Fabric formaldehyde-free fixing agent and preparation method thereof
A formaldehyde-free color-fixing agent and fabric technology, which can be used in dyeing, textiles, and papermaking. It can solve the problems of fabric staining, easy fading, and old fabrics, and achieve the effect of improving washing fastness and simple preparation process.
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Embodiment 1
[0014] A fabric formaldehyde-free color-fixing agent, comprising the following components in parts by weight: 15 parts of n-butyl acrylate, 5 parts of chitosan quaternary ammonium salt, 6 parts of isobornyl methacrylate, acryloyloxyethyl 7 parts of trimethylammonium chloride, 8 parts of triallylamine, 2 parts of vinyl siloxane, 3 parts of glacial acetic acid, 0.1 part of azobisisobutylcyanide, and 100 parts of deionized water.
[0015] The preparation method of the present embodiment fabric formaldehyde-free color-fixing agent comprises the steps:
[0016] (1) Dissolve acryloyloxyethyltrimethylammonium chloride and triallylamine in some deionized water, then add azobisisobutylcyanide, and react at 40°C for 1 hour to obtain a reaction solution;
[0017] (2) Continue to add n-butyl acrylate, chitosan quaternary ammonium salt, isobornyl methacrylate, vinyl siloxane and the remaining deionized water to the reaction solution obtained in step (1), keeping the temperature at At 60°C...
Embodiment 2
[0019] A fabric formaldehyde-free color-fixing agent, comprising the following components in parts by weight: 25 parts of n-butyl acrylate, 9 parts of chitosan quaternary ammonium salt, 10 parts of isobornyl methacrylate, acryloyloxyethyl 14 parts of trimethylammonium chloride, 10 parts of triallylamine, 5 parts of vinyl siloxane, 5 parts of glacial acetic acid, 1 part of azobisisobutylcyanide, and 120 parts of deionized water.
[0020] The preparation method of the present embodiment fabric formaldehyde-free color-fixing agent comprises the steps:
[0021] (1) Dissolve acryloyloxyethyltrimethylammonium chloride and triallylamine in some deionized water, then add azobisisobutylcyanide, and react at 60°C for 2 hours to obtain a reaction solution;
[0022] (2) Continue to add n-butyl acrylate, chitosan quaternary ammonium salt, isobornyl methacrylate, vinyl siloxane and the remaining deionized water to the reaction solution obtained in step (1), keeping the temperature at Keep ...
Embodiment 3
[0024] A fabric formaldehyde-free color-fixing agent, comprising the following components in parts by weight: 20 parts of n-butyl acrylate, 7 parts of chitosan quaternary ammonium salt, 8 parts of isobornyl methacrylate, acryloyloxyethyl 12 parts of trimethylammonium chloride, 9 parts of triallylamine, 4 parts of vinyl siloxane, 4 parts of glacial acetic acid, 0.5 parts of azobisisobutylcyanide, and 110 parts of deionized water.
[0025] The preparation method of the present embodiment fabric formaldehyde-free color-fixing agent comprises the steps:
[0026] (1) Dissolve acryloyloxyethyltrimethylammonium chloride and triallylamine in some deionized water, then add azobisisobutylcyanide, and react at 50°C for 1.5h to obtain a reaction solution;
[0027] (2) Continue to add n-butyl acrylate, chitosan quaternary ammonium salt, isobornyl methacrylate, vinyl siloxane and the remaining deionized water to the reaction solution obtained in step (1), keeping the temperature at At 45°C...
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