The poly （butylene sucinate-co-terphthalate）（PBST） copolyesters with differnet monocs of the PBST has been investigated by differential scanning calorimeter（DSC）.According to Avrami equation,the exponent n for ...The poly （butylene sucinate-co-terphthalate）（PBST） copolyesters with differnet monocs of the PBST has been investigated by differential scanning calorimeter（DSC）.According to Avrami equation,the exponent n for all the copolyesters is independent of the crystallization temperature and content of BT units,and is close to 3,which probably corresponds to the heterogeneous nucleation and a 3-dimensional spherulitic growth.Polarized light micrographs confimed the result.展开更多
文摘The poly （butylene sucinate-co-terphthalate）（PBST） copolyesters with differnet monocs of the PBST has been investigated by differential scanning calorimeter（DSC）.According to Avrami equation,the exponent n for all the copolyesters is independent of the crystallization temperature and content of BT units,and is close to 3,which probably corresponds to the heterogeneous nucleation and a 3-dimensional spherulitic growth.Polarized light micrographs confimed the result.
