Method for the emulsion polymerization of olefins

Details Method for the emulsion polymerization of olefins Method for the emulsion polymerization of olefins

2006-10-31

2006-10-31

Cain, Edward J. (Department: 1714)

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...

C524S836000, C526S093000

Reexamination Certificate

active

07129292

ABSTRACT:
A process for emulsion polymerizing one or more olefins involves reacting it/them with at least one complex compound of the formula Ia or bwhere M is a transition metal from groups 7 to 10 of the Periodic Table of the Elements and is preferably Ni in aqueous dispersion and at least one radical R1to R3and optionally one radical R4to R9contains a hydrophilic group X, selection being made from —SO3−, —O—PO32−, NH(R15)2+, N(R15)3+or —(OCH2CH2)nOH, where n is an integer between 1 and 15. For the process of the invention it is optional to use an activator such as, for example, olefin complexes of rhodium or of nickel. This invention further relates to dispersions of polyolefins such as polyethylene and ethylene copolymers in water, for example, and to the use of the aqueous dispersions of the invention for paper applications such as paper coating or surface sizing, paints, adhesive base materials, molded foams such as mattresses, textile and leather applications, carpet back coatings, or pharmaceutical applications.

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