CN109593452A - Aqueous matte surface finishing agent and preparation method thereof - Google Patents
Aqueous matte surface finishing agent and preparation method thereof Download PDFInfo
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to high-molecular coating technical fields to provide a kind of aqueous matte surface finishing agent for the problem that feel is poor, and the technical solution is as follows: the component including following mass fraction: 25 parts of aqueous polyurethane；55-65 parts of pure water；3-5 parts of conductive metal powder；0.3-0.5 parts of cobalt salt；5-8 parts of organic silicon hand feeling agent.A kind of preparation method of aqueous matte surface finishing agent, comprising the following steps: (1) conductive metal powder and cobalt salt are added in organic silicon hand feeling agent, stirs evenly to form the first pre-composition；(2) aqueous polyurethane and the first pre-composition are added in pure water, stirs evenly to form the second pre-composition；(3) levelling agent, defoaming agent, thickener and delustering agent are added in the second pre-composition, stirs evenly to form the aqueous matte surface finishing agent of final product.By the way that organic silicon hand feeling agent is added, aqueous matte surface finishing agent is enabled to assign the preferable soft feeling in artificial leather surface, sliding sense, and form surface pattern so that the feel of artificial leather is preferable, closer to the feel of natural leather article.
Description
Technical field
The present invention relates to high-molecular coating technical fields, more particularly, to a kind of aqueous matte surface finishing agent and its preparation side
Method.
Background technique
With social development, requirement of the people to living standard is higher and higher, comfortable durable leather and fur products more by
Welcome, but since leather and fur products needs to have drawn from the crust of the animals such as pigs and cattle so that the quality and yield of leather and fur products by
The limitation of animal individual difference and reproduction speed, therefore artificial leather comes into being.
Artificial leather is a kind of appearance, feel like leather and the plastic products that it can be replaced to use.Usually using fabric as base,
Coating synthetic resin and the addition of various plastics are made.Mainly there are PVC artificial leather, PU artificial leather and PU synthetic leather three classes.
In order to meet consumption demand, artificial leather needs to have more true feel, and common PVC artificial leather is due to its tool
There are plastic properties, so that feel always dispatches a person by force to anticipate, it is difficult to meet consumption demand, therefore there are also improve space.
Summary of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of aqueous matte surface finishing agent, tool
Have the advantages that feel is preferable.
To achieve the above object, the present invention provides the following technical scheme that
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；
55-65 parts of pure water；
3-5 parts of conductive metal powder；
0.3-0.5 parts of cobalt salt；
5-8 parts of organic silicon hand feeling agent.
By using above-mentioned technical proposal, by using aqueous polyurethane, so that can be used when dilution aqueous polyurethane pure
Water dilution reduces the pollution to environment and aqueous matte surface finishing agent is effectively reduced on artificial leather surface without organic solvent
The penetrating odor that the film that covering is formed is given out；By the way that organic silicon hand feeling agent is added, enable aqueous matte surface finishing agent
The preferable soft feeling in artificial leather surface, sliding sense are assigned, and forms surface pattern so that the feel of artificial leather is preferable, closer to naturally
The feel of leather and fur products；By the way that conductive metal powder is added, so that aqueous matte surface finishing agent forms one layer of conduction on artificial leather surface
Film so that such as sofa, carpet be typically secured to the artificial leather product on ground with human body occur friction and generate quiet
When electric, the film by being covered on artificial leather surface quickly conducts charge, and reducing the accumulation of artificial leather partial electrostatic lotus causes to inhale
The case where attached a large amount of absorption dusts, while the electrostatic charge guiding the earth for being accumulated human body by film, and then reduce human body accumulation
The case where electrostatic charge, is significantly reduced the case where accumulation of static electricity on human body lotus has an impact human body physiological characteristics, while reducing people
Body electric discharge leads to uncomfortable situation；Increase the adhesion stability of conductive metal powder Yu organic silicon hand feeling agent by addition cobalt salt,
So that conductive metal powder is steadily uniformly dispersed, so that the painting film conductivity that aqueous matte surface finishing agent is formed is preferable.
The present invention is further arranged to: further include the component of following mass fraction:
1-3 parts of levelling agent；
0.2-0.4 parts of defoaming agent；
1-1.5 parts of thickener；
3-5 parts of delustering agent.
By using above-mentioned technical proposal, make aqueous matte surface finishing agent in the process of drying and forming-film by the way that levelling agent is added
One smooth, smooth, uniform film of middle formation keeps film forming uniform, natural；By the way that defoaming agent is added, inhibits foam to generate, keep away
Exempt from the film that aqueous matte surface finishing agent is formed and generates the case where hollowing, bubble etc. influence appearance；Make water by the way that thickener is added
Property matte surface finishing agent is not easy arbitrarily to flow after being applied on artificial leather, so that aqueous matte surface finishing agent is applied to artificial leather surface shape
At coating thickness it is uniform；Light pollution is reduced by the way that delustering agent is added, so that the artificial leather handled by aqueous matte surface finishing agent
Appearance is more natural.
The present invention is further arranged to: the aqueous polyurethane is self-crosslinking aqueous polyurethane.
By using above-mentioned technical proposal, by using self-crosslinking aqueous polyurethane, so that aqueous matte surface finishing agent is not necessarily to
The substances such as curing agent and curing initiator are added, construct when so that forming film more convenient.
The present invention is further arranged to: the conductive metal powder includes one or both of copper powder, silver powder.
By using above-mentioned technical proposal, using copper powder or the high conductivity of silver powder, so that conductive effect is preferable, so that
The effect for reducing static electricity on human body lotus is preferable.
The present invention is further arranged to: the levelling agent is silicone levelling agent.
By using above-mentioned technical proposal, so that levelling agent and aqueous polyurethane and organic silicon hand feeling agent all have preferably
Compatibility, be easily dispersed uniformly so that the effect of levelling agent play it is preferable.
The present invention is further arranged to: the defoaming agent is organic silicon defoaming agent.
By using above-mentioned technical proposal, so that defoaming agent and aqueous polyurethane and organic silicon hand feeling agent all have preferably
Compatibility so that defoaming agent is easily dispersed uniformly, so that the effect of defoaming is preferable.
The present invention is further arranged to: the thickener is starch.
It by using above-mentioned technical proposal, is thickened by using natural thickener starch, reduces pollution, more ring
It protects, and thickening effect is preferable.
The present invention is further arranged to: further include the component of following mass-dispersion:
0.1-0.3 parts of anthocyanidin.
By using above-mentioned technical proposal, by the way that anthocyanidin is added so that glucose molecule in anthocyanidin and starch with
The form of glycosidic bond combines, and then the strand of extended starch, so that the thickening effect of starch is preferable, reduces usage amount.
In view of the deficienciess of the prior art, the second object of the present invention is to provide a kind of above-mentioned aqueous matte surface finishing agent
Preparation method comprising following steps:
(1) conductive metal powder and cobalt salt are added in organic silicon hand feeling agent, stirs evenly to form the first pre-composition；
(2) aqueous polyurethane and the first pre-composition are added in pure water, stirs evenly to form the second pre-composition；
(3) levelling agent, defoaming agent, thickener and delustering agent are added in the second pre-composition, stirs evenly to form whole production
The aqueous matte surface finishing agent of object.
By using above-mentioned technical proposal, by dispersing conductive metal powder and cobalt salt in organic silicon hand feeling agent, with
Cobalt salt is made full use of to increase the characteristic of the adhesion stability of conductive metal powder and organic silicon hand feeling agent, so that conductive metal powder is uniform
It is dispersed in organic silicon hand feeling agent, it is to be dispersed in aqueous polyurethane aqueous solution by organic silicon hand feeling agent so that conductive
Metal powder is dispersed in aqueous polyurethane aqueous solution, reduces situations such as conductive metal powder is reunited, precipitated, while passing through conduction
Metal powder makes organic silicon hand feeling agent generate micro uneven phenomenon so that aqueous matte surface finishing agent be applied to it is artificial
Film on leather generates certain lines feel, so that the feel of artificial leather is preferable.
The present invention is further arranged to: the step (1) 75 DEG C -85 DEG C at a temperature of be stirred, the step (2)
It is stirred in room temperature, the step (3) is stirred in room temperature.
By using above-mentioned technical proposal, by 75 DEG C -85 DEG C at a temperature of be stirred conductive metal powder with it is organic
Silicon hand feeling agent so that organic silicon hand feeling agent at high temperature mobility more preferably so that conductive metal powder it is more readily dispersible uniformly,
It improves efficiency；By carrying out step (2) and step (3) at room temperature, high temperature is avoided to influence levelling agent, defoaming agent, thickener
And the activity of delustering agent, so that aqueous matte surface finishing agent better quality.
In conclusion the invention has the following advantages:
1. by be added organic silicon hand feeling agent, enable aqueous matte surface finishing agent assign the preferable soft feeling in artificial leather surface,
Sliding sense, and surface pattern is formed so that the feel of artificial leather is preferable, closer to the feel of natural leather article；
2. by the way that conductive metal powder is added, so that aqueous matte surface finishing agent forms one layer of conductive painting on artificial leather surface
Film is led the electrostatic charge that human body accumulates by film so that such as sofa, carpet are typically secured to the artificial leather product on ground
To the earth, and then reduce the case where human body accumulates electrostatic charge；
3. by the way that cobalt salt is added to increase the adhesion stability of conductive metal powder Yu organic silicon hand feeling agent, so that conductive metal
Powder is steadily uniformly dispersed, so that the painting film conductivity that aqueous matte surface finishing agent is formed is preferable.
Specific embodiment
With reference to embodiments, invention is further described in detail.
In following embodiment, self-crosslinking aqueous polyurethane is aqueous using the monocomponent self-cross-linking type of Mitsui Chemicals, Inc
Polyurethane resin.
In following embodiment, cobalt salt is using the WK-850 of Ganzhou Gu Wu Co., Ltd without nickel rifle color cobalt salt.
In following embodiment, organic silicon hand feeling agent uses the organosilicon hand of Guangzhou Si Luoke high molecular polymer Co., Ltd
Feel agent Silok-3538.
In following embodiment, silicone levelling agent uses the organosilicon of Guangzhou Si Luoke high molecular polymer Co., Ltd
Levelling agent Silok-354.
In following embodiment, organic silicon defoaming agent uses aqueous the having of Guangzhou Si Luoke high molecular polymer Co., Ltd
Machine silicon defoaming agent Silok-4500.
In following embodiment, delustering agent uses the S6 organic matting agent of Dongguan City Sheng Yuan Chemical Co., Ltd..
Embodiment 1
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；55 parts of pure water；5 parts of conductive metal powder；0.5 part of cobalt salt；8 parts of organic silicon hand feeling agent；Levelling
3 parts of agent；0.2 part of defoaming agent；1 part of starch；0.1 part of anthocyanidin；5 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 8kg, copper powder 4.5kg, silver powder 0.5kg, cobalt salt 0.5kg are added in a stirring kettle, is warming up to
75 DEG C, revolving speed 500r/min, stir 1h, be mixing uniformly to form the first pre-composition, stop stirring and cooled to room temperature with
It is spare；
(2) pure water 55kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 3kg, defoaming agent 0.2kg, starch 1kg, anthocyanidin 0.1kg and delustering agent 5kg are put into, at room temperature,
Revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form final product
Aqueous matte surface finishing agent.
Embodiment 2
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；60 parts of pure water；4 parts of conductive metal powder；0.4 part of cobalt salt；6.5 parts of organic silicon hand feeling agent；Stream
2 parts of flat agent；0.3 part of defoaming agent；1.3 parts of starch；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 6.5kg, copper powder 3.6kg, silver powder 0.4kg, cobalt salt 0.4kg, heating are added in a stirring kettle
To 80 DEG C, revolving speed 800r/min, 45min is stirred, is mixing uniformly to form the first pre-composition, stop stirring and naturally cools to room
Temperature is with spare；
(2) pure water 60kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 2kg, defoaming agent 0.3kg, starch 1.3kg, anthocyanidin 0.2kg and delustering agent 4kg, room temperature are put into
Under, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form whole production
The aqueous matte surface finishing agent of object.
Embodiment 3
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；3 parts of conductive metal powder；0.3 part of cobalt salt；5 parts of organic silicon hand feeling agent；Levelling
1 part of agent；0.4 part of defoaming agent；1.5 parts of starch；0.3 part of anthocyanidin；3 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 5kg, copper powder 2.7kg, silver powder 0.3kg, cobalt salt 0.3kg are added in a stirring kettle, is warming up to
85 DEG C, revolving speed 800r/min, 40min is stirred, is mixing uniformly to form the first pre-composition, stops stirring and cooled to room temperature
With spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1kg, defoaming agent 0.4kg, starch 1.5kg, anthocyanidin 0.3kg and delustering agent 3kg, room temperature are put into
Under, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form whole production
The aqueous matte surface finishing agent of object.
Embodiment 4
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；5 parts of conductive metal powder；0.5 part of cobalt salt；7 parts of organic silicon hand feeling agent；Levelling
1.5 parts of agent；0.4 part of defoaming agent；1.2 parts of starch；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg, copper powder 4.5kg, silver powder 0.5kg, cobalt salt 0.5kg are added in a stirring kettle, is warming up to
85 DEG C, revolving speed 800r/min, 40min is stirred, is mixing uniformly to form the first pre-composition, stops stirring and cooled to room temperature
With spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 1
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；8 parts of conductive metal powder；0.8 part of cobalt salt；7 parts of organic silicon hand feeling agent；Levelling
1.5 parts of agent；0.4 part of defoaming agent；1.2 parts of starch；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg, copper powder 7.2kg, silver powder 0.8kg, cobalt salt 0.8kg are added in a stirring kettle, is warming up to
85 DEG C, revolving speed 800r/min, 40min is stirred, is mixing uniformly to form the first pre-composition, stops stirring and cooled to room temperature
With spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 2
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；10 parts of conductive metal powder；1 part of cobalt salt；7 parts of organic silicon hand feeling agent；Levelling agent
1.5 part；0.4 part of defoaming agent；1.2 parts of starch；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg, copper powder 9kg, silver powder 1kg, cobalt salt 1kg are added in a stirring kettle, is warming up to 85 DEG C,
Revolving speed 800r/min stirs 40min, is mixing uniformly to form the first pre-composition, stop stirring and cooled to room temperature in case
With；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 3
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；5 parts of conductive metal powder；7 parts of organic silicon hand feeling agent；1.5 parts of levelling agent；Disappear
0.4 part of infusion；1.2 parts of starch；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg, copper powder 4.5kg, silver powder 0.5kg are added in a stirring kettle, is warming up to 85 DEG C, revolving speed
800r/min stirs 40min, is mixing uniformly to form the first pre-composition, stops stirring and cooled to room temperature with spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 4
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；7 parts of organic silicon hand feeling agent；1.5 parts of levelling agent；0.4 part of defoaming agent；Starch
1.2 part；0.2 part of anthocyanidin；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg is added in a stirring kettle and is warming up to 85 DEG C, revolving speed 800r/min, stir 40min, stir
The first pre-composition is formed after mixing uniformly, stops stirring and cooled to room temperature with spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 5
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；1.5 parts of levelling agent；0.4 part of defoaming agent；1.2 parts of starch；Anthocyanidin 0.2
Part；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(2) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg, anthocyanidin 0.2kg and delustering agent 4kg, room are put into
Under temperature, revolving speed 600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, be mixing uniformly to form end
The aqueous matte surface finishing agent of product.
Comparative example 6
A kind of aqueous matte surface finishing agent, the component including following mass fraction:
25 parts of aqueous polyurethane；65 parts of pure water；5 parts of conductive metal powder；0.5 part of cobalt salt；7 parts of organic silicon hand feeling agent；Levelling
1.5 parts of agent；0.4 part of defoaming agent；1.2 parts of starch；4 parts of delustering agent.
In the present embodiment, aqueous polyurethane is self-crosslinking aqueous polyurethane；
In the present embodiment, conductive metal powder includes copper powder and silver powder, copper powder: silver powder=9:1；
In the present embodiment, levelling agent is silicone levelling agent；
In the present embodiment, defoaming agent is organic silicon defoaming agent.
The preparation method of aqueous matte surface finishing agent, comprising the following steps:
(1) organic silicon hand feeling agent 7kg, copper powder 4.5kg, silver powder 0.5kg, cobalt salt 0.5kg are added in a stirring kettle, is warming up to
85 DEG C, revolving speed 800r/min, 40min is stirred, is mixing uniformly to form the first pre-composition, stops stirring and cooled to room temperature
With spare；
(2) pure water 65kg and aqueous polyurethane 25kg is added in another stirred tank, at room temperature, revolving speed 1000r/min,
30min is stirred, aqueous polyurethane solution is formed, all first pre-compositions being cooled to room temperature in step (1), room temperature is then added
Under, revolving speed 800r/min stirs 45min, is mixing uniformly to form the second pre-composition；
(3) levelling agent 1.5kg, defoaming agent 0.4kg, starch 1.2kg and delustering agent 4kg, at room temperature, revolving speed are put into
600r/min stirs 5min, then revs up to 1000r/min, stirs 45min, it is aqueous to be mixing uniformly to form final product
Matte surface finishing agent.
Experiment 1
According to GB/T22235-2008 " measurement of liquid viscosity ", each embodiment is detected using rotational viscometer and is compared
The viscosity (MPas) of the aqueous matte surface finishing agent of example.
Experiment 2
According to QJ2220.2-92 " film electrical insulation capability test method (insulation resistivity, surface resistivity, volume resistance
The test method of rate) " the aqueous matte surface finishing agent drying of each embodiment of detection and comparative example forms the volume resistance after film
Rate.
Experiment 3
It is each to invite 10 tests by the aqueous matte surface finishing agent film of each embodiment and comparative example in PVC artificial leather
Personnel's progress feel test, evaluation feel grade, 10 grades of highest, minimum 1 grade.
Experiment 4
The aqueous matte surface finishing agent for observing each embodiment and comparative example stands the precipitating feelings after 10h in liquid condition
Condition.
Experiment 5
After the aqueous matte surface finishing agent drying and forming-film for observing each embodiment and comparative example, conductive metal powder reunion situation.
Specifically, aqueous matte surface finishing agent is applied in PVC artificial leather, with a thickness of 1cm, film is scratched along straight line, is cut
Face length 10cm calculates the conductive metal powder agglomerated particle quantity that partial size is greater than 1mm, and each sample scratches three at random and arrives notch,
Calculate average value.
Each embodiment and the detection data of comparative example are shown in Table 1
Table 1
It can be obtained according to comparative example 6 in table 1 and the comparison of each embodiment, anthocyanidin, which is added, to be cooperated with starch, formed sediment by extending
Powder strand effectively improves the viscosity of the aqueous matte surface finishing agent of liquid.
It can be obtained according to table 1, conductive metal powder, which is added, can effectively reduce the volume electricity for the film that aqueous matte surface finishing agent is formed
Resistance rate, but when conductive metal powder additional amount is excessive or cobalt salt is insufficient, since conductive metal powder is difficult to be uniformly dispersed, by the group of generation
It is poly-, so that the volume resistivity for the film that aqueous matte surface finishing agent is formed depends on the least area of conductive metal powder content
Domain, therefore the body for reducing the film that aqueous matte surface finishing agent is formed will be made more than conductive metal powder is continued growing after a certain range
The effect of product resistivity is poor, while when cobalt salt additional amount deficiency, by the body for the film for forming aqueous matte surface finishing agent
Product resistivity rises.
It can be obtained according to table 1, by the way that conductive metal powder is added, organosilicon hand feeling agent can be cooperated to a certain extent, so that having
Machine silicon hand feeling agent forms micro lines, improves feel.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of aqueous matte surface finishing agent, it is characterized in that: including the component of following mass fraction:
25 parts of aqueous polyurethane；
55-65 parts of pure water；
3-5 parts of conductive metal powder；
0.3-0.5 parts of cobalt salt；
5-8 parts of organic silicon hand feeling agent.
2. aqueous matte surface finishing agent according to claim 1, it is characterized in that: further including the component of following mass fraction:
1-3 parts of levelling agent；
0.2-0.4 parts of defoaming agent；
1-1.5 parts of thickener；
3-5 parts of delustering agent.
3. aqueous matte surface finishing agent according to claim 2, it is characterized in that: the aqueous polyurethane is self-crosslinking aqueous poly-
Urethane.
4. aqueous matte surface finishing agent according to claim 3, it is characterized in that: the conductive metal powder includes copper powder, silver powder
One or both of.
5. aqueous matte surface finishing agent according to claim 4, it is characterized in that: the levelling agent is silicone levelling agent.
6. aqueous matte surface finishing agent according to claim 2, it is characterized in that: the defoaming agent is organic silicon defoaming agent.
7. aqueous matte surface finishing agent according to claim 2, it is characterized in that: the thickener is starch.
8. aqueous matte surface finishing agent according to claim 7, it is characterized in that: further including the component of following mass-dispersion:
0.1-0.3 parts of anthocyanidin.
9. the preparation method of any aqueous matte surface finishing agent of a kind of claim 2-8, it is characterized in that: including following step
It is rapid:
(1) conductive metal powder and cobalt salt are added in organic silicon hand feeling agent, stirs evenly to form the first pre-composition；
(2) aqueous polyurethane and the first pre-composition are added in pure water, stirs evenly to form the second pre-composition；
(3) levelling agent, defoaming agent, thickener and delustering agent are added in the second pre-composition, stirs evenly to form final product water
Property matte surface finishing agent.
10. preparation method according to claim 9, it is characterized in that: the step (1) 75 DEG C -85 DEG C at a temperature of into
Row stirring, the step (2) are stirred in room temperature, and the step (3) is stirred in room temperature.
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