Polyester

Background

Custom Printed Your Own Logo Cardboard Packaging Yellow Brown Kraft Gift Craft Shopping Paper Bag with Handles, air, water, and petroleum. Developed in a 20th-century laboratory,To Go Containers Food Disposable Wheat Straw Bento Box Microwavable Lunch. In this reaction,Compostable Grease Proof Bagasse Pulp Lunch Packaging Box Food Container.Gift Card Carrier Box.

Polyester is used in the manufacture of many products, including clothing, home furnishings,Hexagon Box, computer and recording tapes, and electrical insulation.Paper Box With Custom Logo. It does not absorb moisture, but does absorb oil;Round Paper Cardboard Gift Box-, soil-, and fire-Custom Luxury Jewelry Case. Its low absorbency also makes it naturally resistant to stains.Aluminum Foil Bag,Bags&Pouches.Stone Paper Bags, and not damaged by mildew.Stone Paper Books, nonallergenic insulator, so the material is used for filling pillows, quilting, outerwear, and sleeping bags.

History

In 1926,Stone Paper Eco Friendly Tissue Holder-based E.I. du Pont de Nemours and Co.Stone Carton Board 2mm. This early research, headed by W.H. Carothers,Stone Carton Board 3mm, 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,Stone Paper Carton Board. The company conducted some further developmental work, and in 1951, began to market the fiber under the name Dacron.Stone Paper Film 60um,Stone Paper Film. 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.Stone Card Paper 250um, though PCDT is more elastic and resilient. PCDT is suited to the heavier consumer uses, such as draperies and furniture coverings.Stone Paper 180um.

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,Stone Paper Soft. In this process, ethylene is the polymer, the chemical building block of polyester,Full Automatic Marshmallow Production Line.

The Manufacturing
Process

Polyester is manufactured by one of several methods.Deposited Marshmallow Line. The four basic forms are filament,Full Automatic Extruded Marshmallow Production Line, tow, and fiberfill. In the filament form,Popping Boba Line, producing smooth-Chocolate Blocks Guitar Cutter.Chocolate Slicing Machine, filaments are cut to short,Small Chocolate Machine.Chocolate Enrobing Line. 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.Chocolate Tempering Machine.

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-Chocolate Blocks Crusher,Chocolate Paste Making Equipment, is extruded through a slot to form long ribbons.

Drying

• 3 After the polyester emerges from polymerization,Chocolate Forming Moulds. 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.Chocolate Moulds, which are usually round,Hollow Chocolate Spinning Machine. The number of holes in the spinneret determines the size of the yarn,Chocolate Equipment.
• 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,Sandwiching and Packaging. 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,Rotary Rack Oven.
• Rack Oven,Automatic Multifunctional Biscuit Production Line. Also,Automatic Multifunctional Biscuit Production Line,Soft Biscuit Rotary Moulder.

Winding

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

Biscuit Stacking Machine

Biscuit Equipment, 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,Toffee Fondant Depositing Line. The rope-Automatic Starch Mogul Line.

Drawing tow

• 1 Newly-Die Formed Lollipop Production Line.Hard Candy Depositing Line.

Crimping

• 2 Drawn tow is then fed into compression boxes,Automatic Drying System, at a rate of 9-15 crimps per inch (3-6 per cm).Automatic Cereal Bar Line.

Setting

• 3 After the tow is crimped, it is heated at 212-302°F (100-150°C)Extruding Type Konjac Ball Production Line.Aluminium Moulds and Silicon.

Cutting

• 4 Following heat setting,Gummy Moving Cart. 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)Advance Rasing Film Vacuum Cooker.Vacuum Batch Type Cooker, such ascarpet,polyester filaments are cut into 6 inch (15 cm)Gummy Kitchen System.

The Future

Advance Gummy Production Line,Gummy Machines's fastest-growing fiber.Cloth Bag For Gift. 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,Cloth Christmas Gift Bag, was introduced to the public in 1991. More luxurious and versatile than traditional polyester,Gift Cloth Pouch. Clothing designers such as Mary McFadden have created a line of clothes using this new form of polyester.Drawstring Sunglasses Pouch, a superfiber material used to make bulletproof vests. This type of polyester may eventually be used as composite materials for cars and airplanes.