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Bis-propargyl thermosets

  • US 5,475,133 A
  • Filed: 11/28/1994
  • Issued: 12/12/1995
  • Est. Priority Date: 11/28/1994
  • Status: Expired due to Fees
First Claim
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1. A curable bispropargyl-containing monomer represented by the formula:

  • B1 --A1m --R--A2n --B2 wherein R is a radical selected from the group consisting of 1,4-phenylene, 4,4'"'"'-biphenyl, 2,6-naphthalene, --C6 H4 --CR2

    CR2 --C6 H4 -- wherein R2 is H or CH3, and the same where said radical contains one or more substituents selected from the group consisting of halo, nitro, lower alkyl, lower alkoxy, fluoroalkyl or fluoroalkoxy, A1 and A2 are selected from the group consisting of --C6 H4 --C(O)--O-- and --C6 H4 --O--C(O)--, m and n are 0 or 1, m+n is 0, 1 or 2 and B1 and B2 are --OCH2 --C.tbd.C--H.

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