Do You Know What Raw Materials For Silk Production Are?

Silk, a kind of textile, is made of silk or synthetic filament yarn.

A fabric made of silk or rayon.

(1) silk: mulberry silk (Mulberry), tussah silk (tussah), Sang Juansi (Sang Juan), tussah silk (tussah), mulberry shafts (Sang Zhou), tussah shafts (equal axis), and castor spun silk (Castor).

(2) viscose rayon (viscose rayon): the general name of regenerated cellulose fiber made from viscose method. It is the main artificial silk and the main raw material of human silk.

The production process is made from wood, cotton lint and other cellulose as raw material, and then soaked in 18-25 1-2h (18% above and below) sodium hydroxide solution, and then pressed to 2.6-2.8 times of pulp quality to form alkali cellulose.

The cellulose yellow ester is formed by crushing, aging and processing carbonization, and then dissolves in the sodium hydroxide solution to become viscose.

After ripening, defoaming and filtering, the viscose is pressed into the coagulation bath consisting of sulphuric acid, sodium sulphate and a small amount of zinc sulfate through the pores of the spinneret, and then solidified, regenerated and stretched into silk.

Then the winding cakes were washed, desulphurized, bathing, white, oiled and dried to become viscose rayon.

(3) viscose rayon: (scientific name: viscose fiber.

Denomination: Viscose) raw materials and methods of production with viscose rayon, only in the textile machine from the nozzle of the hole into the sulfuric acid, sodium sulfate and a small amount of zinc sulfate in the coagulation bath, solidification, regeneration, stretching to form silk, and then after the cluster cut into a suitable length of short fibers, and then desulfurization, bleaching, oiling and drying for artificial cotton.

Spinning again through the spinning machine.

(4) cuprammonia rayon (copper and copper wire): using superior wood pulp and cotton lint pulp as raw materials, the solution is dissolved in the copper ammonia solution of copper complex salt solution composed of copper four ammonia hydroxide {Cu (NH3) 4COH2}, and is blended by filtration and defoaming.

Taking water as coagulation bath, the water method is formed in "funnel spinning".

Then the cellulose is completely regenerated through acid bath, then washed, oiled and dried to make copper ammonia rayon.

(5) acetic acid rayon (vinegar filament): cellulose is used as raw material, and generally refined cotton linen pulp of high purity cellulose is used as raw material. In the presence of catalyst, acetic acid anhydride acts on the molecule, and the hydrogen atom of hydroxyl group is substituted by acetyl group to form three cellulose acetate ester.

Acetic acid reaction can be carried out under heterogeneous conditions (mainly for wet prevention) and direct spinning in homogeneous state.

Shiny silk resemble mulberry silk.

(6) nylon yarn (short silk called nylon, filament called nylon filament): Xi: nylon, nylon and Kapp lung.

It consists of amide chains linked to aliphatic groups or aliphatic rings.

The corresponding aliphatic polyamide fibers are referred to according to the number of carbon molecules in the polycondensation component.

Such as polymerization of polyamide monomers.

Polyamide 66 fibers are formed by condensation of adipic acid containing 6 carbon atoms.

Gloss is divided into semifluid and glossy.

It resembles silk like silk and is made from its raw material.

(7) cotton silk (short silk called polyester and filament called polyester filament): polyester is really cool.

The macromolecules of polyesters are synthesized from polyols and binary acids or W- hydroxy acids.

The fibers were prepared by solvent spinning and then processed into silk.

It resembles silk like silk and is made from its raw material.

(8) vinylon yarn (short silk called vinylon, filament called vinylon): Xi: nylon and yarn.

A polymer derived from polyvinyl acetate by saponification.

(9) acrylic fiber (short yarn called acrylic, filament called acrylic fiber): Xi: nylon, cashmere, and AI crane.

The polymerization of acrylonitrile is called.

The polymerization of acrylonitrile is a chain reaction of free stem type.

According to the different solution (medium), homogeneous solution polymerization and heterogeneous solution polymerization can be divided.

The solution of the solution is concentrated aqueous solution of sodium thiocyanate, two methyl sulfoxide, two methyl amide, etc. the aqueous solution of the heterogeneous solution is used as the medium, and the polymer is precipitated and precipitated in the polymerization process.

The polymerization solution obtained by homogeneous solution polymerization directly spun into acrylic fiber.

(10) polypropylene fiber: (scientific name: polypropylene fiber).

Xi said polypropylene and polypropylene.

Named, short silk is called polypropylene, and filament is called polypropylene fiber.

(c) polymerized polymer from propylene.

(11) polyvinyl chloride fiber: (scientific name: PVC fiber).

Xi said, no beauty dragon, chlorine fiber.

Name: short silk is called polyvinyl chloride, and filament is called polyvinyl chloride fiber.

(chlorine) a polymeric compound formed by free radical polymerization of vinyl chloride.

(12) cotton yarn (cotton): cotton is spun into yarn.

(13) wool yarn (wool): spun yarn with wool.

(14) hemp yarn (hemp): spun yarn made of ramie, jute and linen fiber, commonly used in cotton yarns.

(15) money thread leather (aluminum skin): it is not resistant to high temperature. It is bonded with aluminum foil between two layers of cellulose acetate butyl ester film. It is bonded by pparent adhesive. The color of aluminum skin determines the color of acetate fiber added to the adhesive.

For non woven fabrics.