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Showing posts with label Man-made Fibers. Show all posts
Showing posts with label Man-made Fibers. Show all posts
Thursday, 18 June 2009

Polyurethane Fibres ( Spandax, Lycra)

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Polyurethane Fibres ( Spandax, Lycra) Polyurethane is produced by action of butanediol and hexamethylene diisocyanate. The polyurethane thus...
Monday, 15 June 2009

Polypropylene Fibres- Manufacturing Process

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Polypropylene Fibres Propylene is one of the constituents obtained from thermal or catalytic cracking of petroleum. Under suitable polymeris...
Wednesday, 10 June 2009

Polyethylene Fibres

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Polyolefin fibres Fibres made from polymers or copolymers of olefin hydrocarbons such as ethylene, propylene are called polyolefins. Polyeth...
Friday, 5 June 2009

Manufacturing Process and Properties of PVA

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Polyvinyl Alcohol Fibres Polyvinyl alcohol (water soluble compound) can be described as a polyhydric, having secondary alcoholic groups on a...
Wednesday, 3 June 2009

Polyvinyl Chloride- Manufacturing Process and Properties

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Polyvinyl Chloride (Vinyon) Fibre Manufacture: Vinyl Chloride is the principal raw material from which polyvinyl chloride is made by addi...
Monday, 1 June 2009

Acrylic- Manufacturing Process and Properties

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Polyacrilonitrile ( Acrylic) vinyl Cyanide, more commonly known as acrylonitrile, can under go addition polymerisation to form polyacrylonit...
Sunday, 31 May 2009

Properties of Polyester

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Tenacity (gpd) High Tenacity Normal Tenacity Staple Dry 6-7 4.5-5.5 3.5-4 Wet 6-7 4.5-5.5 3.5-4 Elongation (%)       Dry 12.5-7.5 25-15 4...
Saturday, 30 May 2009

Manufacturing Process of Polyester

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Manufacture of Polyester These fibres are also known as Terylene, Terene, Dacron etc. These fibres are synthetic textile fibres of high poly...
Friday, 29 May 2009

Properties of Nylon 6

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Properties of Nylon 6 Nylon 6 has certain advantages over Nylon 6,6,. Firstly the systheisi fo caprolectum is easier than that of Hexamethyl...
Thursday, 28 May 2009

Manufacturing Process of Nylon 6

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Manufacturing Process of Nylon 6 Nylon Manufactured in India at present is of this type. This is made from Caprolactum which is made by a se...
Wednesday, 27 May 2009

Properties of Nylon 6,6

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Properties of Nylon 6,6 Strength The most outstanding property of nylon is its strength and elasticity. The tenacity varies from 8.8-4.3 gpd...
Tuesday, 26 May 2009

Manufacturing Process of Nylon 6,6

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Manufacturing Process of Nylon 6,6 Nylon 6,6 is made from Hexamethylene diamine and adipic acid as shown in the figure below. Spinnin...
Saturday, 23 May 2009

Properties of Acetate Rayon

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Properties of Acetate Rayon 55/20/3s means 55 denier yarn, 20 filament and 3 TPI S side. Moisture content of sec. Cellulose acetate is 6.5% ...
Friday, 22 May 2009

Manufacturing Process of Acetate Rayon

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Acetate Rayon We know that Alcohol + Acid --> Ester If the cellulose is treated with acetic acid under certain conditions the free hydrox...
Friday, 15 May 2009

Properties of Cuprammonium Rayon

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Properties of Cuprammonium Rayon 1. The one important characteristic of these fibres is their extreme fineness. Filaments as fine as 1.33 de...
Thursday, 14 May 2009

Manufacturing Process of Cuprammonium Rayon

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Cuprammonium Rayon Like Viscose Rayon, cuprammonium rayon is also a regenerated cellulose fibre. Cotton linters are used as the source of ce...
Wednesday, 13 May 2009

Properties of Viscose Rayon

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Properties of Viscose Rayon Moisture Absorption It absorbs more moisture than cotton. Moisture Content of Coton is 6% at 70 deg F and 65% RH...
Tuesday, 12 May 2009

Manufacturing Process of Viscose Rayon

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Viscose Rayon It is a regenerated cellulosic fibre and cellulose is the raw material for producing this man made fibre. The raw material is...
Sunday, 3 May 2009

Common Yarn Faults in Manmade Fibres

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Common Yarn Faults in manmade fibres 1. Slubs: Slub like thick faults seriously mar the appearance of fabrics made from manmade fibres. The ...