TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The POE of melt flow index comprises 0.5-30 g/10 minutes, and transmittance of more than 80%. The polar resin graft modified functional resin is polar group or polar group polynary copolymerized functional resin, polar grafted and modified by hydrophobic group functional resin for blending graft of polar monomer with polyethylene, polypropylene, polybutylene or POE modified product; the polar monomer is polar group polynary copolymerized functional resin of maleic anhydride, methacrylic acid ethylene oxidic ester and acrylic ester; polar monomer comprising ethylene, propylene, butene, hexene and/or octene; the polar monomer is polar grafted and modified by hydrophobic group-functional resin of maleic anhydride, methacrylic acid ethylene oxidic ester, polyethylene grafted maleic anhydride copolymer, polyethylene grafted acrylic ester copolymer, polypropylene grafted maleic anhydride copolymer, polypropylene grafted glycidyl methacrylate copolymers with other alkylenes, polybutenes grafted maleic anhydride copolymer, polybutene grafted acrylate copolymer; and polar group polynary copolymerized functional resin copolymer comprising ethylene-propylene-maleic anhydride terpolymers, ethylene-butylene-maleic anhydride terpolymer, butene-octylene-acrylate terpolymer and/or ethylene-acrylic ester-maleic anhydride ternary copolymer. The tackifier is dilute base diethoxy silicon, dilute base dimethyl silicon, methacrylic acid, gamma -propyl diethoxy silicon, dilute base diethoxy silicon, dilute base dimethyl silicon and/or methacrylic acid ester. The crosslinking agent is 2,5-dimethyl-2,5-di(tert-butyl peroxide)hexane, 1,1-(tert-butyl peroxide)-3,3,5-trimethyl-cyclohexane, tert-butyl peroxy benzoate, triphenyl methane-4,4',4"-triisocyanate, dicumyl peroxide, benzoyl peroxide, di-tert-butyl peroxide, di(2-tert-butyl peroxide isopropyl) benzene, tertiary butyl peroxide isopropyl benzene peroxide, benzoic acid tertiary amyl ester, 2,2-di(tert-butyl peroxide)butane, amyl peroxide, tert-butyl hydroperoxide, tert-butyl hydroperoxide-2 acetic acid ester, tert-butyl hydroperoxide, 3,5,5-trimethyl caproic acid ester, benzoyl peroxide, di-(4-chlorobenzoyl) peroxide or tert-butyl peroxide-2-ethylhexyl carbonate. The antioxidant is 2,6-di-tert-butyl-4-methyl phenol, tetra ( beta -(3,5-di-tert-butyl-4-hydroxy phenyl)propionic acid)pentaerythritol ester, tri(2,4-di-tert-butyl phenyl) phosphite ester, beta -(4-hydroxy-3,5-di-tert-butyl phenyl) propionic acid and/or di(2,4-di-cumyl phenyl)pentaerythritol diphosphite. The ultraviolet light absorbent is gas phase silicon dioxide, salicylic acid, N-(ethoxycarbonyl phenyl)-N-methyl-N-phenyl methyl ether, 2-hydroxy-4-octyloxybenzophenones, 2-hydroxy-4-methoxy-benzophenone, 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone, 2-hydroxy-4-propylene acyloxy ethoxyl benzophenone.