| 摘要 |
2083279 9217519 PCTABS00016 Copolyethylene terephthalate containing from 10 to 25 % by weight of the resin of units deriving from isophthalic acid, having intrinsic viscosity higher than 0.85 dl/g, melting point lower than 220 ·C and crystallization properties such as to solidify from the melt to the amorphous form also by low cooling rate (1 ·C/min).
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