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Honeycomb from paper having flame retardant thermoplastic binder

  • US 20080145600A1
  • Filed: 12/15/2006
  • Published: 06/19/2008
  • Est. Priority Date: 12/15/2006
  • Status: Active Grant
First Claim
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1. A honeycomb having cells comprising a flame resistant paper,the paper comprising:

  • a) 5 to 50 parts by weight thermoplastic material having a melting point of from 120°

    C. to 350°

    C., andb) 50 to 95 parts by weight of a high modulus fiber having a modulus of 600 grams per denier (550 grams per dtex) or greater, based on the total amount of thermoplastic material and high modulus fiber in the paper,wherein the thermoplastic has a limiting oxygen index of at least 26.

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