Impact resistant polyurethane and method of manufacture thereof

Impact resistant polyurethane and method of manufacture thereof

  • CN 1,654,499 A
  • Filed: 10/07/1998
  • Published: 08/17/2005
  • Est. Priority Date: 09/02/1998
  • Status: Active Grant
First Claim
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1. transparent, non-resilient high rigidity anti impact polyurethane material, it comprises following (a) and the reaction product of (b) reacting:

  • (a) a kind of prepolymer, it is to be made by the intermediate reaction that aliphatic series or alicyclic diisocyanate and at least a weight-average molecular weight are about the hydroxyl of about 400-2000, and described intermediate is selected from polyester glycol, polycaprolactone glycol, polyether glycol and polycarbonate diol and composition thereof;

    With(b) at least a first aromatic diamine solidifying agent, described solidifying agent is selected from 2,4-diamino-3,5-diethyl toluene, 2,6-diamino-3,5-diethyl toluene and composition thereof.

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