Polymerizing ethylene-ionic comonomer using inverse micellar pro

Details Polymerizing ethylene-ionic comonomer using inverse micellar pro Polymerizing ethylene-ionic comonomer using inverse micellar pro

1992-05-29

1993-08-31

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 72, 526 78, 526287, 526318, C08F 204, C08F 206

Patent

active

052410285

ABSTRACT:
Nonrandom ionomers of ethylene and an ionic functional comonomer, such as zinc-2-ethylhexylmaleate, are prepared in a one-step, inverse micellar copolymerization process comprising contacting under copolymerization conditions ethylene and the comonomer in a manner such that the comonomer forms an inverse micelle within the ethylene. The comonomer is at least 20% neutralized, preferably 100% neutralized. The ionomers of this invention exhibit properties similar to nonrandom ionomers made by the traditional two-step process of copolymerizing ethylene and an alpha,beta-ethylenically unsaturated carboxylic acid, and then neutralizing the product with metal ions.

REFERENCES:
patent: 3297663 (1967-01-01), Hofheim

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