聚丙(bing)烯(xi)酰(xian)胺(an)溶液粘度隨水(shui)(shui)解(jie)(jie)時(shi)間(jian)(jian)(jian)的延長(chang)而改變，水(shui)(shui)解(jie)(jie)時(shi)間(jian)(jian)(jian)短，粘度較小(xiao)，這(zhe)可能是(shi)(shi)由于高聚物還來不及形成(cheng)網狀結構所(suo)致；水(shui)(shui)解(jie)(jie)時(shi)間(jian)(jian)(jian)過(guo)長(chang)，粘度下(xia)降(jiang)，這(zhe)是(shi)(shi)聚丙(bing)烯(xi)酰(xian)胺(an)在溶液中(zhong)結構發(fa)生松解(jie)(jie)所(suo)致。部(bu)分(fen)水(shui)(shui)解(jie)(jie)聚丙(bing)烯(xi)酰(xian)胺(an)溶于水(shui)(shui)后離解(jie)(jie)成(cheng)帶負電荷(he)的大分(fen)子(zi)(zi)，分(fen)子(zi)(zi)間(jian)(jian)(jian)靜電排斥作用以及同(tong)一分(fen)子(zi)(zi)上(shang)不同(tong)鏈節之(zhi)間(jian)(jian)(jian)的陰離子(zi)(zi)排斥力導(dao)致分(fen)子(zi)(zi)在溶液中(zhong)伸展并能使分(fen)子(zi)(zi)之(zhi)間(jian)(jian)(jian)相互纏繞，這(zhe)就是(shi)(shi)部(bu)分(fen)水(shui)(shui)解(jie)(jie)聚丙(bing)烯(xi)酰(xian)胺(an)能使其溶液粘度明(ming)顯增加(jia)的原(yuan)因。
