In addition, only PEG macro-monomer with sufficient hydrophilic-CH2-CH2-O-chain length could stabilize microgel particles during the polymerization.

• 此外，只有具有足够多亲水-CH2-CH2-O-链节数的聚乙二醇大分子单体对N-异丙基丙烯酰胺聚合过程有稳定作用。