| 摘要 |
The present invention relates to a polymer of formula (I), which has a liquid crystalline side chain and exhibits switchable tackiness at a narrow temperature range around its isotropic transition temperature:wherein,R<1 >isR<2 >is selected from the group consisting of -SO2-, -C(O)-, -CH(COOH)-, -C(COOH)2-, -C(S)- and -C(NH)-;R<3 >is -CH2- or -CF2-;R<4 >is H or F;a is an integer ranging from 30 to 500;b is an integer ranging from 1 to 3; andc is an integer ranging from 3 to 20.
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