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One of the leading neckwear manufacturers and suppliers in China, Shengzhou Jinfa Necktie Co., Ltd is specialized in producing and customizing competitive and quality neckwear products either OEM-based or self-branded, including Jacquard or woven, yarn dyed or printed silk or polyester neckties, scarves, shawls, stoles and bow ties, etc. more>>

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Silk raw materials and processes

Font Size:big - mid - smallejinfatie   Release time 13-04-07 14:04     view:2184   coomment:0   source:

1. Silk: silk (mulberry), silk (oak), Mulberry silk (mulberry silk), oak (oak silk), spun silk, mulberry axoneme (Sang-axis), oak axoneme (equal axis), castor Silk (grate) general. ?
2. viscose rayon (viscose rayon): made of regenerated cellulose fibers by the viscose method, collectively, is mainly rayon, the main raw material is silk. Production process: raw materials such as wood, cotton linters cellulose made from wood pulp, and then immersed in a 18-25 ° C concentration (18% from top to bottom) sodium hydroxide solution for 1-2h, and then squeeze the pulp quality 2.6 -2.8 times to produce alkali cellulose. And then by crushing, aging, yellowing of processing carbon disulfide generates cellulose xanthate, viscose Be redissolved in a balanced solution of sodium hydroxide. Viscose by ripening, deaeration, After filtration, the spinning machine from the pressure in the pores of the spinneret into a coagulation bath consisting of sulfuric acid, sodium sulfate and a small amount of zinc sulfate in the coagulation, regeneration, stretched into a wire. Then wound into a wire cake, white washed, desulfurization, bath, oil, and dried viscose rayon. ?
3. Viscose rayon: (scientific name: viscose fiber the naming: the sticky fiber) raw materials and production methods with viscose rayon, only in the textile machine pressed into the pores of the nozzle by the sulfuric acid, sodium sulfate, and a small amount of zinc sulfate a coagulation bath consisting of coagulation, regeneration, stretching the formed wire, cluster and then cut to the appropriate length after stretching staple fibers, further desulfurization bleaching, oiling and drying as rayon. And then by the spinning machine spun into yarn. ?
4.  cuprammonium rayon (cupra): with the use of wood pulp, cotton linters pulp as raw material, dissolved in by copper ammonia hydroxide {Cu (NH3) 4COH2} consisting of a copper complex salt solution cuprammonium solution prepared in the spinning solution, spinning after blending filtering and degassing. Water as the coagulation bath, the water forming in the funnel spinning method. And then through the acid bath cellulose fully regenerated, and then washed with water, oil, drying the cuprammonium rayon. ?
5.  Acetate Rayon (Acetate wires)]: cellulose as a raw material, generally using purified cotton linter pulp as a raw material in high purity methyl cellulose with acetic anhydride in the presence of a catalyst under a hydrogen atom, a hydroxyl group on its molecular acetyl substituted generate cellulose triacetate. Acetate of express in a non State (mainly used for wet-anti manufacture fibers) can also be carried out in both states under the direct spinning. From the luster similar to silk. ?
6.  nylon filament (short wire known as nylon, said filament nylon yarn): Xi said: nylon, nylon, Capron. The line connecting the chain by an amide with an aliphatic group or an alicyclic group punishment macromolecules. Referred to as the corresponding aliphatic polyamide fibers according to the the polycondensation component of the number of carbon molecules. Such as polyamide monomer is polymerized. Polyamide 66 fiber is made by the acid containing up to 6 carbon atoms are polycondensation. The gloss is divided into half-light, light. Looks like silk, with its thick fabrics as raw materials, known as Silk. ?
7. Cotton lun silk (staple fiber known as polyester, the said filament polyester silk): Xi said: polyester, really cool. Criminal macromolecules synthesized by monohydric alcohols and dibasic acid or W-hydroxy acid polyester line. Melt spinning method, fibroblasts, and then processed into wire. Looks like silk, with its thick fabrics as raw materials, known as Silk. ?
8.  PVA the silk (short wire said polyvinyl alcohol, said filament the PVA wire): Xi said: Vinyl, yarn Lun. The polymer made from polyvinyl acetate by saponification. ?
9.  acrylic yarn (short wire said acrylic filament acrylic yarn): Xi said: Orlon, cashmere Lun the Aike Lan. Acrylonitrile polymerization. The polymerization of acrylonitrile is free stem chain reaction, the production of multi-use solution polymerization. According to the type of solution used in (media) can be divided into homogeneous solution polymerization and non-solution polymerization. Solvent to the solution is a concentrated aqueous solution of sodium thiocyanate, dimethyl sulfoxide, dimethylformamide, and the like; non homogeneous solution with water as the medium, the polymer in the polymerization process is continuously Shen precipitated. The homogeneous solution polymerization solution polymerization reaction proceeds directly spun acrylic yarn. ?
10.  polypropylene yarn: (scientific name: polypropylene fiber. Xi said, polypropylene, Pa Lun naming, short silk known as polypropylene, filament called polypropylene yarn). (C) by the polymerization of propylene polymer. ?

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