In This Section: Adhesion: Plastics1 Adhesion • Metals <   Plastics <   Woods <   More <   Toughness and Flexibility • Processing Ease • PRIMACOR* copolymers bond to polyethylene because of their chemical similarity. Here, the adhesion is formed by a bond between the polymer backbone rather than by the acid groups. Substrate Excellent Fair Poor Acrylonitrile-butadiene-styrene (ABS)     X Cellophane   X   Chlorinated polyethylene (CPE) X     Ethylene-propylene-diene monomer (rubber) X     Ethylene vinyl acetate (EVA) X     EVAL™ ethylene vinyl alcohol     X FORMICA™ laminate (finish side)   X   Ionomers2 X     Nylon (6 and 66) X     Polyester     X Polyethylene (HDPE, LDPE, LLDPE) X     Polymethylmethacrylate     X Polytetrafluoroethylene     X Polyurethane X     Polyurethane, thermoplastic     X Polyvinylidene chloride     X PVC (rigid and flexible)     X Sheet Rubber (SBR)   X   Styrene-acrylonitrile polymer     X TYVEK® spunbonded olefin X     1 Corona discharge treatment will frequently improve adhesion. 2 Tested using SURLYN™ ionomers. NOTE: Dispersion of PRIMACOR 5980I cast on substrate and dried at 100° C; formulation additives can significantly improve adhesion. Test method: 180° T-peel at 5 in/min to plastic polymers.
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