CN103265262B - Inorganic composite insulation board and preparation method thereof - Google Patents
Inorganic composite insulation board and preparation method thereof Download PDFInfo
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- CN103265262B CN103265262B CN201310137488.8A CN201310137488A CN103265262B CN 103265262 B CN103265262 B CN 103265262B CN 201310137488 A CN201310137488 A CN 201310137488A CN 103265262 B CN103265262 B CN 103265262B
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Abstract
The invention provides an inorganic composite insulation board and a preparation method thereof, belonging to the technical field of novel building insulation materials. The inorganic composite insulation board is characterized by comprising the following components by weight parts: 40-48 parts of expanded perlite, 5-15 parts of phenolic foam particles, 32-36 parts of an inorganic binder, 2-6 parts of an organic reinforcing agent, 2-3 parts of a waterproof agent, 2-3 parts of inorganic enhance fibers, 1-2 parts of a hardening agent, and 1-2 parts of a fire retardant. The above raw materials are fully stirred, compressed, molded, and dried under a constant temperature to prepare the inorganic composite insulation board, and the board has advantages of good thermal insulation performance, light weight, small thermal conductivity coefficient, good stability, high intensity, convenient construction, etc., and can be widely applied in roofs and walls of various industrial and civil buildings, waterproofing and insulation of cold storages, barns and basements, as well as various cold insulation engineering.
Description
Technical field
The invention belongs to new building insulation material technical field, be specifically related to a kind of inorganic composite heat-preserving plate and preparation method thereof.
Background technology
Along with the arrival of low-carbon economy, China requires also more and more high to building energy conservation.Current various building thermal insulation material reaches tens kinds, is that a hundred flowers blossom.Based on the organic heat-insulating sheet material of styrofoam (EPS), extruded sheet (XPS), urethane (PU), account for more than 90% of whole lagging material market.Although the thermal and insulating performance of organic heat-insulating sheet material is given prominence to, then slightly inferior in fire-retardant fireproof performance.In recent years, the fire that the various places such as Shanghai, Beijing, Shenyang are caused because of organic heat-insulating sheet material, causes the extensive concern of the whole society, and market urgently needs not only energy-conservation but also fp building heat preservation sheet material.
In existing inorganic heat insulation material, multicellular glass, foamed aluminium, foamed ceramics, although the fiber heat preservation material fire resistances such as rock wool mineral wool can reach requirement, but consider price, construction operability, the factors such as environmental protection and energy saving, all cannot become the lagging material mainstream product in the market.Wherein, it is low that cement insulation board has thermal conductivity, and high insulating effect is not burnt, the advantages such as waterproof, its shortcoming is: easily hollowing, and intensity is low, water-intake rate is high, although be rapidly developed in recent years, the long durability being applied to architectural exterior insulation is not yet investigated.
In the composite insulation boards patent of existing application, the overwhelming majority is the compound of the mineral-type material such as pearlstone and cement, rock wool, flyash, drift pearl, vermiculite, Calucium Silicate powder, silica sand, although this kind of way can obtain the warming plate of excellent fireproof performance, thermal and insulating performance is slightly not enough.A class is exactly the organo-mineral complexing of pearlstone and granules of polystyrene in addition, but granules of polystyrene easily burns and produces toxic substance, therefore affects to some extent the flame retardant properties of heat preservation plate material.
New building insulation material research and development, have caused the attention of national correlation department.Key problem is while realizing building energy conservation more than 65%, guarantees fire safety and the work-ing life of building.Consider the feature of organic insulation material and inorganic heat insulation material, organic and inorganic composite materials is the developing direction in external-wall heat-insulation material future.
Summary of the invention
For problems of the prior art, the object of the invention is providing a kind of inorganic composite heat-preserving plate and preparation method thereof.
The present invention is realized by the following technical programs:
Described a kind of inorganic composite heat-preserving plate, is characterized in that being made up of the component of following parts by weight:
Pearlstone 40-48 part
Phenol formaldehyde foam particle 5-15 part
Mineral binder bond 32-36 part
Organic reinforcing agent 2-6 part
Water-resisting agent 2-3 part
Inorganic reinforcing fiber 2-3 part
Hardening agent 1-2 part
Fire retardant 1-2 part.
Described a kind of inorganic composite heat-preserving plate, is characterized in that being made up of the component of following weight part:
Pearlstone 43-45 part
Phenol formaldehyde foam particle 10-15 part
Mineral binder bond 33-35 part
Organic reinforcing agent 3-5 part
Water-resisting agent 2.5-3 part
Inorganic reinforcing fiber 2-2.5 part
Hardening agent 1.5-2 part
Fire retardant 1-1.5 part.
Described a kind of inorganic composite heat-preserving plate, it is characterized in that described pearlstone unit weight is 50-90kg/m3, particle diameter is 1-5mm.
Described a kind of inorganic composite heat-preserving plate, is characterized in that described phenol formaldehyde foam particle unit weight is 18-20kg/m
3, particle diameter is 0.5-5mm.
Described a kind of inorganic composite heat-preserving plate, it is characterized in that described mineral binder bond is water glass, modulus 3.1-3.3, Baume concentration is 40.
Described a kind of inorganic composite heat-preserving plate, it is characterized in that described organic reinforcing agent is organosilicon crylic acid latex, water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, and Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate.
The preparation method of described a kind of inorganic composite heat-preserving plate, is characterized in that by following processing step:
1) pearlstone, phenol formaldehyde foam particle are put into stirrer, mixing and stirring;
2) under the state stirred, in step 1) gained mixture, mineral binder bond, organic reinforcing agent, water-resisting agent, inorganic reinforcing fiber, fire retardant, Hardening agent is added successively, mixing and stirring;
3) by step 2) mixture of gained, pour extrusion forming in fixed mould into, hydropress pressure 30-60Mpa;
4) by the sheet material of step 3) gained, put into constant temperature oven and dry, after cooling, pack warehouse-in.
The preparation method of described a kind of inorganic composite heat-preserving plate, it is characterized in that the rotating speed of stirrer in described step 1) is 80-120 rev/min, the mix and blend time is half an hour.
The preparation method of described a kind of inorganic composite heat-preserving plate, is characterized in that described step 2) in churning time be 35-50 minute.
The preparation method of described a kind of inorganic composite heat-preserving plate, it is characterized in that in described step 4), oven for drying temperature is 120-150 DEG C, drying time is 1.5 hours.
The phenol formaldehyde foam particle that the present invention mainly adopts, has independently micro cellular foam, its good heat resistance, and low temperature contractibility is little, and excellent uninflammability and thermal and insulating performance, do not burn at 2000 DEG C of temperature, and without drippage, just surface is easily in charring layer.Adopt the warming plate that phenol formaldehyde foam is obtained, heat-insulating property and fire resistance are all better than polystyrene thermal insulation plate.
The present invention regulates the density of sheet material mainly through pressure.Rationally composite by pearlstone and phenol formaldehyde foam particle, ensure that warming plate has the flame-retarding characteristic of inorganic heat insulation material, has taken into account again the thermal and insulating performance of organic insulation material.The use of water glass, organosilicon crylic acid latex, fibrous magnesium silicate, improves the resistance to compression of warming plate, anti-folding, rupture strength simultaneously.In addition, adding of water-resisting agent, ensure that the height water resistance of warming plate.
Inorganic composite heat-preserving plate of the present invention, it not only has the feature of the waterproof of common hydrophobic pearlite goods, insulation, heat insulation, lightweight, but also have that intensity is high, fire-resistant, stable performance, nontoxic, not mould, be stale-proof, the advantage such as easy construction.Particularly hydrophobicity performance is good, and hydrophobic rate can reach more than 98%, is widely used in the waterproof of all types of industries building, the roofing of covil construction, body of wall, freezer, silo and vault, insulation, heat insulation and all kinds of prepressing reserving works.
Embodiment
Embodiment 1
Get pearlstone 45 parts and phenol formaldehyde foam particle 10 parts, put into stirrer for mixing and stir half an hour, when continuing to stir, 35 parts of mineral binder bonds, 3 parts of organic reinforcing agent, 2 parts of water-resisting agents, 2 parts of inorganic reinforcing fibers, 1 part of fire retardant, 1 part of Hardening agent is added successively in said mixture, mix and blend obtains mixture in 50 minutes, mixture is poured in fixed mould, under hydropress pressure 30-60Mpa, extrusion forming both obtained sheet material, constant temperature oven sheet material being put into temperature 150 DEG C is dried 1.5 hours, packs warehouse-in after cooling.
Wherein stirrer rotating speed is 80 revs/min, and the unit weight of pearlstone is 50-90kg/m3, and particle diameter is 1-5mm, phenol formaldehyde foam particle unit weight is 18-20kg/m3, particle diameter is 0.5-5mm, and mineral binder bond is water glass, modulus 3.1-3.3, Baume concentration is 40, organic reinforcing agent is organosilicon crylic acid latex, and water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate.
Embodiment 2
Get pearlstone 40 parts and phenol formaldehyde foam particle 15 parts, put into stirrer for mixing and stir half an hour, when continuing to stir, 32 parts of mineral binder bonds, 6 parts of organic reinforcing agent, 2 parts of water-resisting agents, 2 parts of inorganic reinforcing fibers, 1 part of fire retardant, 2 parts of Hardening agent are added successively in said mixture, mix and blend obtains mixture in 45 minutes, mixture is poured in fixed mould, under hydropress pressure 30-60Mpa, extrusion forming both obtained sheet material, constant temperature oven sheet material being put into temperature 140 DEG C is dried 1.5 hours, packs warehouse-in after cooling.
Wherein stirrer rotating speed is 80 revs/min, and the unit weight of pearlstone is 50-90kg/m3, and particle diameter is 1-5mm, phenol formaldehyde foam particle unit weight is 18-20kg/m3, particle diameter is 0.5-5mm, and mineral binder bond is water glass, modulus 3.1-3.3, Baume concentration is 40, organic reinforcing agent is organosilicon crylic acid latex, and water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate.
Embodiment 3
Get pearlstone 48 parts and phenol formaldehyde foam particle 5 parts, put into stirrer for mixing and stir half an hour, when continuing to stir, 36 parts of mineral binder bonds, 2 parts of organic reinforcing agent, 3 parts of water-resisting agents, 3 parts of inorganic reinforcing fibers, 2 parts of fire retardants, 1 part of Hardening agent is added successively in said mixture, mix and blend obtains mixture in 40 minutes, mixture is poured in fixed mould, under hydropress pressure 30-60Mpa, extrusion forming both obtained sheet material, constant temperature oven sheet material being put into temperature 130 DEG C is dried 1.5 hours, packs warehouse-in after cooling.
Wherein stirrer rotating speed is 80 revs/min, and the unit weight of pearlstone is 50-90kg/m3, and particle diameter is 1-5mm, phenol formaldehyde foam particle unit weight is 18-20kg/m3, particle diameter is 0.5-5mm, and mineral binder bond is water glass, modulus 3.1-3.3, Baume concentration is 40, organic reinforcing agent is organosilicon crylic acid latex, and water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate.
Embodiment 4
Get pearlstone 43 parts and phenol formaldehyde foam particle 13 parts, put into stirrer for mixing and stir half an hour, when continuing to stir, 33 parts of mineral binder bonds, 5 parts of organic reinforcing agent, 2.5 parts of water-resisting agents, 2.5 parts of inorganic reinforcing fibers, 1.5 parts of fire retardants, 1.5 parts of Hardening agent are added successively in said mixture, mix and blend obtains mixture in 35 minutes, mixture is poured in fixed mould, under hydropress pressure 30-60Mpa, extrusion forming both obtained sheet material, constant temperature oven sheet material being put into temperature 120 DEG C is dried 1.5 hours, packs warehouse-in after cooling.
Wherein stirrer rotating speed is 80 revs/min, and the unit weight of pearlstone is 50-90kg/m3, and particle diameter is 1-5mm, phenol formaldehyde foam particle unit weight is 18-20kg/m3, particle diameter is 0.5-5mm, and mineral binder bond is water glass, modulus 3.1-3.3, Baume concentration is 40, organic reinforcing agent is organosilicon crylic acid latex, and water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate.
Adopt inorganic composite heat-preserving plate prepared by formula of the present invention and method, there is good heat insulating, the advantages such as unit weight is light, thermal conductivity is little, good stability, intensity are high, easy construction, are widely used in the waterproof of all types of industries building, the roofing of covil construction, body of wall, freezer, silo and vault, insulation, heat insulation and all kinds of prepressing reserving works.Inorganic composite heat-preserving plate of the present invention has following technical indicator: 1) dry density is 215kg/m
3; 2) thermal conductivity is 0.072 w/mk; 3) ultimate compression strength is 0.51 MPa; 4) hydrophobic rate is 99.4%; 5) water ratio is 1.6%; 6) use temperature scope is-40-600 DEG C; 7) flame retardant properties is A level (not firing).
Claims (5)
1. an inorganic composite heat-preserving plate, is characterized in that being made up of the component of following weight part:
Pearlstone 43-45 part
Phenol formaldehyde foam particle 10-15 part
Mineral binder bond 33-35 part
Organic reinforcing agent 3-5 part
Water-resisting agent 2.5-3 part
Inorganic reinforcing fiber 2-2.5 part
Hardening agent 1.5-2 part
Fire retardant 1-1.5 part
Described phenol formaldehyde foam particle unit weight is 18-20kg/m
3, particle diameter is 0.5-5mm;
Mineral binder bond is water glass, modulus 3.1-3.3, and Baume concentration is 40;
Described organic reinforcing agent is organosilicon crylic acid latex, and water-resisting agent is sodium methyl silicate, and inorganic reinforcing fiber is fibrous magnesium silicate, and Hardening agent is Sodium Silicofluoride, and fire retardant is zinc borate;
Described inorganic composite heat-preserving plate, prepare by following processing step:
1) pearlstone, phenol formaldehyde foam particle are put into stirrer, mixing and stirring;
2) under the state stirred, in step 1) gained mixture, mineral binder bond, organic reinforcing agent, water-resisting agent, inorganic reinforcing fiber, fire retardant, Hardening agent is added successively, mixing and stirring;
3) by step 2) mixture of gained, pour extrusion forming in fixed mould into, hydropress pressure 30-60MPa;
4) by the sheet material of step 3) gained, put into constant temperature oven and dry, after cooling, pack warehouse-in.
2. a kind of inorganic composite heat-preserving plate according to claim 1, it is characterized in that described pearlstone unit weight is 50-90kg/m3, particle diameter is 1-5mm.
3. a kind of inorganic composite heat-preserving plate according to claim 1, it is characterized in that the rotating speed of stirrer in described step 1) is 80-120 rev/min, the mix and blend time is half an hour.
4. a kind of inorganic composite heat-preserving plate according to claim 1, is characterized in that described step 2) in churning time be 35-50 minute.
5. a kind of inorganic composite heat-preserving plate according to claim 1, it is characterized in that in described step 4), oven for drying temperature is 120-150 DEG C, drying time is 1.5 hours.
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| CN201310137488.8A CN103265262B (en) | 2013-04-19 | 2013-04-19 | Inorganic composite insulation board and preparation method thereof |
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| CN201310137488.8A CN103265262B (en) | 2013-04-19 | 2013-04-19 | Inorganic composite insulation board and preparation method thereof |
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| CN103265262B true CN103265262B (en) | 2015-02-18 |
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Application publication date: 20130828 Assignee: Anhui Lide Energy Saving Science & Technology Co., Ltd. Assignor: Anhui Xiangbian Insulation Material Co., Ltd. Contract record no.: 2015340000084 Denomination of invention: Inorganic composite insulation board and preparation method thereof Granted publication date: 20150218 License type: Exclusive License Record date: 20150615 |
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Assignee: Anhui Lide Energy Saving Science & Technology Co., Ltd. Assignor: Anhui Xiangbian Insulation Material Co., Ltd. Contract record no.: 2015340000084 Date of cancellation: 20160711 |
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