New fiberfill battings

New fiberfill battings

  • CN 1,073,993 A
  • Filed: 11/27/1992
  • Published: 07/07/1993
  • Est. Priority Date: 11/27/1991
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of method for preparing bonding batts, comprise the polyester fiber filler that forms about 70-96wt%, the tight mixture that mixes of binder fibre with about 4-30wt%, binder fibre has molten point to be lower than the bonding material of using of polyester fiber filler softening point, prepare continuous batts from described mixture, batts has upper surface and lower surface, advance batts to pass jeting area, there, spray with resin on the two sides of batts, amount is injected batts, comprises about 10-30wt% of the amount of resin, and the glass transition temperature of crosslinked resin (Tg) is about 0 ℃

  • or lower, in baker, heat injected resin batts with crosslinked resin and the softening bonding material of use of bonding usefulness, and then the batts with hot-rolling spreading heating makes resin contact with fibre compact on the batts surface, cools off the batts that heats at last.

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