Water based stencil filler

Details Water based stencil filler Water based stencil filler

1994-12-13

1996-06-11

Szekely, Peter A.

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...

524501, 524522, 524526, 524272, 564798, C08L 9304, C08L 702, C08L 908, C08L 1302

Patent

active

055256554

ABSTRACT:
A water based stencil filler that can be cleaned off monuments with a water wash, the filler being comprised of a tackified elastomer aqueous dispersion formulation containing (a) a rosin derived resinous composition which is a substantially a polyhydric alcohol rosin ester dispersion, (b)a carboxyl-containing rosin derived resinous composition having an acid value of from 30 to 150 and a softening point of from -25 C to 150 C, at least partially neutralized with a counter ion capable of carrying the resinous composition into solution or dispersion in water, (c) a supplemental surfactant, and (d) a rubber.

REFERENCES:
patent: 4183834 (1980-01-01), Evans et al.
patent: 4419481 (1983-12-01), Schwartz
patent: 4477613 (1984-10-01), Evans et al.

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