FIELD: chemistry.
SUBSTANCE: polylactide fibers are made from a polylactides mixture. One polylactide has a ratio of R-lactide and S-lactide units of 8:92 to 92:8. The second polylactide has a ratio of R-lactide and S-lactide units of ≥97:3 or ≤3:97. The ratio of R-lactide units and S-lactide units in the mixture is 7:93 to 25:75 or 75:25 to 93:7. The polylactide fiber comprises at least 5 J of polylactide crystallites per gram of polylactide resin in a fiber. The invention also relates in particular to shelters for plants in the form of a woven or nonwoven fabric comprising these polylactide fibers, as well as to subterranean formations treatment. Subterranean formations treatment involves treatment fluid introduction into the subterranean formation. The fluid comprises a liquid phase and a plurality of the said inventive polylactide fibers dispersed in a liquid phase.
EFFECT: increased efficiency of fibers.
17 cl, 1 tbl, 8 ex
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