1 Introduction</h5> Among the various types of polyesters, a series of arylate polyesters with the methylene segments of various lengths (–[–COC 6 H 4 CO–O(CH 2 ) m O–] n –) are being attractive both scientifically and industrially [1,2] . They are called here mGT, among which 2GT (PET), 3GT and 4GT are industrially utilized in a wide application field. The many basic knowledge of these polyesters was accumulated as seen in many literature [1–3] . For the members of m = 5–9 the crystallization behaviors including the spherulite formation were mostly studied [4–11] . Still much less information is known about the polyester members with longer methylene segments, although the synthesis of the members of m up to 20 was reported in a literature [12,13] . When the m value is increased infinitely, the polyester approaches polyethylene –[–CH 2 CH 2 –] n –. However, the presence of rigid benzene–ester parts might disturb the regular and compact packing of the long methylene segments, and a sensitive balance between the flexible methylene segments and the hard benzene–ester parts might give us a chance to realize an unexpectedly interesting property.</P>We focus our attention here on relationship between the chain
Polymer – Elsevier
Published: Apr 1, 2014
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