| 摘要 |
FIELD: textiles, paper. ^ SUBSTANCE: fancy expandable thread contains a shaped blank, which consists of a ground polyurethane yarn of a linear density from 2.2 to 15.6 tex with a draught from 1.7 to 5, wrapping threads with the number of wraps from 250 to 800 rev/m, served with surge from 1.5 to 3.5, additional ground and locking threads with the number of wraps from 210 to 600 rev/m, which can be of natural or chemical origin, or of mixtures of different fiber composition of linear density from 5.6 to 40 tex, with the extensibility of the finished yarn is from 5 to 120%, the number of loops from 3 to 25 per 100 mm length of the thread. ^ EFFECT: obtaining shaped expandable threads with loopy effect of high quality, with good processing power at an affordable price. ^ 2 cl, 1 dwg |
