TY  - SER
AU  - li, Fengkui
AU  - Hou, Jianan
AU  - Xu, Mao
TI  - Crystalilnity and Morphology of Segmented Polyurethanes with  Different Soft-Segment Length
KW  - Crystalilnity
KW  - Polyurethanes
KW  - Soft-Ssegment Length
ER  -