of:

• (i) a resinous blend containing (a) 50 to 90 parts by weight of thermoplastic polyurethane the diisocyanate reactant used in its preparation is aliphatic, and (b) at least one member selected from a first group consisting of
• 0 to 25 parts by weight of acrylonitrile-styrene-polyacrylate rubber, and
• 0 to 25 parts by weight of at least one member selected from a second group consisting of copolymer of ethylene and acrylic acid,
• copolymer of ethylene and methacrylic acid,
• copolymer of ethylene and sodium salt of acrylic acid,
• copolymer of ethylene and sodium salt of methacrylic acid,
• copolymer of ethylene and zinc salt of acrylic acid,
• copolymer of ethylene and zinc salt of methacrylic acid,
• copolymer of ethylene and ester of acrylic acid,
• copolymer of ethylene and ester of methacrylic acid,
• copolymer of propylene and acrylic acid,
• copolymer of propylene and methacrylic acid,
• copolymer of propylene and sodium salt of acrylic acid,
• copolymer of propylene and sodium salt of methacrylic acid,
• copolymer of propylene and zinc salt of acrylic acid,
• copolymer of propylene and zinc salt of methacrylic acid,
• copolymer of propylene and ester of acrylic acid,
• copolymer of propylene and ester of methacrylic acid,
• copolymer of ethylene, propylene and acrylic acid,
• copolymer of ethylene, propylene and methacrylic acid,
• copolymer of ethylene, propylene and sodium salt of acrylic acid,
• copolymer of ethylene, propylene and sodium salt of methacrylic acid,
• copolymer of ethylene, propylene and zinc salt of acrylic acid,
• copolymer of ethylene, propylene and zinc salt of methacrylic acid,
• copolymer of ethylene, propylene and ester of acrylic acid, and
• copolymer of ethylene, propylene and ester of methacrylic acid;
• (ii) a UV stabilizer;
• and
• (iii) an antioxidant,
• wherein the total amount of said (ii) and (iii) is about 0.2 to 5.0 percent relative to the weight of the thermoplastic polyurethane (a).