CN107780195B - Cellulose fiber extra white pretreatment agent and preparation method thereof - Google Patents
Cellulose fiber extra white pretreatment agent and preparation method thereof Download PDFInfo
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- CN107780195B CN107780195B CN201711141122.2A CN201711141122A CN107780195B CN 107780195 B CN107780195 B CN 107780195B CN 201711141122 A CN201711141122 A CN 201711141122A CN 107780195 B CN107780195 B CN 107780195B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/15—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using organic agents
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a cellulose fiber extra white pretreatment agent and a preparation method and application thereof. The cellulose fiber extra white pretreatment agent comprises the following components: 2-20% by weight of clay, 0.5-5% by weight of an inorganic dispersant, 0.1-1% by weight of an organic cationic polymer, 0.5-5% by weight of an amphoteric surfactant, 0.5-15% by weight of an anionic surfactant, 2-20% by weight of a nonionic surfactant and 55-80% by weight of deionized water, based on the total weight of the pretreatment agent for cellulose fiber whitening. The invention has the advantages of full impurity removal, high whiteness of the treated fabric, and low scouring and dyeing level difference.
Description
Technical Field
The invention relates to a cellulose fiber extra white pretreatment agent and a preparation method thereof. It is mainly suitable for the pretreatment process of cotton, hemp and their blended fabrics.
Background
The clay is one of the most important nonmetallic minerals, has rich resources, low price, no toxicity, no chemical pollution, strong adsorption, moisture absorption, expansion, catalysis, lubrication and other characteristics, and has wide application range.
The pretreatment process of pure cotton and blended fabrics thereof generally utilizes the wetting, permeation and other effects of a composite surfactant, and thoroughly treats the impurities of the fabrics by means of the swelling effect of an alkaline agent on the impurities of the fabrics and the bleaching performance of hydrogen peroxide, so that the fabrics achieve satisfactory capillary effect and whiteness, and further achieve satisfactory dyeing effect.
The requirement on the whiteness of the fabric is not high when the fabric is dyed in medium and deep colors, and the requirement on the whiteness is high when the fabric is dyed in light colors or sensitive colors, so that the fabric to be treated can meet the dyeing requirement of the light colors or the sensitive colors only when the fabric to be treated achieves an extra-white effect. For the pretreatment process of the cheese, if the pretreatment is not properly selected or the process treatment is not properly carried out, the whiteness level difference of the cheese easily occurs, the subsequent dyeing is inevitably influenced by the occurrence of the whiteness level difference of the cheese, the level difference of the dyeing depth occurs, the dyeing quality is directly influenced, and therefore, the pretreatment effect of the cheese needs to be extra white and the whiteness level difference is small.
The application of the novel pretreatment surfactant and the low-temperature catalyst in the pretreatment process is reported frequently, the purpose is to improve the treatment efficiency or reduce the treatment process temperature, but the whiteness of the fabric treated by the scheme is not obviously improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a cellulose fiber extra white pretreatment agent with low cost and convenient processing, a preparation method and application thereof.
The invention has the innovation points that:
1. the whiteness of the pretreated fabric is improved by utilizing the adsorption effect of the clay on fabric impurities, particularly the adsorption and dispersion of pigments;
2. preparing a clay pretreatment product with stable performance by combining the adsorption expansion characteristics of clay and utilizing a dispersing/surfactant compounding technology;
3. the invention utilizes the adsorbability of clay, can adsorb metal ions in water, reduces the ineffective decomposition of hydrogen peroxide under strong alkali and high temperature, and can further improve the whiteness of treated fabrics.
One aspect of the invention provides a pretreatment agent for whitening cellulose fibers, which comprises the following components:
2-20% by weight of clay,
0.5-5% by weight of an inorganic dispersant,
0.1-1% by weight of an organic cationic polymer,
0.5-5% by weight of an amphoteric surfactant,
1-15% by weight of an anionic surfactant,
2-20% by weight of a nonionic surfactant, and
55-80% by weight of deionized water based on the total weight of the cellulose fiber extra white pretreatment agent.
Another aspect of the present invention provides a method for preparing the above pretreatment agent for whitening cellulose fibers, comprising:
1) dissolving an inorganic dispersant in water to form an aqueous solution;
2) adding clay to said aqueous solution, stirring to form a clay dispersion, and
3) adding an organic cationic polymer, an amphoteric surfactant, an anionic surfactant, and a nonionic surfactant to the clay dispersion to form a hyperstable clay dispersion.
The invention also provides the application of the cellulose fiber extra-white pretreatment agent in the pretreatment process of cotton, hemp and blended fabrics thereof.
Detailed Description
In a preferred embodiment, the present invention provides a pretreatment agent for whitening cellulose fibers, characterized in that: it comprises the following components:
total weight of extra white pretreatment agent.
In a preferred embodiment, the clay used in the present invention is, for example, one or more of diatomite, attapulgite, sodium bentonite and calcium bentonite.
In a preferred embodiment, the inorganic dispersant used in the present invention is, for example, one or more compounds selected from sodium chloride, magnesium chloride, aluminum chloride, calcium chloride and potassium chloride.
In a preferred embodiment, the organic cationic polymer used in the present invention is, for example, one or two of polyacrylamide, poly dimethyl diallyl ammonium chloride.
In a preferred embodiment, the number average molecular weights of the polyacrylamide and the polydimethyldiallylammonium chloride used in the invention are both 5000-10000, preferably 6000-8000.
In a preferred embodiment, the amphoteric surfactant used in the present invention is, for example, one or a mixture of dodecyl dimethyl betaine, lauramidopropyl betaine, and cocamidopropyl betaine.
In a preferred embodiment, the anionic surfactants used in the present invention are for example: one or two mixtures of sodium dodecyl sulfate and secondary alkyl sodium sulfonate; nonionic surfactants are, for example: alkyl glycoside, isomeric tridecanol polyoxyethylene ether (EO number is 5-25), and fatty alcohol polyoxyethylene ether (EO number is 5-25).
In a preferred embodiment, the weight ratio of anionic surfactant to nonionic surfactant used in the present invention is from 1:1 to 1:4, preferably from 1:1 to 1: 3.
The preparation method of the cellulose fiber extra white pretreatment agent comprises the following steps:
mixing deionized water and an inorganic dispersant, adding clay and an organic cationic polymer, stirring, adding an amphoteric surfactant, sequentially adding an anionic surfactant and a non-surfactant, and continuously stirring for 30min to obtain the cellulose fiber extra white pretreatment agent.
Compared with the prior art, the invention has the following advantages and effects: fully removes impurities and has high whiteness of the treated fabric.
Examples
The pretreatment agents and the pretreatment effects of the comparison prepared in the examples of the present invention were verified by the following tests
The stabilizing effect of the cellulose fiber whitening pretreatment agent prepared in each embodiment of the invention is verified by the following test
Pretreatment test
1. Fabric: all-cotton double-thread knitted grey fabric (commercially available) and pure cotton cheese
2. Formulation of
3. Pretreatment process
Sequentially adding caustic soda, a pretreatment agent and hydrogen peroxide into a glycerine machine or a cheese pretreatment machine, adding all-cotton double-thread knitted grey cloth or pure cotton cheese, heating to 98 ℃ at the speed of 2 ℃/min, preserving heat for 60min, pouring off water from steel cup feet, adding clear water, heating to 80 ℃ at the speed of 3 ℃/min, preserving heat for 10min, finally washing with cold water, and drying.
4. Dyeing process
Adding 2% (owf.) active bright yellow 4GL, 50g/L anhydrous sodium sulphate and deionized water into a steel cup, heating to 60 ℃ at the speed of 2 ℃/min, adding 20g/L sodium carbonate for 3 times, keeping the temperature for 60min, then washing, neutralizing, soaping and drying.
5. Performance testing
5.1 Hair Effect test
The determination is carried out according to FZ/T01071-2008 'test method for capillary effect of textile'. Fixing 5cmx20cm cloth strips (yarn strips) on a capillary effect test support, vertically immersing one end of the cloth into water for 2cm, enabling the water to climb upwards along the direction of the cloth strips (yarn strips), recording the water level rising height after 30min, and evaluating the scouring effect by taking the lowest value.
5.2 whiteness measurement
The test is carried out on a Datacolor 400 color measuring instrument according to GB/T8425-1987 Instrument determination method for whiteness of textiles, and the average value is taken after 5 times of test.
5.3 apparent color yield (K/S value)
The apparent color yield of the dyed fabric was measured using a Datacolor 400 colorimeter. The larger the K/S value, the higher the apparent color yield.
Example 1:
the formula adopted in the embodiment comprises the following raw materials:
the extra white pretreatment agent for cellulose fiber of the embodiment is prepared by the following steps:
mixing 76.5 parts by weight of deionized water, 2 parts by weight of sodium chloride and 1 part by weight of calcium chloride at room temperature, adding 10 parts by weight of diatomite and 0.5 part by weight of poly dimethyl diallyl ammonium chloride, stirring, adding 2 parts by weight of dodecyl betaine, sequentially adding 2 parts by weight of sodium dodecyl sulfate and 6 parts by weight of alkyl glycoside, and continuously stirring for 30min to obtain the cellulose fiber extra white pretreatment agent.
Example 2:
the formula adopted in the embodiment comprises the following raw materials:
the extra white pretreatment agent for cellulose fiber of the embodiment is prepared by the following steps:
mixing 65.5 parts by weight of deionized water, 2 parts by weight of magnesium chloride and 1 part by weight of aluminum chloride at room temperature, adding 15 parts by weight of attapulgite and 0.5 part by weight of polyacrylamide, stirring, adding 3 parts by weight of laurylamidopropyl betaine, finally sequentially adding 5 parts by weight of sodium secondary alkyl sulfonate and 8 parts by weight of isomeric tridecanol polyoxyethylene ether (EO number is 9), and continuously stirring for 30min to obtain the cellulose fiber whitening pretreatment agent.
Example 3:
the formula adopted in the embodiment comprises the following raw materials:
the extra white pretreatment agent for cellulose fiber of the embodiment is prepared by the following steps:
mixing 63.5 parts by weight of deionized water and 3 parts by weight of potassium chloride at room temperature, adding 5 parts by weight of sodium bentonite and 0.5 part by weight of poly (dimethyl diallyl ammonium chloride), stirring, adding 3 parts by weight of cocamidopropyl betaine, sequentially adding 10 parts by weight of secondary alkyl sodium sulfonate and 15 parts by weight of fatty alcohol polyoxyethylene ether (EO number is 9), and continuously stirring for 30min to obtain the cellulose fiber extra-white pretreatment agent.
Example 4:
the formula adopted in the embodiment comprises the following raw materials:
the extra white pretreatment agent for cellulose fiber of the embodiment is prepared by the following steps:
mixing 70 parts by weight of deionized water, 1 part by weight of aluminum chloride and 1 part by weight of potassium chloride at room temperature, adding 10 parts by weight of calcium bentonite and 0.7 part by weight of poly dimethyl diallyl ammonium chloride, stirring, adding 2.3 parts by weight of dodecyl dimethyl betaine, sequentially adding 5 parts by weight of lauryl sodium sulfate and 10 parts by weight of isomeric tridecanol polyoxyethylene ether (EO number is 7), and continuously stirring for 30min to obtain the cellulose fiber whitening pretreatment agent.
Example 5:
the formula adopted in the embodiment comprises the following raw materials:
the extra white pretreatment agent for cellulose fiber of the embodiment is prepared by the following steps:
adding 60 parts by weight of deionized water and 3 parts by weight of aluminum chloride, adding 10 parts by weight of calcium bentonite, 0.5 part by weight of poly-dimethyl diallyl ammonium chloride and 0.5 part by weight of polyacrylamide, stirring, adding 1.5 parts by weight of dodecyl dimethyl betaine and 1.5 parts by weight of cocamidopropyl betaine, finally sequentially adding 8 parts by weight of secondary alkyl sodium sulfonate and 10 parts by weight of fatty alcohol-polyoxyethylene ether (EO number is 7), and continuously stirring for 30min to obtain the cellulose fiber whitening pretreatment agent.
The results of pretreatment of examples 1-5 and imported product E are shown in Table 1.
TABLE 1 comparison of the effectiveness of different pretreatment agents
The results in Table 1 show that the whiteness difference of the inner layer, the middle layer and the outer layer of the cheese in the examples 1-5 is less than 5, the layer difference is small, and the K/S value of the dyeing layer difference is within 0.2; the whiteness of the knitted fabric is higher, the whiteness value is over 82, and the dyeing depth is over 9.6; compared with the E (imported) product, the example has smaller refining whiteness and dyeing depth layer difference, higher whiteness and darker color.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (5)
1. A pretreatment agent for whitening cellulose fibers comprises the following components:
the total weight of the extra white pretreatment agent is calculated by the total weight of all the components, the sum of the weight percentages of the components is equal to 100%, wherein the clay is one or a mixture of more of diatomite, attapulgite, sodium bentonite and calcium bentonite, the inorganic dispersant is one or a mixture of more of sodium chloride, magnesium chloride, aluminum chloride, calcium chloride and potassium chloride, the organic cationic polymer is one or a mixture of two of polyacrylamide and poly dimethyl diallyl ammonium chloride, the amphoteric surfactant is one or a mixture of more of dodecyl dimethyl betaine, laurylamidopropyl betaine and cocamidopropyl betaine, and the anionic surfactant is: one or two mixtures of sodium dodecyl sulfate and secondary alkyl sodium sulfonate; the nonionic surfactant is: alkyl glycoside, isomeric tridecanol polyoxyethylene ether with EO number of 5-25, and fatty alcohol polyoxyethylene ether with EO number of 5-25.
2. The pretreatment agent for whitening cellulose fibers according to claim 1, characterized in that: the composition comprises the following components:
the sum of the weight percentages of all the components is equal to 100 percent based on the total weight of the extra white pretreatment agent.
3. The pretreatment agent for whitening cellulose fibers according to claim 1, characterized in that: the number average molecular weights of the polyacrylamide and the poly dimethyl diallyl ammonium chloride are both 5000-10000.
4. The pretreatment agent for whitening cellulose fibers according to claim 1, characterized in that: the weight ratio of the anionic surfactant to the nonionic surfactant is 1:1-1: 4.
5. A method for preparing the cellulose fiber whitening pretreatment agent according to claim 1, comprising the steps of:
1) dissolving an inorganic dispersant in water to form an aqueous solution;
2) adding clay to said aqueous solution, stirring to form a clay dispersion, and
3) adding an organic cationic polymer, an amphoteric surfactant, an anionic surfactant, and a nonionic surfactant to the clay dispersion to form a hyperstable clay dispersion.
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| CN108951097B (en) * | 2018-07-20 | 2020-11-20 | 浙江鹿达科技有限公司 | Textile oxygen bleaching stabilizer |
| CN111379169A (en) * | 2020-04-28 | 2020-07-07 | 贵州省化工研究院 | Novel refining agent for spinning and preparation method thereof |
| CN111793974A (en) * | 2020-06-11 | 2020-10-20 | 司马化工(佛山)有限公司 | Textile refining agent containing organic clay |
| CN112941928B (en) * | 2021-02-02 | 2023-01-03 | 浙江恒生印染有限公司 | Pure cotton black cheese dyeing process applied to vinyl sulfone type reactive dye |
| CN116043555A (en) * | 2023-01-05 | 2023-05-02 | 江苏新瑞贝科技股份有限公司 | Bio-based super-soft pretreatment scouring agent and preparation method and application thereof |
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| DE3311368A1 (en) * | 1982-04-08 | 1983-10-27 | Colgate-Palmolive Co., 10022 New York, N.Y. | PARTICULATE, BLEACHING AND SOFTENING TEXTILE DETERGENT |
| US5558676A (en) * | 1995-03-15 | 1996-09-24 | Ocean Wash, Inc. | Composition and a method for treating garments with the composition |
| US6287346B1 (en) * | 1996-07-24 | 2001-09-11 | The Procter & Gamble Company | Method for stain removal on fabric with detergent compositions containing bleach |
| CN1216975C (en) * | 2003-06-30 | 2005-08-31 | 中国石油化工股份有限公司 | Process for producing water based lubricating liquid |
| CN101418513B (en) * | 2008-10-28 | 2011-11-09 | 宁波新阳纺织印染有限公司 | One dosage form solid additive for cotton knitted fabric one bath boiling and bleaching process at low temperature |
| CN101487184B (en) * | 2009-02-17 | 2012-10-31 | 宁波广源纺织品有限公司 | Low-temperature scouring and bleaching adjuvant composition and method for producing the same |
| CN101487183B (en) * | 2009-02-17 | 2011-05-11 | 宁波广源纺织品有限公司 | Method for environment-friendly low-temperature scouring and bleaching in spinning dyeing and finishing |
| CN102327195B (en) * | 2011-10-10 | 2013-03-27 | 王凤智 | Multifunctional attapulgite cleaning block |
| CN103613695B (en) * | 2013-11-15 | 2015-10-21 | 天津科鉴基础工程检测有限公司 | The preparation method and application of a kind of low-carbon (LC) recyclable gel consolidation waste mud |
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