In order to develop a new type of wool fabric,a kind of bubble four-sided elastic fabric with low wool content containing polyester,wool,cotton,viscose and spandex was designed.The fabric structure is double layer,the surface warp yarn is 14 tex × 2 wool yarn,the surface weft yarn is 14.7 texx2 long staple cotton yarn,the inner warp and weft yarns are made of polyester/viscose 14.7 tex×2+4.4 tex spandex yarn.Through the reasonable design of the surface and inner layer and the use of raw materials,the fabric has the characteristics of strong woolliness,close comfort of the inner layer,thick fabric and good warmth.The warping process is low speed,and the speed is 85％-90％of the cotton yarn of the same specification.Divided draw was used in drafting,the surface non-elastic yarn is worn in the front of the heddle frame and the inner elastic yarn is worn in the back of the heddle frame.Biaxial weaving was used in weaving,early opening,low back beam,air pressure and other technological measures to ensure the smooth progress of weaving.At the same time,weft mixing process is adopted to avoid color stall and ensure product quality.
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