MULTILAYER TYPE SAFETY FILM

A safety film is provided to prevent the change of tear strength and transparency by light or the long-termed use and to prevent the breaking or scattering of glass when it is applied to glass. A safety film comprises at least two layers of laminated layers in the thickness direction, wherein the te...

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Bibliographic Details
Main Authors LEE, GWAN HYUNG, PAK, HYUNG SUK
Format Patent
LanguageEnglish
Korean
Published 10.09.2009
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A safety film is provided to prevent the change of tear strength and transparency by light or the long-termed use and to prevent the breaking or scattering of glass when it is applied to glass. A safety film comprises at least two layers of laminated layers in the thickness direction, wherein the tear strength of the longitudinal direction and traverse direction is 1.0 kg or greater at -10 ~ 40 °C it at the same time. The film comprises a polyethylene terephthalate layer having a degree of crystallinity of 70 ~ 100 %; and a polymer layer comprising a polyalkylene terephthalate glycol copolymer containing 10 ~ 70 weight% of dimethylcyclohexane dimetha, a polyalkylene, a polyurethane, and a polyacetate.
Bibliography:Application Number: KR20080021609