C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 53/00 (2006.01) C08F 290/06 (2006.01) C08L 67/04 (2006.01) C08L 101/00 (2006.01) C08L 55/00 (2006.01)
Patent
CA 2070538
BLENDS OF COMB-SHAPED COPOLYMERS OF A MACROMOLECULAR MONOMER OF POLYLACTONE WITH POLYMER (s) ABSTRACT OF THE DISCLOSURE Blends are formed with numerous commercially available resins and a comb-shaped polymer ("comb" for brevity) of a macromolecular monomer of a polylactone having terminal vinyl unsaturation so long as the polylactone chains are long enough to be compatible with one of the components to be blended. The comb may be formed with any polymerizable olefinically unsaturated monomer, preferably a vinyl, styryl, or acryloyl monomer. The vinyl unsaturation of the "head" of the macromer of polylactone may be acryloyl, styryl or allyl. The comb is made by a low temperature emulsion or suspension polymerization process. The comb, which has a hydrocarbon backbone and pendant polylactone chains, typically has a number average molecular weight of at least 10,000. A blend of first and second resins which are normally incompatible with each other, is also produced using a comb in which the backbone is compatible with one of the resins. Such blends also result with a synthetic resin and a comb in which the pendant chains consist of a first block which has a polylactone structure, and a second block which has a polyether structure, or vice versa.
Swabey Ogilvy Renault
The B.f. Goodrich Company
Yu Simon H.
LandOfFree
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