Foil or molded body based on a transparent polymeric mixture

Details Foil or molded body based on a transparent polymeric mixture Foil or molded body based on a transparent polymeric mixture

2006-04-25

2006-04-25

Nutter, Nathan M (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S192000, C525S206000, C525S232000, C525S240000

Reexamination Certificate

active

07034077

ABSTRACT:
The invention relates to a foil or molded body based on a transparent and high frequency weldable polymer mixture containing a) (I) a copolymer of ethylene with about 8 to 60% by weight of comonomers, selected from vinyl esters of saturated C2–C8carboxylic acids saturated C1–C12alkylacrylates and methacrylates, optionally with carbon monoxide as termonomer, and/or (II) ethylene homopolymer, ethylene copolymer, propylene homopolymer and/or propylene copolymer with about 8 to 60% by weight of grafted units of unsaturated carboxylic acids, dicarboxylic acids, their esters and/or anhydrides or (III) a mixture of two or more of the above mentioned compounds, independently of their allocation to groups, whereby the polymers or their mixture have a melt index MFI (190° C.; 2.16 kg) of about 0.2 to 15.0 g/10 min and b) a copolymer of ethylene with about 10 to 30% by weight of C3–C12–α-olefin with a melt index MFI (190° C., 2.16 kg) of about 0.2 to 15.0 g/10 min, whereby the material of the foil and of the molded body is partially interlaced.

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European Search Report dated Dec. 10, 2003.

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