CN112745526A - Water-based leather coloring agent - Google Patents
Water-based leather coloring agent Download PDFInfo
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- CN112745526A CN112745526A CN202011606762.8A CN202011606762A CN112745526A CN 112745526 A CN112745526 A CN 112745526A CN 202011606762 A CN202011606762 A CN 202011606762A CN 112745526 A CN112745526 A CN 112745526A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003086 colorant Substances 0.000 title claims abstract description 38
- 239000010985 leather Substances 0.000 title claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- 239000000049 pigment Substances 0.000 claims abstract description 6
- 239000013538 functional additive Substances 0.000 claims abstract description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 abstract description 12
- 229920002635 polyurethane Polymers 0.000 abstract description 12
- 239000011347 resin Substances 0.000 abstract description 8
- 229920005989 resin Polymers 0.000 abstract description 8
- 150000003839 salts Chemical class 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 5
- 238000004040 coloring Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002649 leather substitute Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 20
- 238000009472 formulation Methods 0.000 description 11
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 3
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical compound C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 101001018064 Homo sapiens Lysosomal-trafficking regulator Proteins 0.000 description 2
- 102100033472 Lysosomal-trafficking regulator Human genes 0.000 description 2
- 235000010703 Modiola caroliniana Nutrition 0.000 description 2
- 244000038561 Modiola caroliniana Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention belongs to the technical field of synthetic leather, and particularly relates to a water-based leather coloring agent which is prepared from the following raw materials in parts by weight: 100 parts of pigment; 8-66 parts of a functional additive; 0.4-3.3 parts of a defoaming agent; 0.1-1.6 parts of monoethanolamine and 34.8-175.7 parts of water; the functional auxiliary agent is Mix sperse855w produced by Jiangsu Wuxi Mikosi New Material science and technology Limited. The invention has the beneficial effects that: the water-based leather colorant does not contain any solvent and any carrier resin, and has the advantages of high concentration, strong coloring, high gloss, low viscosity, excellent salt fog resistance, excellent alcohol wiping resistance, excellent vividness and long storage time. Can be used for coloring any base material of full-water polyurethane, and has very stable saturation. The advantages solve the defects of the water-based coloring agent which circulates in the market at present, and the oil-to-water and oil-to-water engineering of leather manufacturing enterprises is smoothly implemented.
Description
Technical Field
The invention belongs to the technical field of synthetic leather, and particularly relates to a water-based leather coloring agent.
Background
GB-37824 one 209 coating ink and adhesive industry atmospheric pollutants discharge standard according to the latest regulation relevant industries if the discharge exceeds the standard, relevant enterprises and responsible persons will undertake legal responsibility. With the tightening of environmental protection policies and oil ban of nearly one hundred cities across the country, the water-based product is pushed up to the tuyere wave tip again. The atmospheric pollution emission limits include the pollutant items as in table 1 below.
TABLE 1
Due to the tightening of policies, new opportunities and new challenges, the tanning industry is also under the exigency of upgrading and updating products due to the innovation and change of upstream materials, and meanwhile, new opportunities are created for developing environment-friendly and ecological products. The change from oil to water and from oil to water is still the trend. The water-based leather coloring agent is an indispensable material for producing water-based leather, and a novel full-water-based functional coloring agent is required to meet the market demand under the background, so that the oil-to-water change in the leather-making industry is smoothly carried out.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a water-based leather colorant with good performance and without any solvent and any carrier resin.
In order to solve the technical problems, the invention adopts the technical scheme that: the water-based leather coloring agent is characterized by being prepared from the following raw materials in parts by weight: 100 parts of pigment; 8-66 parts of a functional additive; 0.4-3.3 parts of a defoaming agent; 0.1-1.6 parts of monoethanolamine and 34.8-175.7 parts of water; the functional auxiliary agent is Mix sperse855w produced by Jiangsu Wuxi Mikosi New Material science and technology Limited.
Preferably, the aqueous leather colorant is prepared from the following raw materials in parts by weight: 100 parts of titanium dioxide; 8 parts of a functional assistant; 0.4 part of defoaming agent; monoethanolamine 0.1 parts and water 34.8 parts.
Preferably, the aqueous leather colorant is prepared from the following raw materials in parts by weight: 100 parts of iron oxide yellow; 16 parts of a functional assistant; 0.8 part of defoaming agent; monoethanolamine 0.2 parts and water 66.3 parts.
Preferably, the aqueous leather colorant is prepared from the following raw materials in parts by weight: 100 parts of PK-122 red; 66 parts of a functional assistant; 3.3 parts of a defoaming agent; monoethanolamine 1.6 parts and water 175.7 parts.
Preferably, in the above aqueous leather colorant, the antifoaming agent is BYK-024.
The invention has the beneficial effects that: the water-based leather colorant does not contain any solvent and any carrier resin, has the advantages of high concentration, strong coloring, high gloss, low viscosity, excellent salt fog resistance, excellent alcohol wiping resistance, excellent vividness and long storage time, can be suitable for coloring any base material of full-water-based polyurethane, and has very stable saturation. The advantages solve the defects of the water-based coloring agent circulating in the market at present, and enable leather manufacturing enterprises to smoothly implement oil-to-water and oil-to-water projects.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
The water polyurethane retains some excellent performances of the traditional solvent polyester, and has the advantages of low production cost, safety, non-combustibility, no environmental pollution, difficult damage to the surface of the coated product, easy operation and modification, and the like. Because the aqueous polyurethane is classified according to raw materials, structures and the like, when developing a full aqueous colorant, the product cannot be correspondingly produced one by one, and a multifunctional colorant without carrier resin is necessary to meet various requirements.
Disadvantages of the aqueous colorants currently on the market: most of the water-based coloring agents currently on the market are pseudo water-based coloring agents produced by beating and rubbing edge balls. Hydrophobic and aqueous properties purportedly binding oilBut the phenomena of color fading and unqualified color loss quality appear after the paint is used, so that the whole market is questioned. The product medium of the aqueous product is certainly water, but the inherent physical properties of water: boiling point of 100 deg.C, solidifying point of 0 deg.C, and density of 1g/cm3Can dissolve various substances to form a solution, but has the dissolving power of inertia at normal temperature without external assistance. In such theory there must be a functional material that accelerates its solubility, plus the high density of water, in the formulation if the formulation is set without taking into account the maximum load of the water itself in the formulation. The product is separated from the top to the bottom, the stability is poor and the storage time is short.
The invention solves the defects of the prior common water-based leather coloring agent; solves the problem of material limitation in the table 1, and leads the oil to be smoothly changed into water.
Example 1
The water-based leather coloring agent is prepared from the following raw materials in parts by weight: 100 parts of titanium dioxide; 8 parts of Mix sperse855w of functional auxiliary agent produced by Jiangsu Wuxi Mikosi New Material science and technology Limited; BYK-0240.4 parts; monoethanolamine 0.1 parts and water 34.8 parts.
Example 2
The water-based leather coloring agent is prepared from the following raw materials in parts by weight: 100 parts of iron oxide yellow; 16 parts of Mix sperse855w of a functional auxiliary agent produced by Jiangsu Wuxi Mikosi New Material science and technology Limited; BYK-0240.8 parts; monoethanolamine 0.2 parts and water 66.3 parts.
Example 3
The water-based leather coloring agent is prepared from the following raw materials in parts by weight: 100 parts of PK-122 red; 66 parts of Mix sperse855w of a functional aid produced by Jiangsu Wuxi Mikosi New Material science and technology Limited; BYK-0243.3 parts; monoethanolamine 1.6 parts and water 175.7 parts.
The raw materials used in the invention have the following characteristics:
1. the Mix sperse855w functional auxiliary agent produced by Jiangsu Wuxi Mikosi new material science and technology limited company has the following characteristics: has the functions of replacing resin bearing capacity, conditioning, dispersing, orienting and non-orienting and repeatedly wrapping the whole system. It can improve the defects in the original formula: firstly, the salt fog resistance is poor; ② poor alcohol resistance; the color density is low; fourthly, the color is not bright, the layering is easy, the viscosity is high, and the dispersion is not easy.
Mix sperse855w produced by Jiangsu Wuxi Mikosi New Material science and technology Limited is a water-based wetting, dispersing, leveling, anticorrosion, dustproof and brightening pigment (organic, inorganic, filler and carbon black) which does not contain VOCAPEOC (alkylphenol polyoxyethylene ether), stabilizes all types of products, has a strong viscosity reduction effect, and can enable concentrated color paste to have very low viscosity. Good compatibility, storage stability, very good water resistance, salt spray resistance, excellent weather resistance and low foaming.
Product information of Mix sperse855w produced by Jiangsu Wuxi Mikosi New Material science and technology Limited: a. the chemical composition is as follows: water solubility of copolymers containing high pigment affinity genes; b. typical materialized data (this materialized data is not a quality index), appearance: a light yellow liquid; subtype: active substance content: 45 percent; pH value: 6.5-8.5.
2. BYK-024 defoaming agent: component-a polysiloxane mixture; appearance-liquid; the solubility in water is-excellent; silicone defoamers mainly used for aqueous colorants. The color modifier is used for polyurethane, acrylate and polyurethane, and is very effective in the production process without influencing the color acceptance and the glossiness.
3. PH regulator-monoethanolamine
Monoethanolamine is an organic substance with a molecular formula of G2H7NO, molecular weight 61.08, colorless liquid relative density 1.0180, flash point 93.3 ℃. The colorless viscous liquid is mainly used for pH value regulation, so that the colorant has a stable saturation value when added into an aqueous polyurethane system.
4. Hydrophilic pigments
Mainly refers to that the hydrophilic group is also called oleophobic group, and has atomic group which is soluble in water or easy to be compatible with water. May absorb water molecules or dissolve in water. Solid surfaces having such functional groups are easily wetted by water. The anionic surface active hydrophilic group has carboxylic group, sulfonic group, phosphoric group, etc.; ② quaternary amino of hydrophilic group (group) of cationic surfactant; ③ the hydrophilic group (group) of the nonionic surfactant comprises an ether group consisting of an amino group, a hydroxyl group, a carboxylic ester, a block polyether and the like.
Comparative test example
Firstly, the formula of the invention is improved compared with the prior art
The following is an example of a new and old formulation control. Where, table 2 is an aqueous white contrast, table 3 is an aqueous khaki contrast, and table 4 is an aqueous mauve contrast.
TABLE 2
TABLE 3
TABLE 4
As can be seen from tables 2, 3 and 4 above:
comparing the concentration: the water-based white plain formula is 16% higher than the original formula; the water-based clay sculpture formula is 12.5 percent higher than the original formula; the water-based mauve formulation of the invention is 279% higher than the original formulation.
Secondly, environmental protection: the formula of the invention does not contain any additive and carrier material, and the application system is wider. The formula of the invention is more optimized than the original formula, and the production flow is better controlled.
Second, the inventive formulations were tested against the prior art
TABLE 5
| Use of the formulation of comparative example 1 | Example 1 formulation | |
| Test item | The result of the detection | The result of the detection |
| Concentration of | 59.7％ | 69.7％ |
| Whether or not it contains a solvent | Is provided with | Is free of |
| Whether a carrier resin | Is provided with | Is free of |
| Number of alcohol resistance | 10 times of | 20 times (twice) |
| Salt fog resistance | Difference (D) | Superior food |
| Weather resistance | 7-8 stages | 7-8 stages |
| Heat resistance | Grade 5 | Grade 5 |
| Hydrophilicity | In general | Superior food |
| Application range of colorant | Targeted selection | Aqueous polyurethane System one |
| Migration resistance | 4-5 stages | 5 |
| Environmental protection property | SGS ROS | SGS ROS FDA |
TABLE 6
| Use of the formulation of comparative example 2 | Example 2 formulation | |
| Test item | The result of the detection | The result of the detection |
| Concentration of | 48.5％ | 54.5％ |
| Whether or not it contains a solvent | Is provided with | Is free of |
| Whether a carrier resin | Is provided with | Is free of |
| Number of alcohol resistance | 10 times of | 20-25 times |
| Salt fog resistance | Difference (D) | Superior food |
| Weather resistance | 7-8 stages | 7-8 stages |
| Heat resistance | Grade 5 | Grade 5 |
| Hydrophilicity | In general | Superior food |
| Application range of colorant | Targeted selection | Aqueous polyurethane system II |
| Migration resistance | 4-5 stages | Grade 5 |
| Environmental protection property | SGS ROS | SGS ROS FDA |
TABLE 7
In the above tables 5, 6 and 7:
the water-based polyurethane system comprises the following raw materials in parts by weight: 45 parts of aqueous polyester emulsion IPDI; 80 parts of polyester polyol; DEG, 12 parts; 5 parts of DMPA; 100 parts of acetone; 4 parts of triethylamine; 143 parts of water; the total amount is 389 parts.
The second aqueous polyurethane system comprises the following raw materials in parts by weight: 1. 45 parts of aqueous polyether emulsion IPDI; 80 parts of polyether polyol; DEG, 12 parts; 5 parts of DMPA; 100 parts of acetone; TEA 4 parts; 143 parts of water; the total amount of the formula is 389 parts.
The third aqueous polyurethane system comprises the following raw materials in parts by weight: an aqueous polycarbonate emulsion; IPDI, 45 parts; 80 parts of polycarbopolyol; DEG, 12 parts; 5 parts of DMPA; 100 parts of acetone; TEA, 4 parts; 143 parts of water; the total amount of the formula is 389 parts.
From the above table 5, table 6 and table 7, the aqueous leather colorant of the present invention satisfies the requirement that the aqueous colorant does not contain any solvent and any carrier resin, has excellent salt spray resistance and alcohol resistance, and belongs to a high concentration concentrated full aqueous colorant. Has very good ductility and good saturation. The colorant product of the invention has longer storage and wider application range, and enables the oil-to-water engineering of leather manufacturing enterprises to be smoothly implemented.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (5)
1. The water-based leather coloring agent is characterized by being prepared from the following raw materials in parts by weight: 100 parts of pigment; 8-66 parts of a functional additive; 0.4-3.3 parts of a defoaming agent; 0.1-1.6 parts of monoethanolamine and 34.8-175.7 parts of water; the functional auxiliary agent is Mix sperse855w produced by Jiangsu Wuxi Mikosi New Material science and technology Limited.
2. The water-based leather colorant according to claim 1, which is prepared from the following raw materials in parts by weight: 100 parts of titanium dioxide; 8 parts of a functional assistant; 0.4 part of defoaming agent; monoethanolamine 0.1 parts and water 34.8 parts.
3. The water-based leather colorant according to claim 1, which is prepared from the following raw materials in parts by weight: 100 parts of iron oxide yellow; 16 parts of a functional assistant; 0.8 part of defoaming agent; monoethanolamine 0.2 parts and water 66.3 parts.
4. The water-based leather colorant according to claim 1, which is prepared from the following raw materials in parts by weight: 100 parts of PK-122 red; 66 parts of a functional assistant; 3.3 parts of a defoaming agent; monoethanolamine 1.6 parts and water 175.7 parts.
5. The aqueous leather colorant according to any one of claims 1-4, wherein the defoamer is BYK-024.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606762.8A CN112745526A (en) | 2020-12-30 | 2020-12-30 | Water-based leather coloring agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606762.8A CN112745526A (en) | 2020-12-30 | 2020-12-30 | Water-based leather coloring agent |
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| CN112745526A true CN112745526A (en) | 2021-05-04 |
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| CN109627854A (en) * | 2018-12-21 | 2019-04-16 | 河北晨阳工贸集团有限公司 | A kind of waterborne general color paste and preparation method thereof |
| CN109679410A (en) * | 2018-12-21 | 2019-04-26 | 河北晨阳工贸集团有限公司 | A kind of waterborne general color paste and preparation method thereof |
| CN110894394A (en) * | 2019-11-12 | 2020-03-20 | 无锡华东锌盾科技有限公司 | Water-based polyester amino baking varnish coating and preparation method and application thereof |
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2020
- 2020-12-30 CN CN202011606762.8A patent/CN112745526A/en active Pending
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