Structures with multiple polymeric layers comprising a vinyliden

Details Structures with multiple polymeric layers comprising a vinyliden Structures with multiple polymeric layers comprising a vinyliden

1990-04-26

1992-03-17

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428421, 428516, 428519, 428520, B32B 2708

Patent

active

050967827

ABSTRACT:
Structures with multiple polymeric layers comprising a vinylidene fluoride polymer layer bonded to a polar polymer layer by the use of a polymeric adhesive comprising a vinyl acetate polymer. These structures are characterized in that the product of the weight content of vinyl acetate of the polymeric adhesive, expressed in percent, and its dynamic viscosity at 100.degree. C. and 1 s.sup.-1, expressed in kPa s, is greater than 1.4.times.10.sup.3. The structures with multiple polymeric layers can take the form of films, sheets, panels, tubes or hollow bodies which can be employed particularly in the field of protection against corrosion or ultraviolet rays.

REFERENCES:
patent: 3524795 (1970-08-01), Peterson
patent: 4585694 (1986-04-01), Dehennau
patent: 4659625 (1987-04-01), Decroly et al.

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