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Cure rebond binder

  • US 20060035990A1
  • Filed: 08/11/2005
  • Published: 02/16/2006
  • Est. Priority Date: 08/11/2004
  • Status: Active Grant
First Claim
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1. ) A process for producing a cured polyurethane foam article that comprises particles of one or more polyurethane foams bonded together with a binder, which process comprises:

  • a) forming a mixture comprising;

    i) a plurality of particles of polyurethane foam;

    ii) a binder that comprises a prepolymer made from an organic isocyanate and a polyol; and

    iii) an effective catalytic amount of a tertiary amine; and

    b) curing said mixture by contacting it with steam.

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