聚丙烯酸鈉

important; float: none; word-spacing: 0px; font: 14px/25px arial, 宋體, 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">聚丙烯酸鈉是一種新型功能高分子材料important; float: none; word-spacing: 0px; font: 14px/25px arial, 宋體, 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">和重要化工產(chǎn)品，固態(tài)產(chǎn)品為白色(或淺黃色)塊狀或粉末，液態(tài)產(chǎn)品為無(wú)色(或淡黃色)粘稠液體。溶解于冷水、溫水、甘油、丙二醇等介質(zhì)中，對(duì)溫度變化穩(wěn)定，具有固定金屬離子的作用，能阻止金屬離子對(duì)產(chǎn)品的消極作用，是一種具有多種特殊性能的表面活性劑important; float: none; word-spacing: 0px; font: 14px/25px arial, 宋體, 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">。
important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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，縮寫PAAS或簡(jiǎn)稱PAA-Na important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　結(jié)構(gòu)式為[－CH2－CH(COONa)]n－ important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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, 宋體, 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數(shù)量級(jí) important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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, 宋體, 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, 宋體, 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">　　分子結(jié)構(gòu)： important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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號(hào)：【9003-04-7】 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　性質(zhì)：是—種水溶性高分子化合物important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">。商品形態(tài)的聚丙烯酸鈉，相對(duì)分子質(zhì)量important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">小到幾百，大到幾千萬(wàn)，外觀為無(wú)色或淡黃色液體、粘稠液體、凝膠、樹脂或固體粉末，易溶于水。因中和程度不同，水溶液的pH一般在6-9。能電離，有或無(wú)腐蝕性。易溶于氫氧化鈉important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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，但在氫氧化鈣、氫氧化鎂等水溶液中隨堿土金屬離子數(shù)量增加，先溶解后沉淀。無(wú)毒。


 食品級(jí)聚丙烯酸鈉important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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、增稠劑。在食品中有如下：（1）增強(qiáng)原料面粉中的蛋白質(zhì)粘結(jié)力。（2）使淀粉粒子相互結(jié)合，分散滲透至蛋白質(zhì)的網(wǎng)狀結(jié)構(gòu)中。（3）形成質(zhì)地致密的面團(tuán)，表面important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">光滑而具有光澤。（4）形成穩(wěn)定的面團(tuán)膠體，防止可溶性淀粉滲出。（5）保水性強(qiáng)，使水分均勻保持于面團(tuán)中，防止干燥。（6）提高面團(tuán)的延展性。（7）使原料中的油脂成分穩(wěn)定地分散至面團(tuán)中。2、作為電解質(zhì)與蛋白質(zhì)相互作用，改變蛋白質(zhì)結(jié)構(gòu)，增強(qiáng)食品的粘彈性，改善組織。3、應(yīng)用舉例：（1）面包、蛋糕、面條類、通心面、提高原材料利用率important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">，改善口感和風(fēng)味。用量0.05%。（2）水產(chǎn)糜狀制品、罐頭食品、紫菜干等，強(qiáng)化組織，保持新鮮味，增強(qiáng)味感（3）調(diào)味醬、番茄沙司、蛋黃醬、果醬、稀奶油、醬油，增稠劑及穩(wěn)定劑。（4）果汁、酒類等，分散劑。（5）冰淇淋、卡拉蜜爾糖，改善味感及穩(wěn)定性。（6）冷凍食品、水產(chǎn)加工品，表面膠凍劑（保鮮）。4、由于在水中溶解較慢，可預(yù)先與砂糖、粉末淀粉糖漿、乳化劑important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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、鹽水、飲料等的澄清劑（高分子凝聚劑）。important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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：。國(guó)外從上世紀(jì)六十年代就開始將聚丙烯酸鈉用于多種食品的增稠、增筋和保鮮等, 是美國(guó)FDA、日本important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">厚生省等批準(zhǔn)使用的食品添加劑, 2000年中國(guó)important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">衛(wèi)生部也正式批準(zhǔn)為食品級(jí)增稠劑。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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：按照我國(guó)食品添加劑標(biāo)準(zhǔn)規(guī)定。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　水處理劑——分散劑 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　水處理劑——分散劑：小相對(duì)分子質(zhì)量的用于水處理，可在堿性和中濃縮倍數(shù)條件下運(yùn)行而不結(jié)垢。PAAS能將碳酸鈣、硫酸鈣等鹽類的微晶或泥沙分散于水中而不沉淀，從而達(dá)到阻垢目的。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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是一種常用的分散劑，除了用于水處理還，還廣泛大量應(yīng)用于造紙、紡織、印染行業(yè)做漿料分散劑，用于陶瓷工業(yè)做碳酸鈣分散劑，用于涂料行業(yè)做顏料分散劑等。工業(yè)聚丙烯酸鈉important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　聚丙烯酸鈉是成熟工業(yè)產(chǎn)品,有行業(yè)標(biāo)準(zhǔn)。標(biāo)準(zhǔn)號(hào)為：HG/T2838-1997。標(biāo)準(zhǔn)規(guī)定產(chǎn)品外觀為無(wú)色至黃色液體，固含量大于等于30%。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　高相對(duì)分子質(zhì)量的用于絮凝劑。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　水處理劑——絮凝劑 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　?。壕郾┧徕c是一種線狀、可溶性的高分子化合物，其分子鏈上的羧基由于靜電相斥作用，使得曲繞的聚合物鏈伸展，促成具有吸附性的功能團(tuán)外露到表面上來(lái)，由于這些活性點(diǎn)吸附在溶液中懸浮粒子上，形成粒子間的架橋，從而加速了懸浮粒子的沉降。 作為絮凝劑的聚丙烯酸鈉其相對(duì)分子質(zhì)量可達(dá)幾百萬(wàn)，其商品形態(tài)為黃色粘稠液體，固含量或達(dá)8%許，相應(yīng)特性粘數(shù)η≥3.40。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　聚丙烯酸鈉絮凝劑是特別適用于燒堿和純堿行業(yè)鹽水精制、氧化鋁生產(chǎn)的赤泥沉降分離、味精廠廢水中蛋白質(zhì)回收和制糖等行業(yè)的高分子材料。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　造紙化學(xué)品 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　造紙化學(xué)品important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">造紙涂料上作為分散劑。的相對(duì)分子質(zhì)量是2000-3000。商品形態(tài)一般是30%或42%固含量。粘度小于600mPa.s。外觀無(wú)色透明至琥珀色液體。pH在6-9之間。 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　其他領(lǐng)域 important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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, 宋體, 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">　　紡織印染助劑important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">，起漿料分散作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　陶瓷加工助劑，起分散作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　洗滌劑中作為洗滌助劑，起分散作用；防污垢再沉積作用和增稠作用； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　油田上作為堵漏劑； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　農(nóng)業(yè)上作為土壤保濕劑； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　醫(yī)藥上作為藥物載體； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　化肥工業(yè)作為化肥的控釋劑； important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">　　作為高吸水樹脂important; float: none; word-spacing: 0px; font: 14px/24px arial, 宋體, 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">應(yīng)用于尿布、衛(wèi)生巾等。

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