CN103274660A - Light building composite material and preparation method thereof - Google Patents
Light building composite material and preparation method thereof Download PDFInfo
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- CN103274660A CN103274660A CN2013102355121A CN201310235512A CN103274660A CN 103274660 A CN103274660 A CN 103274660A CN 2013102355121 A CN2013102355121 A CN 2013102355121A CN 201310235512 A CN201310235512 A CN 201310235512A CN 103274660 A CN103274660 A CN 103274660A
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Abstract
The invention discloses a light building composite material which comprises the components in percentage by mass as follows: 20-35% of plaster, 20-35% of water-dilutable amino resin, 20-50% of water-dilutable polyester resin, 1-5% of glass fibers, 1-3% of nanosilicon dioxide, 1-9% of sodium bicarbonate, 1-5% of KH570 and 1-5% of oleic acid. The invention further discloses a preparation method of the light building composite material. The light building composite material is small in product unit weight, heat conductivity coefficient and density and high in strength. Specific indexes are as follows: the density is 250-358 kg/m<3>, the thermal conductivity is 0.030-0.080 w/m DEG C, and the compressive strength is 10-15 MPa.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of light-weight building matrix material and preparation method thereof.
Background technology
Gypsum is a class material of meeting water hardening, and in process of setting, because the restriction of material itself, common intensity is less, and is more crisp.Gypsum comprises sulfuric acid gypsum, phosphoric acid gypsum, citric acid gypsum, fluorgypsum, chromium gypsum, boron gypsum and titanium gypsum.Wherein, it is industrial waste that quite a few material is arranged, the often abandoned of these materials, and be not fully utilized and develop, even the material that is utilized, mostly use as a kind of plasterboard, effect of heat insulation is poor, is unfavorable for energy-conservationly, and relative density is big, intensity is little, can not use as a kind of light building material; Simultaneously, because the problem in source, there is certain difference in its character, thereby the unstable properties of product.The gypsum material of greater part is the rubbish of Industrial products, and accumulation is got up, and has polluted environment, reasonably uses these materials that the development and use of environmental protection and refuse are had significant values.
In these industrial raw material processes of use, it is found that, these material industry sources are wide, performance has certain difference, in the process of utilizing, performance has certain fluctuations because place of production source is different, and single employing gypsum uses also can use because of the material difference as material of construction and is restricted, and how these waste materials that are considered to industry is become that a kind of not influenced by raw material be urgent problem.Therefore, utilize gypsum to meet water hardening, prepare a kind of heat insulation material.
In recent years, China's building field develop rapidly, requirement to material of construction is also more and more higher, especially for some special places, the material of construction of ceilings such as drome, large-scale exhibition center, subway, subway and storage room for example, it not only requires to have certain intensity, and requires leakproof, heat insulating, fire prevention, light weight.At present, the resin-based materials of use, though density is little, proportion is little, lightweight, leakproof, but presence of fire easily, and along with the rising of temperature can volatilize poisonous organism, the roof that therefore is not suitable for large-scale public place uses.And the roof in traditional material of construction and materials for wall mainly are the materials of being made by cement, brick and timber etc., yet because of the density height, than great, intensity difference, not humidity and corrosion, so also be not suitable for the roof of large-scale public place.Important in a kind of New Building Materials is light building material.Light building material can be subdivided into plasterboard, plastering and similar light building material.Gypsum lath is main material with gypsum, adds Portland cement, pearlstone and the extrusion molding of middle alkali plastic-coated grid cloth and forms through natural curing.Gypsum is a kind of both ancient and modern material, purposes suitable extensively, have fire prevention, breathe freely and the characteristic of moisture absorption.The gypsum base building materials have tangible energy-saving and environmental protection and are conducive to healthy characteristics of the times, and gypsum-based material is light, ventilative, good, the beautiful decoration of fire line, and has certain temperature adjustment, damping effect, is the good selection of upholstery.Light building material will develop to the direction of environmental protection, energy-conservation, green, compound, blending technology, multifunction, constantly meets the need of market.The improving constantly and improving of light building material quality and function, the usage quantity of following light building material will significantly promote.
Summary of the invention
Goal of the invention: the objective of the invention is at the gypsum material wide material sources, the problem of unstable properties, providing a kind of is that having of raw material is heat insulation, the light-weight building matrix material of high-intensity performance with the gypsum, is not subjected to the influence in gypsum raw material source.
Another object of the present invention is to provide the preparation method of this light-weight building matrix material.
Technical scheme: light-weight building matrix material of the present invention is by organic materials and the compound material of inorganic materials, comprises following component:
Gypsum 20～35%;
Water-compatible amino resin 20～35%;
Aqueous polyester resin 20～50%;
Glass fibre 1-5%;
Nano silicon 1-3%;
Sodium bicarbonate 1～9%;
KH570 1～5%；
Oleic acid 1～5%;
Below all by percentage to the quality.
Among the present invention, described gypsum can comprise: the mixture of any one or a few in sulfuric acid gypsum, phosphoric acid gypsum, citric acid gypsum, fluorgypsum, chromium gypsum, boron gypsum, the titanium gypsum, the present invention preferably uses the sulfuric acid gypsum.Component of the present invention is compared with conventional gelatinous material, has increased the aqueous high molecular material, and has introduced linking agent, and this characteristics cause the shock resistance of material and heat retaining property better.
Described water-compatible amino resin is to contain amino in the molecular structure, is the product by amine or acid amides and formaldehyde reaction gained, can be methyl-etherified aminoresin, butyl ether aminoresin or their mixture, preferred methyl-etherified aminoresin.Water-compatible amino resin and aqueous polyester resin are used among the present invention, are the linking agent uses as aqueous polyester resin.
Described aqueous polyester resin refers to introduce a kind of ion type copolyester of ionic structure unit in molecular chain, in structure except containing hydroxyl, contain carboxyl and polyoxyethylene block hydrophilic radical or segment, the general water-based hydroxyl group containing polyester resin of selecting, its reason are that curing speed, the effect that cooperates with the gypsum gelatinous material are even more ideal.
Described glass fibre is 1～2 micron fiber.The present invention also can select trevira for use, PP fiber etc., preferred glass fibers among the present invention.
The preparation method of light-weight building matrix material of the present invention comprises the steps:
(1) water-compatible amino resin and aqueous polyester resin are joined in the gypsum, mechanical stirring is to even attitude;
(2) be 25:1 with nano silicon and KH570 by mass ratio, be scattered in jointly in the toluene that wherein the mass ratio of silicon-dioxide, KH570 total amount and toluene is 1:1, ultra-sonic dispersion 15 minutes, reflux is reacted stopped reaction and cooling after 1 hour, and is centrifugal; Precipitation with absolute ethanol washing for several times, drying obtains modified Nano SiO
2
(3) with the modified Nano SiO that obtains in glass fibre and the step (2)
2Joining in the mixture after step (1) is handled, is that 8000r/mi carries out high-speed stirring, supersound process with the rotating speed;
(4) oleic acid is added in the mixture after step (3) is handled, mechanical stirring is to even attitude;
(5) sodium bicarbonate is added in the mixture after step (4) is handled, mechanical stirring is to even attitude;
(6) during the mixture that step (5) is obtained is packed mould into, vacuumize de-bubble, the jolt ramming moulding, ambient cure 10 minutes, the demoulding is packaged to be described light-weight building matrix material at last.
The present invention compared with prior art, its beneficial effect is: after tested, product unit weight of the present invention is little, and thermal conductivity is little, and density is little, the intensity height, specific targets are as follows: density is 250-358kg/m
3, thermal conductivity is 0.030-0.080w/m ℃, ultimate compression strength 10-15MPa.
Embodiment
Below technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1:Light-weight building matrix material of the present invention comprises following component (mass percent):
Sulfuric acid gypsum 20%;
Water-compatible amino resin 30%;
Aqueous polyester resin 26%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 9%;
KH570 2%；
Oleic acid 5%.
The preparation method of light-weight building matrix material of the present invention comprises the steps:
(1) water-compatible amino resin and aqueous polyester resin are joined in the gypsum, mechanical stirring is to even attitude;
(2) be 25:1 with nano silicon and KH570 mass ratio, be scattered in jointly in the toluene that wherein the mass ratio of silicon-dioxide, KH570 total amount and toluene is 1:1, ultra-sonic dispersion 15 minutes, reflux is reacted stopped reaction and cooling after 1 hour, and is centrifugal; Precipitation with absolute ethanol washing for several times, drying obtains modified Nano SiO
2
(3) with the modified Nano SiO that obtains in glass fibre and the step (2)
2Joining in the mixture after step (1) is handled, is that 8000r/mi carries out high-speed stirring, supersound process with the rotating speed;
(4) oleic acid is added in the mixture after step (3) is handled, mechanical stirring is to even attitude;
(5) sodium bicarbonate is added in the mixture after step (4) is handled, mechanical stirring is to even attitude;
(6) during the mixture that step (5) is obtained is packed mould into, vacuumize de-bubble, the jolt ramming moulding, ambient cure 10 minutes, the demoulding is packaged to be described light-weight building matrix material at last.
After testing, the product density that makes of present embodiment is 250kg/cm
3, thermal conductivity is 0.030w/m ℃, ultimate compression strength is 10MPa.
Embodiment 2:Light-weight building matrix material of the present invention comprises following component (mass percent):
Phosphoric acid gypsum 35%;
Water-compatible amino resin 22%;
Aqueous polyester resin 20%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 8%;
KH570 2%；
Oleic acid 5%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 358kg/cm
3, thermal conductivity is 0.080w/m ℃, ultimate compression strength is 15MPa.
Embodiment 3:Light-weight building matrix material of the present invention comprises following component (mass percent):
Fluorgypsum 30%;
Water-compatible amino resin 27%;
Aqueous polyester resin 25%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 3%;
KH570 2%；
Oleic acid 5%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 332kg/cm
3, thermal conductivity is 0.059w/m ℃, ultimate compression strength is 13.4MPa.
Embodiment 4:Light-weight building matrix material of the present invention comprises following component (mass percent):
Boron gypsum 25%;
Water-compatible amino resin 20%;
Aqueous polyester resin 39%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 1%;
KH570 2%；
Oleic acid 5%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 276kg/cm
3, thermal conductivity is 0.047w/m ℃, ultimate compression strength is 12.1MPa.
Embodiment 5:Light-weight building matrix material of the present invention comprises following component (mass percent):
Citric acid gypsum 22%;
Water-compatible amino resin 29%;
Aqueous polyester resin 25%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 9%;
KH570 2%；
Oleic acid 5%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 282kg/cm
3, thermal conductivity is 0.0490w/m ℃, ultimate compression strength is 12.8MPa.
Embodiment 6:Light-weight building matrix material of the present invention comprises following component (mass percent):
Fluorgypsum 20%;
Water-compatible amino resin 35%;
Aqueous polyester resin 25%;
Glass fibre 5%;
Nano silicon 3%;
Sodium bicarbonate 5%;
KH570 2%；
Oleic acid 5%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 338kg/cm
3, thermal conductivity is 0.061w/m ℃, ultimate compression strength is 13.3MPa.
Embodiment 7:Light-weight building matrix material of the present invention comprises following component (mass percent):
Titanium gypsum 20%;
Water-compatible amino resin 20%;
Aqueous polyester resin 50%;
Glass fibre 5%;
Nano silicon 2%;
Sodium bicarbonate 1%;
KH570 1%；
Oleic acid 1%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 90kg/cm
3, thermal conductivity is 0.021w/m ℃, ultimate compression strength is 15.3MPa.
Embodiment 8:Light-weight building matrix material of the present invention comprises following component (mass percent):
Chromium gypsum 20%;
Water-compatible amino resin 20%;
Aqueous polyester resin 50%;
Glass fibre 5%;
Nano silicon 2%;
Sodium bicarbonate 5%;
KH570 1%；
Oleic acid 1%.
The preparation method is with embodiment 1.
After testing, the product density that makes of present embodiment is 80kg/cm
3, thermal conductivity is 0.018w/m ℃, ultimate compression strength is 13.3MPa.
As mentioned above, although represented and explained the present invention that with reference to specific preferred embodiment it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite that does not break away from the claims definition, can make various variations in the form and details to it.
Claims (7)
1. light-weight building matrix material is characterized in that comprising following component:
Gypsum 20～35%;
Water-compatible amino resin 20～35%;
Aqueous polyester resin 20～50%;
Glass fibre 1～5%;
Nano silicon 1～3%;
Sodium bicarbonate 1～9%;
KH570 1～5%；
Oleic acid 1～5%;
Below all by percentage to the quality.
2. light-weight building matrix material according to claim 1, it is characterized in that: described gypsum comprises: any one or a few in sulfuric acid gypsum, phosphoric acid gypsum, citric acid gypsum, fluorgypsum, chromium gypsum, boron gypsum or the titanium gypsum.
3. light-weight building matrix material according to claim 1, it is characterized in that: described gypsum is the sulfuric acid gypsum.
4. light-weight building matrix material according to claim 1, it is characterized in that: described glass fibre is 1～2 micron fiber.
5. light-weight building matrix material according to claim 1, it is characterized in that: described water-compatible amino resin is methyl-etherified aminoresin.
6. light-weight building matrix material according to claim 1, it is characterized in that: described aqueous polyester resin is the water-based hydroxyl group containing polyester resin.
7. the preparation method of light-weight building matrix material according to claim 1 is characterized in that comprising the steps:
(1) water-compatible amino resin and aqueous polyester resin are joined in the gypsum, mechanical stirring is to even attitude;
(2) be that 25:1 is scattered in the toluene jointly with nano silicon and KH570 according to mass ratio, wherein the mass ratio of silicon-dioxide, KH570 total amount and toluene is 1:1; Ultra-sonic dispersion 15 minutes, reflux is reacted also cooling of stopped reaction in 1 hour, and is centrifugal; Precipitation with absolute ethanol washing for several times, drying obtains modified Nano SiO
2
(3) with the modified Nano SiO that obtains in glass fibre and the step (2)
2Joining in the mixture after step (1) is handled, is that 8000r/mi carries out high-speed stirring, supersound process with the rotating speed;
(4) oleic acid is added in the mixture after step (3) is handled, mechanical stirring is to even attitude;
(5) sodium bicarbonate is added in the mixture after step (4) is handled, mechanical stirring is to even attitude;
(6) during the mixture that step (5) is obtained is packed mould into, vacuumize de-bubble, the jolt ramming moulding, ambient cure 10 minutes, the demoulding is packaged to be described light-weight building matrix material at last.
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| CN201310235512.1A CN103274660B (en) | 2013-06-14 | 2013-06-14 | Light building composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230288A (en) * | 2014-08-29 | 2014-12-24 | 明光市第二建筑安装有限责任公司 | Wall insulating material based on modified boron gypsum and preparation method thereof |
| CN105198348A (en) * | 2015-10-14 | 2015-12-30 | 苏州法斯特信息科技有限公司 | Fiber-reinforced light-weight building composite material and preparation process |
| CN114044661A (en) * | 2021-12-03 | 2022-02-15 | 贵州国锐鑫节能科技有限公司 | Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof |
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| CN1817976A (en) * | 2005-02-08 | 2006-08-16 | 庆东塞拉泰克有限公司 | Coating composition for fire retardant and sound absorption |
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| CN1817976A (en) * | 2005-02-08 | 2006-08-16 | 庆东塞拉泰克有限公司 | Coating composition for fire retardant and sound absorption |
| CN102127275A (en) * | 2011-03-16 | 2011-07-20 | 上海元琦能源科技发展有限公司 | Composition for flame-retardant polyvinyl chloride (PVC) plastic foam board, product prepared from same, and preparation method thereof |
Non-Patent Citations (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230288A (en) * | 2014-08-29 | 2014-12-24 | 明光市第二建筑安装有限责任公司 | Wall insulating material based on modified boron gypsum and preparation method thereof |
| CN104230288B (en) * | 2014-08-29 | 2016-08-03 | 安徽徽明建设集团有限公司 | A kind of wall heat insulation material based on modified boron Gypsum Fibrosum and preparation method thereof |
| CN105198348A (en) * | 2015-10-14 | 2015-12-30 | 苏州法斯特信息科技有限公司 | Fiber-reinforced light-weight building composite material and preparation process |
| CN114044661A (en) * | 2021-12-03 | 2022-02-15 | 贵州国锐鑫节能科技有限公司 | Solar heat-absorbing and heat-releasing phosphogypsum insulation board and preparation method thereof |
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Effective date of registration: 20181024 Address after: 213131 Changzhou Xinbei District, Jiangsu province. Patentee after: Changzhou new Mstar Technology Ltd Address before: No. 2, Mengxi Road, Zhenjiang, Jiangsu Province, Jiangsu Patentee before: Jiangsu University of Science and Technology |
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