Scouring agent and its preparation method and application

Abstract

The invention discloses a scouring agent and a preparation method and application thereof. The scouring agent specifically comprises the following components by weight: 15-20 parts of secondary alkyl sodium sulfonate, 3-5 parts of emulsifier, 10-15 parts of alkyl glycoside, 3-5 parts of alcohol ether carboxylate, 3-5 parts of magnesium chloride, 3-5 parts of sodium gluconate, 18-20 parts of organic solvent, and 25-45 parts of water. The preparation method comprises: mixing secondary alkyl sodium sulfonate, emulsifier, alkyl glycoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent by weight to obtain a mixture; adding water to the mixture to a total weight of 100 parts, compounding, and obtaining a scouring agent. The scouring agent obtained by the formula and preparation method of the invention is a phosphorus-free and environmentally friendly scouring agent, which can achieve the stability of textiles in a continuous processing process, and can avoid the occurrence of holes in textiles and the occurrence of textiles being stained after wax precipitation.

Description

Technical Field

[0001] The invention relates to the technical field of textile printing and dyeing auxiliaries, and in particular to a scouring agent and a preparation method and application thereof. Background Art

[0002] With the further improvement of international and domestic textile industry standards, printing and dyeing processing technology has put forward higher requirements for printing and dyeing auxiliaries. In the textile industry, scouring agent is one of the commonly used printing and dyeing auxiliaries, which is often used to remove natural impurities, contaminants and weaving slurry on various textiles.

[0003] In the prior art, scouring agents are mostly surfactants such as alkyl phosphates and alkylphenol polyoxyethylene ethers, and these surfactants are all non-environmentally friendly surfactants. Among them, surfactants containing alkyl phosphates are prone to cause eutrophication of water bodies; alkylphenol polyoxyethylene ether surfactants are resistant to biodegradation and carcinogenic. Therefore, the development of environmentally friendly scouring agents is particularly important. However, existing environmentally friendly scouring agents cannot achieve the stability of the continuous processing of textiles, nor can they meet the requirements of textile whiteness and continuous processing efficiency.

[0004] In summary, there is an urgent need for an environmentally friendly and efficient scouring agent to solve the problems existing in the prior art. Summary of the invention

[0005] In order to solve at least one of the above technical problems, an environmentally friendly and efficient scouring agent is developed. The present invention provides a scouring agent and a preparation method and application thereof.

[0006] On the one hand, the present invention provides a scouring agent, which specifically includes the following components in parts by weight: 15 to 20 parts of secondary alkyl sodium sulfonate, 3 to 5 parts of emulsifier, 10 to 15 parts of alkyl glycoside, 3 to 5 parts of alcohol ether carboxylate, 3 to 5 parts of magnesium chloride, 3 to 5 parts of sodium gluconate, 18 to 20 parts of organic solvent, and 25 to 45 parts of water.

[0007] By adopting the above technical scheme, the scouring agent provided by the present invention is a phosphorus-free and environmentally friendly scouring agent, and can achieve the stability of textiles during continuous processing. The present invention adds sodium secondary alkyl sulfonate, emulsifier, alkyl glycoside and alcohol ether carboxylate, and the combination of these four substances can improve the scouring performance and alkali resistance of the scouring agent, and can ensure the dyeing rate and fixation rate of textiles during continuous processing; at the same time, it can also ensure the removal rate of wax and slurry.

[0008] The present invention also adds magnesium chloride, sodium gluconate and an organic solvent, which can further ensure the superior performance of the textile during continuous processing. The addition of magnesium chloride can prevent the scouring agent performance from being greatly changed due to insufficient use of other auxiliaries or abnormal fluctuations in water quality during continuous processing, thereby ensuring that the whiteness of the textile reaches the best; sodium gluconate has a strong iron ion control ability, so the addition of sodium gluconate can avoid the occurrence of holes on the textile; the organic solvent can reduce the possibility of wax precipitation and back staining the textile due to cooling or consumption of emulsifier after the wax is dissolved at high temperature.

[0009] Optionally, the emulsifier includes isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether and long-chain fatty acid methyl ester polyoxyethylene (5) ether in a mass ratio of 1-3:1-2:1-2.

[0010] Optionally, the alkyl glycoside comprises glucoside.

[0011] Optionally, the glucoside includes any one or more glucosides having 8 to 12 carbon atoms.

[0012] Optionally, the glucoside is a mixture of glucosides with carbon numbers of 8 and 10; wherein the mass ratio of the glucoside with carbon numbers of 8 to the glucoside with carbon numbers of 10 is 0.5-1.5:1-3.

[0013] Optionally, the alcohol ether carboxylates include any one or more alcohol ether carboxylates having 10 to 14 carbon atoms.

[0014] Optionally, the alcohol ether carboxylate is a mixture of alcohol ether carboxylates having 10 and 12 carbon atoms, wherein the mass ratio of the alcohol ether carboxylates having 10 carbon atoms to the alcohol ether carboxylates having 12 carbon atoms is 3-5:0.5-1.5.

[0015] Optionally, the organic solvent includes diethylene glycol and diethylene glycol butyl ether, and contains neopentyl glycol; wherein the mass ratio of diethylene glycol, diethylene glycol butyl ether and neopentyl glycol is 2-3:1-2:2-3.

[0016] In a second aspect, the present invention provides a method for preparing the above-mentioned scouring agent, comprising the following steps:

[0017] S1: mixing sodium secondary alkyl sulfonate, emulsifier, alkyl glucoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent according to weight parts to obtain a mixture;

[0018] S2: adding water to the mixture to make the total weight parts 100 parts, compounding, and preparing a scouring agent.

[0019] In a third aspect, the present invention provides application of the above scouring agent in the field of textile printing and dyeing.

[0020] In summary, the present invention includes at least one of the following beneficial technical effects:

[0021] 1. The scouring agent provided by the present invention is a phosphorus-free and environmentally friendly scouring agent, which can achieve the stability of textiles during continuous processing.

[0022] 2. The scouring agent provided by the present invention contains sodium secondary alkyl sulfonate, emulsifier, alkyl glycoside and alcohol ether carboxylate, which can improve the scouring performance and alkali resistance of the scouring agent, ensure the dyeing rate and fixation rate of textiles; at the same time, it can also ensure the removal rate of wax and slurry.

[0023] 3. The scouring agent provided by the present invention contains magnesium chloride, which can avoid a significant change in the performance of the scouring agent caused by insufficient use of other auxiliaries or abnormal fluctuations in water quality during the scouring of textiles, thereby ensuring that the whiteness of the textiles reaches the best.

[0024] 4. Sodium gluconate is added to the scouring agent provided by the present invention, which can prevent the occurrence of holes on textiles.

[0025] 5. The scouring agent provided by the present invention contains an organic solvent, which can reduce the possibility of wax precipitation and back staining of textiles due to cooling or consumption of emulsifier after the wax is dissolved at high temperature. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below with reference to the embodiments.

[0027] The invention discloses a scouring agent, which specifically comprises the following components by weight: 15-20 parts of secondary alkyl sodium sulfonate, 3-5 parts of emulsifier, 10-15 parts of alkyl glycoside, 3-5 parts of alcohol ether carboxylate, 3-5 parts of magnesium chloride, 3-5 parts of sodium gluconate, 18-20 parts of organic solvent and 25-45 parts of water.

[0028] When the applicant improved the formula of the scouring agent, it was found that the existing environmentally friendly scouring agent could not guarantee the stability of the performance of textiles during continuous processing. Therefore, the present invention adds sodium secondary alkyl sulfonate, emulsifier, alkyl glycoside and alcohol ether carboxylate. The combination of sodium secondary alkyl sulfonate, emulsifier, alkyl glycoside and alcohol ether carboxylate can improve the scouring performance and alkali resistance of the scouring agent, and can guarantee the dyeing rate and fixation rate of textiles during continuous processing; at the same time, it can also ensure the removal rate of wax and slurry, thereby achieving the stability of the performance of textiles during continuous processing.

[0029] In order to avoid a significant change in the performance of the scouring agent due to insufficient use of other additives or abnormal fluctuations in water quality during continuous processing, the applicant further added magnesium chloride to the scouring agent as a stabilizer to achieve the best whiteness of the textile. In order to prevent holes in the textile and wax staining, the applicant also added sodium gluconate and organic solvents with iron ion control capabilities to the scouring agent.

[0030] The scouring agent of the present invention is prepared by the following method, comprising the following steps:

[0031] S1: mixing sodium secondary alkyl sulfonate, emulsifier, alkyl glucoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent according to weight parts to obtain a mixture;

[0032] S2: adding water to the mixture to make the total weight parts 100 parts, compounding, and preparing a scouring agent.

[0033] The scouring agent of the present invention can be used in the field of textile printing and dyeing. Specific embodiments

[0035] Example 1

[0036] 5.41 kg of sodium secondary alkyl sulfonate, 0.34 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.26 kg of oleyl alcohol polyoxyethylene (7) ether, 0.31 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.31 kg of glucoside with a carbon number of 8, 2.61 kg of glucoside with a carbon number of 10, 0.73 kg of alcohol ether carboxylate with a carbon number of 10, 0.18 kg of alcohol ether carboxylate with a carbon number of 12, 0.91 kg of magnesium chloride, 0.92 kg of sodium gluconate and 5.71 kg of an organic solvent are mixed to obtain a mixture; 11.31 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0037] The organic solvent (5.71 kg) includes (2.20 kg) of diethylene glycol and (1.31 kg) of diethylene glycol butyl ether, and (2.20 kg) of neopentyl glycol is dissolved therein.

[0038] Example 2

[0039] 4.51 kg of sodium secondary alkyl sulfonate, 0.35 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.35 kg of oleyl alcohol polyoxyethylene (7) ether, 0.35 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.00 kg of glucoside with a carbon number of 8, 2.01 kg of glucoside with a carbon number of 10, 0.90 kg of alcohol ether carboxylate with a carbon number of 10, 0.15 kg of alcohol ether carboxylate with a carbon number of 12, 1.05 kg of magnesium chloride, 1.05 kg of sodium gluconate and 5.39 kg of an organic solvent are mixed to obtain a mixture; 12.89 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0040] The organic solvent (5.39 kg) includes (2.16 kg) diethylene glycol and (1.07 kg) diethylene glycol butyl ether, and (2.16 kg) neopentyl glycol is dissolved therein.

[0041] Example 3

[0042] 4.78 kg of sodium secondary alkyl sulfonate, 0.42 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.36 kg of oleyl alcohol polyoxyethylene (7) ether, 0.45 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.40 kg of glucoside with a carbon number of 8, 2.81 kg of glucoside with a carbon number of 10, 0.88 kg of alcohol ether carboxylate with a carbon number of 10, 0.23 kg of alcohol ether carboxylate with a carbon number of 12, 1.29 kg of magnesium chloride, 1.26 kg of sodium gluconate and 5.76 kg of an organic solvent are mixed to obtain a mixture; 10.36 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0043] The organic solvent (5.76 kg) includes 2.21 kg of diethylene glycol and 1.26 kg of diethylene glycol butyl ether, and 2.29 kg of neopentyl glycol is dissolved therein.

[0044] Example 4

[0045] 5.13 kg of sodium secondary alkyl sulfonate, 0.59 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.42 kg of oleyl alcohol polyoxyethylene (7) ether, 0.28 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.24 kg of glucoside with a carbon number of 8, 2.37 kg of glucoside with a carbon number of 10, 1.13 kg of alcohol ether carboxylate with a carbon number of 10, 0.22 kg of alcohol ether carboxylate with a carbon number of 12, 1.17 kg of magnesium chloride, 1.21 kg of sodium gluconate and 5.61 g of an organic solvent are mixed to obtain a mixture; 10.63 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0046] The organic solvent (5.61 kg) includes 2.39 kg of diethylene glycol and 1.06 kg of diethylene glycol butyl ether, and 2.16 kg of neopentyl glycol is dissolved therein.

[0047] Example 5

[0048] 5.74 kg of sodium secondary alkyl sulfonate, 0.44 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.26 kg of oleyl alcohol polyoxyethylene (7) ether, 0.23 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.12 kg of glucoside with a carbon number of 8, 2.24 kg of glucoside with a carbon number of 10, 0.91 kg of alcohol ether carboxylate with a carbon number of 10, 0.33 kg of alcohol ether carboxylate with a carbon number of 12, 1.41 kg of magnesium chloride, 1.08 kg of sodium gluconate and 5.91 g of an organic solvent are mixed to obtain a mixture; 10.33 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0049] The organic solvent (5.91 kg) includes (2.16 kg) diethylene glycol and (1.74 kg) diethylene glycol butyl ether, and (2.01 kg) neopentyl glycol is dissolved therein.

[0050] Example 6

[0051] 6.01 kg of sodium secondary alkyl sulfonate, 0.64 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.43 kg of oleyl alcohol polyoxyethylene (7) ether, 0.42 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.49 kg of glucoside with a carbon number of 8, 3.01 kg of glucoside with a carbon number of 10, 1.16 kg of alcohol ether carboxylate with a carbon number of 10, 0.35 kg of alcohol ether carboxylate with a carbon number of 12, 1.49 kg of magnesium chloride, 1.51 kg of sodium gluconate and 5.99 kg of an organic solvent are mixed to obtain a mixture; 7.50 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0052] The organic solvent (5.99 kg) includes (2.24 kg) diethylene glycol and (1.50 kg) diethylene glycol butyl ether, and (2.25 kg) neopentyl glycol is dissolved therein.

[0053] Example 7

[0054] 5.87 kg of sodium secondary alkyl sulfonate, 0.42 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.36 kg of oleyl alcohol polyoxyethylene (7) ether, 0.21 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.29 kg of glucoside with a carbon number of 9, 2.36 kg of glucoside with a carbon number of 11, 0.68 kg of alcohol ether carboxylate with a carbon number of 11, 0.23 kg of alcohol ether carboxylate with a carbon number of 13, 0.92 kg of magnesium chloride, 0.89 kg of sodium gluconate and 5.81 kg of an organic solvent are mixed to obtain a mixture; 10.96 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0055] The organic solvent (5.81 kg) includes (2.21 kg) diethylene glycol and (1.41 kg) diethylene glycol butyl ether, and (2.29 kg) neopentyl glycol is dissolved therein.

[0056] Example 8

[0057] 5.63 kg of sodium secondary alkyl sulfonate, 0.40 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.32 kg of oleyl alcohol polyoxyethylene (7) ether, 0.19 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.43 kg of glucoside with a carbon number of 9, 1.09 kg of glucoside with a carbon number of 11, 1.23 kg of glucoside with a carbon number of 12, 0.32 kg of alcohol ether carboxylate with a carbon number of 10, 0.34 kg of alcohol ether carboxylate with a carbon number of 11, 0.24 kg of alcohol ether carboxylate with a carbon number of 14, 0.98 kg of magnesium chloride, 0.97 kg of sodium gluconate and 5.87 kg of an organic solvent are mixed to obtain a mixture; 10.99 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0058] The organic solvent (5.87 kg) includes (2.17 kg) diethylene glycol and (1.37 kg) diethylene glycol butyl ether, and (2.33 kg) neopentyl glycol is dissolved therein.

[0059] Example 9

[0060] 5.76 kg of sodium secondary alkyl sulfonate, 0.45 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.29 kg of oleyl alcohol polyoxyethylene (7) ether, 0.21 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 1.24 kg of glucoside with a carbon number of 8, 0.89 kg of glucoside with a carbon number of 9, 1.41 kg of glucoside with a carbon number of 10, 0.27 kg of alcohol ether carboxylate with a carbon number of 12, 0.51 kg of alcohol ether carboxylate with a carbon number of 13, 0.16 kg of alcohol ether carboxylate with a carbon number of 14, 1.02 kg of magnesium chloride, 1.19 kg of sodium gluconate and 5.93 kg of an organic solvent are mixed to obtain a mixture; 10.67 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0061] The organic solvent (5.93 kg) includes (2.43 kg) diethylene glycol and (1.46 kg) diethylene glycol butyl ether, and (2.04 kg) neopentyl glycol is dissolved therein.

[0062] Example 10

[0063] 5.99 kg of sodium secondary alkyl sulfonate, 0.54 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.37 kg of oleyl alcohol polyoxyethylene (7) ether, 0.25 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 2.32 kg of glucoside with a carbon number of 11, 2.09 kg of glucoside with a carbon number of 12, 0.40 kg of alcohol ether carboxylate with a carbon number of 11, 0.52 kg of alcohol ether carboxylate with a carbon number of 12, 1.26 kg of magnesium chloride, 1.09 kg of sodium gluconate and 5.86 kg of an organic solvent are mixed to obtain a mixture; 9.31 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0064] The organic solvent (5.86 kg) includes 2.36 kg of diethylene glycol and 0.98 kg of diethylene glycol butyl ether, and 2.52 kg of neopentyl glycol is dissolved therein.

[0065] Embodiment 11

[0066] 5.83 kg of sodium secondary alkyl sulfonate, 0.47 kg of isodecyl alcohol polyoxyethylene (6) ether, 0.29 kg of oleyl alcohol polyoxyethylene (7) ether, 0.22 kg of long-chain fatty acid methyl ester polyoxyethylene (5) ether, 0.76 kg of glucoside with a carbon number of 8, 0.47 kg of glucoside with a carbon number of 9, 0.69 kg of glucoside with a carbon number of 10, 0.88 kg of glucoside with a carbon number of 11, 0.36 kg of glucoside with a carbon number of 12, 0.21 kg of alcohol ether carboxylate with a carbon number of 10, 0.17 kg of alcohol ether carboxylate with a carbon number of 11, 0.13 kg of alcohol ether carboxylate with a carbon number of 12, 0.09 kg of alcohol ether carboxylate with a carbon number of 13, 0.46 kg of alcohol ether carboxylate with a carbon number of 14, 1.18 kg of magnesium chloride, 0.92 kg of sodium gluconate and 5.74 kg of an organic solvent are mixed to obtain a mixture; 11.13 kg of water is added to the mixture, and compounding is performed to obtain a scouring agent.

[0067] The organic solvent (5.74 kg) includes 2.01 kg of diethylene glycol and 1.46 kg of diethylene glycol butyl ether, and 2.27 kg of neopentyl glycol is dissolved therein.

[0068] Comparative Example 1

[0069] Commercially available environmentally friendly scouring agent.

[0070] Comparative Example 2

[0071] Based on Example 1, the step of adding sodium secondary alkyl sulfonate was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0072] Comparative Example 3

[0073] Based on Example 1, the step of adding isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether and long-chain fatty acid methyl ester polyoxyethylene (5) ether was omitted; the other steps, parameters and conditions were the same as those in Example 1.

[0074] Comparative Example 4

[0075] Based on Example 1, the step of adding glucoside was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0076] Comparative Example 5

[0077] Based on Example 1, the step of adding alcohol ether carboxylate was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0078] Comparative Example 6

[0079] Based on Example 1, the steps of adding sodium secondary alkyl sulfonate, isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether, long-chain fatty acid methyl ester polyoxyethylene (5) ether, glucoside and alcohol ether carboxylate were omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0080] Experimental test 1

[0081] The alkali resistance of the scouring agents prepared in Examples 1 to 11, the commercially available environmentally friendly scouring agent selected in Comparative Example 1, and the scouring agents prepared in Comparative Examples 2 to 6 was tested; the test results are shown in Table 1.

[0082]

[0083] Table 1 Summary of alkali resistance test results

[0084] Referring to Table 1, the scouring agents prepared in Examples 1 to 11 still exist stably in a 100% NaOH environment of 180 g / L without any changes, and only become unstable when 100% NaOH reaches 200 g / L; while the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 6 become unstable in an 80 g / L 100% NaOH environment, and the scouring agents prepared in Comparative Examples 2 to 5 begin to change in an 80 g / L 100% NaOH environment and become completely unstable in an 100 g / L 100% NaOH environment. Therefore, the alkali resistance of the scouring agents prepared in Examples 1 to 11 is better than that of the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agents prepared in Comparative Examples 2 to 6.

[0085] The mechanism is that the scouring agents prepared in Examples 1 to 11 contain sodium secondary alkyl sulfonate, isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether, long-chain fatty acid methyl ester polyoxyethylene (5) ether, glucoside and alcohol ether carboxylate, and the combination of these substances can improve the alkali resistance of the scouring agent; however, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 6 do not contain these substances; the scouring agent prepared in Comparative Example 2 does not contain sodium secondary alkyl sulfonate, the scouring agent prepared in Comparative Example 3 does not contain isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether and long-chain fatty acid methyl ester polyoxyethylene (5) ether, the scouring agent prepared in Comparative Example 4 does not contain glucoside, and the scouring agent prepared in Comparative Example 5 does not contain alcohol ether carboxylate. Therefore, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agents prepared in Comparative Examples 2 to 6 cannot exert the synergistic effect of these substances and cannot improve the alkali resistance of the scouring agent.

[0086] Therefore, the scouring agents prepared in Examples 1 to 11 have excellent alkali resistance.

[0087] Experimental test 2

[0088] The scouring agents prepared in Examples 1 to 11, the commercially available environmentally friendly scouring agents selected in Comparative Example 1, and the scouring agents prepared in Comparative Examples 2 to 6 were used to continuously process textiles to detect the scouring performance of the scouring agents; wherein the textiles were all-cotton wovens, and the treatment environment was a mixed solution consisting of 5 g / L liquid alkali and 8 g / L hydrogen peroxide; the above test results are shown in Table 2.

[0089]

[0090]

[0091] Table 2 Summary of Scouring Performance Test Results

[0092] Experimental test three

[0093] The dye uptake rate, color fixation rate, and wax and size removal rate of the cotton woven fabric after the continuous processing in the second experimental test were tested; the above test results are shown in Table 3.

[0094]

[0095]

[0096]

[0097]

[0098]

[0099] Table 3 Summary of test results of dye uptake, fixation rate and removal rate

[0100] Referring to Table 2, when the scouring agents prepared in Examples 1 to 11 were used to continuously process the cotton woven fabrics, the wool effects of the cotton woven fabrics were all above 2.90 cm at 1 minute, and the wool effects of the cotton woven fabrics were all above 11.90 cm at 30 minutes; while when the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agents prepared in Comparative Examples 2 to 6 were used to continuously process the cotton woven fabrics, the wool effects of the cotton woven fabrics were all less than 0.35 cm at 1 minute, and the wool effects of the cotton woven fabrics were all less than 2.65 cm at 30 minutes.

[0101] Referring to Table 3, when the scouring agent prepared in Examples 1 to 11 was used to continuously process the cotton woven fabric, the average values ​​of the dye uptake rate, color fixation rate and removal rate of the cotton woven fabric were all above 98.80%; while when the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Examples 2 to 6 were used to continuously process the cotton woven fabric, the average values ​​of the dye uptake rate, color fixation rate and removal rate of the cotton woven fabric were all less than 61.50%.

[0102] Therefore, the scouring performance of the scouring agents prepared in Examples 1 to 11 is better than that of the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agents prepared in Comparative Examples 2 to 6.

[0103] The mechanism is that sodium secondary alkyl sulfonate, isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether, long-chain fatty acid methyl ester polyoxyethylene (5) ether, glucoside and alcohol ether carboxylate are added to the scouring agents prepared in Examples 1 to 11. The combination of these substances can improve the scouring performance of the scouring agent, thereby achieving the best wool effect of all-cotton woven fabrics, thereby improving the dyeing rate, fixation rate and wax and size removal rate of all-cotton woven fabrics.

[0104] However, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 6 do not contain these substances; the scouring agent prepared in Comparative Example 2 does not contain sodium secondary alkyl sulfonate, the scouring agent prepared in Comparative Example 3 does not contain isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether and long-chain fatty acid methyl ester polyoxyethylene (5) ether, the scouring agent prepared in Comparative Example 4 does not contain glucoside, and the scouring agent prepared in Comparative Example 5 does not contain alcohol ether carboxylate. Therefore, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agents prepared in Comparative Examples 2 to 6 cannot exert the synergistic effect of these substances and cannot improve the scouring performance of the scouring agent.

[0105] Therefore, the scouring agents prepared in Examples 1 to 11 have excellent scouring performance.

[0106] Comparative Example 7

[0107] Based on Example 1, the step of adding magnesium chloride was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0108] Experimental test 4

[0109] The scouring agents prepared in Examples 1 to 11, the commercially available environmentally friendly scouring agent selected in Comparative Example 1, and the scouring agent prepared in Comparative Example 7 were used to continuously process textiles, and the whiteness of the processed textiles was tested; the test results are as follows:

[0110] When the scouring agents prepared in Examples 1 to 11 are used to continuously process textiles, the whiteness of the textiles can reach the best; however, when the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 7 are used to continuously process textiles, the whiteness of the textiles is very poor.

[0111] The mechanism is that magnesium chloride is added to the scouring agents prepared in Examples 1 to 11, and the magnesium chloride can prevent the scouring agent performance from being greatly changed due to insufficient use of other auxiliaries or abnormal fluctuations in water quality during continuous processing of the textile, thereby ensuring that the whiteness of the textile reaches the best; while the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 7 do not contain magnesium chloride, so it is impossible to avoid a significant change in the scouring agent performance, thereby failing to ensure that the whiteness of the textile reaches the best.

[0112] Therefore, the scouring agents prepared in Examples 1 to 11 can ensure that the whiteness of the textiles reaches the best.

[0113] Comparative Example 8

[0114] Based on Example 1, the step of adding sodium gluconate was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0115] Experimental test five

[0116] The textiles were continuously processed using the scouring agents prepared in Examples 1 to 11, the commercially available environmentally friendly scouring agent selected in Comparative Example 1, and the scouring agent prepared in Comparative Example 8, and the holes in the processed textiles were tested; the test results are shown in Table 4.

[0117]

[0118]

[0119] Table 4 Summary of holes

[0120] Referring to Table 4, the scouring agents prepared in Examples 1 to 11 did not cause holes in the textiles when the textiles were continuously processed; while the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 8 caused serious holes in the textiles when the textiles were continuously processed. Therefore, the scouring agents prepared in Examples 1 to 11 are less likely to cause holes in the textiles than the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 8.

[0121] The mechanism is that sodium gluconate is added to the scouring agents prepared in Examples 1 to 11, and the sodium gluconate has a strong ability to control iron ions and can prevent the formation of holes on textiles; however, sodium gluconate is not added to the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 8. Therefore, the scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 8 cannot prevent the formation of holes on textiles.

[0122] Therefore, when the scouring agents prepared in Examples 1 to 11 are used to continuously process textiles, holes are less likely to appear.

[0123] Comparative Example 9

[0124] Based on Example 1, the step of adding an organic solvent was omitted; other steps, parameters and conditions were consistent with those in Example 1.

[0125] Experimental test six

[0126] The textiles were continuously processed using the scouring agents prepared in Examples 1 to 11, the commercially available environmentally friendly scouring agent selected in Comparative Example 1, and the scouring agent prepared in Comparative Example 9, and the wax back staining of the processed textiles was tested; the test results are shown in Table 5.

[0127]

[0128] Table 5 Summary of wax back staining

[0129] Referring to Table 5, the scouring agents prepared in Examples 1 to 11 did not cause wax staining when the textiles were continuously processed; while the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 9 caused serious wax staining on the textiles when the textiles were continuously processed. Therefore, the scouring agents prepared in Examples 1 to 11 are less likely to cause wax staining on the textiles than the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 8.

[0130] The mechanism is that organic solvents are added to the scouring agents prepared in Examples 1 to 11, and the organic solvents can reduce the possibility of wax precipitation and re-staining the textiles due to cooling or consumption of the emulsifier after the wax is dissolved at high temperature; however, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 9 do not add organic solvents. Therefore, the commercially available environmentally friendly scouring agent selected in Comparative Example 1 and the scouring agent prepared in Comparative Example 9 cannot prevent the wax from re-staining the textiles.

[0131] Therefore, when the scouring agents prepared in Examples 1 to 11 are used to continuously process textiles, wax staining is less likely to occur.

[0132] In summary, the scouring agent obtained by adopting the scouring agent formula and preparation method provided by the present invention has high superiority.

[0133] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A scouring agent, characterized in that The invention specifically comprises the following components by weight: 15-20 parts of secondary alkyl sodium sulfonate, 3-5 parts of emulsifier, 10-15 parts of alkyl polyglycoside, 3-5 parts of alcohol ether carboxylate, 3-5 parts of magnesium chloride, 3-5 parts of sodium gluconate, 18-20 parts of organic solvent, and 25-45 parts of water; The alkyl glycoside includes glucoside, and the glucoside is a mixture of glucosides with carbon atoms of 8 and 10; wherein the mass ratio between the glucoside with carbon atoms of 8 and the glucoside with carbon atoms of 10 is 0.5-1.5:1-3; The emulsifier comprises isodecyl alcohol polyoxyethylene (6) ether, oleyl alcohol polyoxyethylene (7) ether and long-chain fatty acid methyl ester polyoxyethylene (5) ether in a mass ratio of 1-3:1-2:1-2; The alcohol ether carboxylate is a mixture of alcohol ether carboxylates having 10 and 12 carbon atoms, wherein the mass ratio of the alcohol ether carboxylates having 10 carbon atoms to the alcohol ether carboxylates having 12 carbon atoms is 3-5:0.5-1.

5.

2. The scouring agent according to claim 1, characterized in that The organic solvent includes diethylene glycol and diethylene glycol butyl ether, and dissolves neopentyl glycol; wherein the mass ratio of diethylene glycol, diethylene glycol butyl ether and neopentyl glycol is 2-3:1-2:2-3.

3. A method for preparing the scouring agent according to claim 1, characterized in that: The following steps are involved: S1: mixing sodium secondary alkyl sulfonate, emulsifier, alkyl glucoside, alcohol ether carboxylate, magnesium chloride, sodium gluconate and organic solvent according to weight parts to obtain a mixture; S2: adding water to the mixture to make the total weight parts 100 parts, compounding, and preparing a scouring agent.

4. Use of the scouring agent according to claim 1 in the field of textile printing and dyeing.

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