Tubular polyamide casing
AssigneeHoechst Aktiengesellschaft
InventorKarl Stenger
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Abstract
The monolayered, biaxially stretch-oriented and heat-set tubular packaging casing, in particular synthetic sausage casing, is crystal-clear and exhibits high resilience. It is essentially composed of a polymer mixture comprising polyamide-6 and an aromatic copolyamide comprising units of hexamethylene diamine, terephthalic acid and isophthalic acid.
Claims15
An easily peelable, tear resistant, monolayered, biaxially stretch-oriented and heat-set tubular packaging casing having a natural crystal-clear appearance, comprising a polymer mixture of polyamide-6 and an aromatic copolyamide comprised of at least one unit each of hexamethylene diamine, terephthalic acid and isophthalic acid wherein said casing is substantially shrink resistant in both transverse and longitudinal directions at temperatures below 80.degree. C., said tubular packaging casing has been heat set in a blown up state, and wherein said polymer mixture is comprised of about 10 to 90% by weight of said aromatic copolyamide.
Dependencies are inferred from the claim text.