Patent ID: 6492017
Filing Date: 2002-12-10
Classification: C08G,C08L,C09J,Y10T

Abstract:
A surface protection film comprising a transparent backing of polypropylene or propylene-ethylene copolymer, which comprises a light stabilizer, and a self-adhesive composition of polyethylene-vinyl acetate (EVA) having a VA fraction of from 40 to 80% by weight and a melt index MFI in accordance with ISO 1133 (A/4) of from 0.5 to 25 g/10 min at 190Â° C. and 2.16 kg, which is blended with from 0 to 35% by weight of a polyether of the formXOâ€”((CH2)4â€”O)â€”Yâ€ƒâ€ƒ(1) orXOâ€”((CH(CH3)â€”CH2â€”O)â€”Yâ€ƒâ€ƒ(2) having a weight-average molecular weight Mw of from 200 to 100,000 g/mol, X and Y being selected from the group consisting of Hâ€”, (CnH2n+1) where n is from 1 to 20, CH2&boxH;CHCOâ€”, CH3CH(NH2)CH2â€”, 2,3-epoxypropyl-, C6H5â€”COâ€” and CH2&boxH;C(CH3)â€”COâ€”.