Polyester

Background

Decorative Polyester Fiber Acoustic Panels, air, water, and petroleum. Developed in a 20th-century laboratory,DIY Acoustic Panels. In this reaction,Polyester Acoustic Sound Panels.Sound Absorbing Wall Panels.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Studio acoustic Panel, computer and recording tapes, and electrical insulation.Custom Acoustic Panels. It does not absorb moisture, but does absorb oil;Hexagon Polyester Acoustic Panel-, soil-, and fire-Beveled Polyester Fiber Panel. Its low absorbency also makes it naturally resistant to stains.Polyester Acoustic Leaf,Print Polyester Fiber Acoustic Panel.Polyester Sound Dampening Panels, and not damaged by mildew.Art Board, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Polyester Fiber Felt-based E.I. du Pont de Nemours and Co.Eco Friendly Wall Panel. This early research, headed by W.H. Carothers,Decorative Sound Polyester Fiber Acoustic Panels, 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,Polyester Soundproofing Acoustic Panel. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Printed Polyester Fiber Acoustic Panel,Soundproof Polyester Fiber Acoustic Panels. 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.Polyester Acoustic Panel, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Double Layer Inverted Umbrellas Reverse Folding Umbrella Windproof.

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,Cartoon printing super mini 3 section rain umbrella. In this process, ethylene is the polymer, the chemical building block of polyester,Cartoon Animal Children Umbrellas.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Inverted Umbrella Double Layer Reverse Windproof. The four basic forms are filament,Kids Clear And Transparent POE Umbrella, tow, and fiberfill. In the filament form,POE Animal Children Kids Umbrella, producing smooth-Long Clear POE Rain Umbrella.POE Rain Umbrella, filaments are cut to short,Portable Pocket Super Mini 3 Section Rain Umbrella.Cartoon Printing Super Mini 3 section Rain Umbrella. 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.Black Compact Super Mini 3 Section Rain Umbrella.

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-Super Mini Umbrella,Promotional Manual Open Golf Umbrella, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Manual Open Golf Umbrella. 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.Polyester Fabric Animal Children Umbrella, which are usually round,POE Animal Children Umbrella. The number of holes in the spinneret determines the size of the yarn,Fiberglass Long Automatic Children Umbrella.
• 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,POE Long Automatic Children Umbrella. 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,EVA Print Children Umbrella.
• Manual Open Adult Wooden Stick Umbrella,Rainbow Adult Stick Automatic Umbrella. Also,Special Rainbow Edge Long Adult Stick Umbrella,Double Layer Special Adult Stick Umbrella.

Winding

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

Automatic Long Stick Rain Umbrellas

Gent Folding Super Mini Manual Open Umbrella, 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,Folding Manual Open Umbrella. The rope-Wooden Two Folding Automatic Golf Umbrella.

Drawing tow

• 1 Newly-Folding Umbrella.Natural Cork Composition Sheets.

Crimping

• 2 Drawn tow is then fed into compression boxes,Cork and Nitrile Rubber sheets, at a rate of 9-15 crimps per inch (3-6 per cm).Farmhouse Large Decorative Wall Clocks.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Pallet Wood Barn Farmhouse Wall Clock.Black Windmill Wall Hook.

Cutting

• 4 Following heat setting,Inspired Home Windmill Decor Wall Hooks. 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)Windmill Metal Wall Decor with Hook.Quartz Decorative Wall Clock, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Multi-size Home Office Large Wall Clock.

The Future

12 Inch Printed Face Wall Clock,Christmas Wood and Metal Crafts's fastest-growing fiber.Fall-wood and Metal Crafts. 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,Bird House Spring Wood Planter, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Distressed Wood Slat Wall Mirror. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Large Windmill Home Decoration Wall Hook, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.