TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The metal ion is chosen from zinc ion, sodium ion, magnesium ion, calcium ion, lithium ion, potassium ion, tin ion, aluminum ion, barium ion and tin ion.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The secondary monomer is chosen from acid anhydride monomer, (meth)acrylic acid, alkyl (meth)acrylate, glycidyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, polyethylene glycol (meth)acrylate, vinyl sulfonic acid, alkyl vinyl sulfonate, vinyl phosphate, alkyl vinyl phosphate or N-(hydroxymethyl)acrylamide, preferably maleic anhydride, (meth)acrylic acid, methyl (meth)acrylate, glycidyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, polyethylene glycol (meth)acrylate, vinyl sulfonic acid, diethyl vinyl phosphate or N-(hydroxymethyl)acrylamide. The content of secondary monomer is 0.5-10 parts weight. The content of carboxyl group neutralized with metal ion is 10% or more. The radical initiator is chosen from t-butylcumylperoxide, di-t-butyl peroxide, dicumyl peroxide, 2,5-dimethyl-2,5-di(t-butylperoxy)hexane, 2,5-dimethyl-2,5-di(t-peroxy)hexane, cumene hydroperoxide, diisopropylbenzene hydroperoxide, 2,5-dimethyl-2,5-di(hydroperoxy)hexane, tert-butyl hydroperoxide, bis-3,5,5-trimethyl hexanoyl peroxide, octanoylperoxide, benzoylperoxide, O-methylbenzoyl peroxide, 2,4-dichloro benzoyl peroxide, t-butylperoxy isobutyrate, t-butylperoxyacetate, t-butylperoxy-2-ethylhexanoate, t-butylperoxy pivalate, t-butylperoxyoctoate, t-butylperoxy isopropyl carbonate, t-butyl peroxybenzoate, di-t-butylperoxyphthalate, 2,5-dimethyl-2,5-di(benzoylperoxy)hexane, 2,5-dimethyl-2,5-dihexyne, cyclohexanone peroxide, lauryl peroxide, azobis isobutyronitrile and azobis(2,4-dimethyl valeronitrile). The olefin ionomer resin composition further contains photostabilizer, ultraviolet absorber and thermal stabilizer. The silane-modified olefin copolymer having silyl group is of formula: -Si(X)mY'(3-m). The unsaturated silane compound is of formula: D'Si(X)mY'(3-m), preferably vinyltrimethoxysilane, vinylethoxysilane, vinyl tripropoxysilane, vinyl triisopropoxysilane, vinyltributoxysilane, vinyl tripentoxysilane, vinyl triphenoxysilane or vinyltriacetoxysilane.X=halo, alkoxy, phenoxy, acyloxy, alkylthio or alkyleneoxy thio;Y'=H, alkyl, aryl or aralkyl;m=1-3;andD'=alkenyl.Preferred Properties: The polyolefin has density of 0.85-0.96 g/cm3 and melt index of 0.1-50 g/10 minutes at 190 degrees C.