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
1998-06-12
2000-10-31
Jagannathan, Vasu
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...
524437, 524448, 524503, 428195, 106482, 106483, 106494, C08L 2904, C08K 336, C08K 310, B32B 2720
Patent
active
061404063
ABSTRACT:
A coating composition for an ink jet recording medium comprises an aqueous suspension of absorptive pigment, a binder, a sizing agent, and a cationic fixing agent. The coating composition combines solids content of greater than 30% with good runnability. The composition may preferably be dispersed at pH values in the range of 4.5 to 7.0. The pigment is preferably a mixture of 75% or more silica gel having a pore volume of 0.5-2.0 cc/g, and 10% or more alumina or alumina hydrate. A method for making down the coating composition includes the sequential steps of dispersing a polyvinyl alcohol binder in water, cooling the binder dispersion, dispersing a sizing agent, and mixing the suspension thoroughly before addition of a cationic fixing agent and pigment.
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Schliesman Leonard J.
Spreda Karen K.
Tritz Leland O.
Consolidated Papers Inc.
Jagannathan Vasu
Shosho Callie E
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