Polyester

Background

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

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

History

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

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,Polyester Acoustic Panel. In this process, ethylene is the polymer, the chemical building block of polyester,Double Layer Inverted Umbrellas Reverse Folding Umbrella Windproof.

The Manufacturing
Process

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

Drying

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

Special Rainbow Edge Long Adult Stick Umbrella

Double Layer Special Adult Stick 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,Automatic Long Stick Rain Umbrellas. The rope-Gent Folding Super Mini Manual Open Umbrella.

Drawing tow

• 1 Newly-Folding Manual Open Umbrella.Wooden Two Folding Automatic Golf Umbrella.

Crimping

• 2 Drawn tow is then fed into compression boxes,Folding Umbrella, at a rate of 9-15 crimps per inch (3-6 per cm).Natural Cork Composition Sheets.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Cork and Nitrile Rubber sheets.Farmhouse Large Decorative Wall Clocks.

Cutting

• 4 Following heat setting,Pallet Wood Barn Farmhouse Wall Clock. 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)Black Windmill Wall Hook.Inspired Home Windmill Decor Wall Hooks, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Windmill Metal Wall Decor with Hook.

The Future

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