Polyester

Background

Bedroom Simple Modern Style Curtains, air, water, and petroleum. Developed in a 20th-century laboratory,European Style Decorative Sheers Curtain. In this reaction,2021 New Design Luxury Velvet Fabric For Curtains.Cotton And Polyester Chenille Curtains For Living Room.

Polyester is used in the manufacture of many products, including clothing, home furnishings,100% Polyester Cotton Fabrics Curtain Upholstery, computer and recording tapes, and electrical insulation.100%Polyester Soft Chenille Fabric For Curtain. It does not absorb moisture, but does absorb oil;Jacquard Curtain-, soil-, and fire-JBL Two Faced complete Blackout Curtain Fabric For Bedroom. Its low absorbency also makes it naturally resistant to stains.Automatic Fiber High Speed Rapier Machine,Automatic Fabric Shuttle Changing Loom.Shuttle Loom Machine, and not damaged by mildew.Shuttle Loom Automatic Machine, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Shuttle Weaving Loom-based E.I. du Pont de Nemours and Co.Velveteen Automatic Shuttle Changing Loom. This early research, headed by W.H. Carothers,Shuttleless Rapier Loom Machine, 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,GA736 Shuttleless Rapier Loom Machine. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Textile Rapier Loom,Weaving Machine Fiber Rapier Loom. 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.Weaving Loom, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Rapier Loom In Weaving Machines.

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,GA736 Weaving Machine. In this process, ethylene is the polymer, the chemical building block of polyester,Rapier Weaving Machine.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Rapier Machine. The four basic forms are filament,Medical Mask Machine, tow, and fiberfill. In the filament form,Fabric Mask Machine, producing smooth-Nonvoven Mask Machine.Medical Mask Making Machine, filaments are cut to short,Mask Making Machine.Face Mask Maker 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.Face Mask 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-Fully Automatic Disposable Non Woven Face Mask Making Machine,Disposable Medical Protective Auto Mask Machine, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Medical Masks Making 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.Disposable Face Medical Masks Making Machine, which are usually round,Surgical Mask Machine. The number of holes in the spinneret determines the size of the yarn,Disposable Medical Protective Mask 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,Gauze Weaving Loom. 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,Towel Weaving Loom.
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Winding

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

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Low Power Consumption Solar TV, 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,24 Inch Paygo Solar TV. The rope-32 Inch Paygo Solar TV.

Drawing tow

• 1 Newly-40 Inch Paygo Solar TV.Paygo Solar TV.

Crimping

• 2 Drawn tow is then fed into compression boxes,24 Inch Solar Powered TV, at a rate of 9-15 crimps per inch (3-6 per cm).Solar Powered TV.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Solar TVs.43 Inch Fitness Mirror Display.

Cutting

• 4 Following heat setting,Fitness Mirror. 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)Yacht TV.Marine TV For Sale, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Marine TV.

The Future

19 Inch Caravan TV,24 Inch Caravan TV's fastest-growing fiber.Caravan TV DVD Combo. 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,24 Inch RV TV, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Caravan TVs. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Sauna Room TV, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.