题目内容
HEMA是制备软质隐形眼镜的材料,其名称是聚甲基丙烯酸羟乙酯,则合成它的单体为( )
A.CH3-CH=CH-COOH、HOCH2CH2OH | B. |
C. | D.CH3-CH=CH-COOH、CH3CH2OH |
C
略
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题目内容
A.CH3-CH=CH-COOH、HOCH2CH2OH | B. |
C. | D.CH3-CH=CH-COOH、CH3CH2OH |