CN105753417A - Beta gypsum based self-leveling material with soundproof effect and preparation method thereof - Google Patents

Beta gypsum based self-leveling material with soundproof effect and preparation method thereof Download PDF

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Publication number
CN105753417A
CN105753417A CN201510911842.7A CN201510911842A CN105753417A CN 105753417 A CN105753417 A CN 105753417A CN 201510911842 A CN201510911842 A CN 201510911842A CN 105753417 A CN105753417 A CN 105753417A
Authority
CN
China
Prior art keywords
gypsum
based self
leveling material
soundproof effect
quartz sand
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201510911842.7A
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Chinese (zh)
Inventor
曾翠云
曹庆超
魏伟
董峰亮
万德刚
张永进
何曙光
闫小梅
周碧平
薛静
丁天华
王鸿博
刘莹琨
严昌俊
郑徳煜
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.)
Parex (shanghai) Management Co Ltd
Original Assignee
Parex (shanghai) Management 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
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Priority to CN201510911842.7A priority Critical patent/CN105753417A/en
Publication of CN105753417A publication Critical patent/CN105753417A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions 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 calcium sulfate cements
    • C04B28/145Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/147Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52Sound-insulating materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60Flooring materials
    • C04B2111/62Self-levelling compositions

Abstract

The invention provides a beta gypsum based self-leveling material with soundproof effect.The beta gypsum based self-leveling material is made from, by weight, 300-500 parts of beta semi-hydrated gypsum, 10-100 parts of silicate cement, 0-200 parts of filling, 50-100 parts of soundproof material, 200-400 parts of quartz sand, 10-50 parts of composite additive and 5-20 parts of redispersible latex powder.The beta gypsum based self-leveling material is obtained through the above proportion, and beta building gypsum powder is utilized as a main material to prepare self-leveling mortar with excellent performance, so that cost can be lowered substantially, and popularization of the self-leveling motor is facilitated.Spherical vitrified microbeads are selected to replace part of the quartz sand, weight of unit area terrace is reduced, and the beta gypsum based self-leveling material has a good soundproof function.

Description

A kind of β gypsum-based self-leveling material with soundproof effect and preparation method thereof
Technical field
The invention belongs to technical field of construction and decoration materials, particularly to a kind of β gypsum-based self-leveling material with soundproof effect.
Background technology
Gravity flowing levelling mortar is a kind of new terrestrial material for Self-leveling modifiied for the base material various additives of addition with inorganic coagulation material or inorganic coagulation material.By the difference of Binder Materials, gypsum base and the big class of cement based two can be divided into.Gypsum base Self-leveling is mainly used as bottom self-leveling material, is namely applied to the laying supporting layer of ground decoration layer.Compared to cement-based self-leveling, gypsum base Self-leveling produces microdilatancy in condensing hardening process, contraction fissure will not be produced, and thermal stability is good, can be used as " floor heating " screed-coat, gypsum base material also has good heat insulating and sound insulating characteristic, has respiratory function, can temperature and humidity in conditioning chamber, improve the comfort level lived.
Current gypsum base Self-leveling mainly adopts α Gypsum Fibrosum to configure as main material, so relatively costly, promotes difficulty big.Therefore this area needs urgent need one to reduce cost largely, is conducive to the self-leveling material of popularization and application.
Summary of the invention
For above-mentioned situation, the present invention provides a kind of β gypsum-based self-leveling material with soundproof effect, with β building gypsum plaster for the superior gravity flowing levelling mortar of main material processability, cost will be reduced largely, be conducive to the popularization and application of gravity flowing levelling mortar, choose lightweight sound insulation material simultaneously and replace part quartz sand, strengthen soundproof effect.
To achieve these goals, a kind of β gypsum-based self-leveling material with soundproof effect provided by the invention, the component including following parts by weight is made: β semi-hydrated gypsum: 300-550;Portland cement: 10-100;Filler: 0-200;Deadener: 50-100;Quartz sand: 200-400;Compound additive: 10-50;Redispersible latex powder: 5-20.
Preferably, described portland cement is strength grade 42.5 or 52.5 white portland cement.
Preferably, described filler was the calcium powder of 200-400 mesh sieve.
Preferably, described deadener is glass bead.
Preferably, described quartz sand is the quartz sand of 30-120 mesh sieve.
Preferably, described compound additive is formed by the configuration of sodium citrate retarder, polycarboxylate water-reducer, organic silicon defoamer, cellulose ether water-retaining agent, lithium carbonate early strength agent and pearl filler.
Preferably, described redispersible latex powder is ethylene-vinyl acetate copolymer.
The preparation method that present invention also offers a kind of β gypsum-based self-leveling material with soundproof effect, specifically includes following steps:
One, by dosage table precise as the compound additive of additive, redispersible latex powder;
Two, by dosage table precise as the β Gypsum Fibrosum of major ingredient, cement, quartz sand, filler, deadener;
Three, load weighted additive is added to major ingredient, and carry out hand operated mixing in advance;
Four, the proportioning material that hand operated mixing in advance is crossed is put into blender and carry out stirring at low speed, until mix homogeneously.
Preferably, the described blender used in above-mentioned steps four is the planetary cement mortar mixer of JC/T681-2005.
The present invention utilizes β building gypsum plaster to prepare the gravity flowing levelling mortar of superior performance for main material, will reduce cost largely, and be conducive to the popularization of gravity flowing levelling mortar.Choose spherical glass bead and replace part quartz sand, alleviate the weight of unit are terrace, and there is good sound insulation function.
Detailed description of the invention
<embodiment 1>
The β gypsum-based self-leveling material with soundproof effect provided in the present embodiment, the proportioning of its each component and component is:
β semi-hydrated gypsum 450kg/t;
White portland cement 50kg/t;
Filler 130kg/t;
Deadener 50kg/t;
Quartz sand 284kg/t;
Compound additive 20kg/t;
Redispersible latex powder 16kg/t.
Wherein, the strength grade of white portland cement requires is 42.5;Filler was the calcium powder of 200 mesh sieves;Deadener is glass bead;Quartz sand was the quartz sand of 30-100 mesh sieve;Redispersible latex powder is ethylene-vinyl acetate copolymer.
By β gypsum-based self-leveling material prepared by said components proportioning, its every testing result is as follows: 30min fluidity loss is 0;Presetting period is 125min;Final setting time is 130min;24h rupture strength is 2.7MPa;24h comprcssive strength is 10.8MPa;Over dry rupture strength is 10.0MPa;Over dry comprcssive strength is 28.2MPa;Over dry tensile bond strength is 1.5MPa;Shrinkage factor is 0.02%.
<embodiment 2>
The β gypsum-based self-leveling material with soundproof effect provided in the present embodiment, the proportioning of its each component and component is:
β semi-hydrated gypsum 300kg/t;
White portland cement 100kg/t;
Filler 200kg/t;
Deadener 50kg/t;
Quartz sand 300kg/t;
Compound additive 40kg/t;
Redispersible latex powder 10kg/t.
Wherein, the strength grade of white portland cement requires is 42.5;Filler was the calcium powder of 200 mesh sieves;Deadener is glass bead;Quartz sand was the quartz sand of 30-100 mesh sieve;Redispersible latex powder is ethylene-vinyl acetate copolymer.
<embodiment 3>
The β gypsum-based self-leveling material with soundproof effect provided in the present embodiment, the proportioning of its each component and component is:
β semi-hydrated gypsum 400kg/t;
White portland cement 80kg/t;
Filler 150kg/t;
Deadener 80kg/t;
Quartz sand 242kg/t;
Compound additive 30kg/t;
Redispersible latex powder 18kg/t.
Wherein, the strength grade of white portland cement requires is 52.5;Filler was the calcium powder of 200 mesh sieves;Deadener is glass bead;Quartz sand was the quartz sand of 30-100 mesh sieve;Redispersible latex powder is ethylene-vinyl acetate copolymer.
<embodiment 4>
The β gypsum-based self-leveling material with soundproof effect provided in the present embodiment, the proportioning of its each component and component is:
β semi-hydrated gypsum 500kg/t;
White portland cement 30kg/t;
Filler 50kg/t;
Deadener 70kg/t;
Quartz sand 332kg/t;
Compound additive 10kg/t;
Redispersible latex powder 8kg/t.
Wherein, the strength grade of white portland cement requires is 52.5;Filler was the calcium powder of 400 mesh sieves;Deadener is glass bead;Quartz sand was the quartz sand of 30-100 mesh sieve;Redispersible latex powder is ethylene-vinyl acetate copolymer.
<embodiment 5>
The β gypsum-based self-leveling material with soundproof effect provided in the present embodiment, the proportioning of its each component and component is:
β semi-hydrated gypsum 550kg/t;
White portland cement 10kg/t;
Filler 0kg/t;
Deadener 100kg/t;
Quartz sand 285kg/t;
Compound additive 50kg/t;
Redispersible latex powder 5kg/t.
Wherein, the strength grade of white portland cement requires is 52.5;Filler was the calcium powder of 400 mesh sieves;Deadener is glass bead;Quartz sand was the quartz sand of 30-100 mesh sieve;Redispersible latex powder is ethylene-vinyl acetate copolymer.
<preparation technology>
The β gypsum-based self-leveling material with soundproof effect provided by the present invention, its preparation method, specifically include following steps:
(1) first according to match ratio precise, the additive such as compound additive, redispersible latex powder is weighed;
(2) by above-mentioned match ratio precise, β Gypsum Fibrosum, cement, quartz sand, filler, deadener are weighed;
(3) load weighted additive is added to major ingredient, and carry out hand operated mixing in advance;
(4) the proportioning material that hand operated mixing in advance is crossed is put into the planetary cement mortar mixer of JC/T681-2005 and carry out stirring at low speed, stir 10-20 minute, until mix homogeneously.
<occupation mode>
The using method of the β gypsum-based self-leveling material with soundproof effect provided herein is as follows:
Use condition:
Construction temperature is 5 DEG C~35 DEG C, and relative humidity should not be higher than 80%;Basal plane is dustless, free from flaw, nothing are loose, smooth.
Use step is:
(1) on the basal plane cleared up, brush twice interfacial agents, after a brushing after its surface dry, then brush second time;
(2) mix with clear water (powder: clear water=1:0.22) according to the proportioning of the upper suggestion of packaging, by electric blender, adhesive and water are stirred well to uniformly without caking pulpous state;
(3) namely the slurry after stirring be can be used for Surface irrigation slurry, and use scraper dedicated to strike off, and do defoaming treatment.Construction thickness is 5 ~ 30mm;
(4) when construction environment, more than maintenance 24h can carry out the construction of next step surface layer.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; simply principles of the invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within claimed the scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.

Claims (9)

1. a β gypsum-based self-leveling material with soundproof effect, it is characterised in that the component including following parts by weight is made:
β semi-hydrated gypsum: 300-550;
Portland cement: 10-100;
Filler: 0-200;
Deadener: 50-100;
Quartz sand: 200-400;
Compound additive: 10-50;
Redispersible latex powder: 5-20.
2. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterised in that described portland cement is strength grade 42.5 or 52.5 white portland cement.
3. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterised in that described filler was the calcium powder of 200-400 mesh sieve.
4. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterised in that described deadener is glass bead.
5. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterised in that described quartz sand is the quartz sand of 30-120 mesh sieve.
6. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterized in that, described compound additive is formed by by the configuration of sodium citrate retarder, polycarboxylate water-reducer, organic silicon defoamer, cellulose ether water-retaining agent, lithium carbonate early strength agent and pearl filler.
7. a kind of β gypsum-based self-leveling material with soundproof effect according to claim 1, it is characterised in that described redispersible latex powder is ethylene-vinyl acetate copolymer.
8. the preparation method of a β gypsum-based self-leveling material with soundproof effect, it is characterised in that comprise the following steps:
One, by dosage table precise as the compound additive of additive, redispersible latex powder;
Two, by dosage table precise as the β Gypsum Fibrosum of major ingredient, cement, quartz sand, filler, deadener;
Three, load weighted additive is added to major ingredient, and carry out hand operated mixing in advance;
Four, the proportioning material that hand operated mixing in advance is crossed is put into blender and carry out stirring at low speed, until mix homogeneously.
9. the preparation method of a kind of β gypsum-based self-leveling material with soundproof effect according to claim 8, it is characterised in that the described blender used in step 4 is the planetary cement mortar mixer of JC/T681-2005.
CN201510911842.7A 2015-12-11 2015-12-11 Beta gypsum based self-leveling material with soundproof effect and preparation method thereof Pending CN105753417A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106348709A (en) * 2016-08-30 2017-01-25 派丽(上海)管理有限公司 Foaming heat-conducting gypsum-based self- leveling floor tile materials
CN106431146A (en) * 2016-10-09 2017-02-22 南京工业大学 Composite gypsum-based self-leveling mortar and preparation method
CN106587871A (en) * 2016-11-03 2017-04-26 南京工业大学 Self-leveling mortar terrace material used for under-floor heating facilities
CN107216108A (en) * 2017-06-28 2017-09-29 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN108129122A (en) * 2018-01-16 2018-06-08 四川华邦保和涂料有限公司 A kind of preparation method of phosphorus paring stone cream base lightweight gravity flowing levelling mortar
CN110590313A (en) * 2019-10-28 2019-12-20 宋俊伟 Light self-leveling mortar and preparation method thereof
CN111099870A (en) * 2019-01-23 2020-05-05 海南瑞宸新型建材有限公司 Gypsum-based sound-insulation heat-preservation thick-layer self-leveling mortar
CN112794729A (en) * 2020-10-20 2021-05-14 长兴欧立亚新型建材有限公司 Moisture-resistant sound-insulation gypsum-based self-leveling mortar
CN114573314A (en) * 2021-06-07 2022-06-03 瓮福化工科技有限公司 Phosphogypsum-based sound insulation self-leveling mortar and application thereof
CN115838273A (en) * 2022-12-27 2023-03-24 江苏省苏安能节能建材科技有限公司 Moisture-resistant sound-insulation gypsum-based self-leveling mortar and preparation method thereof

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106348709A (en) * 2016-08-30 2017-01-25 派丽(上海)管理有限公司 Foaming heat-conducting gypsum-based self- leveling floor tile materials
CN106431146A (en) * 2016-10-09 2017-02-22 南京工业大学 Composite gypsum-based self-leveling mortar and preparation method
CN106587871A (en) * 2016-11-03 2017-04-26 南京工业大学 Self-leveling mortar terrace material used for under-floor heating facilities
CN107216108A (en) * 2017-06-28 2017-09-29 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN107216108B (en) * 2017-06-28 2019-10-18 武汉菡美洛建筑材料有限公司 High performance plaster-based board adhesive mortar and preparation method thereof
CN108129122A (en) * 2018-01-16 2018-06-08 四川华邦保和涂料有限公司 A kind of preparation method of phosphorus paring stone cream base lightweight gravity flowing levelling mortar
CN111099870A (en) * 2019-01-23 2020-05-05 海南瑞宸新型建材有限公司 Gypsum-based sound-insulation heat-preservation thick-layer self-leveling mortar
CN110590313A (en) * 2019-10-28 2019-12-20 宋俊伟 Light self-leveling mortar and preparation method thereof
CN112794729A (en) * 2020-10-20 2021-05-14 长兴欧立亚新型建材有限公司 Moisture-resistant sound-insulation gypsum-based self-leveling mortar
CN112794729B (en) * 2020-10-20 2022-08-30 长兴欧立亚新型建材有限公司 Moisture-resistant sound-insulation gypsum-based self-leveling mortar
CN114573314A (en) * 2021-06-07 2022-06-03 瓮福化工科技有限公司 Phosphogypsum-based sound insulation self-leveling mortar and application thereof
CN115838273A (en) * 2022-12-27 2023-03-24 江苏省苏安能节能建材科技有限公司 Moisture-resistant sound-insulation gypsum-based self-leveling mortar and preparation method thereof

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