Abstract: Provided is a method for preparation of a floccular cotton thermal insulation, comprising steps of preparing a material comprising floccular cotton; conveying the material through a dispersion device; dispersing the material conveyed through the dispersion device between a first cloth and a second cloth of a transportation device; pressing the material located between the first cloth and the second cloth by two pressing devices for the first cloth and the second cloth to attach to each other to form a combination; and fusing the combination by a fusion device to obtain a floccular cotton thermal insulation. The method for preparation of a floccular cotton thermal insulation uses a dispersion device, such that the material can be equally dispersed in the floccular cotton thermal insulation to maintain fluffiness for keeping warm.

Abstract: A method for knitting denim comprising: dyeing yarn with a dyestuff to obtain dyed-yarn; knitting the dyed-yarn into a foundation layer and front layer to compose the denim, wherein the front layer is tensely tautened in intermittence with a tensile force greater than a tensile force on the foundation layer to make the foundation layer have random knots; and respectively washing two faces of the denim to remove the residual dyestuff. By knitting the yarn to compose the denim, the denim has even twilling patterns and excellent softness. By tensely tautening the front layer in intermittence during the knitting process, multiple random knots are generated on the foundation layer. Therefore, the achieved denim possesses multiple good features of softness, random knotting, and even twilling patterns.

Abstract: A method for knitting denim has acts of: dyeing yarn with a dyestuff to obtain dyed-yarn; knitting the dyed-yarn into a foundation layer and front layer to compose the denim, wherein the front layer is tensely tautened in intermittence with a tensile force greater than a tensile force on the foundation layer to make the foundation layer have random knots; and respectively washing two faces of the denim to remove the residual dyestuff. By knitting the yarn to compose the denim, the denim has even twilling patterns and excellent softness. By tensely tautening the front layer in intermittence during the knitting process, multiple random knots are generated on the foundation layer. Therefore, the achieved denim possesses multiple good features of softness, random knotting, and even twilling patterns.