Carboxymethyl cellulose （abbreviated CMC） is a natural cellulose （cotton linters, wood, paper, all kinds of fibers, etc.） by a cellulose ether derivatives obtained by chemical modification, are industrially most important water-soluble polymers .

　　However, CMC in the application process, especially in the low degree of substitution product, dissolved in water dispersion slowly, stirred for an uninterrupted, soaking. When the other water-soluble glue, softeners and resin compatibility, there will be clay, the result is dissolved more slowly.

　　To this aim, we have developed without affecting the original performance conditions CMC, CMC improve water dissolution rate method. Experimental results show that the modified instant type CMC is dissolved faster than the original several times or even dozens of times, the effect is very obvious, but CMC still maintains the original performance.

　　the modified instant type CMC is dissolved faster than the original CMC several times or even dozens of times, the effect is very obvious