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FIBRE DE RÉSINE D'ACIDE POLYLACTIQUE, FIBRE LONGUE D'ACIDE POLYLACTIQUE, FIBRE COURTE D'ACIDE POLYLACTIQUE, ET FIBRE D'ACIDE POLYLACTIQUE
FIBRE DE RÉSINE D'ACIDE POLYLACTIQUE, FIBRE LONGUE D'ACIDE POLYLACTIQUE, FIBRE COURTE D'ACIDE POLYLACTIQUE, ET FIBRE D'ACIDE POLYLACTIQUE
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摘要
A polylactic acid resin fiber is obtained by melt-spinning a mixture containing 100 parts by weight of a poly-L-lactic acid (A) having an L-lactic acid purity of 99 mol percent or more, 3 to 10 parts by weight of a plasticizer (B), and 0.3 to 1.0 parts by weight of a lubricant (C), wherein the following conditions (a) and (b) are satisfied: (a) the stretch recovery rate is 5 percent or less; and (b) the degree of crystallinity measured by a differential scanning calorimeter is 50 to 70 percent.
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