CN115897226A - A kind of textile printing and dyeing auxiliary agent and preparation method thereof - Google Patents

Abstract

The invention relates to D06M13/175, in particular to a textile printing and dyeing auxiliary agent and a preparation method thereof. The following raw materials are included: in parts by mass, 12-18 parts of modified clay, 30-40 parts of surfactant, 1-1.5 parts of silicone oil, 5-10 parts of auxiliary agent and 50 parts of water. The textile printing and dyeing auxiliary prepared by the textile printing and dyeing auxiliary and the preparation method thereof has the advantages of high alkali resistance, good permeability, high whiteness and softness, and the like.

Description

A kind of textile printing and dyeing auxiliary agent and preparation method thereof

technical field

The invention relates to D06M13/175, in particular to a textile printing and dyeing auxiliary agent and a preparation method thereof.

Background technique

Before dyeing and printing of textiles, a scouring process is required to remove impurities and oil stains on the cloth surface. The textile printing and dyeing auxiliaries used in this process are called refining agents.

Patent CN201611198545.3 A kind of multifunctional pretreatment refining agent is prepared by nonionic surfactant, nonionic mixture, acrylic acid-hydroxyethyl acrylate copolymer, clay and other substances. The COD of the refining agent is small, but its whiteness and permeability lower.

Patent CN201611166671.0 A kind of oil-removing and low-fat textile refining agent and its preparation method fatty alcohol polyoxyethylene ether, fatty alcohol ether carboxylic acid, isomeric alcohol, sulfosuccinic acid bisamide salt, methacrylic acid, chlorohexanoic acid, The refining agent prepared from tea saponin, alkaline pectinase and other substances has high whiteness and permeability, low residual fat rate, but poor alkali resistance.

The invention provides a textile printing and dyeing auxiliary, which has the advantages of high whiteness, good permeability, etc., and has certain alkali resistance and wider application range.

Contents of the invention

In order to solve the above-mentioned technical problems, the first aspect of the present invention provides a textile printing and dyeing auxiliaries, including the following raw materials: in parts by mass, 12-18 parts of modified clay, 30-40 parts of surfactant, 1-40 parts of silicone oil 1.5 parts, 5-10 parts of additives, 50 parts of water.

Preferably, the modified clay includes at least one of modified fuller's earth, modified bentonite, modified montmorillonite, modified kaolin, modified illite clay, and modified chlorite clay.

Further preferably, the modified clay includes modified montmorillonite.

Preferably, the raw materials for preparing the modified montmorillonite include montmorillonite and quaternary ammonium salt cationic surfactant.

Preferably, the mass ratio of the montmorillonite to the quaternary ammonium salt cationic surfactant is 100:(0.8-1.2).

Preferably, the montmorillonite includes sodium-based montmorillonite and/or calcium-based montmorillonite.

Further preferably, the montmorillonite includes sodium montmorillonite.

Preferably, the quaternary ammonium salt cationic surfactant is a Gemini quaternary ammonium salt cationic surfactant. Montmorillonite can promote the detachment of oil stains from fabrics, but due to the limitation of the nature of montmorillonite itself, its cleaning ability is effective. The present invention is 100:(0.8-1.2) by limiting the Gemini quaternary ammonium salt cationic surfactant and limiting the mass ratio of montmorillonite and quaternary ammonium salt cationic surfactant, significantly increasing the interlayer distance of montmorillonite, controlling the surface pole It can effectively enhance the interaction with oil molecules, improve the removal rate of oil, and obtain fabrics with higher whiteness, especially when the montmorillonite is sodium-based montmorillonite.

Further preferably, said Gemini quaternary ammonium salt cationic surfactant comprises ethylene group [(octamidopropyl dimethyl/decyl amidopropyl dimethyl) chloride/ammonium bromide], ethylene group [(octaamide Propyldimethyl/Laurylamidopropyldimethyl) Chloride/Ammonium Bromide], Ethylene[(Octaamidopropyldimethyl/Myristamidopropyldimethyl) Chloride/Ammonium Bromide] , Ethylene [(octamidopropyl dimethyl / hexadecyl amidopropyl dimethyl) chloride / ammonium bromide], ethylene [ (octamidopropyl dimethyl / octadecamidopropyl dimethyl Base) chlorine/ammonium bromide], at least one of ethylene [(decylamidopropyldimethyl/myristamidopropyldimethyl) chloride/ammonium bromide].

Further preferably, the Gemini quaternary ammonium salt cationic surfactant includes ethylene [(octamidopropyldimethyl/dodecamidopropyldimethyl) chloride/ammonium bromide].

Simultaneously the present invention further study finds that when adopting ethylene group [(octamidopropyl dimethyl/decyl amidopropyl dimethyl) chloride/ammonium bromide], effect is the best, avoids carbon chain too long, and specific surface area is too small, As a result, the prepared textile printing and dyeing auxiliaries cannot be effectively contacted with the oil agent, and the oil agent cannot be fully detached from the fabric surface.

Preferably, the preparation method of the modified montmorillonite comprises the following steps: mix the montmorillonite and deionized water at a mass ratio of 5:100, heat up to 80°C and stir for 1 hour, adjust the pH to 5, and then add For the quaternary ammonium salt cationic surfactant, continue to stir at constant temperature for 5 hours, cool to room temperature, filter with suction, wash, dry, and grind to obtain the product.

Preferably, the surfactants include ionic surfactants and nonionic surfactants. The mass ratio of the ionic surfactant to the nonionic surfactant is (3-5):(5-7).

Preferably, the ionic surfactant includes at least one of sodium alkylsulfonate, sodium alkylbenzenesulfonate, sodium alcohol ether sulfate, phosphate ester salt, and alcohol ether carboxylate.

Further preferably, the ionic surfactant includes alcohol ether sulfate sodium salt.

Preferably, the sodium salt of alcohol ether sulfate is sodium lauryl ether sulfate.

Preferably, the nonionic surfactant includes at least one of alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyoxyethylene polyoxypropylene block polyether, and alkyl glycoside.

Further preferably, the nonionic surfactant includes fatty alcohol polyoxyethylene ether.

Preferably, the fatty alcohol polyoxyethylene ether includes a first fatty alcohol polyoxyethylene ether and a second fatty alcohol polyoxyethylene ether. The mass ratio of the first fatty alcohol polyoxyethylene ether to the second fatty alcohol polyoxyethylene ether is (7-10):(2-4).

Preferably, the hydroxyl value of the first fatty alcohol polyoxyethylene ether is 110-120 mgKOH/g, and the HLB value is 8.5-9.5.

Preferably, the average molecular weight of the second fatty alcohol polyoxyethylene ether is 900-1200.

Preferably, the silicone oil has a viscosity of 800-2000 mPa·s at 25°C.

Preferably, the silicone oil includes at least one of amino-modified silicone oil, epoxy-modified silicone oil, polyether-modified silicone oil, and hydroxyl silicone oil.

Further preferably, the silicone oil includes polyether modified silicone oil.

Preferably, the auxiliary agent includes at least one of antibacterial agent, dispersant, defoamer, complexing agent, synergist, and silane coupling agent.

Further preferably, the auxiliary agent includes a dispersant and a synergist.

Preferably, the dispersant is hyperbranched polyamide.

Preferably, the hyperbranched polyamide includes amino-terminated hyperbranched polyamide and/or hydroxyl-terminated hyperbranched polyamide.

Preferably, the number of amino groups of the amino group-terminated hyperbranched polyamide is 12-16 mol.

Preferably, the average molecular weight of the amino-terminated hyperbranched polyamide is 1900-2200.

Preferably, the synergist includes lauric acid dihydrazide.

The second aspect of the present invention provides a preparation method of textile printing and dyeing auxiliaries, including the following steps: uniformly mix surfactant, silicone oil, auxiliaries, and water, then add modified clay and continue stirring for 2-3 hours.

Beneficial effect:

1) The present invention provides a textile printing and dyeing auxiliaries and a preparation method thereof. The textile printing and dyeing auxiliaries prepared by limiting the types and contents of the raw materials of each substance in the system have high alkali resistance, good permeability, whiteness and softness High strength, especially suitable for acid dyes and reactive dyes.

2) the present invention is 100:(0.8-1.2) by limiting Gemini quaternary ammonium salt cationic surfactant and limiting the mass ratio of sodium montmorillonite, quaternary ammonium salt cationic surfactant, promotes greasy dirt to detach from fabric, improves its Cleaning ability, to obtain fabrics with higher whiteness. Simultaneously the present invention further study finds that when adopting ethylene group [(octamidopropyl dimethyl/decyl amidopropyl dimethyl) chlorine/ammonium bromide] effect is the best, making the obtained textile printing and dyeing auxiliaries have higher Penetration and whiteness.

3) The present invention found that the use of amino-terminated hyperbranched polyamides can form an adsorption layer on the surface of oil particles, effectively prevent the aggregation of oil particles, and promote the formation of a more stable emulsion system, especially when the number of amino groups is 12-16mol and the average molecular weight is 1900 When -2200, further reduce the contact between the decomposition products of the saponification of oil particles and the fabric, and the sodium laureth sulfate with a hydroxyl value of 110-120mgKOH/g and an HLB value of 8.5-9.5 in the system, and an average molecular weight The 900-1200 isomeric tridecanol random polyether works together to further enhance the contact between the fabric and textile printing and dyeing auxiliaries, and has permeability.

Detailed ways

Example

Example 1

A textile printing and dyeing auxiliary agent, comprising the following raw materials: in parts by mass, 15 parts of modified clay, 35 parts of surfactant, 1.2 parts of silicone oil, 8 parts of auxiliary agent, and 50 parts of water.

The modified clay includes modified montmorillonite, and the raw materials for preparing the modified montmorillonite include montmorillonite and quaternary ammonium salt cationic surfactant. The mass ratio of the montmorillonite to the quaternary ammonium salt cationic surfactant is 100:1. The montmorillonite includes Na-based montmorillonite. The quaternary ammonium salt cationic surfactant is a Gemini quaternary ammonium salt cationic surfactant. Described Gemini quaternary ammonium salt cationic surfactant comprises ethylene group [(octamidopropyl dimethyl/dodecyl amidopropyl dimethyl) chloride/ammonium bromide], purchased from Zhengzhou Yihe Fine Chemicals Co., Ltd. .

The preparation method of the modified montmorillonite comprises the following steps: mixing the montmorillonite and deionized water at a mass ratio of 5:100, raising the temperature to 80°C and stirring for 1 hour, and adjusting the pH to 5, and then adding the quaternary ammonium salt For cationic surfactant, continue to stir at constant temperature for 5 hours, cool to room temperature, filter with suction, wash, dry, and grind to obtain the product.

The surfactants include ionic surfactants and nonionic surfactants. The mass ratio of the ionic surfactant to the nonionic surfactant is 4:6.

The ionic surfactants include sodium laureth sulfate, purchased from Hebei Bairunda Chemical Technology Co., Ltd.

The nonionic surfactant includes fatty alcohol polyoxyethylene ether. The fatty alcohol polyoxyethylene ether includes a first fatty alcohol polyoxyethylene ether and a second fatty alcohol polyoxyethylene ether. The mass ratio of the first fatty alcohol polyoxyethylene ether to the second fatty alcohol polyoxyethylene ether is 7:3. The hydroxyl value of the first fatty alcohol polyoxyethylene ether is 115±4 mgKOH/g, the HLB value is 8.5-9.5, and it is purchased from Jiangsu Haian Petrochemical Plant Model: O-5. The average molecular weight of the second fatty alcohol polyoxyethylene ether is 1000±100, model: TPE-1000,

The silicone oil includes polyether modified silicone oil with a viscosity of 800-2000 mPa·s at 25°C, purchased from Jiangsu Daoruiwei Environmental Protection Technology Co., Ltd., model: DF-1200S.

The adjuvants include dispersants and synergists. The dispersant is a hyperbranched polyamide. The hyperbranched polyamide includes amino-terminated hyperbranched polyamide, the number of amino groups is 12-16mol, and the average molecular weight is 1900-2200. Purchased from Wuhan Hyperbranched Resin Technology Co., Ltd., model: HyPer N103.

The synergist includes lauric acid dihydrazide, purchased from Quzhou Ruierfeng Chemical Co., Ltd.

A preparation method of textile printing and dyeing auxiliaries, comprising the following steps: uniformly mixing surfactants, silicone oil, auxiliaries, and water, then adding modified clay and continuously stirring for 2.5 hours.

Example 2

A textile printing and dyeing auxiliary, the specific implementation method is the same as that of Example 1, except that the mass ratio of the montmorillonite to the quaternary ammonium salt cationic surfactant is 100:0.8.

Example 3

A textile printing and dyeing auxiliary, the specific implementation is the same as that of Example 1, except that the raw materials include 18 parts of modified clay, 40 parts of surfactant, 1.5 parts of silicone oil, 10 parts of auxiliary agent, and 50 parts of water.

Comparative example 1

A kind of auxiliary agent for textile printing and dyeing, the specific embodiment is the same as Example 1, and the difference is that the Gemini quaternary ammonium salt cationic surfactant is ethylene group [(octamidopropyl dimethyl/hexadecanoyl propyl dimethyl base) chloride/ammonium bromide]

Comparative example 2

A textile printing and dyeing auxiliary agent, the specific implementation method is the same as that of Example 1, except that the quaternary ammonium salt cationic surfactant is cetyltrimethylammonium chloride.

Performance Testing

1. Permeability: Add deionized water to the samples prepared in Examples and Comparative Examples to form a solution of 10 g/L at 25 ° C, the liquid level is 6 cm, and the diameter is 35 cm cotton fine canvas (21 3 shares * 2121 4 strands) placed horizontally on the liquid surface, start the stopwatch, record the time required for the canvas to sink to the bottom, repeat 5 times, and take the average value.

2. Whiteness: Test according to GB/T 824.2-2001 Textile Whiteness Evaluation Method;

Table 1 performance test results

permeability BaiDu Example 1 8 82.4 Example 2 9 81.9 Example 3 9 81.4 Comparative example 1 13 79.8 Comparative example 2 15 76.5

Claims (10)

1. A textile printing and dyeing auxiliary, characterized in that it comprises the following raw materials: in parts by mass, 12-18 parts of modified clay, 30-40 parts of surfactant, 1-1.5 parts of silicone oil, 5-10 parts of auxiliary agent , 50 parts of water. 2. a kind of textile printing and dyeing auxiliary agent according to claim 1, is characterized in that, described modified clay comprises modified fuller's earth, modified bentonite, modified montmorillonite, modified kaolin, modified illite clay 1. At least one kind of modified chlorite clay. 3. A kind of textile printing and dyeing auxiliary agent according to claim 2, characterized in that, the modified clay comprises modified montmorillonite. 4. a kind of textile printing and dyeing auxiliary agent according to claim 3, is characterized in that, the preparation raw material of described modified montmorillonite comprises montmorillonite, quaternary ammonium salt cationic surfactant. 5. a kind of textile printing and dyeing auxiliary agent according to claim 4, is characterized in that, the mass ratio of described montmorillonite, quaternary ammonium salt cationic surfactant is 100: (0.8-1.2). 6. A kind of textile printing and dyeing auxiliary agent according to claim 4, characterized in that, the montmorillonite comprises sodium-based montmorillonite and/or calcium-based montmorillonite. 7. A kind of auxiliary agent for textile printing and dyeing according to claim 1, characterized in that, said surfactant comprises ionic surfactant and nonionic surfactant. 8. A textile printing and dyeing auxiliary agent according to claim 1, characterized in that the silicone oil has a viscosity of 800-2000 mPa·s at 25°C. 9. A textile printing and dyeing auxiliary agent according to claim 1, wherein the silicone oil comprises at least one of amino-modified silicone oil, epoxy-modified silicone oil, polyether-modified silicone oil, and hydroxyl silicone oil. 10. A preparation method of a kind of textile printing and dyeing auxiliary according to any one of claims 1-9, characterized in that, comprising the following steps: uniformly mixing surfactant, silicone oil, auxiliary agent, water, and then adding The modified clay is continuously stirred for 2-3 hours.