C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3060, 400/64
C08L 25/08 (2006.01) C08F 255/00 (2006.01) C08L 23/14 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2009638
T 1146 ABSTRACT PROCESS FOR PREPARATION OF STABLE INTERPENETRATING POLYMER BLENDS, COMPRISING A POLY(VINYL AROMATIC) POLYMER PHASE AND A POLY(ALKYLENE) PHASE Process for manufacturing of stable interpenetrating polymer blend networks, comprising the preparation of a gel of a poly(alkylene) polymer by dissolving it in a mixture of one or more organic solvents and one or more vinyl aromatic monomers, optionally mixed with a compatible monomer, cooling this solution to a temperature of at most 80 °C, addition of a radical forming initiator for the polymerization of the vinyl aromatic monomer(s), homogenizing the solution, cooling the solution to a temperature to obtain gelation of the polyalkylene polymer in the solvent mixture, followed by heating the obtained gel to a temperature of at least 80 °C and polymerization of the vinyl aromatic monomer(s) in bulk or suspending the heated solution in a vigorously stirred aqueous medium of a lower temperature to obtain gelation and polymerizing the suspended gel into polymer blend beads, stable interpenetrating polymer blend networks and intermediate gel used therewith. ML6/T1146FF
Berghmans Hugo A. A.
Scheerlinck Philippe M.
Zijderveld Johannes M.
Shell Internationale Research Maatschappij B.v.
Swabey Ogilvy Renault
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