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Citation: Yan Rongiiang, Li Guang, Yang Bingxin. Morphologic Structure of Blends of Elastomeric Polyurethane with Polycarbonate[J]. Chinese Journal of Applied Chemistry, ;1994, 11(3): 62-65. shu

Morphologic Structure of Blends of Elastomeric Polyurethane with Polycarbonate

1.
Polymer Physics Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022

Received Date: 8 June 1993
Available Online: 16 December 1993

Structure of elastomeric polyurethane (PU)/polycarbonate (PC) blends obtained ria dissolvation in DMF has been studied by DSC,wide angle X-ray diffraction (WAXD),and small angle X-ray scattering (SAXS).In the blends,the glass transition temperature of PU increases with increasing the content of PC,the melting point of PC crystals is lower than that of pure PC.All the samples have a peak at the close positions on their SAXS curves.The results show that PU and PC are partially miscible and the long period of PU's micro-phases is close to that of the solvent-induced crystal of PC.
- polycarbonate,
- polyurethane,
- blend,
- miscibility,
- morphological structure
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