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Polymer Formers - FIZ Karlsruhe

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24<br />

Example 4<br />

Multi-ply film for packaging has 3-ply structure:<br />

Surface layer - EPDM, where diene monomer is cyclopentadiene<br />

Middle adhesive layer - Ethylene-Vinyl acetate<br />

Base layer - Ethylene Propylene random copolymer produced by coextrusion<br />

3<br />

Packaging<br />

<strong>Polymer</strong>ic exterior layer<br />

Tri-layer structure<br />

Coextruding<br />

<strong>Polymer</strong> interface<br />

2<br />

1 Cyclopentadiene<br />

1 Ethylene<br />

<strong>Polymer</strong> interface<br />

Polyolefin<br />

Film EPDM<br />

1<br />

Propylene<br />

Ternary copolymer<br />

Elastomer<br />

3<br />

Packaging<br />

Adhesiveness<br />

Tri-layer structure<br />

Coextruding<br />

Tie layer<br />

2<br />

1 1<br />

Ethylene<br />

Vinyl acetate<br />

Binary copolymer<br />

Polyolefin<br />

Ethylene - Vinyl acetate BCP<br />

Film<br />

3<br />

Packaging<br />

Tri-layer structure<br />

<strong>Polymer</strong> interface<br />

Coextruding<br />

2<br />

1 Ethylene<br />

1<br />

Propylene<br />

Polyolefin<br />

Binary copolymer<br />

Ethylene - propylene BCP<br />

Random copolymer<br />

Film

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