Chinese Journal of Applied Chemistry

Chinese Journal of Applied Chemistry ›› 1985, Vol. 0 ›› Issue (4): 76-78.

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DETERMINATION OF THE CRYSTALLINITY AND CRYSTAL SIZE OF DIFFERENT TYPE POLYSTYRENE(PST)POLYOXYETHYLENE(PEO)BLOCK COPOLYMERS BY X-RAY DIFFRACTION METHOD

Li Xiaoding, Li Yaohui, Shi Liezhong   

  1. Hubei Research Institute of Chemistry
  • Received:1984-10-24 Revised:1985-03-26 Published:1985-12-10 Online:1985-12-10

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Abstract: The crystallinity and crystal size of different type polystyrene (PST) -polyoxyethy-lene (PEO) block copolymers and the same type block copolymers with different PEO contents have been determined by X-ray diffraction method.It was found that the crystallinity and crystal size increase with the increase of the PEO content and decrease inthe order: BAB>AB>ABA.

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