CN109181451A - A kind of preparation method of polyacrylate/MOFs composite leather coating agent - Google Patents
A kind of preparation method of polyacrylate/MOFs composite leather coating agent Download PDFInfo
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- CN109181451A CN109181451A CN201811003711.9A CN201811003711A CN109181451A CN 109181451 A CN109181451 A CN 109181451A CN 201811003711 A CN201811003711 A CN 201811003711A CN 109181451 A CN109181451 A CN 109181451A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
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- Polymers & Plastics (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The present invention relates to a kind of polyacrylate/MOFs composite leather coating agent preparation methods, prepare MOFs material using solvent-thermal method first, are then introduced into polyacrylate dispersion by physical blending process, obtain polyacrylate/MOFs composite leather coating agent.Compared with removing from office sample after the covering with paint of virgin pp acid esters, the tensile strength of sample, tearing strength are removed from office after covering with paint, lacquer, colour wash, etc. using composite leather coating agent prepared by the present invention, intensity, water resistance and water vapor permeability is collapsed brokenly and has been respectively increased 5.65%, 10.34%, 21.43%, 8.62% and 5.89%.
Description
Technical field
The present invention relates to the preparation technical fields of leather finishing agent, and in particular to a kind of polyacrylate/MOFs Composite Skin
Remove from office the preparation method of finishing agent.
Background technique
MOFs material be by oxygen-containing, nitrogen etc. multiple tooth organic ligand (being fragrant polyacid or polybase mostly) and transition metal from
Coordination polymer made of sub- self assembly.On the one hand effect of the metal cation in MOFs material is to provide bone as node
On the other hand the maincenter of frame is that branch is formed in maincenter, to enhance physical property (such as porosity and hand of MOFs material
Property).Such material not only has crystal structure similar with zeolite molecular sieve, but also by the rational design of topological structure and has
The expansion of machine functional group can obtain various sizes of duct and hole, while have the properties such as unique light, electricity, magnetic.Therefore,
Membrane material and with polymer it is compound in also show that tempting application prospect.Currently, the common preparation method of MOFs material has
Solvent-thermal method (hydro-thermal method), microwave method, solvent evaporation method etc..Wherein solvent-thermal method has easy to operate, synthesized material pure
The advantages that degree is high, particle size is uniform.
As one of filmogen most widely used in leather finish, main feature has polyacrylate: excellent
Resistance to complications performance, good dry and wet wipe performance, and excellent fast light, ageing-resistant performance and other materials such as resin, are wiped pigment paste
The compatibilities such as light slurry, casein are good.But polyacrylate film forming is fine and close, is formed after covering with paint in leather surface one layer fine and close thin
Film blocks the channel that human body vapour molecule is outwardly spread, sanitation performance is caused to reduce, and then influences relaxing for leather goods dress
Appropriateness.In addition, polyacrylate finishing agent has the defects of " hot sticky cold crisp " and not organic solvent-resistant, limits it and further answer
With.Therefore, researcher expands a large amount of work for how to improve the comprehensive performance of polyacrylate coatings, mainly includes
It carries out compound using porous material and polyacrylate dispersion and has the protide of good hygiene performance at membrane material using itself
Expect modified polyacrylate.
Summary of the invention
The purpose of the present invention is to provide a kind of polyacrylate/MOFs composite leather coating agent preparation methods, use
Leather sample not only has good sanitation performance (water vapor permeability) after the composite leather coating agent of this method preparation is covered with paint, lacquer, colour wash, etc., but also has
Excellent water resistance and mechanical property.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of preparation method of polyacrylate/MOFs composite leather coating agent, comprising the following steps:
Step 1: the preparation of metal organic framework compound material (MOFs)；
Step 2: polyacrylate/MOFs composite leather coating agent preparation.
The step specifically:
Step 1: the preparation of metal organic framework compound material (MOFs): (wherein, (a) (b) (c) three kinds of methods can be made
It is standby to obtain MOFs material)
(a) firstly, by ZrCl4It is dissolved in respectively with terephthalic acid (TPA) in 20 mL N,N-dimethylformamides (DMF);Then by two
It is transferred in reaction kettle after kind solution mixing and carries out hydro-thermal reaction, use membrane filtration after reaction；Then, place the product in 2
20 ~ 28 h are stirred at room temperature in the DMF of the mL of mL ~ 40, reuse membrane filtration；Further place the product in the mL of 50 mL ~ 100
Methanol in 20 ~ 28 h are stirred at room temperature, reuse membrane filtration, finally by product in air dry to get arrive MOFs material
Material；
(b) firstly, by ZrOCl2‧8H2O and fumaric acid are dissolved in respectively in 30 mL DMF and 3 mL formic acid, then by two kinds of solution
It is transferred to after mixing in reaction kettle and carries out hydro-thermal reaction, used membrane filtration after reaction, product is used into DMF and acetone respectively
Washing for several times, is finally dried in air to get MOFs material；
(c) it is dissolved in 20 mL deionized waters after mixing zinc acetate and 5- amino isophthalic acid, vinegar acid for adjusting pH is added extremely
Then above-mentioned solution is transferred in reaction kettle by 3.6 ~ 4.2,20 min of magnetic agitation, use filter membrane mistake after carrying out hydro-thermal reaction
Filter, finally, drying product centrifugation, washing to get MOFs material in air；
Step 2: the preparation of polyacrylate/MOFs composite leather coating agent:
Firstly, MOFs material ultrasonic disperse prepared by step 1 is obtained the suspension of MOFs material, so in deionized water
The suspension is added in polyacrylate dispersion blended under agitation to get to polyacrylate/MOFs composite leather coating afterwards
Agent.
Further, in (a) of the step 1, ZrCl4Mass ratio with terephthalic acid (TPA) is 1:0.5 ~ 1:2, wherein
ZrCl4Dosage be 0.7 ~ 2 g；The temperature of hydro-thermal reaction is 100 ~ 150 DEG C, and the time of reaction is 20 ~ 28 h.
Further, in (b) of the step 1, ZrOCl2‧8H2The mass ratio of O and fumaric acid is 1:1 ~ 1:3, wherein
ZrOCl2‧8H2The dosage of O is 0.1 ~ 0.5 g；The temperature of hydro-thermal reaction is 80 ~ 120 DEG C, and the reaction time is 20 ~ 28h.
Further, in (c) of the step 1, the mass ratio of zinc acetate and 5- amino isophthalic acid is 1:0.5 ~ 1:
2.5, wherein wherein the dosage of zinc acetate is 0.05 ~ 0.2g；The temperature of hydro-thermal reaction be 150 ~ 200 DEG C, the reaction time be 5 ~
6d。
Further, in the step 2, the time of ultrasonic disperse is 10~20 min；The dosage of deionized water is poly- third
The 50% of olefin(e) acid ester quality of the emulsion；The solid content of polyacrylate dispersion is 33%；The dosage of MOFs material is polyacrylate cream
The 0.25%~3% of fluid solid content.
Further, in the step 2, the suspension of MOFs material and the blending temperature of polyacrylate dispersion are 75
~85 DEG C, stirring rate is 300 turns/min, and the blending time is 4~8 h.
Compared with prior art, the invention has the benefit that
The present invention utilizes the characteristics of large specific surface area and duct advantage of MOFs material, the shape in polyacrylate leather finishing agent
At a large amount of interface holes, to be conducive to the promotion of polyacrylate leather finishing agent sanitation performance.With virgin pp acid esters skin
Leather finishing agent is compared, and the tensile strength of sample is removed from office after covering with paint, lacquer, colour wash, etc. using composite leather coating agent prepared by the present invention, tearing strength, is collapsed brokenly
Intensity, water resistance and water vapor permeability have been respectively increased 5.65%, 10.34%, 21.43%, 8.62% and 5.89%.
Detailed description of the invention
Fig. 1 is the SEM photograph of MOFs material, and (a) uses ZrCl4It is the MOFs material of raw material preparation with terephthalic acid (TPA),
(b) ZrOCl is used2‧8H2O and fumaric acid are the MOFs material of raw material preparation, (c) use zinc acetate and 5- amino isophthalic acid
For the MOFs material of raw material preparation.
Specific embodiment
Below by specific embodiment to a kind of preparation of polyacrylate/MOFs composite leather coating agent of the present invention
Method is described further.
Embodiment 1
(1) preparation of MOFs material
By 0.7 g ZrCl4It is dissolved in 20 mL n,N-Dimethylformamide (DMF) respectively with 0.35 g terephthalic acid (TPA), then
Two kinds of solution are mixed and are transferred in reaction kettle, use membrane filtration after 20 h of hydro-thermal reaction at 150 DEG C, place the product in 2
Membrane filtration is reused after 28 h are stirred at room temperature in mL DMF, further place the product in be stirred at room temperature 28 in 50 mL methanol
Membrane filtration is reused after h, then dries product to get MOFs material is arrived in air.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material, 15 min of ultrasonic disperse obtains the suspension of MOFs material in deionized water, is then added into poly-
In acrylic acid ester emulsion, 80 DEG C at a temperature of, stirring 5 h with the rate of 300 turns/min makes its blending, and polypropylene can be obtained
Acid esters/MOFs composite leather coating agent.(wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, polypropylene
The solid content of acid esters lotion is that the dosage of 33%, MOFs material is the 0.5% of polyacrylate dispersion solid content.)
Embodiment 2
(1) preparation of MOFs material
By 0.2 g ZrOCl2‧8H2O and 0.5 g fumaric acid are dissolved in respectively in 30 mL DMF and 3 mL formic acid, then by two kinds
Solution is mixed and is transferred in reaction kettle, uses membrane filtration after 20 h of hydro-thermal reaction at 120 DEG C, product is used DMF respectively
For several times with acetone washing, it then dries in air to get MOFs material.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material, 20 min of ultrasonic disperse obtains the suspension of MOFs material in deionized water, is then added into poly-
In acrylic acid ester emulsion, 85 DEG C at a temperature of, stirring 4 h with the rate of 300 turns/min makes its blending, and polypropylene can be obtained
Acid esters/MOFs composite leather coating agent.Wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, polyacrylic acid
The solid content of ester lotion is that 33%, MOFs material utilization amount is the 0.25% of polyacrylate dispersion solid content.
Embodiment 3
(1) preparation of MOFs material
It is dissolved in 20 mL deionized waters after 0.1 g zinc acetate and 0.1 g 5- amino isophthalic acid are mixed, acetic acid tune is added
PH to 3.6 is saved, then above-mentioned solution is transferred in reaction kettle by 20 min of magnetic agitation, 5 d of hydro-thermal reaction at 150 DEG C, will
Product centrifugation, washed several times with water, are then dried in air to get MOFs material.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material, 20 min of ultrasonic disperse obtains the suspension of MOFs material in deionized water, is then added into poly-
In acrylic acid ester emulsion, 75 DEG C at a temperature of, stirring 8 h with the rate of 300 turns/min makes its blending, and polypropylene can be obtained
Acid esters/MOFs composite leather coating agent.Wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, polyacrylic acid
The solid content of ester lotion is that 33%, MOFs material is the 2% of polyacrylate dispersion solid content.
Embodiment 4
(1) preparation of MOFs material
By 2 g ZrCl4It is dissolved in 20 mL n,N-Dimethylformamide (DMF) respectively with 4 g terephthalic acid (TPA)s, then by two
Kind solution is mixed and is transferred in reaction kettle, uses membrane filtration after 28 h of hydro-thermal reaction at 100 DEG C, place the product in 40mL
Reuse membrane filtration after 24 h are stirred at room temperature in DMF, further place the product in 20h is stirred at room temperature in 80 mL methanol after
Membrane filtration is reused, then dries product to get MOFs material is arrived in air.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material 10 min of ultrasonic disperse in deionized water, the suspension of MOFs material is obtained, is then added into
In polyacrylate dispersion, 80 DEG C at a temperature of, stirring 6 h with the rate of 300 turns/min makes its blending, can be obtained poly- third
Olefin(e) acid ester/MOFs composite leather coating agent.Wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, polypropylene
The solid content of acid esters lotion is that the dosage of 33%, MOFs material is the 1% of polyacrylate dispersion solid content.
Embodiment 5
(1) preparation of MOFs material
By 1.5 g ZrCl4It is dissolved in 20 mL n,N-Dimethylformamide (DMF) respectively with 1.7 g terephthalic acid (TPA)s, then
Two kinds of solution are mixed and are transferred in reaction kettle, use membrane filtration after hydro-thermal reaction 25h at 130 DEG C, place the product in
Membrane filtration is reused after 20 h are stirred at room temperature in 20mL DMF, further place the product in be stirred at room temperature in 100 mL methanol
It reuses membrane filtration afterwards for 24 hours, then dries product to get MOFs material is arrived in air.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material 10 min of ultrasonic disperse in deionized water, the suspension of MOFs material is obtained, is then added into
In polyacrylate dispersion, 85 DEG C at a temperature of, stirring 7 h with the rate of 300 turns/min makes its blending, can be obtained poly- third
Olefin(e) acid ester/MOFs composite leather coating agent.Wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, polypropylene
The solid content of acid esters lotion is that the dosage of 33%, MOFs material is the 1.5% of polyacrylate dispersion solid content.
Embodiment 6
(1) preparation of MOFs material
It is dissolved in 20 mL deionized waters after 0.2 g zinc acetate and 0.4 g 5- amino isophthalic acid are mixed, acetic acid tune is added
PH to 4.2 is saved, then above-mentioned solution is transferred in reaction kettle by 20 min of magnetic agitation, 6 d of hydro-thermal reaction at 180 DEG C, will
Then product centrifugation, washed several times with water are dried in air to get MOFs material is arrived.
(2) polyacrylate/MOFs composite leather coating agent preparation
By MOFs material 20 min of ultrasonic disperse in deionized water, the suspension of MOFs material is obtained, is then added into
In polyacrylate dispersion, 80 DEG C at a temperature of, stirring 8 h with the rate of 300 turns/min makes its blending, can be obtained poly-
Acrylate/MOFs composite leather coating agent.Wherein, the quality of deionized water is the 50% of polyacrylate dispersion quality, poly- third
The solid content of olefin(e) acid ester lotion is that 33%, MOFs material is the 3% of polyacrylate dispersion solid content.
In order to test after polyacrylate prepared by the present invention/MOFs multiple emulsion is covered with paint, lacquer, colour wash, etc. the performance for removing from office sample, the present invention
People characterizes MOFs material using SEM, and leather sample has carried out mechanicalness after covering with paint, lacquer, colour wash, etc. polyacrylate/MOFs multiple emulsion
Can, the test of water resistance and permeable gas is as follows to test result analysis in conjunction with attached drawing:
Fig. 1 is the SEM photograph using MOFs material prepared by the present invention, it will thus be seen that selects ZrCl4It is with terephthalic acid (TPA)
The MOFs material of raw material preparation is the nano-crystalline granule with obvious octahedral structure, and partial size is in 100 nm or so；It selects
ZrOCl2‧8H2O and fumaric acid are the MOFs material of raw material preparation, use zinc acetate and 5- amino isophthalic acid for raw material preparation
MOFs material be respectively in rodlike and block structure, crystalline size is all at 1 μm or so.
Table 1 is the performance that sample is removed from office after covering with paint, lacquer, colour wash, etc. using polyacrylate/MOFs composite leather coating agent prepared by the present invention,
As shown in Table 1, compared with removing from office sample after the covering with paint of virgin pp acid esters, after being covered with paint, lacquer, colour wash, etc. using composite leather coating agent prepared by the present invention
Remove from office the tensile strength of sample, tearing strength, collapse brokenly intensity, water resistance and water vapor permeability be respectively increased 5.65%, 10.34%,
21.43%, 8.62% and 5.89%.
1 lotion of table removes from office sample performance after covering with paint, lacquer, colour wash, etc. compares
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are right by reading description of the invention
Any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (10)
1. a kind of polyacrylate/MOFs composite leather coating agent preparation method, which comprises the following steps:
Step 1: the preparation of metal organic framework compound material (MOFs)；
Step 2: polyacrylate/MOFs composite leather coating agent preparation.
2. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 1, feature exist
In,
In step 1, the preparation of metal organic framework compound material (MOFs) method particularly includes:
Firstly, by ZrCl4It is dissolved in respectively with terephthalic acid (TPA) in 20 mL N,N-dimethylformamides (DMF);Then molten by two kinds
It is transferred in reaction kettle after liquid mixing and carries out hydro-thermal reaction, use membrane filtration after reaction；Then, place the product in 2 mL ~
20 ~ 28 h are stirred at room temperature in the DMF of 40 mL, reuse membrane filtration；Further place the product in the first of the mL of 50 mL ~ 100
20 ~ 28 h are stirred at room temperature in alcohol, reuse membrane filtration, finally dry product to get MOFs material is arrived in air.
3. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 1, feature exist
In,
In step 1, the specific method of the preparation of metal organic framework compound material (MOFs) may be used also are as follows:
Firstly, by ZrOCl2‧8H2O and fumaric acid are dissolved in respectively in 30 mL DMF and 3 mL formic acid, then mix two kinds of solution
After be transferred in reaction kettle and carry out hydro-thermal reaction, use membrane filtration after reaction, product used into DMF and acetone washing respectively
For several times, it finally dries in air to get MOFs material.
4. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 1, feature exist
In,
In step 1, the specific method of the preparation of metal organic framework compound material (MOFs) may be used also are as follows:
It is dissolved in 20 mL deionized waters after zinc acetate and 5- amino isophthalic acid are mixed, addition vinegar acid for adjusting pH to 3.6 ~
Then above-mentioned solution is transferred in reaction kettle by 4.2,20 min of magnetic agitation, use membrane filtration after carrying out hydro-thermal reaction, most
Afterwards, it by product centrifugation, washing, dries in air to get MOFs material.
5. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 1, feature exist
In,
In step 2, the specific steps of polyacrylate/MOFs composite leather coating agent preparation are as follows:
Firstly, MOFs material ultrasonic disperse prepared by step 1 is obtained the suspension of MOFs material, so in deionized water
The suspension is added in polyacrylate dispersion blended under agitation to get to polyacrylate/MOFs composite leather coating afterwards
Agent.
6. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 2, feature exist
In,
In the step 1, ZrCl4Mass ratio with terephthalic acid (TPA) is 1:0.5 ~ 1:2, wherein ZrCl4Dosage be 0.7 ~ 2
g；
The temperature of hydro-thermal reaction is 100 ~ 150 DEG C, and the time of reaction is 20 ~ 28 h.
7. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 3, feature exist
In:
In the step 1, ZrOCl2‧8H2The mass ratio of O and fumaric acid is 1:1 ~ 1:3, wherein ZrOCl2‧8H2The dosage of O is
0.1 ~0.5 g；
The temperature of hydro-thermal reaction is 80 ~ 120 DEG C, and the reaction time is 20 ~ 28h.
8. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 4, feature exist
In:
In the step 1, the mass ratio of zinc acetate and 5- amino isophthalic acid is 1:0.5 ~ 1:2.5, wherein wherein acetic acid
The dosage of zinc is 0.05 ~ 0.2g；
The temperature of hydro-thermal reaction is 150 ~ 200 DEG C, and the reaction time is 5 ~ 6d.
9. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 5, feature exist
In:
In the step 2, the time of ultrasonic disperse is 10~20 min；
The dosage of deionized water is the 50% of polyacrylate dispersion quality；
The solid content of polyacrylate dispersion is 33%；
The dosage of MOFs material is the 0.25%~3% of polyacrylate dispersion solid content.
10. a kind of preparation method of polyacrylate/MOFs composite leather coating agent according to claim 5, feature
It is:
In the step 2, the suspension of MOFs material and the blending temperature of polyacrylate dispersion are 75~85 DEG C, stirring speed
Rate is 300 turns/min, and the blending time is 4~8 h.
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| CN111961218A (en) * | 2020-08-31 | 2020-11-20 | 陕西科技大学 | Preparation method of flame-retardant castor oil based Cu-Zr-MOF (copper-zirconium-Metal organic framework) compound fatting agent |
| CN112876924A (en) * | 2021-02-20 | 2021-06-01 | 陕西科技大学 | Breathable polyacrylate/Ti-MOF composite leather finishing agent and preparation method thereof |
| CN113480905A (en) * | 2021-08-04 | 2021-10-08 | 陕西科技大学 | Leather coating with fluorescent response to benzene-series VOCs and preparation method thereof |
| CN114112124A (en) * | 2021-11-02 | 2022-03-01 | 陕西科技大学 | PEDOT (Poly ethylene glycol Ether phosphate)/PSS (magnesium calcium carbonate)/MgAlV (magnesium aluminium hydroxide)/LDH (layered double hydroxide)/leather flexible wearable sensing material and preparation method thereof |
| WO2022262578A1 (en) * | 2021-06-16 | 2022-12-22 | 江苏集萃智能液晶科技有限公司 | Dimming material composition and dimming device |
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| CN111961218A (en) * | 2020-08-31 | 2020-11-20 | 陕西科技大学 | Preparation method of flame-retardant castor oil based Cu-Zr-MOF (copper-zirconium-Metal organic framework) compound fatting agent |
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| CN113480905B (en) * | 2021-08-04 | 2022-03-25 | 陕西科技大学 | Leather coating with fluorescent response to benzene-series VOCs and preparation method thereof |
| CN114112124A (en) * | 2021-11-02 | 2022-03-01 | 陕西科技大学 | PEDOT (Poly ethylene glycol Ether phosphate)/PSS (magnesium calcium carbonate)/MgAlV (magnesium aluminium hydroxide)/LDH (layered double hydroxide)/leather flexible wearable sensing material and preparation method thereof |
| CN114112124B (en) * | 2021-11-02 | 2023-11-10 | 陕西科技大学 | PEDOT (polyethylene glycol terephthalate) PSS/MgAlV-LDH (layered double hydroxide-lateral double hydroxide) leather flexible wearable sensing material and preparation method thereof |
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