Structure reinforced latex particles

Details Structure reinforced latex particles Structure reinforced latex particles

1985-07-29

1988-01-05

Schofer, Joseph L.

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...

523201, 524461, 525902, C08F 216

Patent

active

047177500

ABSTRACT:
A process for preparing a structure reinforced latex particle whose film has improved tensile and elongation properties prepared by an emulsion polymerization comprising a three-stage monomer feed addition. The second monomer feed is an amount from about 5 to about 30 parts per hundred parts monomer in said latex particle and is a polymer of which would have a T.sub.g greater than either the first or third monomer feed. The subject structure reinforced latex particle provides a film having improved tensile properties without a corresponding reduction in elongation. A pressure sensitive adhesive formulated with the structure reinforced latex particle is also provided.

REFERENCES:
patent: 4289823 (1981-09-01), Arkens
patent: 4537916 (1985-08-01), Bruschtein et al.

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