In the typical case of ethylcellulose/ acrylic acid (EC / AA) system, cholesteric (helical) Properties and the influence factors of ethylcellulose liquid crystals were studied.

• 以乙基纤维素／丙烯酸体系为例，对乙基纤维素液晶的胆甾相性质及其影响因素进行了研究，测定了体系胆甾相结构的螺距。