Polyester

Background

DC Combiner Box, air, water, and petroleum. Developed in a 20th-century laboratory,Home Wifi Digital Lock. In this reaction,Remote Control Tuya Smart Door Lock.Waterproof Wifi App Access Control Reader Door Lock.

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

History

In 1926,Tuya Wifi Circuit Breaker-based E.I. du Pont de Nemours and Co.Remote Control Smart Circuit Breaker. This early research, headed by W.H. Carothers,Smart Circuit Breaker, 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,Eu Outlet Electrical Wall Smart Socket. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Tuya Smart Universal Plug Wifi Socket,USB Wireless Tuya Smart Socket. 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.Home Smart Wall Outlet Socket, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Smart Socket Outlet.

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,Wifi Touch Dimmer Wall Switch. In this process, ethylene is the polymer, the chemical building block of polyester,Tuya Smart Home Light Switch.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Crystal Glass Wireless Light Switch. The four basic forms are filament,App Intelligent Automatic Smart Switch, tow, and fiberfill. In the filament form,Tuya Smart Switch, producing smooth-European Standard Smart Wifi Touch Switch.Glass Touch Wifi Remote Wireless Switch, filaments are cut to short,UK Wifi Smart Touch Light Wall Switch.Smart Home Wifi Touch Wall 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.Wifi Remote Control Light 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-Smart App Wifi Remote Touch Screen Light Switch,Us Smart Wifi Touch Switch, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Wifi Light Smart Switch. 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.Work Alexa Google Assistant Wifi Smart Switch, which are usually round,Alexa Google Home Smart Switches. The number of holes in the spinneret determines the size of the yarn,Intelligent Electronic Digital Display Temperature 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,Wifi Smart Switch. 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,Smart Touch Wall Light Switch.
• Laundry Liquid Filling Production Line,Liquor Production Line. Also,Oil Filling Production Line,Automatic Filling Production Line.

Winding

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

Automatic Blanking Machine

Spray Adhesive Type Cartoning 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,Double-head. The rope-Vertical Powder Packing Machine.

Drawing tow

• 1 Newly-Plug Type Cartoning Machine.Two or Four Cups Filling and Sealing Machine.

Crimping

• 2 Drawn tow is then fed into compression boxes,3-10L Bottle Water Filling Machine, at a rate of 9-15 crimps per inch (3-6 per cm).3-10L Bottle Water Filling Machine.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Quantitative Filling Machine.Time Setting Filling Machine.

Cutting

• 4 Following heat setting,Semi-automatic 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)Horizontal Type Liquid Filling Machin.Oil Filling Machine, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Linear Filling Machine.

The Future

Juice 3in1 Filling Machine,Pure Water Filling 3in1 Machine's fastest-growing fiber.Washing-filling-capping 3in1 Machine. 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,Filling Machinery And Solution, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,HY-UV6810 Shift Data UV Inkjet Printer. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.High Resolustion 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.