Polyethylene based resins, their preparation, and their applicat

Details Polyethylene based resins, their preparation, and their applicat Polyethylene based resins, their preparation, and their applicat

1987-04-22

1988-09-27

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523344, 524504, 525293, 525301, 525303, 525309, 525324, C08F25502, C08F29118, C09D 373, C09J 314

Patent

active

047742801

ABSTRACT:
New resins based on oxidized polyethylene, which are thermoplastic or thermosetting, soluble in solvents and/or aqueous media, are characterized in that they consist essentially of grafted polyethylene obtained by preparing a dispersion of a molten oxidized polyethylene in an organic solvent medium at a temperature above the softening range of the oxidized polyethylene. The oxidized polyethylene is employed in a proportion of 0.5 to 30% by weight of the resin and has a weight average molecular weight of between 900 and 25,000 and also contains side groups ending in functional groups capable of giving rise to free radicals. The dispersion is polymerized with a mixture of catalyzed monomers consisting essentially of acrylic and/or methacrylic monomers, in a proportion of 70 to 99.5% by weight based on the resin, the mixture being added gradually during the reaction.
The resins according to the invention can be employed as a binder for coatings in paints, varnishes, glues, inks, adhesives and sealants.

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