... molecular weight is much smaller than the polyacrylic acid,Hydrolysis maleic anhydride together.The unique molecular ... comparisonBlend the product Hydrolysis maleic anhydride together,polyacrylic acid separately with organic phosphonic monomer,after doing ... all kinds of polymer(Sulfonic acid copolymer, polyacrylic acid, hydrolysis maleic anhydride, MaBing copolymer together etc)..Good heat-resisting ...