CN112795225A - Architectural decoration coating with good sound insulation effect and preparation method thereof - Google Patents
Architectural decoration coating with good sound insulation effect and preparation method thereof Download PDFInfo
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention is suitable for the technical field of architectural decorative coatings, and provides an architectural decorative coating with good sound insulation effect, which comprises the following raw materials in parts by weight: 60-80 parts of water-based base material, 15-35 parts of nano mixed filler, 25-45 parts of modified sound insulation material, 1-5 parts of defoaming agent, 1-5 parts of thickening agent and 1-5 parts of dispersing agent. The invention also provides a preparation method of the architectural decorative coating with good sound insulation effect, the sound insulation material is modified, and air holes communicated with the outside are formed in the modified sound insulation material, so that sound can smoothly enter the modified sound insulation material through the air holes and collide and rub with the inner wall of the material, sound energy is converted into heat energy, and the sound insulation effect is improved; meanwhile, the nano mixed filler is doped, and the unique two-dimensional sheet structure characteristics of the nano particles are utilized, so that noise is continuously scattered, reflected and absorbed among the nano particles, the noise energy is effectively attenuated, and the sound insulation and noise reduction performance of the coating can be effectively improved.
Description
Technical Field
The invention relates to the technical field of architectural decorative coatings, in particular to an architectural decorative coating with good sound insulation effect and a preparation method thereof.
Background
With the development of society, the noise pollution of cities is more and more. Particularly, in commercial houses, due to the fact that the density of buildings is low, the floors are connected tightly, and small sound or vibration can be serious noise pollution. The noise pollution is easy to cause troubles and harm to the health and daily life of people, and is not beneficial to the physical and psychological health of people. The harm of noise pollution to the health and daily life of people is increasingly paid attention to, how to provide a quiet and comfortable living environment for people through building material sound insulation of buildings, and the position of the sound insulation function of the buildings in various building functions is gradually improved. In the construction of buildings, sound insulation of buildings is performed by using various sound insulation building materials including sound absorption paint, mineral wool boards and the like, so that a quiet and comfortable building environment is created.
And along with the development of coating trade, the sound insulation coating comes into production as soon as possible, and the main sound insulation raw materials in the present sound insulation coating are nanometer multilayer structure material, and the aqueous coating molecular material of cyclic annular presss from both sides in the centre, and whole intermediate lamella has distributed the microparticle that has the effect that gives sound insulation uniformly, through reducing the transmitted sound wave energy to play the effect of inhaling sound and sound insulation, this type of sound insulation coating has good sound absorption, can satisfy the demand of indoor acoustic celotex board.
However, the conventional soundproof paint generally has only a sound-absorbing and noise-preventing effect, and the noise-preventing effect between floors is poor, noise pollution is still generated, and the soundproof effect is still to be improved.
Disclosure of Invention
The embodiment of the invention provides an architectural decoration coating with good sound insulation effect, aiming at modifying a sound insulation material, forming air holes communicated with the outside in the modified sound insulation material, enabling sound to smoothly enter the modified sound insulation material through the air holes and collide and rub with the inner wall of the material, so that sound energy is converted into heat energy, and the sound insulation effect is improved; meanwhile, the nano mixed filler is doped, and the unique two-dimensional sheet structure characteristics of the nano particles are utilized, so that noise is continuously scattered, reflected and absorbed among the nano particles, the noise energy is effectively attenuated, and the sound insulation and noise reduction performance of the coating can be effectively improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the architectural decoration coating with good sound insulation effect comprises the following raw materials in parts by weight:
60-80 parts of water-based base material, 15-35 parts of nano mixed filler, 25-45 parts of modified sound insulation material, 1-5 parts of defoaming agent, 1-5 parts of thickening agent and 1-5 parts of dispersing agent.
Further, the defoaming agent is a silicone defoaming agent.
Further, the thickener is polyacrylate.
Further, the dispersant is sodium ammonium polycarboxylate.
Further, the nano mixed filler is prepared from nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of (2-3): (2-3): 1: (2-3) mixing.
Further, the preparation method of the modified sound insulation material comprises the following steps:
1) mixing a thermal decomposition type foaming agent and 95% alcohol according to the mass ratio of (1-10): 100, mixing to obtain a mixed solution;
2) placing the centrifugal glass wool in a container, performing vacuum desorption for 2h at the temperature of 60-80 ℃, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material;
3) and (3) uniformly mixing the mixed solution with the powder sound insulation material according to the mass ratio of 5 (1-3), drying in a vacuum drying oven, and then performing dealcoholization treatment to obtain the modified sound insulation material.
Further, the temperature in the vacuum drying oven in the step 3) is 40-45 ℃.
The invention also provides a preparation method of the architectural decorative coating with good sound insulation effect, which comprises the following steps:
1) mixing the modified sound insulation material with the defoaming agent, pouring the mixture into a stirrer, and stirring for 10-15min at the rotating speed of 800-;
2) pouring the mixture A and the nano mixed filler into the water-based base material, and stirring and mixing uniformly at the rotating speed of 200-300 r/min; adding a dispersing agent, and continuously stirring and uniformly mixing at the rotating speed of 400-500r/min to obtain a mixture B;
3) and heating the mixture B to 50-70 ℃, adding the thickening agent, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
The invention has the following beneficial effects:
according to the modified sound insulation material, the sound insulation material is modified, and the air holes communicated with the outside are formed in the modified sound insulation material, so that sound can smoothly enter the modified sound insulation material through the air holes and collide and rub with the inner wall of the material, sound energy is converted into heat energy, and the sound insulation effect is improved; meanwhile, the nano mixed filler is doped, and the unique two-dimensional sheet structure characteristics of the nano particles are utilized, so that noise is continuously scattered, reflected and absorbed among the nano particles, the noise energy is effectively attenuated, and the sound insulation and noise reduction performance of the coating can be effectively improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Through modifying the sound insulation material, air holes communicated with the outside are formed in the modified sound insulation material, so that sound can smoothly enter the modified sound insulation material through the air holes and collide and rub with the inner wall of the material, sound energy is converted into heat energy, and the sound insulation effect is improved;
the nano mixed filler is doped, and the unique two-dimensional sheet structure characteristics of the nano particles are utilized, so that noise is continuously scattered, reflected and absorbed among the nano particles, the noise energy is effectively attenuated, and the sound insulation and noise reduction performance of the coating can be effectively improved.
Specifically, the embodiment of the invention provides an architectural decorative coating with a good sound insulation effect, which comprises the following raw materials in parts by weight:
60-80 parts of water-based base material, 15-35 parts of nano mixed filler, 25-45 parts of modified sound insulation material, 1-5 parts of defoaming agent, 1-5 parts of thickening agent and 1-5 parts of dispersing agent.
In the embodiment of the invention, the defoaming agent is an organic silicon defoaming agent.
In the embodiment of the invention, the thickening agent is polyacrylate.
In the embodiment of the invention, the dispersant is sodium ammonium polycarboxylate.
In the embodiment of the invention, the nano mixed filler is prepared from nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of (2-3): (2-3): 1: (2-3) mixing.
In the embodiment of the invention, the preparation method of the modified sound insulation material comprises the following steps:
1) mixing a thermal decomposition type foaming agent and 95% alcohol according to the mass ratio of (1-10): 100, mixing to obtain a mixed solution;
2) placing the centrifugal glass wool in a container, performing vacuum desorption for 2h at the temperature of 60-80 ℃, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material;
3) and (3) uniformly mixing the mixed solution with the powder sound insulation material according to the mass ratio of 5 (1-3), drying in a vacuum drying oven, and then performing dealcoholization treatment to obtain the modified sound insulation material.
In the embodiment of the invention, the temperature in the vacuum drying oven in the step 3) is 40-45 ℃.
The embodiment of the invention also provides a preparation method of the architectural decorative coating with good sound insulation effect, which comprises the following steps:
1) mixing the modified sound insulation material with the defoaming agent, pouring the mixture into a stirrer, and stirring for 10-15min at the rotating speed of 800-;
2) pouring the mixture A and the nano mixed filler into the water-based base material, and stirring and mixing uniformly at the rotating speed of 200-300 r/min; adding a dispersing agent, and continuously stirring and uniformly mixing at the rotating speed of 400-500r/min to obtain a mixture B;
3) and heating the mixture B to 50-70 ℃, adding the thickening agent, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
The technical solution and the technical effect of the present invention will be further described by specific examples.
Example 1
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 2
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 30g of modified sound insulation material with 3g of organic silicon defoaming agent, pouring into a stirrer, and stirring at the rotating speed of 800r/min for 15min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 3
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 35g of modified sound insulation material with 3g of organic silicon defoaming agent, pouring into a stirrer, and stirring at the rotating speed of 800r/min for 15min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 4
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 40g of modified sound insulation material with 3g of organic silicon defoaming agent, pouring into a stirrer, and stirring at the rotating speed of 800r/min for 15min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 5
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 45g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 6
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 20g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 7
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 25g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 8
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; 30g of nano mixed filler is taken and poured into 60g of water-based base material together with the mixture A, and the mixture is stirred and mixed uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 9
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 35g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 10
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:2, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 11
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:3, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 12
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 70g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Example 13
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and the mixture A into 80g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Control group
Taking the common building decorative paint sold in the market.
The architectural decorative coatings of examples 1-13 and the control were applied to the same base material and tested for sound absorption coefficient according to the standard of GBJ88-1985 "Specifications for measuring sound absorption coefficient and sound impedance of standing wave tube method", the results of which are shown in Table 1 below:
TABLE 1
As can be seen from Table 1, the architectural decorative coating prepared by the invention has more excellent sound insulation performance compared with the common architectural decorative coating sold in the market, wherein the architectural decorative coating prepared by the embodiment 3 has the highest sound absorption coefficient and the best sound insulation effect; according to the embodiments 1-5, when the amount of the modified sound insulation material is 35g, the sound absorption coefficient of the prepared architectural decorative coating is highest, and the sound insulation effect is best; according to examples 1, 6, 7, 8 and 9, when the amount of the nano mixed filler is 25g, the prepared architectural decorative coating has the highest sound absorption coefficient and the best sound insulation effect; according to the embodiments 1, 10 and 11, when the proportion of the modified sound insulation material is 5:2, the sound absorption coefficient of the prepared architectural decorative coating is highest, and the sound insulation effect is best; according to examples 1, 12 and 13, when the amount of the aqueous binder is 70g, the architectural decorative coating produced has the highest sound absorption coefficient and the best sound insulation effect.
Further, based on the preparation steps of example 1, the modified sound insulation material and the nano mixed filler are subjected to a single-factor deficiency comparison experiment, and the experiment result shows that different factors are lacked, so that the sound insulation performance of the finally prepared architectural decorative coating is different to a certain extent, and the concrete results are shown in the following comparative examples.
Comparative example 1
Mixing nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of 3: 3: 1: 3, mixing to prepare nano mixed filler for later use; taking 15g of nano mixed filler, pouring the nano mixed filler and 3g of organic silicon defoamer into 60g of water-based base material together, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Comparative example 2
Mixing a thermal decomposition type foaming agent with 95% alcohol according to a mass ratio of 1: 100, mixing to obtain a mixed solution; placing the centrifugal glass wool in a container, desorbing and adsorbing for 2h at 60 ℃ in vacuum, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material; uniformly mixing the mixed solution and the powder sound insulation material according to the mass ratio of 5:1, drying the mixture in a vacuum drying oven at 40 ℃, and then performing dealcoholization treatment to obtain a modified sound insulation material; mixing 25g of the modified sound insulation material with 3g of the organic silicon defoaming agent, pouring the mixture into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a mixture A; pouring the mixture A into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
Comparative example 3
Pouring 3g of organic silicon defoamer into 60g of water-based base material, and stirring and mixing uniformly at the rotating speed of 300 r/min; adding 3g of sodium ammonium polycarboxylate, and continuously stirring and uniformly mixing at the rotating speed of 400r/min to obtain a mixture B; and heating the mixture B to 70 ℃, adding 3g of polyacrylate, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
The architectural decorative coatings of comparative examples 1 to 3 were applied to the same base material, and the sound absorption coefficient was measured according to the standard of GBJ88-1985 "Specification for measuring sound absorption coefficient and sound impedance ratio by standing wave tube method", and the results are shown in Table 2 below:
TABLE 2
As can be seen from Table 2, the architectural decorative coating prepared by the method has good sound insulation effect, and compared with the single use of the modified sound insulation material and the single use of the nano mixed filler, the sound absorption coefficient is greatly improved.
In general, the sound insulation material is modified, and the modified sound insulation material is internally provided with air holes communicated with the outside, so that sound can smoothly enter the modified sound insulation material through the air holes and collide and rub with the inner wall of the material, sound energy is converted into heat energy, and the sound insulation effect is improved; meanwhile, the nano mixed filler is doped, and the unique two-dimensional sheet structure characteristics of the nano particles are utilized, so that noise is continuously scattered, reflected and absorbed among the nano particles, the noise energy is effectively attenuated, and the sound insulation and noise reduction performance of the coating can be effectively improved.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The architectural decoration coating with good sound insulation effect is characterized by comprising the following raw materials in parts by weight:
60-80 parts of water-based base material, 15-35 parts of nano mixed filler, 25-45 parts of modified sound insulation material, 1-5 parts of defoaming agent, 1-5 parts of thickening agent and 1-5 parts of dispersing agent.
2. The architectural decorative coating with good sound insulation effect according to claim 1, which is characterized by comprising the following raw materials in parts by weight:
65-75 parts of water-based base material, 20-30 parts of nano mixed filler, 30-40 parts of modified sound insulation material, 2-4 parts of defoaming agent, 2-4 parts of thickening agent and 2-4 parts of dispersing agent.
3. The architectural decorative coating with good sound insulation effect according to claim 1, which is characterized by comprising the following raw materials in parts by weight:
70 parts of water-based base material, 25 parts of nano mixed filler, 35 parts of modified sound insulation material, 3 parts of defoaming agent, 3 parts of thickening agent and 3 parts of dispersing agent.
4. The architectural decorative coating with good sound insulation effect according to claim 1, wherein the defoaming agent is a silicone defoaming agent.
5. The architectural decorative coating with good sound insulation according to claim 1, wherein the thickener is polyacrylate.
6. The architectural decorative coating with a good sound insulation effect according to claim 1, wherein the dispersant is sodium ammonium polycarboxylate.
7. The architectural decorative coating with good sound insulation effect according to claim 1, wherein the nano mixed filler is prepared from nano titanium dioxide, nano silicon dioxide, nano chromium oxide and nano calcium carbonate according to the mass ratio of (2-3): (2-3): 1: (2-3) mixing.
8. The architectural decorative coating with good sound insulation effect according to claim 1, wherein the preparation method of the modified sound insulation material comprises the following steps:
1) mixing a thermal decomposition type foaming agent and 95% alcohol according to the mass ratio of (1-10): 100, mixing to obtain a mixed solution;
2) placing the centrifugal glass wool in a container, performing vacuum desorption for 2h at the temperature of 60-80 ℃, and then filling nitrogen and maintaining the pressure for 45min to obtain a powder sound insulation material;
3) and (3) uniformly mixing the mixed solution with the powder sound insulation material according to the mass ratio of 5 (1-3), drying in a vacuum drying oven, and then performing dealcoholization treatment to obtain the modified sound insulation material.
9. The architectural decorative coating with good sound insulation effect according to claim 8, wherein the vacuum drying oven in the step 3) has an internal temperature of 40-45 ℃.
10. The preparation method of the architectural decorative coating with good sound insulation effect according to any one of claims 1 to 9, which is characterized by comprising the following steps:
1) mixing the modified sound insulation material with the defoaming agent, pouring the mixture into a stirrer, and stirring for 10-15min at the rotating speed of 800-;
2) pouring the mixture A and the nano mixed filler into the water-based base material, and stirring and mixing uniformly at the rotating speed of 200-300 r/min; adding a dispersing agent, and continuously stirring and uniformly mixing at the rotating speed of 400-500r/min to obtain a mixture B;
3) and heating the mixture B to 50-70 ℃, adding the thickening agent, continuously stirring for 30min, and cooling to obtain the architectural decorative coating with good sound insulation effect.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116285530A (en) * | 2023-03-20 | 2023-06-23 | 深圳洛赛声学技术有限公司 | Sound insulation slurry and preparation method thereof |
| CN116731609A (en) * | 2023-07-25 | 2023-09-12 | 尚德环保科技有限公司 | Silicone rubber sound absorption coating and preparation method thereof |
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| CN108276858A (en) * | 2018-01-18 | 2018-07-13 | 河北晨阳工贸集团有限公司 | A kind of water-based sound-proof thermal insulation coatings and preparation method thereof and construction method |
| CN109370379A (en) * | 2018-10-19 | 2019-02-22 | 孙浩天 | A kind of coating suitable for sound insulation |
| CN110484133A (en) * | 2019-08-28 | 2019-11-22 | 金生龙 | One kind being applied to anti-aging sound-deadening paint of outdoor sound insulation plate and preparation method thereof |
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| CN108276858A (en) * | 2018-01-18 | 2018-07-13 | 河北晨阳工贸集团有限公司 | A kind of water-based sound-proof thermal insulation coatings and preparation method thereof and construction method |
| CN109370379A (en) * | 2018-10-19 | 2019-02-22 | 孙浩天 | A kind of coating suitable for sound insulation |
| CN110484133A (en) * | 2019-08-28 | 2019-11-22 | 金生龙 | One kind being applied to anti-aging sound-deadening paint of outdoor sound insulation plate and preparation method thereof |
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| CN116285530A (en) * | 2023-03-20 | 2023-06-23 | 深圳洛赛声学技术有限公司 | Sound insulation slurry and preparation method thereof |
| CN116731609A (en) * | 2023-07-25 | 2023-09-12 | 尚德环保科技有限公司 | Silicone rubber sound absorption coating and preparation method thereof |
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