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.
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