CN102936123B - Fire-retardant heat-insulation material and preparation method - Google Patents
Fire-retardant heat-insulation material and preparation method Download PDFInfo
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- CN102936123B CN102936123B CN201110243122.XA CN201110243122A CN102936123B CN 102936123 B CN102936123 B CN 102936123B CN 201110243122 A CN201110243122 A CN 201110243122A CN 102936123 B CN102936123 B CN 102936123B
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Abstract
The present invention relates to a kind of fire-retardant heat-insulation material and preparation method, by adopting inorganic gel matrix sodium metasilicate and cement, fire proofing material is had the characteristic of not firing, combustibility can reach A level; Utilize the characteristic that glass bead porosity and rate of closed hole are high, reduce density and the thermal conductivity factor of fire proofing material; Utilize thermal conductivity factor that sepiolite cashmere is low and velvet-like design feature, when reducing fire proofing material thermal conductivity factor, improve the intensity of fire proofing material; Utilize glass fibre both to have the characteristic of resistance to combustion, the characteristic again with reinforcement improves the intensity of fire proofing material. According to GB? 20473 pairs of fire proofing materials are tested, and the density of material is 0.363g/cm3, thermal conductivity factor is 0.075w/mk, and compression strength is 0.29MPa, and combustibility is A1 level.
Description
Technical field
The present invention relates to a kind of for building outer wall fireproof heat insulating technical field.
Background technology
Current, the external wall body thermal insulation material overwhelming majority who uses in building trade is styrofoam, and it is the most outstandingAdvantage be exactly cheap and high insulating effect, but because it is combustible material, buried hidden to fireSuffer from, in recent years, there are several wildfires in domestic construction thing in succession, causes to people's life and propertyVery large loss, the fire line of national correlation department External Wall insulation material also more and more pay attention to, 2011In March, the Ministry of Public Security issuees a notice, and is illustrated in before the issue of building insulating layer new standard, carries out as strict as possible " civil buildingsOuter heat preservation system and decoration of exterior wall fire prevention temporary provisions " (No. [2009] 46, public logical word) Article 2 regulation, civilianIt is the material of A level that architecture exterior wall insulating materials will adopt combustibility. Current, domestic technical merit is difficult toAccomplish that the fire prevention of A level and insulation have standby material concurrently, and the A level fire-retardant heat-insulation material price of import is quite highExpensive, therefore developing a kind of cheap A level fire-retardant heat-insulation material is highly significant.
Summary of the invention
The technical problem to be solved in the present invention is to provide fire-retardant heat-insulation material and preparation method, makes fire-retardant heat-insulation materialHave the characteristic of not firing, combustibility reaches A level.
For solving the technical problem existing, the technical solution used in the present invention is: fire-retardant heat-insulation material adopts inorganicGelling matrix sodium metasilicate and cement, utilize the characteristic that glass bead porosity and rate of closed hole are high, reduces anti-Density and the thermal conductivity factor of fire material; Utilize thermal conductivity factor that sepiolite cashmere is low and velvet-like design feature,When reducing fire proofing material thermal conductivity factor, improve the intensity of fire proofing material; Utilize glass fibre both to have resistance toThe characteristic of combustion, the characteristic again with reinforcement improves the intensity of fire proofing material.
The preparation method of this material:
(1) glass fibre is mixed with cement, after being uniformly dispersed, leave dry place in stand-by;
(2) water, sodium metasilicate and sepiolite cashmere are mixed; To be mixed evenly after, add glass fibreWith the mixture of cement, continue to mix, finally add glass bead to be mixed into slurry stand-by;
(3) slurry mixing is injected to mould, pulp surface is floating, make wet base;
(4) will wet base natural curing solidify after, slough mould, then dry.
The A level fire-retardant heat-insulation material for building that the present invention develops, under good heat-insulating property prerequisite, toolThere is A level combustibility, and there is higher compression strength.
Detailed description of the invention
Fire-retardant heat-insulation material of the present invention, its composition and quality proportioning are generally:
Each component summation is 100%.
The present invention's sodium metasilicate, cement, glass fibre, glass bead, sepiolite cashmere and water used is citySell product.
Embodiment:
A kind of fire-retardant heat-insulation material, its specifications of raw materials is: sodium metasilicate is the commercially available product of modulus 3.3; Cement isThe commercially available product of label 42.5; Glass fibre is the commercially available product of 1cm left and right length; Glass bead is commercial goods31#; Sepiolite cashmere is commercial goods; Water is industrial running water.
Concrete component and quality proportioning are:
Each component summation is 100%.
Preparation method of the present invention:
(1) glass fibre is mixed with cement, after being uniformly dispersed, leave dry place in stand-by;
(2) water, sodium metasilicate and sepiolite cashmere are mixed; To be mixed evenly after, add glass fibreWith the mixture of cement, continue to mix, finally add glass bead to be mixed into slurry stand-by;
(3) slurry mixing is injected to mould, pulp surface is floating, make wet base;
(4) will wet after base natural curing 48h, slough mould, at 45 DEG C, dry 3 days.
According to GB20473, fire proofing material is tested, the density of material is 0.363g/cm3, thermal conductivity factorFor 0.075w/mk, compression strength is 0.29MPa, and combustibility is A1 level.
Claims (4)
1. a fire-retardant heat-insulation material, adopts inorganic gel matrix sodium metasilicate and cement, utilizes glass bead holeThe characteristic that gap rate and rate of closed hole are high, reduces density and the thermal conductivity factor of fire proofing material; Utilize sepioliteThe thermal conductivity factor that suede is low and velvet-like design feature, improve anti-when reducing fire proofing material thermal conductivity factorThe intensity of fire material; Utilize glass fibre both to have the characteristic of resistance to combustion, the characteristic again with reinforcement improves anti-The intensity of fire material, its composition and quality proportioning are:
Each component summation is 100%,
Described fire-retardant heat-insulation material preparation method, comprises following step:
(1) glass fibre is mixed with cement, after being uniformly dispersed, leave dry place in stand-by;
(2) water, sodium metasilicate and sepiolite cashmere are mixed; To be mixed evenly after, add glass fibreWith the mixture of cement, continue to mix, finally add glass bead to be mixed into slurry stand-by;
(3) slurry mixing is injected to mould, pulp surface is floating, make wet base;
(4) will wet base natural curing solidify after, slough mould, then dry.
2. fire-retardant heat-insulation material according to claim 1, its composition and best in quality proportioning are:
Each component summation is 100%.
3. fire-retardant heat-insulation material preparation method according to claim 1 and 2, comprises following step:
(1) glass fibre is mixed with cement, after being uniformly dispersed, leave dry place in stand-by;
(2) water, sodium metasilicate and sepiolite cashmere are mixed; To be mixed evenly after, add glass fibreWith the mixture of cement, continue to mix, finally add glass bead to be mixed into slurry stand-by;
(3) slurry mixing is injected to mould, pulp surface is floating, make wet base;
(4) will wet base natural curing solidify after, slough mould, then dry.
4. fire-retardant heat-insulation material preparation method according to claim 3, is characterized in that: described preparationStep (4) is by after wet base natural curing 48h, sloughs mould, dries 3 days at 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243122.XA CN102936123B (en) | 2011-08-15 | 2011-08-15 | Fire-retardant heat-insulation material and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243122.XA CN102936123B (en) | 2011-08-15 | 2011-08-15 | Fire-retardant heat-insulation material and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102936123A CN102936123A (en) | 2013-02-20 |
| CN102936123B true CN102936123B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110243122.XA Expired - Fee Related CN102936123B (en) | 2011-08-15 | 2011-08-15 | Fire-retardant heat-insulation material and preparation method |
Country Status (1)
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| CN (1) | CN102936123B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708795A (en) * | 2013-12-19 | 2014-04-09 | 刘庆辉 | Novel environment-friendly modified inorganic insulation material |
| CN104234253B (en) * | 2014-08-12 | 2016-10-12 | 南京航空航天大学 | A kind of meerschaum/glass light sound-proof heat insulation felt |
| CN104710159B (en) * | 2015-02-13 | 2016-08-24 | 上海应用技术学院 | Light vitreous granular thermal insulation material that a kind of cellulose derivative strengthens and preparation method thereof |
| CN106116428A (en) * | 2016-06-29 | 2016-11-16 | 合肥广能新材料科技有限公司 | Silica containing inorganic heat insulation material and preparation method thereof |
| CN107382236A (en) * | 2017-07-17 | 2017-11-24 | 苏州伟安杰工程技术有限公司 | Multiple-effect fire-type engineering material |
| CN109956758B (en) * | 2017-12-22 | 2022-07-26 | 上海圣奎塑业有限公司 | Manufacturing process of flexible heat-insulation board |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108630A (en) * | 1994-03-18 | 1995-09-20 | 王旭 | High-temp. heat-insulated material |
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2011
- 2011-08-15 CN CN201110243122.XA patent/CN102936123B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108630A (en) * | 1994-03-18 | 1995-09-20 | 王旭 | High-temp. heat-insulated material |
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| CN102936123A (en) | 2013-02-20 |
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Granted publication date: 20160518 Termination date: 20160815 |