Fibers of Textile Materials (5): Identification of Fibers 3
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IV. Chemical dissolution method
The chemical dissolution method identifies fibers based on the differences in their dissolving properties in different solvents. It is suitable for a variety of fabric materials, including colored fibers or mixed fibers, yarns and fabrics. The dissolving properties of common solvents and fibers are shown in the table below:
Solvent Fiber Type |
36%~38% hydrochloric acid | 15% hydrochloric acid | 70% sulfuric acid | 5% sodium hydroxide | 85% formic acid | 99% glacial acetic acid | M—Cresol | 99%N-dimethylamide | Xylene or meta-xylene | |||||||||
Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | Normal temperature | boil | |
Cotton | I | P | I | P | S | S0 | I | I | I | I | I | I | I | I | I | I | I | I |
Wool | I | I | I | I | I | I | S | I | I | I | I | I | I | I | I | I | I | |
Silk | P | S | I | S | S0 | I | S | I | I | I | I | I | I | I | S | |||
Ethylene | I | I | I | I | I | — | I | I | I | I | I | I | I | — | I | I | I | S |
Spandex | I | I | I | I | S | S | I | I | I | S0 | I | S | P | S | I | S0 | I | I |
Chlorine | I | I | I | I | I | I | I | I | I | I | I | I | P | S0 | S0 | I | I |
Note S0—dissolve immediately; S—melt; P—partially dissolve; I—insolubilize. Dissolution time: 5 minutes at room temperature and 3 minutes after boiling.
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Through the above description of “Fibers of Textile Materials (V): Identification of Fibers III“, you will be familiar with “Fibers of Textile Materials (V)” : What is your understanding and thoughts on “Three Fiber Identifications“, or if you are interested in purchasing fabrics, you are welcome to post your comments below the website!
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Note S0—dissolve immediately; S—melt; P—partially dissolve; I—insolubilize. Dissolution time: 5 minutes at room temperature and 3 minutes after boiling.
AAAFYYTRUYJY76I
Through the above description of “Fibers of Textile Materials (V): Identification of Fibers III“, you will be familiar with “Fibers of Textile Materials (V)” : What is your understanding and thoughts on “Three Fiber Identifications“, or if you are interested in purchasing fabrics, you are welcome to post your comments below the website!
Disclaimer:
Disclaimer: Some of the texts, pictures, audios, and videos of some articles published on this site are from the Internet and do not represent the views of this site. The copyrights belong to the original authors. If you find that the information reproduced on this website infringes upon your rights and interests, please contact us and we will change or delete it as soon as possible.
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Note S0—dissolve immediately; S—melt; P—partially dissolve; I—insolubilize. Dissolution time: 5 minutes at room temperature and 3 minutes after boiling.
AAAFYYTRUYJY76I
Through the above description of “Fibers of Textile Materials (V): Identification of Fibers III“, you will be familiar with “Fibers of Textile Materials (V)” : What is your understanding and thoughts on “Three Fiber Identifications“, or if you are interested in purchasing fabrics, you are welcome to post your comments below the website!
Disclaimer:
Disclaimer: Some of the texts, pictures, audios, and videos of some articles published on this site are from the Internet and do not represent the views of this site. The copyrights belong to the original authors. If you find that the information reproduced on this website infringes upon your rights and interests, please contact us and we will change or delete it as soon as possible.
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