সফেনার (SOFTNER) কি ? বিভিন্ন ধরনের সফেনার এর আলোচনা
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| সফেনার (SOFTNER) কি ? বিভিন্ন ধরনের সফেনার এর আলোচনা |
সফেনার টেক্সটাইল ম্যাটেরিয়াল এর সারফেস এ প্রয়োগ করা হয় যা ফেব্রিক এর সারফেস কে স্মুথ এবং সফট করে এবং হ্যান্ড ফিল টা প্লিজেন্ট করে এবং বিশেষ করে গারমেন্টস এর সারভিস এবিলিটি বাড়াই। তাছাড়া সফেনিং এর ফলে ফেব্রিক এর সারফেস এর ডার্ট দূর করে ফেব্রিক কে পরিষ্কার রাখে।
বাজারে বিভিন্ন ধরনের সফেনার পাওয়া যায়। নিচে এগুলার বর্ণনা করা হলো।
Non-ionic softeners :
These are generally ethers and polyglycolic esters, ethoxylated products, paraffin’s and fats. These softening agents are generally less efficient than anionic and cationic ones but they withstand the effects of hard waters, acid or basic environment and also stable in presence of cations and anions.As they do not bear any charge, they are mainly applied by forced application like padding methods. We at Matex have developed a complete range of Non-ionic softeners like Mat soft NISB paste, Mat soft NI flakes, Mat soft NISIL liquid, Mat soft NYS emulsion and NISPE.
1.Imparts bulkier, smooth handle
2.Non yellowing and suitable for whites
3.Does not change dyes shade
4. Compatible with OBA’s and resins
Advantages Of Non-ionic Softeners:
1.Imparts bulkier, smooth handle
2.Non yellowing and suitable for whites
3.Does not change dyes shade
4. Compatible with OBA’s and resins
Anionic softeners:
Anionic softeners are heat stable at normal textile processing temperature and compatible with other components of dye and bleach baths. They can easily be washed off and provide strong antistatic effects and good rewetting properties because their anionic groups are oriented outward and are surrounded by a thick hydration layer. They are often used for special applications, such as medical textiles, or in combination with anionic fluorescent brightening agents.
1. Good rewetting properties
2. Good stability towards heat
3. Less yellowing
4. Good for lubricating yarns
Advantage of Anionic softeners:
1. Good rewetting properties
2. Good stability towards heat
3. Less yellowing
4. Good for lubricating yarns
ওয়েট প্রসেসিং কি এবং এর ব্যাসিক প্রসেস
Disadvantages of Anionic softeners
1. Less softness compared to others
2. Limited durability to laundering
3. Mechanical deposition by padding
4. Incompatible with resins
Cationic softeners
Silicone-based softeners
Silicones are macromolecules comprised of a polymer backbone of alternating Silicon and Oxygen atoms with organic groups attached to silicon. Silicone’s softening capability comes from the siloxane backbone’s flexibility and its freedom of rotation along the Si-O bonds.
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They are insoluble in water, and therefore must be applied on fabrics after emulsification or dissolution in organic solvents. They feature quite good fastness to washing. They create a lubricating and moderately waterproof film on the surface and give fabrics a silky hand.
They provide very special unique hand, high lubricity, good sewability, elastic resilience, crease recovery, abrasion resistance and tear strength. They show good temperature stability and durability, with high degree of permanence for those products that form cross linked films and a range of properties from hydrophobic to hydrophilic. As per the required properties the organoreactive group is modified and the results are achieved.
Matex has a developed a complete range of silicone softeners like
- Diamino silicone(DAS)
- Reactive aminosilicone (RAS)
- Aminofunctional silicone (AFS)
- Organofunctional silicone (OFS)
- Premium amino functional silicone (PAS)
- polyether silicone (HYS)
- epoxy silicone (NYS)
Reactive softeners:
N-methylol derivatives of superior fatty amides or urea compounds replaced with fatty acids. The products have to be cross-linked. They provide permanent softness and water repellency.
Related tag:
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Softener কত প্রকার
কাপড়ের ph কি
Sequestering agent এর কাজ কি
হাইড্রোজ এর কাজ কি
টেক্সটাইল কোয়ালিটি কাজ কি
ওয়েটিং এজেন্ট এর কাজ কি
লেভেলিং এজেন্ট
ক্যামিক্যাল কি
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