A kind of inorganic fireproofing insulation material and preparation method thereof
Technical field
The invention belongs to fire-retardant heat-insulation material and preparing technical field thereof.Be specifically related to a kind of material and preparation method who reaches fire-protection rating A level and excellent heat-insulating property that have simultaneously.
Background technology
Building energy consumption is the important component part in the AND ENERGY RESOURCES CONSUMPTION IN CHINA, accounts for 30% of whole society's total energy consumption, and wherein topmost heating and air conditioning energy consumption account for 20%, and therefore, country pays much attention to the development of energy-saving building materials.Polystyrene foam (comprising XPS and EPS) and hard polyurethane foams organic insulation materials such as (PU) have that thermal conductivity is low, advantage such as wall on the light weight, good weatherability, construction with low cost and easy, obtain widespread use in building heat preservation.Though the use of these materials can reach purpose of energy saving, also brought new fire safety evaluating problem simultaneously.Flammable polystyrene foam (EPS or XPS), polyurethane foam organic insulation materials such as (PUR) are widely applied, and are the arch-criminals that prosperous mansion fire took place and big area spreads CCTV's new address annex fire, Nantong fire in high buildings, Shanghai " 11.15 " fire and Shenyang feudal dynasty ten thousand.Though the application under construction of these organic materialss makes building more energy-conservation, attractive in appearance, the frequent fire that takes place has also been beaten alarm bell to the use that a machine material is had in China.This serious situation that the fire that causes at present organic insulation material takes place frequently, in September, 2009 Ministry of Public Security and firmly the portion of building unite the notice of having printed and distributed " covil construction outer heat preservation system and decoration of exterior wall fire prevention temporary provisions ", require the building of height more than or equal to 50m, the combustionproperty of its lagging material should be the A level.Organic materials contains the hydrocarbon element of Denging because of himself, has defectives such as combustion heat value height, can't reach the fire protection requirement of A level, and the main component of the present fire prevention A level material that generally uses is inorganic materials not yet.
Inorganic materials such as perlite insulation sheet material, rock cotton board, foamed cement plate and glass fibre cotton all have certain heat-insulating property, are often used as lagging material.With the perlite is the heat preservation slurry and the sheet material of basic material, has that fire resistance is good, heat-insulating property is good, an advantage such as with low cost and easy construction, meets the requirement that present architectural exterior insulation material is necessary for A level material.But perlite sheet material thermal conductivity is generally more than 0.06, and unit weight is at 300kg/m
3For reaching same energy-conservation requirement, the thickness of perlite sheet material is the twice of organic insulation material thickness approximately, used panel weight be about organic heat-insulating sheet material weight 20-30 doubly, this brings easily a lot of problems such as tenesmus of all as above wall constructional difficulties and sheet material for practical application of perlite insulation sheet material.Shortcomings such as problem such as at present be that the inorganic fireproofing insulation material of basic material exists still that heat insulation effect is poor, unit weight is big, easily fragmentation, bad mechanical strength, nail-holding ability difference and difficulty of construction are big with the perlite.Lagging material.Rock wool has heat retaining property and fire-protection rating advantages of higher, it is a class A level heat preservation plate material that generally uses at present, but problems such as it is serious that this class sheet material also exists production energy consumption big, the easily moisture absorption, shortcoming such as difficulty of construction is big, intensity is extremely low, in use can produce easy tenesmus, surperficial mortar easily comes off and heat-insulating property descends.Foamed cement has advantages such as cost is low, easy process for processing, and fire resistance is the A level, can be used as the architecture indoor infilled wall, also be used as lagging material in recent years and use, but it belongs to hard brittle material, and difficulty of construction is big and weathering resistance is poor.Therefore, the disadvantage that all exists some to be difficult to overcome when inorganic heat preservation sheet material is used on building heat preservation at present, being badly in need of a kind of fire resistance that can address the above problem of research and development is A level inorganic fireproofing insulation material.
Summary of the invention
The objective of the invention is the problem that exists at prior art, a kind of inorganic fireproofing insulation material is provided, have fire prevention, high temperature resistant, good heat insulating, characteristics that unit weight is little.Meanwhile, the present invention also provides two kinds of methods that prepare above-mentioned inorganic fireproofing insulation material.
In order to solve the problems of the technologies described above, the technical scheme that a kind of inorganic fireproofing insulation material of the present invention is achieved is: the component of this material and parts by weight are: fortifying fibre 0.5-30 part; Light skeletal 40-65 part; Wilkinite 2-15 part; Tackiness agent 12-35 part; Inorganic gel material 5-20 part; Interfacial agents 2-10 part; Expansion polyphenyl particle 0-10 part; Water 200-260 part.
Further:
Described fortifying fibre is a kind of in glass fibre, aluminum silicate fiber, carbon fiber, polypropylene fibre, xylon, bamboo fibers and the flaxen fiber; Preferred xylon and flaxen fiber.
Described light skeletal is one or more in pearlstone, hydrophobic pearlite, closed perlite, glass bead and the expanded vermiculite; Preferred hydrophobic pearlite and glass bead.
Described glue paste is a kind of in polyvinyl alcohol and the water glass, or described glue paste is made of the component with following portions by weight: asbestos wool 15-30 part; Polyvinyl alcohol 10-30 part; Water glass 10-30 part; 100 parts in water; The polycomponent prescription that provides among preferred the present invention.
Described inorganic gel material is one or more in cement, lime, the gypsum.
Described interfacial agents is a kind of in maleic acid sulfonated ester, succinate sulfonate, sulfonated lignin and the sodium laurylsulfonate; Preferred sulfonated lignin.
Described expansion polyphenyl particle is the granular polystyrene after common expansion polyphenyl particle or recovery are pulverized, preferred fire rating B1 level flame retardant type expansion polyphenyl particle.
A kind of preparation method of inorganic fireproofing insulation material of the present invention, its step is as follows: fortifying fibre dimension, 2-10 part interfacial agents, 2-15 part wilkinite, 12-35 part tackiness agent, 0-10 part expansion polyphenyl particle and 40-65 part light skeletal of 0.5-30 part stirred 10-15 minute to mixing in agitator, it is stand-by in the sealed plastic bag that mixture is packed into; Get 56.5-165 part said mixture, and in the process that stirs, join in 200-260 part water, continue to stir 1-2 hour; Add inorganic gel material 5-20 part, stirred 10-20 minute, promptly get inorganic fireproofing insulation material; Above steps is all carried out under normal temperature, normal pressure, and stirring velocity is 60~120r/m, and the stirring that relates in each step is all carried out in volume is the agitator of 200~2000L.The material that this preparation method obtains can directly spread upon external wall as the fireproof heat insulating slurry.
The another kind of preparation method of inorganic fireproofing insulation material of the present invention, its step is as follows: the fortifying fibre of 0.5-30 part is joined in 100 parts of water that are mixed with 2-10 part interfacial agents, stirred 24 hours; Add 50-110 part water, stir and evenly spread in the aqueous solution to fiber in 10-30 minute; Add 2-15 wilkinite and 5-20 part inorganic gel material, stir and evenly be thick to wilkinite and inorganic gel dispersion of materials in 10-20 minute to slurry; Add 12-35 part tackiness agent, stirred 10-30 minute with 50 parts of water-dispersions; Add 0-10 part expansion polyphenyl particle and 40-65 part light skeletal successively, stirred 10-20 minute, import mould and be prepared into inorganic fireproofing insulation material sheet material; Above steps is all carried out under normal temperature, normal pressure, and stirring velocity is 60~120r/m, and the stirring that relates in each step is all carried out in volume is the agitator of 200~2000L.Can obtain the fire preventing and heat insulating board of definite shape by this preparation method.
Compared with prior art, the invention has the beneficial effects as follows:
(1) because the shock absorption of polyphenyl expanded granular in whipping process of adding in the inorganic heat insulation material provided by the invention can be avoided the fragmentation of perlite in whipping process, keeps its good heat-insulating property.
(2) because the interfacial agents of adding in the inorganic heat insulation material provided by the invention has consistency and the foaming effect of promoting each raw material, the foam of generation can be evenly distributed in the slurry.Simultaneously, tackiness agent and inorganic gel material maintain the foam that produces, and make to have uniform foam hole in the inorganic heat insulation material that finally makes, and have good heat-insulating property.
(3) since inorganic heat insulation material provided by the invention in exclusive foam pore space structure and wherein the interpolation fortifying fibre, make it have certain elasticity and excellent mechanical intensity.
(4) inorganic fireproofing insulation material provided by the invention not only can be used as heat preservation plate material and heat preservation slurry use, can also use as inorganic fire proof materials such as fire door core, fireproof blocking material.
(5) preparation method's maturation provided by the present invention is simple and convenient, easy handling and realization suitability for industrialized production.
Embodiment
The composition of inorganic fireproofing insulation material of the present invention is to have added a certain amount of fortifying fibre, inorganic gel material and tackiness agent in traditional perlite prescription, adds a certain amount of interfacial agents before stirring, adds a certain amount of expansion polyphenyl particle before adding light skeletal.
The component of inorganic fireproofing insulation material of the present invention and each component and parts by weight are: fortifying fibre 0.5-30 part; Light skeletal 40-65 part; Wilkinite 2-15 part; Tackiness agent 12-35 part; Inorganic gel material 5-20 part; Interfacial agents 2-10 part; Expansion polyphenyl particle 0-10 part; Water 200-260 part.
Described fortifying fibre is a kind of in glass fibre, aluminum silicate fiber, carbon fiber, polypropylene fibre, xylon, bamboo fibers and the flaxen fiber; Preferred xylon and flaxen fiber.
Described light skeletal is one or more in pearlstone, hydrophobic pearlite, closed perlite, glass bead and the expanded vermiculite; Preferred hydrophobic pearlite and glass bead.
Described glue paste is a kind of in polyvinyl alcohol and the water glass, or described glue paste is made of the component with following portions by weight: asbestos wool 15-30 part; Polyvinyl alcohol 10-30 part; Water glass 10-30 part; 100 parts in water; Among preferred the present invention
The polycomponent prescription that provides.
Described inorganic gel material is one or more in cement, lime, the gypsum.
Described interfacial agents is a kind of in maleic acid sulfonated ester, succinate sulfonate, sulfonated lignin and the sodium laurylsulfonate; Preferred sulfonated lignin.
Described expansion polyphenyl particle is the granular polystyrene after common expansion polyphenyl particle or recovery are pulverized, preferred fire rating B1 level flame retardant type expansion polyphenyl particle.
Provide embodiment below, so that the present invention is carried out concrete detailed description, it is convenience in order to understand that embodiment is provided, and never is restriction the present invention.
Material component that embodiment 1-20 is prepared and Specifeca tion speeification see the following form 1, for convenience of description, in table 1, clearly do not mark the glue paste of then filling a prescription for the polycomponent that provides among the present invention of glue paste prescription.
The configuration and the Specifeca tion speeification of table 1. embodiment material
In the table 1, embodiment 1-15, the glue paste that the used glue paste of 18-20 forms for the polycomponent prescription that provides among the present invention, wherein, the component of glue paste and parts by weight are among the embodiment 1-15: 15 parts of asbestos wools, 30 parts of polyvinyl alcohol, 10 parts of water glass and 100 parts of water; The component of used glue paste and parts by weight are among the embodiment 18: 30 parts of asbestos wools, 30 parts of polyvinyl alcohol, 10 parts of water glass and 100 parts of water; The component of used glue paste and parts by weight are among the embodiment 19: 20 parts of asbestos wools, 10 parts of polyvinyl alcohol, 10 parts of water glass and 100 parts of water; The component of used glue paste and parts by weight are among the embodiment 20: 20 parts of asbestos wools, 10 parts of polyvinyl alcohol, 30 parts of water glass and 100 parts of water.
Different according to production technique and material shape provide two kinds of different preparation methods of inorganic fireproofing insulation material slurry and sheet material respectively among the present invention.
The step of preparation slurry is as follows: fortifying fibre dimension, 2-10 part interfacial agents, 2-15 part wilkinite, 12-35 part tackiness agent, 0-10 part expansion polyphenyl particle and 40-65 part light skeletal of 0.5-30 part stirred 10-15 minute to mixing in agitator, it is stand-by in the sealed plastic bag that mixture is packed into; Get 56.5-165 part said mixture, and in the process that stirs, join in 200-260 part water, continue to stir 1-2 hour; Add inorganic gel material 5-20 part, stirred 10-20 minute, promptly get the slurry of inorganic fireproofing insulation material; Above-mentioned steps is all carried out under normal temperature, normal pressure, and stirring velocity is 60~120r/m, and the stirring that relates in each step is all carried out in volume is the agitator of 200~2000L.This slurry can be used as thermal insulation mortar and spreads upon external wall.In the specific implementation process, can prepare according to component that provides in the above-mentioned table 1 and parts by weight.
The step of preparation sheet material is as follows:
Step 1: the fortifying fibre of 0.5-30 part is joined in 100 parts of water that are mixed with 2-10 part interfacial agents, stirred 24 hours;
Step 2: add 50-110 part water, stir and evenly spread in the aqueous solution to fiber in 10-30 minute;
Step 3: add 2-15 wilkinite and 5-20 part inorganic gel material, stir and evenly be thick to wilkinite and inorganic gel dispersion of materials in 10-20 minute to slurry;
Step 4: add 12-35 part tackiness agent, stirred 10-30 minute with 50 parts of water-dispersions;
Step 5: add 0-10 part expansion polyphenyl particle and 40-65 part light skeletal successively, stirred 10-20 minute, import mould and be prepared into sheet material, promptly get the inorganic fire heat preservation plate material after the drying;
Above steps is all carried out under normal temperature, normal pressure, and stirring velocity is 60~120r/m, and the stirring that relates in each step is all carried out in volume is the agitator of 200~2000L.
Can obtain the fire preventing and heat insulating board of definite shape by this preparation method.
Can be according to component and the parts by weight preparation of each embodiment that is provided in the above-mentioned table 1, the fundamental property of the prepared sheet material of each embodiment that also illustrates in the table 1, in the table 1 in the preparation process of each cited embodiment the volume of used agitator be 350L, step 2 involved churning time to the step 5 is 10 minutes.
The above; only be part embodiment of the present invention; be not that the present invention is done any pro forma restriction; the those of ordinary skill in this field is under enlightenment of the present invention; under the situation that does not break away from aim of the present invention; can also make a lot of distortion, any simple, nonessential improvement and adjustment that every foundation technical scheme of the present invention is done the foregoing description all belong to protection scope of the present invention.