Flexible multilayer structures comprising a layer of vinylidene

Details Flexible multilayer structures comprising a layer of vinylidene Flexible multilayer structures comprising a layer of vinylidene

1991-07-16

1992-12-22

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 354, 428 366, 428518, B29D 2200

Patent

active

051733455

ABSTRACT:
The flexible multilayer structures comprise a layer of vinylidene chloride copolymer bonded to a layer of plasticized vinyl chloride polymer with the aid of a polymeric adhesive consisting of a mixture of vinyl acetate polymer and of polymethyl methacrylate, for which the product of the vinyl acetate weight content, expressed in per cent, multiplied by the dynamic viscosity at 100.degree. C. and 1 s.sup.-1, expressed in kPa s, is greater than 1.3.times.10.sup.3.
The flexible multilayer structures may be in the form of films, sheets, cartons or flexible pouches which can be employed in the packaging field.

REFERENCES:
patent: 4774146 (1988-09-01), Dehennau et al.
patent: 4959269 (1990-09-01), Dehennau
World Patents Index Latest Acc. No. 82-46866E Week 23 Derwent Publ. Ltd. London, GB; JP-A-57070140 (Saotome, K.) Apr. 30, 1982.
World Patents Index: Acc. No. 71-109935 Week 06 Deiwent Publ. Ltd. London GB; JP-A-46004839 (Nippon Synthetic Orein).

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