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Showing posts with label fiber knowledge. Show all posts
Showing posts with label fiber knowledge. Show all posts
Friday, 4 December 2009

Fiber Length and Spinning Performance

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Fiber length in spinning is important because it influences spinning limit, yarn strength, evenness and hairiness. It also contributes to t...
Sunday, 29 November 2009

Influence of Fiber Fineness and Maturity in spinning Process

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Influence of Fiber Fineness and Maturity on spinning Process Fiber Fineness Fiber fineness determine how many fibers are present in ...
Wednesday, 25 November 2009

Fiber Identification - Burning Test- Man-made Fibers

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Viscose Rayon   All viscose including High Wet Modulus scorch and ignite quickly when brought near the flame. Like cotton they burn quic...
Sunday, 22 November 2009

Identification of Natural Fibers by Burning Test

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Identification of Natural Fibers by Burning Test Cotton When cotton is brought near the flame it scorches and ignites readily. In the...
Monday, 28 September 2009

Suitability of a fiber for a blend

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Fibers in a blend are chosen keeping in mind various properties of the constituent fibers. Thus a blend is chosen which gives the best of pr...
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...
Thursday, 4 June 2009

How to Identify Constituent Fibre Percentage in a Blend-2

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Blend of Acrylic with Wool, Silk, Cotton, Viscose, Polyester or Nylon 1. Dissolve the acrylic fibres with (Dimethyl Formamide - DMF). Acryli...
Wednesday, 3 June 2009

How to Identify Constituent Fibre Percentage in a Blend-1

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Blend of Polyester/Cotton (viscose) 1. Take 0.5 to 1.0 gms of blend sample, carefully weighed, and put it in a flask. 2. Add 75% (w/w) Sulp...

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% ...