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From the angel of environment protection, through analysing the properties of three majority types of sizing agent, such as starch(modified starch), PVA(polyvinyl alcohol) and acrylic size, we attempted to compare the sizing performance indices of several different environment protection sizing agents. We also briefly introduced several printing pastes with research values currently which could substitute sodium alginate.doi:10.5539/jsd.v2n3p172 fatcat:xpqv3nepvzc6rnvvrbdoxbcjrm