Manufacturing method of superfine fiber clothing leather
The invention relates to a manufacturing method of superfine fiber clothing leather and belongs to the technical field of synthetic leather, the manufacturing method of the superfine fiber clothing leather improves a toluene extraction process related to base cloth on the basis of an original synthe...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a manufacturing method of superfine fiber clothing leather and belongs to the technical field of synthetic leather, the manufacturing method of the superfine fiber clothing leather improves a toluene extraction process related to base cloth on the basis of an original synthetic leather manufacturing method, and during the toluene extraction process of the base cloth, the toluene extraction process of the base cloth is reduced; the two sides of the base cloth can be subjected to the negative pressure and the positive pressure of the methylbenzene solvent respectively, compared with the mode that only one side of the base cloth is subjected to the negative pressure in the prior art, the methylbenzene solvent can pass through the inner side of the base cloth more smoothly and rapidly, the methylbenzene extraction efficiency is higher, and compared with the mode that only one side of the base cloth is subjected to the negative pressure, the methylbenzene extraction efficiency is higher. T |
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