保护胶体，外文名protective colloid，是一种加有保护物质的胶体。
利用化学方法，在不同保护胶体下制备了可再分散聚合物粉末。
Redispersible polymer powders were prepared with different protective colloids by way of chemical process.
还可用作中性胶的保护胶体，提高胶料的稳定性和在纸浆上的留着率等。
Cationic starches will be strongly absorbed by negatively charged cellulose fibres, fillers and sixes, etc, resulting in increases in paper strength, higher filler retention and better sizing effec…
具有增稠，粘合，分散，乳化，成膜，悬浮，吸附，凝胶，表面活性，保持水分和保护胶体等特性。
With thickening, adhesion, dispersion, emulsification, film formation, suspension, adsorption, gel, surface activity, water retention and protective colloid and other characteristics.
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