Co-extruded plasticized PVC-based packaging films and method for its production

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United States of America Patent

PATENT NO 11447315
APP PUB NO 20180339824A1
SERIAL NO

16051681

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Abstract

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This invention relates to a method for the production of a co-extruded plasticized multi-layer PVC packaging film that consists of polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), a combination that consists of polyvinyl chloride (PVC) and polyvinylidene chloride (PVDC) or other thermoplastics or elastomers that can be co-polymerized with PVC, having a plasticizer migration behavior from the film composite, which is reduced compared to comparable mono-layer plasticized PVC films and is maximally restricted to 40 mg/dm2. The invention also relates to a co-extruded plasticized multi-layer PVC packaging film that consists of polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), a combination that consists of polyvinyl chloride (PVC) and polyvinylidene chloride (PVDC) or other thermoplastics or elastomers that can be co-polymerized with PVC, having a plasticizer migration behavior from the film composite, which is reduced compared to comparable plasticized mono-layer PVC films and is maximally restricted to 40 mg/dm2.

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Patent Owner(s)

Patent OwnerAddress
SCHMIDT NATALYAZUM WEIDENTOR 14 SPEYER 67346
SCHMIDT WALDEMAR VLADIMIR67346 SPEYER

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schmidt, Waldemar Vladimir Speyer, DE 1 0

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