CN103266674A - Fiber cement strengthening FC heat-insulation board and preparation method thereof - Google Patents
Fiber cement strengthening FC heat-insulation board and preparation method thereof Download PDFInfo
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- CN103266674A CN103266674A CN2013101961834A CN201310196183A CN103266674A CN 103266674 A CN103266674 A CN 103266674A CN 2013101961834 A CN2013101961834 A CN 2013101961834A CN 201310196183 A CN201310196183 A CN 201310196183A CN 103266674 A CN103266674 A CN 103266674A
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Abstract
The invention discloses a fiber cement strengthening FC heat-insulation board and a preparation method of the fiber cement strengthening FC heat-insulation board. The fiber cement strengthening FC heat-insulation board comprises a composite foaming cement board, adhesives and glass fiber mat veneer material layers, wherein the upper surface, the lower surface and four lateral surfaces of the composite foaming cement board are all bonded with the glass fiber mat veneer material layers through the adhesives. The preparation method includes the following steps that the adhesives are prepared, cement and redispersible latex powder are mixed for 3-6 minutes according to the weight ratio, after the cement and redispersible latex powder are mixed uniformly, water is added, the mixture is stirred for 2-4 minutes, the composite foaming cement board is prepared, the upper surface, the lower surface and the four lateral surfaces of the composite foaming cement board are all bonded with the glass fiber mat veneer material layers through the adhesives, and the composite foaming cement board is placed for 1-3 days. The fiber cement strengthening FC heat-insulation board has the advantages of being low in water absorption, good in mechanical property, low in heat-conduction coefficient, good in integrity, and free of cracks, achieving a grade A fire protection function, having a service life as long as a building, and the like.
Description
Technical field
The present invention relates to the building thermal insulation material field, particularly relate to a kind of fiber cement and strengthen FC warming plate and preparation method thereof.
Background technology
The composite foaming cement plate is certificate A level fire-retardant heat-insulation material complete, free from controversy few in number in the market, it is low to have intensity height, light weight, coefficient of thermal conductivity, and application life and building are synchronous, are better than advantages such as polyphenyl plate (general application life 20-25) greatly.But because its market threshold is low, small enterprise is in the majority, technical level is not high, and the equipment of buying is given prescription, though can send bubble, inherent quality is poor, loose (intensity is low), fragility is big, dry linting, cracking, water absorption rate height, and density is big, heat insulation effect is poor.The durability of product that has is poor, put crisper and crisper, and efflorescence, obscission appear in last wall, and these have all seriously ruined the overall image of composite foaming cement board industry.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind ofly to be had that water absorption rate is low, mechanical property is excellent, coefficient of thermal conductivity is low, good integrity, not to ftracture, strengthen FC warming plate and preparation method thereof with same life-span of building, A level fireproof fiber cement.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of fiber cement to strengthen the FC warming plate, comprise composite foaming cement plate, adhesive and glass fibre mat surface lining layer, the upper and lower surface of described composite foaming cement plate and four sides thereof all are pasted with described glass fibre mat surface lining layer by adhesive.
In a preferred embodiment of the present invention, described composite foaming cement plate is made by cement, flyash, hydrophober, water reducing agent, exciting agent, anti-crack fiber, water and composite foamable agent, and the parts by weight proportioning of each component is:
Cement 70-90 part,
Flyash 10-30 part,
Hydrophober 0.6-3.0 part,
Water reducing agent 0.12-0.30 part,
Exciting agent 1.0-2.5 part
Anti-crack fiber 0.3-0.50 part,
Water 30-60 part,
Composite foamable agent 4-8 part.
In a preferred embodiment of the present invention, the dry density of described composite foaming cement plate is less than 250 kg/m
3
In a preferred embodiment of the present invention, described adhesive is made by following materials of weight proportions: cement 60-80 part, redispersable latex powder 5-10 part and water 30-40 part.
In a preferred embodiment of the present invention, described cement is Portland cement or portland cement, and described flyash is I level flyash.
In a preferred embodiment of the present invention, described hydrophober is stearate, and described water reducing agent is a kind of in naphthalene series high-efficiency water-reducing agent, melamine series high-efficiency water-reducing agent and the polycarboxylic acid series high efficiency water reducing agent.
In a preferred embodiment of the present invention, described exciting agent is one or more mixing in triethanolamine, potassium hydroxide, nitrate, nitrite, sodium sulphate, sodium carbonate and the lithium chloride, and described anti-crack fiber is one or more mixing in modified polypropylene fiber, polyester fiber and the vinylon fibre.
In a preferred embodiment of the present invention, described redispersable latex powder is a kind of in copolymer, vinyl acetate/versatic acid ethylene copolymer and the acrylic acid copolymer of ethylene/vinyl acetate.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of fiber cement to strengthen the preparation method of FC warming plate, may further comprise the steps:
(1) preparation adhesive: cement, redispersable latex powder according to weight proportion mixing 3-6 minute, are mixed, add water again and stirred 2-4 minute, get final product;
(2) preparation of composite foaming cement plate;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 1-3 days, namely obtain fiber cement and strengthen the FC warming plate.
In a preferred embodiment of the present invention, the preparation of described composite foaming cement plate is according to following steps:
(1) according to each component of proportioning weighing;
(2) add water earlier, anti-crack fiber, water reducing agent, hydrophober, cement and flyash, stirred 2-3 minute, add exciting agent again, stirred 1-2 minute, add composite foamable agent then, stir 5-10 second, make slurry;
(3) slurry that step (2) is made is put into mould, quietly stops form removal in 4-6 hour, cutting after 24 hours, packing, and maintenance to 14 day gets final product.
The invention has the beneficial effects as follows: the present invention all is pasted with glass fibre mat surface lining layer by adhesive with the upper and lower surface of composite foaming cement plate and four sides, it is big to have overcome composite foaming cement plate fragility, easy to crack, the water absorption rate height, shortcomings such as dry linting is serious, this composite insulation boards has water absorption rate low (water absorption rate is less than 5%), the mechanical property excellence, coefficient of thermal conductivity is low, good integrity, do not ftracture, the fire prevention of A level, with building with advantages such as life-spans, can be applied to external thermal insulation system, the fire barrier, in the heat preservation decoration integrative, it can be widely used in the external thermal insulation system as an A level fire-retardant heat-insulation material.
Description of drawings
Fig. 1 is the structural representation that fiber cement of the present invention strengthens one preferred embodiment of FC warming plate;
The mark of each parts is as follows in the accompanying drawing: 1, composite foaming cement plate, 2, adhesive, 3, glass fibre mat surface lining layer.
The specific embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1, a kind of fiber cement strengthens the FC warming plate, comprise composite foaming cement plate 1, adhesive 2 and glass fibre mat surface lining layer 3, the upper and lower surface of described composite foaming cement plate 1 and four sides thereof all are pasted with described glass fibre mat surface lining layer 3 by adhesive 2.
Wherein, described composite foaming cement plate is made by cement, flyash, hydrophober, water reducing agent, exciting agent, anti-crack fiber, water and composite foamable agent, and the parts by weight proportioning of each component is:
Cement 70-90 part,
Flyash 10-30 part,
Hydrophober 0.6-3.0 part,
Water reducing agent 0.12-0.30 part,
Exciting agent 1.0-2.5 part
Anti-crack fiber 0.3-0.50 part,
Water 30-60 part,
Composite foamable agent 4-8 part.
Wherein, the dry density of described composite foaming cement plate is less than 250 kg/m
3
Wherein, described adhesive is made by following materials of weight proportions: cement 60-80 part, redispersable latex powder 5-10 part and water 30-40 part.
Preferably, described cement is Portland cement or portland cement, and described flyash is I level flyash.
Preferably, described hydrophober is stearate, and described water reducing agent is a kind of in naphthalene series high-efficiency water-reducing agent, melamine series high-efficiency water-reducing agent and the polycarboxylic acid series high efficiency water reducing agent.
Preferably, described exciting agent is one or more mixing in triethanolamine, potassium hydroxide, nitrate, nitrite, sodium sulphate, sodium carbonate and the lithium chloride, and described anti-crack fiber is one or more mixing in modified polypropylene fiber, polyester fiber and the vinylon fibre.
Preferably, described redispersable latex powder is a kind of in copolymer, vinyl acetate/versatic acid ethylene copolymer and the acrylic acid copolymer of ethylene/vinyl acetate.
Fiber cement strengthens the preparation method of FC warming plate, and its preparation process is as follows:
(1) preparation adhesive: cement, redispersable latex powder according to weight proportion mixing 3-6 minute, are mixed, add water again and stirred 2-4 minute, get final product;
(2) preparation of composite foaming cement plate;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 1-3 days, namely obtain fiber cement and strengthen the FC warming plate.
Preferably, the preparation of described composite foaming cement plate is according to following steps:
(1) according to each component of proportioning weighing;
(2) add water earlier, anti-crack fiber, water reducing agent, hydrophober, cement and flyash, stirred 2-3 minute, add exciting agent again, stirred 1-2 minute, add composite foamable agent then, stir 5-10 second, make slurry;
(3) slurry that step (2) is made is put into mould, quietly stops form removal in 4-6 hour, cutting after 24 hours, packing, and maintenance to 14 day gets final product.
Embodiment 1
Fiber cement strengthens the preparation method of FC warming plate, and its preparation process is as follows:
(1) preparation adhesive: with 60 parts of cement, 9 parts of redispersable latex powders, mixing 3 minutes, mix, add 31 parts of water again and stirred 2 minutes, get final product;
(2) preparation of composite foaming cement plate: a, according to 80 parts of proportioning weighing Portland cements, 20 parts in flyash, 1.0 parts of hydrophober, 0.20 part of water reducing agent, 1.5 parts of exciting agents, 0.36 part of anti-crack fiber, 50 parts in water, 5 parts of composite foamable agents; B, at first add water, anti-crack fiber, water reducing agent, hydrophober, Portland cement and flyash, stirred 3 minutes, add exciting agent again, stirred 1 minute, add composite foamable agent then, stirred 5 seconds, make slurry; C, slurry is put into mould, quietly stop form removal in 5 hours, cutting after 24 hours, packing, maintenance got final product in 14 days;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 3 days, namely obtain fiber cement and strengthen the FC warming plate.
Embodiment 2
Fiber cement strengthens the preparation method of FC warming plate, and its preparation process is as follows:
(1) preparation adhesive: with 70 parts of cement, 8 parts of redispersable latex powders, mixing 4 minutes, mix, add 35 parts of water again and stirred 3 minutes, get final product;
(2) preparation of composite foaming cement plate: a, according to 90 parts of proportioning weighing Portland cements, 10 parts in flyash, 2.0 parts of hydrophober, 0.25 part of water reducing agent, 2.0 parts of exciting agents, 0.36 part of anti-crack fiber, 48 parts in water, 6 parts of composite foamable agents; B, at first add water, anti-crack fiber, water reducing agent, hydrophober, Portland cement and flyash, stirred 3 minutes, add exciting agent again, stirred 2 minutes, add composite foamable agent then, stirred 7 seconds, make slurry; C, slurry is put into mould, quietly stop form removal in 4 hours, cutting after 24 hours, packing, maintenance got final product in 14 days;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 3 days, namely obtain fiber cement and strengthen the FC warming plate.
Embodiment 3
Fiber cement strengthens the preparation method of FC warming plate, and its preparation process is as follows:
(1) preparation adhesive: with 80 parts of cement, 5 parts of redispersable latex powders, mixing 6 minutes, mix, add 40 parts of water again and stirred 2 minutes, get final product;
(2) preparation of composite foaming cement plate: a, according to 80 parts of proportioning weighing Portland cements, 20 parts in flyash, 1.8 parts of hydrophober, 0.25 part of water reducing agent, 1.8 parts of exciting agents, 0.40 part of anti-crack fiber, 48 parts in water, 7 parts of composite foamable agents; B, at first add water, anti-crack fiber, water reducing agent, hydrophober, Portland cement and flyash, stirred 2 minutes, add exciting agent again, stirred 2 minutes, add composite foamable agent then, stirred 10 seconds, make slurry; C, slurry is put into mould, quietly stop form removal in 6 hours, cutting after 24 hours, packing, maintenance got final product in 14 days;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 3 days, namely obtain fiber cement and strengthen the FC warming plate.
Implementing physical property that 1-embodiment 3 prepared fiber cements strengthen the FC warming plate, to detect index as shown in table 1.
Table 1
| Project | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Dry density | kg/m3 | 220 | 225 | 210 |
| Coefficient of thermal conductivity | W/(m·k) | 0.0564 | 0.0565 | 0.0560 |
| Compressive strength | MPa | 0.52 | 0.56 | 0.50 |
| Tensile strength | MPa | 0.15 | 0.15 | 0.15 |
| Water absorption rate (V/V) | % | 3.6 | 3.0 | 3.2 |
| Drying shrinkage value | mm/m | 0.50 | 0.42 | 0.38 |
| The carbonization coefficient | - | 0.88 | 0.85 | 0.87 |
| Coefficient of softening | - | 0.86 | 0.86 | 0.82 |
The present invention all is pasted with glass fibre mat surface lining layer by adhesive with the upper and lower surface of composite foaming cement plate and four sides, it is big to have overcome composite foaming cement plate fragility, easy to crack, the water absorption rate height, shortcomings such as dry linting is serious, this composite insulation boards has water absorption rate low (water absorption rate is less than 5%), the mechanical property excellence, coefficient of thermal conductivity is low, good integrity, do not ftracture, the fire prevention of A level, with building with advantages such as life-spans, can be applied to external thermal insulation system, the fire barrier, in the heat preservation decoration integrative, it can be widely used in the external thermal insulation system as an A level fire-retardant heat-insulation material.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes manual of the present invention to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a fiber cement strengthens the FC warming plate, it is characterized in that, comprise composite foaming cement plate, adhesive and glass fibre mat surface lining layer, the upper and lower surface of described composite foaming cement plate and four sides thereof all are pasted with described glass fibre mat surface lining layer by adhesive.
2. glass fibre mat complex cement warming plate according to claim 1, it is characterized in that, described composite foaming cement plate is made by cement, flyash, hydrophober, water reducing agent, exciting agent, anti-crack fiber, water and composite foamable agent, and the parts by weight proportioning of each component is:
Cement 70-90 part,
Flyash 10-30 part,
Hydrophober 0.6-3.0 part,
Water reducing agent 0.12-0.30 part,
Exciting agent 1.0-2.5 part
Anti-crack fiber 0.3-0.50 part,
Water 30-60 part,
Composite foamable agent 4-8 part.
3. fiber cement according to claim 1 strengthens the FC warming plate, it is characterized in that the dry density of described composite foaming cement plate is less than 250 kg/m
3
4. glass fibre mat complex cement warming plate according to claim 1 is characterized in that described adhesive is made by following materials of weight proportions: cement 60-80 part, redispersable latex powder 5-10 part and water 30-40 part.
5. fiber cement according to claim 2 strengthens the FC warming plate, it is characterized in that described cement is Portland cement or portland cement, and described flyash is I level flyash.
6. fiber cement according to claim 2 strengthens the FC warming plate, it is characterized in that described hydrophober is stearate, and described water reducing agent is a kind of in naphthalene series high-efficiency water-reducing agent, melamine series high-efficiency water-reducing agent and the polycarboxylic acid series high efficiency water reducing agent.
7. fiber cement according to claim 2 strengthens the FC warming plate, it is characterized in that, described exciting agent is one or more mixing in triethanolamine, potassium hydroxide, nitrate, nitrite, sodium sulphate, sodium carbonate and the lithium chloride, and described anti-crack fiber is one or more mixing in modified polypropylene fiber, polyester fiber and the vinylon fibre.
8. fiber cement according to claim 4 strengthens the FC warming plate, it is characterized in that, described redispersable latex powder is a kind of in copolymer, vinyl acetate/versatic acid ethylene copolymer and the acrylic acid copolymer of ethylene/vinyl acetate.
9. fiber cement according to claim 1 strengthens the preparation method of FC warming plate, it is characterized in that, may further comprise the steps:
(1) preparation adhesive: cement, redispersable latex powder according to weight proportion mixing 3-6 minute, are mixed, add water again and stirred 2-4 minute, get final product;
(2) preparation of composite foaming cement plate;
(3) upper and lower surface of Zhi Bei composite foaming cement plate and four sides thereof all are pasted with glass fibre mat surface lining layer by adhesive, place 1-3 days, namely obtain fiber cement and strengthen the FC warming plate.
10. fiber cement according to claim 9 strengthens the preparation method of FC warming plate, it is characterized in that, the preparation of described composite foaming cement plate is according to following steps:
(1) according to each component of proportioning weighing;
(2) add water earlier, anti-crack fiber, water reducing agent, hydrophober, cement and flyash, stirred 2-3 minute, add exciting agent again, stirred 1-2 minute, add composite foamable agent then, stir 5-10 second, make slurry;
(3) slurry that step (2) is made is put into mould, quietly stops form removal in 4-6 hour, cutting after 24 hours, packing, and maintenance to 14 day gets final product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723973A (en) * | 2013-12-18 | 2014-04-16 | 江苏尼高科技有限公司 | Fiber-reinforced cement lightweight insulating FLIC board and preparation method thereof |
| CN106278354A (en) * | 2016-08-31 | 2017-01-04 | 张家口市凯博风房地产开发有限公司 | A kind of external-wall heat-insulation material and preparation method thereof |
| CN110229017A (en) * | 2019-06-24 | 2019-09-13 | 武汉理工大学 | Glass fibre laminated film and building light-weight partition wall batten and preparation method thereof |
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2013
- 2013-05-24 CN CN2013101961834A patent/CN103266674A/en active Pending
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| EP0296067A1 (en) * | 1987-06-19 | 1988-12-21 | GIAT Industries | Lightweight sandwich panel used for making heat- and shockresistant multilayer structures |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723973A (en) * | 2013-12-18 | 2014-04-16 | 江苏尼高科技有限公司 | Fiber-reinforced cement lightweight insulating FLIC board and preparation method thereof |
| CN106278354A (en) * | 2016-08-31 | 2017-01-04 | 张家口市凯博风房地产开发有限公司 | A kind of external-wall heat-insulation material and preparation method thereof |
| CN106278354B (en) * | 2016-08-31 | 2017-11-03 | 张家口市凯博风房地产开发有限公司 | A kind of external-wall heat-insulation material and preparation method thereof |
| CN110229017A (en) * | 2019-06-24 | 2019-09-13 | 武汉理工大学 | Glass fibre laminated film and building light-weight partition wall batten and preparation method thereof |
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Application publication date: 20130828 |