Polymer polyol, process for production thereof, and process for production of polyurethane

Polymer polyol, process for production thereof, and process for production of polyurethane

  • CN 101,578,309 B
  • Filed: 12/13/2007
  • Issued: 06/15/2011
  • Est. Priority Date: 01/10/2007
  • Status: Active Grant
First Claim
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1. polymer polyatomic alcohol A, it serves as to constitute unitary polymer particle JR to form by containing in polyvalent alcohol PL with alefinically unsaturated compounds E, wherein, the ratio of the vinyl cyanide among the alefinically unsaturated compounds E is 40~

  • 60 moles of %, relation between the viscosity of polymer polyatomic alcohol and the polymer particle content PC satisfies following formula (1) and/or satisfies following formula (2) and formula (3)(N1)<

    0.9×

    (PC)-35 (1)(N2)<

    1.17×

    (PC)-46 (2)(N3)<

    1.37×

    (PC)-55 (3)N1;

    polymer polyatomic alcohol is a viscosity under 1.0 in the velocity of shear that records with rheometer under 25 ℃

    N2;

    polymer polyatomic alcohol is a viscosity under 0.1 in the velocity of shear that records with rheometer under 25 ℃

    N3;

    polymer polyatomic alcohol is a viscosity under 10.0 in the velocity of shear that records with rheometer under 25 ℃

    PC;

    the content of the JR in the polymer polyatomic alcoholWherein, the unit of velocity of shear is 1/s, and the unit of viscosity is Pas, and the unit of content is weight %.

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