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Citation: Li Xiaoding, Li Yaohui, Shi Lizhong. DETERMINATION OF THE CRYSTALLINITY AND CRYSTAL SIZE OF DIFFERENT TYPE POLYSTYRENE(PST) POLYOXYETHYLENE(PEO) BLOCK COPOLYMERS BY X-RAY DIFFRACTION METHOD[J]. Chinese Journal of Applied Chemistry, ;1985, 2(4): 76-78. shu

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

1.
Hubei Research Institute of Chemistry

Corresponding author: Li Xiaoding,
Received Date: 24 October 1984
Available Online: 26 March 1985

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 in the order:BAB > AB > ABA.
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