CN102503321A - Cement base self-leveling for cushion layer - Google Patents

Cement base self-leveling for cushion layer Download PDF

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Publication number
CN102503321A
CN102503321A CN2011103322713A CN201110332271A CN102503321A CN 102503321 A CN102503321 A CN 102503321A CN 2011103322713 A CN2011103322713 A CN 2011103322713A CN 201110332271 A CN201110332271 A CN 201110332271A CN 102503321 A CN102503321 A CN 102503321A
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CN
China
Prior art keywords
cement
leveling
self
bed course
parts
Prior art date
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Pending
Application number
CN2011103322713A
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Chinese (zh)
Inventor
彭俊
熊卫锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Oriental Yuhong Waterproof Technology Co., Ltd.
Xuzhou Woniushan New Waterproof Material Co., Ltd.
Beijing Oriental Yuhong Waterproof Technology Co Ltd
Original Assignee
Beijing Oriental Yuhong Waterproof Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Oriental Yuhong Waterproof Technology Co Ltd filed Critical Beijing Oriental Yuhong Waterproof Technology Co Ltd
Priority to CN2011103322713A priority Critical patent/CN102503321A/en
Publication of CN102503321A publication Critical patent/CN102503321A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of building materials, particularly relates to a cement base self-leveling for a cushion layer, which is obtained by using cement as a main gelatinization material to be mixed with admixture such as superplasticizer and stabilizing agents, fine sands, fine packing and the like, by weight, 25-35 parts of cement, 5-10 parts of swelling agent, 45-55 parts of aggregate, 11-16 parts of fine materials, 0.2-0.3 part of plasticizing agent, 0.2-0.3 part of antifoaming agents, 0.05-0.2 part of stabilizing agent, 1.5-3 parts of emulsion powder, 0.4-0.9 part of retarder and 0.1-0.4 part of coagulation accelerator. The cement base self-leveling solves the problem that a large block of construction is cracked caused by poor after-contraction performance, and has the waterproof function.

Description

A kind of bed course is used cement-based self-leveling
Technical field:
The invention belongs to building material technical field, a kind of specifically bed course is used cement-based self-leveling.
Background technology:
At present, cement-based self-leveling ground mortar is meant that with cement be main gelling material, with the building ground alignment material that admixtures such as superplasticizer, stablizer and fine sand, flour filler etc. mix, is a kind of of dry-mixed mortar.
Since the eighties in 20th century, developed countries such as the U.S., France, Germany, Italy, Sweden, Finland, research and development have been produced ground and have been used gravity flowing levelling mortar in succession, and have obtained being widely used.Product category comprises cement based, gypsum base, magnesite base, asphaltic base and 5 kinds of earth materials such as synthetic resin based, but produce, still cement-based self-leveling mortar that use face is wider.
In China, ground self-leveling mortar is a kind of new terrestrial material, is particularly useful for industrial premises and layer is leveled up on ground, house decoration room.The construction thickness of auto-flowing floor mortar is generally 3-10mm, can be according to the thickness of requirement of client adjustment gravity flow flat bed.This material have good leveling property, early strength high, characteristics such as be easy to lay, speed of application is fast, the duration is short, be a kind of have carry and decorate dual-use function, and the building material product had an optimistic view of of development prospect.
Yet existing cement-based self-leveling mortar also has some shortcomings:
1) follow owing to substrate surface is inconsistent in levelling that crackle might appear in the reason of drying shrinkage behind the hydrated cementitious, chap, come off, the phenomenon of hollowing.
2) when cement-based self-leveling does not possess water-proof function, after suffering water erosion and influence of temperature variation, the disease that also occurs ardent, seepage, hollowing easily and come off from levelling.
Summary of the invention:
The present invention does not solve because the later stage shrinkage is good and causes bulk construction rimose problem, and has water-proof function.
The present invention provides a kind of cement based bed course from levelling, and the weight percent of each material component is following:
Cement 25%~35%
Aggregate 45%~55%
Fines 11%~16%
Superplasticizer 0.2%~0.3%
Skimmer 0.2%~0.3%
Stablizer 0.05%~0.2%
Latex powder 1.5%~3%
Retardant 0.4%~0.9%
Setting accelerator 0.1%~0.4%
Said cement is common 42.5 silicate cements and high-alumina cement synthetic complex cement, and the two weight ratio is 100: 10~30.
Said aggregate is particle diameter 40~70 orders and 70~140 purposes washing river sand, and weight ratio 100~50: 50~100 is composite.
Said fines is that anhydrite follows water-ground limestone composite, and the two weight ratio is 100: 300~450.
Said superplasticizer is a modified polycarboxylic acid ether.
Said skimmer is the mixture of liquid hydrocarbon, polyoxyethylene glycol and amorphism silicon.
Said latex powder is the ethylene copolymer rubber powder.
Said retardant is a Trisodium Citrate.
Said setting accelerator is a Quilonum Retard.
Said stablizer is the non-association type high-molecular copolymer of synthetic.
Embodiment:
High-alumina cement manufacturer: Kai Nuosi (China) aluminate technology ltd
Modified polycarboxylic acid ethers superplasticizer manufacturer: BASF China's model: 5235
Non-association type high-molecular copolymer stablizer manufacturer: BASF China's model: 4001
Ethylene copolymer latex powder manufacturer: Wacker Chemie GmbH's model: 5010
Embodiment 1:
Normal silicate 42.5 cement 20%
High-alumina cement 5%
Washing river sand 55%
Anhydrite 4%
Water-ground limestone 12%
Modified polycarboxylic acid ethers superplasticizer 0.2%
Skimmer 0.2%
Non-association type high-molecular copolymer stablizer 0.05%
Ethylene copolymer latex powder 1.5%
Retardant Trisodium Citrate 0.4%
Setting accelerator Quilonum Retard 0.1%
Embodiment 2:
Normal silicate 42.5 cement 28%
High-alumina cement 7%
Washing river sand 45%
Anhydrite 2%
Water-ground limestone 9%
Modified polycarboxylic acid ethers superplasticizer 0.2%
Skimmer 0.2%
Non-association type high-molecular copolymer stablizer 0.05%
Ethylene copolymer latex powder 3%
Retardant Trisodium Citrate 0.4%
Setting accelerator Quilonum Retard 0.1%
The preparation method of above-mentioned cement-based self-leveling bedding mortar adopts direct mixing method, above-mentioned material is calculated in proportion weigh earlier, in the dry-mixed mortar mixer, mixes then and can pack, thereby obtain required from levelling.
During application, add entry earlier, add the gravity flowing levelling mortar of preparation then; Stir through electric blender,, stirred 4 to 6 minutes for the first time half point twice; Place together and stir once more after two minutes; Time is 2 to 3 minutes, gets final product after making the abundant slaking of mortar, and mortar is 1: 0.21 with the ratio of water.
Detect through after the above-mentioned steps it being carried out each item quality and technical index according to JC/T985-2005 " cement-based self-leveling mortar is used on ground ", data are following:
More than each index all qualified.

Claims (10)

1. a cement based bed course is from levelling, and the weight percent of each material component is following:
Cement 25%~35%
Aggregate 45%~55%
Fines 11%~16%
Superplasticizer 0.2%~0.3%
Skimmer 0.2%~0.3%
Stablizer 0.05%~0.2%
Latex powder 1.5%~3%
Retardant 0.4%~0.9%
Setting accelerator 0.1%~0.4%.
2. bed course according to claim 1 is used cement-based self-leveling, it is characterized in that said cement is ordinary Portland cement and high-alumina cement synthetic complex cement, and the two weight ratio is 100: 10~30.
3. bed course according to claim 1 is used cement-based self-leveling, it is characterized in that said be particle diameter 40~70 orders and 70~140 purposes washing river sand, and weight ratio 100~50: 50~100 is composite.
4. bed course according to claim 1 is used cement-based self-leveling, it is characterized in that said material is that anhydrite follows water-ground limestone composite, and the two weight ratio is 100: 300~450.
5. bed course according to claim 1 is used cement-based self-leveling, it is characterized in that said superplasticizer is a modified polycarboxylic acid ether.
6. the cement-based self-leveling of using according to claim 1 is characterized in that said skimmer is the mixture of liquid hydrocarbon, polyoxyethylene glycol and amorphism silicon.
7. the cement-based self-leveling of using according to claim 1 is characterized in that said latex powder is the ethylene copolymer rubber powder.
8. the cement-based self-leveling of using according to claim 1 is characterized in that said retardant is a Trisodium Citrate.
9. the cement-based self-leveling of using according to claim 1 is characterized in that said setting accelerator is a Quilonum Retard.
10. the cement-based self-leveling of using according to claim 1 is characterized in that said stablizer is the non-association type high-molecular copolymer of synthetic.
CN2011103322713A 2011-10-27 2011-10-27 Cement base self-leveling for cushion layer Pending CN102503321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103322713A CN102503321A (en) 2011-10-27 2011-10-27 Cement base self-leveling for cushion layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103322713A CN102503321A (en) 2011-10-27 2011-10-27 Cement base self-leveling for cushion layer

Publications (1)

Publication Number Publication Date
CN102503321A true CN102503321A (en) 2012-06-20

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN102503321A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103342530A (en) * 2013-06-25 2013-10-09 江苏蓝圈新材料有限公司 Cement-based self-leveling mortar
CN103482931A (en) * 2013-09-12 2014-01-01 德高(广州)建材有限公司 High-fluidity mosaic binder for improving spreading rate
CN103601453A (en) * 2013-10-31 2014-02-26 德高(广州)建材有限公司 Multifunctional concentrated material used for preparing kitchen and bath cement-based waterproof material
CN104402334A (en) * 2014-11-11 2015-03-11 李开成 Flame-retardant cement-based cushion self-leveling
CN106630873A (en) * 2016-12-21 2017-05-10 卡本复合材料(天津)有限公司 Wet process spraying polymer mortar
CN109678416A (en) * 2018-11-24 2019-04-26 北京金中洲建筑材料有限公司 A kind of environment protection type multifunctional block smears bedding mortar and preparation method thereof
CN110256029A (en) * 2019-06-26 2019-09-20 东莞蓝贯新材料有限公司 The super flexible self-leveling cement of bicomponent cement base

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786850A (en) * 2010-01-08 2010-07-28 北京天维宝辰化学产品有限公司 Modified cement-based self-leveling mortar and preparation method and application thereof
CN101941824A (en) * 2010-08-10 2011-01-12 上海宝元化学建材有限公司 Self-leveling mortar of composite cement
CN102140026A (en) * 2010-10-22 2011-08-03 中国建筑科学研究院 Self-levelling material and preparation method thereof
KR101066317B1 (en) * 2011-05-03 2011-09-20 파슨스 브링커호프 아시아 리미티드 Fire-proof self leveling flooring composite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786850A (en) * 2010-01-08 2010-07-28 北京天维宝辰化学产品有限公司 Modified cement-based self-leveling mortar and preparation method and application thereof
CN101941824A (en) * 2010-08-10 2011-01-12 上海宝元化学建材有限公司 Self-leveling mortar of composite cement
CN102140026A (en) * 2010-10-22 2011-08-03 中国建筑科学研究院 Self-levelling material and preparation method thereof
KR101066317B1 (en) * 2011-05-03 2011-09-20 파슨스 브링커호프 아시아 리미티드 Fire-proof self leveling flooring composite

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103342530A (en) * 2013-06-25 2013-10-09 江苏蓝圈新材料有限公司 Cement-based self-leveling mortar
CN103482931A (en) * 2013-09-12 2014-01-01 德高(广州)建材有限公司 High-fluidity mosaic binder for improving spreading rate
CN103601453A (en) * 2013-10-31 2014-02-26 德高(广州)建材有限公司 Multifunctional concentrated material used for preparing kitchen and bath cement-based waterproof material
CN103601453B (en) * 2013-10-31 2014-11-26 德高(广州)建材有限公司 Multifunctional concentrated material used for preparing kitchen and bath cement-based waterproof material
CN104402334A (en) * 2014-11-11 2015-03-11 李开成 Flame-retardant cement-based cushion self-leveling
CN106630873A (en) * 2016-12-21 2017-05-10 卡本复合材料(天津)有限公司 Wet process spraying polymer mortar
CN109678416A (en) * 2018-11-24 2019-04-26 北京金中洲建筑材料有限公司 A kind of environment protection type multifunctional block smears bedding mortar and preparation method thereof
CN110256029A (en) * 2019-06-26 2019-09-20 东莞蓝贯新材料有限公司 The super flexible self-leveling cement of bicomponent cement base

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SE01 Entry into force of request for substantive examination
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TA01 Transfer of patent application right

Effective date of registration: 20121205

Address after: 100025, Beijing, Chaoyang District Gaobeidian Kang homes District No. 4 Building

Applicant after: Beijing Oriental Yuhong Waterproof Technology Co., Ltd.

Applicant after: Xuzhou Woniushan New Waterproof Material Co., Ltd.

Applicant after: Shanghai Oriental Yuhong Waterproof Technology Co., Ltd.

Address before: 100025, Beijing, Chaoyang District Gaobeidian Kang homes District No. 4 Building

Applicant before: Beijing Oriental Yuhong Waterproof Technology Co., Ltd.

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: XUZHOU WONIUSHAN ADVANCED WATERPROOF MATERIALS CO.

Effective date: 20121205

RJ01 Rejection of invention patent application after publication

Application publication date: 20120620

C12 Rejection of a patent application after its publication