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如何延長聚丙烯酰胺PAM溶液的保存時間?

點擊次數:427  更新時間:2023-08-28

如何延(yan)長聚(ju)丙烯酰胺(an)PAM溶(rong)液的保存(cun)時間?


問:如(ru)何(he)延長聚丙烯(xi)酰胺溶液的保存時間?

答:1.使用脫鹽水(shui)(shui)的(de)蒸餾水(shui)(shui)配(pei)(pei)置聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye),聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)的(de)保(bao)存(cun)(cun)時間可(ke)以(yi)(yi)(yi)延長到半個(ge)月左右。但使用 蒸餾水(shui)(shui)配(pei)(pei)置聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)成本較高。2.增(zeng)加(jia)(jia)聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)的(de)配(pei)(pei)置濃度,陽(yang)離子(zi)可(ke)以(yi)(yi)(yi)配(pei)(pei)置濃度為 2% 的(de)溶(rong)(rong)液(ye)(ye)(ye),陰(yin)離子(zi)可(ke)以(yi)(yi)(yi)配(pei)(pei)置濃度為 1% 的(de)溶(rong)(rong)液(ye)(ye)(ye),配(pei)(pei)置濃度再(zai)高的(de)話,聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)就很難完(wan)溶(rong)(rong)解了。但這(zhe)樣聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)的(de)保(bao)存(cun)(cun)時間也不(bu)會超過 10 天(tian),并(bing)且使用時還要(yao)稀釋,比較麻煩。3.先(xian)往聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)解水(shui)(shui)里加(jia)(jia)穩(wen)定劑,再(zai)配(pei)(pei)置聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)。這(zhe)樣的(de)話聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)可(ke)以(yi)(yi)(yi)保(bao)存(cun)(cun) 30 天(tian)。此種方(fang)案比較可(ke)行,但聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)的(de)穩(wen)定劑要(yao)選(xuan)好。4.聚(ju)(ju)丙(bing)(bing)(bing)(bing)(bing)(bing)烯(xi)(xi)酰(xian)(xian)胺(an)溶(rong)(rong)液(ye)(ye)(ye)的(de)降(jiang)(jiang)解還和溫度有關(guan),降(jiang)(jiang)低溫度也可(ke)以(yi)(yi)(yi)延長保(bao)存(cun)(cun)時間。如(ru)果量小可(ke)以(yi)(yi)(yi)加(jia)(jia)蓋,放(fang)入(ru)冰箱的(de)保(bao)鮮層存(cun)(cun)放(fang)。


問:聚(ju)丙(bing)烯(xi)酰胺(an)在印染行(xing)業作用有哪些(xie)?

答:1、在紡織工業(ye)中,聚丙烯酰胺絮(xu)凝劑(ji)(ji)作(zuo)為織物(wu)后處置的上漿劑(ji)(ji),整理(li)劑(ji)(ji),可以(yi)生成柔順,防皺(zhou),耐霉菌(jun)的維護(hu)層(ceng),起到保護(hu)作(zuo)用。2、絮(xu)凝劑(ji)(ji)作(zuo)后處置劑(ji)(ji)可以(yi)防止(zhi)織物(wu)的靜電和(he)阻(zu)燃。3、用來當(dang)做印染(ran)助劑(ji)(ji)時,可以(yi)將商品附著密度大,鮮艷度高,還能(neng)做漂白(bai)的非硅高分子(zi)波動劑(ji)(ji)。4、關于(yu)印染(ran)紡織行(xing)業(ye)的污(wu)水(shui)排放(fang)具(ju)有很好的污(wu)染(ran)的功用。


問:聚丙(bing)烯酰(xian)胺結塊了是什么原因?

答:任何產(chan)品(pin)都有(you)(you)保(bao)質期,聚丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)胺也一(yi)樣,一(yi)旦超(chao)出期限,可能會(hui)產(chan)生結塊現象,同(tong)時降低了粘度;另外(wai)就(jiu)是受氣候的影(ying)響,潮濕環境下也容(rong)易(yi)導(dao)致(zhi)聚丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)胺結塊,而且不(bu)容(rong)易(yi)化解(jie)開,這無疑中(zhong)增加了產(chan)品(pin)資源(yuan)的浪費。除(chu)了以(yi)上這兩點,還有(you)(you)別的因素影(ying)響。1、操(cao)作不(bu)當、溶(rong)解(jie)速(su)度過(guo)快、給(gei)藥不(bu)均(jun)勻、劑量(liang)(liang)過(guo)大等。聚丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)胺一(yi)種線型高(gao)分(fen)(fen)子(zi)(zi)(zi)聚合物,產(chan)品(pin)主要分(fen)(fen)為(wei)(wei)干粉和(he)膠體兩種形式(shi)。按其平均(jun)分(fen)(fen)子(zi)(zi)(zi)量(liang)(liang)可分(fen)(fen)為(wei)(wei)低分(fen)(fen)子(zi)(zi)(zi)量(liang)(liang)、中(zhong)分(fen)(fen)子(zi)(zi)(zi)量(liang)(liang)和(he)高(gao)分(fen)(fen)子(zi)(zi)(zi)量(liang)(liang)三(san)類。按其結構又(you)可分(fen)(fen)為(wei)(wei)非離(li)子(zi)(zi)(zi)型、陰(yin)離(li)子(zi)(zi)(zi)型和(he)陽離(li)子(zi)(zi)(zi)型。陰(yin)離(li)子(zi)(zi)(zi)型多為(wei)(wei)PAM 的水(shui)(shui)解(jie)體。由于(yu)聚丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)胺的延(yan)遲溶(rong)解(jie),導(dao)致(zhi)結塊。2、溶(rong)解(jie)水(shui)(shui)的溫度的影(ying)響,或(huo)者通過(guo)定量(liang)(liang)給(gei)料(liao)溶(rong)解(jie)的水(shui)(shui)不(bu)干凈,例如,水(shui)(shui)含(han)有(you)(you)更多懸(xuan)浮物質,導(dao)致(zhi)聚丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)胺結塊。3、攪拌不(bu)均(jun)勻會(hui)導(dao)致(zhi)溶(rong)解(jie)槽死角等。4、藥劑質量(liang)(liang)差或(huo)含(han)有(you)(you)雜質。