Polyurethanes and food casing made therefrom particularly by ext

Details Polyurethanes and food casing made therefrom particularly by ext Polyurethanes and food casing made therefrom particularly by ext

1976-12-23

1978-10-31

Cockeram, H.S.

Stock material or miscellaneous articles

Composite

Of polyamidoester

138118, 1381181, 138177, 264 95, 264173, 264210R, 426105, 428 36, 428910, 528 73, C08G 1842, B32B 2740, A22C 1300

Patent

active

041235894

ABSTRACT:
A novel elastic polyurethane having outstanding properties for use in making mono- and multi-layer food casings, more especially sausage casings, by extrusion. Stretching, especially biaxial stretching, gives further improvement. The casings can be boiled and scalded without folding or wrinkling when cooled. The polyurethane comprises a particular combination of components which imparts the desired properties.

REFERENCES:
patent: 2914556 (1959-11-01), Hostettler et al.
patent: 3591561 (1971-07-01), Kazama et al.
patent: 3642397 (1972-02-01), Schippers et al.
patent: 3746665 (1973-07-01), Koleske et al.
patent: 3752694 (1973-08-01), Sayigh et al.
patent: 3763079 (1973-10-01), Fryd
patent: 3926706 (1975-12-01), Reifenhauser et al.
Union Carbide Corp. Product Bulletin : NIAX Polyols D-510, D-520 and D-560, Apr., 1965.
Bayer-Vulkollan Urethan Elastomer -- not dated.

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