CN105419606B - A kind of aqueous polyurethane delustering agent and preparation method thereof - Google Patents
A kind of aqueous polyurethane delustering agent and preparation method thereof Download PDFInfo
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- CN105419606B CN105419606B CN201510979894.8A CN201510979894A CN105419606B CN 105419606 B CN105419606 B CN 105419606B CN 201510979894 A CN201510979894 A CN 201510979894A CN 105419606 B CN105419606 B CN 105419606B
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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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
- C14C11/006—Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Abstract
The present invention provides a kind of aqueous polyurethane delustering agents, include the component of following parts by weight：Water-based aliphaic polyurethane：20~30 parts, polyether type aqueous polyurethane：20~30 parts, antifoaming agent：0.05~0.1 part, hand feeling agent：1~2 part, moistening flatting agent：0.5~1 part, thickener：1~3 part, pH adjusting agent：0.5~1 part, preservative：0.1~0.5 part, water：40~60 parts.The present invention uses water-based aliphaic polyurethane and polyether type aqueous polyurethane compatible use, so that the present invention obtains a kind of high physical property aqueous polyurethane delustering agent, it can have stronger extinction effect it is not necessary that the physics such as silica delustering agent is added, meanwhile the problems such as also solving impure leather surface color and luster after aqueous polyurethane delustering agent is covered with paint, lacquer, colour wash, etc., burnt hair, whitening.The present invention also provides a kind of preparation methods of aqueous polyurethane delustering agent.
Description
Technical field
The invention belongs to leather agent technical fields more particularly to a kind of aqueous polyurethane delustering agent and preparation method thereof.
Background technology
In the consumption of contemporary leather and fur products, natural stype is advocated, it is a kind of fashion to pursue kishke feel, therefore has corium
The leather demand without brightness or weak brightness of sense is increasing.The gloss of leather surface can be reduced to the surface dulling of leather, eliminated
The plastic sense that coating is excessively bright and generates.
Existing extinction method is mainly physics delustring and chemical quenching two ways.Physics delustring is added in coating
Delustering agent makes its surface irregularity in film forming procedure, increases the scattering to light and reduces and reflect, to generate delustring effect
Fruit.The main extinction material of physics delustring is made of metallic soap, functional fines and wax three categories, wherein belongs to functional
Synthetic silica in fines is presently most popular also the most general extinction material.Physics delustring has apparent delustring
Effect, but that there is also feels is poor, the shortcomings of conjunction loosely with leather block.
Chemical quenching be positioned against the light-absorbing structure of energy that some for example polypropylene grafted substance classes are introduced in coating or
Group, to obtain low gloss.Currently on the market leather surface using it is more be solvent type polyurethane resin gloss oil, but these light
There is limitation in use due to environmental problem in oil.Aqueous polyurethane extinction material is used for leather top finishing physical property
It is good, comfortable feel, and with energy-saving and environmental protection, simple operation and other advantages, paid attention to by leather industry.
Especially the environmental consciousness of people constantly enhances in recent years, and this facilitate the exploitations of water-base polyurethane material, but at present
The aqueous polyurethane extinction material used in the market, extinction performance are weaker than physics delustering agent mostly, to reach stronger delustring effect
Fruit is typically necessary and additionally adds the physics delustering agents such as silica to realize, and the addition of physics delustering agent can be to aqueous poly-
The feel and physical and chemical performance of urethane extinction material itself have adverse effect on.
Invention content
It is provided by the invention aqueous the purpose of the present invention is to provide a kind of aqueous polyurethane delustering agent and preparation method thereof
Polyurethane delustering agent has stronger extinction effect, and good hand touch.
The present invention provides a kind of aqueous polyurethane delustering agent, includes the component of following parts by weight：
Water-based aliphaic polyurethane：20~30 parts, polyether type aqueous polyurethane：20~30 parts, antifoaming agent：0.05~0.1
Part, hand feeling agent：1~2 part, moistening flatting agent：0.5~1 part, thickener：1~3 part, pH adjusting agent：0.5~1 part, preservative：
0.1~0.5 part, water：40~60 parts.
Preferably, the parts by weight of the water-based aliphaic polyurethane are 22~28 parts.
Preferably, the parts by weight of the polyether type aqueous polyurethane are 22~28 parts.
Preferably, the hand feeling agent is organic silicon hand feeling agent.
Preferably, the parts by weight of the hand feeling agent are 1.2~1.8 parts.
Preferably, the thickener is agent for polyacrylic acid thickening and/or polyurethanes thickener.
Preferably, the parts by weight of the thickener are 1.5~2.5 parts.
Preferably, the pH adjusting agent includes inorganic base and/or organic amine.
Preferably, the parts by weight of the pH adjusting agent are 0.6~0.9 part.
The present invention provides a kind of preparation method of aqueous polyurethane delustering agent, includes the following steps：
In terms of parts by weight, by 20~30 parts of water-based aliphaic polyurethane, 20~30 parts of polyether type aqueous polyurethane,
Disperseed after 1~2 part of hand feeling agent, 0.5~1 part of moistening flatting agent and the mixing of 40~60 parts of water, is then added 0.05
~1 part of antifoaming agent, 0.1~0.5 part of preservative, 1~3 part of thickener and the mixing of 0.5~1 part of pH adjusting agent, obtain
Aqueous polyurethane delustering agent.
The present invention provides a kind of aqueous polyurethane delustering agents, include the component of following parts by weight：Aliphatic is aqueous poly-
Urethane：20~30 parts, polyether type aqueous polyurethane：20~30 parts, antifoaming agent：0.05~0.1 part, hand feeling agent：1~2 part, wetting
Levelling agent：0.5~1 part, thickener：1~3 part, pH adjusting agent：0.5~1 part, preservative：0.1~0.5 part, water：40~60
Part.The present invention uses water-based aliphaic polyurethane and polyether type aqueous polyurethane compatible use so that the present invention obtains a kind of high
The aqueous polyurethane delustering agent of physical property can have stronger delustring effect it is not necessary that the physics such as silica delustering agent is added
Fruit, meanwhile, the problems such as also solving impure leather surface color and luster after aqueous polyurethane delustering agent is covered with paint, lacquer, colour wash, etc., burnt hair, whiten.
In addition, aqueous polyurethane delustering agent product stability provided by the invention can be good, it can be with other brighteners, tree
Fat, wax or other auxiliary agents are miscible, and do not influence using effect.
Specific implementation mode
The present invention provides a kind of aqueous polyurethane delustering agents, include the component of following parts by weight：
Water-based aliphaic polyurethane：20~30 parts, polyether type aqueous polyurethane：20~30 parts, antifoaming agent：0.05~0.1
Part, hand feeling agent：1~2 part, moistening flatting agent：0.5~1 part, thickener：1~3 part, pH adjusting agent：0.5~1 part, preservative：
0.1~0.5 part, water：40~60 parts.
Aqueous polyurethane delustering agent provided by the invention is without being added the physics delustering agent such as silica, you can has relatively strong
Extinction effect.
In the present invention, the aqueous polyurethane delustering agent (please illustrate what temperature is the viscosity be at 20~25 DEG C
Under), viscosity is preferably 800~1200mps, more preferably 1000~1200mps；The aqueous polyurethane delustering agent
PH value is preferably 8~9.
In the present invention, the parts by weight of the water-based aliphaic polyurethane be 20~30 parts, preferably 22~28 parts, more
Preferably 24~26 parts.In the present invention, the water-based aliphaic polyurethane is main quenching matter, present invention preferably employs
Aliphatic Polyester Aqueous Polyurethane Dispersions, in the present invention, the water-based aliphaic polyurethane are by aliphatic diisocyanate, carboxylic acid
The hydrophilic dihydric alcohol of type and a kind of polymeric dihydric alcohol of aqueous dispersing group are made under the action of catalyst, since it is in synthesis
The particle of certain grain size distribution is controllably generated in the process, therefore in dried coating film dehydration after-contraction, causes surface microroughness
Increase, glossiness reduces..
In the present invention, the parts by weight of the polyether type aqueous polyurethane be 20~30 parts, preferably 22~28 parts, more
Preferably 24~26 parts.In the present invention, the polyether type aqueous polyurethane is main film forming matter, it is by polyether polyols
Alcohol and diisocyanate are made under conditions of using dihydroxymethyl carboxylic acid as hydrophilic chain extender, and film forming flexible resistance is good, feel
Comfortably, light fastness is excellent, and water resistance and solvent resistance are good, can greatly improve the physical property of delustering agent.Present invention preferably employs
Polyether type aqueous polyurethane lotion, the H48 type polyether type aqueous polyurethanes provided such as Sichuan Dowell Technology Co., Ltd..
In the present invention, the antifoaming agent preferably includes type siloxane antifoaming agent and/or polyethers antifoaming agent；The defoaming
The parts by weight of agent are 0.05~0.1 part, preferably 0.06~0.09 part, more preferably 0.07~0.08 part.The present invention is to institute
The source for stating antifoaming agent does not have special limitation, specifically, in an embodiment of the present invention, it is public that the color foreign polymer in Shanghai can be used
Take charge of the antifoaming agent for the A-208 models that producer provides.
In the present invention, the hand feeling agent preferably includes organic silicon class hand feeling agent；The parts by weight of the hand feeling agent be 1~
2 parts, preferably 1.2~1.8 parts, more preferably 1.3~1.7 parts.Hand feeling agent in the present invention is assigning the same of harness oil moisture feeling
When can improve spraying after scytoblastema physical property.In the present invention, the hand feeling agent can be used Sichuan Dowell Technology Co., Ltd. and carry
One or more of 8229, the 8228 and 8223 type hand feeling agents supplied.
In the present invention, the moistening flatting agent preferably includes modified poly(silicon aether) class moistening flatting agent and/or polysiloxanes
Class moistening flatting agent；The parts by weight of the moistening flatting agent are 0.5~1 part, preferably 0.6~0.9 part, more preferably 0.7
~0.8 part.Specifically, in an embodiment of the present invention, the wetting of 410,240 and 245 models of Di Gao companies offer can be used
One or more of levelling agent.
In the present invention, the thickener preferably includes agent for polyacrylic acid thickening and/or polyurethanes thickener；It is described
The parts by weight of thickener are 1~3 part, preferably 1.5~2.5 parts, more preferably 1.8~2.2 parts.Thickener in the present invention
To the effect that improves significantly the phenomenon that scytoblastema whiting after spraying.Specifically, in an embodiment of the present invention, Shanghai coloured silk can be used
One or more of the thickener for SCT-275, TT935, ASE60 and FN01 model that foreign Polymer Company provides.
In the present invention, the pH adjusting agent preferably includes inorganic base and/or organic amine, more preferably include sodium hydroxide,
One or more of ammonium hydroxide and triethylamine；The parts by weight of the pH adjusting agent be 0.5~1 part, preferably 0.6~0.9 part,
More preferably 0.7~0.8 part.PH adjusting agent in the present invention is to the water resistance of scytoblastema after spraying by significantly improving.The present invention
There is no special limitation to the source of the pH adjusting agent, using the commercial goods of the pH adjusting agent.
In the present invention, the preservative preferably includes BIT class preservatives；The parts by weight of the preservative be 0.1~
0.5 part, preferably 0.2~0.4 part, more preferably 0.3~0.35 part.It is special that the present invention does not have the source of the preservative
Limitation, specifically, the preservative product of the BIT-20 models of Tao Shi chemical industry offer can be used.
Further include water in aqueous polyurethane delustering agent provided by the invention, the parts by weight of the water are 40~60 parts, excellent
It is selected as 45~55 parts, more preferably 50 parts.If the addition of water is excessive, its extinction performance can be weakened.
The present invention also provides a kind of preparation methods of aqueous polyurethane delustering agent, include the following steps：
In terms of parts by weight, by 20~30 parts of water-based aliphaic polyurethane, 20~30 parts of polyether type aqueous polyurethane,
Disperseed after 1~2 part of hand feeling agent, 0.5~1 part of moistening flatting agent and the mixing of 40~60 parts of water, is then added 0.05
~1 part of antifoaming agent, 0.1~0.5 part of preservative, 1~3 part of thickener and the mixing of 0.5~1 part of pH adjusting agent, obtain
Aqueous polyurethane delustering agent.
The present invention preferably by 20~30 parts of water-based aliphaic polyurethane, 20~30 parts of polyether type aqueous polyurethane, 1~
Dispersion machine is added in 2 parts of hand feeling agent, 0.5~1 part of moistening flatting agent and 40~60 parts of water, fully mixed under stirring conditions
It closes, 0.05~1 part of antifoaming agent is then added and is defoamed, after stirring 10~30min, point 2~3 thickenings for being added 1~3 part
Agent and 0.5~1 part of pH adjusting agent make system viscosity reach 800~1200mps, and pH value is 8~9, it is eventually adding 0.1~
0.5 part of preservative filters after continuing 30~60min of stirring, obtains aqueous polyurethane delustering agent.
In the present invention, the water-based aliphaic polyurethane, polyether type aqueous polyurethane, hand feeling agent, moistening flatting agent,
Type, dosage and source and the fat described in above-mentioned technical proposal of water, antifoaming agent, thickener, pH adjusting agent and preservative
Race's aqueous polyurethane, polyether type aqueous polyurethane, hand feeling agent, moistening flatting agent, water, antifoaming agent, thickener, pH adjusting agent and anti-
The type of rotten agent, dosage and source are consistent, and details are not described herein.
The present invention covers with paint, lacquer, colour wash, etc. obtained aqueous polyurethane delustering agent after leather surface, drying and forming-film, tests its performance.Under
It states detection and is divided into two parts, the aqueous polyurethane delustering agent film that a part obtains after forming a film for the delustering agent itself in the present invention
Detection, a part are the detection sprayed the delustering agent after surface.
The present invention tests the mechanical property of delustering agent film in the present invention using tensile testing machine, the results showed that, the present invention
Aqueous polyurethane delustering agent film forming elongation percentage be 4.38 times, film forming tensile strength be 13.28 times.
The present invention tests the hardness in the present invention after delustering agent film forming using Shore durometer, the results showed that, the present invention
Aqueous polyurethane delustering agent film hardness be 89.9.
The present invention impregnates aqueous polyurethane delustering agent film 2 hours under 60 DEG C of hot water or room temperature in butyl ester, then test
The swelling ratio of its delustering agent film, the results showed that, the swelling ratio of aqueous polyurethane delustering agent film of the invention is 1.86 times of (bubbles 2
Hour) and 1.52 times (butyl ester steeps 2 hours).
When the present invention is using photometer 60 DEG C of viewing angle of detection, delustering agent is sprayed on the glossiness on surface by test,
The result shows that glossiness is 5.3 after aqueous polyurethane delustering agent film forming of the invention.
The present invention tests delustering agent using color matching instrument and is sprayed on influence after surface to coating color, the results showed that, this
No matter the aqueous polyurethane delustering agent of invention does not influence the color of scytoblastema coating or tone.
After the delustering agent is sprayed on scytoblastema by the present invention, is irradiated 24 hours, tested at 80 DEG C using sunlamp
Its anti-yellowing property, the results showed that, the anti-yellowing property of scytoblastema after aqueous polyurethane delustering agent of the invention is sprayed on scytoblastema
It is 4~4.5 grades.
The present invention tests resistance to xerotripsis and wet-rub resistance energy in the present invention after delustering agent film forming, knot using frictional testing machine
Fruit show the resistance to xerotripsis of scytoblastema of aqueous polyurethane delustering agent spraying of the invention be 1000 times 5 grades, wet-rub resistance can be 1000
Secondary 4~5 grades.
The present invention tests the abrasion resistance properties in the present invention after delustering agent spraying scytoblastema using abrasiometer, as a result table
Bright, the abrasion resistance properties of scytoblastema are 5 grades after aqueous polyurethane delustering agent spraying scytoblastema of the invention.
The present invention tests the flexibility in the present invention after delustering agent spraying scytoblastema using Tensile ＆ Elongation Tester, the results showed that,
The warping strength of scytoblastema after the aqueous polyurethane delustering agent spraying of the present invention has excellent performance, and 34500 times are deflected at -15 DEG C not
It splits, deflects 46300 times at normal temperatures and do not split.
The present invention provides a kind of aqueous polyurethane delustering agents, pass through extinction material (water-based aliphaic polyurethane) and film forming
Material (polyether type aqueous polyurethane) is compatible, can reach extinction performance required by product and leather surface processing requirement
Mechanical performance, then optimization coordinate other auxiliary agents such as wetting agent, hand feeling agent, thickener that the delustering agent in the present invention is made to reach and disappear by force
The effect of pure color while light.Specifically, the invention has the advantages that：
1) present invention in aqueous polyurethane delustering agent be aqueous product, selected by raw material belong to environment-friendly type, accord with
Close leather cleaning production requirement；
2) present invention is not required to separately add organosilicon just with apparent strong by the way that extinction material and filmogen to be used cooperatively
Extinction effect avoids adverse effect of the physics flatting silica to feel；
3) the aqueous polyurethane delustering agent in the present invention is used for the delustring top finishing of sub-smooth type Leather Finishing, and product is water-fast
Property, anti-yellowing property are good, and non-whitening does not brighten after the scytoblastema re-polishing of spraying, solves resistance to required by leather surface treatment agent
Dry and wet is wiped and the physical mechanical properties problems such as abrasion performance；
4) present invention selects different auxiliary agents, and it is impure in the domestic color and luster unsolved always of surface treatment to solve delustering agent
Just, ash, it is white the defects of problem, the blackness of scytoblastema is good after spraying；
5) contain certain hand feeling agent in inventive formulation, can assign leather moisten, comfortable oil sense, while can carry
The physical property of high coating；
6) product stability of the invention is good, can be miscible with other brighteners, resin, wax or auxiliary agent, and does not influence it and make
Use effect.
In order to further illustrate the present invention, with reference to embodiments to a kind of aqueous polyurethane delustering agent provided by the invention
And preparation method thereof be described in detail, but limiting the scope of the present invention cannot be understood as.
Embodiment 1
20 parts of polyurethane matting resins, 30 parts of polyurethane film-forming resin H48,2 parts of hand feeling agents 8223,50 are weighed by weight
0.05 part of antifoaming agent is added in dispersion cylinder in part water and 1 part of levelling agent 410 under stirring at low speed, stir 20 minutes, divides 3 times and adds
Enter 1 part of FN01 thickener and 1 part of 20% sodium hydroxide solution, emulsion viscosity is made to reach 800-1200mp.s, pH value 8-9, is added
0.2 portion of preservative is filtered after continuing stirring 30-60 minutes up to aqueous polyurethane delustering agent.
Embodiment 2
30 parts of polyurethane matting resins, 20 parts of polyurethane film-forming resin H48,1 part of hand feeling agent 8227,50 are weighed by weight
Part water, 0.5 part of moistening flatting agent, 245,0.1 parts of antifoaming agent, 1.5 parts of SCT-275 thickeners and 1 part of 20% sodium hydroxide solution,
It is prepared up to aqueous polyurethane delustering agent by 1 method of embodiment.
Embodiment 3
25 parts of polyurethane matting resins, 25 parts of polyurethane film-forming resin H48,2 parts of hand feeling agents 8228,50 are weighed by weight
Part water and 0.5 part of moistening flatting agent 240,0.1 parts of antifoaming agent, 3 parts of ASE60 thickener and 0.5 part of ammonium hydroxide, by 1 method of embodiment
It prepares up to aqueous polyurethane delustering agent.
The present invention tests the aqueous poly- ammonia that Examples 1 to 3 obtains according to the detection method in above-mentioned technical proposal respectively
The performance of ester delustering agent, specific as shown in table 1, table 1 is the performance number of aqueous polyurethane delustering agent in the embodiment of the present invention 1~3
According to.
The performance data of aqueous polyurethane delustering agent in 1 embodiment of the present invention 1~3 of table
As can be seen from Table 1, the aqueous polyurethane delustering agent in the present invention not only has stronger extinction performance, also has
Good resistance to dry, wet rubbing and the physical properties such as wear-resistant.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of aqueous polyurethane delustering agent, is grouped as by the group of following parts by weight, and does not add physics delustering agent：
Water-based aliphaic polyurethane：20~30 parts, polyether type aqueous polyurethane：20~30 parts, antifoaming agent：0.05~0.1 part, hand
Feel agent：1~2 part, moistening flatting agent：0.5~1 part, thickener：1~3 part, pH adjusting agent：0.5~1 part, preservative：0.1~
0.5 part, water：40~60 parts；
The water-based aliphaic polyurethane is by aliphatic diisocyanate, the hydrophilic dihydric alcohol of carboxylic acid type and a kind of aqueous dispersion
The polymeric dihydric alcohol of group is made under the action of catalyst；
The polyether type aqueous polyurethane is by polyether polyol and diisocyanate using dihydroxymethyl carboxylic acid as hydrophilic chain extender
Under conditions of be made.
2. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the weight of the water-based aliphaic polyurethane
It is 22~28 parts to measure number.
3. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the weight of the polyether type aqueous polyurethane
It is 22~28 parts to measure number.
4. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the hand feeling agent is organic silicon feel
Agent.
5. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the parts by weight of the hand feeling agent are
1.2~1.8 parts.
6. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the thickener increases for polyacrylic
Thick dose and/or polyurethanes thickener.
7. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the parts by weight of the thickener are
1.5~2.5 parts.
8. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the pH adjusting agent includes inorganic base
And/or organic amine.
9. aqueous polyurethane delustering agent according to claim 1, which is characterized in that the parts by weight of the pH adjusting agent are
0.6~0.9 part.
10. a kind of preparation method of aqueous polyurethane delustering agent, includes the following steps：
In terms of parts by weight, by 20~30 parts of water-based aliphaic polyurethane, 20~30 parts of polyether type aqueous polyurethane, 1~2
The hand feeling agent, 0.5~1 part of moistening flatting agent and 40~60 parts of water of part are disperseed after mixing, and are then added 0.05~1 part
Antifoaming agent, 0.1~0.5 part of preservative, 1~3 part of thickener and 0.5~1 part pH adjusting agent mixing, obtain aqueous poly-
Urethane delustering agent；
The water-based aliphaic polyurethane is by aliphatic diisocyanate, the hydrophilic dihydric alcohol of carboxylic acid type and a kind of aqueous dispersion
The polymeric dihydric alcohol of group is made under the action of catalyst；
The polyether type aqueous polyurethane is by polyether polyol and diisocyanate using dihydroxymethyl carboxylic acid as hydrophilic chain extender
Under conditions of be made.
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| CN108047913A (en) * | 2017-12-19 | 2018-05-18 | 衢州新诺高分子材料有限公司 | A kind of aqueous PVC automobiles leather delustring inorganic agent |
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| CN108330732A (en) * | 2018-01-31 | 2018-07-27 | 上海宏盾防伪材料有限公司 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
| CN110240688A (en) * | 2019-05-24 | 2019-09-17 | 合肥科天水性科技有限责任公司 | Agent waterborne polyurethane resin and preparation method thereof at a kind of table |
| CN114149556B (en) * | 2021-11-18 | 2023-10-27 | 广东西顿新材料科技有限公司 | Aldehyde ketone modified self-extinction aqueous polyurethane dispersion and preparation method thereof |
| CN115322667B (en) * | 2022-08-09 | 2023-08-25 | 四川达威科技股份有限公司 | Polyurethane medium-gloss brightening agent for sheepskin and preparation method thereof |
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| CN104193946A (en) * | 2014-09-15 | 2014-12-10 | 山东天庆科技发展有限公司 | Self-extinction polyurethane resin and preparation method thereof |
| CN104974324A (en) * | 2015-06-30 | 2015-10-14 | 中科院广州化学有限公司南雄材料生产基地 | Reactive self-delustering waterborne polyurethane resin, and preparation method and application thereof |
| CN105155275A (en) * | 2015-07-13 | 2015-12-16 | 温州日胜新材料科技有限公司 | Waterborne ultra-misty ultra-black velvet-feel treating agent used for synthetic leather |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193946A (en) * | 2014-09-15 | 2014-12-10 | 山东天庆科技发展有限公司 | Self-extinction polyurethane resin and preparation method thereof |
| CN104974324A (en) * | 2015-06-30 | 2015-10-14 | 中科院广州化学有限公司南雄材料生产基地 | Reactive self-delustering waterborne polyurethane resin, and preparation method and application thereof |
| CN105155275A (en) * | 2015-07-13 | 2015-12-16 | 温州日胜新材料科技有限公司 | Waterborne ultra-misty ultra-black velvet-feel treating agent used for synthetic leather |
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