Isocyanate-based prepolymers

Isocyanate-based prepolymers

  • CN 104,169,319 B
  • Filed: 03/19/2013
  • Issued: 03/01/2019
  • Est. Priority Date: 03/29/2012
  • Status: Active Grant
First Claim
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1. a kind of prepolymer containing isocyanates, by make at least one isocyanates and at least one first compound and withThe different at least one second compound of at least one first compound, which is reacted, to be obtained;

  • And wherein at least one is differentCyanate includes methyl diphenylene diisocyanate, wherein first compound is monohydric alcohol, selected from monohydroxy poly-Ester, monohydroxy C1-20Hydroxyl alkane and monohydroxy heterocycle are selected from a hydroxyl wherein the second compound is monohydric alcoholThe polyester of base, monohydroxy C1-20Hydroxyl alkane and monohydroxy heterocycle.

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