阅读说明：本技术 一种吸音隔声砂浆及其制备方法 (Sound-absorbing and sound-insulating mortar and preparation method thereof ) 是由 陈浩 于 2021-08-18 设计创作，主要内容包括：本发明公开了一种吸音隔声砂浆及其制备方法,其技术方案是：吸音隔声砂浆由吸音隔声砂浆原料制成,以重量份数计,吸音隔声砂浆原料包括以下成分：水泥60份、石英砂45份、隔声填料18-30份、吸音填料21-32份、外加剂9-21份,隔声填料包括纤维素、丙烯酸酯和环氧树脂,纤维素、丙烯酸酯和环氧树脂以重量份数计,纤维素5-9份、丙烯酸酯6-10份、环氧树脂7-11份,吸音填料包括珍珠岩、玻璃微珠和聚苯颗粒,珍珠岩、玻璃微珠和聚苯颗粒以重量份数计,珍珠岩6-10份、玻璃微珠7-10份、聚苯颗粒8-12份,一种吸音隔声砂浆及其制备方法的有益效果是：使得砂浆在大幅吸收声音的同时阻隔一部分声音,提升了该砂浆的隔音效果,使得人们的居住环境显著提升。(The invention discloses sound-absorbing and sound-insulating mortar and a preparation method thereof, and the technical scheme is as follows: the sound-absorbing and sound-insulating mortar is prepared from the raw materials of the sound-absorbing and sound-insulating mortar, and comprises the following components in parts by weight: 60 parts of cement, 45 parts of quartz sand, 18-30 parts of sound insulation filler, 21-32 parts of sound absorption filler and 9-21 parts of additive, wherein the sound insulation filler comprises cellulose, acrylate and epoxy resin, the cellulose, the acrylate and the epoxy resin are counted in parts by weight, 5-9 parts of cellulose, 6-10 parts of acrylate and 7-11 parts of epoxy resin, the sound absorption filler comprises perlite, glass beads and polyphenyl particles, the perlite, the glass beads and the polyphenyl particles are counted in parts by weight, 6-10 parts of perlite, 7-10 parts of glass beads and 8-12 parts of polyphenyl particles, and the sound absorption and insulation mortar and the preparation method thereof have the beneficial effects that: the mortar can greatly absorb sound and simultaneously obstruct a part of sound, the sound insulation effect of the mortar is improved, and the living environment of people is obviously improved.)

1. The sound-absorbing and sound-insulating mortar is characterized in that: the sound-absorbing and sound-insulating mortar is prepared from the raw materials of the sound-absorbing and sound-insulating mortar in parts by weight, and the raw materials of the sound-absorbing and sound-insulating mortar comprise the following components:

60 parts of cement, 45 parts of quartz sand, 18-30 parts of sound insulation filler, 21-32 parts of sound absorption filler and 9-21 parts of additive.

2. The sound-absorbing and sound-insulating mortar according to claim 1, wherein: the sound insulation filler comprises, by weight, 5-9 parts of cellulose, 6-10 parts of acrylate and 7-11 parts of epoxy resin.

3. The sound-absorbing and sound-insulating mortar according to claim 1, wherein: the sound-absorbing filler comprises 6-10 parts of perlite, 7-10 parts of glass beads and 8-12 parts of polyphenyl particles by weight.

4. The sound-absorbing and sound-insulating mortar according to claim 1, wherein: the additive comprises 4-8 parts of tile glue and 10-13 parts of binder by weight.

5. The sound-absorbing and sound-insulating mortar according to claim 4, wherein: the tile glue is prepared from calcium formate, polyvinyl alcohol and styrene-butadiene rubber powder materials, and the binder is prepared from a polymer cementing material.

6. The preparation method of the sound-absorbing and sound-insulating mortar according to any one of claims 1 to 5, characterized by comprising the following steps:

s1: adding cellulose, acrylic ester and epoxy resin in specified weight parts into a stirring bin, stirring, heating and mixing, and fully heating and mixing to obtain a well-mixed sound insulation filler;

s2: adding perlite, glass beads and polyphenyl particles in specified weight parts into a stirring bin, stirring and mixing, and fully and uniformly mixing to obtain a well-mixed sound-absorbing filler;

s3: adding the ceramic tile glue and the binder in the specified weight parts into a stirring bin, stirring and mixing, and fully and uniformly mixing to obtain a well-mixed additive;

s4: and then adding the cement and the quartz sand into a stirring bin according to the specified weight part for stirring and mixing, simultaneously adding the well-mixed sound insulation filler, sound absorption filler and additive respectively, and uniformly mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive simultaneously.

7. The preparation method of the sound-absorbing and sound-insulating mortar according to claim 6, characterized by comprising the following steps: in the step S1, the heating temperature of the cellulose, the acrylic ester and the epoxy resin is 75-90 ℃, and the stirring and mixing time is 25-40 min.

8. The preparation method of the sound-absorbing and sound-insulating mortar according to claim 6, characterized by comprising the following steps: in the step S2, the time for stirring and mixing the perlite, the glass beads and the polyphenyl particles is 32-43 min.

9. The preparation method of the sound-absorbing and sound-insulating mortar according to claim 6, characterized by comprising the following steps: and the time for stirring and mixing the tile glue and the adhesive in the step S3 is 40-55 min.

10. The preparation method of the sound-absorbing and sound-insulating mortar according to claim 6, characterized by comprising the following steps: and in the step S4, the stirring and mixing time of the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive is 70-95 min.

Technical Field

The invention relates to the technical field of mortar, in particular to sound-absorbing and sound-insulating mortar and a preparation method thereof.

Background

The mortar is a bonding substance used for building bricks on a building and is formed by adding water into sand and a cementing material according to a certain proportion. Along with the improvement of living standard, people pay more and more attention to the sound insulation performance of buildings, so the requirements on the buildings are higher and higher, at present, the construction is often carried out by using sound insulation mortar in the building engineering, and the sound insulation mortar is prepared by cement, quartz sand, sound insulation filler and admixture according to the quantity and is an ideal sound insulation material for the buildings.

The prior art has the following defects: most of the existing sound insulation mortar only has a specific sound insulation function, but sound can be transmitted in the sound insulation process, the sound insulation effect is poor, and after construction, an ideal sound insulation effect cannot be achieved, so that the living environment of people is influenced.

Therefore, it is necessary to invent a sound-absorbing and sound-insulating mortar and a preparation method thereof to solve the above problems.

Disclosure of Invention

Therefore, the sound-absorbing and sound-insulating mortar and the preparation method thereof provided by the invention are used for obtaining the sound-insulating mortar by uniformly mixing cement, quartz sand, sound-insulating filler, sound-absorbing filler and additive at the same time, so as to solve the problems that the sound can be transmitted in the sound-insulating process of the existing sound-insulating mortar, the sound-insulating effect is poor, the ideal sound-insulating effect cannot be achieved after construction, and the living environment of people is influenced.

In order to achieve the above purpose, the invention provides the following technical scheme: the sound-absorbing and sound-insulating mortar is prepared from the following raw materials in parts by weight:

60 parts of cement, 45 parts of quartz sand, 18-30 parts of sound insulation filler, 21-32 parts of sound absorption filler and 9-21 parts of additive.

Preferably, the sound insulation filler comprises cellulose, acrylate and epoxy resin, wherein the cellulose, the acrylate and the epoxy resin comprise, by weight, 5-9 parts of cellulose, 6-10 parts of acrylate and 7-11 parts of epoxy resin.

Preferably, the sound-absorbing filler comprises 6-10 parts by weight of perlite, 7-10 parts by weight of glass beads and 8-12 parts by weight of polyphenyl particles.

Preferably, the admixture comprises 4-8 parts of tile glue and 10-13 parts of binder by weight.

Preferably, the tile glue is made of calcium formate, polyvinyl alcohol and styrene butadiene rubber powder materials, and the binder is made of a polymer cementing material.

A preparation method of sound-absorbing and sound-insulating mortar comprises the following steps:

s1: adding cellulose, acrylic ester and epoxy resin in specified weight parts into a stirring bin, stirring, heating and mixing, and fully heating and mixing to obtain a well-mixed sound insulation filler;

s2: adding perlite, glass beads and polyphenyl particles in specified weight parts into a stirring bin, stirring and mixing, and fully and uniformly mixing to obtain a well-mixed sound-absorbing filler;

s3: adding the ceramic tile glue and the binder in the specified weight parts into a stirring bin, stirring and mixing, and fully and uniformly mixing to obtain a well-mixed additive;

s4: and then adding the cement and the quartz sand into a stirring bin according to the specified weight part for stirring and mixing, simultaneously adding the well-mixed sound insulation filler, sound absorption filler and additive respectively, and uniformly mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive simultaneously.

Preferably, the heating temperature of the cellulose, the acrylate and the epoxy resin in the step S1 is 75-90 ℃, and the stirring and mixing time is 25-40 min.

Preferably, the time for mixing the perlite, the glass beads and the polyphenyl particles in the step S2 is 32-43 min.

Preferably, the time for stirring and mixing the tile glue and the adhesive in the step S3 is 40-55 min.

Preferably, the time for stirring and mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the admixture in the step S4 is 70-95 min.

The invention has the beneficial effects that:

1. the invention mixes the cellulose, the acrylic ester and the epoxy resin of the sound insulation filler by stirring and heating, respectively mixes the perlite, the glass bead and the polyphenyl particle of the sound insulation filler and the tile glue of the admixture by stirring and mixing, and then simultaneously and uniformly mixes the cement, the quartz sand, the sound insulation filler and the admixture to obtain the mortar, because the reflection of the perlite, the glass bead and the polyphenyl particle to the incident sound energy is very small, the sound energy can easily enter and penetrate the material, the cellulose, the acrylic ester and the epoxy resin weaken the transmission sound energy and block the transmission of the sound, the obtained mortar can greatly absorb the sound and simultaneously block a part of the sound, the sound insulation effect of the sound insulation mortar is improved, the problem that the sound can be transmitted in the sound insulation process of the existing sound insulation mortar is avoided, the sound insulation effect is not good, after construction, the ideal sound insulation effect can not be achieved, and the living environment of people is influenced.

2. According to the invention, the tile glue and the binder are mixed and stirred to prepare the additive, the additive is added into the mixture of the cement, the quartz sand, the sound-absorbing and sound-insulating filler, so that the sound-absorbing and sound-insulating mortar is fluffy, soft and strong in binding power, the falling ash is reduced, the cost is reduced, the fullness of the sound-absorbing and sound-insulating mortar is high, and the addition of the emulsion type surfactant enables a closed and non-communicated channel to be generated inside the mortar, so that the water permeation is blocked, the mortar has extremely strong seepage-proofing performance, and meanwhile, the addition of the high polymer enables the mortar to be minimized, and the crack resistance and durability of the mortar are favorably improved.

Detailed Description

The following description is presented in conjunction with the preferred embodiments of the present invention, and it is to be understood that the preferred embodiments described herein are presented only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.

Example 1:

the invention provides sound-absorbing and sound-insulating mortar and a preparation method thereof, wherein the sound-absorbing and sound-insulating mortar is prepared from the following raw materials in parts by weight:

60 parts of cement, 45 parts of quartz sand, 18 parts of sound insulation filler, 21 parts of sound absorption filler and 14 parts of additive.

Furthermore, the sound insulation filler comprises cellulose, acrylate and epoxy resin, wherein the cellulose, the acrylate and the epoxy resin comprise 5 parts by weight of cellulose, 6 parts by weight of acrylate and 7 parts by weight of epoxy resin, and the cellulose, the acrylate and the epoxy resin are mainly dense, have no pores and have a certain weight, can weaken the transmission sound energy of mortar, so as to block the transmission of sound and block the sound.

Furthermore, the sound-absorbing filler comprises 6 parts of perlite, 7 parts of glass microsphere and 8 parts of polyphenyl particle by weight, and the perlite, the glass microsphere and the polyphenyl particle have a large number of micropores which are mutually communicated from the surface to the inside, so that the reflection of incident sound energy is small, sound can easily enter and penetrate through the material, and the obtained mortar can greatly absorb the sound.

Further, the additive comprises tile glue and a binder, wherein the tile glue comprises 4 parts of tile glue and 10 parts of binder in parts by weight.

Furthermore, the tile glue is made of calcium formate, polyvinyl alcohol and styrene butadiene rubber powder materials, the binder is made of polymer cementing materials, and the tile glue and the binder are added in the mixing process of the mortar, so that the mortar yield is reduced to the minimum, and the crack resistance and durability of the mortar are improved.

A preparation method of sound-absorbing and sound-insulating mortar comprises the following steps:

s1: adding cellulose, acrylic ester and epoxy resin in specified parts by weight into a stirring bin, heating at 75 ℃, mixing and stirring for 25min, and fully heating and mixing to obtain a well-mixed sound insulation filler;

s2: adding perlite, glass beads and polyphenyl particles in specified weight parts into a stirring bin, stirring and mixing for 32min, and fully and uniformly mixing to obtain a well-mixed sound-absorbing filler;

s3: adding the ceramic tile glue and the binder in the specified weight parts into a stirring bin, stirring and mixing for 40min, and fully and uniformly mixing to obtain a well-mixed additive;

s4: and then adding cement and quartz sand in specified parts by weight into a stirring bin, stirring and mixing, simultaneously adding the mixed sound insulation filler, sound absorption filler and additive respectively, and simultaneously and uniformly mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive for 70min to obtain the sound absorption and sound insulation mortar.

Example 2:

the invention provides sound-absorbing and sound-insulating mortar and a preparation method thereof, wherein the sound-absorbing and sound-insulating mortar is prepared from the following raw materials in parts by weight:

60 parts of cement, 45 parts of quartz sand, 24 parts of sound insulation filler, 27 parts of sound absorption filler and 18 parts of additive.

Furthermore, the sound insulation filler comprises cellulose, acrylate and epoxy resin, wherein the cellulose, the acrylate and the epoxy resin comprise 7 parts by weight of the cellulose, 8 parts by weight of the acrylate and 9 parts by weight of the epoxy resin, and the cellulose, the acrylate and the epoxy resin are mainly dense, have no pores and have a certain weight, can weaken the transmission sound energy of the mortar, so as to block the transmission of sound and block the sound.

Furthermore, the sound-absorbing filler comprises 8 parts of perlite, 10 parts of glass beads and 9 parts of polyphenyl particles by weight, and the perlite, the glass beads and the polyphenyl particles have a large number of micropores which are mutually communicated from the surface to the inside, so that the reflection of incident sound energy is small, sound can easily enter and penetrate through the material, and the obtained mortar can greatly absorb the sound.

Further, the additive comprises tile glue and a binder, wherein the tile glue comprises 6 parts by weight of tile glue and 12 parts by weight of binder.

Furthermore, the tile glue is made of calcium formate, polyvinyl alcohol and styrene butadiene rubber powder materials, the binder is made of polymer cementing materials, and the tile glue and the binder are added in the mixing process of the mortar, so that the mortar yield is reduced to the minimum, and the crack resistance and durability of the mortar are improved.

A preparation method of sound-absorbing and sound-insulating mortar comprises the following steps:

s1: adding cellulose, acrylic ester and epoxy resin in specified parts by weight into a stirring bin, heating at 82 ℃, mixing and stirring for 33min, and fully heating and mixing to obtain a well-mixed sound insulation filler;

s2: adding perlite, glass beads and polyphenyl particles in specified weight parts into a stirring bin, stirring and mixing for 37min, and fully and uniformly mixing to obtain a well-mixed sound-absorbing filler;

s3: adding the ceramic tile glue and the binder in the specified weight parts into a stirring bin, stirring and mixing for 47min, and fully and uniformly mixing to obtain a well-mixed additive;

s4: and then adding cement and quartz sand in specified parts by weight into a stirring bin, stirring and mixing, simultaneously adding the mixed sound insulation filler, sound absorption filler and additive, and simultaneously and uniformly mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive for 82min to obtain the sound absorption and sound insulation mortar.

Example 3:

the invention provides sound-absorbing and sound-insulating mortar and a preparation method thereof, and the sound-absorbing and sound-insulating mortar is prepared from the following raw materials in parts by weight:

60 parts of cement, 45 parts of quartz sand, 30 parts of sound insulation filler, 33 parts of sound absorption filler and 21 parts of additive.

Furthermore, the sound insulation filler comprises cellulose, acrylate and epoxy resin, wherein the cellulose, the acrylate and the epoxy resin comprise, by weight, 10 parts of the cellulose, 9 parts of the acrylate and 11 parts of the epoxy resin, and the cellulose, the acrylate and the epoxy resin are mainly dense, have no pores and have a certain weight, so that the transmission sound energy of the mortar can be weakened, the transmission of sound can be blocked, and the sound can be blocked.

Furthermore, the sound-absorbing filler comprises perlite, glass beads and polyphenyl particles, wherein the perlite, the glass beads and the polyphenyl particles comprise 10 parts of perlite, 12 parts of glass beads and 10 parts of polyphenyl particles in parts by weight, and the perlite, the glass beads and the polyphenyl particles have a large number of micropores which are mutually communicated from the surface to the inside, so that the reflection of incident sound energy is small, sound can easily enter and penetrate through the material, and the obtained mortar can greatly absorb the sound.

Further, the additive comprises tile glue and a binder, wherein the tile glue comprises 8 parts of tile glue and 13 parts of binder in parts by weight.

Furthermore, the tile glue is made of calcium formate, polyvinyl alcohol and styrene butadiene rubber powder materials, the binder is made of polymer cementing materials, and the tile glue and the binder are added in the mixing process of the mortar, so that the mortar yield is reduced to the minimum, and the crack resistance and durability of the mortar are improved.

A preparation method of sound-absorbing and sound-insulating mortar comprises the following steps:

s1: adding cellulose, acrylic ester and epoxy resin in specified parts by weight into a stirring bin, heating at 90 ℃, mixing and stirring for 40min, and fully heating and mixing to obtain a well-mixed sound insulation filler;

s2: adding perlite, glass beads and polyphenyl particles in specified weight parts into a stirring bin, stirring and mixing for 43min, and fully and uniformly mixing to obtain a well-mixed sound-absorbing filler;

s3: adding the ceramic tile glue and the binder in the specified weight parts into a stirring bin, stirring and mixing for 55min, and fully and uniformly mixing to obtain a well-mixed additive;

s4: and then adding cement and quartz sand in specified parts by weight into a stirring bin, stirring and mixing, simultaneously adding the mixed sound insulation filler, sound absorption filler and additive, and simultaneously and uniformly mixing the cement, the quartz sand, the sound insulation filler, the sound absorption filler and the additive for 95min to obtain the sound absorption and sound insulation mortar.

From the above embodiments, it follows that:

the upper chart compares the weight parts of the components of cellulose, acrylate and epoxy resin of the sound-insulating filler, perlite, glass beads and polyphenyl particles of the sound-absorbing filler, and tile glue and adhesive of the admixture.

From the above 2 table comparisons it can be derived: when 60 parts of cement, 45 parts of quartz sand, 24 parts of sound-absorbing filler, 27 parts of sound-absorbing filler and 18 parts of additive, 7 parts of cellulose, 8 parts of acrylate and 9 parts of epoxy resin contained in the sound-absorbing filler, 8 parts of perlite, 10 parts of glass beads and 9 parts of polyphenyl particles contained in the sound-absorbing filler, 6 parts of tile glue and 12 parts of binder contained in the additive are used, the mixing and stirring time and temperature in the embodiment 2 are kept at the same time, and therefore the prepared sound-absorbing and sound-insulating mortar has the highest sound-insulating rate and the best sound-insulating effect.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.