Dyeing enzyme for improving pilling resistance of polyester-cotton knitted fabric and preparation method of dyeing enzyme
An anti-pilling, knitted fabric technology, applied in the direction of plant fibers, abrasion-resistant fibers, textiles and papermaking, etc., can solve problems such as difficulty in meeting wastewater discharge requirements, difficulty in processing printing and dyeing wastewater, and poor biodegradability of surfactants. , to achieve the effect of strong solubility and dispersibility, strong surface activity, and improved refining effect.
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[0030] Example 1
[0031] A refining enzyme for improving the anti-pilling performance of polyester-cotton knitted fabrics, in parts by mass, including 8 parts of heat-resistant weak acid pectinase, 8 parts of cutinase (Novozymes), and 10 parts of wide pH cellulase , C21 monocyclic sodium dibasic 5 parts, biomass polyoxyalkyl ether (C=21, EO=16) 10 parts, biomass polyoxyalkyl ether (C=12, EO=13) 10 parts, N -2 parts of ethyl phthalimide and 47 parts of deionized water; among them, the used biomass polyoxyalkyl ether, according to the method of 1g surfactant + 100g 5wt% NaCl aqueous solution, the cloud point is 80 -100℃;
[0032] The preparation method of the above-mentioned leaching enzyme includes the following steps:
[0033] a) Weigh the corresponding raw materials in accordance with the above-mentioned ratio and set aside;
[0034] b) Under normal temperature and pressure, add water, C21 monocyclic sodium dibasic acid, biomass polyoxyalkyl ether (C=21, EO=16), biomass polyoxyalk...
Example Embodiment
[0038] Example 2
[0039] A refining enzyme for improving the anti-pilling performance of polyester-cotton knitted fabrics, in parts by mass, including 10 parts of heat-resistant weak acid pectinase, 5 parts of cutinase, 8 parts of wide pH cellulase, C21 monocyclic binary 5 parts of acid ammonia, 10 parts of biomass polyoxyalkyl ether (C=21, EO=16), 10 parts of biomass polyoxyalkyl ether (C=12, EO=10), N-propyl phthalate 4 parts formimide and 48 parts deionized water; among them, biomass polyoxyalkyl ether (C=21, EO=16), biomass polyoxyalkyl ether (C=12, EO=10) , According to the method of 1g surfactant + 100g 5wt% NaCl aqueous solution, the cloud point is 80-100℃;
[0040] The preparation method of the refining enzyme includes the following steps:
[0041] a) Weigh the corresponding raw materials in accordance with the above-mentioned ratio and set aside;
[0042] b) Under normal temperature and pressure, add water, C21 monocyclic dibasic acid ammonia, biomass polyoxyalkyl ether (C...
Example Embodiment
[0046] Example 3
[0047] A refining enzyme for improving the anti-pilling performance of polyester-cotton knitted fabrics, in parts by mass, including 5 parts of heat-resistant weak acid pectinase, 10 parts of cutinase, 8 parts of wide pH cellulase, C21 monocyclic binary Acid ammonia 2 parts, C21 monocyclic dibasic potassium 3 parts, biomass polyoxyalkyl ether (C=12, EO=10) 3 parts, biomass polyoxyalkyl ether (C=12, EO=13) 8 parts, 12 parts of biomass polyoxyalkyl ether (C=21, EO=16), 3 parts of N-ethyl phthalimide, 46 parts of deionized water;
[0048] The preparation method of the refining enzyme includes the following steps:
[0049] a) Weigh the corresponding raw materials in accordance with the above-mentioned ratio and set aside;
[0050] b) Under normal temperature and pressure, add water, C21 monocyclic potassium dibasic acid, C21 monocyclic dibasic acid ammonia, and biomass polyoxyalkyl ether (C=12, EO=10) into the reactor equipped with a stirrer. ), biomass polyoxyalkyl e...
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