Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Halogen containing compound
Patent
1981-11-30
1983-03-29
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Halogen containing compound
156249, 430 11, 430 14, 428201, 428204, 428214, 428215, 428343, 428352, 428354, 428355, 428421, 428480, 428483, 428515, 428520, 428522, B32B 706, B32B 318, B32B 702
Patent
active
043783929
ABSTRACT:
A laminate to extend the life of photographs and prevent them from gradual deterioration due to environmental conditions comprises a laminate made of a transparent film of ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile and a transparent silicone or acrylic adhesive bonded to the film, the laminate being adapted to be bonded to the image surface of a photograph by the adhesive. Alternatively, to provide even greater protection against moisture vapor and oxidation, an additional layer of a transparent fluorocarbon polymer may be bonded to the ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile with a silicone or acrylic adhesive. Alternately, to provide a better aesthetic appearance by means of thermal texturization, an ultraviolet-absorbing polymethylmethacrylate film may be bonded to the ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile with a silicone or acrylic adhesive. Any of these combinations is effective to protect photographs over a long period of time from elements which cause fading and degradation, such as ultraviolet radiation, cycling relative humidity, atmospheric pollution and oxidation.
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