Bead foam compression molding method with in situ steam generation for low density product

Bead foam compression molding method with in situ steam generation for low density product

  • CN 105,073,363 A
  • Filed: 02/07/2014
  • Published: 11/18/2015
  • Est. Priority Date: 02/12/2013
  • Status: Active Application
First Claim
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1. , for a method for molded foaming product, it comprises:

  • A certain amount of water is placed in the compression mould of article shape;

    Then be placed in described compression mould by the thermoplastic urethane foam pearl of desired amount, the density of wherein said thermoplastic urethane foam pearl is about 0.01g/cm 3to about 0.3g/cm 3, and wherein often about 1.5 weight portions to the described thermoplastic urethane foam pearl of about 20 weight portions use the water of 1 weight portion;

    Closed described mould;

    Through about 300 seconds to about 1500 seconds time chien shih described in mould reach the peak temperature of about 130 DEG C to about 180 DEG C;

    After reaching described peak temperature in about 30 seconds, through about 300 seconds to about 1500 seconds time chien shih described in mold cools down to the temperature of about 5 DEG C to about 80 DEG C;

    AndTake out described goods.

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