本发明与端双羟基官能化遥爪聚合物的制备方法有关。
This invention relates to a method for preparing dihydroxyl-terminated telechelic polymer.
采用羟基官能度不同的马来酸酐改性蓖麻油(MCO)，合成了一系列软段含有离子基的聚氨酯水分散液(MCPU)。
A series of aqueous polyurethane dispersions (MCPU) with ionic groups in the soft segments were prepared with maleic anhydride modified castor oil (MCO) of various hydroxyl functionality.
热压成板后，憎水性羰基官能团增加，亲水性“自由的”羟基数量减少，增强了板的耐水性能。
After hot pressing, there was an increase in hydrophobic carbonyl and a decrease in hydrophilic hydroxyl, which could help to explain the good waterproof ability of the board.
结果发现，该絮凝剂XM 09是M09分泌至细胞外的代谢产物，是富含羟基和羧基官能团的多糖类物质。
Results showed that the flocculant XM09 was a metabolite secreted in the extracellular by strain M09, and it was a polysaccharide rich in hydroxyl and carboxyl functional groups.
从蓖麻油分子中羟基、酯基、烯键等官能团的化学反应出发，对种类繁多的蓖麻油化学品加工技术进行综述归类。
Many kinds of chemicals were made from castor oil. There production techniques were summarized and classified according to the reactions of hydroxy, ester group and olefinic bond.
研究表明氧化处理后活性炭的比表面积和孔容虽有减小，但炭表面的含氧官能团数量大幅增加，其中羟基的增幅最明显。
The results showed that after modification, the specific area and pore volume of ACs decreased while the content of oxygen functional groups, especially which of hydroxyl, increased obviously.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
将过滤介质上的羟基取代为其它官能团。
Hydroxyl groups on the filter medium are substituted to other functional groups.
本发明涉及一种端双羟基官能化的遥爪聚合物及其制备方法，其特征在于采用了易水 解离去的硅烷保护基团保护的引发剂。
This invention relates to a method for preparing dihydroxyl-terminated telechelic polymer. The method uses an initiator that can be easily hydrolyzed and is protected by silicane protective groups.
样品中孔炭的表面富含羟基、醚基等化学官能团，亲水性强，易于进行化学改性。
The surface chemical groups of hierarchical mesoporous carbon were mainly hydroxyl and carbonyl, so, it was easy to modify and introduce some new groups.
样品中孔炭的表面富含羟基、醚基等化学官能团，亲水性强，易于进行化学改性。
The surface chemical groups of hierarchical mesoporous carbon were mainly hydroxyl and carbonyl, so, it was easy to modify and introduce some new groups.
应用推荐