CN103771794A - Sound insulation mortar and preparation method thereof - Google Patents
Sound insulation mortar and preparation method thereof Download PDFInfo
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- CN103771794A CN103771794A CN201310696284.8A CN201310696284A CN103771794A CN 103771794 A CN103771794 A CN 103771794A CN 201310696284 A CN201310696284 A CN 201310696284A CN 103771794 A CN103771794 A CN 103771794A
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Abstract
The invention discloses sound insulation mortar which is characterized by comprising the following raw materials in parts by weight: 30-35 parts of cement, 0-4 parts of ash calcium, 30-40 parts of aggregate 1, 10-20 parts of aggregate 2, 20-25 parts of waste rubber, 1-6 parts of rubber powder, 1-5 parts of cellulose ether, 0.5-2 parts of fiber, 0.15-0.6 part of water reducer and water, wherein the weight of the water accounts for 14-16% of the total weight of the dry powder. The invention also discloses a preparation method of the sound insulation mortar and a sound insulation floorslab prepared from the sound insulation mortar. The sound insulation mortar is convenient and rapid in construction, free of generating sound bridges, low in comprehensive cost and capable of improving sound insulation property and meeting the high requirement that the sound pressure level of impact sound is less than or equal to 65dB. The requirements for the qualities and skills of construction personnel are relatively low.
Description
Technical field
The present invention relates to body of wall mortar, more particularly, relate to a kind of sound insulation mortar and preparation method thereof.
Background technology
Floor sound insulation is divided into air-borne sound sound insulation and strike note sound insulation, for conventional 120mm cast-in-place concrete floor, air-borne sound sound insulation property is the relevant criterion that can reach national, but strike note defening effect is poor, generally speaking, strike note sound pressure level is in 82dB left and right, the minimum standard of do not reach≤75dB, the high standard of more do not reach≤65dB, for improving floor crashing sound insulation property, conventionally adopt to float now and build structure: on concrete floor, lay one deck elastic layer, on bed course, build the thick concrete in 40mm left and right, although this technical scheme can improve the strike note oise insulation factor of floor, but have the following disadvantages in engineering: when construction, cross-operation is many, easily cause the destruction of elastic layer, form overhead speaker, affect actual effect, concrete layer on elastic layer is easy to cracking, place in little space or more than pipe fitting, be difficult to construction.
summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of sound insulation mortar and preparation method thereof.
It is as described below that the present invention solves the technical scheme that its technical problem adopts: a kind of sound insulation mortar, it is characterized in that, and described sound insulation mortar comprises the raw material of following ratio of weight and number:
Cement 30-35 part; Ash calcium 0-4 part; Aggregate 1 30-40 part; Aggregate 2 10-20 parts;
Waste rubber 20-25 part; Rubber powder 1-6 part; Ether of cellulose 1-5 part; Fiber 0.5-2 part;
Water reducer 0.15-0.6 part; The 14-16% that states dry mash total amount waterborne.
As preferably, further, it is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
Cement 31-32 part; Ash calcium 1-1.5 part; Aggregate 1 32-33 part; Aggregate 2 11-12 parts;
Waste rubber 22-25 part; Rubber powder 3-3.2 part; Ether of cellulose 1-5 part; Fiber 1-1.1 part;
Water reducer 0.15-0.16 part; The 14-16% that states dry mash total amount waterborne.
Described cement is silicate cement or the ordinary Portland cement that ultimate compression strength is greater than 42.5MPa; The fineness of described grey calcium is 325-400 order, and its free water content is not more than 2%, and calcium oxide and magnesium oxide sum content are not less than 80%; Described aggregate 1 is any one or the two kinds of combinations in quartz sand, iron tailings, corundum, barite; Described aggregate 2 is any one or the two kinds of combinations in quartz sand, iron tailings, corundum, barite; Described waste rubber is not more than 500kg/m3 for tap density after reclaiming junked tire processing, and its particle diameter is not more than the rubber grain of 5mm or diameter, and to be not more than that 2mm length is no more than be 20mm rubber thread; Described rubber powder is redispersable latex powder, polyvinyl alcohol; Described ether of cellulose is any one or two kinds of combinations of methyl cellulose ether, hydroxyethylmethyl-cellulose ether, TYLOSE 30000, cellulose ether, hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether; Described fiber is short glass fiber, short trevira, short polypropylene fibre or the wood fibre cut cut; Described water reducer is that water-reducing rate is not less than 20% naphthalenesulfonate, melamine system, polycarboxylic acid series high efficiency water reducing agent; Described water is tap water.
Described aggregate 1 is 20 order-50 orders; Aggregate 2 is 40 order-70 orders.
A kind of preparation method of the mortar that insulates against sound, it is characterized in that, cement, the 0-4 part ash calcium, 30-40 part 20-50 order aggregate 1,10-20 part 40-70 order aggregate 2,20-25 part waste rubber, 1-6 part rubber powder, 1-5 part ether of cellulose, 0.5-2 part fiber, the 0.15-0.6 part water reducer that are 30-35 part by ratio of weight and number add successively in tapered stirrer or forced concrete mixer and are mixed and made into dry mash, add water at the scene and stir and can use.
A kind of acoustical insulation floor, is characterized in that, is equipped with and is not less than the sound insulation mortar as above that 30mm is thick on structure floor.
According to above-mentioned the present invention, its beneficial effect is: convenient and quick construction of the present invention, can not form overhead speaker, and comprehensive cost is low, improves sound insulation property, the high request of reach≤65dB of strike note sound pressure level.Quality to workmen and technical ability require lower.
Embodiment
Below in conjunction with embodiment, the present invention is further described:
Embodiment mono-
A kind of sound insulation mortar, is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
PO.42.5MPa ordinary Portland cement: 30 parts;
Ash calcium: 1 part;
20-50 object quartz sand: 32 parts;
40-70 object quartz sand: 11 parts;
Particle diameter is not more than the waste rubber grain of 5mm: 22 parts;
Polyvinyl alcohol rubber powder: 3 parts;
Hydroxypropyl methyl cellulose ether: 1.1 parts;
Staple length is 6mm polypropylene fibre: 1 part;
Naphthalenesulfonate analog high efficiency water reducing agent: 0.15 part;
Tap water: 15% of above-mentioned dry mash total amount.
Preparation method is as follows: take the cement of regulation umber, grey calcium, aggregate 1, aggregate 2, waste rubber grain, rubber powder, ether of cellulose fiber, water reducer by said ratio and be placed in successively at normal temperatures and pressures tapered stirrer or forced concrete mixer and stir 10 minutes, emit 100kg and rejoin stirrer, stir 10 minutes, upper and lower inspection by sampling, qualified rear discharging.
Embodiment bis-
A kind of sound insulation mortar, is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
PO42.5MPa ordinary Portland cement: 31 parts;
Ash calcium: 1 part;
20-50 object quartz sand: 32 parts;
40-70 object quartz sand: 11 parts;
Particle diameter is not more than 5mm waste rubber grain: 22 parts;
Polyvinyl alcohol rubber powder: 3 parts;
Methyl cellulose ether: 1.1 parts;
Staple length is 6mm polyene tacryl: 1 part;
Melamine is analog high efficiency water reducing agent: 0.3 part;
Tap water: 15% of above-mentioned dry mash total amount.
Preparation method is with embodiment mono-.
Embodiment tri-
A kind of sound insulation mortar, is characterized in that, the raw material of described ratio of weight and number is:
PO42.5MPa ordinary Portland cement: 32 parts;
Ash calcium: 1.5 parts;
20-50 object quartz sand: 33 parts;
40-70 object iron tailings sand: 12 parts;
Particle diameter is not more than 5mm waste rubber grain: 24 parts;
Polyvinyl alcohol rubber powder: 3 parts;
Methyl cellulose ether: 1.0 parts;
Staple length is 6mm polypropylene fibre: 1 part;
Naphthalenesulfonate analog high efficiency water reducing agent: 0.16 part;
Tap water: 15.5% of above-mentioned dry mash total amount.
Preparation method is with embodiment mono-.
Embodiment tetra-
A kind of sound insulation mortar, is characterized in that, the raw material of described ratio of weight and number is:
P II 42.5MPa silicate cement: 32 parts;
Ash calcium: 1.5 parts;
20-50 object corundum: 33 parts;
40-70 object iron tailings sand: 11 parts;
Fibre diameter is not more than 2mm waste rubber silk: 25 parts;
Polyvinyl alcohol rubber powder: 3.2 parts;
Methyl cellulose ether: 1 part;
Staple length is 6mm polypropylene fibre: 1 part;
Polycarboxylate water-reducer: 0.15 part;
Tap water: 14% of above-mentioned dry mash total amount.
Preparation method is with embodiment mono-.
Embodiment five
A kind of sound insulation mortar, is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
P II 42.5MPa silicate cement: 35 parts;
Ash calcium: 1 part;
20-50 object barite: 33 parts;
40-70 object quartz sand: 12 parts;
Particle is not more than the waste rubber grain of 5mm: 23 parts;
Polyvinyl alcohol rubber powder: 3.2 parts;
Hydroxypropyl methyl cellulose ether: 1.2 parts;
Staple length is the short trevira of cutting of 6mm: 1.1 parts;
Polycarboxylate water-reducer: 0.2 part;
Tap water: 13.5% of above-mentioned dry mash total amount.
The present invention's mortar that insulates against sound is the dry-mixed mortar of premixing, and ratio in accordance with regulations adds water and stirs at the scene.
The present invention's mortar sound insulation property that insulates against sound: strike note sound pressure level≤65dB
Other physical index: presetting period >90 minute
Time of coagulation≤8 hour
Ultimate compression strength >=5Mpa
Stretching bonding strength >=0.4Mpa
Coefficient of softening >0.7.
On structure floor, be equipped with and be not less than the sound insulation mortar as above that 30mm is thick and can obtain the good acoustical insulation floor of a kind of soundproof effect.
The foregoing description of the embodiment of the present invention, comprises the content of describing in summary, is not intended to exhaustively maybe invention is restricted in precise forms disclosed herein.Specific embodiment described herein and for example only for explanation, and, according to understanding and the understanding of being familiar with correlative technology field personnel, can in spirit and scope of the invention, carry out various equivalences and improve meeting, as pointed out, can, according to the foregoing description of the embodiment of the present invention, the present invention is made to this type of and improve, and these improvement will be contained within the spirit and scope of the present invention.
Claims (6)
1. a sound insulation mortar, is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
Cement 30-35 part; Ash calcium 0-4 part; Aggregate 1 30-40 part; Aggregate 2 10-20 parts;
Waste rubber 20-25 part; Rubber powder 1-6 part; Ether of cellulose 1-5 part; Fiber 0.5-2 part;
Water reducer 0.15-0.6 part; The 14-16% that states dry mash total amount waterborne.
2. a sound insulation mortar, is characterized in that, described sound insulation mortar comprises the raw material of following ratio of weight and number:
Cement 31-32 part; Ash calcium 1-1.5 part; Aggregate 1 32-33 part; Aggregate 2 11-12 parts;
Waste rubber 22-25 part; Rubber powder 3-3.2 part; Ether of cellulose 1-5 part; Fiber 1-1.1 part;
Water reducer 0.15-0.16 part; The 14-16% that states dry mash total amount waterborne.
3. a kind of sound insulation mortar according to claim 1 and 2, is characterized in that, described cement is silicate cement or the ordinary Portland cement that ultimate compression strength is greater than 42.5MPa; The fineness of described grey calcium is 325-400 order, and its free water content is not more than 2%, and calcium oxide and magnesium oxide sum content are not less than 80%; Described aggregate 1 is any one or the two kinds of combinations in quartz sand, iron tailings, corundum, barite; Described aggregate 2 is any one or the two kinds of combinations in quartz sand, iron tailings, corundum, barite; Described waste rubber is not more than 500kg/m3 for tap density after reclaiming junked tire processing, and its particle diameter is not more than the rubber grain of 5mm or diameter, and to be not more than that 2mm length is no more than be 20mm rubber thread; Described rubber powder is redispersable latex powder, polyvinyl alcohol; Described ether of cellulose is any one or two kinds of combinations of methyl cellulose ether, hydroxyethylmethyl-cellulose ether, TYLOSE 30000, cellulose ether, hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether; Described fiber is short glass fiber, short trevira, short polypropylene fibre or the wood fibre cut cut; Described water reducer is that water-reducing rate is not less than 20% naphthalenesulfonate, melamine system, polycarboxylic acid series high efficiency water reducing agent; Described water is tap water.
4. a kind of sound insulation mortar according to claim 1 and 2, is characterized in that, described aggregate 1 is 20 order-50 orders; Aggregate 2 is 40 order-70 orders.
5. the preparation method of the mortar that insulates against sound, it is characterized in that, cement, the 0-4 part ash calcium, 30-40 part 20-50 order aggregate 1,10-20 part 40-70 order aggregate 2,20-25 part waste rubber, 1-6 part rubber powder, 1-5 part ether of cellulose, 0.5-2 part fiber, the 0.15-0.6 part water reducer that are 30-35 part by ratio of weight and number add successively in tapered stirrer or forced concrete mixer and are mixed and made into dry mash, add water at the scene and stir and can use.
6. an acoustical insulation floor, is characterized in that, is equipped with and is not less than the sound insulation mortar described in claim 1-4 that 30mm is thick on structure floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310696284.8A CN103771794B (en) | 2013-12-18 | 2013-12-18 | A kind of sound insulation mortar and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310696284.8A CN103771794B (en) | 2013-12-18 | 2013-12-18 | A kind of sound insulation mortar and preparation method thereof |
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| CN103771794A true CN103771794A (en) | 2014-05-07 |
| CN103771794B CN103771794B (en) | 2016-03-09 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386988A (en) * | 2014-10-29 | 2015-03-04 | 尤明 | Waterproof mortar and preparation method thereof |
| CN106396529A (en) * | 2015-08-03 | 2017-02-15 | 厦门嘉达环保建造工程有限公司 | Damping sound-insulating spraying mortar |
| CN106966663A (en) * | 2017-04-19 | 2017-07-21 | 王海波 | A kind of vibration damping sound insulation mortar and preparation method thereof |
| CN108546020A (en) * | 2018-05-21 | 2018-09-18 | 珠海浩悦环保技术有限公司 | A kind of pugging and preparation method thereof |
| CN110357508A (en) * | 2019-08-01 | 2019-10-22 | 广东克洛科技建材股份有限公司 | A kind of sound insulation vibration damping fireproof mortar and preparation method thereof |
| CN110357561A (en) * | 2019-06-13 | 2019-10-22 | 滁州市银达门窗有限公司 | A kind of shock-absorption sound-insulation mortar and its production technology |
| CN110655366A (en) * | 2019-10-31 | 2020-01-07 | 深圳市升源建声科技有限公司 | Sound insulation mortar and preparation method thereof |
| CN110734258A (en) * | 2019-11-21 | 2020-01-31 | 中国十七冶集团有限公司 | floor heat-preservation sound-insulation mortar prepared by utilizing EVA waste material |
| CN112537933A (en) * | 2020-12-23 | 2021-03-23 | 深圳市亿东阳建材有限公司 | Sound insulation mortar and sound insulation floor slab structure system |
| 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 |
| CN116102296A (en) * | 2022-12-01 | 2023-05-12 | 河南嘉方实业有限公司 | Low-carbon sound-insulation floor mortar |
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| CN102249614A (en) * | 2011-05-23 | 2011-11-23 | 上海曹杨建筑粘合剂厂 | Light thermal insulation soundproof damping floor mortar |
| CN102701677A (en) * | 2012-06-13 | 2012-10-03 | 江苏建筑职业技术学院 | Energy saving soundproof mortar for house wall |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102249614A (en) * | 2011-05-23 | 2011-11-23 | 上海曹杨建筑粘合剂厂 | Light thermal insulation soundproof damping floor mortar |
| CN102701677A (en) * | 2012-06-13 | 2012-10-03 | 江苏建筑职业技术学院 | Energy saving soundproof mortar for house wall |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386988A (en) * | 2014-10-29 | 2015-03-04 | 尤明 | Waterproof mortar and preparation method thereof |
| CN106396529A (en) * | 2015-08-03 | 2017-02-15 | 厦门嘉达环保建造工程有限公司 | Damping sound-insulating spraying mortar |
| CN106966663A (en) * | 2017-04-19 | 2017-07-21 | 王海波 | A kind of vibration damping sound insulation mortar and preparation method thereof |
| CN108546020A (en) * | 2018-05-21 | 2018-09-18 | 珠海浩悦环保技术有限公司 | A kind of pugging and preparation method thereof |
| CN110357561A (en) * | 2019-06-13 | 2019-10-22 | 滁州市银达门窗有限公司 | A kind of shock-absorption sound-insulation mortar and its production technology |
| CN110357508B (en) * | 2019-08-01 | 2021-10-26 | 广东克洛科技建材股份有限公司 | Sound-insulation vibration-reduction fireproof mortar and preparation method thereof |
| CN110357508A (en) * | 2019-08-01 | 2019-10-22 | 广东克洛科技建材股份有限公司 | A kind of sound insulation vibration damping fireproof mortar and preparation method thereof |
| CN110655366A (en) * | 2019-10-31 | 2020-01-07 | 深圳市升源建声科技有限公司 | Sound insulation mortar and preparation method thereof |
| CN110734258A (en) * | 2019-11-21 | 2020-01-31 | 中国十七冶集团有限公司 | floor heat-preservation sound-insulation mortar prepared by utilizing EVA waste material |
| CN112537933A (en) * | 2020-12-23 | 2021-03-23 | 深圳市亿东阳建材有限公司 | Sound insulation mortar and sound insulation floor slab structure system |
| 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 |
| CN116102296A (en) * | 2022-12-01 | 2023-05-12 | 河南嘉方实业有限公司 | Low-carbon sound-insulation floor mortar |
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| CN103771794B (en) | 2016-03-09 |
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Effective date of registration: 20160104 Address after: 518000, A, building 1107, South East Square International Plaza, Shek ha ha North Third Street, Shenzhen, Guangdong, Futian District Applicant after: Shenzhen sheng Yuan Jian sound Science and Technology Ltd. Address before: 518000, Shenzhen, Guangdong, Futian District, Shek ha, North Third Street, Xiang Yun court, South Block, 1703A Applicant before: Cao Yin |
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Effective date of registration: 20200119 Address after: 530000 No.5, building 7, Binhu Road, Langdong 9th group, Qingxiu District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi liangben New Material Technology Co., Ltd Address before: 518000, A, building 1107, South East Square International Plaza, Shek ha ha North Third Street, Shenzhen, Guangdong, Futian District Patentee before: Shenzhen sheng Yuan Jian sound Science and Technology Ltd. |