Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
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.
Dehennau Claude
Dupont Serge
Herbert, Jr. Thomas J.
Solvay & Cie
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