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CN109930764A - A kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar and preparation method thereof - Google Patents

A kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar and preparation method thereof Download PDF

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Publication number
CN109930764A
CN109930764A CN201910142380.5A CN201910142380A CN109930764A CN 109930764 A CN109930764 A CN 109930764A CN 201910142380 A CN201910142380 A CN 201910142380A CN 109930764 A CN109930764 A CN 109930764A
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super
hydrophobic
spar
protective bag
polyurethane
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罗汉平
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Guangzhou Jiaqi Energy Saving Material Co Ltd
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Guangzhou Jiaqi Energy Saving Material Co Ltd
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Abstract

The invention discloses a kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plates of spar; the super-hydrophobic decorative layer of Tao Jingshi including basic insulating layer and basic insulation layer surface coating, wherein basic insulating layer includes latticed installation part, polymer protective bag, gel polyurethane insulation board and cement paper;Pass through the design of the molecular structure in the making material of gel polyurethane insulation board, the functional groups such as tri-alkoxy silicon group, phosphate-based are introduced to regulate and control the structure of polyurethane material itself, the impact strength, heat preservation thermal insulation and anti-flammability of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate material of spar are improved, and meets the functional ornamentation requirement of External Wall.

Description

A kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar and preparation method thereof
Technical field:
The present invention relates to building materials fields, and in particular to a kind of super-hydrophobic combined heat-insulating integral plate of gel polyurethane pottery spar and Its production method.
Background technique:
In the peripheral structure Cao of building, wall account for building table and accumulate specific gravity maximum, thus the thermal losses of wall also compared with People, therefore wall thermal insulation technology and energy-saving material then become the main implementation of building energy conservation.Building is enclosed using new technology Protection structure carries out high-caliber insulation, is the major measure of building energy conservation, can effectively reduce two season of summer in winter indoor and outdoor temperature A large amount of energy loss caused by difference effectively solves the status for reducing building high energy consumption, reduces greenhouse effects.
China starts late about building thermal-insulation energy-saving, by the research and practice in nearly twenty or thirty year, in foreign On the basis of technology, building exterior wall heat preserving technology makes great progress and improves: one side external wall energy-saving new technology is continuing Research and development;The introduction and research and development of another aspect external-wall heat-insulation material all promote external wall energy-saving to rise to new height.But In terms of wall thermal insulating, however it remains following insufficient: (1) thermal insulation property of thermal insulation material is lower, such as the thermal conductivity of inorganic heat insulation material Rate is generally more than 0.05W/ (mK), organic insulation material such as styrofoam, the heat insulating coefficient of phenolic resin plate also general > 0.04W/ (mK), the comparison that so high thermal coefficient requires thermal insulation material to do is thick, this will increase the dosage of thermal insulation material and builds Build the load of object;(2) thermal conductivity of organic insulation material is lower compared to inorganic heat insulation material, but general in terms of flame retardant property All over poor;(3) it is easy to fall off between insulating layer and decorative layer, influences service life and safety.
In numerous thermal insulation materials, polyurethane heat insulation material is one of preferable material of thermal insulation property, and thermal conductivity can be with Reach 0.03 W/ (mK) hereinafter, still flame retardant property is poor, be extremely difficult to B1 or A grades it is fire-retardant.There are no fire-retardant currently on the market Grade is in B1 or A grades or more, and thermal conductivity, in 0.023W/ (mK) polyurethane heat insulation material below, this is mainly limited by existing Have caused by structure and the foam process of material.Such as reach preferable flame retardant rating, only by adding fire retardant to be difficult to realize, need Fire-retardant regulation is carried out to the structure of polyurethane material itself, such as need to reduce thermal conductivity, then need to use for reference the structure of aeroge And principle, and make uniform foam cell as far as possible.However, this problem is also limited at the bottleneck for restricting industry development at present Application of the polyurethane heat insulation material in building.As can breaking through this problem, and increase certain decorative effect, then keeping the temperature The application prospect in market is huge.
Summary of the invention:
The object of the present invention is to provide a kind of super-hydrophobic combined heat-insulating integral plate of gel polyurethane pottery spar and its production sides Method.
The present invention is achieved by the following technical programs:
A kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar, including basic insulating layer and basic insulating layer table The super-hydrophobic decorative layer of the Tao Jingshi in face, wherein basic insulating layer includes latticed installation part, polymer protective bag, gel polyurethane Insulation board and cement paper;Wherein polymer protective bag inner hollow, for accommodating the making material of gel polyurethane insulation board, net Trellis installation part is fixed on above polymer protective bag, and cement paper is fixed on polymer protective bag bottom surface and surrounding, in polymer The making material of gel polyurethane insulation board foams to be formed during gel polyurethane insulation board inside protective bag, gel polyurethane Latticed installation part, polymer protective bag, cement paper is in situ adhesion-molded together;The production of the gel polyurethane insulation board Material includes A material and B material: wherein A material has structure shown in formula I or II;B expects that ingredient includes material shown in formula III, and adds Add catalyst, foaming agent, foam stabiliser, material shown in formula III is logical with corresponding oxyalkylene derivative by polyalcohol YH It crosses polymerization reaction to obtain, such as works as R3When=H, corresponding ethylene oxide, R3=CH3When, corresponding propylene oxide:,
Wherein, substituent group D is H atom or the tri-alkoxy silicon being shown below:
R1For the alkyl of carbon atom number≤6;
E is H or the phosphate being shown below:
R2For the alkyl of carbon atom number≤2;
N1=1-200, n3=1-10000, R3For H atom or the alkyl of carbon atom number≤6, m=2-8, m and YH's is polynary Alcohol number is corresponding consistent, YH be selected from dihydric alcohol, trihydroxylic alcohol, tetrahydroxylic alcohol, pentabasis alcohol, hexahydroxylic alcohols, heptabasic alcohol, eight yuan of alcohol any one Kind, for example, YH be hexahydroxylic alcohols when, m=6, YH be eight yuan of alcohol when, m=8.
I main structure of formula is the isocyanide acid derivative of benzhydryl;Formula II is the isocyanide acid derivative of poly- benzhydryl;Draw Enter isocyanic acid, the hydroxyl polymeric of material shown in Chinese style III can be expected with B, realizes that polymerization reaction obtains-NH-COO- group, this It is the General reactions of polyurethane polymerization.The phosphate-based flame retardant property that can promote polyurethane material of the E of introducing, this is because this A little groups all have sufficiently stable performance, nonflammable.But for the R in bound phosphate groups2Group wants strict control carbon The quantity of atom, no more than 3, otherwise, anti-flammability can decline.Introduce tri-alkoxy silicon group there are three effect: 1) be for The further thermal insulation property for promoting polyurethane, this is because the tri-alkoxy silicon group in A material Chinese style I or formula II is in foaming In hot environment, it can be condensed with tri-alkoxy silicon group shown in the formula III in B material, form-the O-Si- of similar aeroge O- structure, this structure have good heat-insulating property, obtain the high heat preservation performance of similar aeroge;2)-O-Si-O- base simultaneously Group can promote polyurethane abscess more uniform, this can also further increase thermal insulation property, reduce thermal coefficient, be also based on This, insulation board of the invention is just named as gel polyurethane insulation board.It is poly- containing tri-alkoxy silicon group by comparative test Urethane thermal insulation material (thermal conductivity is less than 0.02W/ (mK)), than the polyurethane heat insulation material (thermal conductivity of no tri-alkoxy silicon group Rate can reduce 10-30% for 0.022-0.03W/ (mK)) thermal conductivity;3)-O-Si-O- the base that tri-alkoxy silicon group is formed is introduced Group helps to promote the anti-flammability of polyurethane sheet, this is because-O-Si-O- group is oxygen saturation structure, highly stable, Bu Huihe Oxygen is further continued for that combustion reaction occurs.
A material and B material are by after evenly mixing, it may occur that polymerize, the isocyanate group reaction in hydroxyl and A material in B material Polymerization obtains-NH-COO- group, this is the reaction of polyurethane polymerization.
When A expects D=H in structure shown in Chinese style I or II, and the D in B material is tri-alkoxy silicon, in foamed polymer process In, the tri-alkoxy silicon in B material can be formed-O-Si-O- the structure of similar aeroge, still can effectively be promoted with auto polymerization The anti-flammability and thermal insulation property of polyurethane, A expects that E can be H at this time, or phosphate, for example meeting of organic phosphate flame-retardant performance Further promoted.Similarly, when A expects that D is that tri-alkoxy silicon can obtain when the D in B material is H in structure shown in Chinese style I or II To identical as a result, A expects that E can be H at this time, or phosphate, for example organic phosphate flame-retardant performance can be promoted further.When A expects D=H, E=H in structure shown in Chinese style I or II, in B material when D=H, remains to that polymerization reaction occurs, had excellent performance Polyurethane cellular material, simultaneously as the presence of foam stabilizer, obtained abscess is highly uniform, and thermal conductivity is more satisfactory.
Catalyst in B material can be using the common triethanolamine of polyurethane foam industry, triethylamine, stannous octoate etc.. Foaming agent uses water and pentamethylene.Although freon can also obtain good foaming effect, since environment is unfriendly, do not adopt With.Foam stabiliser uses polysiloxanes or tween.
In order to further enhance flame retardant effect, fire retardant, such as TCPP, TCEP can be suitably added.Pore-creating agent is preferred Ortego150。
In order to further increase the uniformity of polyurethane foam, the even hole agent of silica, the even hole of silica is added in B material Agent can be nano SiO 2 particle, particle≤100nm, be also possible to aerosil, even hole agent containing in B material Amount is 0.01wt%-5wt%.
The super-hydrophobic decorative layer of Tao Jingshi is to coat super hydrophobic material in Tao Jingshi decorative layer to obtain, or will be super-hydrophobic Material adds in Tao Jingshi slurry, is directly coated on basic insulating layer, the method for coating includes roller coating, plaster, spray Apply etc., the Tao Jingshi is the silicate ceramics of inorganic toner coloring or the quartz particles of coloring.This material is due to being inorganic The high heat colouring of toner, whole system are all the systems of full-inorganic, there is no xanthochromia fade etc. organic coatings there are the problem of, It is not in that burn into falls off the common problem of equal dalles.Super hydrophobic material is selected from the nano-silica of fluorosilicone compound modification The fluorine silicon solution of SiClx, the nano aluminium oxide of fluorosilicone compound modification or low-surface-energy.In general, super-hydrophobic table is made into Face, it is necessary to have coarse micro-nano structure as support, therefore, the nano silica or aluminium oxide used in the present invention is to use To construct coarse micro nano structure.And since also there is certain coarse micro nano structure on the surface Tao Jingshi itself, so, Directly with the fluorine silicon solution of low-surface-energy also available super-hydrophobic effect, unexpected effect is reached.
Latticed installation part is the plastic tube group using the production of any one of polyethylene, polypropylene, pvc material Grid is synthesized, crossover sites are bonded with glue, and when being installed in building, metal hanger is inserted into plastic tube, then will Metal hanger is fixed on the wall with setscrew.
Polymer protective bag is used to coat gel polyurethane insulation board, and material used can be non-woven fabrics, plastic wire, gold Belong to any one of net, glass fiber net.The strong of integrated board can be promoted by being coated using polymer material to gel polyurethane Degree, and prevent embrittlement.
The production method of the described gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar the following steps are included:
1) cement paper is attached to bottom surface and the surrounding of foaming mould;
2) polymer protective bag is placed on cement paper, hollow, reserves foaming space;
3) latticed installation part is fixed on the top of polymer protective bag, close to the upper surface of foaming mould;
4) A material and B are expected to be uniformly mixed, squeezes into the hollow position of the polymer protective bag in foaming mould;
5) closed die, foaming;
6) foaming terminates, and opens mold, takes out basic insulating layer;
7) on basic insulating layer of the Tao Jingshi slurry coated in taking-up, it will dry or dry and obtain Tao Jingshi decorative layer;
8) super hydrophobic material is coated in Tao Jingshi decorative layer, dries or dries;
Or, on the basic insulating layer coated in taking-up, drying or drying after super hydrophobic material is mixed with Tao Jingshi slurry It is dry;Or the super-hydrophobic decorative layer of the Tao Jingshi prepared in advance is bonded on basic insulating layer, it dries or dries.Due to Tao Jingshi , without rigidity, the super-hydrophobic decorative layer of the Tao Jingshi prepared in advance is to load to calcium silicate board with microporous, glass magnesium board, metal plate, plastic plate for itself Etc. obtain in substrates.
The production method of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar also may include following step It is rapid: (1) cement paper patch to be cut into suitable dimension, be then placed on bottom surface and the surrounding of foaming mould;(2) polymer protective bag It is placed on cement paper that sack is hollow, reserves polyurethane foam space;(3) latticed installation part is fixed on the upper of polymer protective bag Side, close to the upper surface of foaming mould;(4) the super-hydrophobic Tao Jing slabstone prepared in advance is fixed on above latticed installation part, The attachment carrier of super-hydrophobic Tao Jing slabstone is any in glass magnesium board, calcium silicate board with microporous, plastic plate or metal plate;(5) by A material and B Material is uniformly mixed, and squeezes into the hollow position of the polymer protective bag in foaming mould;(6) closed die, foaming start to carry out, A Material and B material start to react, and during reaction, foamed material meeting partial penetration is by polymer protective bag, by cement paper and net Trellis installation part fixation in situ;(7) foaming terminates, and opens mold, takes out.
Beneficial effects of the present invention are as follows:
The present invention introduces tri-alkoxy silicon by the design of the molecular structure in the making material of gel polyurethane insulation board The functional groups such as group, phosphate-based regulate and control the structure of polyurethane material itself, improve gel polyurethane pottery spar Impact strength, heat preservation thermal insulation and the anti-flammability of super-hydrophobic combined heat-insulating integral plate material, and meet the function of External Wall It can property finishing requirements.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of 1 gel polyurethane of the embodiment pottery super-hydrophobic combined heat-insulating integral plate of spar;
Wherein, 11, the super-hydrophobic decorative layer of Tao Jingshi, 12, latticed installation part, 13, polymer protective bag, 14, gel it is poly- Urethane insulation board, 15, cement paper.
Fig. 2 is the structural schematic diagram of latticed installation part in Fig. 1;
Fig. 3 is the section scanning electron microscope of 1 gel polyurethane of embodiment;
Fig. 4 is contact angle test;
Fig. 5 is the coarse micro-nano structure that the nano aluminium oxide of fluorosilicone compound modification constructs on the surface Tao Jingshi.
Specific embodiment:
It is to further explanation of the invention, rather than limiting the invention below.
Embodiment 1: the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar
The gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar as shown in Figure 1, including basic insulating layer and basis The super-hydrophobic decorative layer 11 of the Tao Jingshi of insulation layer surface, wherein basic insulating layer includes latticed installation part 12, polymer protection Bag 13, gel polyurethane insulation board 14 and cement paper 15;Wherein 13 inner hollow of polymer protective bag, for accommodating the poly- ammonia of gel The making material of ester insulation board, latticed installation part 12 are fixed on 13 top of polymer protective bag, and cement paper 15 is fixed on polymerization Object protective bag bottom surface and surrounding, the making material of gel polyurethane insulation board foams inside polymer protective bag, and to form gel poly- During urethane insulation board, gel polyurethane is in situ viscous together by latticed installation part 12, polymer protective bag 13, cement paper 15 Synthesis type.The making material of the gel polyurethane insulation board includes A material and B material: wherein A material has structure shown in formula I;B Expect that ingredient includes material shown in formula III, and add catalyst, foaming agent, foam stabiliser, fire retardant, pore-creating agent, even hole agent: Material shown in formula III is that polyalcohol YH is obtained with corresponding oxyalkylene derivative by polymerization reaction,
Wherein, A expects that structure substituent group D shown in formula I is tri-alkoxy silicon:R1It is equal to 4 for carbon atom number Alkyl;E is phosphate:R2It is equal to 2 alkyl for carbon atom number, substituent group D is in structure shown in B material formula III Tri-alkoxy silicon:R1It is equal to 4 alkyl for carbon atom number;The polyalcohol number pair of n3=10000, m=3, m and YH Should be consistent, YH is selected from glycerine, R3It is equal to 3 alkyl for carbon atom number.
Catalyst in B material is triethanolamine, content 2wt%.Foaming agent uses water and pentamethylene, and content is respectively 1wt% and 0.5wt%.Foam stabiliser uses tween, content 3wt%.Fire retardant uses TCPP, content 10wt%.Pore-creating agent Ortego150, content 2wt%.Even hole agent be nano silica, granular size 50-100nm, even hole agent B material in containing Amount is 0.2wt%.
In the present embodiment, the production method of gel polyurethane pottery spar combined heat-insulating integral plate passes through following steps: (1) will Cement paper patch is cut into suitable dimension, is then placed on bottom surface and the surrounding of foaming mould;(2) polymer protective bag is placed in cement paper On, any one of non-woven fabrics, plastic wire, metal mesh, glass fiber net may be selected in the material of polymer protective bag, and sack is hollow, stays Polyurethane foam space out;(3) latticed installation part is fixed on the top of polymer protective bag, the upper surface of close foaming mould, The material of latticed installation part can be any one of polyethylene, polypropylene, polyvinyl chloride, the tubing prepared with these materials It is combined into grid, crossover sites are bonded with glue, and tubing can be square tube, are also possible to round tube;(4) gel polyurethane will be prepared The foamed material A material and B material of insulation board are uniformly mixed, and squeeze into the hollow position of the polymer protective bag in foaming mould;(5) it closes Mold, foaming start to carry out, and A material and B material start to react, and during reaction, foamed material meeting partial penetration passes through polymer Protective bag, by cement paper and latticed installation part fixation in situ;(6) foaming terminates, and foamed time about 20 minutes, opens mold, Take out basic insulating layer;(7) the plaster pottery spar slurry on basic insulating layer, then dries, obtains Tao Jingshi decorative layer;Tao Jing Stone slurry is Tao Jingshi particle and glue mixing preparation;(8) super hydrophobic material is sprayed in Tao Jingshi decorative layer, is dried, surpassed Hydrophobic material is the nano silica of fluorosilicone compound modification, and liquid phase is ethyl alcohol.The nano oxygen such as modified with fluorosilicone compound Change aluminium, can also reach identical hydrophobic effect.Super hydrophobic material obtains by the following method: by nano SiO 2 particle or receiving Rice alumina particle (between 20-200nm) disperse in ethanol, be added tri-alkoxy octyl silicon fluoride, be added ammonium hydroxide or Dilute hydrochloric acid hydrolysis, stirring half an hour can be obtained.Super hydrophobic material is also possible to the fluorine silicon solution of low-surface-energy, is by three alcoxyls Base octyl silicon fluoride, ammonium hydroxide or dilute hydrochloric acid hydrolysis, stirring half an hour, which is added, can be obtained.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A1 grades, at present polyurethane thermal insulation board on the market Generally B2 grades, minority can accomplish B1 grades.It is 30Kg/m in expansion density3Under conditions of, impact strength can reach 15J, It is such as foamed with common A material on the market, in 30Kg/m3Under conditions of, impact strength can not reach 10J.Therefore, pass through The design of molecular structure achievees the effect that reduce thermal conductivity, promotes anti-flammability, promotes anti-impact Compressive Strength.By molecular modification, draw Enter tri-alkoxy silicon group, and after adding even hole agent, by electron microscope it can be found that abscess becomes uniform (see Fig. 3). Its hydrophobic effect is tested by contact angle tester, sees Fig. 4.Fig. 5 is the nano aluminium oxide of fluorosilicone compound modification in Tao Jingshi The coarse micro-nano structure of upper building.
Embodiment 2:
Reference implementation example 1, the difference is that, A expects D tri-alkoxy silicon in structure shown in Chinese style I:Middle R1 It is equal to 6 alkyl for carbon atom number;E phosphateMiddle R2The alkyl for being 1 for carbon atom number, B expect shown in empirical formula III In material, substituent group D is tri-alkoxy silicon:R1It is equal to 6 alkyl for carbon atom number;N3=1, m=8, m with The polyalcohol number of YH is corresponding consistent, and YH is selected from pungent eight alcohol, R3For H.Catalyst in B material is triethanolamine, content 5wt%.Hair Infusion uses water and pentamethylene, and content is 4wt% and 5wt% respectively.Foam stabiliser uses tween, content 6wt%.Fire retardant Using TCPP, content 15wt%.Pore-creating agent Ortego150, content 5wt%.Even hole agent is nano SiO 2 particle, and particle is big Small is 100nm, content 5wt% of the even hole agent in B material.The production of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar Method passes through following steps: (1) cement paper patch being cut into suitable dimension, be then placed on bottom surface and the surrounding of foaming mould;(2) Polymer protective bag is placed on cement paper, and non-woven fabrics, plastic wire, metal mesh, glass fiber net may be selected in the material of polymer protective bag Any one, sack is hollow, reserves polyurethane foam space;(3) latticed installation part is fixed on the upper of polymer protective bag Side, the upper surface of close to foaming mould, the material of latticed installation part can be polyethylene, polypropylene, polyvinyl chloride any one Kind, it is combined into grid with tubing prepared by these materials, crossover sites are bonded with glue, and tubing can be square tube, are also possible to Round tube;(4) A material and B are expected to be uniformly mixed, squeezes into the hollow position of the polymer protective bag in foaming mould;(5) mould is closed Have, foaming starts to carry out, and A material and B material start to react, and during reaction, foamed material meeting partial penetration, which passes through polymer, to be protected Bag is protected, by cement paper and latticed installation part fixation in situ;(6) foaming terminates, and foamed time about 20 minutes, opens mold, takes Basic insulating layer out;(7) super hydrophobic material is added in Tao Jingshi slurry and obtains the super-hydrophobic slurry of Tao Jingshi, then protected on basis The plaster pottery super-hydrophobic slurry of spar, dries on warm layer.Super hydrophobic material is the nano silica of fluorosilicone compound modification, liquid phase For ethyl alcohol, the nano aluminium oxide such as modified with fluorosilicone compound can also reach identical hydrophobic effect.Super hydrophobic material is by such as Lower method obtains: in ethanol by nano SiO 2 particle or nano alumina particles (between 20-200nm) dispersion, Tri-alkoxy octyl silicon fluoride is added, ammonium hydroxide or dilute hydrochloric acid hydrolysis, stirring half an hour, which is added, can be obtained.Super hydrophobic material can also It is that tri-alkoxy octyl silicon fluoride is added ammonium hydroxide or dilute hydrochloric acid hydrolysis, stirs half an hour to be the fluorine silicon solution of low-surface-energy It can be obtained.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A1 grades.It is 30Kg/m in expansion density3Item Under part, impact strength can reach 15J.
Embodiment 3:
Reference implementation example 1, A expect that structure substituent group D shown in formula I is tri-alkoxy silicon:R1For carbon atom number Alkyl equal to 4;E is phosphate:R2It is equal to 2 alkyl for carbon atom number, the difference is that, B expects empirical formula III Shown in material, substituent group D H;R3For H.The polyalcohol number of n3=200-300, m=4, m and YH are corresponding consistent, and YH is selected from Pentaerythrite.Catalyst in B material is triethanolamine, content 1wt%.Foaming agent uses water and pentamethylene, and content is respectively 2wt% and 4wt%.Foam stabiliser uses tween, content 2wt%.Fire retardant uses TCPP, content 3wt%.Pore-creating agent Ortego150, content 1wt%.Even hole agent is aerosil, content 5wt% of the even hole agent in B material.The poly- ammonia of gel The production method of the ester pottery super-hydrophobic combined heat-insulating integral plate of spar passes through following steps: (1) cement paper patch being cut into suitable ruler It is very little, then it is placed on bottom surface and the surrounding of foaming mould;(2) polymer protective bag is placed on cement paper, the material of polymer protective bag Any one of non-woven fabrics, plastic wire, metal mesh, glass fiber net may be selected in matter, and sack is hollow, reserves polyurethane foam space;(3) Latticed installation part is fixed on the top of polymer protective bag, and close to the upper surface of foaming mould, the material of latticed installation part can To be any one of polyethylene, polypropylene, polyvinyl chloride, grid, crossover sites are combined into tubing prepared by these materials It is bonded with glue, tubing can be square tube, be also possible to round tube;(4) A material and B are expected to be uniformly mixed, is squeezed into foaming mould The hollow position of polymer protective bag;(5) closed die, foaming start to carry out, and A material and B material start to react, in the process of reaction In, foamed material meeting partial penetration is by polymer protective bag, by cement paper and latticed installation part fixation in situ;(6) foaming knot Beam foamed time about 20 minutes, opens mold, takes out basic insulating layer;(7) the super-hydrophobic Tao Jing rock layers prepared in advance are glued It connects on basic insulating layer, dries, used bonding agent is glue or cement slurry, and the attachment carrier of super-hydrophobic Tao Jing rock layers is Glass magnesium board, calcium silicate board with microporous, plastic plate or metal plate.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A2 grades.It is 30Kg/m in expansion density3Item Under part, impact strength can reach 11J.
Embodiment 4:
Reference implementation example 1, the difference is that, A expects that substituent group D is H in structure shown in formula I, and E H, B expect empirical formula In material shown in III, substituent group D H;The polyalcohol number of n3=200, m=2, m and YH are corresponding consistent, and YH is selected from ethylene glycol, R3For hexyl.The production method of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar passes through following steps: (1) by cement Paper patch is cut into suitable dimension, is then placed on bottom surface and the surrounding of foaming mould;(2) polymer protective bag is placed on cement paper, Any one of non-woven fabrics, plastic wire, metal mesh, glass fiber net may be selected in the material of polymer protective bag, and sack is hollow, reserves poly- Urethane foaming space;(3) latticed installation part is fixed on the top of polymer protective bag, close to the upper surface of foaming mould, grid The material of shape installation part can be any one of polyethylene, polypropylene, polyvinyl chloride, be combined with tubing prepared by these materials At grid, crossover sites are bonded with glue, and tubing can be square tube, are also possible to round tube;(4) super-hydrophobic by what is prepared in advance Tao Jing slabstone is fixed on above installation part, and the attachment carrier of super-hydrophobic Tao Jing slabstone is glass magnesium board, calcium silicate board with microporous, plastic plate or metal Plate;(5) A material and B are expected to be uniformly mixed, squeezes into the hollow position of the polymer protective bag in foaming mould;(6) it closes Mold, foaming start to carry out, and A material and B material start to react, and during reaction, foamed material meeting partial penetration passes through polymer Protective bag, by cement paper and latticed installation part fixation in situ;(7) foaming terminates, and foamed time about 20 minutes, opens mold, It takes out.
Through detecting, the thermal conductivity of prepared plate is 0.018W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A grades.It is 30Kg/m in expansion density3Condition Under, impact strength can reach 14J.
Embodiment 5:
Reference implementation example 1, the difference is that, A material has structure shown in formula IIWherein substituent group D is H, E H, n1=3.
In material shown in B material empirical formula III, substituent group D H;The polyalcohol number corresponding one of n3=200, m=7, m and YH It causes, YH is selected from seven alcohol of nonyl, R3For H.Catalyst in B material is triethanolamine, content 1wt%.Foaming agent uses water and pentamethylene, Content is 2wt% and 4wt% respectively.Foam stabiliser uses tween, content 2wt%.Fire retardant uses TCPP, content 3wt%.Pore-creating agent Ortego150, content 1wt%.Even hole agent is nano SiO 2 particle, granular size 20nm, even hole Content 0.01wt% of the agent in B material.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A2 grades.It is 30Kg/m in expansion density3Item Under part, impact strength can reach 10J.
Embodiment 6:
Reference implementation example 5, the difference is that, A material has structure shown in formula IIWherein substituent group D is tri-alkoxy silicon:R1For carbon atom number equal to 6 Alkyl, E areR2It is equal to 1 methyl, n1=200 for carbon atom number.
B expects in material shown in empirical formula III that substituent group D is tri-alkoxy silicon:R1For carbon atom number etc. In 6 alkyl;The polyalcohol number of n3=200, m=7, m and YH are corresponding consistent, and YH is selected from seven alcohol of nonyl, R3For H.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A grades.It is 30Kg/m in expansion density3Condition Under, impact strength can reach 13J.
Embodiment 7:
Reference implementation example 5, the difference is that, A material has structure shown in formula IIWherein substituent group D is H, and E is phosphate:R2For carbon atom number equal to 1 Alkyl, n1=100.
B expects in material shown in empirical formula III that substituent group D is tri-alkoxy silicon:R1For carbon atom number etc. In 1 alkyl;The polyalcohol number of n3=4000, m=6, m and YH are corresponding consistent, and YH is selected from six alcohol in heptan, R3For H.Urging in B material Agent is triethanolamine, content 1wt%.Foaming agent uses water and pentamethylene, and content is 2wt% and 4wt% respectively.Foam is stablized Agent uses tween, content 2wt%.Fire retardant uses TCPP, content 3wt%.Pore-creating agent Ortego150, content 1wt%.Even hole Agent is nano SiO 2 particle, granular size 20nm, content 0.01wt% of the even hole agent in B material.
Through detecting, the thermal conductivity of prepared plate is 0.019W/ (mK), far superior to current thermal insulation material common on the market Thermal conductivity (general > 0.025-0.030W/ (mK)), flame retardant rating is detected as A2 grades.It is 30Kg/m in expansion density3Item Under part, impact strength can reach 11J.

Claims (10)

  1. The super-hydrophobic combined heat-insulating integral plate of spar 1. a kind of gel polyurethane is made pottery, which is characterized in that including basic insulating layer and base The super-hydrophobic decorative layer of the Tao Jingshi of plinth insulation layer surface, wherein basic insulating layer include latticed installation part, polymer protective bag, Gel polyurethane insulation board and cement paper;Wherein polymer protective bag inner hollow, for accommodating gel polyurethane insulation board Making material, latticed installation part are fixed on above polymer protective bag, and cement paper is fixed on polymer protective bag bottom surface and four In week, the making material of gel polyurethane insulation board foams to form gel polyurethane insulation board process inside polymer protective bag In, gel polyurethane is in situ adhesion-molded together by latticed installation part, polymer protective bag, cement paper;The poly- ammonia of gel The making material of ester insulation board includes A material and B material: wherein A material has structure shown in formula I or II;B expects that ingredient includes III institute of formula The material shown, and catalyst, foaming agent, foam stabiliser are added, material shown in formula III is polyalcohol YH and corresponding oxidation Ene derivative is obtained by polymerization reaction,
    Wherein, substituent group D be H atom orR1For the alkyl of carbon atom number≤6;E be H orR2For carbon The alkyl of atomicity≤2, n1=1-200, n3=1-10000, m=2-8, m are corresponding with the polyalcohol number of YH consistent, and YH is selected from Any one of dihydric alcohol, trihydroxylic alcohol, tetrahydroxylic alcohol, pentabasis alcohol, hexahydroxylic alcohols, heptabasic alcohol, eight yuan of alcohol, R3For H atom or carbon atom The alkyl of number≤6.
  2. 2. the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar according to claim 1, which is characterized in that in B material It is additionally added fire retardant, pore-creating agent, even hole agent.
  3. The super-hydrophobic combined heat-insulating integral plate of spar 3. gel polyurethane according to claim 1 or claim 2 is made pottery, which is characterized in that urge Agent is selected from any one of triethanolamine, triethylamine, stannous octoate;Foaming agent uses water and pentamethylene, and foam stabiliser is adopted With polysiloxanes or tween.
  4. 4. the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar according to claim 2, which is characterized in that fire retardant For TCPP or TCEP;Pore-creating agent is Ortego150;Even hole agent is the even hole agent of silica.
  5. 5. the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar according to claim 4, which is characterized in that titanium dioxide The even hole agent of silicon is particle≤100nm nano SiO 2 particle or aerosil, and content of the even hole agent in B material is 0.01wt%-5wt%.
  6. The super-hydrophobic combined heat-insulating integral plate of spar 6. gel polyurethane according to claim 1 or claim 2 is made pottery, which is characterized in that institute Stating the super-hydrophobic decorative layer of Tao Jingshi is to coat super hydrophobic material in Tao Jingshi decorative layer to obtain, or super hydrophobic material addition is existed It in Tao Jingshi slurry, is directly coated on basic insulating layer, the Tao Jingshi is the silicate ceramic of inorganic toner coloring Porcelain or the quartz particles of coloring, super hydrophobic material are selected from the nano silica of fluorosilicone compound modification, fluorosilicone compound modification Nano aluminium oxide or low-surface-energy fluorine silicon solution.
  7. The super-hydrophobic combined heat-insulating integral plate of spar 7. gel polyurethane according to claim 1 or claim 2 is made pottery, it is characterised in that grid Shape installation part is to be combined into grid using the plastic tube of any one of polyethylene, polypropylene, pvc material production, is intersected Position is bonded with glue.
  8. The super-hydrophobic combined heat-insulating integral plate of spar 8. gel polyurethane according to claim 1 or claim 2 is made pottery, which is characterized in that poly- Closing material used in object protective bag is any one of non-woven fabrics, plastic wire, metal mesh, glass fiber net.
  9. 9. the production method of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar of any of claims 1 or 2, feature It is, comprising the following steps: cement paper is attached to bottom surface and the surrounding of foaming mould;Polymer protective bag is placed on cement paper, It is hollow, foaming space is reserved, latticed installation part is fixed on the top of polymer protective bag, close to the upper surface of foaming mould;By A Material and B material are uniformly mixed, and squeeze into the hollow position of the polymer protective bag in foaming mould;Closed die, foaming;Foaming knot Beam opens mold, takes out basic insulating layer;Tao Jingshi slurry is coated on the basic insulating layer taken out, dries or dries To Tao Jingshi decorative layer;Super hydrophobic material is coated in Tao Jingshi decorative layer, dries or dries;Or, by super hydrophobic material with After the mixing of Tao Jingshi slurry, on the basic insulating layer coated in taking-up, dries or dry;Or the Tao Jingshi prepared in advance is surpassed Hydrophobic decorative layer is bonded on basic insulating layer, is dried or is dried.
  10. 10. the production method of the gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar of any of claims 1 or 2, special Sign is, comprising the following steps: (1) cement paper patch is cut into suitable dimension, is then placed on bottom surface and the surrounding of foaming mould; (2) polymer protective bag is placed on cement paper that sack is hollow, reserves polyurethane foam space;(3) latticed installation part is fixed on The top of polymer protective bag, close to the upper surface of foaming mould;(4) the super-hydrophobic Tao Jing slabstone prepared in advance is fixed on net Above trellis installation part, the attachment carrier of super-hydrophobic Tao Jing slabstone is any in glass magnesium board, calcium silicate board with microporous, plastic plate or metal plate Kind;(5) A material and B are expected to be uniformly mixed, squeezes into the hollow position of the polymer protective bag in foaming mould;(6) closed die, Foaming starts to carry out, and A material and B material start to react, and during reaction, foamed material meeting partial penetration is protected by polymer Bag, by cement paper and latticed installation part fixation in situ;(7) foaming terminates, and opens mold, takes out.
CN201910142380.5A 2019-02-26 2019-02-26 A kind of gel polyurethane pottery super-hydrophobic combined heat-insulating integral plate of spar and preparation method thereof Pending CN109930764A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1159341A1 (en) * 1998-12-18 2001-12-05 The Dow Chemical Company Polyurethane based foam containing exfoliating graphite and the process for the preparation thereof
CN1584254A (en) * 2004-05-27 2005-02-23 拜耳(中国)有限公司 Polyurethane foaming primary forming thermal insulative wallboard and manufacturing process thereof
CN105711208A (en) * 2016-01-30 2016-06-29 万华节能科技集团股份有限公司 Polyurethane-modified inorganic material heat insulation and decoration integrated board and production method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1159341A1 (en) * 1998-12-18 2001-12-05 The Dow Chemical Company Polyurethane based foam containing exfoliating graphite and the process for the preparation thereof
CN1584254A (en) * 2004-05-27 2005-02-23 拜耳(中国)有限公司 Polyurethane foaming primary forming thermal insulative wallboard and manufacturing process thereof
CN105711208A (en) * 2016-01-30 2016-06-29 万华节能科技集团股份有限公司 Polyurethane-modified inorganic material heat insulation and decoration integrated board and production method thereof

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Application publication date: 20190625