important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">英文名：Sodium polyacrylate，缩写PAAS或简称PAA-Na important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 结构式为[－CH2－CH(COONa)]n－ important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 分子式：[C3H3O2Na]n important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 分子量：一般10-10数量级 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 密度：1.32g/mLat 25°C important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 折射率：n20/D 1.43 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 分子结构： important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> CAS号：【9003-04-7】 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 性质：是—种水溶性高分子化合物important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">。商品形态的聚丙烯酸钠，相对分子质量important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">小到几百，大到几千万，外观为无色或淡黄色液体、粘稠液体、凝胶、树脂或固体粉末，易溶于水。因中和程度不同，水溶液的pH一般在6-9。能电离，有或无腐蚀性。易溶于氢氧化钠important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">水溶液，但在氢氧化钙、氢氧化镁等水溶液中随碱土金属离子数量增加，先溶解后沉淀。无毒。
食品级聚丙烯酸钠important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 1、增稠剂。在食品中有如下：（1）增强原料面粉中的蛋白质粘结力。（2）使淀粉粒子相互结合，分散渗透至蛋白质的网状结构中。（3）形成质地致密的面团，表面important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">光滑而具有光泽。（4）形成稳定的面团胶体，防止可溶性淀粉渗出。（5）保水性强，使水分均匀保持于面团中，防止干燥。（6）提高面团的延展性。（7）使原料中的油脂成分稳定地分散至面团中。2、作为电解质与蛋白质相互作用，改变蛋白质结构，增强食品的粘弹性，改善组织。3、应用举例：（1）面包、蛋糕、面条类、通心面、提高原材料利用率important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">，改善口感和风味。用量0.05%。（2）水产糜状制品、罐头食品、紫菜干等，强化组织，保持新鲜味，增强味感（3）调味酱、番茄沙司、蛋黄酱、果酱、稀奶油、酱油，增稠剂及稳定剂。（4）果汁、酒类等，分散剂。（5）冰淇淋、卡拉蜜尔糖，改善味感及稳定性。（6）冷冻食品、水产加工品，表面胶冻剂（保鲜）。4、由于在水中溶解较慢，可预先与砂糖、粉末淀粉糖浆、乳化剂important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">等混合，以提高溶解速度。5、作糖液、盐水、饮料等的澄清剂（高分子凝聚剂）。important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">食品安全：。国外从上世纪六十年代就开始将聚丙烯酸钠用于多种食品的增稠、增筋和保鲜等, 是美国FDA、日本important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">厚生省等批准使用的食品添加剂, 2000年中国important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">卫生部也正式批准为食品级增稠剂。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 使用限量：按照我国食品添加剂标准规定。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 水处理剂——分散剂 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 水处理剂——分散剂：小相对分子质量的用于水处理，可在碱性和中浓缩倍数条件下运行而不结垢。PAAS能将碳酸钙、硫酸钙等盐类的微晶或泥沙分散于水中而不沉淀，从而达到阻垢目的。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> PAAS是一种常用的分散剂，除了用于水处理还，还广泛大量应用于造纸、纺织、印染行业做浆料分散剂，用于陶瓷工业做碳酸钙分散剂，用于涂料行业做颜料分散剂等。工业聚丙烯酸钠important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 聚丙烯酸钠是成熟工业产品,有行业标准。标准号为：HG/T2838-1997。标准规定产品外观为无色至黄色液体，固含量大于等于30%。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 高相对分子质量的用于絮凝剂。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 水处理剂——絮凝剂 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> ：聚丙烯酸钠是一种线状、可溶性的高分子化合物，其分子链上的羧基由于静电相斥作用，使得曲绕的聚合物链伸展，促成具有吸附性的功能团外露到表面上来，由于这些活性点吸附在溶液中悬浮粒子上，形成粒子间的架桥，从而加速了悬浮粒子的沉降。 作为絮凝剂的聚丙烯酸钠其相对分子质量可达几百万，其商品形态为黄色粘稠液体，固含量或达8%许，相应特性粘数η≥3.40。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 聚丙烯酸钠絮凝剂是特别适用于烧碱和纯碱行业盐水精制、氧化铝生产的赤泥沉降分离、味精厂废水中蛋白质回收和制糖等行业的高分子材料。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 造纸化学品 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 造纸化学品important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">造纸涂料上作为分散剂。的相对分子质量是2000-3000。商品形态一般是30%或42%固含量。粘度小于600mPa.s。外观无色透明至琥珀色液体。pH在6-9之间。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 其他领域 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 水性涂料，其分散作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 纺织印染助剂important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">，起浆料分散作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 陶瓷加工助剂，起分散作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 洗涤剂中作为洗涤助剂，起分散作用；防污垢再沉积作用和增稠作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 油田上作为堵漏剂； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 农业上作为土壤保湿剂； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 医药上作为药物载体； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 化肥工业作为化肥的控释剂； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> 作为高吸水树脂important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋体, sans-serif; text-transform: none; color: rgb(0,0,0); text-indent: 0px; white-space: normal; letter-spacing: normal; background-color: rgb(255,255,255); orphans: 2; widows: 2; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">应用于尿布、卫生巾等。
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