Section: |
Main.COATINGS.Organic Coatings.Flow Modifier Additive.Polymer Flow Modifier Additive.Acrylic Copolymer Flow Modifier.Co.: USA. C.Patent.Claims Etc.Claim 1: Bulk Polymn Process Prepn.Bu Acrylate/2-Et-Hexyl Acrylate.CoPolymer: a) Charge into.Continuous Tube Reactor Feedstock:.Monomers & Polymn Initiator; b).Maintain in Reactor Flow Rate &.Temp. to form Resin Mixt.; c).Maintain Pressure=80-200 psig;.Resin Mixt.=CoPolymer+UnReacted.d) DeVolatilizing Resin Mixt..to Remove Unreacted Monomers.= Monomer-Free CoPolymer upon.Cooling. Claim 2:.ReCycling the UnReacted Monomers.Claim 3: Recycled Monomers > 5%.of Feedstock. Claim 4:.Residence Time=2-10 min. Claim 5:.Reaction Temp.=100-300C. Claim 6:.(Hydro)Peroxide Initiator Used.0.1-1% rel. to Feedstock. Claim 7:.Polymn. Initiator Select:.Azo-bis IsoButyroNitrile (AIBN) Etc.Claim 8: Solvent-Free Resin Cl. 1.Claims 9,10: Bu Acrylate 75-85;.77.5%; 2-Et-Hexyl Acrylate 15-25,.22.5% resp. & 0.4%.Di-Tert. Bu Peroxide Initiator..Claim 11: Tert-Butyl HydroPeroxide.Initiator. Patent Assignee |