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The crystal transformation of styrene-butadiene block copolymer, which has the attribute of shape-memory, has been studied. It is demonstrated from differential scanning calorimetry and wide-angle X-ray diffraction measurements that reversible crystal transformation takes place with temperature; two distinct crystal forms exist above and below the crystal transformation temperature of ~45°C.

Посилання на статтю:

Crystal transformation of styrene-butadiene block copolymer / K. Sakurai*, Y. Shirakawa, T. Kashiwagi and T. Takahashi // Polymer. – 1994. – Vol 35. – P. 4238-4239.

Crystal transformation of styrene-butadiene block copolymer - Завантажити.