C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/04 (2006.01) C08F 285/00 (2006.01) C08L 9/00 (2006.01) C08L 27/06 (2006.01) C08L 33/02 (2006.01) C08L 51/00 (2006.01) C08L 51/04 (2006.01)
Patent
CA 2079579
ABSTRACT OF THE INVENTION Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encapsulated by a final shell, and isolated by spray-drying or coagulation. The isolated powders are readily re-dispersed to their original particle sizes in the matrix polymer.
Allison Judith L.
Kempner James S.
Parker Hsing-Yeh
Stevenson Janis C.
Wills Morris C.
Allison Judith L.
Gowling Lafleur Henderson Llp
Kempner James S.
Parker Hsing-Yeh
Rohm And Haas Company
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