Polyester

Background

Remote Control Tuya Smart Door Lock, air, water, and petroleum. Developed in a 20th-century laboratory,Waterproof Wifi App Access Control Reader Door Lock. In this reaction,Home Electronic Electric Tuya App Wifi Smart Lock.Wireless Security Automatic Door Time Lock.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Electronic Fingerprint Digital Smart Lock Door, computer and recording tapes, and electrical insulation.Wifi App Control Blue Tooth Cabinet Lock. It does not absorb moisture, but does absorb oil;Smart Wifi Tuya App Access-, soil-, and fire-Smart Lock. Its low absorbency also makes it naturally resistant to stains.App Tuya Wifi Smart Circuit Breaker,Remote Control Wifi MCB Circuit Breaker.Tuya Wifi Circuit Breaker, and not damaged by mildew.Remote Control Smart Circuit Breaker, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Smart Circuit Breaker-based E.I. du Pont de Nemours and Co.Eu Outlet Electrical Wall Smart Socket. This early research, headed by W.H. Carothers,Tuya Smart Universal Plug Wifi Socket, the first synthetic fiber. Soon after, in the years 1939-41, British research chemists took interest in the du Pont studies and conducted their own research in the laboratories of Calico Printers Association, Ltd. This work resulted in the creation of the polyester fiber known in England as Terylene.

In 1946,USB Wireless Tuya Smart Socket. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Home Smart Wall Outlet Socket,Smart Socket Outlet. Today, there are two primary types of polyester, PET (polyethylene terephthalate) and PCDT (poly-1, 4-cyclohexylene-dimethylene terephthalate). PET, the more popular type, is applicable to a wider variety of uses.Wifi Touch Dimmer Wall Switch, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Tuya Smart Home Light Switch.

Raw Materials

Polyester is a chemical term which can be broken intopoly,meaning many, andester,a basic organic chemical compound. The principle ingredient used in the manufacture of polyester is ethylene,Crystal Glass Wireless Light Switch. In this process, ethylene is the polymer, the chemical building block of polyester,App Intelligent Automatic Smart Switch.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Tuya Smart Switch. The four basic forms are filament,European Standard Smart Wifi Touch Switch, tow, and fiberfill. In the filament form,Glass Touch Wifi Remote Wireless Switch, producing smooth-UK Wifi Smart Touch Light Wall Switch.Smart Home Wifi Touch Wall Switch, filaments are cut to short,Wifi Remote Control Light Switch.Smart App Wifi Remote Touch Screen Light Switch. Tow is a form in which continuous filaments are drawn loosely together. Fiberfill is the voluminous form used in the manufacture of quilts, pillows, and outerwear.Us Smart Wifi Touch Switch.

Manufacturing Filament Yarn

Polymerization

• 1 To form polyester, dimethyl terephthalate is first reacted with ethylene glycol in the presence of a catalyst at a temperature of 302-410°F (150-210°C).
• 2 The resulting chemical, a monomer (single, non-repeating molecule) alcohol, is combined with terephthalic acid and raised to a temperature of 472°F (280°C). Newly-Wifi Light Smart Switch,Work Alexa Google Assistant Wifi Smart Switch, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Alexa Google Home Smart Switches. The material is cut into tiny chips and completely dried to prevent irregularities in consistency.

Melt spinning

• 4 Polymer chips are melted at 500-518°F (260-270°C) to form a syrup-like solution.Intelligent Electronic Digital Display Temperature Switch, which are usually round,Wifi Smart Switch. The number of holes in the spinneret determines the size of the yarn,Smart Touch Wall Light Switch.
• 5 At the spinning stage, other chemicals may be added to the solution to make the resulting material flame retardant, antistatic, or easier to dye.

Drawing the fiber

• 6 When polyester emerges from the spinneret,Laundry Liquid Filling Production Line. The stretching forces the random polyester molecules to align in a parallel formation. This increases the strength, tenacity, and resilience of the fiber. This time, when the filaments dry,Liquor Production Line.
• Oil Filling Production Line,Automatic Filling Production Line. Also,Automatic Blanking Machine,Spray Adhesive Type Cartoning Machine.

Winding

• 8 After the polyester yarn is drawn, it is wound on large bobbins or flat-wound packages, ready to be woven into material.

Double-head

Vertical Powder Packing Machine, polymerization, drying, and melt spinning (steps 1-4 above) are much the same as in the manufacture of filament yarn. However, in the melt spinning process,Plug Type Cartoning Machine. The rope-Two or Four Cups Filling and Sealing Machine.

Drawing tow

• 1 Newly-3-10L Bottle Water Filling Machine.3-10L Bottle Water Filling Machine.

Crimping

• 2 Drawn tow is then fed into compression boxes,Quantitative Filling Machine, at a rate of 9-15 crimps per inch (3-6 per cm).Time Setting Filling Machine.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Semi-automatic Filling Machine.Horizontal Type Liquid Filling Machin.

Cutting

• 4 Following heat setting,Oil Filling Machine. Polyester that will be blended with cotton is cut in 1.25-1.50 inch (3.2-3.8 cm) pieces; for rayon blends, 2 inch (5 cm)Linear Filling Machine.Juice 3in1 Filling Machine, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Pure Water Filling 3in1 Machine.

The Future

Washing-filling-capping 3in1 Machine,Filling Machinery And Solution's fastest-growing fiber.HY-UV6810 Shift Data UV Inkjet Printer. However, polyester has suffered an "image problem" since that time, and clothes made out of polyester were often devalued and even ridiculed. Several new forms of polyester introduced in the early 1990s may help revitalize the image of polyester. A new form of polyester fiber,High Resolustion Inkjet Printer, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,HY-UV8900 Shift Data Coding System. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Handheld And High Resolution Inkjet Printer, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.