Polyurethanes, polyurethane(ureas) sulfur-containing polyurethanes and sulfur-containing polyurethane(ureas) and methods of preparation

Polyurethanes, polyurethane(ureas) sulfur-containing polyurethanes and sulfur-containing polyurethane(ureas) and methods of preparation

  • CN 101,460,535 B
  • Filed: 12/06/2006
  • Issued: 01/01/2014
  • Est. Priority Date: 12/16/2005
  • Status: Active Grant
First Claim
Patent Images

1. the urethane of sulfur-bearing, it comprises following reaction product:

  • (a) be selected from the material in polyisocyanates, polyisothiocyanates or its mixture;

    (b) be selected from molecular weight and be less than or equal to the trifunctional of 200 g/mols or the polyol of higher functional group, molecular weight contains the trifunctional of hydroxyl and SH base or the material of higher functional group when being less than or equal to 700 g/mols, molecular weight is less than or equal to the mixture of the material of the trifunctional that contains hydroxyl and SH base when the polyol of the trifunctional of 200 g/mols or higher functional group and molecular weight are less than or equal to 700 g/mols or higher functional group, molecular weight is less than or equal to the mixture of the polythiol of the polyol of the trifunctional of 200 g/mols or higher functional group and trifunctional that molecular weight is less than or equal to 700 g/mols or higher functional group, molecular weight is less than or equal to the mixture of the material of the trifunctional that contains hydroxyl and SH base when the polythiol of the trifunctional of 700 g/mols or higher functional group and molecular weight are less than or equal to 700 g/mols or higher functional group, molecular weight is less than or equal to the trifunctional of 200 g/mols or the polyol of higher functional group, molecular weight is less than or equal to the mixture of the material of the trifunctional that contains hydroxyl and SH base when the polythiol of the trifunctional of 700 g/mols or higher functional group and molecular weight are less than or equal to 700 g/mols or higher functional group, with(c) be selected from dibasic alcohol, the molecular weight that molecular weight is less than or equal to 200 g/mols and be less than or equal to two mercaptan of 600 g/mols, the bifunctional material of hydroxyl and SH base when molecular weight is less than or equal to 600 g/mols, and composition thereof in material;

    Wherein (a), (b) or (c) at least one sulfur-bearing.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×