山东化工
山東化工
산동화공
SHANDONG CHEMICAL INDUSTRY
2011年
11期
27-30
,共4页
合成%高效减水剂%脂肪族羟基磺酸盐%加气%木质素磺酸盐改性
閤成%高效減水劑%脂肪族羥基磺痠鹽%加氣%木質素磺痠鹽改性
합성%고효감수제%지방족간기광산염%가기%목질소광산염개성
synthesis%high range water reducing agent%aliphatic hydroxyl sulphonate polymer%air entraining%modified by lignosulfate
采用木质素磺酸钙改性脂肪族高效减水剂,其适宜条件为:木质素磺酸盐的加入方式:聚合反应之前加入,添加量(质量分数)为20%[以减水剂(干基)计];工艺条件:n(醛):n(酮)=2.0,n(磺化剂):11(酮)=0.35,反应物质量浓度为0.44·g/mL,缩合反应温度为55℃,聚合反应温度为95℃,缩合反应时间为30min,聚合反应时间为120min;在适宜条件下制备的木质素磺酸盐改性的脂肪族减水剂的综合性能达到或超过了脂肪族减水剂的性能。
採用木質素磺痠鈣改性脂肪族高效減水劑,其適宜條件為:木質素磺痠鹽的加入方式:聚閤反應之前加入,添加量(質量分數)為20%[以減水劑(榦基)計];工藝條件:n(醛):n(酮)=2.0,n(磺化劑):11(酮)=0.35,反應物質量濃度為0.44·g/mL,縮閤反應溫度為55℃,聚閤反應溫度為95℃,縮閤反應時間為30min,聚閤反應時間為120min;在適宜條件下製備的木質素磺痠鹽改性的脂肪族減水劑的綜閤性能達到或超過瞭脂肪族減水劑的性能。
채용목질소광산개개성지방족고효감수제,기괄의조건위:목질소광산염적가입방식:취합반응지전가입,첨가량(질량분수)위20%[이감수제(간기)계];공예조건:n(철):n(동)=2.0,n(광화제):11(동)=0.35,반응물질량농도위0.44·g/mL,축합반응온도위55℃,취합반응온도위95℃,축합반응시간위30min,취합반응시간위120min;재괄의조건하제비적목질소광산염개성적지방족감수제적종합성능체도혹초과료지방족감수제적성능。
Using calcium lignosulphonate modified the modem SAF, the optimal conditions of synthesis of aliphatic hydroxyl sulphonate high range water reducing agent with air entraining were: lignosulfonate added way : before polymerization ; its adding (F): n(A) =2.0, n (S):n(A) =0.35, amount: 20% (SAF, dry base); process condition: n mass concentration of reactants 0.44 g/mL, condensation reaction temperature : 55℃ the polymerization temperature : 95℃, condensation reaction time : 30min, and polymerization time: 120min. Aliphatic hydroxyl sulphonate modified lignin sulfonates prepared in the optimal conditions had comprehensive performances or exceeded aliphatic high range water reducing agent performances.