CN102167529A - Thermal insulation fire-proof aggregate with polystyrene particle-coated expanded and vitrified bead mortar and preparation method thereof - Google Patents

Thermal insulation fire-proof aggregate with polystyrene particle-coated expanded and vitrified bead mortar and preparation method thereof Download PDF

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Publication number
CN102167529A
CN102167529A CN2010106123577A CN201010612357A CN102167529A CN 102167529 A CN102167529 A CN 102167529A CN 2010106123577 A CN2010106123577 A CN 2010106123577A CN 201010612357 A CN201010612357 A CN 201010612357A CN 102167529 A CN102167529 A CN 102167529A
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China
Prior art keywords
granular polystyrene
mortar
expanded
thermal insulation
aggregate
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Granted
Application number
CN2010106123577A
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Chinese (zh)
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CN102167529B (en
Inventor
严建华
秦魏
刘伟华
张红芳
罗淑湘
刘妍
王倩倩
张海滨
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SHANDONG CHUANGZHI NEW MATERIALS TECHNOLOGY Co Ltd
Beijing University of Technology
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SHANDONG CHUANGZHI NEW MATERIALS TECHNOLOGY Co Ltd
Beijing University of Technology
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Publication of CN102167529A publication Critical patent/CN102167529A/en
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Classifications

    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/12—Multiple coating or impregnating
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a thermal insulation fire-proof aggregate with polystyrene particle-coated expanded and vitrified bead mortar and a preparation method thereof, and belongs to the field of wall insulation materials. The aggregate consists of a core layer and a coating layer, wherein the core layer is made of surface-modified polystyrene particles; the coating layer is made of expanded and vitrified bead thermal insulation mortar; and the thermal insulation mortar is added with calcium hydroxide, and the calcium hydroxide is heated and decomposed to absorb heat and release water so as to achieve the flame-retardant effect. The preparation method comprises the following steps of: screening the polystyrene particles, performing inorganic modification on the surfaces of the polystyrene particles, and ensuring that the particle size of the modified polystyrene particles is 0.4-0.7cm; preparing expanded and vitrified bead thermal insulation mortar slurry in a ratio; and coating the surface-modified polystyrene particles by using the expanded and vitrified bead thermal insulation mortar slurry, and drying under natural condition to obtain the aggregate particles with the particle size of 0.7-1.5cm. The aggregate has the characteristics of high thermal insulation and fire-proof property, and has the characteristic of simple operation in the fire-proof thermal insulation application.

Description

Insulated fire aggregate of a kind of expanded and vitrified small ball mortar parcel granular polystyrene and preparation method thereof
Technical field
The invention belongs to the wall heat insulation material field, relate to insulated fire aggregate of a kind of expanded and vitrified small ball mortar parcel granular polystyrene and preparation method thereof.
Background technology
Expanded and vitrified small ball is a kind of inorganic light weight particulate species material monomer with better heat-insulating property that development in recent years is got up; its inner porous cavity; surface vitreous sealing; gloss is level and smooth; physicochemical property is stable; have light weight, thermal insulation, fire prevention, high-low temperature resistant, excellent specific property such as anti-aging, water-intake rate is little is a kind of environment-friendly type high performance heat preserving and insulating material.
Granular polystyrene belongs to organic class material, good sphericity, and water-intake rate is low, thermal conductivity little [being generally less than 0.041W/ (mK)]; excellent thermal insulation performance, tap density are about 1/10 of glass bead, but grain composition is poor; voidage is big, and is low with cement cementitious intensity, high temperature resistant and resistance to deterioration is poor.Granular polystyrene resistance toheat, adhesive property are poor, and intensity is low, easily ghost rimose shortcoming.
Summary of the invention
The objective of the invention is to overcome the defective of granular polystyrene fire-protection rating difference, utilize that the expanded and vitrified small ball fire-protection rating is superior, the characteristics of good heat insulating, the insulated fire aggregate of a kind of insulation, the better expanded and vitrified small ball parcel of fire prevention effect granular polystyrene is provided.
The technical scheme of the insulated fire aggregate of a kind of expanded and vitrified small ball mortar parcel granular polystyrene of the present invention: this aggregate is made up of sandwich layer and integument, and sandwich layer is the granular polystyrene of surface modification, and integument is the expansion vitrification bead heat-preserving mortar.
The granular polystyrene of surface modification is the granular polystyrene of redispersible polymer latex and gelling material parcel, and gelling material is that mass ratio is cement and the flyash of 6-8.Wherein redispersible polymer latex and EPS particulate mass ratio are 0.7-0.9 in the modifying material, and the gelling material and the EPS particulate mass ratio of outer parcel are 0.1-0.2.
Expansion vitrification bead heat-preserving mortar wet end furnish is: 42.5 class g cement 24.8-33; glass bead 9-12.4; quartz sand 23-24.8, wood fibre 0.1-1, HPMC 0.1-1; re-dispersible glue powder 1.5-2.5; polypropene staple 0.1-0.5, β semi-hydrated gypsum 0.4-1, whipping agent 0.3-1; above-mentioned siccative mass fraction summation is 67.5-69, adds the calcium hydroxide of dry blend quality 1%-5% again.Moisture added calcium hydroxide in the thermal insulation mortar, because of can be absorbed heat and discharge to its decomposes to play flame retardant effect.
The insulated fire aggregate processing method of a kind of expanded and vitrified small ball mortar parcel of the present invention granular polystyrene may further comprise the steps:
(1) granular polystyrene surface modification: select granular polystyrene, with the metering the redispersible polymer latex prepare by water-cement ratio 0.6-0.9 after, be sprayed at the EPS particle surface that constantly stirs, after treating that the wetting parcel of EPS particle surface fully, be nuclear with it again, add cement and flyash while stirring, parcel one deck inorganic coagulation material makes inorganicization of EPS particle surface.Particle diameter after the modification is 0.4-0.7cm.
(2) preparation expansion vitrification bead heat-preserving mortar slurry (wt%): 42.5 class g cement 24.8-33; glass bead 9-12.4; quartz sand 23-24.8, wood fibre 0.1-1, HPMC 0.1-1; re-dispersible glue powder 1.5-2.5; polypropene staple 0.1-0.5, β semi-hydrated gypsum 0.4-1, whipping agent 0.3-1; above-mentioned siccative mass fraction summation is 67.5-69, adds the calcium hydroxide of dry blend quality 1%-5% again.
(3) modification is good granular polystyrene and expansion vitrification bead heat-preserving mortar are mixed and made into wet granular, and then dry getting final product under the natural condition.The gained particle size is 0.7-1.5cm
Advantage of the present invention
The invention has the advantages that the characteristic of utilizing the expanded and vitrified small ball fire-protection rating high, be wrapped in outside the granular polystyrene, form a kind of insulation, the better composite light aggregate of fire prevention.This aggregate fire-protection rating height can arrive the fire prevention of A level; Thermal conductivity is low, and heat-insulating property is superior; Handle by the surface inorganic modification, it is not in use ftractureed, have avidity more, in fireproof heat insulating uses, have the characteristics of easy handling.。
Embodiment
Example 1
At first prepare modifying material, redispersible polymer latex and EPS particulate mass ratio are 0.7 in the modifying material, and the gelling material (mass ratio of cement and flyash is 6) of outer parcel is 0.1 with EPS particulate mass ratio.Secondly, with the metering the redispersible polymer latex prepare by water-cement ratio 0.6 after, be sprayed at the EPS particle surface that constantly stirs, after treating that the wetting parcel of EPS particle surface fully, be nuclear with it again, add a certain amount of cement and flyash while stirring, parcel one deck inorganic coagulation material, make inorganicization of EPS particle surface, particle diameter is 0.4-0.7cm.The 3rd, press this proportioning (wt%): 42.5 class g cements 24.8, glass bead 12.4; quartz sand 24.8; wood fibre 1, HPMC 1, re-dispersible glue powder 2.5; polypropene staple 0.5; β semi-hydrated gypsum 1, whipping agent 1, water 31; the calcium hydroxide that adds above dry blend quality 1% again, preparation expansion vitrification bead heat-preserving mortar slurry.At last, granular polystyrene and expansion vitrification bead heat-preserving mortar that modification is good are mixed and made into wet granular, drier getting final product under the natural condition.The gained particle size is 0.7-1.5cm
Example 2
At first prepare modifying material, redispersible polymer latex and EPS particulate mass ratio are 0.9 in the modifying material, and the gelling material (mass ratio of cement and flyash is 8) of outer parcel is 0.2 with EPS particulate mass ratio.Secondly, with the metering the redispersible polymer latex prepare by water-cement ratio 0.77 after, be sprayed at the EPS particle surface that constantly stirs, after treating that the wetting parcel of EPS particle surface fully, be nuclear with it again, add a certain amount of cement and flyash while stirring, parcel one deck inorganic coagulation material, make inorganicization of EPS particle surface, particle diameter is 0.4-0.7cm.The 3rd, press this proportioning (wt%): 42.5 class g cements 33, glass bead 9; quartz sand 23; wood fibre 0.1, HPMC 0.1, re-dispersible glue powder 1.5; polypropene staple 0.1; β semi-hydrated gypsum 0.4, whipping agent 0.3, water 32.5; the calcium hydroxide that adds above dry blend quality 5% again, preparation expansion vitrification bead heat-preserving mortar.At last, granular polystyrene and expansion vitrification bead heat-preserving mortar that modification is good are mixed and made into wet granular, drier getting final product under the natural condition.The gained particle size is 0.7-1.5cm
Example 3
At first prepare modifying material, redispersible polymer latex and EPS particulate mass ratio are 0.8 in the modifying material, and the gelling material (mass ratio of cement and flyash is 7) of outer parcel is 0.15 with EPS particulate mass ratio.Secondly, with the metering the redispersible polymer latex prepare by water-cement ratio 0.9 after, be sprayed at the EPS particle surface that constantly stirs, after treating that the wetting parcel of EPS particle surface fully, be nuclear with it again, add a certain amount of cement and flyash while stirring, parcel one deck inorganic coagulation material, make inorganicization of EPS particle surface, particle diameter is 0.4-0.7cm.The 3rd, press this proportioning (wt%): 42.5 class g cements 30, glass bead 10; quartz sand 24; wood fibre 0.5, HPMC 0.5, re-dispersible glue powder 2; polypropene staple 0.5; β semi-hydrated gypsum 0.6, whipping agent 0.4, water 31.5; the calcium hydroxide that adds above dry blend quality 4% again, preparation expansion vitrification bead heat-preserving mortar slurry.At last, granular polystyrene and expansion vitrification bead heat-preserving mortar that modification is good are mixed and made into wet granular, drier getting final product under the natural condition.The gained particle size is 0.7-1.5cm.

Claims (4)

1. the insulated fire aggregate of an expanded and vitrified small ball mortar parcel granular polystyrene is characterized in that this aggregate is made up of sandwich layer and integument, and sandwich layer is the granular polystyrene of surface modification, and integument is the expansion vitrification bead heat-preserving mortar;
The granular polystyrene of surface modification is the granular polystyrene of redispersible polymer latex and gelling material parcel, and gelling material is that mass ratio is cement and the flyash of 6-8;
Expansion vitrification bead heat-preserving mortar wet end furnish is: 42.5 class g cement 24.8-33; glass bead 9-12.4; quartz sand 23-24.8, wood fibre 0.1-1, HPMC 0.1-1; re-dispersible glue powder 1.5-2.5; polypropene staple 0.1-0.5, β semi-hydrated gypsum 0.4-1, whipping agent 0.3-1; above-mentioned siccative mass fraction summation is 67.5-69, adds the calcium hydroxide of dry blend quality 1%-5% again.
2. a kind of expanded and vitrified small ball mortar of claim 1 wraps up the insulated fire aggregate of granular polystyrene; it is characterized in that; redispersible polymer latex and EPS particulate mass ratio are 0.7-0.9 in the modifying material, and the gelling material and the EPS particulate mass ratio of outer parcel are 0.1-0.2.
3. a kind of expanded and vitrified small ball mortar of claim 1 wraps up the insulated fire aggregate of granular polystyrene; it is characterized in that; granular polystyrene particle diameter after the modification is 0.4-0.7cm, and the insulated fire particles of aggregates of expanded and vitrified small ball mortar parcel granular polystyrene is of a size of 0.7-1.5cm.
4. the insulated fire aggregate processing method of a kind of expanded and vitrified small ball mortar parcel granular polystyrene of claim 1 is characterized in that, may further comprise the steps:
(1) granular polystyrene surface modification: select granular polystyrene, with the metering the redispersible polymer latex prepare by water-cement ratio 0.6-0.9 after, be sprayed at the EPS particle surface that constantly stirs, after treating that the wetting parcel of EPS particle surface fully, be nuclear with it again, add cement and flyash while stirring, parcel one deck inorganic coagulation material makes inorganicization of EPS particle surface;
(2) preparation expansion vitrification bead heat-preserving mortar slurry wt%:42.5 class g cement 24.8-33; glass bead 9-12.4; quartz sand 23-24.8, wood fibre 0.1-1, HPMC 0.1-1; re-dispersible glue powder 1.5-2.5; polypropene staple 0.1-0.5, β semi-hydrated gypsum 0.4-1, whipping agent 0.3-1; water 31-32.5 adds the calcium hydroxide of dry blend quality 1%-5% again.
(3) modification is good granular polystyrene and expansion vitrification bead heat-preserving mortar are mixed and made into wet granular, and then dry getting final product under the natural condition.
CN2010106123577A 2010-12-29 2010-12-29 Thermal insulation fire-proof aggregate with polystyrene particle-coated expanded and vitrified bead mortar and preparation method thereof Expired - Fee Related CN102167529B (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515821A (en) * 2011-12-09 2012-06-27 北京工业大学 Method for producing alkaline residue ceramsite with high efficiency, waste utilization, low energy consumption and light weight
CN102995777A (en) * 2012-11-22 2013-03-27 北京工业大学 Composite expanded and vitrified microbead heat-insulation mortar slab with ceramsite-reinforced surfaces and production method thereof
CN103011712A (en) * 2012-12-25 2013-04-03 湖南省中政建材有限公司 Vitrified micro bubble thermal mortar aggregate and preparation method thereof
CN103276827A (en) * 2013-05-16 2013-09-04 常州飞云建筑材料有限公司 Polyphenyl mortar insulation board and preparation method of polyphenyl mortar
CN103601454A (en) * 2013-11-22 2014-02-26 济南大学 Preparation method of light-weight thermal mortar
CN103664112A (en) * 2013-11-18 2014-03-26 蚌埠市鸿安精密机械有限公司 Heat-preserving fireproof aggregate containing paraffin microcrystal particles
CN108275964A (en) * 2018-01-22 2018-07-13 河北达奥达建材科技股份有限公司 A kind of assembled architecture special-purpose thermal insulation heat-barrier material
CN108774020A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 Honeycomb vitrified microsphere building heat-insulating material and preparation method thereof
CN108774030A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 A kind of light flame-retardant building thermal insulation material and preparation method thereof
CN110183127A (en) * 2019-04-12 2019-08-30 重庆建工建材物流有限公司 Super high strength lightweight aggregate of a kind of self-control low defect and its preparation method and application
CN112321230A (en) * 2020-11-02 2021-02-05 清远市德居新型建筑材料有限公司 Novel double-component polymer light mortar formula
CN112757477A (en) * 2020-12-30 2021-05-07 天津中冶团泊湖置业有限公司 Preparation method of single-component grouting material
CN114105524A (en) * 2021-11-29 2022-03-01 张家港市华孚实业有限公司 Preparation process of heat-preservation type expanded perlite composite material for building
CN114804784A (en) * 2022-05-25 2022-07-29 绍兴市暖壹节能科技有限公司 Vacuum ceramic microsphere modified EPS (expandable polystyrene) heat-insulation board and preparation method thereof

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Cited By (18)

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Publication number Priority date Publication date Assignee Title
CN102515821A (en) * 2011-12-09 2012-06-27 北京工业大学 Method for producing alkaline residue ceramsite with high efficiency, waste utilization, low energy consumption and light weight
CN102995777A (en) * 2012-11-22 2013-03-27 北京工业大学 Composite expanded and vitrified microbead heat-insulation mortar slab with ceramsite-reinforced surfaces and production method thereof
CN103011712A (en) * 2012-12-25 2013-04-03 湖南省中政建材有限公司 Vitrified micro bubble thermal mortar aggregate and preparation method thereof
CN103011712B (en) * 2012-12-25 2014-06-11 湖南省中政建材有限公司 Vitrified micro bubble thermal mortar aggregate and preparation method thereof
CN103276827A (en) * 2013-05-16 2013-09-04 常州飞云建筑材料有限公司 Polyphenyl mortar insulation board and preparation method of polyphenyl mortar
CN103276827B (en) * 2013-05-16 2015-09-23 常州展华机器人有限公司 The preparation method of polyphenyl mortar warming plate and polyphenyl mortar
CN103664112B (en) * 2013-11-18 2016-03-23 蚌埠市鸿安精密机械有限公司 A kind of insulated fire aggregate containing paraffin microcrystal grain
CN103664112A (en) * 2013-11-18 2014-03-26 蚌埠市鸿安精密机械有限公司 Heat-preserving fireproof aggregate containing paraffin microcrystal particles
CN103601454A (en) * 2013-11-22 2014-02-26 济南大学 Preparation method of light-weight thermal mortar
CN108275964A (en) * 2018-01-22 2018-07-13 河北达奥达建材科技股份有限公司 A kind of assembled architecture special-purpose thermal insulation heat-barrier material
CN108774020A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 Honeycomb vitrified microsphere building heat-insulating material and preparation method thereof
CN108774030A (en) * 2018-06-29 2018-11-09 芜湖市棠华建材科技有限公司 A kind of light flame-retardant building thermal insulation material and preparation method thereof
CN110183127A (en) * 2019-04-12 2019-08-30 重庆建工建材物流有限公司 Super high strength lightweight aggregate of a kind of self-control low defect and its preparation method and application
CN112321230A (en) * 2020-11-02 2021-02-05 清远市德居新型建筑材料有限公司 Novel double-component polymer light mortar formula
CN112757477A (en) * 2020-12-30 2021-05-07 天津中冶团泊湖置业有限公司 Preparation method of single-component grouting material
CN114105524A (en) * 2021-11-29 2022-03-01 张家港市华孚实业有限公司 Preparation process of heat-preservation type expanded perlite composite material for building
CN114804784A (en) * 2022-05-25 2022-07-29 绍兴市暖壹节能科技有限公司 Vacuum ceramic microsphere modified EPS (expandable polystyrene) heat-insulation board and preparation method thereof
CN114804784B (en) * 2022-05-25 2023-03-14 绍兴市暖壹节能科技有限公司 Vacuum ceramic microsphere modified EPS (expandable polystyrene) heat-insulation board and preparation method thereof

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