Preparation and application of a formaldehyde-free anti-wrinkle finishing solution for cotton fabrics
A technology for anti-wrinkle finishing and cotton fabrics, which is applied in the fields of plant fiber, fiber treatment, textiles and papermaking, etc. It can solve the problems of large loss of fabric strength, damage to textiles, easy yellowing of fabrics, etc., and achieves no obvious strength loss, low price, Good anti-wrinkle effect
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Embodiment 1
[0030] It is known that the breaking strength of the pure cotton plain weave before finishing is 593.6N, the wrinkle recovery angle is 144.84° and the Hunter whiteness is 93.87.
[0031] (1) Preparation process of anti-wrinkle finishing solution: Maltose and sodium periodate are prepared in a molar ratio of 1:2 to prepare a reaction solution, the mass fraction of maltose is 5%, and the reaction solution is reacted at 20°C for 5 hours, and then added with periodic acid BaCl with a sodium molar ratio of 1:2 2 , after stirring for 1 h, filtered, and the resulting clear solution was mixed with MgCl 2 , JFC, and polyethylene softener are mixed to obtain formaldehyde anti-wrinkle finishing solution, in which MgCl 2 The concentration is 25g / L, the JFC is 2g / L, the polyethylene softener is 2g / L, and the pH of the mixture is 3.
[0032] (2) Anti-wrinkle finishing process: After the bleached cotton cloth is dipped and mixed with the finishing solution, it is dipped twice and rolled tw...
Embodiment 2
[0035] It is known that the breaking strength of the pure cotton plain weave before finishing is 593.6N, the wrinkle recovery angle is 144.84° and the Hunter whiteness is 93.87.
[0036] (1) Preparation process of anti-wrinkle finishing solution: Maltose and sodium periodate are prepared in a molar ratio of 1:3 to prepare a reaction solution, the mass fraction of maltose is 5%, and the reaction solution is reacted at 20°C for 5 hours, and then added with periodic acid BaCl with a sodium molar ratio of 1:2 2 , after stirring for 1 h, filtered, and the resulting clear solution was mixed with MgCl 2 , JFC, and polyethylene softener are mixed to obtain formaldehyde anti-wrinkle finishing solution, in which MgCl 2 Concentration is 20g / L, JFC is 2g / L, polyethylene softener is 2g / L, mixed liquid pH=3.
[0037] (2) Anti-wrinkle finishing process: After the bleached cotton cloth is dipped and mixed with the finishing solution, it is dipped twice and rolled twice to control the liquid...
Embodiment 3
[0040] It is known that the breaking strength of the pure cotton plain weave before finishing is 593.6N, the wrinkle recovery angle is 144.84° and the Hunter whiteness is 93.87.
[0041] (1) Preparation process of anti-wrinkle finishing solution: Maltose and sodium periodate are prepared in a molar ratio of 1:4 to prepare a reaction solution, the mass fraction of maltose is 5%, and the reaction solution is reacted at 20°C for 5 hours, and then added with periodic acid CaCl in a sodium molar ratio of 1:2 2 , after stirring for 1 h, filtered, and the resulting clear solution was mixed with MgCl 2 , JFC, and polyethylene softener are mixed to obtain formaldehyde anti-wrinkle finishing solution, in which MgCl 2 The concentration is 30g / L, the JFC is 5g / L, the polyethylene softener is 5g / L, and the pH of the mixture is 3.
[0042] (2) Anti-wrinkle finishing process: After the bleached cotton cloth is dipped and mixed with the finishing solution, it is dipped twice and rolled twic...
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Abstract
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