CN104909669A - Pure inorganic fireproof vitrified micro-bead thermal-insulating mortar and producing method thereof - Google Patents

Pure inorganic fireproof vitrified micro-bead thermal-insulating mortar and producing method thereof Download PDF

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Publication number
CN104909669A
CN104909669A CN201510331873.5A CN201510331873A CN104909669A CN 104909669 A CN104909669 A CN 104909669A CN 201510331873 A CN201510331873 A CN 201510331873A CN 104909669 A CN104909669 A CN 104909669A
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Prior art keywords
bead
minute
vitrified micro
mixing
micro
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CN201510331873.5A
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Chinese (zh)
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徐�明
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Hefei Ji Ke New Material Co Ltd
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Hefei Ji Ke New Material Co Ltd
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Priority to CN201510331873.5A priority Critical patent/CN104909669A/en
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Abstract

The invention discloses a pure inorganic fireproof vitrified micro-bead thermal-insulating mortar. The surface of a vitrified micro-bead is coated with a layer of molten-state polystyrene resin, so that a high polymer resin layer with reinforcing and hydrophobic properties is formed, in such a way, surface defects of the vitrified micro-bead caused by various reasons are closed, and the adsorption and absorption of the vitrified micro-bead to water are prevented, thereby reducing the water absorption; and a layer of modified ceramic fiber powder also covers the micro-bead, and then other effective additives cover the modified ceramic fiber powder, so that the breakage rate of the vitrified micro-bead caused by compression and collision in doping process is significantly reduced, and the excellent properties of the vitrified micro-bead are improved; and the prepared thermal-insulating mortar is applicable to the masonry and plastering construction of interior and exterior walls, has excellent fireproof and thermal-insulating properties, and is easily available in raw materials, low in cost and long in service life.

Description

A kind of pure inorganic fire kervit microbead insulated sand slurry and preparation method thereof
Technical field
The present invention relates to thermal insulation mortar technical field, be specifically related to a kind of pure inorganic fire kervit microbead insulated sand slurry and preparation method thereof.
Background technology
At present, thermal insulation mortar is mainly divided into organic and mineral-type, although its fire resistance existing defects of organic heat-insulating mortar excellent thermal insulation performance and pollute larger.In recent years, there is the serious fire because the organic insulation material that ignites causes in China in succession, and cause various circles of society to query organic insulation material application security, thus limit the application of organic insulation material, the advantage of inorganic heat insulation mortar then displays.
Apply more inorganic heat insulation mortar mainly kervit microbead insulated sand slurry; it belongs to light-weight aggregate inorganic heat insulation mortar; compare organic thermal insulation mortar; it is except having with except the features that gelling material consistency is good, storeroom cohesive force is high such as cement; also there is the advantages such as relatively high ultimate compression strength, good weathering resistance, fire line and ventilation property; and easy construction, be the new building insulation material of a kind of good combination property, environmental protection.But due to glass bead granule strength extremely low; in mortar mix process; glass bead breakage rate is higher; dry density is large, thermal conductivity obviously increases, water-intake rate obviously increases, degradation defect under heat-insulating property to cause kervit microbead insulated sand slurry to exist; how to reduce the breakage rate of glass bead in pressurized, handling and whipping process; giving full play to its excellent properties, is a currently available technology difficult problem urgently to be resolved hurrily to improve the property indices of thermal insulation mortar.
Summary of the invention
Object of the present invention is just to provide a kind of pure inorganic fire kervit microbead insulated sand slurry and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of pure inorganic fire kervit microbead insulated sand slurry; it is characterized in that, be made up of the raw material of following weight part: ordinary Portland cement 135-155, shale brick powder 12-17, volcanic cinder 15-19, glass bead 53-63, tetraethoxysilane 1.2-2.5, sticky rice flour 4-6, polystyrene resin 22-26, dimethyl silicone oil 2-3, nano titanium oxide 1-2, ceramic fiber 4-6.
The preparation method of described a kind of pure inorganic fire kervit microbead insulated sand slurry, is characterized in that comprising the following steps:
(1) ceramic fiber is dried extra-fine grinding and become powder, add nano titanium oxide, tetraethoxysilane ultrasonic disperse grinding 1-2 hour, dry;
(2) within 2 hours, room temperature is cooled to by dry at 105 DEG C for glass bead, drop in convertible hybrid reactor, be warming up to 100-115 DEG C, the polystyrene resin of molten state is sprayed at glass bead surface, adds step (1) materials overturning mixing after 10-20 minute, then spray dimethyl silicone oil, upset mixing is after 10-20 minute, add sticky rice flour, then upset mixing 20-40 minute, dry obtained modified vitrification micro-bead;
(3) in convertible hybrid reactor, mixing in 20-30 minute is overturn by adding ordinary Portland cement after volcanic cinder high-temperature calcination process; add modified vitrification micro-bead and other remaining component upset mixing 20-30 minute again, the material automatic packing machine be stirred is wrapped discharging.
The present invention has following beneficial effect: preparation technology's simple operations of the present invention is easy, at the polystyrene resin of glass bead Surface coating one deck molten state, define the polymer resin layer having enhancing and hydrophobic property concurrently, thus the surface imperfection that closed glass bead produces because of a variety of causes, prevent glass bead to the absorption of water and absorption, thus reduce water-intake rate, also cover the modified ceramic fiber powder of one deck simultaneously, cover other effective auxiliary agents again, significantly reduce when glass bead mixes because of pressurized and collide the percentage of damage that causes, improve the excellent properties of glass bead, obtained thermal insulation mortar is applicable to building by laying bricks or stones of inner-outer wall and plastering construction, there is excellent fireproof heat insulating performance, and raw material is easy to get, cheap, long service life.
Embodiment
The pure inorganic fire kervit microbead insulated sand slurry of described one; it is characterized in that, be made up of the raw material of following weight part: ordinary Portland cement 152, shale brick powder 15, volcanic cinder 17, glass bead 59, tetraethoxysilane 1.7, sticky rice flour 4, polystyrene resin 24, dimethyl silicone oil 2, nano titanium oxide 1, ceramic fiber 4.
Making method comprises the following steps:
(1) ceramic fiber is dried extra-fine grinding and become powder, add nano titanium oxide, tetraethoxysilane ultrasonic disperse grinding 1-2 hour, dry;
(2) within 2 hours, room temperature is cooled to by dry at 105 DEG C for glass bead, drop in convertible hybrid reactor, be warming up to 100-115 DEG C, the polystyrene resin of molten state is sprayed at glass bead surface, adds step (1) materials overturning mixing after 10-20 minute, then spray dimethyl silicone oil, upset mixing is after 10-20 minute, add sticky rice flour, then upset mixing 20-40 minute, dry obtained modified vitrification micro-bead;
(3) in convertible hybrid reactor, mixing in 20-30 minute is overturn by adding ordinary Portland cement after volcanic cinder high-temperature calcination process; add modified vitrification micro-bead and other remaining component upset mixing 20-30 minute again, the material automatic packing machine be stirred is wrapped discharging.
The technical parameter index of the kervit microbead insulated sand slurry using the present invention to produce is as follows:
(1) dry density: 265kg/m 3;
(2) thermal conductivity: 0.054W/(mK);
(3) drying shrinkage value is low to moderate 0.3mm/m ~ 0.5mm/m;
(4) there is excellent thermal property, mechanical property and splitting resistance.

Claims (2)

1. a pure inorganic fire kervit microbead insulated sand slurry; it is characterized in that, be made up of the raw material of following weight part: ordinary Portland cement 135-155, shale brick powder 12-17, volcanic cinder 15-19, glass bead 53-63, tetraethoxysilane 1.2-2.5, sticky rice flour 4-6, polystyrene resin 22-26, dimethyl silicone oil 2-3, nano titanium oxide 1-2, ceramic fiber 4-6.
2. the making method of a kind of pure inorganic fire kervit microbead insulated sand slurry according to claim 1, is characterized in that comprising the following steps:
(1) ceramic fiber is dried extra-fine grinding and become powder, add nano titanium oxide, tetraethoxysilane ultrasonic disperse grinding 1-2 hour, dry;
(2) within 2 hours, room temperature is cooled to by dry at 105 DEG C for glass bead, drop in convertible hybrid reactor, be warming up to 100-115 DEG C, the polystyrene resin of molten state is sprayed at glass bead surface, adds step (1) materials overturning mixing after 10-20 minute, then spray dimethyl silicone oil, upset mixing is after 10-20 minute, add sticky rice flour, then upset mixing 20-40 minute, dry obtained modified vitrification micro-bead;
(3) in convertible hybrid reactor, mixing in 20-30 minute is overturn by adding ordinary Portland cement after volcanic cinder high-temperature calcination process; add modified vitrification micro-bead and other remaining component upset mixing 20-30 minute again, the material automatic packing machine be stirred is wrapped discharging.
CN201510331873.5A 2015-06-16 2015-06-16 Pure inorganic fireproof vitrified micro-bead thermal-insulating mortar and producing method thereof Pending CN104909669A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517893A (en) * 2016-10-23 2017-03-22 徐旭辉 Heat-insulation concrete additive material containing hollow glass beads filled with nitrogen
CN108707385A (en) * 2018-06-29 2018-10-26 芜湖市棠华建材科技有限公司 A kind of environment-friendly reflective architectural heat insulation coating 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
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
CN108795200A (en) * 2018-06-29 2018-11-13 芜湖市棠华建材科技有限公司 Lightweight complex building heat insulating coatings and preparation method thereof
CN109987908A (en) * 2019-04-28 2019-07-09 普定县银丰农业科技发展有限公司 A kind of Environment-friendlymortar mortar and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040346A (en) * 2010-09-29 2011-05-04 上海东升新材料有限公司 Modified vitrified micro bubble composition and preparation method thereof
CN103864388A (en) * 2014-03-11 2014-06-18 康利生 Light compound-insulation fireproofing dry-mixed mortar and preparation method thereof
CN103924713A (en) * 2014-04-09 2014-07-16 葛加君 Cast-in-place ecological insulation wall construction method
CN104671735A (en) * 2013-11-30 2015-06-03 青岛海发利粮油机械有限公司 Novel thermal-insulation material for building external wall

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040346A (en) * 2010-09-29 2011-05-04 上海东升新材料有限公司 Modified vitrified micro bubble composition and preparation method thereof
CN104671735A (en) * 2013-11-30 2015-06-03 青岛海发利粮油机械有限公司 Novel thermal-insulation material for building external wall
CN103864388A (en) * 2014-03-11 2014-06-18 康利生 Light compound-insulation fireproofing dry-mixed mortar and preparation method thereof
CN103924713A (en) * 2014-04-09 2014-07-16 葛加君 Cast-in-place ecological insulation wall construction method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106517893A (en) * 2016-10-23 2017-03-22 徐旭辉 Heat-insulation concrete additive material containing hollow glass beads filled with nitrogen
CN108707385A (en) * 2018-06-29 2018-10-26 芜湖市棠华建材科技有限公司 A kind of environment-friendly reflective architectural heat insulation coating 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
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
CN108795200A (en) * 2018-06-29 2018-11-13 芜湖市棠华建材科技有限公司 Lightweight complex building heat insulating coatings and preparation method thereof
CN109987908A (en) * 2019-04-28 2019-07-09 普定县银丰农业科技发展有限公司 A kind of Environment-friendlymortar mortar and preparation method thereof

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Application publication date: 20150916

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