CN102808488B - A kind of fire prevention link plate - Google Patents
A kind of fire prevention link plate Download PDFInfo
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- CN102808488B CN102808488B CN201110142476.5A CN201110142476A CN102808488B CN 102808488 B CN102808488 B CN 102808488B CN 201110142476 A CN201110142476 A CN 201110142476A CN 102808488 B CN102808488 B CN 102808488B
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Abstract
The invention provides a kind of fire prevention link plate, this fire prevention link plate comprises surface layer, and wherein, this fire prevention link plate also comprises bottom, described bottom be by by the mixture containing aggregate and the first cementing agent through solidifying to form; Described first cementing agent is fireproof bonding agent; The thickness of described bottom is 5-100 millimeter.The invention provides fire prevention link plate and can have refractoriness, water resistance, weatherability and heat insulating ability well concurrently.
Description
Technical field
The present invention relates to a kind of fire prevention link plate.
Background technology
In worldwide energy consumes, the domestic energy consumption of building occupies very large ratio, and therefore, building energy conservation is one of emphasis of energy conservation.
The constructional materials that current routine uses is mainly Ceramic Tiles, coating, paint etc.These constructional materialss have the invasion and attack resisting nature (wind, rain and snow etc.), can also prevent simultaneously solar radiation, noise interference and there is windproof, waterproof, insulation, the effect such as heat insulation.But the flameproof effect of these traditional constructional materialss is poor.
CN2521284Y discloses a kind of composite thermal insulation external wall, and this body of wall comprises deck, insulation layer and avris insulation layer, and wherein, described insulation layer connects in deck, and described avris insulation layer connects with deck three face.The heat insulation effect of this heat preserving exterior wall body is better, and is not easy to come off.But the effect of this wall-mounted panel fire prevention aspect is still undesirable, haves much room for improvement.Thus, a kind of wall-mounted panel with fire-proof function of exploitation is badly in need of to reduce the life energy consumption of building.
Summary of the invention
Goal of the invention of the present invention is to overcome the not good defect of the fire-proof function of wall-mounted panel in prior art, provides a kind of fire prevention link plate having good fire line, water resistance, weatherability and heat insulating ability concurrently.
The invention provides a kind of fire prevention link plate, this fire prevention link plate comprises surface layer, and wherein, this fire prevention link plate also comprises bottom, described bottom be by by the mixture containing aggregate and the first cementing agent through solidifying to form, described first cementing agent is fireproof bonding agent; The thickness of described bottom is 5-100 millimeter.
Aggregate contained by bottom and the cementing agent of fire prevention link plate provided by the invention all have good fire-proof function, and the thickness of described bottom is thicker, and meanwhile, described fire prevention link plate also has excellent fire resistance.In addition, described fire prevention link plate provided by the invention also has good water resistance, weatherability and heat insulating ability concurrently.In a preferred embodiment of the present invention, the precoated silica sand forming described fire prevention link plate surface layer used is the silica sand that Surface coating has resin bed, this resin bed is formed by the colour-wash containing pigment agent and flame-retarded resin, thus, the fireproof performance of described fire prevention link plate can not only be improved further, also make described fire prevention link plate more attractive in appearance.In addition, described fire prevention link plate provided by the invention in indoor use, can also can not only be used in outdoor environment.
Detailed description of the invention
Fire prevention link plate provided by the invention comprises surface layer, and wherein, described fire prevention link plate also comprises bottom, described bottom be by by the mixture containing aggregate and the first cementing agent through solidifying to form, described first cementing agent is fireproof bonding agent; The thickness of described bottom is 5-100 millimeter.
According to the present invention, the thickness of described fire prevention link plate bottom has vital impact to its fireproof performance.The present inventor finds, when the thickness of described bottom is crossed thin, fireproof performance is not good; When the thickness of described bottom is excessive, flame retardant effect does not have and improves significantly, and can cause the waste of material.In the preferred case, described underlayer thickness is 10-70 millimeter.
According to the present invention, described fireproof bonding agent refers to and variously may be used for the described aggregate that bonds, and has excellent fire prevention, the cementing agent of flame retardant effect.Such as, described fireproof bonding agent can be selected from one or more in cement, silica gel, water glass, magnesium hydroxide, potassium silicate, aluminium matter ceramic powder, attapulgite clay, calcining magnesite and phosphate-based cementing agent.
The present inventor finds, when described fireproof bonding agent is selected from one or more in cement, silica gel and water glass, the fireproof performance of the fire prevention link plate of gained is extremely excellent.
Described cement itself has good refractoriness, can be used as fire proofing material.In order to make the heat insulation effect of fire prevention link plate also can be improved, above-mentioned cement can also foam by the present invention, forms foam cement.Described foam cement is referred to and is mechanically fully foamed by blowing agent by the foamed system of foaming machine, and by foam and cement paste Homogeneous phase mixing, then the pumping system through foaming machine carries out cast-in-place construction or mould molding, through a kind of novel light material containing a large amount of sealed porosity that natural curing is formed.The outstanding feature of foam cement forms closed foam hole at inside concrete, makes concrete light and thermal insulation separation thermalization, and foam cement has the performances such as good fire-retardant, adiabatic, insulation, sound insulation, light carrying.
The main component of described silica gel is silica, has the advantage of Heat stability is good, stable chemical nature, and has very strong caking property and heat-resisting quantity (1500-1600 DEG C).In order to improve the curing performance of silica gel further, described silica gel preferably mixes with aluminate by the present invention, forms modified silica-gel.Described aluminate can be various aluminate well known in the art, is preferably selected from one or more in calcium aluminate and magnesium aluminate, more preferably calcium aluminate.The weight ratio of described silica gel and described aluminate can in very large range fluctuate, and under preferable case, the weight ratio of described silica gel and aluminate is 100: 10-20.
Described water glass is the soluble alkali metal silicate material by alkali metal oxide and silica bound, different according to alkali-metal kind, can be divided into sodium silicate and potash water glass.Water glass has fabulous heat stability and can not cause the pollution of environment, so be widely used as heat-resisting, corrosion-resistant and waterproof coating material.In order to improve curability and the water proofing property of described water glass further, preferably, described water glass and prodan being mixed, obtains modified water glass.Under preferable case, the weight ratio of described water glass and described prodan is 100: 12-15.
According to the present invention, the content of the aggregate and fireproof bonding agent that form the bottom of described fire prevention link plate can in very large range change, under preferable case, relative to the aggregate of 100 weight portions, the content of described fireproof bonding agent can be 10-40 weight portion, is more preferably 15-35 weight portion.
The kind of the present invention to described aggregate has no particular limits; can wall-mounted panel be formed for various can be used for known in the field and there is the aggregate of excellent fire-retardancy; preferably; described aggregate can be selected from granular polystyrene, mineral wool, haydite, perlite, expanded vermiculite, glass bead, sand and stone one or more, more preferably granular polystyrene.The average particulate diameter of described aggregate can in very large range change, and can select the aggregate size that is applicable to according to actual needs, and under preferable case, the average particulate diameter of described aggregate is 0.005-2 millimeter, more preferably 0.1-1 millimeter.
In the present invention, described granular polystyrene is the granular polystyrene that Surface coating has clad.The present inventor finds, adopts Surface coating to have the granular polystyrene of clad as the aggregate of the bottom of the described fire prevention link plate of formation, can contribute to the fire resistance improving described link plate further.Described clad is preferably the mixture containing fine sand and the 3rd cementing agent through solidifying to form.The particle diameter of the present invention to described fine sand is not particularly limited, but in order to make covered effect better, the particle diameter of described fine sand is preferably 8-200 micron.The effect of described 3rd cementing agent makes fine sand stick on granular polystyrene well, under preferable case, described 3rd cementing agent can be selected from cement, silica gel, water glass, magnesium hydroxide, potassium silicate, aluminium matter ceramic powder, attapulgite clay, calcining magnesite and phosphate-based cementing agent one or more.The content of described fine sand and the 3rd cementing agent can in very large range change, and preferably, has the gross weight of the granular polystyrene of clad for benchmark with Surface coating, and the content of described clad can be 10-50 % by weight, more preferably 20-40 % by weight; Relative to the fine sand of 100 weight portions, the content of described 3rd cementing agent is 10-50 weight portion, is preferably 20-40 weight portion.
According to the present invention, described Surface coating has the preparation method of the granular polystyrene of clad can adopt the method for the formation clad of this area routine, such as, comprises and granular polystyrene, fine sand and the 3rd cementing agent being uniformly mixed, and curing molding.In order to enable above-mentioned each component mix well, appropriate water can be added; The amount of the water added can regulate as the case may be, such as, is benchmark relative to the gross weight of the 3rd cementing agent of 100 weight portions, and the content of described water can be 20-100 weight portion.The condition of the curing molding of described granular polystyrene comprises solidification temperature and hardening time, and described temperature can be 15-60 DEG C, is preferably 15-40 DEG C; Described hardening time can be 180-300min, is preferably 180-250min.
In the present invention, in order to improve flame retardant effect further, described containing in the mixture of aggregate and the first cementing agent can also contain auxiliary agent.Described auxiliary agent can be selected from least one in aluminium hydroxide, magnesium hydroxide and antimony oxide, is preferably aluminium hydroxide.Preferably, relative to the aggregate of 100 weight portions, the content of described auxiliary agent is 4-8 weight portion.
According to the present invention, the method forming described bottom can comprise aggregate, the first cementing agent and the selective auxiliary agent mixing added, and obtains mixture, and is cured to form described bottom by this mixture in cured condition.Under preferable case, in order to enable each material in described mixture mix equably, also can add appropriate water, relative to the fireproof bonding agent of 100 weight portions, the content of described water can be 20-100 weight portion.The mixing of various material can be carried out also can carrying out step by step simultaneously, and under preferable case, being mixed into of various material is carried out simultaneously.
According to the present invention, described surface layer be by by the mixture containing precoated silica sand and the second cementing agent through solidifying to form, relative to the precoated silica sand of 100 weight portions, the content of described second cementing agent can be 0.5-15 weight portion, in order to obtain better bond effect, the content of described second cementing agent is preferably 3-12 weight portion.
According to the present invention, the selectable range of the thickness of described surface layer is wider, and can be decided according to the actual requirements, and under normal circumstances, the thickness of described surface layer is generally 3-10 millimeter, is preferably 4-8 millimeter.
The selection of the present invention to described second cementing agent has no particular limits, it can be the various cementing agent that can be used for the surface layer forming wall-mounted panel known in the field, preferably, described second cementing agent can be selected from one or more in phenolic resins, epoxy resin, polyurethane resin, water glass, cement, silica gel and phosphate-based cementing agent.
In the present invention, the silica sand forming described surface layer is carried out overlay film, namely obtains precoated silica sand, itself and the caking property of the second cementing agent, the fireproof performance improving link plate of preventing fires and aesthetics can be improved further.Described precoated silica sand is the silica sand that Surface coating has resin bed; The content of described silica sand and the surface coated resin bed of precoated silica sand can in very large range change, under preferable case, with the gross weight of precoated silica sand for benchmark, the content of the surface coated resin bed of described precoated silica sand can be 0.1-8 % by weight, more preferably 0.5-3.5 % by weight.The granular size of described precoated silica sand can be selected as the case may be, but in order to make the surface layer of described fire prevention link plate of the present invention finer and smoother, the particle diameter of described precoated silica sand is preferably 10-300 micron.
The present invention has no particular limits described silica sand, can one or more for being selected from extra large sand, damp sand, river sand, aeolian sand, manufactured sand and reclaimed sand.
The surface coated described resin bed of described precoated silica sand can for can the resin bed that formed of the resin solidification of various routines of coated described silica sand, such as, described resin can be selected from one or more in epoxy resin, phenolic resins, mylar, polyurethane resin, superchlorinated polyvinyl chloride resin and vinyl chloride-vinyl acetate copolymer resin.In the preferred case, in order to improve the fireproof performance of described fire prevention link plate further and improve the aesthetics of surface layer, described resin bed is solidify to form by the colour-wash containing pigment agent and flame-retarded resin; In further preferred situation, the weight ratio of described pigment agent and described flame-retarded resin is 0.05-0.5: 1.
In the present invention, the effect of described pigment agent makes top layer seem more attractive in appearance, and there is no particular limitation for its kind, and the color of pigment agent can suitably be selected as required.Such as, described pigment agent can be selected from one or more in titanium white, zinc oxide, red iron oxide, cinnabar, ultramarine, cobalt oxide, titan yellow, chrome yellow, carbon black and phthalocyanine blue.Described pigment agent can be commercially available, and such as, can use 4920 phthalocyanine blues etc. of the H190 carbon black of the Chemical Co., Ltd. that refines large day, the large Chemical Co., Ltd. that refines day.
In the present invention, described flame-retarded resin can be selected from mylar, polyurethane resin, phenolic resins, superchlorinated polyvinyl chloride resin, vinyl chloride-vinyl acetate copolymer resin and epoxy resin one or more, be preferably epoxy resin.In the present invention, the weight average molecular weight of described epoxy resin can be 300-10000 usually, the epoxide number of epoxy resin can be 0.3-0.6eq/100g usually, the make a concerted effort epoxy resin E44 of Chemical Industry Science Co., Ltd, epoxide number of Beijing benevolence wound such as can be used to be 0.41-0.47eq/100g, and epoxy resin E51, epoxide number are 0.48-0.54eq/100g.
In the present invention, in the surface coated resin bed of described precoated silica sand, can also curing compound be contained, and the weight ratio of described curing compound and described flame-retarded resin can be 1-20: 100, be preferably 5-18: 100.Described curing compound can be selected from toluenesulfonic acid, ethyl-sulfate, phosphoric acid, amine curing agent and acid anhydride type curing agent one or more, in the preferred case, described curing compound is selected from one or more in dicyandiamide, adipic dihydrazide, acid anhydrides, polyhydric phenols, polymercaptan, resol, amino resins, aliphatic polyamine, alicyclic polyamine, polyamide, aromatic amine, imidazoles and boron trifluoride complex.When described flame-retarded resin coating is epoxy resin, described curing compound be preferably selected from aliphatic polyamine, alicyclic polyamine and polyamide one or more, described aliphatic polyamine can be such as one or more in diethylenetriamine, triethylene tetramine, TEPA and divinyl propane diamine; Described alicyclic polyamine can be such as the Meng alkane diamines, one or more in IPD and two (4-aminocyclohexyl) methane.
According to the present invention, the preparation method of described precoated silica sand comprises and being mixed with resin and the selective curing compound contained by silica sand, stirs, forming and hardening.Usually, the condition of the solidification of described silica sand overlay film generally comprises the temperature of solidification and the time of solidification, the temperature of described solidification can be room temperature (20 DEG C) to 350 DEG C, be preferably 100-300 DEG C; The time of solidification can be 1-20min, is preferably 3-10min.
In the present invention, described containing in the mixture of precoated silica sand and the second cementing agent can also contain curing compound, and relative to described second adhesive of 100 weight portions, the content of described curing compound can be 1-20 weight portion, is preferably 5-18 weight portion.Described curing compound reasonably can be selected according to the curing compound contained in the surface coated resin bed of precoated silica sand mentioned above, does not repeat them here.
According to the present invention, the method forming described surface layer can comprise and precoated silica sand, the second cementing agent and the selective curing compound contained being mixed, and obtains mixture, and is cured by this mixture in cured condition and forms described surface layer.The mixing of various material can be carried out also can carrying out step by step simultaneously, and under preferable case, the substep that is mixed into of various material carries out.
According to the present invention, when preparing described fire prevention link plate, in order to save time, improve productive rate, can first the various materials for the formation of described bottom be mixed, obtain the mixture for the formation of described bottom, and this mixture is mated formation in a mold, after then being mixed by the various materials for the formation of described surface layer, obtain the mixture for the formation of described surface layer, and this mixture is mated formation on the mixture for the formation of described bottom, and hot pressing, curing molding; Also first the above-mentioned mixture for the formation of surface layer can be mated formation in a mold, and then the above-mentioned mixture for the formation of bottom is mated formation described for the formation of on the mixture of surface layer, and hot pressing, curing molding.The present invention is also not particularly limited for the condition of above-mentioned hot pressing, curing molding, usually, the condition of described hot pressing is enough to meet makes described mixture solidified shaping, the condition of described hot pressing comprises the pressure of the temperature of hot pressing, the time of hot pressing and hot pressing, the temperature of described hot pressing can be 15-80 DEG C, is preferably 40-60 DEG C; The time of hot pressing can be 180-1000min, is preferably 300-500min; The pressure of hot pressing can be 1-5MPa, is preferably 2-4MPa.
Below with reference to embodiment, the present invention is further illustrated, but therefore do not limit the present invention.
Embodiment 1
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
By 16kg granular polystyrene (purchased from Shanghai Xiong Sheng building materials Co., Ltd), the particle diameter of 3.5kg is the fine sand of 100 microns, after 0.5kg portland cement (purchased from Tangshan six or nine Cement Co., Ltd) and 0.5kg water mix, solidify 180min at 40 DEG C after, obtain the granular polystyrene that Surface coating has clad.
The silica sand of 10kg is joined in Muffle furnace, roasting 10min at 300 DEG C, then the silica sand after roasting is transferred in puddle mixer, under the mixing speed of 120r/min, when being cooled to 160 DEG C, add the epoxy resin of 0.04kg (purchased from Beijing benevolence wound Chemical Industry Science Co., Ltd with joint efforts, E51, weight average molecular weight is 800), the phthalocyanine blue of 0.01kg is (purchased from the Chemical Co., Ltd. that refines large day, 4920 types), continue to stir, when temperature is down to 130 DEG C, the diethylenetriamine of 0.005kg is added in mixture, stir 60s, obtain precoated silica sand, adopt digital Stereo microscope (purchased from Bejing Huaqi Information Digital Science & Technology Co., Ltd, model DLC300) to record its average particulate diameter be 100 microns.
Above-mentioned granular polystyrene, 3.5kg high alumina cement (purchased from Tianjin Jin Nanyu Tong Chuanjia Refractory Co., ltd), 3.5kg water and the 0.4kg aluminium hydroxide prepared is mixed and obtains the first mixture, be routed in the steel die being of a size of 30 × 60 × 8 centimetres by this first mixture, the laying depth of this first mixture is 73 millimeters.The epoxy resin of the precoated silica sand prepared above-mentioned, 4kg (to be made a concerted effort Chemical Industry Science Co., Ltd purchased from Beijing benevolence wound, E51, weight average molecular weight is 800) and the hexa of 1kg mix and obtain the second mixture, be routed to by this second mixture on above-mentioned first mixture layer, laying depth is 5 millimeters.At 60 DEG C, hot pressing 300min under the pressure of 2MPa, obtaining underlayer thickness is 70 millimeters, and surface thickness is the fire prevention link plate of 4 millimeters.
Embodiment 2
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
By 14kg granular polystyrene (purchased from Shanghai Xiong Sheng building materials Co., Ltd), the particle diameter of 4.5kg is the fine sand of 100 microns, after 1.5kg magnesium hydroxide (purchased from Taixing Chemical Co., Ltd.) and 0.9kg water mix, solidify 250min at 15 DEG C after, obtain the granular polystyrene that Surface coating has clad.
The silica sand of 10kg is joined in Muffle furnace, roasting 10min at 300 DEG C, then the silica sand after roasting is transferred in puddle mixer, under the mixing speed of 120r/min, when being cooled to 160 DEG C, add the epoxy resin of 0.24kg (purchased from Beijing benevolence wound Chemical Industry Science Co., Ltd with joint efforts, E44, weight average molecular weight is 3000), the carbon black of 0.05kg is (purchased from the Chemical Co., Ltd. that refines large day, H190), continue to stir, when temperature is down to 130 DEG C, the hexa of 0.6kg is added in mixture, stir 120s, obtain precoated silica sand, adopting digital Stereo microscope to record its average particulate diameter is 120 microns.
1.3kg silica gel (purchased from Tianjin Jin Nanyu Tong Chuanjia Refractory Co., ltd) is mixed with 0.2kg calcium aluminate (purchased from Taixing Chemical Co., Ltd.), obtains 1.5kg modified silica-gel; This modified silica-gel is mixed with above-mentioned granular polystyrene, 0.3kg water and the 0.8kg magnesium hydroxide prepared and obtains the first mixture, be routed in the steel die being of a size of 30 × 60 × 2 centimetres by this first mixture, the laying depth of this first mixture is 11 millimeters.By the epoxy resin of the precoated silica sand of above-mentioned preparation, 32kg (purchased from Beijing benevolence wound Chemical Industry Science Co., Ltd with joint efforts, E44, weight average molecular weight is 3000) and the hexa of 8kg mix and obtain the second mixture, be routed to by this second mixture on above-mentioned first mixture layer, laying depth is 9 millimeters.At 40 DEG C, hot pressing 500min under the pressure of 4MPa, obtaining underlayer thickness is 10 millimeters, and surface thickness is the fire prevention link plate of 8 millimeters.
Embodiment 3
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
By 12kg granular polystyrene (purchased from Shanghai Xiong Sheng building materials Co., Ltd), the particle diameter of 5.7kg is the fine sand of 100 microns, after 2.3kg aluminium matter ceramic powder (purchased from Yixing City Feng Rui Ci Ye Co., Ltd) and 0.5kg water mix, solidify 210min at 25 DEG C after, obtain the granular polystyrene that Surface coating has clad, recording its particle diameter is 1mm.
The silica sand of 10kg is joined in Muffle furnace, roasting 10min at 300 DEG C, then the silica sand after roasting is transferred in puddle mixer, under the mixing speed of 120r/min, when being cooled to 160 DEG C, add the superchlorinated polyvinyl chloride resin of 0.12kg (purchased from Shenzhen Jitian Chemical Co., Ltd., weight average molecular weight is 1000), the carbon black of 0.03kg is (purchased from the Chemical Co., Ltd. that refines large day, H190), continue to stir 80s, obtain precoated silica sand, adopting digital Stereo microscope to record its average particulate diameter is 95 microns.
2.2kg sodium silicate (purchased from Jinzhou district of Dalian chemical reagent factory) is mixed with 0.3kg prodan (purchased from Zibo Jian Yu Chemical Co., Ltd.), obtains 2.5kg modified water glass; This modified water glass is mixed with above-mentioned granular polystyrene, 1.5kg water and the 0.6kg antimony oxide prepared and obtains the first mixture, be routed in the steel die being of a size of 30 × 60 × 5 centimetres by this first mixture, the laying depth of this first mixture is 42 millimeters.By the precoated silica sand of above-mentioned preparation, 8kg superchlorinated polyvinyl chloride resin (purchased from Shenzhen Jitian Chemical Co., Ltd., weight average molecular weight is 1000) and the hexa of 8kg mix and obtain the second mixture, be routed to by this second mixture on above-mentioned first mixture layer, laying depth is 7 millimeters.At 50 DEG C, hot pressing 400min under the pressure of 3MPa, obtaining underlayer thickness is 40 millimeters, and surface thickness is the fire prevention link plate of 6 millimeters.
Embodiment 4
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the modified silica-gel aluminium matter ceramic powder (purchased from Yixing City Feng Rui Ci Ye Co., Ltd) in described first mixing when preparing bottom replaces.
Embodiment 5
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the modified silica-gel attapulgite clay (purchased from harbour, Mingguang City Ao Ni mining industry Co., Ltd) in described first mixing when preparing bottom replaces.
Embodiment 6
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the Surface coating in described first mixing when preparing bottom has the granular polystyrene expanded vermiculite (purchased from Lingshou County Ya Tong mineral powder factory) of clad to replace.
Embodiment 7
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, not containing magnesium hydroxide in described first mixing when preparing bottom.
Embodiment 8
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, when preparing the precoated silica sand forming surface layer, the resin bed of described coated silica sand only contains epoxy resin, not containing carbon black.
Embodiment 9
The present embodiment is for illustration of the preparation of fire prevention link plate provided by the invention.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the laying depth forming described first mixing of bottom is 5 millimeters, obtains the fire prevention link plate that underlayer thickness is 4 millimeters after hot pressing.
Comparative example 1
This comparative example is for illustration of the preparation of the fire prevention link plate of prior art.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the modified silica-gel epoxy resin (create purchased from Beijing benevolence the Chemical Industry Science Co., Ltd that makes a concerted effort, E51, weight average molecular weight is 800) in described first mixing when preparing bottom replaces.
Comparative example 2
This comparative example is for illustration of the preparation of the fire prevention link plate of prior art.
According to the method preparation fire prevention link plate of embodiment 2, unlike, the laying depth forming described first mixing of bottom is 3 millimeters, obtains the fire prevention link plate that underlayer thickness is 2 millimeters after hot pressing.
Embodiment 10-18
The present embodiment is for illustration of the performance test of fire prevention link plate.
(1) refractoriness of fire prevention link plate is detected
Detect the fire resistance period of the fire prevention link plate prepared in embodiment 1-9 according to the method for GB14907-2002, testing result is as shown in table 1.
(2) water resistance of fire prevention link plate is detected
Detect the water resistance of the fire prevention link plate prepared in embodiment 1-9 according to the method for GB14907-2002, testing result is as shown in table 1.
(3) weatherability of fire prevention link plate is detected
Detect the weatherability of the fire prevention link plate prepared in embodiment 1-9 according to the method for GB/T16422.2, testing result is as shown in table 1.
(4) heat insulating ability of fire prevention link plate is detected
The coefficient of thermal conductivity of the fire prevention link plate prepared in embodiment 1-9 is detected according to the method for GBT/10294-2008 " the mensuration Guarded hot plate of Technology of Steady State Thermal Resistance of Thermal Insulating Material and related characteristics "; For the fire prevention link plate of condition of equivalent thickness, coefficient of thermal conductivity is lower, then heat-insulating property is better.Testing result is as shown in table 1.
Comparative example 3-4
This comparative example is for illustration of the performance test of fire prevention link plate.
Detect the fire prevention refractoriness of link plate, water resistance, weatherability and heat insulating ability according to the method for embodiment 10-18, unlike, detection is the fire prevention link plate obtained by the method for comparative example 1-2, and testing result is as shown in table 1 below.
Table 1
According to the data in upper table 1, as can be seen from the contrast of embodiment of the present invention 1-9 and comparative example 1 and comparative example 2, the fire resistance period of the fire prevention link plate prepared by method of the present invention is significantly higher than the fire prevention link plate prepared by comparative example 1 and comparative example 2, simultaneously, the water resistance of the fire prevention link plate prepared by method of the present invention, weatherability and heat-insulating property are also more excellent, illustrate that fire prevention link plate provided by the invention can have anti-flammability, water resistance, weatherability and heat insulating ability concurrently well.As can be seen from comparing by the fire resistance period of embodiment 1-3 and the fire prevention link plate prepared by embodiment 4-9, water resistance, weatherability and heat insulating ability, the performance of the fire prevention link plate adopting the preferred condition of the present invention to obtain is more excellent.
Claims (11)
1. prevent fires a link plate, this fire prevention link plate comprises surface layer, it is characterized in that, this fire prevention link plate also comprises bottom, described bottom be by by the mixture containing aggregate and the first cementing agent through solidifying to form; Described first cementing agent is fireproof bonding agent; The thickness of described bottom is 5-100 millimeter; Described aggregate is granular polystyrene, and described granular polystyrene is the granular polystyrene that Surface coating has clad, and described clad is by the mixture containing fine sand and the 3rd cementing agent through solidifying to form, and the particle diameter of described fine sand is 8-200 micron; Described surface layer be by by the mixture containing precoated silica sand and the second cementing agent through solidifying to form, relative to the precoated silica sand of 100 weight portions, the content of described second cementing agent is 0.5-15 weight portion; The thickness of described surface layer is 3-10 millimeter.
2. fire prevention link plate according to claim 1, wherein, the thickness of described bottom is 10-70 millimeter.
3. fire prevention link plate according to claim 1, wherein, relative to the aggregate of 100 weight portions, the content of described fireproof bonding agent is 10-40 weight portion.
4. the fire prevention link plate according to claim 1 or 3, wherein, described fireproof bonding agent is selected from one or more in cement, silica gel, water glass, magnesium hydroxide, potassium silicate, aluminium matter ceramic powder, attapulgite clay, calcining magnesite and phosphate-based cementing agent.
5. fire prevention link plate according to claim 1, wherein, has the gross weight of the granular polystyrene of clad for benchmark with Surface coating, the content of described clad is 10-50 % by weight; Relative to the fine sand of 100 weight portions, the content of described 3rd cementing agent is 10-50 weight portion.
6. to prevent fires according to claim 1 or 5 link plate, wherein, described 3rd cementing agent is selected from one or more in cement, silica gel, water glass, magnesium hydroxide, potassium silicate, aluminium matter ceramic powder, attapulgite clay, calcining magnesite and phosphate-based cementing agent.
7. fire prevention link plate according to claim 1, wherein, described second cementing agent be selected from phenolic resins, epoxy resin, polyurethane resin, water glass, cement, silica gel and phosphate-based cementing agent one or more.
8. fire prevention link plate according to claim 1, wherein, described precoated silica sand is the silica sand that Surface coating has resin bed; With the gross weight of precoated silica sand for benchmark, the content of the surface coated resin bed of described precoated silica sand is 0.1-8 % by weight; The particle diameter of described precoated silica sand is 10-300 micron.
9. fire prevention link plate according to claim 8, wherein, described resin bed is solidify to form by the colour-wash containing pigment agent and flame-retarded resin.
10. fire prevention link plate according to claim 9, wherein, the weight ratio of described pigment agent and flame-retarded resin is 0.05-0.5: 1.
11. fire prevention link plates according to claim 9 or 10, wherein, described pigment agent be selected from titanium white, zinc oxide, red iron oxide, cinnabar, ultramarine, cobalt oxide, titan yellow, chrome yellow, carbon black and phthalocyanine blue one or more; Described flame-retarded resin be selected from mylar, polyurethane resin, phenolic resins, superchlorinated polyvinyl chloride resin, vinyl chloride-vinyl acetate copolymer resin and epoxy resin one or more.
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| CN103819129B (en) * | 2013-12-31 | 2018-09-18 | 仁创生态环保科技股份有限公司 | A kind of weatherability silica sand hanging plate and preparation method thereof |
| CN105317186B (en) * | 2014-06-25 | 2017-08-08 | 华北水利水电大学 | A kind of dalle and its trailing |
| CN104944846B (en) * | 2015-05-19 | 2017-03-22 | 林文堡 | Compression-resistant fireproof board and preparation method thereof |
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| CN107383793B (en) * | 2017-07-25 | 2020-06-02 | 攀枝花学院 | Fireproof polyphenyl particle board and preparation method thereof |
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| CN109897257A (en) * | 2017-12-08 | 2019-06-18 | 北京仁创科技集团有限公司 | A kind of sand sculpture floor and preparation method thereof |
| CN111908951B (en) * | 2020-08-14 | 2024-02-09 | 云浮市豪野材料科技有限公司 | Production process of high-temperature-resistant flame-retardant building composite stone |
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