CN108821675A - A kind of kervit microbead insulated sand slurry and preparation method thereof - Google Patents

A kind of kervit microbead insulated sand slurry and preparation method thereof Download PDF

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Publication number
CN108821675A
CN108821675A CN201810478175.1A CN201810478175A CN108821675A CN 108821675 A CN108821675 A CN 108821675A CN 201810478175 A CN201810478175 A CN 201810478175A CN 108821675 A CN108821675 A CN 108821675A
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China
Prior art keywords
parts
bead
sand slurry
insulated sand
kervit microbead
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.)
Withdrawn
Application number
CN201810478175.1A
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Chinese (zh)
Inventor
张智新
戴思捷
戴艳庭
沈存亮
朱嘉艺
赵孝阳
戴舒雅
戴舒涵
韩信诚
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Jiangsu Fine Shield Energy Saving Technology Co Ltd
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Jiangsu Fine Shield Energy Saving Technology Co Ltd
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Priority to CN201810478175.1A priority Critical patent/CN108821675A/en
Publication of CN108821675A publication Critical patent/CN108821675A/en
Withdrawn legal-status Critical Current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
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • 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
    • C04B2111/00025Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • 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
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials
    • C04B2111/00508Cement paints
    • 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
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a kind of kervit microbead insulated sand slurry and preparation method thereof, the raw material of the mortar includes ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder, cellulose ether, wood fibre, hydrophober, air entraining agent, binder.Preparation method is that first glass bead is placed in sodium hydroxide solution to impregnate; after taking-up with silane coupling agent mixed grinding; obtained modified vitrification micro-bead ordinary portland cement, flyash, redispersable latex powder and cellulose ether are mixed again; then wood fibre, hydrophober, air entraining agent and binder is added; stir evenly to get.Thermal insulation mortar is made by glass bead is modified in the present invention, and gained mortar water imbibition is small, thermal coefficient is low, thermal and insulating performance is good, nontoxic.

Description

A kind of kervit microbead insulated sand slurry and preparation method thereof
Technical field
The invention belongs to building material technical fields, and in particular to a kind of kervit microbead insulated sand slurry and preparation method thereof.
Background technique
Wall outer heat preservation system is grown rapidly in the traditional heating area of northern China, and people are experiencing excellent energy conservation effect While fruit and comfortable living environment, the long-term behaviour of the system is also paid special attention to.Usually there is a design to make wall external thermal insulation It is required with the time limit, under the conditions of normal use and maintenance, to reach this service life, it is necessary to which system has centainly durable Property.With the inspection of practice and the development need in market, kervit microbead insulated sand slurry heat-insulation system relies on its excellent heat insulating ability It can be with relatively low price as a kind of heat-insulation system most popular in the market, especially kervit microbead insulated sand slurry itself Have the characteristics that anti-aging, fire line, nontoxicity, intensity are high, adhesive property is good, and construction technology is simple, construction speed is fast. In the north, the temperature difference of summer and winter wall facing is very big.It is therefore desirable to its various composition materials(Including slave part)All There are stable physical and chemical properties, long-term through heated rain circulation and the variation of hot SAPMAC method, the work repeatedly of various stress With, the effect of solar radiation, the erosion of rainwater, the caustic corrosion of material itself, after the corrosion of external microbe, still with very Good intensity, guarantee whole system do not crack, do not fall off, not dusting, heat insulation property it is good.The mechanics of whole system is stablized in this way Property, durability are all one, and there is an urgent need to study.
Summary of the invention
The object of the present invention is to provide a kind of kervit microbead insulated sand slurry and preparation method thereof, gained mortar water imbibitions It is small, thermal coefficient is low, thermal and insulating performance is good.
A kind of kervit microbead insulated sand slurry, raw material include in parts by weight:30-40 parts of ordinary portland cement, modified glass Microballon 15-25 parts of change, 15-25 parts of flyash, 10-20 parts of redispersable latex powder, 1-5 parts of cellulose ether, wood fibre 1-5 Part, 1-5 parts of hydrophober, 1-2 parts of air entraining agent, 1-5 parts of binder.
Further, the modified vitrification micro-bead is that glass bead is placed in sodium hydroxide solution to impregnate, after taking-up with Silane coupling agent mixed grinding.
Further, the mean particle size of the glass bead is 0.5~1mm.
Further, the cellulose ether is selected from methylcellulose, hydroxyethylmethylcellulose, ethyl cellulose, hydroxyl second Base cellulose or hydroxypropyl methyl cellulose.
Further, the binder is Acrylic emulsion powder or vinyl acetate-ethylene latex powder.
The preparation method of above-mentioned kervit microbead insulated sand slurry, includes the following steps:
Step 1, glass bead is placed in sodium hydroxide solution and is impregnated, with silane coupling agent mixed grinding after taking-up, changed Property glass bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
Thermal insulation mortar is made by glass bead is modified in the present invention, and gained mortar water imbibition is small, thermal coefficient is low, thermal insulation separation It is good in thermal property, nontoxic.
Specific embodiment
Embodiment 1
A kind of kervit microbead insulated sand slurry, raw material include in parts by weight:30 parts of ordinary portland cement, modified vitrification micro-bead 15 Part, 15 parts of flyash, 10 parts of redispersable latex powder, 1 part of cellulose ether, 1 part of wood fibre, 1 part of hydrophober, 1 part of air entraining agent, 1 part of binder.
Wherein, the modified vitrification micro-bead is that glass bead is placed in sodium hydroxide solution to impregnate, after taking-up with silane Coupling agent mixed grinding.The mean particle size of the glass bead is 0.5~1mm.
The cellulose ether is the mixture of methylcellulose and hydroxyethylmethylcellulose, methylcellulose and ethoxy The weight ratio of methylcellulose is 1:2.
The binder is Acrylic emulsion powder.
The preparation method of above-mentioned kervit microbead insulated sand slurry, includes the following steps:
Step 1, glass bead is placed in the 10wt.% sodium hydroxide solution of 5 times of weight and is impregnated, it is even with 1wt.% silane after taking-up Join agent mixed grinding, obtains modified vitrification micro-bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
With reference to JG/T158-2013《Glue powder polyphenyl granule exterior wall material for external thermal insulation system》Detection, the pressure resistance of gained mortar Degree is 0.53MPa, thermal coefficient 0.048W/(m·K), tensile strength 0.21MPa, once spray 45mm in vertical metope Thick not plugging, not sagging.
Embodiment 2
A kind of kervit microbead insulated sand slurry, raw material include in parts by weight:32 parts of ordinary portland cement, modified vitrification micro-bead 18 Part, 17 parts of flyash, 13 parts of redispersable latex powder, 2 parts of cellulose ether, 2 parts of wood fibre, 2 parts of hydrophober, air entraining agent 1.5 Part, 3 parts of binder.
Wherein, the modified vitrification micro-bead is that glass bead is placed in sodium hydroxide solution to impregnate, after taking-up with silane Coupling agent mixed grinding.The mean particle size of the glass bead is 0.5~1mm.
The cellulose ether is the mixture of ethyl cellulose and hydroxypropyl methyl cellulose, ethyl cellulose and hydroxypropyl The weight ratio of methylcellulose is 2:1.
The binder is vinyl acetate-ethylene latex powder.
The preparation method of above-mentioned kervit microbead insulated sand slurry, includes the following steps:
Step 1, glass bead is placed in the 10wt.% sodium hydroxide solution of 5 times of weight and is impregnated, it is even with 1wt.% silane after taking-up Join agent mixed grinding, obtains modified vitrification micro-bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
With reference to JG/T158-2013《Glue powder polyphenyl granule exterior wall material for external thermal insulation system》Detection, the pressure resistance of gained mortar Degree is 0.55MPa, thermal coefficient 0.052W/(m·K), tensile strength 0.20MPa, once spray 45mm in vertical metope Thick not plugging, not sagging.
Embodiment 3
A kind of kervit microbead insulated sand slurry, raw material include in parts by weight:37 parts of ordinary portland cement, modified vitrification micro-bead 21 Part, 20 parts of flyash, 17 parts of redispersable latex powder, 3 parts of cellulose ether, 4 parts of wood fibre, 3 parts of hydrophober, air entraining agent 1.5 Part, 3 parts of binder.
Wherein, the modified vitrification micro-bead is that glass bead is placed in sodium hydroxide solution to impregnate, after taking-up with silane Coupling agent mixed grinding.The mean particle size of the glass bead is 0.5~1mm.
The cellulose ether is the mixture of methylcellulose and hydroxyethyl cellulose, methylcellulose and hydroxy ethyl fiber The weight ratio of element is 1:1.
The binder is Acrylic emulsion powder.
The preparation method of above-mentioned kervit microbead insulated sand slurry, includes the following steps:
Step 1, glass bead is placed in the 10wt.% sodium hydroxide solution of 5 times of weight and is impregnated, it is even with 1wt.% silane after taking-up Join agent mixed grinding, obtains modified vitrification micro-bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
With reference to JG/T158-2013《Glue powder polyphenyl granule exterior wall material for external thermal insulation system》Detection, the pressure resistance of gained mortar Degree is 0.57MPa, thermal coefficient 0.042W/(m·K), tensile strength 0.18MPa, once spray 45mm in vertical metope Thick not plugging, not sagging.
Embodiment 4
A kind of kervit microbead insulated sand slurry, raw material include in parts by weight:40 parts of ordinary portland cement, modified vitrification micro-bead 25 Part, 25 parts of flyash, 20 parts of redispersable latex powder, 5 parts of cellulose ether, 5 parts of wood fibre, 5 parts of hydrophober, 2 parts of air entraining agent, 5 parts of binder.
Wherein, the modified vitrification micro-bead is that glass bead is placed in sodium hydroxide solution to impregnate, after taking-up with silane Coupling agent mixed grinding.The mean particle size of the glass bead is 0.5~1mm.
The cellulose ether is the mixture of methylcellulose and hydroxyethylmethylcellulose, methylcellulose and ethoxy The weight ratio of methylcellulose is 1:2.
The binder is Acrylic emulsion powder.
The preparation method of above-mentioned kervit microbead insulated sand slurry, includes the following steps:
Step 1, glass bead is placed in the 10wt.% sodium hydroxide solution of 5 times of weight and is impregnated, it is even with 1wt.% silane after taking-up Join agent mixed grinding, obtains modified vitrification micro-bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
With reference to JG/T158-2013《Glue powder polyphenyl granule exterior wall material for external thermal insulation system》Detection, the pressure resistance of gained mortar Degree is 0.51MPa, thermal coefficient 0.051W/(m·K), tensile strength 0.21MPa, once spray 45mm in vertical metope Thick not plugging, not sagging.

Claims (6)

1. a kind of kervit microbead insulated sand slurry, it is characterised in that:Raw material includes in parts by weight:Ordinary portland cement 30-40 Part, it is 15-25 parts of modified vitrification micro-bead, 15-25 parts of flyash, 10-20 parts of redispersable latex powder, 1-5 parts of cellulose ether, wooden 1-5 parts of fiber, 1-5 parts of hydrophober, 1-2 parts of air entraining agent, 1-5 parts of binder.
2. kervit microbead insulated sand slurry according to claim 1, it is characterised in that:The modified vitrification micro-bead is by vitreous Microballon, which is placed in sodium hydroxide solution, to be impregnated, after taking-up with silane coupling agent mixed grinding.
3. kervit microbead insulated sand slurry according to claim 2, it is characterised in that:The average grain diameter of the glass bead is 0.5~1mm.
4. kervit microbead insulated sand slurry according to claim 1, it is characterised in that:The cellulose ether is selected from Methyl cellulose Element, hydroxyethylmethylcellulose, ethyl cellulose, hydroxyethyl cellulose or hydroxypropyl methyl cellulose.
5. kervit microbead insulated sand slurry according to claim 1, it is characterised in that:The binder is Acrylic emulsion Powder or vinyl acetate-ethylene latex powder.
6. the preparation method of kervit microbead insulated sand slurry described in claim 1, it is characterised in that:Include the following steps:
Step 1, glass bead is placed in sodium hydroxide solution and is impregnated, with silane coupling agent mixed grinding after taking-up, changed Property glass bead;
Step 2, ordinary portland cement, modified vitrification micro-bead, flyash, redispersable latex powder and cellulose ether are mixed, It stirs evenly;
Step 3, wood fibre, hydrophober, air entraining agent and binder are added in the mixture of step 2, stir evenly to get.
CN201810478175.1A 2018-05-18 2018-05-18 A kind of kervit microbead insulated sand slurry and preparation method thereof Withdrawn CN108821675A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517710A (en) * 2020-04-29 2020-08-11 华新水泥股份有限公司 Hydrophobic vitrified micro bubble thermal insulation mortar and preparation method thereof
CN112573874A (en) * 2020-12-09 2021-03-30 江苏昆腾新材料科技有限公司 Preparation method of high-strength self-compacting concrete
CN112876889A (en) * 2021-01-19 2021-06-01 北京慕成防火绝热特种材料有限公司 Intrinsic hydrophobic non-intumescent steel structure fireproof coating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111517710A (en) * 2020-04-29 2020-08-11 华新水泥股份有限公司 Hydrophobic vitrified micro bubble thermal insulation mortar and preparation method thereof
CN112573874A (en) * 2020-12-09 2021-03-30 江苏昆腾新材料科技有限公司 Preparation method of high-strength self-compacting concrete
CN112876889A (en) * 2021-01-19 2021-06-01 北京慕成防火绝热特种材料有限公司 Intrinsic hydrophobic non-intumescent steel structure fireproof coating

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Application publication date: 20181116