Alternating copolymers of ethylene/alkyl acrylates/cure-site mon

Details Alternating copolymers of ethylene/alkyl acrylates/cure-site mon Alternating copolymers of ethylene/alkyl acrylates/cure-site mon

1974-08-08

1976-05-11

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526227, 526237, 526245, 526292, 526329, C08F21800, C08F22000, C08F21000

Patent

active

039562484

ABSTRACT:
An amorphous substantially linear atactic alternating copolymer having a glass transition temperature less than about 0.degree.C., and an inherent viscosity of about 1 to about 6, said copolymer having repeating units of -A-B- wherein A is a unit of at least one C.sub.1 -C.sub.8 alkyl acrylate and cure-site monomer if the cure-site monomer is an acrylic, and B is independently selected from ethylene and cure-site monomers if the cure-site monomer is an .alpha.-olefin. These copolymers are prepared by reacting monomers in the presence of boron trifluoride and a free radical initiator and, when cured, are particularly useful as elastomers.

REFERENCES:
patent: 3183217 (1965-05-01), Serniuk et al.
patent: 3793262 (1974-02-01), Logothetis
patent: 3814734 (1974-06-01), Kawasumi et al.

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