Method for the preparation of alkenyl aromatic monomer nitrile c

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...

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524459, 524460, C08F 216

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active

043871798

ABSTRACT:
In the mass polymerization of an alkenyl aromatic nitrile rubber polymer blend such as ABS by the mass polymerization technique, improved physical properties are obtained in the resultant polymer by the incorporation of water into the mass polymerization process. During polymerization the pressure of the system must be maintained sufficiently high to prevent vaporization of the water.

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patent: 3991136 (1976-11-01), Dalton et al.
patent: 4017559 (1977-04-01), Deets et al.
patent: 4221883 (1980-09-01), Mott et al.

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