Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-03-28
1999-01-05
Clark, W. Robinson H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
4284231, 4284256, 4284246, 4284258, 428518, 525451, C08L 3308, C08L 3002, C08L 7504
Patent
active
058564047
ABSTRACT:
A water borne back bedding sealant formulated from an acrylic polymer emulsion and a urethane polymer emulsion provides superior adhesion, tensile properties, low temperature flexibility, rheology and bond strength. In one embodiment of the present invention, the back bedding sealant comprises the following components: from 50% to 75% by weight of an acrylic polymer emulsion, from 7% to 25% by weight of a urethane polymer emulsion which is compatible with the acrylic polymer emulsion plus minor amounts of components to be selected from a list comprising: rheology modifiers, glycols, mineral oil, silanes, Ph adjusters, surfactants, water, silicas, and antimicrobial agents. These superior properties can be attained even with a clear sealant.
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Waterborne Urethanes Improve Acrylics' Adhesive Performance, Walker J. Warren, Adhesive Age, Jul. 1990.
Choung Hun R.
Clutter Edward T.
Perez Aureliano
Clark W. Robinson H.
O'Neil Michael A.
Schnee-Morehead, Inc.
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