Patent ID: 9181659
Filing Date: 2015-11-10
Classification: C08B,C08J,C08K,C08L,C09D,D21H,D21J

Abstract:
1. A method for increasing the concentration of a CMC stock solution comprising: dissolving a CMC mixture in water to obtain an alkali solution of CMC, the CMC mixture comprising a dry-blend of a CMC, having a degree of substitution of less than about 0.9, and an alkali salt, wherein the alkali solution of CMC comprises the CMC in a concentration greater than about 9.8% by weight, and has a pH from about 7.5 to about 11, and wherein the alkali solution of CMC has a viscosity of less than about 5,000 mPa when measured at a temperature from about 50° C. to about 60° C.