Fluorine-containing polymers and preparation and use thereof
AssigneeMinnesota Mining and Manufacturing Company
InventorWerner M. Grootaert
Life of this patent
Estimating the term…
Abstract
Group IV organometallic compounds, e.g. alkylsilane, or alkylsiloxane compounds, are used as chain transfer agent in the radical initiated polymerization of ethylenically unsaturated monomers, to give polymers comprising non-ionic end groups.
Claims10
A method for the preparation of fluorine-containing polymer comprising, polymerizing, under free-radical conditions, a polymerizable mixture comprising fluorine-containing ethylenically unsaturated monomer, and a non-free-radically polymerizable organometallic compound comprising a silicon atom and an aliphatic carbon atom bonded directly to said silicon atom and to a hydrogen atom.
In a method of preparing fluorine-containing polymer by polymerizing, under free-radical conditions, a polymerizable mixture comprising fluorine-containing ethylenically unsaturated monomer, the improvement comprising polymerizing said mixture in the presence of a non-free-radically polymerizable organometallic compound comprising a silicon atom and an aliphatic carbon atom bonded directly to said silicon atom and to a hydrogen atom.
Dependencies are inferred from the claim text.