双语PPT.ppt

1、包芯纱一般以强力和弹力都较好的合成纤维长丝为芯丝，外包棉、毛、粘胶纤维等短纤维一起加捻而纺制成的纱。,包芯纱一般以强力和弹力都较好的合成纤维长丝为芯丝，外包棉、毛、粘胶纤维等短纤维一起加捻而纺制成的纱。包芯纱兼有长丝芯纱和外包短纤维的优良性能。比较常见的包芯纱有涤棉包芯纱，它以涤纶长丝为芯纱，外包棉纤维。还有氨纶包芯纱，它是以氨纶长丝为芯纱，外包其他纤维制成的纱线。,What does Core Spun Yarn mean? A yarn in which a base yarn is completely wrapped by a second yarn. Rawr Denim expla

2、ins Core Spun Yarn Core spun, or “polycore”, yarn is created by twisting staple fibers around a central filament core, usually made of polyester for extra strength. It is 40% to 50% stronger than normally spun yarn of the same weight, and reduces the number of broken stitches when sewing seams and h

3、ems on denim. Additional Resources Diagram of core spun yarn:,Fancy Yarns/Core Spun Yarn Core Spun Yarn (Acrylic/spot),Fancy Yarns/Core Spun Yarn,Core Spun Yarn (Bright Polyester/Color spot) NUMBER: MSBC-6 YARN COUNT: 5N COMPONENT: 100%P There are many fancy yarn series which our company produces, h

4、ave wide ways of using. Series one: vestee yarn; Series two: curtain yarn used for knitting curtain etc; Series three: machine knitting yarn; Series four: knitting yarn used for knitting shirt, muffler, excellent to knit shirt,shoes and hats etc.,A yarn produced at the spinning frame by feeding a ya

5、rn through the delivery rollers only, simultaneously with the spinning of the staple fibres (q.v.) NOTE: The yarn fed through at the delivery rollers only is usually known as the core, and the other component is known as the wrapper. The core may be of continuous-filament yarn or of spun yarn. If th

6、e core is of spun yarn, the direction of its twist is usually the same as that of the complete yarn. Core-spun yarns are made for decorative purposes or, more commonly, for strengthening the wrapper for facilitating subsequent processes. When used for strengthening, the core may, after it has served

7、 its purpose, be removed by solvent or other chemical action, e.g. the removal of calcium alginate filament yarn by an alkaline scour or of a cotton yarn by carbonising. The core is often retained for strengthening the resultant fabric as is the case if nylon or polyester continuous-filament yarns a

8、re used. A yarn made by twisting fibers around a filament or a previously spun yarn, thus concealing the core. Core yarns are used in sewing thread, blankets, and socks and also to obtain novelty effects in fabrics. A yarn produced at the spinning frame by feeding a yarn through the delivery rollers

9、 only, simultaneously with the spinning of the staple fibres (q.v.) NOTE: The yarn fed through at the delivery rollers only is usually known as the core, and the other component is known as the wrapper. The core may be of continuous-filament yarn or of spun yarn. If the core is of spun yarn, the dir

10、ection of its twist is usually the same as that of the complete yarn. Core-spun yarns are made for decorative purposes or, more commonly, for strengthening the wrapper for facilitating subsequent processes. When used for strengthening, the core may, after it has served its purpose, be removed by sol

11、vent or other chemical action, e.g. the removal of calcium alginate filament yarn by an alkaline scour or of a cotton yarn by carbonising. The core is often retained for strengthening the resultant fabric as is the case if nylon or polyester continuous-filament yarns are used. A yarn consisting of an inner core yarn