CN110655366A - Sound insulation mortar and preparation method thereof - Google Patents
Sound insulation mortar and preparation method thereof Download PDFInfo
- Publication number
- CN110655366A CN110655366A CN201911054522.9A CN201911054522A CN110655366A CN 110655366 A CN110655366 A CN 110655366A CN 201911054522 A CN201911054522 A CN 201911054522A CN 110655366 A CN110655366 A CN 110655366A
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- CN
- China
- Prior art keywords
- parts
- cellulose ether
- aggregate
- sound insulation
- preparation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
Abstract
The invention provides sound insulation mortar and a preparation method thereof, and is characterized in that the sound insulation mortar comprises the following raw materials in parts by weight: portland cement or ordinary Portland cement, 400-mesh ash calcium with the fineness of 325-50 meshes, 40-70-mesh aggregate II, cork particles, rubber powder, cellulose ether, fibers, a water reducing agent and tap water, wherein the preparation method comprises the following steps: the cement, the ash calcium, the first aggregate, the second aggregate, the cork particles, the rubber powder, the cellulose ether, the fibers and the water reducing agent are sequentially added into a cone-shaped mixer or a forced concrete mixer to be mixed into dry powder, and the dry powder is added into the mixer and mixed on site, wherein the weight parts of the cement, the ash calcium, the first aggregate, the second aggregate, the cellulose ether, the fibers and the water reducing agent are 35 to 40 parts, 35 to 45 parts, 15 to 25 parts, 25 to 30 parts, 3 to 8 parts, 2 to 8 parts, 1 to 3 parts and 0.3 to 0.. The invention has convenient and fast construction, no formation of sound bridge, low comprehensive cost and improved sound insulation performance.
Description
Technical Field
The invention relates to wall mortar, in particular to sound insulation mortar and a preparation method thereof.
Background
The floor sound insulation divide into air sound insulation and impact sound insulation, to the commonly used 120mm cast in situ concrete floor, air sound insulation performance can reach the relevant standard of country, but impact sound insulation effect is relatively poor, generally speaking, impact sound pressure level is about 82dB, reach the minimum standard that is less than or equal to 75dB, more reach the high standard that is less than or equal to 65dB, to improving floor impact sound insulation performance, adopt the structure of building of floating now usually: namely, a layer of elastic cushion layer is paved on the concrete floor, and concrete with the thickness of about 40mm is poured on the cushion layer, although the technical scheme can improve the impact sound insulation of the floor, the following defects exist in the engineering: the cross operation is many during the construction, easily causes the destruction of elastic layer, forms the acoustic bridge, influences actual effect, and the concrete layer on the elastic cushion layer is very easy fracture, in little space or the many places of pipe fitting, is difficult to be under construction.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide sound insulation mortar and a preparation method thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the sound insulation mortar comprises the following raw materials in parts by weight: portland cement or ordinary Portland cement with compressive strength of more than 42.5MPa, ash calcium with fineness of 325-400 meshes, aggregate I with fineness of 20-50 meshes, aggregate II with fineness of 40-70 meshes, cork particles, rubber powder, cellulose ether, fiber, a water reducing agent and tap water, wherein the preparation method comprises the following steps: 35-40 parts of cement, 0-6 parts of ash calcium, 35-45 parts of 20-50 mesh aggregate I, 15-25 parts of 40-70 mesh aggregate II, 25-30 parts of cork particles, 3-8 parts of rubber powder, 2-8 parts of cellulose ether, 1-3 parts of fibers and 0.3-0.8 part of water reducing agent are sequentially added into a cone mixer or a forced concrete mixer to be mixed to prepare dry powder, and the dry powder is added with water and stirred on site for use.
As an improvement, the free water content of the ash calcium is not more than 2 percent, wherein the sum content of calcium oxide and magnesium oxide is not less than 80 percent.
As an improvement, the first aggregate is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the second aggregate is one or a combination of two of quartz sand, iron tailings, corundum and barite.
As an improvement, the rubber powder is re-dispersible latex powder.
As a refinement, the cellulose ether is any one or a combination of two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether, hydroxypropyl methyl cellulose ether.
As an improvement, the fiber is chopped glass fiber, chopped polyester fiber, chopped polypropylene fiber or wood fiber.
As an improvement, the water reducing agent is a naphthalenesulfonate, melamine or polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of not less than 20%.
The invention has the beneficial effects that: the invention has convenient and rapid construction, no sound bridge formation, low comprehensive cost, improved sound insulation performance, high requirement that the sound pressure level of impact sound reaches less than or equal to 65dB, and lower requirement on the quality and skill of constructors.
Detailed Description
The invention is illustrated below by means of specific examples, without being restricted thereto.
Example one
The sound insulation mortar is characterized by comprising the following raw materials in parts by weight:
35-36 parts of cement, 0-1.5 parts of gray calcium, 35-38 parts of 20-50-mesh first aggregate and 15-18 parts of 40-48-mesh second aggregate; 25-26 parts of cork particles, 3-4 parts of rubber powder, 2-3.5 parts of cellulose ether and 1-1.5 parts of fibers; 0.3-0.4 part of water reducing agent and water; 15-18% of the total amount of the dry powder.
Sequentially adding into a cone-shaped mixer or a forced concrete mixer, mixing to obtain dry powder, adding water on site, stirring, and spreading on the structural floor slab with a thickness of not less than 30 mm.
The free water content of the ash calcium is not more than 2 percent, wherein the sum of the calcium oxide and the magnesium oxide is not less than 80 percent.
The aggregate I is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the aggregate II is one or a combination of two of quartz sand, iron tailings, corundum and barite.
The rubber powder is redispersible latex powder.
The cellulose ether is any one or two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
The fiber is chopped glass fiber, chopped polyester fiber, chopped polypropylene fiber or wood fiber.
The water reducing agent is a naphthalenesulfonate, melamine and polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of not less than 20%.
Example two
The sound insulation mortar is characterized by comprising the following raw materials in parts by weight:
36-37 parts of cement, 1.5-3 parts of lime calcium, 38-41 parts of 20-50-mesh first aggregate and 18-21 parts of 40-70-mesh second aggregate; 26-27 parts of cork particles, 4-5 parts of rubber powder, 3.5-5 parts of cellulose ether and 1.5-2 parts of fibers; 0.4-0.5 part of water reducing agent and water; 15-18% of the total amount of the dry powder.
Sequentially adding into a cone-shaped mixer or a forced concrete mixer, mixing to obtain dry powder, adding water on site, stirring, and spreading on the structural floor slab with a thickness of not less than 30 mm.
The free water content of the ash calcium is not more than 2 percent, wherein the sum of the calcium oxide and the magnesium oxide is not less than 80 percent.
The aggregate I is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the aggregate II is one or a combination of two of quartz sand, iron tailings, corundum and barite.
The rubber powder is redispersible latex powder.
The cellulose ether is any one or two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
The fiber is chopped glass fiber, chopped polyester fiber, chopped polypropylene fiber or wood fiber.
The water reducing agent is a naphthalenesulfonate, melamine and polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of not less than 20%.
EXAMPLE III
The sound insulation mortar is characterized by comprising the following raw materials in parts by weight:
37-38 parts of cement, 3-4 parts of lime calcium, 41-43 parts of 20-50-mesh first aggregate and 21-23 parts of 40-70-mesh second aggregate; 27-28 parts of cork particles, 5-6.5 parts of rubber powder, 5-6 parts of cellulose ether and 2-2.5 parts of fibers; 0.5-0.6 part of water reducing agent and water; 15-18% of the total amount of the dry powder.
Sequentially adding into a cone-shaped mixer or a forced concrete mixer, mixing to obtain dry powder, adding water on site, stirring, and spreading on the structural floor slab with a thickness of not less than 30 mm.
The free water content of the ash calcium is not more than 2 percent, wherein the sum of the calcium oxide and the magnesium oxide is not less than 80 percent.
The aggregate I is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the aggregate II is one or a combination of two of quartz sand, iron tailings, corundum and barite.
The rubber powder is redispersible latex powder.
The cellulose ether is any one or two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
The fiber is chopped glass fiber, chopped polyester fiber, chopped polypropylene fiber or wood fiber.
The water reducing agent is a naphthalenesulfonate, melamine and polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of not less than 20%.
EXAMPLE III
The sound insulation mortar is characterized by comprising the following raw materials in parts by weight:
38-40 parts of cement, 4-6 parts of gray calcium, 43-45 parts of 20-50-mesh first aggregate and 23-25 parts of 40-70-mesh second aggregate; 28-30 parts of cork particles, 6.5-8 parts of rubber powder, 6-8 parts of cellulose ether and 2.5-3 parts of fibers; 0.6-0.8 part of water reducing agent and water; 15-18% of the total amount of the dry powder.
Sequentially adding into a cone-shaped mixer or a forced concrete mixer, mixing to obtain dry powder, adding water on site, stirring, and spreading on the structural floor slab with a thickness of not less than 30 mm.
The free water content of the ash calcium is not more than 2 percent, wherein the sum of the calcium oxide and the magnesium oxide is not less than 80 percent.
The aggregate I is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the aggregate II is one or a combination of two of quartz sand, iron tailings, corundum and barite.
The rubber powder is redispersible latex powder.
The cellulose ether is any one or two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
The fiber is chopped glass fiber, chopped polyester fiber, chopped polypropylene fiber or wood fiber.
The water reducing agent is a naphthalenesulfonate, melamine and polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of not less than 20%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The sound insulation mortar is characterized by comprising the following raw materials in parts by weight: portland cement or ordinary Portland cement with compressive strength of more than 42.5MPa, ash calcium with fineness of 325-400 meshes, aggregate I with fineness of 20-50 meshes, aggregate II with fineness of 40-70 meshes, cork particles, rubber powder, cellulose ether, fiber, a water reducing agent and tap water, wherein the preparation method comprises the following steps: 35-40 parts of cement, 0-6 parts of ash calcium, 35-45 parts of 20-50 mesh aggregate I, 15-25 parts of 40-70 mesh aggregate II, 25-30 parts of cork particles, 3-8 parts of rubber powder, 2-8 parts of cellulose ether, 1-3 parts of fibers and 0.3-0.8 part of water reducing agent are sequentially added into a cone mixer or a forced concrete mixer to be mixed to prepare dry powder, and the dry powder is added with water and stirred on site for use.
2. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the free water content of the ash calcium is not more than 2%, and the sum of the calcium oxide and the magnesium oxide is not less than 80%.
3. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the first aggregate is one or a combination of two of quartz sand, iron tailings, corundum and barite, and the second aggregate is one or a combination of two of quartz sand, iron tailings, corundum and barite.
4. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the rubber powder is re-dispersible latex powder.
5. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the cellulose ether is any one or two of methyl cellulose ether, hydroxyethyl methyl cellulose ether, carboxymethyl cellulose ether, ethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
6. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the fibers are chopped glass fibers, chopped polyester fibers, chopped polypropylene fibers or wood fibers.
7. The sound insulation mortar and the preparation method thereof according to claim 1, wherein the water reducing agent is naphthalenesulfonate, melamine and polycarboxylic acid high-efficiency water reducing agents with the water reducing rate of not less than 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054522.9A CN110655366A (en) | 2019-10-31 | 2019-10-31 | Sound insulation mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054522.9A CN110655366A (en) | 2019-10-31 | 2019-10-31 | Sound insulation mortar and preparation method thereof |
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| CN110655366A true CN110655366A (en) | 2020-01-07 |
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| CN201911054522.9A Pending CN110655366A (en) | 2019-10-31 | 2019-10-31 | Sound insulation mortar and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517723A (en) * | 2020-04-30 | 2020-08-11 | 深圳市越众绿色建筑科技发展有限公司 | Recycled aggregate sound insulation mortar and preparation method thereof |
| CN111978048A (en) * | 2020-09-04 | 2020-11-24 | 海南瑞宸新型建材有限公司 | Floor sound insulation mortar and preparation method thereof |
| CN114262197A (en) * | 2022-02-24 | 2022-04-01 | 科顺防水科技股份有限公司 | Sound insulation mortar, sound insulation layer and sound insulation floor |
| CN114873981A (en) * | 2022-02-11 | 2022-08-09 | 广西良本新材料科技有限公司 | Green environment-friendly sound insulation mortar and preparation process thereof |
| CN117088664A (en) * | 2023-10-18 | 2023-11-21 | 南京能娃新型材料科技有限公司 | Light heat-insulating sound-insulating mortar and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007176749A (en) * | 2005-12-28 | 2007-07-12 | Kictec Inc | Method of producing lightweight mortar board |
| EP2380861A2 (en) * | 2010-04-20 | 2011-10-26 | Sergej Terzian | Ready-mix mortar |
| CN103771794A (en) * | 2013-12-18 | 2014-05-07 | 曹崟 | Sound insulation mortar and preparation method thereof |
-
2019
- 2019-10-31 CN CN201911054522.9A patent/CN110655366A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007176749A (en) * | 2005-12-28 | 2007-07-12 | Kictec Inc | Method of producing lightweight mortar board |
| EP2380861A2 (en) * | 2010-04-20 | 2011-10-26 | Sergej Terzian | Ready-mix mortar |
| CN103771794A (en) * | 2013-12-18 | 2014-05-07 | 曹崟 | Sound insulation mortar and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517723A (en) * | 2020-04-30 | 2020-08-11 | 深圳市越众绿色建筑科技发展有限公司 | Recycled aggregate sound insulation mortar and preparation method thereof |
| CN111978048A (en) * | 2020-09-04 | 2020-11-24 | 海南瑞宸新型建材有限公司 | Floor sound insulation mortar and preparation method thereof |
| CN114873981A (en) * | 2022-02-11 | 2022-08-09 | 广西良本新材料科技有限公司 | Green environment-friendly sound insulation mortar and preparation process thereof |
| CN114262197A (en) * | 2022-02-24 | 2022-04-01 | 科顺防水科技股份有限公司 | Sound insulation mortar, sound insulation layer and sound insulation floor |
| CN114262197B (en) * | 2022-02-24 | 2022-05-27 | 科顺防水科技股份有限公司 | Sound insulation mortar, sound insulation layer and sound insulation floor |
| CN117088664A (en) * | 2023-10-18 | 2023-11-21 | 南京能娃新型材料科技有限公司 | Light heat-insulating sound-insulating mortar and preparation method thereof |
| CN117088664B (en) * | 2023-10-18 | 2024-01-30 | 南京能娃新型材料科技有限公司 | Light heat-insulating sound-insulating mortar and preparation method thereof |
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Application publication date: 20200107 |