Polyurethanes and food casings made therefrom

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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Details

138118, 1381181, 138177, 528 83, 528906, C08G 1842, B32B 2740, A22C 1300

Patent

active

041744365

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 polyruethane comprises a particular combination of components which imparts the desired properties.

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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), Reifenkauner et al.
patent: 4051111 (1977-09-01), Holloway
patent: 4055549 (1977-10-01), Roberts
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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