| 1. | Optimization of synthetic process of aqueous cationic etherifying agent
新型清洁压裂液的室内合成及性能研究 |
| 2. | Alkyl etherified resin
烷基醇醚化树脂 |
| 3. | 5386 - 60 is a partially methanol etherified amino resin . it has rapid curing and lower baking temperature
5386 - 60树脂是一种部分甲醚化的氨基树脂，固化反应快烘烤温度低。 |
| 4. | The applications of etherified end group capped polyether in the fields such as cleaning , textile dyeing and printing , food processing and synthesizing polyether modified organosilicon were introduced through practical examples
并通过实例介绍了醚化封端聚醚在清洗、纺织印染、食品加工及在合成聚醚改性有机硅等领域的应用。 |
| 5. | Meanwhile , the pervaporation of pvb membrane containing etherified p - cd and ca membrane containing etherified p - cd were measured respectively , obtaining a permeation flux greater than other membranes with p - cd
同时，测试了醚化- cd与聚乙烯醇缩丁醛( pvb )共混膜，醚化- cd与ca共混膜的渗透汽化性能，获得了比较理想的渗透通量。 |
| 6. | The research progress in graft copolymers starch , ionized modified starch such as etherified starch and xanthate modified starch , and theirs application in water treatment were introduced
针对接枝类改性淀粉絮凝剂、离子化改性淀粉絮凝剂如淀粉醚类化合物以及淀粉黄原酸脂类等天然改性淀粉絮凝剂的研究进展及在水处理中的应用进行了综述。 |
| 7. | The title mid - etherified melamine - formaldehyde resin was synthesized in two steps and used as a curing agent of water borne paint , the best reaction conditions were investigsted , in ferms of the influence of temperature , time and catalyst
摘要采用两步法合成了用于涂料交联剂的甲醚化三聚氰胺树酯，考察了温度、时间、催化利等因素对交联剂中不同组分含量的影响。 |
| 8. | The main synthetic methods of etherified end group capped polyether , the molecular structure of etherified end group capped polyether influencing on the product characteristics and the technical progress of etherified end group capped polyether in recent years were discussed emphatically
摘要重点论述了醚化封端聚醚的主要合成方法、醚化封端聚醚的分子结构对产品特性的影响，以及近年来醚化封端聚醚的技术进展。 |
| 9. | These years we have developed strongly acidic macroreticular catalysts based on styrene dvb . catalyst resin d006 for mtbe tame etbe , also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification . d008 for sba ipa , also can be used for making methyl ethyl ketone by acetone one - stepping process , tert - butanol by isobutene hydration , etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol , high
以上，增强了催化活性，从而延长了使用寿命，提高了周期产量二低温活性好，选择性强，提高了mtbe的纯度，降低了杂质含量三在同样装置中，可增大负荷，提高产量，降低生产成本和费用。 |
| 10. | As to the separation of p - xylene / m - xylene , in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene , etherified p - cd was synthesized using benzyl chloride ( phch2cl ) . the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated . the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd
对于px mx体系的分离，为使对px具有优先络合能力的一环糊精( cd )能够与油溶性高分子共混，本文采用williamson合成法运用氯化苄( phch _ 2cl )使-环糊精( - cd )醚化，并由元素分析结果，计算出醚化产物的取代度和转化率，系统地考察了反应条件对转化率和取代度的影响。 |
