应用化工
應用化工
응용화공
APPLIED CHEMICAL INDUSTRY
2015年
4期
659-662
,共4页
宋军旺%郭睿%刘甲斌%王博涛
宋軍旺%郭睿%劉甲斌%王博濤
송군왕%곽예%류갑빈%왕박도
木质素磺酸钠%衣康酸%接枝共聚
木質素磺痠鈉%衣康痠%接枝共聚
목질소광산납%의강산%접지공취
sodium lignosulphonate%itaconic acid%graft polymerization
采用木质素磺酸钠、衣康酸为原料,合成了一种新型的水煤浆分散剂( LI),探讨了衣康酸单体用量、引发剂用量、反应时间、反应温度对水煤浆表观黏度的影响,利用傅里叶红外光谱( FTIR)对其结构进行了表征,并对产物作水煤浆性能测试。结果表明,优化后的工艺条件为反应温度75℃,反应时间4.5 h,ω( K2 S2 O8)=3.5%,衣康酸单体用量20%;衣康酸与木质素磺酸钠接枝聚合成功;接枝产物所制浆体ζ电位值更高,静态稳定性更好。
採用木質素磺痠鈉、衣康痠為原料,閤成瞭一種新型的水煤漿分散劑( LI),探討瞭衣康痠單體用量、引髮劑用量、反應時間、反應溫度對水煤漿錶觀黏度的影響,利用傅裏葉紅外光譜( FTIR)對其結構進行瞭錶徵,併對產物作水煤漿性能測試。結果錶明,優化後的工藝條件為反應溫度75℃,反應時間4.5 h,ω( K2 S2 O8)=3.5%,衣康痠單體用量20%;衣康痠與木質素磺痠鈉接枝聚閤成功;接枝產物所製漿體ζ電位值更高,靜態穩定性更好。
채용목질소광산납、의강산위원료,합성료일충신형적수매장분산제( LI),탐토료의강산단체용량、인발제용량、반응시간、반응온도대수매장표관점도적영향,이용부리협홍외광보( FTIR)대기결구진행료표정,병대산물작수매장성능측시。결과표명,우화후적공예조건위반응온도75℃,반응시간4.5 h,ω( K2 S2 O8)=3.5%,의강산단체용량20%;의강산여목질소광산납접지취합성공;접지산물소제장체ζ전위치경고,정태은정성경호。
The new surfactant ( LI) was synthesized by itaconic acid and lignosulphonate .The effects of the dosage of itaconic acid ,the dosage of initiator ,reaction time and reaction temperature on apparent viscosi-ty of coal water slurry were examined .The structure of the products was characterized by FTIR .And the performance testing of coal water slurry was studied .The results showed that the optimum conditions of the reaction were:75 ℃of the reaction temperature ,4.5 h of the reaction time ,ω( K2 S2 O8 ) =3.5% and 20%content of the itaconic acid;the graft polymerization of itaconic acid and sodium lignosulphonate had been obtained;the coal water slurry had higher ζpotential value ,and the static stability of coal water slur-ry was better .