Highly reflective multilayer metal/polymer composites

Details Highly reflective multilayer metal/polymer composites Highly reflective multilayer metal/polymer composites

1977-01-07

1978-09-19

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428332, 428335, 428412, 428418, 428421, 428422, 428425, 428437, 428457, 428458, 428460, 428461, 428463, 428474, 428479, B32B 500, B32B 1508

Patent

active

041156196

ABSTRACT:
A multilayer, metal/organic polymer composite, exhibiting high specular reflectivity even after substantial elongation, is provided by metallizing a layer of thermoplastic organic polymers such as polystyrene or polycarbonate film with a normally solid soft metal such as indium or an alloy of tin and cadmium. Subsequently the multilayer composite or at least a portion thereof can be stretched or elongated by more than 10 percent in both the longitudinal and traverse directions without losing its initial specular reflectivity. Articles fabricated of the multilayer composite may be structurally reinforced by casting an elastomeric or rigid foam polymer such as polyurethane into a cavity defined by the deposit. The multilayer composites are useful in the manufacture of reflective and decorative parts for automobiles and other vehicles of transportation, as well as high barrier packages for foods and electroconductive elements.

REFERENCES:
patent: 3011383 (1961-12-01), Sylvester et al.
patent: 3138517 (1964-06-01), Charbonneau
patent: 3578552 (1971-05-01), Prevorsek et al.
patent: 3589975 (1971-06-01), Andrews et al.
patent: 3751288 (1973-08-01), Alfrey et al.
patent: 3776805 (1973-12-01), Hansen
patent: 3839129 (1974-10-01), Neumann
patent: 3939024 (1976-02-01), Hoggatt
patent: 3949139 (1976-04-01), Dunning et al.
patent: 3997703 (1976-12-01), Nakashio et al.

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