Polyester

Background

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

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

History

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

The Manufacturing
Process

Polyester is manufactured by one of several methods.Wifi Smart Switch. The four basic forms are filament,Smart Touch Wall Light Switch, tow, and fiberfill. In the filament form,Laundry Liquid Filling Production Line, producing smooth-Liquor Production Line.Oil Filling Production Line, filaments are cut to short,Automatic Filling Production Line.Automatic Blanking 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.Spray Adhesive Type Cartoning 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-Double-head,Vertical Powder Packing Machine, is extruded through a slot to form long ribbons.

Drying

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

Juice 3in1 Filling Machine

Pure Water Filling 3in1 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,Washing-filling-capping 3in1 Machine. The rope-Filling Machinery And Solution.

Drawing tow

• 1 Newly-HY-UV6810 Shift Data UV Inkjet Printer.High Resolustion Inkjet Printer.

Crimping

• 2 Drawn tow is then fed into compression boxes,HY-UV8900 Shift Data Coding System, at a rate of 9-15 crimps per inch (3-6 per cm).Handheld And High Resolution Inkjet Printer.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)CO2 Laser Marking Machine.Desktop Fiber Laser Marking Machin.

Cutting

• 4 Following heat setting,UV 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)Laser Printer.Inkjet Printer HY-V150 Pro, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Inkjet Printer HY-V380P.

The Future

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