Diene-containing rubber compositions having improved green stren

Details Diene-containing rubber compositions having improved green stren Diene-containing rubber compositions having improved green stren

1982-01-25

1983-11-08

Wong, Jr., Harry

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...

5253282, 526304, C08F22058

Patent

active

044143591

ABSTRACT:
The invention disclosed herein provides a process for preparing a diene-containing synthetic rubber having improved green strength which includes the steps of charging a reaction vessel with water, an emulsifier, an initiator, an N-(alkoxymethyl)acrylamide monomer and a monomer containing a vinyl group, purging the vessel with an inert gas, charging a diene monomer and an activator to the vessel, polymerizing the monomers to form a copolymer; and, thereafter extracting the copolymer from the vessel and any unreacted monomers. A styrene-butadiene composition containing up to about 10 percent by weight of N-(isobutoxymethyl)acrylamide exhibits better stress-strain properties than a comparable styrene-butadiene rubber without the acrylamide compound.

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