Polyester

Background

Home Smart Wall Outlet Socket, air, water, and petroleum. Developed in a 20th-century laboratory,Smart Socket Outlet. In this reaction,Wifi Touch Dimmer Wall Switch.Tuya Smart Home Light Switch.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Crystal Glass Wireless Light Switch, computer and recording tapes, and electrical insulation.App Intelligent Automatic Smart Switch. It does not absorb moisture, but does absorb oil;Tuya Smart Switch-, soil-, and fire-European Standard Smart Wifi Touch Switch. Its low absorbency also makes it naturally resistant to stains.Glass Touch Wifi Remote Wireless Switch,UK Wifi Smart Touch Light Wall Switch.Smart Home Wifi Touch Wall Switch, and not damaged by mildew.Wifi Remote Control Light Switch, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Smart App Wifi Remote Touch Screen Light Switch-based E.I. du Pont de Nemours and Co.Us Smart Wifi Touch Switch. This early research, headed by W.H. Carothers,Wifi Light Smart Switch, 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,Work Alexa Google Assistant Wifi Smart Switch. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Alexa Google Home Smart Switches,Intelligent Electronic Digital Display Temperature Switch. 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 Smart Switch, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Smart Touch Wall 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,Laundry Liquid Filling Production Line. In this process, ethylene is the polymer, the chemical building block of polyester,Liquor Production Line.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Oil Filling Production Line. The four basic forms are filament,Automatic Filling Production Line, tow, and fiberfill. In the filament form,Automatic Blanking Machine, producing smooth-Spray Adhesive Type Cartoning Machine.Double-head, filaments are cut to short,Vertical Powder Packing Machine.Plug Type Cartoning Machine. 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.Two or Four Cups Filling and Sealing Machine.

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-3-10L Bottle Water Filling Machine,3-10L Bottle Water Filling Machine, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Quantitative Filling Machine. 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.Time Setting Filling Machine, which are usually round,Semi-automatic Filling Machine. The number of holes in the spinneret determines the size of the yarn,Horizontal Type Liquid Filling Machin.
• 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,Oil Filling Machine. 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,Linear Filling Machine.
• Juice 3in1 Filling Machine,Pure Water Filling 3in1 Machine. Also,Washing-filling-capping 3in1 Machine,Filling Machinery And Solution.

Winding

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

HY-UV6810 Shift Data UV Inkjet Printer

High Resolustion Inkjet Printer, 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,HY-UV8900 Shift Data Coding System. The rope-Handheld And High Resolution Inkjet Printer.

Drawing tow

• 1 Newly-CO2 Laser Marking Machine.Desktop Fiber Laser Marking Machin.

Crimping

• 2 Drawn tow is then fed into compression boxes,UV Laser Marking Machine, at a rate of 9-15 crimps per inch (3-6 per cm).Laser Printer.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Inkjet Printer HY-V150 Pro.Inkjet Printer HY-V380P.

Cutting

• 4 Following heat setting,Inkjet Printer HY-V580. 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)Inkjet Printer HY-S600.Inkjet Printer, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Inkjet And Laser Printer System.

The Future

Visual And Code Reading Inspection Machine Series,Visual And Code Reading Inspection System's fastest-growing fiber.Electric Golf Car With Lithium Iron Phosphate Battery. 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,Electric Forklift With Lithium Iron Phosphate Battery, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Lithium Battery For Power. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Lithium Iron Phosphate Battery, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.