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...
Patent
1995-07-24
1999-10-19
Cain, Edward J.
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, 524458, 524460, 525902, C08K 326
Patent
active
059690305
ABSTRACT:
The present invention is a waterborne coating composition comprising a hydrophobically modified emulsion polymer and a process therefore. The emulsion polymer is formed by first combining hydrophobic polymeric compound and .alpha.,.beta.-ethylenically unsaturated monomer, to form a mixture and subjecting the mixture to high stress techniques to form surfactant stabilized particles of the hydrophobic polymer and monomers, in the aqueous phase. The .alpha.,.beta.-ethylenically unsaturated groups within the particles are co-polymerized to form a hydrophobically modified core polymer. Additional monomers including at least one .alpha.,.beta.-ethylenically unsaturated hydrophilic monomer are then added to the core polymer and polymerized by emulsion polymerization, to form a hydrophobically modified emulsion polymer. To form a coating composition, additional components such as pigments, crosslinkers, plasticizers and solvents are added. The coating is applied to a substrate to form a coated article.
REFERENCES:
patent: 5569715 (1996-10-01), Grandhee
BASF Corporation
Cain Edward J.
Sabourin Anne Gerry
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