Rubbery polymer with improved properties

Details Rubbery polymer with improved properties Rubbery polymer with improved properties

1998-04-23

2000-07-18

Cain, Edward J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525233, 5253201, 5253318, 525384, C08L 3100

Patent

active

060908890

ABSTRACT:
This invention discloses a rubbery polymer having improved properties which is comprised of repeat units which are derived from (a) butyl acrylate, or optionally a mixture of butyl acrylate and 2-ethylhexyl acrylate containing up to about 40 percent 2-ethylhexyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate and ethyl acrylate, (c) acrylonitrile, (d) styrene and (e) a crosslinking agent; wherein a chemical agent or a copolymer containing hydroxyl groups, ester groups, amine groups or carboxylic acid groups is grafted onto said rubbery polymer. The grafting can be done in the presence or in the absence of a carrying polymer matrix which should be inert with regard to the grafting reaction. Fatty alcohols and ethylene vinyl acetate are representative examples of agents which can be grafted onto the rubbery polymer.

REFERENCES:
patent: 5859132 (1999-01-01), Ngoc

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