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  1. iqramirez

    bonding polystyrene

    I tried with this adhesion promotors after clean with MEK: 1.chlorinated polyolefines at 6% pbw in MEK/TOL 2.Desmodur L-1260 (isocyanate)at 5% in ETHYL ACETATE 3. Hypalon CP-337 at 6% in MEK/TOL/CICLOHEXANONE all the results were adhesion fail over the PS. The PU solvent based adhesive did not...
  2. iqramirez

    bonding polystyrene

    how can i bond polystyrene midsole with rubber sole using polyurethane solvent based adhesive system. the process is: clean polystirene with MEK, Apply promoter adhesion (i dont know wich one) and cementing with PU adhesive. any tip??? Thanks
  3. iqramirez

    solvent based gafted adhesive

    Yes, cyanoacrylates are so expensives, and dificult to work in production. we have that problem in a footwear factory
  4. iqramirez

    solvent based gafted adhesive

    Hello there. I need to formulate an adhesive to attach leather, pvc, EVA foam and non woven, my first idea was todevelop a grafted adhesive using natural rubber and methylmethacrylate MMA, that material was provided by HEvea corp (heveatex8000). The material heveatex 8000 was diluited in...
  5. iqramirez

    bonding nylon

    hello all, i am working in shoe industry, and i have many problems for bonding nylon, i made a primer using phenol in solution in Ehthyl acetate, but the results presents parts with adhesion fail. any suggestion? thanks
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