Process for the preparation of thermoplastically workable fluoro-olefin polymers
Method for the preparation of aqueous dispersions of polytetrafluoroethylene with halogenated hydrocarbon as stabilizing agent
Preparation of thermoformable methyl methacrylate sheets Patent #: 4152506
ApplicationNo. 06/643516 filed on 08/23/1984
US Classes:525/404, Mixed with ethylenically unsaturated reactant or polymer therefrom524/792, Halogenated hydrocarbon DNRM525/48, Polymer mixed with unsaturated carboxylic acid, ester, salt, or anhydride525/49, Polymer mixed with unsaturated aromatic compound526/206, Material contains halogenated hydrocarbon wherein at least one halogen atom is other than chlorine, and mixtures of water and a halogenated hydrocarbon one ethylenic monomer560/26Polyoxy alcohol moiety
ExaminersPrimary: Kight, John
Assistant: Moore, M. L.
Attorney, Agent or Firm
International ClassC08F 299/00 (20060101)
AbstractCopolymer polyols are prepared by polymerizing ethylenically unsaturated monomer in a polyahl mixture in the presence of a triiodomethyl compound. The use of the triiodomethyl compound provides a lower viscosity, more stable copolymer polyahl.