CN111101374A - Environment-friendly multipurpose oil-removing scouring agent and preparation method thereof - Google Patents
Environment-friendly multipurpose oil-removing scouring agent and preparation method thereof Download PDFInfo
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- CN111101374A CN111101374A CN201811310640.7A CN201811310640A CN111101374A CN 111101374 A CN111101374 A CN 111101374A CN 201811310640 A CN201811310640 A CN 201811310640A CN 111101374 A CN111101374 A CN 111101374A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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Abstract
The invention relates to an environment-friendly multipurpose oil-removing scouring agent and a preparation method thereof. The oil removing scouring agent comprises the following components in percentage by mass: 10-16% of isomeric C13 alcohol alkoxy compound, 3-7% of isomeric C10 alcohol alkoxy compound, 5.5-9% of fatty alcohol alkoxy compound, 4-8% of cardanol alkoxy compound, 1.5-4% of alkyl dimethyl betaine, 5.5-10.5% of alkoxylated plant polyene phenol modified substance, 2.5-5.5% of secondary alkyl sodium sulfonate, 2-4% of fatty amine polyoxyethylene ether compound, 3-10% of organic solvent, 0.2-0.4% of high temperature resistant organic silicon defoaming agent and the balance of water. The components are sequentially added into a reaction kettle according to the formula amount, a solvent is added, the mixture is stirred and mixed uniformly, then water is supplemented, the temperature is raised to 50 ℃, the stirring and heat preservation are carried out for 10-15 min, a high-temperature resistant organic silicon defoaming agent is added, the mixture is stirred for 10min, and the mixture is filtered and discharged after cooling and aging. The invention has the advantages of simple preparation method, good oil and impurity removing effect, strong universality, biodegradability and the like.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing auxiliaries, in particular to an environment-friendly multipurpose oil-removing scouring agent and a preparation method thereof.
Background
The spinning oil, wax, sizing agent and natural fiber biological impurities (about 6-10%) must be removed completely in the dyeing and finishing process, otherwise, dyeing/printing defects and the quality of the subsequent dyeing and finishing process are easily reduced. Therefore, in the processing process before dyeing, both natural fibers and chemical fibers need to be subjected to desizing, oil removing and refining by adopting various auxiliaries with special surface activity.
Through experience accumulation for many years and economic development, China is the country with the most complete variety and variety in the world, but the processing quality of products has a certain distance compared with the countries in Europe, America and Japan. Along with the strictness of European Union regulations and the deepening of the concept of human environmental protection, the safety and environmental protection of the assistant used in the dyeing and finishing process (especially the pretreatment) are also strict. The oil removing agent and scouring agent products produced in China at present can simultaneously have a few of double standards of wide market acceptance and environmental protection, and meanwhile, the products have low universality, and the best application effect can be obtained by matching several auxiliary agents in the pretreatment processing process.
The invention discloses a degreasing agent formula consisting of fatty amine polyoxyethylene ether, alkyl sulfonate, sulfate and phosphate ester surfactant, and belongs to the Chinese patent with the publication number of CN 101629130A and the name of 'one-bath degreasing agent for fabrics'. The invention discloses a chemical fiber degreaser with the publication number of CN 103194324A and the name of 'chemical fiber degreaser and a preparation method thereof', and discloses a degreaser formula consisting of fatty acid methyl ester ethoxylate, sulfonate of the fatty acid methyl ester ethoxylate and tea saponin. The two oil removal agents can be used for separate oil removal and one-bath dyeing oil removal processes of terylene, chinlon, cotton fabrics and the like, but have the defects of poor permeability, common emulsifying power, insufficient dispersing power and organic phosphorus residue pollution to water (eutrophication).
The invention discloses a Chinese patent with the publication number of CN 102071110A and the name of 'a formula of an oil removing agent and a preparation method thereof', and discloses an oil removing agent formula consisting of polyethylene glycol, phthalic acid, p-toluenesulfonic acid, fatty alcohol-polyoxyethylene ether, sodium secondary alkyl sulfonate and a defoaming agent. The oil removing agent has excellent oil removing effect and is environment-friendly, but mainly aims at the oil removing process of the polyester fabric.
The invention discloses a degreasing agent formula consisting of alkyl alcohol ether, phosphate ester, alkyl sodium sulfonate, inorganic alkali, a chelating agent and an organic solvent, and belongs to the Chinese invention patent with the publication number of CN 102995468A and the name of 'polyester fabric dyeing degreasing agent and preparation method thereof'. The oil removing agent is mainly suitable for dyeing one-bath oil removal of polyester fabrics, but has the defects of insufficient oil removal dispersing force and pollution of organic phosphorus residue on water (eutrophication) due to the fact that the formula is integrally composed of short carbon chains (C8-C13) and phosphate ester components are used.
The invention discloses a formula of an oil removing agent consisting of methyl stearate polyoxyethylene ether and isomeric alcohol polyoxyethylene ether, which is a Chinese invention patent with the publication number of CN 104514148A and the name of 'a fabric oil removing agent'. The oil removing agent is only suitable for a low-temperature oil removing process within 100 ℃, and is not suitable for a high-temperature dyeing one-bath (120-130 ℃) oil removing process of terylene and blended fabrics thereof.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an environment-friendly multipurpose oil removal scouring agent with good biodegradability and strong universality of oil removal and impurity removal and a preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an environment-friendly multipurpose oil-removing scouring agent is characterized by comprising the following components in percentage by mass: 10-16% of isomeric C13 alcohol alkoxy compound, 3-7% of isomeric C10 alcohol alkoxy compound, 5.5-9% of fatty alcohol alkoxy compound, 4-8% of cardanol alkoxy compound, 1.5-4% of alkyl dimethyl betaine, 5.5-10.5% of alkoxylated plant polyene phenol modified substance, 2.5-5.5% of secondary alkyl sodium sulfonate, 2-4% of fatty amine polyoxyethylene ether compound, 3-10% of organic solvent, 0.2-0.4% of high temperature resistant organic silicon defoaming agent and the balance of water.
By adopting the technical scheme, the environment-friendly multipurpose oil removal scouring agent has good biodegradability and no phosphorus, fully exerts the synergistic interaction among different types of surfactants, forms a mixed micelle mainly comprising nonionic surfactants, has lower surface tension and excellent anti-contamination capability, can quickly and effectively permeate into fibers, removes and coats oil stains, waxiness and various chemical sizing agents through the excellent emulsification and dispersion functions, avoids the generation of the phenomenon of redeposition or contamination return of dirt and sizing agents, and further obtains ideal oil removal and scouring effects; in addition, because the formula combination simultaneously contains saturated and unsaturated alkyl structures and has very wide carbon chain distribution, the oil and impurity removal universality is strong, and the oil and impurity removal agent is not only suitable for oil removal and refining processes of synthetic fibers such as cotton and blended fabrics thereof, terylene, chinlon and the like; and is also suitable for cleaning the greasy dirt on the surface of metal equipment.
Preferably, the organic solvent is one or a mixture of more of ethylene glycol butyl ether, diethylene glycol propyl ether, 2-phenoxyethanol, 2-methyl-2, 4-pentanediol, ethanol and isooctanol.
A preparation method of an environment-friendly multipurpose oil removing scouring agent is characterized by comprising the steps of sequentially putting 10-16% of isomeric C13 alcohol alkoxy compound, 3-7% of isomeric C10 alcohol alkoxy compound, 5.5-9% of fatty alcohol alkoxy compound, 4-8% of cardanol alkoxy compound, 1.5-4% of alkyl dimethyl betaine, 5.5-10.5% of alkoxylated plant polyene phenol modifier, 2.5-5.5% of secondary alkyl sodium sulfonate and 2-4% of fatty amine polyoxyethylene ether compound into a reaction kettle, adding 3-10% of organic solvent, stirring and mixing uniformly, replenishing water, heating to 50 ℃, stirring and preserving heat for 10-15 min, adding 0.2-0.4% of high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, ageing, and filtering to obtain the material.
Compared with the prior art, the invention has the advantages that: (1) the composite material has good biodegradability, does not contain phosphorus, and can fully play the synergistic effect among different types of surfactants; (2) the preparation method has the advantages of simple operation, low reaction temperature and low economic cost.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The preparation method comprises the following steps of sequentially putting 10% of an optimized isomeric C13 alcohol alkoxy compound, 3% of an isomeric C10 alcohol alkoxy compound, 9% of a fatty alcohol alkoxy compound, 8% of a cardanol alkoxy compound, 2.5% of alkyl dimethyl betaine, 7.5% of an alkoxylated plant polyene phenol modifier, 5.5% of secondary alkyl sodium sulfonate and 2% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 4% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 10min, adding 0.4% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this embodiment, the organic solvent is ethylene glycol butyl ether.
The prepared environment-friendly multipurpose oil-removing scouring agent is light yellow to yellow transparent liquid in appearance, integrates permeation, emulsification and dispersion, and has the advantages of good oil-removing and impurity-removing effects, strong oil-removing universality, no phosphorus, biodegradability and the like.
Example 2
The preparation method comprises the following steps of sequentially putting 13% of a preferable isomeric C13 alcohol alkoxy compound, 4% of an isomeric C10 alcohol alkoxy compound, 8% of a fatty alcohol alkoxy compound, 7.2% of a cardanol alkoxy compound, 2% of alkyldimethyl betaine, 8% of an alkoxylated plant polyene phenol modifier, 2.5% of secondary alkyl sodium sulfonate and 2.8% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 5% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 12min, adding 0.2% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this embodiment, the organic solvent is diethylene glycol butyl ether.
Example 3
The preparation method comprises the following steps of sequentially putting 12.5% of an optimized isomeric C13 alcohol alkoxy compound, 4.5% of an isomeric C10 alcohol alkoxy compound, 7.5% of a fatty alcohol alkoxy compound, 6.5% of a cardanol alkoxy compound, 3% of alkyl dimethyl betaine, 10.5% of an alkoxylated plant polyene phenol modified substance, 5% of secondary alkyl sodium sulfonate and 3.5% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 6% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 15min, adding 0.25% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this embodiment, the organic solvent is diethylene glycol propyl ether.
Example 4
The preparation method comprises the following steps of sequentially putting 14% of a preferable isomeric C13 alcohol alkoxy compound, 5% of an isomeric C10 alcohol alkoxy compound, 6.8% of a fatty alcohol alkoxy compound, 4% of a cardanol alkoxy compound, 3% of alkyl dimethyl betaine, 7% of an alkoxylated plant polyene phenol modifier, 4% of secondary alkyl sodium sulfonate and 2.5% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 8% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 13min, adding 0.35% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this example, the organic solvent is a mixture of butyl cellosolve and ethanol.
Example 5
The preparation method comprises the following steps of sequentially putting 15% of a preferable isomeric C13 alcohol alkoxy compound, 6.5% of an isomeric C10 alcohol alkoxy compound, 6% of a fatty alcohol alkoxy compound, 5% of a cardanol alkoxy compound, 4% of alkyl dimethyl betaine, 6.5% of an alkoxylated plant polyene phenol modifier, 3% of secondary alkyl sodium sulfonate and 3% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 5% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 15min, adding 0.4% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this example, the organic solvent was 2-methyl-2, 4-pentanediol.
Example 6
The preferable isomeric C13 alcohol alkoxy compound 11%, isomeric C10 alcohol alkoxy compound 4%, fatty alcohol alkoxy compound 5.5%, cardanol alkoxy compound 8%, alkyl dimethyl betaine 1.5%, alkoxylated plant polyene phenol modifier 9%, secondary alkyl sodium sulfonate 3.5% and fatty amine polyoxyethylene ether compound 4% are sequentially put into a reaction kettle, 10% of organic solvent is added, the mixture is stirred and mixed uniformly, then water is supplemented, the temperature is increased to 50 ℃, the stirring and heat preservation are carried out for 10min, high-temperature resistant organic silicon defoamer is added, the stirring is carried out for 10min, and the mixture is filtered and discharged after cooling and aging.
In this example, the organic solvent is a mixture of ethanol and isopropanol.
Example 7
The preparation method comprises the following steps of sequentially putting 16% of an optimized isomeric C13 alcohol alkoxy compound, 7% of an isomeric C10 alcohol alkoxy compound, 7% of a fatty alcohol alkoxy compound, 5.5% of a cardanol alkoxy compound, 2% of alkyl dimethyl betaine, 5.5% of an alkoxylated plant polyene phenol modifier, 3% of secondary alkyl sodium sulfonate and 3% of a fatty amine polyoxyethylene ether compound into a reaction kettle, adding 3% of an organic solvent, uniformly stirring and mixing, then replenishing water, heating to 50 ℃, stirring and preserving heat for 15min, adding 0.4% of a high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, aging, filtering and discharging.
In this example, the organic solvent is 2-phenoxyethanol.
The following is an all-cotton terry cloth (gram weight 400 g/m)2) The scouring effect test on (1):
the process flow comprises the following steps: gray fabric soaking → steaming (100 ℃ multiplied by 50min) → 90 ℃ hot water washing twice → room temperature water washing → squeezing out machine
The formula of the soaking material is as follows: 2.5 percent of caustic soda, 4 percent of oxygen bleaching stabilizer K35001 percent, 27.5 percent of hydrogen peroxide and 0.6 percent of the product/reference sample.
The reference sample is Hensman chemical industry stable ONE
And (3) testing results:
the whiteness of the fabric is tested by a WSD-III type whiteness instrument, and the capillary effect test method refers to the FZ/T011071-.
The following is 75D/72F terylene double-sided knitted fabric (the gram weight is 140 g/m)2) And (3) testing the oil removal effect of the dyeing in one bath:
preparing mixed oil stain: waste engine oil, gear oil and white mineral oil are uniformly mixed according to the ratio of 1: 1
Preparing oil stain cloth: the method comprises the following steps of nailing a polyester knitted fabric (with the weight of 3g) on a needle board frame horizontally placed, uniformly dropwise adding 3 drops of mixed oil dirt on a fabric surface at equal intervals by using a rubber head dropper, and after the oil dirt is diffused, drying for later use at 170 ℃ for 45 s.
The oil removing formula and the process are as follows: the bath ratio is 1: 10, the standard achromatic solution (disperse ruby S-2GFL 0.0085% + disperse blue HGL 0.016% + disperse grey HBL 0.035%) is 2mL/g cloth, the product is 1g/L, the reference sample is 0.5g/L, 98% HAc is 0.3mL/L, the dry cloth is wetted and dehydrated into a jar, the temperature is raised to 130 ℃ in 45-50 min, the temperature is kept for 30min, the temperature is lowered to 70 ℃, the liquid is drained, washed clean with clear water, and dehydrated and dried.
The reference sample is a high-concentration degreasing agent DMA-112 in Germany chemical industry.
Oil removal results:
| oil removal effect | Influence on dyeing shade | |
| The product | 4～5 | Does not affect |
| Reference sample DMA-112 | 3～4 | Does not affect |
| Blank space | 1～2 | / |
And (3) oil removal result rating: level 1 indicates that the cloth cover oil stain is not removed completely, and level 2 indicates that the cloth cover oil stain is removed a little; the 3-level indicates that half of the greasy dirt on the cloth surface is removed; level 4 indicates that most of the cloth cover oil stains are removed; and 5, completely removing the greasy dirt on the cloth cover.
The following are tests of the cleaning effect of the metal surface:
sample material and specification: 10cm x 10cm 304# steel with thickness of 3mm
Preparing oil stain: gear oil to black engine oil: 1: 1 mixing uniformly
The oil removing method comprises the following steps: the test pieces are weighed on an analytical balance (to an accuracy of 0.001g) and recorded as M0Then, the test piece is immersed in the mixed oil stain for 30min, taken out, drained and weighed as M1Then, the test piece which is stained with oil stain is degreased under the specified condition, and the test piece is weighed and recorded as M after being degreased2Then, then
The oil removing process and the formula are as follows: 10g/L of the product, 10g/L of sodium tripolyphosphate, 10g/L of soda ash, 1L of working solution, deoiling in a constant-temperature water bath at 50 ℃ for 3min, 5min and 10min, taking out a test piece, drying water at 100 ℃, weighing, and calculating the deoiling rate;
oil removal rate results:
| 50℃×3min | 50℃×5min | 50℃×10min | |
| oil removal Rate (%) | 35.32％ | 45.73％ | 53.52％ |
The desizing effect test of the terylene cation shading cloth is as follows:
desizing formula and process: the bath ratio is 1: 10, the soda ash content is 2g/L, the desizing effect is 1g/L, the reference sample content is 2g/L, the room temperature is raised to 100 ℃, the temperature is kept for 30min, the temperature is reduced to 70 ℃, the product is washed, dehydrated and detected (cation red X-GRL 0.1%, 98% HAc0.3mL/L, dyeing is carried out for 20min at the temperature of 80 ℃, the color yield is calculated by testing the dyeing K/S value, the higher the color yield is, the more the size content is, the worse the desizing effect is)
The reference sample is Hangzhou Meigaohua Yihua chemical refining desizing agent M-1011B
Desizing results (colour yield/%)
| The product | Reference sample M-1011B | Blank space | |
| Color yield/% | 21.50％ | 20.85％ | / |
Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An environment-friendly multipurpose oil-removing scouring agent is characterized by comprising the following components in percentage by mass: 10-16% of isomeric C13 alcohol alkoxy compound, 3-7% of isomeric C10 alcohol alkoxy compound, 5.5-9% of fatty alcohol alkoxy compound, 4-8% of cardanol alkoxy compound, 1.5-4% of alkyl dimethyl betaine, 5.5-10.5% of alkoxylated plant polyene phenol modified substance, 2.5-5.5% of secondary alkyl sodium sulfonate, 2-4% of fatty amine polyoxyethylene ether compound, 3-10% of organic solvent, 0.2-0.4% of high temperature resistant organic silicon defoaming agent and the balance of water.
2. The environment-friendly multipurpose oil-removing scouring agent as claimed in claim 1, wherein the organic solvent is one or a mixture of ethylene glycol butyl ether, diethylene glycol propyl ether, 2-phenoxyethanol, 2-methyl-2, 4-pentanediol, ethanol and isooctanol.
3. A preparation method of an environment-friendly multipurpose oil removing scouring agent is characterized by comprising the steps of sequentially putting 10-16% of isomeric C13 alcohol alkoxy compound, 3-7% of isomeric C10 alcohol alkoxy compound, 5.5-9% of fatty alcohol alkoxy compound, 4-8% of cardanol alkoxy compound, 1.5-4% of alkyl dimethyl betaine, 5.5-10.5% of alkoxylated plant polyene phenol modifier, 2.5-5.5% of secondary alkyl sodium sulfonate and 2-4% of fatty amine polyoxyethylene ether compound into a reaction kettle, adding 3-10% of organic solvent, stirring and mixing uniformly, replenishing water, heating to 50 ℃, stirring and preserving heat for 10-15 min, adding 0.2-0.4% of high-temperature resistant organic silicon defoaming agent, stirring for 10min, cooling, ageing, and filtering to obtain the material.
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| CN111910451A (en) * | 2020-07-20 | 2020-11-10 | 纳派化学(上海)有限公司 | Wide-temperature range deoiling refining agent and preparation method thereof |
| CN113583763A (en) * | 2021-08-16 | 2021-11-02 | 奥仕集团有限公司 | Preparation method of efficient fabric oil removing agent |
| CN115522389A (en) * | 2022-10-13 | 2022-12-27 | 杭州胤众科技有限公司 | Emulsified oil removing agent for printing and dyeing processing |
| 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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