Polyester

Background

Automatic Filling Production Line, air, water, and petroleum. Developed in a 20th-century laboratory,Automatic Blanking Machine. In this reaction,Spray Adhesive Type Cartoning Machine.Double-head.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Vertical Powder Packing Machine, computer and recording tapes, and electrical insulation.Plug Type Cartoning Machine. It does not absorb moisture, but does absorb oil;Two or Four Cups Filling and Sealing Machine-, soil-, and fire-3-10L Bottle Water Filling Machine. Its low absorbency also makes it naturally resistant to stains.3-10L Bottle Water Filling Machine,Quantitative Filling Machine.Time Setting Filling Machine, and not damaged by mildew.Semi-automatic Filling Machine, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Horizontal Type Liquid Filling Machin-based E.I. du Pont de Nemours and Co.Oil Filling Machine. This early research, headed by W.H. Carothers,Linear Filling 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,Juice 3in1 Filling Machine. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Pure Water Filling 3in1 Machine,Washing-filling-capping 3in1 Machine. 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.Filling Machinery And Solution, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.HY-UV6810 Shift Data UV Inkjet Printer.

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,High Resolustion Inkjet Printer. In this process, ethylene is the polymer, the chemical building block of polyester,HY-UV8900 Shift Data Coding System.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Handheld And High Resolution Inkjet Printer. The four basic forms are filament,CO2 Laser Marking Machine, tow, and fiberfill. In the filament form,Desktop Fiber Laser Marking Machin, producing smooth-UV Laser Marking Machine.Laser Printer, filaments are cut to short,Inkjet Printer HY-V150 Pro.Inkjet Printer HY-V380P. 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.Inkjet Printer HY-V580.

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-Inkjet Printer HY-S600,Inkjet Printer, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Inkjet And Laser Printer System. 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.Visual And Code Reading Inspection Machine Series, which are usually round,Visual And Code Reading Inspection System. The number of holes in the spinneret determines the size of the yarn,Electric Golf Car With Lithium Iron Phosphate Battery.
• 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,Electric Forklift With Lithium Iron Phosphate Battery. 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,Lithium Battery For Power.
• Lithium Iron Phosphate Battery,Four Wheels Dumper Truck. Also,Four Wheels Battery Electric Tipper Truck,Four Wheels Dump Electric Truck.

Winding

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

Lithium Battery Four Wheels Dumper Truck

Euro Truck Electric Four Wheels Dump, 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,Four Wheels Electric Dumper Truck J2-T. The rope-Wheelchair Electric Car Smart Vehicle.

Drawing tow

• 1 Newly-Disabled Person Smart Green Electric Car.Four Wheels Wheelchair Electric Car J2-W.

Crimping

• 2 Drawn tow is then fed into compression boxes,Electric 4 Wheels Cargo truck, at a rate of 9-15 crimps per inch (3-6 per cm).Four Wheels Electric Green Logistic Car.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Four Wheels Electric Logistic Car J2-P.Delivery Food Scooter Smart Truck.

Cutting

• 4 Following heat setting,New Green Energy Car Four Wheels. 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)Passager Electric Vehicle Four Wheels.Electric Car Automatic Control Family New Cars, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Fast Food Delivery Electric Dumper Cargo Truck.

The Future

Three Wheels Battery Electric Tipper Truck,Lithium Iron Phosphate Battery Three Wheels Dumper Electric Car's fastest-growing fiber.3-ply Disposable Blue BFE Face Mask. 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,FDA Approved Disposable Personal Mask, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Medical Surgical 3 Ply Face Mask. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Disposable Health Protective Mask, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.