Polyester

Background

Automatic Machine Parts, air, water, and petroleum. Developed in a 20th-century laboratory,Balance Shaft for Cars. In this reaction,Metal Parts Manufacturer.Electric Toothbrush Parts.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Forehead Thermometer Parts, computer and recording tapes, and electrical insulation.Automobile Electric Solenoid Valve. It does not absorb moisture, but does absorb oil;Face Mask Machine Parts-, soil-, and fire-Massage Chair Parts. Its low absorbency also makes it naturally resistant to stains.Massage Push Rod of Chair,Small radar cover.Twist Pin, and not damaged by mildew.Electronic Cigarette Retainer Ring, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Cutter Shaft of Mower-based E.I. du Pont de Nemours and Co.Electronic Cigarette Base. This early research, headed by W.H. Carothers,Electronic Cigarette Retainer Ring Neck, 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,Auto Engine Parts. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Mouthpiece for Electronics Cigarettes,Electronic Cigarette Holder. 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.Custom Steel Turning Parts, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Automobile Air Conditioner Parts.

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,3D Printer Parts Heater Block. In this process, ethylene is the polymer, the chemical building block of polyester,Car Air Conditioner Parts.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Car Air Conditioner Spare Parts. The four basic forms are filament,Brass connector, tow, and fiberfill. In the filament form,Connecting Base, producing smooth-Gear Shaft.Round Acoustic Fabric Wrapped Panelas, filaments are cut to short,N95 Meltblown Nonwoven Fabric.FFP3 Meltblown Nonwoven 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.KF94 Meltblown Nonwoven Fabric.

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-PFE 95 Meltblown Nonwoven Fabric,High Filtration Nonwoven FFP2 Melt Blown, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Acrylic Flame Retardant Fabric. 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.Cinema Room Fabric, which are usually round,Fireproof Wall Lining. The number of holes in the spinneret determines the size of the yarn,Flame Retardant Fabric.
• 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 Baffle. 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,Diy Acoustic Baffles.
• Acoustic Ceiling Baffle,Acoustic Ceiling Panels. Also,Acoustic Ceiling Board,Polyester Sound Absorbing panels.

Winding

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

Decorative Polyester Fiber Acoustic Panels

DIY Acoustic Panels, 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,Polyester Acoustic Sound Panels. The rope-Sound Absorbing Wall Panels.

Drawing tow

• 1 Newly-Studio acoustic Panel.Custom Acoustic Panels.

Crimping

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

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Polyester Acoustic Leaf.Print Polyester Fiber Acoustic Panel.

Cutting

• 4 Following heat setting,Polyester Sound Dampening Panels. 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)Art Board.Polyester Fiber Felt, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Eco Friendly Wall Panel.

The Future

Decorative Sound Polyester Fiber Acoustic Panels,Polyester Soundproofing Acoustic Panel's fastest-growing fiber.Printed Polyester Fiber Acoustic Panel. 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,Soundproof Polyester Fiber Acoustic Panels, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Polyester Acoustic Panel. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Double Layer Inverted Umbrellas Reverse Folding Umbrella Windproof, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.