CN108707378A - A kind of novel antibacterial heat insulating coatings and preparation method thereof - Google Patents
A kind of novel antibacterial heat insulating coatings and preparation method thereof Download PDFInfo
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- CN108707378A CN108707378A CN201810561530.1A CN201810561530A CN108707378A CN 108707378 A CN108707378 A CN 108707378A CN 201810561530 A CN201810561530 A CN 201810561530A CN 108707378 A CN108707378 A CN 108707378A
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/16—Antifouling paints; Underwater paints
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Abstract
The invention discloses a kind of novel antibacterial heat insulating coatings, include the raw material of following parts by weight：20~30 parts of acrylic emulsion, 15~25 parts of polyamide, 10~18 parts of epoxy resin, 15~30 parts of n-butanol, 3~7 parts of hollow glass micropearl, 2~5 parts of titanium dioxide, 6~9 parts of montmorillonite, 2~3 parts of nano-titanium dioxide, 2~4 parts of crack-resisting reinforcing agent, 1~2 part of antifoaming agent, 1~3 part of wetting dispersing agent.Novel antibacterial heat insulating coatings thermal coefficient of the present invention is low, heat insulation and preservation effect is good, and cracking resistance is good, and ageing-resistant performance is excellent, and performance is stablized, good flame resistance.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of novel antibacterial heat insulating coatings and its preparation side
Method.
Background technology
Coating, our usually described paint are only one such.Finger is coated on body surface under certain conditions
Film can be formed and a kind of liquid or solid of protection, decoration or other specific functions (insulation, antirust, mould proof, heat-resisting etc.)
Material.Because the coating of early stage is mostly using vegetable oil as primary raw material, therefore also referred to as paint.Present synthetic resin is instead of plant
Oil, therefore referred to as coating.
Coating belongs to organic chemical industry's macromolecular material, is formed by film and belongs to high-molecular compound type.According to the modern times
The classification of current chemical products, coating belong to fine chemical product.Modern coating is gradually becoming a kind of multi-functional
Engineering material, be an important industry in chemical industry.The effect of coating mainly has at 4 points：Protection, decoration, covers up product
Defect and other special roles, promote the value of product.
Heat insulating coatings are new function coating developed in recent years, use it for the surface of building and can reduce
Its internal temperature can also make the internal heat of building be not easy quickly to scatter and disappear, be applied in the exterior wall or roof of building and carry out one layer of guarantor
Thermo-paint can effectively control the variation of indoor and outdoor temperature, play the role of insulation.
Existing exterior coating, be mainly shown as heat insulating effect is bad, ageing resistance is poor, easy dusting, it is easy to change,
Poor adhesive force not only influences the appearance of building, but also influences the heat preservation and energy conservation effects of building, so causing people's weight
Depending on.So improving the comprehensive performance of building external paint, it is energy-efficient key especially to improve thermal and insulating performance.
Authorization Notice No. is that the patent of CN101914329B discloses a kind of nano multifunctional outer wall heat preservation coating, the coating
Mass percentage composition is：Nanometer aluminium silicate 10-20%, calcium silicate nanowire 5-15%, nano-calcium carbonate 10-20%, vinegar third
Lotion or styrene-acrylic emulsion 15-30%, water 20-40%, nanometer titanium dioxide 4-10%, coalescents 0.1-1%, antifoaming agent 0.1-
2%, wetting dispersing agent 0.1-0.5%, antifreezing agent 0.5-1%, levelling agent 0.1-2%.The thermal insulation coatings heat insulation effect is
Improve, but there are still crack resistance, ageing-resistant performance is bad the problems such as.
Invention content
The present invention provides a kind of novel antibacterial heat insulating coatings and preparation method thereof, solve asking in background technology
Topic, novel antibacterial heat insulating coatings thermal coefficient of the present invention is low, heat insulation and preservation effect is good, and cracking resistance is good, resistance to old
It is excellent to change performance, performance is stablized, good flame resistance.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of novel antibacterial heat insulating coatings, include the raw material of following parts by weight：20~30 parts of acrylic emulsion, polyamides
15~25 parts of polyimide resin, 10~18 parts of epoxy resin, 15~30 parts of n-butanol, 3~7 parts of hollow glass micropearl, titanium dioxide 2~5
Part, 6~9 parts of montmorillonite, 2~3 parts of nano-titanium dioxide, 2~4 parts of crack-resisting reinforcing agent, 1~2 part of antifoaming agent, wetting dispersing agent 1
~3 parts.
Preferably, the novel antibacterial heat insulating coatings, include the raw material of following parts by weight：Acrylic emulsion 22~
28 parts, 17~23 parts of polyamide, 14~16 parts of epoxy resin, 19~25 parts of n-butanol, 4~6 parts of hollow glass micropearl, titanium
3~4 parts of white powder, 7~8 parts of montmorillonite, 2.1~2.6 parts of nano-titanium dioxide, 2.4~3.2 parts of crack-resisting reinforcing agent, antifoaming agent 1.1
~1.8 parts, 1.5~2.6 parts of wetting dispersing agent.
Preferably, the novel antibacterial heat insulating coatings, include the raw material of following parts by weight：Acrylic emulsion 25
Part, 20 parts of polyamide, 15 parts of epoxy resin, 22 parts of n-butanol, 5 parts of hollow glass micropearl, 3.6 parts of titanium dioxide, montmorillonite
7.8 parts, 2.3 parts of nano-titanium dioxide, 2.9 parts of crack-resisting reinforcing agent, 1.7 parts of antifoaming agent, 2.1 parts of wetting dispersing agent.
Preferably, the crack-resisting reinforcing agent by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber compound and
Mass ratio at, polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber is 1:1:1:1, the length of the polypropylene fibre
Degree is 2~4mm, and the length of the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length be 2~6mm.
Preferably, the antifoaming agent is organic silicon defoamer.
Preferably, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 30~
50 minutes, obtain mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 40~50 DEG C, stirring 10
~20 minutes, n-butanol is then added, is stirred to material and is uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 15~20 minutes, then ultrasonic wave disperses 6~12 minutes to get the novel antibacterial heat insulating coatings.
Preferably, the mixing speed being stirred in the step (2) is 400r/min.
Preferably, the time of microwave treatment is 3~6 minutes in the step (3).
Preferably, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Compared with prior art, the present invention it has the advantages that：
Novel antibacterial heat insulating coatings thermal coefficient of the present invention is low, heat insulation and preservation effect is good, and cracking resistance is good,
Ageing-resistant performance is excellent, and performance is stablized, and good flame resistance is specific as follows：
(1) present invention is added other and helped using acrylic emulsion, polyamide, epoxy resin as primary raw material
Agent, epoxy resin have good physics, chemical property, it has excellent bonding strong on the surface of metal and nonmetallic materials
Degree, dielectric properties are good, and set shrinking percentage is small, and product size stability is good, and hardness is high, and flexibility is preferable, to alkali and major part
Solvent-stable and antisepsis；Polyamide has heat resistance, wear resistance, chemical resistance and self lubricity, and
Friction coefficient is low, there is certain anti-flammability, easy to process, is suitable for filler filling enhancing modified, improves performance and expands and applies model
It encloses, acrylic emulsion acts synergistically with polyamide, epoxy resin, may be implemented to effectively improve painting in coated substrate surface
Lian Zhengxing, water resistance and the stain resistance of layer paint film, it is with obvious effects to be better than common coating, moreover, utilizing the flexible of acrylic acid
Property, may be implemented variously-shaped material surface with roller coating, showering, spraying, blade coating, brushing, dip-coating construction；
(2) present invention is added to hollow glass micropearl, titanium dioxide, montmorillonite, hollow glass micropearl, montmorillonite in the feed
Its structure is porous structure, and there is good heat preservation and insulation to be evenly distributed on painting under the synergistic effect of other auxiliary agents
In material, to significantly reduced thermal coefficient, the heat-insulating property of product is improved；
(3) present invention is added to crack-resisting reinforcing agent in the feed, and the crack-resisting reinforcing agent is fine by polypropylene fibre, bamboo pulp
Dimension, polyester fiber and sisal fiber compound, and fiber different in size is evenly distributed in coating, the other components with coating
Synergistic effect, improves the cracking resistance of coating；
(4) present invention is added to nano-titanium dioxide in the feed, and the effect of nano-titanium dioxide shielding ultraviolet rays is strong, has good
Good dispersibility and weatherability, to improve the weatherability and ageing-resistant performance of coating, and in the work of light middle-ultraviolet lamp
With lower permanent sterilization, the sterilizing ability of coating is improved.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of novel antibacterial heat insulating coatings, includes the raw material of following parts by weight：Acrylic emulsion
20 parts, 15 parts of polyamide, 10 parts of epoxy resin, 15 parts of n-butanol, 3 parts of hollow glass micropearl, 2 parts of titanium dioxide, montmorillonite 6
Part, 2 parts of nano-titanium dioxide, 2 parts of crack-resisting reinforcing agent, 1 part of antifoaming agent, 1 part of wetting dispersing agent.
Wherein, the crack-resisting reinforcing agent is compounded by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber,
Polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber mass ratio be 1:1:1:1, the length of the polypropylene fibre
Length for 2~4mm, the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length is 2~6mm.
Wherein, the antifoaming agent is organic silicon defoamer.
Wherein, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 30 points
Clock obtains mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 40 DEG C, stir 10 points
Then n-butanol is added in clock, be stirred to material and be uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 15 minutes, then ultrasonic wave disperses 6 minutes to get the novel antibacterial heat insulating coatings.
Wherein, the mixing speed being stirred in the step (2) is 400r/min.
Wherein, the time of microwave treatment is 3 minutes in the step (3).
Wherein, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Embodiment 2
The present embodiment is related to a kind of novel antibacterial heat insulating coatings, includes the raw material of following parts by weight：Acrylic emulsion
30 parts, 25 parts of polyamide, 18 parts of epoxy resin, 30 parts of n-butanol, 7 parts of hollow glass micropearl, 5 parts of titanium dioxide, montmorillonite 9
Part, 3 parts of nano-titanium dioxide, 4 parts of crack-resisting reinforcing agent, 2 parts of antifoaming agent, 3 parts of wetting dispersing agent.
Wherein, the crack-resisting reinforcing agent is compounded by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber,
Polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber mass ratio be 1:1:1:1, the length of the polypropylene fibre
Length for 2~4mm, the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length is 2~6mm.
Wherein, the antifoaming agent is organic silicon defoamer.
Wherein, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 50 points
Clock obtains mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 50 DEG C, stir 20 points
Then n-butanol is added in clock, be stirred to material and be uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 20 minutes, then ultrasonic wave disperses 12 minutes to get the novel antibacterial heat insulating coatings.
Wherein, the mixing speed being stirred in the step (2) is 400r/min.
Wherein, the time of microwave treatment is 6 minutes in the step (3).
Wherein, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Embodiment 3
The present embodiment is related to a kind of novel antibacterial heat insulating coatings, includes the raw material of following parts by weight：Acrylic emulsion
22 parts, 17 parts of polyamide, 14 parts of epoxy resin, 19 parts of n-butanol, 4 parts of hollow glass micropearl, 3 parts of titanium dioxide, montmorillonite 7
Part, 2.1 parts of nano-titanium dioxide, 2.4 parts of crack-resisting reinforcing agent, 1.1 parts of antifoaming agent, 1.5 parts of wetting dispersing agent.
Wherein, the crack-resisting reinforcing agent is compounded by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber,
Polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber mass ratio be 1:1:1:1, the length of the polypropylene fibre
Length for 2~4mm, the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length is 2~6mm.
Wherein, the antifoaming agent is organic silicon defoamer.
Wherein, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 35 points
Clock obtains mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 42 DEG C, stir 13 points
Then n-butanol is added in clock, be stirred to material and be uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 16 minutes, then ultrasonic wave disperses 7 minutes to get the novel antibacterial heat insulating coatings.
Wherein, the mixing speed being stirred in the step (2) is 400r/min.
Wherein, the time of microwave treatment is 4 minutes in the step (3).
Wherein, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Embodiment 4
The present embodiment is related to a kind of novel antibacterial heat insulating coatings, includes the raw material of following parts by weight：Acrylic emulsion
28 parts, 23 parts of polyamide, 16 parts of epoxy resin, 25 parts of n-butanol, 6 parts of hollow glass micropearl, 4 parts of titanium dioxide, montmorillonite 8
Part, 2.6 parts of nano-titanium dioxide, 3.2 parts of crack-resisting reinforcing agent, 1.8 parts of antifoaming agent, 2.6 parts of wetting dispersing agent.
Wherein, the crack-resisting reinforcing agent is compounded by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber,
Polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber mass ratio be 1:1:1:1, the length of the polypropylene fibre
Length for 2~4mm, the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length is 2~6mm.
Wherein, the antifoaming agent is organic silicon defoamer.
Wherein, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 40 points
Clock obtains mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 45 DEG C, stir 15 points
Then n-butanol is added in clock, be stirred to material and be uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 18 minutes, then ultrasonic wave disperses 9 minutes to get the novel antibacterial heat insulating coatings.
Wherein, the mixing speed being stirred in the step (2) is 400r/min.
Wherein, the time of microwave treatment is 5 minutes in the step (3).
Wherein, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Embodiment 5
The present embodiment is related to a kind of novel antibacterial heat insulating coatings, includes the raw material of following parts by weight：Acrylic emulsion
25 parts, 20 parts of polyamide, 15 parts of epoxy resin, 22 parts of n-butanol, 5 parts of hollow glass micropearl, 3.6 parts of titanium dioxide, cover it is de-
7.8 parts of stone, 2.3 parts of nano-titanium dioxide, 2.9 parts of crack-resisting reinforcing agent, 1.7 parts of antifoaming agent, 2.1 parts of wetting dispersing agent.
Wherein, the crack-resisting reinforcing agent is compounded by polypropylene fibre, bamboo pulp fiber, polyester fiber and sisal fiber,
Polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal fiber mass ratio be 1:1:1:1, the length of the polypropylene fibre
Length for 2~4mm, the bamboo pulp fiber is 4~6mm, and the length of the polyester fiber is 3~6mm, the sisal fiber
Length is 2~6mm.
Wherein, the antifoaming agent is organic silicon defoamer.
Wherein, the wetting dispersing agent is the mixture of alkylsulfonate, sodium tripolyphosphate, mass ratio 3:1.
A method of the novel antibacterial heat insulating coatings are prepared, are included the following steps：
(1) by above-mentioned formula weigh acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl,
Titanium dioxide, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
(2) hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 45 points
Clock obtains mixture A；
(3) acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 48 DEG C, stir 19 points
Then n-butanol is added in clock, be stirred to material and be uniformly mixed, then microwave treatment, obtains mixture B；
(4) antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, first stirring is mixed
It closes 18 minutes, then ultrasonic wave disperses 11 minutes to get the novel antibacterial heat insulating coatings.
Wherein, the mixing speed being stirred in the step (2) is 400r/min.
Wherein, the time of microwave treatment is 4 minutes in the step (3).
Wherein, the frequency that ultrasonic wave disperses in the step (4) is 25kHz.
Comparative example
Authorization Notice No. is a kind of nano multifunctional outer wall heat preservation coating of the patent disclosure of CN101914329B.
The thermal insulation coatings in Examples 1 to 5, comparative example are tested for the property respectively according to same national standard, are surveyed
Test result such as following table：
From above table it can be seen that：
(1) the thermal coefficient mean value of novel antibacterial heat insulating coatings of the present invention is 0.0294w/ (mK), and
Comparative example, which is compared, reduces 16%；
(2) the compression strength mean value of novel antibacterial heat insulating coatings of the present invention is 135.26kPa and comparative example
Compared to improving 12.435%；
(3) the tensile strength mean value 122.74kPa and comparative example phase of novel antibacterial heat insulating coatings of the present invention
Than improving 11.887%；
(4) the mean bond stress 75.82kPa and comparative example phase of novel antibacterial heat insulating coatings of the present invention
Than improving 19.401%
(5) the cubical contraction mean value of novel antibacterial heat insulating coatings of the present invention is 4.09% and comparative example
Compared to reducing 35.489%.
From above-mentioned analysis it is found that novel antibacterial heat insulating coatings thermal coefficient of the present invention is low, heat-insulation and heat-preservation effect
Fruit is good, and cracking resistance is good, and ageing-resistant performance is excellent, and performance is stablized, and good flame resistance is specific as follows：
(1) present invention is added other and helped using acrylic emulsion, polyamide, epoxy resin as primary raw material
Agent, epoxy resin have good physics, chemical property, it has excellent bonding strong on the surface of metal and nonmetallic materials
Degree, dielectric properties are good, and set shrinking percentage is small, and product size stability is good, and hardness is high, and flexibility is preferable, to alkali and major part
Solvent-stable and antisepsis；Polyamide has heat resistance, wear resistance, chemical resistance and self lubricity, and
Friction coefficient is low, there is certain anti-flammability, easy to process, is suitable for filler filling enhancing modified, improves performance and expands and applies model
It encloses, acrylic emulsion acts synergistically with polyamide, epoxy resin, may be implemented to effectively improve painting in coated substrate surface
Lian Zhengxing, water resistance and the stain resistance of layer paint film, it is with obvious effects to be better than common coating, moreover, utilizing the flexible of acrylic acid
Property, may be implemented variously-shaped material surface with roller coating, showering, spraying, blade coating, brushing, dip-coating construction；
(2) present invention is added to hollow glass micropearl, titanium dioxide, montmorillonite, hollow glass micropearl, montmorillonite in the feed
Its structure is porous structure, and there is good heat preservation and insulation to be evenly distributed on painting under the synergistic effect of other auxiliary agents
In material, to significantly reduced thermal coefficient, the heat-insulating property of product is improved；
(3) present invention is added to crack-resisting reinforcing agent in the feed, and the crack-resisting reinforcing agent is fine by polypropylene fibre, bamboo pulp
Dimension, polyester fiber and sisal fiber compound, and fiber different in size is evenly distributed in coating, the other components with coating
Synergistic effect, improves the cracking resistance of coating；
(4) present invention is added to nano-titanium dioxide in the feed, and the effect of nano-titanium dioxide shielding ultraviolet rays is strong, has good
Good dispersibility and weatherability, to improve the weatherability and ageing-resistant performance of coating, and in the work of light middle-ultraviolet lamp
With lower permanent sterilization, the sterilizing ability of coating is improved.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of novel antibacterial heat insulating coatings, which is characterized in that include the raw material of following parts by weight：Acrylic emulsion 20~
30 parts, 15~25 parts of polyamide, 10~18 parts of epoxy resin, 15~30 parts of n-butanol, 3~7 parts of hollow glass micropearl, titanium
2~5 parts of white powder, 6~9 parts of montmorillonite, 2~3 parts of nano-titanium dioxide, 2~4 parts of crack-resisting reinforcing agent, 1~2 part of antifoaming agent, wetting
1~3 part of dispersant.
2. novel antibacterial heat insulating coatings according to claim 1, which is characterized in that include the original of following parts by weight
Material：It is 22~28 parts of acrylic emulsion, 17~23 parts of polyamide, 14~16 parts of epoxy resin, 19~25 parts of n-butanol, hollow
4~6 parts of glass microballoon, 3~4 parts of titanium dioxide, 7~8 parts of montmorillonite, 2.1~2.6 parts of nano-titanium dioxide, crack-resisting reinforcing agent 2.4
~3.2 parts, 1.1~1.8 parts of antifoaming agent, 1.5~2.6 parts of wetting dispersing agent.
3. novel antibacterial heat insulating coatings according to claim 1, which is characterized in that include the original of following parts by weight
Material：25 parts of acrylic emulsion, 20 parts of polyamide, 15 parts of epoxy resin, 22 parts of n-butanol, 5 parts of hollow glass micropearl, titanium white
3.6 parts of powder, 7.8 parts of montmorillonite, 2.3 parts of nano-titanium dioxide, 2.9 parts of crack-resisting reinforcing agent, 1.7 parts of antifoaming agent, wetting dispersing agent
2.1 part.
4. novel antibacterial heat insulating coatings according to claim 1, which is characterized in that the crack-resisting reinforcing agent is by poly- third
Alkene fiber, bamboo pulp fiber, polyester fiber and sisal fiber compound, polypropylene fibre, bamboo pulp fiber, acetate fiber and sisal hemp
The mass ratio of fiber is 1:1:1:1, the length of the polypropylene fibre is 2~4mm, the length of the bamboo pulp fiber is 4~
The length of 6mm, the polyester fiber are 3~6mm, and the length of the sisal fiber is 2~6mm.
5. novel antibacterial heat insulating coatings according to claim 1, which is characterized in that the antifoaming agent disappears for organosilicon
Infusion.
6. novel antibacterial heat insulating coatings according to claim 1, which is characterized in that the wetting dispersing agent is alkyl
The mixture of sulfonate, sodium tripolyphosphate, mass ratio 3:1.
7. a kind of method preparing any one of claim 1~6 novel antibacterial heat insulating coatings, which is characterized in that packet
Include following steps：
（1）Acrylic emulsion, polyamide, epoxy resin, n-butanol, hollow glass micropearl, titanium white are weighed by above-mentioned formula
Powder, montmorillonite, nano-titanium dioxide, crack-resisting reinforcing agent, antifoaming agent, wetting dispersing agent, it is spare；
（2）Hollow glass micropearl, titanium dioxide, montmorillonite, nano-titanium dioxide are placed in blender and are stirred 30~50 points
Clock obtains mixture A；
（3）Acrylic emulsion, polyamide, epoxy resin are placed in kneading machine, are heated to 40~50 DEG C, stirring 10~20
Minute, n-butanol is then added, is stirred to material and is uniformly mixed, then microwave treatment, obtains mixture B；
（4）Antifoaming agent, wetting dispersing agent, mixture A and crack-resisting reinforcing agent are sequentially added into mixture B, are first stirred 15
~20 minutes, then ultrasonic wave disperse 6~12 minutes to get the novel antibacterial heat insulating coatings.
8. preparation method according to claim 7, which is characterized in that the step（2）In the mixing speed that is stirred
For 400r/min.
9. preparation method according to claim 7, which is characterized in that the step（3）The time of middle microwave treatment be 3~
6 minutes.
10. preparation method according to claim 7, which is characterized in that the step（4）The frequency of middle ultrasonic wave dispersion is
25kHz。
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| CN201810561530.1A CN108707378A (en) | 2018-06-04 | 2018-06-04 | A kind of novel antibacterial heat insulating coatings and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196084A (en) * | 2021-12-31 | 2022-03-18 | 厦门富士特橡塑有限公司 | Nitrile rubber-chlorosulfonated polyethylene rubber and preparation method thereof |
| CN115651466A (en) * | 2022-11-15 | 2023-01-31 | 广东复特新型材料科技有限公司 | Anticorrosive anti-aging ecological sound-insulation coating |
| CN117264508A (en) * | 2023-10-24 | 2023-12-22 | 苏州鑫精合新材料科技有限公司 | Environment-friendly fireproof coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196084A (en) * | 2021-12-31 | 2022-03-18 | 厦门富士特橡塑有限公司 | Nitrile rubber-chlorosulfonated polyethylene rubber and preparation method thereof |
| CN114196084B (en) * | 2021-12-31 | 2023-10-10 | 厦门富士特橡塑有限公司 | Nitrile rubber-chlorosulfonated polyethylene rubber and preparation method thereof |
| CN115651466A (en) * | 2022-11-15 | 2023-01-31 | 广东复特新型材料科技有限公司 | Anticorrosive anti-aging ecological sound-insulation coating |
| CN117264508A (en) * | 2023-10-24 | 2023-12-22 | 苏州鑫精合新材料科技有限公司 | Environment-friendly fireproof coating and preparation method thereof |
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