The product is widely used in building construction, building materials, dispersing coating, wall paper coating, polymerization aids, cosmetics, pharmaceuticals, varnish remover, food, leather, printing ink, paper and etc working as thickener, adhesive, moisture retentive agent, film former, excipient, emulsifier and so on. For example, it is used as adhesive, thickener and moisture retentive agent in building material; film former and thickener in coating industry. Furthermore, it also has a wide use in oil drilling and daily chemical industry.