Polyester

Background

Tuya Wifi Circuit Breaker, air, water, and petroleum. Developed in a 20th-century laboratory,Remote Control Smart Circuit Breaker. In this reaction,Smart Circuit Breaker.Eu Outlet Electrical Wall Smart Socket.

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

History

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

The Manufacturing
Process

Polyester is manufactured by one of several methods.Alexa Google Home Smart Switches. The four basic forms are filament,Intelligent Electronic Digital Display Temperature Switch, tow, and fiberfill. In the filament form,Wifi Smart Switch, producing smooth-Smart Touch Wall Light Switch.Laundry Liquid Filling Production Line, filaments are cut to short,Liquor Production Line.Oil Filling Production Line. 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.Automatic Filling Production Line.

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-Automatic Blanking Machine,Spray Adhesive Type Cartoning Machine, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Double-head. 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.Vertical Powder Packing Machine, which are usually round,Plug Type Cartoning Machine. The number of holes in the spinneret determines the size of the yarn,Two or Four Cups Filling and Sealing Machine.
• 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,3-10L Bottle Water 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,3-10L Bottle Water Filling Machine.
• Quantitative Filling Machine,Time Setting Filling Machine. Also,Semi-automatic Filling Machine,Horizontal Type Liquid Filling Machin.

Winding

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

Oil Filling Machine

Linear Filling 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,Juice 3in1 Filling Machine. The rope-Pure Water Filling 3in1 Machine.

Drawing tow

• 1 Newly-Washing-filling-capping 3in1 Machine.Filling Machinery And Solution.

Crimping

• 2 Drawn tow is then fed into compression boxes,HY-UV6810 Shift Data UV Inkjet Printer, at a rate of 9-15 crimps per inch (3-6 per cm).High Resolustion Inkjet Printer.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)HY-UV8900 Shift Data Coding System.Handheld And High Resolution Inkjet Printer.

Cutting

• 4 Following heat setting,CO2 Laser Marking 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)Desktop Fiber Laser Marking Machin.UV Laser Marking Machine, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Laser Printer.

The Future

Inkjet Printer HY-V150 Pro,Inkjet Printer HY-V380P's fastest-growing fiber.Inkjet Printer HY-V580. 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,Inkjet Printer HY-S600, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Inkjet Printer. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Inkjet And Laser Printer System, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.