CN109403060A - A kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating - Google Patents
A kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating Download PDFInfo
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- CN109403060A CN109403060A CN201811166989.8A CN201811166989A CN109403060A CN 109403060 A CN109403060 A CN 109403060A CN 201811166989 A CN201811166989 A CN 201811166989A CN 109403060 A CN109403060 A CN 109403060A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/125—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyamides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses a kind of preparation methods of the stearic acid modified calcium carbonate of PA wet-process coating, include the following steps: that (1) double site stearic acid is added in absolute methanol solution, it is warming up to 55~65 DEG C of dissolutions, calcium carbonate powder is added in double site tristearin acid solution, continue to be stirred to react 3~12h, gained suspension is filtered, is washed, gained filter cake, which is placed in baking oven, dries.(2) 90~110g absolute methanol solution is warming up to 55~70 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, after stirring 8~12min, 35g anhydrous calcium chloride is added, stop stirring after to complete reaction, 18~22g polyamide waste silk after shredding is added, after the dissolution of polyamide waste silk, it stirs 1~1.5h and polyethers is added, obtain polyamide coating layer slurry after being stirred for 20~40min.The present invention solves the problems such as PA wet-process coating fabric absorbency is bad, and pH value is higher.
Description
Technical field
The invention belongs to textile processing fields, relate to a kind of preparation of the stearic acid modified calcium carbonate of PA wet-process coating
Method.
Background technique
Calcium carbonate is one of common filler in material processing, is mainly used for plastics, rubber, papermaking, coating, ink, doctor
The industries such as medicine, daily use chemicals, food.However, since calcium carbonate surface hydrophily is higher, so that it is poly- with polyamide (PA), high density
The high molecular materials compatibilities such as ethylene (HDPE), polypropylene (PP) are poor, therefore are not easy to be dispersed in high molecular material, so as to cause
The various aspects of performance of material is poor.For this problem, researcher frequently with surfactant to calcium carbonate surface into
Row processing, improves the surface property of calcium carbonate, reduces the interaction between particle and particle, improves the attachment of matrix and filler
Power.Wherein, the most commonly used is in stearic acid or stearate, such as patent CN200910196953 and CN201110061918
All calcium carbonate particle surface is modified using stearic acid or salt, because its is cheap, effect is preferable and industrialized production
Most modifying agent is applied in calcium carbonate particle.However, stearic acid or stearate are single-point anchoring, reduce to a certain extent
Stearic acid or stearate are to the anchoring fastness of calcium carbonate, and (Lai Junwei modified fat acid repairs the surface of powdered whiting to document
Decorations and its application [D] Guangdong University of Technology in the polymer, 2012.) the study found that passing through glycerin monostearate and horse
Carry out acid anhydrides and synthesize double site stearic acid under the catalytic action of p-methyl benzenesulfonic acid, table is carried out to calcium carbonate using dry modification process
Face is modified, can effectively improve modifying agent in the anchoring fastness of calcium carbonate surface.
Currently, be soluble in methanol-Calcium Chloride System based on calcium carbonate, directly using obtained coating product whiteness compared with
High, the advantages that stability is preferable, it is commonly used for polyamide wet-process coating, but the pH value of obtained product is higher, anti-caking
Can be lower, absorbency is bad, influences its print speed printing speed and printing effect.It has been investigated that two carboxyls in double site stearic acid
The binding ability with calcium carbonate surface can be increased, walked so that being not easy to be extracted liquid band in pH test process, and kept for one
Divide carboxyl to ionize, increase H+ concentration, reduces obtained coating product pH value；Meanwhile the carbon that double site is stearic acid modified
Sour calcium surface hydrophobic is stronger, increases calcium carbonate in the preparation process that coating is starched with the compatibility of polyamide macromolecular chain,
Increase the absorbent properties in printing process to ink.Through consulting literatures, double site stearic acid wet process is changed both at home and abroad at present
Property calcium carbonate is rarely reported PA wet-process coating pH value and blotting Journal of Sex Research.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of the stearic acid modified calcium carbonate of PA wet-process coating, for existing
There is the problems in technology, solves the problems such as PA wet-process coating fabric absorbency is bad, and pH value is higher.
In order to solve above-mentioned technical proposal, using following technical scheme:
A kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating, it is characterised in that include the following steps:
Step 1: double site stearic acid being added in absolute methanol solution, 55~65 DEG C of dissolutions are warming up to, by Paris white
End is added in double site tristearin acid solution, continues to be stirred to react 3~12h, gained suspension is filtered, is washed, gained filter
Cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:1.25~7.5
(preferably 100:25:3.75).
Step 2: 90~110g absolute methanol solution being warming up to 55~70 DEG C, the stearic acid modified carbon of above-mentioned double site is added
Sour calcium, stir 8~12min after, be added 35g anhydrous calcium chloride, until completely reaction after stop stirring, be added shred after 18~
22g polyamide waste silk, after the dissolution of polyamide waste silk, polyethers is added in 1~1.5h of stirring, is gathered after being stirred for 20~40min
Amide coating slurry.
After it is preferred that, the purity of anhydrous methanol used is 99.5%.
After it is preferred that, polyamide waste silk used is aliphatic polyamide 6.
As a result of the above technical solution, the following beneficial effects are obtained:
1, the factor for influencing PA wet-process coating product is more, has close pass with the surface nature of calcium carbonate coating filler
System.Stearic acid makes its surface change into lipophilicity by hydrophily the cladding of calcium carbonate surface, is conducive to calcium carbonate and PA waste silk
The compatibility of solution and base fabric keeps PA wet-process coating product stronger to the absorbability of ink, reduces pH value.
2, the present invention be calcium carbonate surface is carried out using double site stearic acid it is directly modified, and by the modified carbon in surface
Sour calcium is used in PA wet-process coating, when double site stearic acid additive amount is the 15% of calcium carbonate mass fraction, coated film mechanics
Performance is best, rises 37.04% and 50.06% respectively compared to untreated calcium carbonate fracture strength and elongation at break；Polyamides
Amine wet-process coating product ink absorption is best, and the contact angle of coated film is 38.52 °, and the ink marks length of coated fabric is 12.9mm；
The pH value of coated fabric is 7.48, and more untreated calcium carbonate has dropped 0.87, more meets environmental requirements.
Specific embodiment
Below with reference to specific embodiment, the invention will be further described:
Embodiment one:
Step 1: 1.25g double site stearic acid being added in 100g absolute methanol solution, 65 DEG C of dissolutions are warming up to, by 25g
Calcium carbonate powder is added in double site tristearin acid solution, continues to be stirred to react 3h, gained suspension is filtered, is washed, institute
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:1.25.
Step 2: absolute methanol solution being warming up to 65 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, is stirred
After 10min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, the polyamide waste silk 20g after shredding is added, to
After the dissolution of polyamide waste silk, polyethers is added in stirring 1h, obtains polyamide coating layer slurry after being stirred for 25min.
Embodiment two:
Step 1: 2.5g double site stearic acid being added in 100g absolute methanol solution, 60 DEG C of dissolutions are warming up to, by 25g carbon
Sour calcium powder is added in double site tristearin acid solution, continues to be stirred to react 6h, gained suspension is filtered, is washed, gained
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:2.5.
Step 2: 100g absolute methanol solution being warming up to 65 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 8~12min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, it is useless that the 18g polyamide after shredding is added
Silk, after the dissolution of polyamide waste silk, polyethers is added in stirring 1.5h, obtains polyamide coating layer slurry after being stirred for 30min.
Embodiment three:
Step 1: 3.75g double site stearic acid being added in 100g absolute methanol solution, 65 DEG C of dissolutions are warming up to, by 25g
Calcium carbonate powder is added in double site tristearin acid solution, continues to be stirred to react 9h, gained suspension is filtered, is washed, institute
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:3.75.
Step 2: 100g absolute methanol solution being warming up to 70 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 10min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, the polyamide waste silk after shredding is added, to
After the dissolution of polyamide waste silk, polyethers is added in stirring 1.5h, obtains polyamide coating layer slurry after being stirred for 40min.
Example IV:
Step 1: 5.00g double site stearic acid being added in 110g absolute methanol solution, 65 DEG C of dissolutions are warming up to, by 25g
Calcium carbonate powder is added in double site tristearin acid solution, continues to be stirred to react 12h, gained suspension is filtered, is washed, institute
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:5.
Step 2: 100g absolute methanol solution being warming up to 60 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 8min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, the 22g polyamide waste silk after shredding is added, to
After the dissolution of polyamide waste silk, polyethers is added in stirring 1h, obtains polyamide coating layer slurry after being stirred for 30min.
Embodiment five:
Step 1: 6.25g double site stearic acid being added in 110g absolute methanol solution, 65 DEG C of dissolutions are warming up to, by 25g
Calcium carbonate powder is added in double site tristearin acid solution, continues to be stirred to react 12h, gained suspension is filtered, is washed, institute
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:5.
Step 2: 100g absolute methanol solution being warming up to 60 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 8min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, the 22g polyamide waste silk after shredding is added, to
After the dissolution of polyamide waste silk, polyethers is added in stirring 1h, obtains polyamide coating layer slurry after being stirred for 30min.
Embodiment six:
Step 1: 7.50g double site stearic acid being added in 110g absolute methanol solution, 65 DEG C of dissolutions are warming up to, by 25g
Calcium carbonate powder is added in double site tristearin acid solution, continues to be stirred to react 12h, gained suspension is filtered, is washed, institute
Filter cake is placed in baking oven and dries.The anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:5.
Step 2: 100g absolute methanol solution being warming up to 60 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 10min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, the 22g polyamide waste silk after shredding is added, to
After the dissolution of polyamide waste silk, polyethers is added in stirring 1h, obtains polyamide coating layer slurry after being stirred for 30min.
Reference examples:
Formula: methanol 100g, anhydrous calcium chloride 35g, polyamide waste silk 20g, calcium carbonate X g, polyethers 2.3g, according to experiment
Formula preparation PA wet-process coating slurry.
According to reference examples and embodiment, influence of the double site stearic acid dosage to PA wet-process coating performance is studied, as a result such as
Shown in Tables 1 and 2.Wherein double site stearic acid dosage refers to that double site stearic acid accounts for the percentage of calcium carbonate quality.
Table 1: influence of the double site stearic acid dosage to activation grade and settling volume
Table 2: influence of the double site stearic acid dosage to PA wet-process coating performance
[note]:
(1) settling volume refers to the volume of modified calcium carbonate particle packing in a solvent, it is reflected to a certain extent
Compatibility between powder and organic solvent.1.00g is weighed by modified calcium carbonate (being accurate to 0.01g), pours into tool plug graduated cylinder
In, a certain amount of atoleine is then added, after calcium carbonate complete wetting, adds atoleine to 10ml graduation mark, lid
Tight plug, by shaken several times above and below tool plug graduated cylinder, level is fixed on sonic oscillation instrument, and oscillation 15min makes CaCO3In liquid stone
It is evenly dispersed in wax, 2h is stood, CaCO is read3Settlement section volume, as settling volume.
(2) activation index refers to that the floating fraction quality of calcium carbonate in water accounts for the ratio of gross mass.Weigh 0.50g carbonic acid
Calcium (being accurate to 0.01g) and 50ml distilled water, are poured into 100ml beaker, sonic oscillation 15min, are stood 30min, are scraped off floating
Calcium carbonate on liquid level is baked to constant weight, records its quality.
In formula: the gross mass of m1:0.50g calcium carbonate and 100ml beaker, g；
M2: the quality of calcium carbonate and 100ml beaker, g after drying.
(3) ink marks length testing is the coating cloth specimen that polyamide coating layer fabric will be cut into 15cm × 4cm, is placed in perseverance
(35 DEG C ± 2 DEG C, 65% ± 2%RH) balance 3h in constant temperature and humidity case.Polyamide coating layer fabric is taken out again, is fixed on one with clip
On a rectangle wooden frame with needle plate.By a drop of ink (3 μ l of every drop) drop behind the surface of polyamide coating layer fabric, rapidly will
Rectangle wooden frame is disposed vertically in climatic chamber, length of the test ink on polyamide coating layer fabric after 3h.
(4) coated film contact angle test is to drip a drop of ink (3 μ l of every drop) in the surface of polyamide coating layer film, test oil
Ink is tested five times, is averaged in polyamide coating layer film surface contact angle size, each sample.
(5) pH value test referring to GB/T 7573-2009 " measurement of pH value of textile aqueous extract liquor " to coated fabric into
The test of row pH value.
(6) test of coated film tensile property is by the 3rd in GB/T 1040.3--2006 " measurement of plastic tensile performance "
Point: the experiment condition of film and thin slice is tested.
By largely testing discovery: the surface that double site stearic acid is used for calcium carbonate is modified, the activation grade of calcium carbonate
It makes moderate progress with settling volume, comprehensively considers test actual conditions, gradient is set as 5%, 10%, 15%, 20%, 25%,
30% 6 gradient.As can be found from Table 1, when double site stearic acid dosage is 15%~20%, overall modified effect is most
Good, activation grade is 87.43~95.38%, and settling volume is 4.05~4.08ml.And utilize Fourier infrared spectrograph, surface sweeping
The tests such as Electronic Speculum, transmission electron microscope, thermogravimetric analyzer probe into double site stearic acid to the mechanism of calcium carbonate surface modifying,
It was found that double site stearic acid, which is successfully obtained, forms one layer of organic coating layer in calcium carbonate surface so that the lipophilicity of calcium carbonate, point
Scattered property is improved.By the stearic acid modified calcium carbonate applications of the double site of different amounts into polyamide wet-process coating, from table 2
In it can be found that when double site stearic acid dosage be 15% when, coating film dynamic performance is best, compared to untreated calcium carbonate be broken
Stress and elongation at break rise 37.04% and 50.06% respectively；Polyamide wet-process coating product ink absorption is best, applies
The contact angle of tunic is 38.52 °, and the ink marks length of coated fabric is 12.9mm；The pH value of coated fabric is 7.48, more untreated
Calcium carbonate has dropped 0.87, more meets environmental requirements.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (5)
1. a kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating, it is characterised in that include the following steps:
(1) double site stearic acid is added in absolute methanol solution, is warming up to 55~65 DEG C of dissolutions, calcium carbonate powder is added double
In the tristearin acid solution of site, continue to be stirred to react 3~12h, gained suspension is filtered, is washed, gained filter cake is placed in baking
It is dried in case, obtains the stearic acid modified calcium carbonate of double site；
(2) 90~110g absolute methanol solution is warming up to 55~70 DEG C, the stearic acid modified calcium carbonate of above-mentioned double site is added, stirs
After mixing 8~12min, 35g anhydrous calcium chloride is added, until stopping stirring after reaction completely, 18~22g polyamide after shredding is added
Waste silk, after the dissolution of polyamide waste silk, polyethers is added in 1~1.5h of stirring, obtains polyamide coating layer after being stirred for 20~40min
Slurry.
2. a kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating according to claim 1, feature exist
In: the purity of anhydrous methanol used in the step (1) and the step (2) is 99.5%.
3. a kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating according to claim 1, feature exist
In: in the step (1), anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:1.25~7.5.
4. a kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating according to claim 3, feature exist
In: in the step (1), anhydrous methanol: calcium carbonate: the stearic mass ratio of double site is 100:25:3.75.
5. a kind of preparation method of the stearic acid modified calcium carbonate of PA wet-process coating according to claim 1, feature exist
In: polyamide waste silk used is aliphatic polyamide 6.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114645466A (en) * | 2022-03-28 | 2022-06-21 | 浙江凯瑞博科技有限公司 | Preparation method of environment-friendly coating product easy to absorb ink |
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| CN114645466A (en) * | 2022-03-28 | 2022-06-21 | 浙江凯瑞博科技有限公司 | Preparation method of environment-friendly coating product easy to absorb ink |
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