Melt-processable polyurethanes containing special wax mixtures

Details Melt-processable polyurethanes containing special wax mixtures Melt-processable polyurethanes containing special wax mixtures

1997-11-19

1999-08-10

Niland, Patrick D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524590, 528 44, C08J 300, C08K 320, C08L 7500, C08G 1800

Patent

active

059360186

ABSTRACT:
A thermoplastic molding composition comprising a thermoplastic polyurethane and a wax mixture is disclosed. The polyurethane is a product of an organic diisocyanate, a linear, hydroxyl-terminated polyol and a diol or diamine chain extender. The wax mixture contains a first mixture of an ester of a C.sub.10-45 aliphatic carboxylic acid and a diol, and an alkali metal or alkaline earth metal salt of a C.sub.10-45 aliphatic carboxylic acids, and at least one member selected from the group consisting of fatty acid ester, fatty acid amide, fatty acid ester amide and polyethylene wax.

REFERENCES:
patent: 4581387 (1986-04-01), Werner et al.
patent: 4822836 (1989-04-01), Wroczynski
patent: 4877856 (1989-10-01), Hall et al.
patent: 5344853 (1994-09-01), Knipp et al.
patent: 5567791 (1996-10-01), Brauer et al.
R. Gachter, H. Muller (eds): Taschenbuch der Kunststoff-Additive, 3rd edition, Hanser Verlag, Munich, (month unavailable) 1989, p. 443 et.
Patent Abstracts of Japan, vol. 015, No. 398, Oct. 9, 1991, & JP 03 163127 A (Sumitomo Bayer Urethane KK), Jul. 15, 1991.
Patent Abstracts of Japan, vol. 015, No. 027, Jan. 22, 1991, & JP 02 265964 A (Dynic Corp.), Oct. 30, 1990.

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