Segmented N-alkyl polyurethane amides

Details Segmented N-alkyl polyurethane amides Segmented N-alkyl polyurethane amides

1993-08-12

1995-02-21

Carrillo, Ana L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525420, C08L 7504, C08L 7700

Patent

active

053916417

ABSTRACT:
The invention relates to segmented N-alkyl polyurethane amides having an average molecular weight of 5,000 to 250,000, to a process for their production and to their use for the production of materials which may be used in the medical field.

REFERENCES:
patent: 4588783 (1986-05-01), Chang
patent: 4734462 (1988-03-01), Liedloff et al.
patent: 4876317 (1989-10-01), Blackmon et al.
Journal of Polymer Science Part A : Polymer Chemistry Ed., vol. 28, No. 13, Dec. 1990, pp. 3685-3699, Chapman et al "Polyurethane Elastomers with Hydrolytic and Thermooxidative Stability. II Polyurethanes with N-Alkylated Polyurethane Soft Blocks".
S. Gogolewski in Colloid Polymer Science No. 267, 757 to 785.
J. H. Saunders in Rubber Chem. Technol. 32, 1959 337 et seq.
H. Shintaini and A. Nakaumura in Journal of Analytica Toxicology 13, 1989, 354 to 357.

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