Yaa Physical Together With Chemic Properties Of Wool Fiber

Physical together with Chemical Properties of Wool Fiber

Mustaque Ahammed Mamun
Quality Assurance Officer,
Lamisa Spinning Ltd. Tongi, Gazipur
Cell: +8801723300703
Email: mamuntex09@gmail.com

Wool Fiber:
Wool is a protein fiber together with it is formed inwards the peel of sheep together with thence it is called creature fiber. It is i of the major creature fiber. Wool fibers are hygroscopic together with the most hydrophilic of textile fibers. Wool fiber every bit good known every bit poly peptide fiber. Wool’s poly peptide known every bit keratin. Keratin is made upward of amino-acids joined past times peptide linkages. It has several qualities that distinguish it from pilus or fur. Wool fiber is crimped, it is elastic, together with it grows inwards staples (clusters). It has been used every bit a stuff fiber for thousands of years.

Wool fiber

Properties of Wool Fiber:
For processing wool fiber, nosotros should know nearly properties of wool fiber. Now I bring discussed the next properties of wool fiber.

1. Physical properties of wool fiber
2. Chemical properties of wool fiber

1. Physical Properties of Wool Fiber:

• Specific Gravity: 1.31
• Length : 35 to 250 mm
• Color: The color of wool fiber could live white, nigh white, brownish together with black.
• Flame reaction : Odor of burnt horn
• Luster: Luster of course of report fiber is higher than fine fiber.
• Moisture Regain: 13-16% , rattling absorbent, decrease strength when wet, appear warmth, volition shrink inwards washing.
• Electrostatic reaction: Highly electrostatic at dry out weather condition
• Strength: Tenacity dry out =1.35 g/d, Wet = dry out 0.69 weak (Due to few H-bond)
• Elasticity: Breaking extension – 42.5 %, Recovery % – 69 at 5%
• Elongation at break: Standard elongation is 25 – 35% together with 25 – 50% inwards moisture condition.
• Feel or Hand: Soft.
• Resiliency: Excellent (due to crimp)
• Abrasion resistance: Good.
• Dimensional stability: Bad (For vogue of felting).
• Effect of Heat: Heat affects the wool fiber greatly.
• Effect of Lord's Day Light: The fibers choke discolored together with prepare a harsh feel.

2. Chemical Properties of Wool Fiber:

• Effect of Acids: Wool is attacked past times hot concentrated sulphuric acid together with decomposes completely. It is inwards full general resistant to mineral acids of all strength fifty-fifty at hotness though nitric acids tend to drive harm past times oxidation. 

• Effects of Alkalis: The chemic nature of wool keratin is such that it is specially sensitive to alkaline metal substances. Wool volition dissolve inwards caustic soda solutions that would bring footling effects on cotton. Strong alkaline metal impact on wool fiber but weak alkaline metal does non impact wool. 

• Effect of Resistance to Compression: Resistance to compression values are useful inwards assessing the suitability of wool for specific halt uses. Resistance to compression (R to C) is the strength per unit of measurement expanse required to compress a fixed volume of wool to a fixed volume. Resistance to compression is related to fiber diameter together with the cast together with frequency of crimp. 

• Effect of Resilience: Wool fibers tin live stretched upward to 50 part of their master copy length when moisture together with thirty part when dry. 

• Effect of Organic Solvent: Wool does non impact inwards organic solvents. 

• Effects of Insects: Wool affected past times insects. 

• Effect of bleach: Chlorine bleach is ordinary harmful to the wool. KMnO4, Na₂O₂ are utilized for bleaching. 

• Effect of Micro Organism: It is affected past times mildew if it remains moisture for long time. 

• Dyeing ability: Wool absorbs many dissimilar dyes deeply, uniformly together with conduct without the role of other chemicals. Because of this ability, wool is known for the beautiful, rich colors that tin live achieved. 

• Effect of Colorfastness: Like cotton fiber wool is tardily to dye. Acid dyes, chrome together with mordant dyes are utilized to dye this. The dye molecules are attracted into the amorphous areas of wool. 

You tin every bit good like:

1. Physical together with Chemical Properties of Wool Fiber
2. Dyeing of Wool amongst Onion Skin
3. Wool Sorting Process
4. What are the Impurities Present inwards Wool? How They tin live Removed?
5. An Overview of Wool Fiber
6. Production Processes for Wool Yarns
7. Carbonizing Process of Wool | Techniques of Wool Carbonizing
8. Effects of Plasma Treatment on Wool
9. What is Woollen together with Worsted Yarns?
10. Wool Glazing Machine | Process of Wool Glazing
11. Wool Finishing Processes
12. Characteristics of Wool Fabrics | Properties of Wool Fabrics
13. Difference betwixt Woolens together with Worsteds Yarn
14. Manufacturing of Worsted together with Woolen Yarns

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