2) quaternary ammonium type cationic starch
季铵型阳离子淀粉
1.
Preparation and application of quaternary ammonium type cationic starch flocculant;
季铵型阳离子淀粉絮凝剂的制备及其应用
2.
Study on synthesis of quaternary ammonium type cationic starch;
季铵型阳离子淀粉的合成研究
3.
This paper preliminarily studied the strengthening of the quaternary ammonium type cationic starch on wastepaper recycling.
减轻废纸在回收利用过程中的强度降低的趋势对废纸的再生循环利用有着极其重要的作用,本文对季铵型阳离子淀粉在废纸回用过程中的增强效果进行了初步研究。
3) cationic starch ether
季铵型阳离子淀粉醚
1.
The cationic starch ether was prepared by the reaction of starch (Ⅰ) and 3 chloro 2 hydroxypropyltrimethylammonium chloride (Ⅱ) in the solvent of methanol under alkaline condition.
以精制淀粉 (Ⅰ )与 3 氯 2 羟丙基三甲基氯化铵 (Ⅱ )为原料 ,甲醇为溶剂 ,在碱性条件下合成季铵型阳离子淀粉醚。
4) cationic quaternary ammonium salt
阳离子型季铵盐
1.
The result indicated that cationic quaternary ammonium salt decolorizer was a kind of effectual decolorizer for leather dye wastewater.
选用两种阳离子型季铵盐类絮凝剂处理皮革黄L-2R模拟染料废水,考察了加药量、pH以及反应时间对脱色率和CODCr去除效果的影响。
5) chlorohydroxypropyltrimethylammonium chloride
季铵型阳离子淀粉醚化剂
1.
The emphasis was laid on its application in preparing paper chemicals such as polyamideamine-epichlorohydrin(PAE)and its modification product as well as chlorohydroxypropyltrimethylammonium chloride(CHPTA)which is an etherification agent used to prepare quaternary ammonium type cationic starch.
该文介绍了环氧氯丙烷国内供需现状及其在造纸工业中应用,着重阐述了环氧氯丙烷在聚酰胺多胺-环氧氯丙烷及其改性物、季铵型阳离子淀粉醚化剂的制备中的应用。
6) cationic starch benzoate
季铵型阳离子淀粉苯甲酸酯
1.
In this thesis, the cationic starch was hydrophobically modified with benzoyl group which was selected as the hydrophobic group, and preparation and properties of cationic starch benzoate were studied.
以季铵型阳离子淀粉作原料,以乙醇和水混合溶液作为溶剂,苯甲酰氯作为疏水化试剂,合成了两亲性的高取代度的季铵型阳离子淀粉苯甲酸酯。
补充资料:季铵盐
分子式:
CAS号:
性质:又称四级铵盐。可用氨或胺的彻底烃基化反应得到,通式可用R4N+X-表示,R可以是饱和基团、不饱和基团和芳香基团等,可相同也可不相同。是一类离子型物质,多为白色晶体或粉状。溶于水,不溶于乙醚。熔点较高,一般在熔点时分解。与碱作用生成季铵碱。是一类优良相转移催化剂(例如氯化三乙基苯甲基铵,TEBA)、阳离子表面活性剂(例如皂胺)、植物生长刺激素(例如矮壮素chlormequat chloride,C1CH2CH2N(CH3)3C1)、医药(例如,抗热药物氯化氨甲酰甲胆碱H2NC-CCHCH2N(CH3)3C1-),以及有机合成试剂等。
CAS号:
性质:又称四级铵盐。可用氨或胺的彻底烃基化反应得到,通式可用R4N+X-表示,R可以是饱和基团、不饱和基团和芳香基团等,可相同也可不相同。是一类离子型物质,多为白色晶体或粉状。溶于水,不溶于乙醚。熔点较高,一般在熔点时分解。与碱作用生成季铵碱。是一类优良相转移催化剂(例如氯化三乙基苯甲基铵,TEBA)、阳离子表面活性剂(例如皂胺)、植物生长刺激素(例如矮壮素chlormequat chloride,C1CH2CH2N(CH3)3C1)、医药(例如,抗热药物氯化氨甲酰甲胆碱H2NC-CCHCH2N(CH3)3C1-),以及有机合成试剂等。
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参考词条