Active polymer polyols and a process for their production

Active polymer polyols and a process for their production

  • CN 105,051,086 A
  • Filed: 03/13/2014
  • Published: 11/11/2015
  • Est. Priority Date: 03/15/2013
  • Status: Active Application
First Claim
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1. a polymer polyatomic alcohol, its solid content is greater than 40 % by weight, total ethylene oxide content is up to 25 % by weight, ethylene oxide content in Base polyol is up to 40 % by weight and viscosity at 25 DEG C is less than 15,000 centistoke, described polymer polyatomic alcohol comprises the reaction product of following materialA) molecular weight containing active hydrogen atom that at least one is formed in the presence of dmc catalysts is less than 3500 and total ethylene oxide content is the Base polyol of 15 to 40,B) polymer polyatomic alcohol is made to have at least one unsaturated monomer of the amount of the solid content of 40 to 60 % by weight, and optionallyC) preformed stabilizers, is formed under the existence of following material:

  • D) at least one radical initiator, and optionallyE) chain-transfer agent.

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