CN111944305A - Sound insulation material for indoor decoration and preparation method thereof - Google Patents
Sound insulation material for indoor decoration and preparation method thereof Download PDFInfo
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- CN111944305A CN111944305A CN202010767829.XA CN202010767829A CN111944305A CN 111944305 A CN111944305 A CN 111944305A CN 202010767829 A CN202010767829 A CN 202010767829A CN 111944305 A CN111944305 A CN 111944305A
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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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
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- 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 invention discloses a sound insulation material for interior decoration and a preparation method thereof, wherein the sound insulation material comprises the following raw materials in parts by weight: 2-3 parts of plasticizer, 10-15 parts of sound insulation filler, 3-5 parts of flame retardant, 1-3 parts of dispersant and 1.5-3 parts of trimethylolpropane; the sound insulation filler is prepared in the process of preparing the sound insulation material, carbon fibers are treated by a sodium hydroxide solution and a hydrochloric acid solution, the surface area of the carbon fibers is increased, the surface roughness is improved, isobutyl triethoxysilane is hydrolyzed to react with the surface of the carbon fibers, so that a large number of active groups are arranged on the surface of the carbon fibers, the sound insulation filler is fully connected with polyurethane by the active groups of the sound insulation filler, the material damage caused by separation of the filler from a body after long-time use is prevented, in addition, the carbon fibers and silicon carbide are added, the sound insulation material can still not deform after long-time use, and the service life of the sound insulation material is prolonged.
Description
Technical Field
The invention belongs to the technical field of building material preparation, and particularly relates to a sound insulation material for indoor decoration and a preparation method thereof.
Background
Now, with the continuous acceleration of urbanization, noise pollution is becoming more and more serious. In order to effectively block noise, a common solution is to use a sound insulating material. The existing sound insulation materials are generally cement concrete, glass plates and the like.
The deformation can appear in current sound insulation material after using for a long time, and lead to syllable-dividing effect to descend, and partial sound insulation filler can be because of using for a long time and material body separation, and then lead to sound insulation material's syllable-dividing effect to lose.
Disclosure of Invention
The invention aims to provide a sound insulation material for interior decoration and a preparation method thereof.
The technical problems to be solved by the invention are as follows:
the deformation can appear in current sound insulation material after using for a long time, and lead to syllable-dividing effect to descend, and partial sound insulation filler can be because of using for a long time and material body separation, and then lead to sound insulation material's syllable-dividing effect to lose.
The purpose of the invention can be realized by the following technical scheme:
a sound insulation material for interior decoration comprises the following raw materials in parts by weight: 2-3 parts of plasticizer, 10-15 parts of sound insulation filler, 3-5 parts of flame retardant, 1-3 parts of dispersant and 1.5-3 parts of trimethylolpropane;
the sound insulation material is prepared by the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1-1.5h at the temperature of 100-120 ℃, adding toluene diisocyanate to react for 10-15min after cooling to the temperature of 65-70 ℃, and heating to react for 1.5-2h at the temperature of 80-85 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotation speed is 150-200r/min and the temperature is 60-65 ℃, and reacting for 2-3h under the condition that the temperature is 70-80 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and a plasticizer into a stirring kettle, stirring for 10-15min at the rotation speed of 200-300r/min and the temperature of 80-85 ℃, adding the sound insulation filler, the flame retardant and the dispersing agent, and continuously stirring for 30-40min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step S3 with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1-2h at the temperature of 80-85 ℃, heating to the temperature of 100-105 ℃, and preserving heat for 10-13h to obtain the sound insulation material.
Further, the mass ratio of the polypropylene glycol to the toluene diisocyanate in the step S1 is 1:1-1.5, the mass ratio of the polyurethane prepolymer emulsion to the n-butanol in the step S2 is 1:1, and the amount of the polyurethane emulsion in the step S3 is 45-50 times of the amount of the plasticizer.
Further, the plasticizer is one or a mixture of more of di (2-ethylhexyl) phthalate, dibutyl phthalate and diethyl phthalate in any proportion, the flame retardant is one of tris (2-chloroisopropyl) phosphate and trichloroethyl phosphate, and the dispersant is one or a mixture of more of triethylhexyl phosphoric acid, sodium dodecyl sulfate and methyl amyl alcohol in any proportion.
Further, the sound insulation filler is prepared by the following steps:
step A1: adding carbon fiber into sodium hydroxide solution, soaking for 50-60min, washing with deionized water for 3-5 times, each time for 2-3min, adding the washed carbon fiber into hydrochloric acid solution, soaking for 1.5-2h, washing with deionized water again to obtain treated carbon fiber, adding isobutyltriethoxysilane and deionized water into a reaction kettle, reacting for 10-15min under the conditions that the rotating speed is 200-300r/min and the temperature is 30-35 ℃, adding the treated carbon fiber, soaking for 30-40min, heating to 95-100 ℃, continuing to react for 1-1.5h, filtering to remove filtrate, and roasting the filter cake for 2-3h at 500-600 ℃ to obtain modified carbon fiber;
step A2: adding silicon carbide powder and toluene into a reaction kettle, stirring the mixture until the mixture is uniformly mixed under the condition that the rotating speed is 200-300r/min, introducing nitrogen for protection, adding isobutyl triethoxysilane, reacting for 1-1.2h at the temperature of 40-50 ℃, filtering, cleaning for 3-5 times by using acetone, cleaning for 5-8min each time, and drying to obtain modified silicon carbide;
step A3: adding polyvinyl chloride paste resin, polyacrylamide and epoxidized soybean oil into a stirring kettle, uniformly stirring, adding the modified carbon fiber prepared in the step A1 and the modified silicon carbide prepared in the step A2, stirring for 30-40min at the rotation speed of 300-400r/min and at the temperature of 120-130 ℃, drying at the temperature of 180-200 ℃, and cooling to room temperature to prepare the sound-insulating filler.
Further, the mass fraction of the sodium hydroxide solution in the step A1 is 5-8%, the mass fraction of the hydrochloric acid solution is 8-10%, and the mass ratio of the treated carbon fiber to the isobutyl triethoxysilane is 2:1, the mass ratio of the silicon carbide and the isobutyl triethoxysilane in the step A2 is 1.5-2:1, and the mass ratio of the polyvinyl chloride paste resin, the polyacrylamide, the epoxidized soybean oil, the modified carbon fiber and the modified silicon carbide in the step A3 is 20: 2: 5: 5: 0.5.
further, a preparation method of the sound insulation material for indoor decoration specifically comprises the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1-1.5h at the temperature of 100-120 ℃, adding toluene diisocyanate to react for 10-15min after cooling to the temperature of 65-70 ℃, and heating to react for 1.5-2h at the temperature of 80-85 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotation speed is 150-200r/min and the temperature is 60-65 ℃, and reacting for 2-3h under the condition that the temperature is 70-80 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and a plasticizer into a stirring kettle, stirring for 10-15min at the rotation speed of 200-300r/min and the temperature of 80-85 ℃, adding the sound insulation filler, the flame retardant and the dispersing agent, and continuously stirring for 30-40min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step S3 with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1-2h at the temperature of 80-85 ℃, heating to the temperature of 100-105 ℃, and preserving heat for 10-13h to obtain the sound insulation material.
The invention has the beneficial effects that: the invention takes polyurethane as a matrix in the process of preparing the sound insulation material for indoor decoration, the polyurethane has good sound insulation effect, and prepares a sound insulation filler in the process of preparing the sound insulation material, carbon fiber is treated by sodium hydroxide solution and hydrochloric acid solution, the surface area of the carbon fiber is increased, the surface roughness is improved, isobutyl triethoxy silane is used for hydrolysis and the surface action of the carbon fiber, so that the surface of the carbon fiber has a large amount of active groups, silicon carbide is treated, so that the surface of the silicon carbide also has a large amount of active groups, polyvinyl chloride is taken as the matrix to be blended with modified silicon carbide and modified carbon fiber, when polyvinyl chloride is mixed due to the existence of the active groups, stable chemical bonds are formed, the sound insulation filler is added into polyurethane emulsion for blending, and the active groups of the sound insulation filler ensure that the sound insulation filler is fully connected with the polyurethane, prevent that filler and body break away from and cause the material to damage after long-time the use, and the addition of carbon fiber and carborundum for sound insulation material still can not take place deformation after long-time the use, and then has increased sound insulation material's life.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A sound insulation material for interior decoration comprises the following raw materials in parts by weight: 2 parts of dibutyl phthalate, 10 parts of sound insulation filler, 3 parts of trichloroethyl phosphate, 1 part of lauryl sodium sulfate and 1.5 parts of trimethylolpropane;
the sound insulation material is prepared by the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1h at the temperature of 100 ℃, adding toluene diisocyanate to react for 10min when the temperature is reduced to 65 ℃, and heating to react for 1.5h at the temperature of 80 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotating speed is 150r/min and the temperature is 60 ℃, and reacting for 2 hours under the condition that the temperature is 70 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and dibutyl phthalate into a stirring kettle, stirring for 10min at the rotation speed of 200r/min and the temperature of 80 ℃, adding the sound insulation filler, trichloroethyl phosphate and sodium dodecyl sulfate, and continuing stirring for 30min to prepare a base solution;
step S4: and (4) mixing the base solution prepared in the step (S3) with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1h at the temperature of 80 ℃, heating to 100 ℃, and preserving heat for 10h to obtain the sound insulation material.
The sound insulation filler is prepared by the following steps:
step A1: adding carbon fibers into a sodium hydroxide solution, soaking for 50min, then washing for 3 times with deionized water, washing for 2min each time, adding the washed carbon fibers into a hydrochloric acid solution, soaking for 1.5h, then washing with deionized water again to obtain treated carbon fibers, adding isobutyltriethoxysilane and deionized water into a reaction kettle, reacting for 10min at the rotation speed of 200r/min and the temperature of 30 ℃, adding the treated carbon fibers, soaking for 30min, then heating to 95 ℃, continuing to react for 1h, filtering to remove filtrate, and roasting a filter cake for 2h at the temperature of 500 ℃ to obtain the modified carbon fibers;
step A2: adding silicon carbide powder and toluene into a reaction kettle, stirring the mixture until the mixture is uniformly mixed under the condition that the rotating speed is 200r/min, introducing nitrogen for protection, adding isobutyl triethoxysilane, reacting for 1h at the temperature of 40 ℃, filtering, washing for 3 times by using acetone, washing for 5min each time, and drying to obtain modified silicon carbide;
step A3: and (2) adding polyvinyl chloride paste resin, polyacrylamide and epoxidized soybean oil into a stirring kettle, uniformly stirring, adding the modified carbon fiber prepared in the step A1 and the modified silicon carbide prepared in the step A2, stirring for 30min at the rotation speed of 300r/min and the temperature of 120 ℃, drying at the temperature of 180 ℃, and cooling to room temperature to obtain the sound insulation filler.
Example 2
A sound insulation material for interior decoration comprises the following raw materials in parts by weight: 2.5 parts of dibutyl phthalate, 13 parts of sound insulation filler, 4 parts of trichloroethyl phosphate, 2 parts of lauryl sodium sulfate and 2 parts of trimethylolpropane;
the sound insulation material is prepared by the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1.3h at the temperature of 110 ℃, adding toluene diisocyanate to react for 13min when the temperature is reduced to 68 ℃, and heating to 83 ℃ to react for 1.8h to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotating speed is 180r/min and the temperature is 63 ℃, and reacting for 2.5 hours under the condition that the temperature is 75 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and dibutyl phthalate into a stirring kettle, stirring for 13min at the rotation speed of 250r/min and the temperature of 83 ℃, adding the sound insulation filler, trichloroethyl phosphate and sodium dodecyl sulfate, and continuing stirring for 35min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step (S3) with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1.5 hours at the temperature of 83 ℃, heating to the temperature of 103 ℃, and preserving heat for 12 hours to obtain the sound insulation material.
The sound insulation filler is prepared by the following steps:
step A1: adding carbon fibers into a sodium hydroxide solution, soaking for 55min, then washing for 4 times with deionized water, washing for 2.5min each time, adding the washed carbon fibers into a hydrochloric acid solution, soaking for 1.8h, then washing again with deionized water to obtain treated carbon fibers, adding isobutyltriethoxysilane and deionized water into a reaction kettle, reacting for 13min at the rotation speed of 250r/min and the temperature of 33 ℃, adding the treated carbon fibers, soaking for 35min, then heating to 98 ℃, continuing to react for 1.3h, filtering to remove filtrate, roasting the filter cake for 2.5h at the temperature of 550 ℃ to obtain modified carbon fibers;
step A2: adding silicon carbide powder and toluene into a reaction kettle, stirring the materials until the materials are uniformly mixed under the condition that the rotating speed is 250r/min, introducing nitrogen for protection, adding isobutyl triethoxysilane, reacting for 1.1h at the temperature of 45 ℃, filtering, washing the materials with acetone for 4 times, washing the materials for 6min each time, and drying the materials to obtain modified silicon carbide;
step A3: and (2) adding polyvinyl chloride paste resin, polyacrylamide and epoxidized soybean oil into a stirring kettle, uniformly stirring, adding the modified carbon fiber prepared in the step A1 and the modified silicon carbide prepared in the step A2, stirring for 35min at the rotation speed of 350r/min and the temperature of 125 ℃, drying at the temperature of 190 ℃, and cooling to room temperature to obtain the sound insulation filler.
Example 3
A sound insulation material for interior decoration comprises the following raw materials in parts by weight: 3 parts of dibutyl phthalate, 15 parts of sound insulation filler, 5 parts of trichloroethyl phosphate, 3 parts of lauryl sodium sulfate and 3 parts of trimethylolpropane;
the sound insulation material is prepared by the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1.5h at the temperature of 120 ℃, adding toluene diisocyanate to react for 15min when the temperature is reduced to 70 ℃, and heating to react for 2h at the temperature of 85 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotating speed is 200r/min and the temperature is 65 ℃, and reacting for 3 hours under the condition that the temperature is 80 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and dibutyl phthalate into a stirring kettle, stirring for 15min at the rotating speed of 300r/min and the temperature of 85 ℃, adding the sound insulation filler, trichloroethyl phosphate and sodium dodecyl sulfate, and continuing stirring for 40min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step (S3) with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 2 hours at the temperature of 85 ℃, heating to 105 ℃, and keeping the temperature for 13 hours to obtain the sound insulation material.
The sound insulation filler is prepared by the following steps:
step A1: adding carbon fibers into a sodium hydroxide solution, soaking for 60min, then washing for 5 times with deionized water, washing for 3min each time, adding the washed carbon fibers into a hydrochloric acid solution, soaking for 2h, then washing again with deionized water to obtain treated carbon fibers, adding isobutyltriethoxysilane and deionized water into a reaction kettle, reacting for 15min at the rotation speed of 300r/min and the temperature of 35 ℃, adding the treated carbon fibers, soaking for 40min, heating to 100 ℃, continuing to react for 1.5h, filtering to remove filtrate, and roasting a filter cake for 3h at the temperature of 600 ℃ to obtain modified carbon fibers;
step A2: adding silicon carbide powder and toluene into a reaction kettle, stirring the mixture until the mixture is uniformly mixed under the condition that the rotating speed is 300r/min, introducing nitrogen for protection, adding isobutyl triethoxysilane, reacting for 1.2h at the temperature of 50 ℃, filtering, washing for 5 times by using acetone, washing for 8min each time, and drying to obtain modified silicon carbide;
step A3: and (2) adding polyvinyl chloride paste resin, polyacrylamide and epoxidized soybean oil into a stirring kettle, uniformly stirring, adding the modified carbon fiber prepared in the step A1 and the modified silicon carbide prepared in the step A2, stirring for 40min at the rotation speed of 400r/min and the temperature of 130 ℃, drying at the temperature of 200 ℃, and cooling to room temperature to obtain the sound insulation filler.
Comparative example
This comparative example is a sound insulating material commonly available on the market.
The sound-insulating materials obtained in the above examples 1 to 3 and comparative example were subjected to the performance test, and the test results are shown in table 1 below;
TABLE 1
As can be seen from table 1 above, the sound-insulating materials obtained in examples 1 to 3 had an attraction coefficient of 0.7 to 0.8, while the sound-insulating materials obtained in comparative examples had an attraction coefficient of 0.3, and the sound-insulating materials obtained in examples 1 to 3 did not undergo deformation after half a year of use, while the sound-insulating materials obtained in comparative examples began to undergo deformation after half a year of use.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (6)
1. A sound insulating material for interior decoration, characterized in that: the feed comprises the following raw materials in parts by weight: 2-3 parts of plasticizer, 10-15 parts of sound insulation filler, 3-5 parts of flame retardant, 1-3 parts of dispersant and 1.5-3 parts of trimethylolpropane;
the sound insulation material is prepared by the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1-1.5h at the temperature of 100-120 ℃, adding toluene diisocyanate to react for 10-15min after cooling to the temperature of 65-70 ℃, and heating to react for 1.5-2h at the temperature of 80-85 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotation speed is 150-200r/min and the temperature is 60-65 ℃, and reacting for 2-3h under the condition that the temperature is 70-80 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and a plasticizer into a stirring kettle, stirring for 10-15min at the rotation speed of 200-300r/min and the temperature of 80-85 ℃, adding the sound insulation filler, the flame retardant and the dispersing agent, and continuously stirring for 30-40min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step S3 with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1-2h at the temperature of 80-85 ℃, heating to the temperature of 100-105 ℃, and preserving heat for 10-13h to obtain the sound insulation material.
2. An acoustic insulating material for interior decoration as defined in claim 1, wherein: the mass ratio of the polypropylene glycol to the toluene diisocyanate in the step S1 is 1:1-1.5, the mass ratio of the polyurethane prepolymer emulsion to the n-butanol in the step S2 is 1:1, and the amount of the polyurethane emulsion in the step S3 is 45-50 times of the amount of the plasticizer.
3. An acoustic insulating material for interior decoration as defined in claim 1, wherein: the plasticizer is one or more of di (2-ethylhexyl) phthalate, dibutyl phthalate and diethyl phthalate which are mixed in any proportion, the flame retardant is one of tri (2-chloroisopropyl) phosphate and trichloroethyl phosphate, and the dispersing agent is one or more of triethylhexyl phosphoric acid, sodium dodecyl sulfate and methyl amyl alcohol which are mixed in any proportion.
4. An acoustic insulating material for interior decoration as defined in claim 1, wherein: the sound insulation filler is prepared by the following steps:
step A1: adding carbon fiber into sodium hydroxide solution, soaking for 50-60min, washing with deionized water for 3-5 times, each time for 2-3min, adding the washed carbon fiber into hydrochloric acid solution, soaking for 1.5-2h, washing with deionized water again to obtain treated carbon fiber, adding isobutyltriethoxysilane and deionized water into a reaction kettle, reacting for 10-15min under the conditions that the rotating speed is 200-300r/min and the temperature is 30-35 ℃, adding the treated carbon fiber, soaking for 30-40min, heating to 95-100 ℃, continuing to react for 1-1.5h, filtering to remove filtrate, and roasting the filter cake for 2-3h at 500-600 ℃ to obtain modified carbon fiber;
step A2: adding silicon carbide powder and toluene into a reaction kettle, stirring the mixture until the mixture is uniformly mixed under the condition that the rotating speed is 200-300r/min, introducing nitrogen for protection, adding isobutyl triethoxysilane, reacting for 1-1.2h at the temperature of 40-50 ℃, filtering, cleaning for 3-5 times by using acetone, cleaning for 5-8min each time, and drying to obtain modified silicon carbide;
step A3: adding polyvinyl chloride paste resin, polyacrylamide and epoxidized soybean oil into a stirring kettle, uniformly stirring, adding the modified carbon fiber prepared in the step A1 and the modified silicon carbide prepared in the step A2, stirring for 30-40min at the rotation speed of 300-400r/min and at the temperature of 120-130 ℃, drying at the temperature of 180-200 ℃, and cooling to room temperature to prepare the sound-insulating filler.
5. An acoustic insulating material for interior decoration as defined in claim 4, wherein: the mass fraction of the sodium hydroxide solution in the step A1 is 5-8%, the mass fraction of the hydrochloric acid solution is 8-10%, and the mass ratio of the used carbon fiber and the isobutyl triethoxysilane after treatment is 2:1, the mass ratio of the silicon carbide and the isobutyl triethoxysilane in the step A2 is 1.5-2:1, and the mass ratio of the polyvinyl chloride paste resin, the polyacrylamide, the epoxidized soybean oil, the modified carbon fiber and the modified silicon carbide in the step A3 is 20: 2: 5: 5: 0.5.
6. a method of producing an acoustic insulating material for interior decoration according to claim 1, wherein: the method specifically comprises the following steps:
step S1: adding polypropylene glycol into a reaction kettle, dehydrating for 1-1.5h at the temperature of 100-120 ℃, adding toluene diisocyanate to react for 10-15min after cooling to the temperature of 65-70 ℃, and heating to react for 1.5-2h at the temperature of 80-85 ℃ to obtain polyurethane prepolymer emulsion;
step S2: adding the polyurethane prepolymer emulsion prepared in the step S1 into a reaction kettle, stirring and adding n-butyl alcohol under the conditions that the rotation speed is 150-200r/min and the temperature is 60-65 ℃, and reacting for 2-3h under the condition that the temperature is 70-80 ℃ to prepare polyurethane emulsion;
step S3: adding the polyurethane emulsion prepared in the step S2 and a plasticizer into a stirring kettle, stirring for 10-15min at the rotation speed of 200-300r/min and the temperature of 80-85 ℃, adding the sound insulation filler, the flame retardant and the dispersing agent, and continuously stirring for 30-40min to prepare a base solution;
step S4: and (3) mixing the base solution prepared in the step S3 with trimethylolpropane until the base solution and the trimethylolpropane are uniformly mixed to obtain a mixed solution, adding the mixed solution into a mold, curing for 1-2h at the temperature of 80-85 ℃, heating to the temperature of 100-105 ℃, and preserving heat for 10-13h to obtain the sound insulation material.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5670042A (en) * | 1979-11-12 | 1981-06-11 | Asahi Chem Ind Co Ltd | Composition for carbon fiber composite |
| CN1793211A (en) * | 2005-12-26 | 2006-06-28 | 丹阳市华东工程塑料有限公司 | Noice insulation dumping noise reducing sheet material with high modulus material for car and preparation process thereof |
| CN104817805A (en) * | 2015-04-16 | 2015-08-05 | 东莞市利鸿塑胶有限公司 | Thermoplastic elastomer material for industrial/medical caster |
| CN106747096A (en) * | 2016-12-19 | 2017-05-31 | 岳承华 | A kind of basalt fibre compounding polyvinyl chloride improves the resistance to compression water-permeable brick of sound-absorbing effect |
| CN107434845A (en) * | 2016-05-26 | 2017-12-05 | 全球能源互联网研究院 | A kind of polyurethane resin composition and preparation method thereof |
-
2020
- 2020-08-03 CN CN202010767829.XA patent/CN111944305A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5670042A (en) * | 1979-11-12 | 1981-06-11 | Asahi Chem Ind Co Ltd | Composition for carbon fiber composite |
| CN1793211A (en) * | 2005-12-26 | 2006-06-28 | 丹阳市华东工程塑料有限公司 | Noice insulation dumping noise reducing sheet material with high modulus material for car and preparation process thereof |
| CN104817805A (en) * | 2015-04-16 | 2015-08-05 | 东莞市利鸿塑胶有限公司 | Thermoplastic elastomer material for industrial/medical caster |
| CN107434845A (en) * | 2016-05-26 | 2017-12-05 | 全球能源互联网研究院 | A kind of polyurethane resin composition and preparation method thereof |
| CN106747096A (en) * | 2016-12-19 | 2017-05-31 | 岳承华 | A kind of basalt fibre compounding polyvinyl chloride improves the resistance to compression water-permeable brick of sound-absorbing effect |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国公安部消防局: "《中国消防手册.第十二卷.消防装备.消防产品》", 31 December 2007, 上海科学技术出版社 * |
| 张增志: "《中国战略性新兴产业.新材料.环境工程材料》", 30 November 2018, 中国铁道出版社 * |
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Application publication date: 20201117 |