固(gu)體(ti)聚丙(bing)烯(xi)酰(xian)胺(an)(acylamide)在使用(yong)之(zhi)前,一般都要(yao)將其固(gu)體(ti)溶(rong)合成(cheng)溶(rong)液,然(ran)后投加使用(yong)。聚丙(bing)烯(xi)酰(xian)胺(an)廠家聚丙(bing)烯(xi)酰(xian)胺(an)作為潤(run)滑劑(ji)、懸浮(fu)劑(ji)、粘土(tu)穩定劑(ji)、驅油(you)劑(ji)、降(jiang)失水劑(ji)和增稠劑(ji),在鉆井、酸化、壓裂(lie)、堵水、固(gu)井及二次采油(you)、三次采油(you)中得到(dao)了廣泛應用(yong),是一種極(ji)為重要(yao)的油(you)田化學品。
聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)按其結構又(you)(you)可(ke)分(fen)為(wei)(wei)非離(li)子(zi)型(xing)、陰(yin)離(li)子(zi)型(xing)和(he)陽離(li)子(zi)型(xing)。陰(yin)離(li)子(zi)型(xing)多為(wei)(wei)PAM 的(de)(de)(de)水(shui)(shui)解體(HPAM)。聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)的(de)(de)(de)主鏈(lian)上帶有(you)大量的(de)(de)(de)酰(xian)(xian)(xian)胺(an)(an)基(ji),化學活性(xing)很高(gao)(gao),可(ke)以改性(xing)制取(qu)許多聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)的(de)(de)(de)衍生物(wu),產(chan)品(pin)已廣泛應用(yong)于造紙、選礦(kuang)、采(cai)油、冶(ye)金、建(jian)材、污(wu)水(shui)(shui)處理等行業。聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)廠家聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)為(wei)(wei)白色(se)(se)粉末或者小顆(ke)粒狀物(wu),密度(du)為(wei)(wei)1.32g/cm3(23度(du)),玻(bo)璃化溫度(du)為(wei)(wei)188度(du),軟化溫度(du)近于210度(du),一般方法干(gan)燥(zao)(zao)時含有(you)少量的(de)(de)(de)水(shui)(shui),干(gan)時又(you)(you)會很快(kuai)從環境(jing)中(zhong)吸取(qu)水(shui)(shui)分(fen),用(yong)冷凍(dong)干(gan)燥(zao)(zao)法分(fen)離(li)的(de)(de)(de)均(jun)聚(ju)(ju)(ju)物(wu)是(shi)白色(se)(se)松軟的(de)(de)(de)非結晶(jing)固(gu)體,但是(shi)當從溶液中(zhong)沉(chen)淀并干(gan)燥(zao)(zao)后則(ze)為(wei)(wei)玻(bo)璃狀部分(fen)透(tou)明的(de)(de)(de)固(gu)體,完(wan)全(quan)干(gan)燥(zao)(zao)的(de)(de)(de)聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)PAM是(shi)脆性(xing)的(de)(de)(de)白色(se)(se)固(gu)體,商品(pin)聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)干(gan)燥(zao)(zao)通常是(shi)在(zai)(zai)適度(du)的(de)(de)(de)條件下(xia)干(gan)燥(zao)(zao)的(de)(de)(de),一般含水(shui)(shui)量為(wei)(wei)5%~15%,澆鑄在(zai)(zai)玻(bo)璃板上制備的(de)(de)(de)高(gao)(gao)分(fen)子(zi)膜,則(ze)是(shi)透(tou)明、堅硬、易碎的(de)(de)(de)固(gu)體。聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)聚(ju)(ju)(ju)丙(bing)(bing)(bing)烯(xi)酰(xian)(xian)(xian)胺(an)(an)是(shi)一種線(xian)型(xing)高(gao)(gao)分(fen)子(zi)聚(ju)(ju)(ju)合(he)物(wu),產(chan)品(pin)主要(yao)分(fen)為(wei)(wei)干(gan)粉和(he)膠體兩(liang)種形式。
按(an)其(qi)平(ping)均分(fen)(fen)子(zi)量(liang)(liang)(liang)可分(fen)(fen)為(wei)低分(fen)(fen)子(zi)量(liang)(liang)(liang)(<100 萬(wan))、中分(fen)(fen)子(zi)量(liang)(liang)(liang)(200~400 萬(wan))和高(gao)分(fen)(fen)子(zi)量(liang)(liang)(liang)(>700萬(wan))三類。現(xian)使(shi)用聚丙(bing)(bing)烯(xi)酰(xian)胺用于污(wu)泥污(wu)水處理(li)(li)(chǔ lǐ)行業比較(jiao),當(dang)天配制好的(de)(de) 溶(rong)(rong)(rong)液(ye)(ye)當(dang)天使(shi)用效果(guo)很理(li)(li)想,但是(shi)放置一段時間過(guo)后,溶(rong)(rong)(rong)液(ye)(ye)粘度(du)明顯下(xia)降(descend),效果(guo)也不(bu)好。那(nei)么主要(yao)是(shi)由哪些因素(factor)引起的(de)(de) 呢(ni)? 一般分(fen)(fen)子(zi)量(liang)(liang)(liang)越(yue)高(gao)的(de)(de) 聚丙(bing)(bing)烯(xi)酰(xian)胺的(de)(de) 溶(rong)(rong)(rong)液(ye)(ye)粘度(du)越(yue)大,這是(shi)因為(wei)聚丙(bing)(bing)烯(xi)酰(xian)胺大分(fen)(fen)子(zi)是(shi)細而長的(de)(de) 鏈狀體,在(zai)溶(rong)(rong)(rong)液(ye)(ye)中運動的(de)(de) 阻力很大。粘度(du)的(de)(de) 實質是(shi)反(fan)映(ying)溶(rong)(rong)(rong)液(ye)(ye)內(nei)磨(mo)擦力的(de)(de) 大小,亦稱為(wei)內(nei)磨(mo)擦系數(shu)。各種高(gao)分(fen)(fen)子(zi)有(you)機(ji)物的(de)(de) 溶(rong)(rong)(rong)液(ye)(ye)的(de)(de) 粘度(du)都(dou)比較(jiao)高(gao),并隨分(fen)(fen)子(zi)量(liang)(liang)(liang)升高(gao)而增大。測定(ding)高(gao)分(fen)(fen)子(zi)有(you)機(ji)物分(fen)(fen)子(zi)量(liang)(liang)(liang)的(de)(de) 一種方法,測定(ding)一定(ding)濃度(du)溶(rong)(rong)(rong)液(ye)(ye)在(zai)一定(ding)條件下(xia)的(de)(de) 粘度(du),再按(an)一定(ding)的(de)(de) 公式計算其(qi)分(fen)(fen)子(zi)量(liang)(liang)(liang),稱為(wei) ;推定(ding)分(fen)(fen)子(zi)量(liang)(liang)(liang) ;。
而聚丙烯(xi)酰(xian)胺溶液的(de)(de)(de) 特性(xing)(xing)粘(zhan)度(du)(du) [η] 與(yu)其分(fen)子(zi)量(liang)m 之間有(you)如下(xia)的(de)(de)(de) 指數函(han)數關系 : [η] = 3。73 × 10-4 × m 0.66 經驗(experience)表(biao)明(ming),聚丙烯(xi)酰(xian)胺的(de)(de)(de) 絮(xu)凝性(xing)(xing)能與(yu)它(ta)的(de)(de)(de) 溶液粘(zhan)度(du)(du)有(you)直接的(de)(de)(de) 關系,粘(zhan)度(du)(du)越(yue)高者性(xing)(xing)能越(yue)好,說分(fen)子(zi)量(liang)越(yue)高的(de)(de)(de) 聚丙烯(xi)酰(xian)胺產品性(xing)(xing)能越(yue)優;如果它(ta)的(de)(de)(de) 粘(zhan)度(du)(du)受到某些因素(su)的(de)(de)(de) 影響而降低(di)(reduce),其絮(xu)凝性(xing)(xing)能必然下(xia)降。