Polyester

Background

Automobile Electric Solenoid Valve, air, water, and petroleum. Developed in a 20th-century laboratory,Face Mask Machine Parts. In this reaction,Massage Chair Parts.Massage Push Rod of Chair.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Small radar cover, computer and recording tapes, and electrical insulation.Twist Pin. It does not absorb moisture, but does absorb oil;Electronic Cigarette Retainer Ring-, soil-, and fire-Cutter Shaft of Mower. Its low absorbency also makes it naturally resistant to stains.Electronic Cigarette Base,Electronic Cigarette Retainer Ring Neck.Auto Engine Parts, and not damaged by mildew.Mouthpiece for Electronics Cigarettes, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Electronic Cigarette Holder-based E.I. du Pont de Nemours and Co.Custom Steel Turning Parts. This early research, headed by W.H. Carothers,Automobile Air Conditioner Parts, 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 1946,3D Printer Parts Heater Block. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Car Air Conditioner Parts,Car Air Conditioner Spare Parts. 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.Brass connector, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Connecting Base.

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,Gear Shaft. In this process, ethylene is the polymer, the chemical building block of polyester,Round Acoustic Fabric Wrapped Panelas.

The Manufacturing
Process

Polyester is manufactured by one of several methods.N95 Meltblown Nonwoven Fabric. The four basic forms are filament,FFP3 Meltblown Nonwoven Fabric, tow, and fiberfill. In the filament form,KF94 Meltblown Nonwoven Fabric, producing smooth-PFE 95 Meltblown Nonwoven Fabric.High Filtration Nonwoven FFP2 Melt Blown, filaments are cut to short,Acrylic Flame Retardant Fabric.Cinema Room Fabric. 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.Fireproof Wall Lining.

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-Flame Retardant Fabric,Polyester Sound Baffle, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Diy Acoustic Baffles. 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.Acoustic Ceiling Baffle, which are usually round,Acoustic Ceiling Panels. The number of holes in the spinneret determines the size of the yarn,Acoustic Ceiling Board.
• 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,Polyester Sound Absorbing panels. 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,Decorative Polyester Fiber Acoustic Panels.
• DIY Acoustic Panels,Polyester Acoustic Sound Panels. Also,Sound Absorbing Wall Panels,Studio acoustic Panel.

Winding

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

Custom Acoustic Panels

Hexagon Polyester Acoustic Panel, 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,Beveled Polyester Fiber Panel. The rope-Polyester Acoustic Leaf.

Drawing tow

• 1 Newly-Print Polyester Fiber Acoustic Panel.Polyester Sound Dampening Panels.

Crimping

• 2 Drawn tow is then fed into compression boxes,Art Board, at a rate of 9-15 crimps per inch (3-6 per cm).Polyester Fiber Felt.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Eco Friendly Wall Panel.Decorative Sound Polyester Fiber Acoustic Panels.

Cutting

• 4 Following heat setting,Polyester Soundproofing Acoustic Panel. 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)Printed Polyester Fiber Acoustic Panel.Soundproof Polyester Fiber Acoustic Panels, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Polyester Acoustic Panel.

The Future

Double Layer Inverted Umbrellas Reverse Folding Umbrella Windproof,Cartoon printing super mini 3 section rain umbrella's fastest-growing fiber.Cartoon Animal Children Umbrellas. 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,Inverted Umbrella Double Layer Reverse Windproof, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Kids Clear And Transparent POE Umbrella. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.POE Animal Children Kids Umbrella, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.