利用端环氧硅油(α,ω-ESO)和叔胺聚醚(TAM)的胺化开环反应,先合成了季铵化聚醚氨基硅油(QPEAS),然后用聚醚氨基硅专用乳化剂SAa将其乳化,制得了贮存稳定性与亲水性俱佳的聚醚氨基硅乳液。用红外光谱(IR)、纳米粒度仪、Zeta电位分析仪...利用端环氧硅油(α,ω-ESO)和叔胺聚醚(TAM)的胺化开环反应,先合成了季铵化聚醚氨基硅油(QPEAS),然后用聚醚氨基硅专用乳化剂SAa将其乳化,制得了贮存稳定性与亲水性俱佳的聚醚氨基硅乳液。用红外光谱(IR)、纳米粒度仪、Zeta电位分析仪和扫描电镜(SEM)对QPEAS及其乳液进行了表征和成膜性观察,并考察了叔胺聚醚链长、乳化剂用量以及助溶剂乙二醇丁醚用量对QPEAS整理棉织物应用性能的影响。结果表明:QPEAS乳液平均粒径54.8 nm,Zeta电位+32.6 m V,并且在织物纤维表面具有良好的成膜性。当叔胺聚醚为TAM-1 000,乳化剂用量为5%,EM用量为20%时,经QPEAS整理的织物柔软性和亲水性提高,白度基本不变,并具有较好的耐水洗性能。展开更多
Chemical reaction possibility was described quantitatively for the case of nitrotriazolam preparation with 2-clonazepam by using the data of two quantum chemical reactivity indices: net electrophilicity index and Wibe...Chemical reaction possibility was described quantitatively for the case of nitrotriazolam preparation with 2-clonazepam by using the data of two quantum chemical reactivity indices: net electrophilicity index and Wiberg bond order. Furthennore, relevant reaction mechanism was derived from tlie aspect of quantum chemistry. The results show that the indices used can quantitatively explain the chemical reactivity and reaction mechanism of the nitrotriazolam preparation. To validate the universal applicability of the proposed approach, the authors continued to use the quantum chemical reactivity indices to describe some classic chemical reactions, expecting to predict major issues related to physical organic chemistry, such as new chemical reactions and their mechanisms.展开更多
文摘利用端环氧硅油(α,ω-ESO)和叔胺聚醚(TAM)的胺化开环反应,先合成了季铵化聚醚氨基硅油(QPEAS),然后用聚醚氨基硅专用乳化剂SAa将其乳化,制得了贮存稳定性与亲水性俱佳的聚醚氨基硅乳液。用红外光谱(IR)、纳米粒度仪、Zeta电位分析仪和扫描电镜(SEM)对QPEAS及其乳液进行了表征和成膜性观察,并考察了叔胺聚醚链长、乳化剂用量以及助溶剂乙二醇丁醚用量对QPEAS整理棉织物应用性能的影响。结果表明:QPEAS乳液平均粒径54.8 nm,Zeta电位+32.6 m V,并且在织物纤维表面具有良好的成膜性。当叔胺聚醚为TAM-1 000,乳化剂用量为5%,EM用量为20%时,经QPEAS整理的织物柔软性和亲水性提高,白度基本不变,并具有较好的耐水洗性能。
文摘Chemical reaction possibility was described quantitatively for the case of nitrotriazolam preparation with 2-clonazepam by using the data of two quantum chemical reactivity indices: net electrophilicity index and Wiberg bond order. Furthennore, relevant reaction mechanism was derived from tlie aspect of quantum chemistry. The results show that the indices used can quantitatively explain the chemical reactivity and reaction mechanism of the nitrotriazolam preparation. To validate the universal applicability of the proposed approach, the authors continued to use the quantum chemical reactivity indices to describe some classic chemical reactions, expecting to predict major issues related to physical organic chemistry, such as new chemical reactions and their mechanisms.