CN108948324A - A kind of electrothemic floor insulation board and preparation method thereof - Google Patents

A kind of electrothemic floor insulation board and preparation method thereof Download PDF

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Publication number
CN108948324A
CN108948324A CN201810699947.4A CN201810699947A CN108948324A CN 108948324 A CN108948324 A CN 108948324A CN 201810699947 A CN201810699947 A CN 201810699947A CN 108948324 A CN108948324 A CN 108948324A
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China
Prior art keywords
parts
weight
substrate
insulation board
floor insulation
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CN201810699947.4A
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Chinese (zh)
Inventor
祝丽娟
袁海顺
韦华
张超
傅振华
黄建华
诸爱东
邢小刚
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NANJING HONGBAOLI NEW MATERIALS CO Ltd
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NANJING HONGBAOLI NEW MATERIALS CO Ltd
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Priority to CN201810699947.4A priority Critical patent/CN108948324A/en
Publication of CN108948324A publication Critical patent/CN108948324A/en
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
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    • C08K7/24—Expanded, porous or hollow particles inorganic
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
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Abstract

The invention discloses a kind of electrothemic floor insulation board, including surface material and substrate, surface material is set to the upper and lower surfaces of substrate, and the surface material of the upper surface of substrate is Electric radiant Heating Film.The substrate is to be reacted by inorganic particulate, solid flame retardant with hard polyurethane foam foamed material, the raw material including following parts by weight: 34~83 parts of inorganic particulate, 2~17 parts of solid flame retardant, 15~49 parts of hard polyurethane foam foamed material.24.0~35.0mW/ of substrate thermal coefficient (mK), burning behavior class is not less than the B1 grade in GB8624-2012 " construction material and classification of combustion properties of building materials and products ".Electrothemic floor insulation board volume water absorption rate≤3.0%, dimensional stability (70 DEG C, 48h)≤1.0%, compressive strength >=0.15MPa, low-temp radiating fever, waterproof thermal-insulated, Temperature Size is stablized, and can carry, and integrated molding is easily installed maintenance.

Description

A kind of electrothemic floor insulation board and preparation method thereof
Technical field
The invention belongs to floor heating technical fields, and in particular to a kind of electrothemic floor insulation board and preparation method thereof.
Background technique
Ground radiation heating warms up electricity floor heating with being broadly divided into water according to the difference of heat-supplying mode.Relative to water floor heating, electricity Floor heating mainly have the advantages that comfortable, energy-saving and environmental protection, flexibly, do not need maintenance, so gradually having come into every family.Electricity floor heating Type it is very much, there are commonly heating cable floor heating, electric heating film floor heating and carbon-fiber floor-heatings.Heating cable floor heating is generally with hair Electric heating cable is heat source, is embedded in below floor or in floor, which has high production cost, maintenance inconvenience, heat transfer uneven The disadvantages of even.Electric heating film floor heating by by Electric radiant Heating Film be placed in below floor or floor in generate heat, be by conductive ink, The current-carrying item such as metal, graphene is processed, hot pressing is between insulation polyester film, and long-time heating can be shunk, and lead to heating effect Decline.The fever of carbon-fiber floor-heating category plane, thickness is mostly 20mm or so, and panel is glass magnesium board, and dampness gas and water easily rises after corroding Drum, when mating formation between every piece need to there are the gaps of 8~15cm to install power lead, be easy to cause caused by the unbalance stress of floor It destroys.
It scatters and disappears in order to prevent with reduction heat to underground, improves heat utilization efficiency, reflection of mating formation is needed below floor heating heating layer Film or setting insulating, generally using polyethylene foam, expanded polystyrene foams plate, polyurethane foam board etc., wherein Polyurethane foam thermal coefficient is minimum, minimum using depth of foam under equivalent thermal resistance technical requirements, and it is high can effectively to save house layer.
Currently needing to research and develop one kind has both fever, and high temperature dimensional stability is good, waterproof thermal-insulated, can carry, be easy to pacify Fill the electrothemic floor insulation board of maintenance.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention provides one kind and has both fever, and high temperature dimensional stability is good, and waterproof is protected Temperature can carry, be easily installed electrothemic floor insulation board of maintenance and preparation method thereof.
Specifically: Electric radiant Heating Film being directly integrally formed with polyurethane material, using the height of good heat insulating, stable structure Molecule thermoset polyurethane reduces the water absorption rate of material, waterproof performance is improved, in poly- ammonia as substrate, higher rate of closed hole It is compounded with fire retardant in ester group material using inorganic material, in the high temperature dimensional stability of reinforcement polyurethane foam, flame retardant property Meanwhile improving the physical mechanical property of insulation board.
The technical solution adopted in the present invention is as follows:
A kind of electrothemic floor insulation board, including surface material and substrate, the substrate by inorganic particulate, solid flame retardant with Hard polyurethane foam foamed material reacts, the raw material including following parts by weight: 34~83 parts of inorganic particulate, solid flame retardant 2 ~17 parts, 15~49 parts of hard polyurethane foam foamed material；
The partial size of the inorganic particulate is 30~3000 mesh；
The hard polyurethane foam foamed material include weight ratio be 100:(120~180) component A and component B；
The component A include 100 parts of polyalcohol, 1.5~5.0 parts of catalyst, 2~30 parts of foaming agent, 1.5~3.0 parts of water, 3~30 parts and 0.5~4.0 part of foam stabiliser of liquid combustion inhibitor；
The component B is polyphenyl polymethylene polyisocyanates；
The surface material is set to the upper and lower surfaces of the substrate, and the surface material of the upper surface of the substrate is electricity Hotting mask.
In order to reduce suction-operated of the inorganic particulate to polyurethane liquid raw material, the evenly dispersed of inorganic particulate is realized, from And humidification is played, the partial size of the inorganic particulate is 30~3000 mesh.When the partial size of inorganic particulate is larger, lower than 30 mesh When, it does not can be uniformly dispersed, defect is easily generated in matrix, reduce the physical mechanical property of material instead.But if partial size It is too small, it is higher than 3000 mesh, interparticle use is too strong, and inorganic particulate is easy to reunite, and is unfavorable for the raising of the strength of materials.
Preferably, the Electric radiant Heating Film is wire Electric radiant Heating Film, carbon-based ink Electric radiant Heating Film, electrothermal carbon fibre membrane, carbon crystal plate electricity One of hotting mask, PTC ceramics Electric radiant Heating Film or graphene Electric radiant Heating Film.Electric radiant Heating Film has fast rate of heat transfer, electric heating high conversion rate, hair The advantages that heat is uniform, the thin house layer that do not influence of thickness is high, and manufactured coiled material can be integrally formed online with polyurethane base material.
In order to improve the bonding of insulation board and base, it is preferable that the surface material of the lower surface of the substrate be brown paper, One of non-woven fabrics or cement glass fiber felt.
Preferably, the inorganic particulate is silica, flyash, silicon carbide, sulfate, carbonate, silicate, hydrogen-oxygen Change calcium, expanded perlite, glass bead, hollow glass micropearl, any one or two kinds or more in hollow ceramic microspheres with times The mixture of meaning ratio composition.
It has the special feature that: inorganic material and organic material have preferable compatibility, give full play to the increasing of inorganic particulate Use is pretended, the high temperature dimensional stability energy and mechanical strength of material are improved.
Preferably, the solid flame retardant is that melamine, triphenyl phosphate, antimony oxide, antimony oxide-silica are compound Object, α-hibbsite, oxalic acid aluminium, magnesium hydroxide, magnalium hydrotalcite, expansible graphite, graphene oxide, red phosphorus, phosphoric acid Ammonium, ammonium hydrogen phosphate, ammonium polyphosphate, borax, zinc borate, ammonium borate, line borate, barium metaborate, kodalk, zinc aluminate, fluorine boron At least one of sour ammonium.
Preferably, the polyalcohol is any one or two kinds or more in the pure and mild polyester polyol of polyether polyols with any The mixture of ratio composition, wherein polyether polyol is prepared by initiator and oxyalkylene reaction, oxyalkylene choosing Propylene oxide and/or ethylene oxide；Polyester polyol is selected from aliphatic polyester polyols and/or aromatic polyester polyol.
The foaming agent be HCFC-141b, HFC-245fa, HFC-365mfc, pentane, water or carbon dioxide at least It is a kind of.
The liquid combustion inhibitor is trimethyl phosphate, triethyl phosphate, tributyl phosphate, tricresyl phosphate, tricresyl phosphate Isopropyl phenyl ester, diphenylisooctyl phosphate, tricresyl phosphate (2- chloroethyl) ester, tricresyl phosphate (2- chloropropyl) ester, tricresyl phosphate (2,3- Two chloropropyls) ester, dimethyl methyl phosphonate, at least one of trihydroxy methyl phosphine oxide.
The mass fraction of isocyanate group NCO in the polyphenyl polymethylene polyisocyanates is 30~32%, such as How sub- M20S, M50 of BASF AG, PM-200, PM-400 of ten thousand China's chemistry, more phenyl of the models such as M200 of bright and beautiful three well of lake are Methyl polyisocyanates.
Catalyst uses the catalyst being known from the state of the art, such as triethanolamine, dimethyl cyclohexyl amine, triethylene two The symmetrical Hexahydrotriazine of amine, triethylene diamine, 2,4,6- tri- (dimethylamino methyl) phenol, 1,3,5- tri- (dimethylamino-propyl), Any one in carboxylate, quaternary ammonium salt, dibutyltin dilaurate, stannous octoate or isooctyl acid potassium-dipropylene glycol solution or Two or more mixtures.
The foam stabiliser is organic foam stabilizer used in this field, usable AK8805, AK8811, AK8830, B8460, B8481, B8486, Niax L-5440 etc..
Polyurethane foam formulation of the invention improves foam brittleness, cementability and dimensional stability, keeps higher closed pore Rate, thinner abscess guarantee mobility of the organic foam material raw material in a large amount of solid matters.
In addition, other optional auxiliary agents can be added as needed to obtain more preferably service performance in those skilled in the art. For example, inorfil and/or organic fiber can be added further to reach reinforcing effect, wherein inorfil can be selected from asbestos, One or more of rock wool, mineral wool, mineral wool, alumina silicate fibre, glass fibre etc.；The optional autopolyester of organic fiber is fine One or more of dimension, aramid fiber, polypropylene fiber etc..
Antioxidant, smog inhibitor, crosslinking agent, pigment etc. can be also added as needed in those skilled in the art.
The present invention also provides the preparation methods of above-mentioned electrothemic floor insulation board, including the following steps being connected in order: will Inorganic particulate and solid flame retardant after drying prepare resulting mixture in proportion, after metering sequentially or simultaneously is added into mixture Hard polyurethane foam foamed material A, B component, raw material is cast on the surface material of the lower surface of substrate after being sufficiently mixed, poured The surface material that the upper surface of substrate is covered on the material of note, carries out lamination solidification, 10~20min of curing time, solidification temperature Control is at 30~60 DEG C；Finally, electrothemic floor insulation board is made through curing.
The present invention uses above-mentioned preparation method, realizes that Electric radiant Heating Film and heat preservation substrate are integrally formed, realizes organic foam material Reaction speed it is synchronous with inorganic material wetting speed, reacting balance.
The unmentioned technology of the present invention is referring to the prior art.
The utility model has the advantages that compared with prior art, the invention has the characteristics that:
1, the present invention keeps higher rate of closed hole, thinner abscess using polyurethane foam as substrate, substrate it is thermally conductive 24.0~35.0mW/ of coefficient (mK), insulation board volume water absorption rate≤3.0%.
2, the present invention plays the synergistic effect of storeroom in such a way that inorganic particulate is compounded with solid flame retardant, improves High temperature dimensional stability, intensity and the flame retardant property of insulation board.The dimensional stability (70 DEG C, 48h)≤1.0% of insulation board, pressure Contracting intensity >=0.15MPa, the burning behavior class of substrate is not less than GB8624-2012 " construction material and product burns performance point Grade " in B1 grade.
3, preparation method of the present invention, it is easy to operate, it can be achieved that industrialization large-scale production.
4, electrothemic floor insulation board of the invention is integrally formed, directly seamless spliced, is easily installed maintenance.
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, but it is of the invention Content is not limited solely to the following examples.
In following embodiments, the measurement of thermal coefficient is by GB/T10294-2008 " Technology of Steady State Thermal Resistance of Thermal Insulating Material and related spy Property measurement Guarded hot plate " carry out.GB/T8810-2005 " measurement of rigid foam water absorption rate " is pressed in the measurement of water absorption rate It carries out.The measurement of dimensional stability is carried out by GB/T8811-2008 " rigid foam dimensional stability test method ".Compression The measurement of intensity is carried out by GB/T8813-2008 " measurement of rigid foam compression performance ".The measurement of combustibility is pressed GB8624-2012 " construction material and classification of combustion properties of building materials and products " is carried out.
Embodiment 1
The preparation of inorganic particulate and solid flame retardant: 60~80 mesh diamond dust, 65 parts by weight, 100 mesh calcium hydroxide, 10 weight are taken Measure part, 5 parts by weight of expansible graphite, 5 parts by weight of α-hibbsite；
The preparation of hard polyurethane foam foamed material component A: 100 parts by weight of polyester polyol PS-2502 (Stepan), diformazan are taken 4 parts by weight of basic ring hexylamine, 0.5 parts by weight of dibutyltin dilaurate, 23 parts by weight of HCFC-141b, 2 parts by weight of water, phosphoric acid Three (2- chloropropyl) esters, 10 parts by weight, 10 parts by weight of methyl-phosphoric acid dimethyl ester, 1.15 weight of foam stabiliser AK8805 (Mei Side) Measure part；The preparation of B component: polyphenyl polymethylene polyisocyanates PM-200 (ten thousand China's chemistry) 241 parts by weight are taken；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is sequentially added into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:160), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 75:10:15.Raw material is cast in the surface material cement glass of the lower surface of substrate after being sufficiently mixed On felt, the surface material electrothermal carbon fibre membrane of the upper surface of substrate is covered on the material being poured, carries out lamination solidification, solidify Time 20min, solidification temperature are controlled at 30 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 2
The preparation of inorganic material and solid flame retardant: 40~70 mesh quartz sand, 20 parts by weight, 2000 mesh pulverized limestone, 14 weight are taken Measure part, 10 parts by weight of expansible graphite, 7 parts by weight of borax；
The preparation of hard polyurethane foam foamed material component A: taking polyether polyol HP2502 (red Pola) 27 parts by weight, and polyester is more First 73 parts by weight of alcohol HF-8730 (Hua Feng), 1.9 parts by weight of triethylenediamine, isooctyl acid potassium -0.4 weight of dipropylene glycol solution Part, 8 parts by weight of pentane, 7 parts by weight of HFC-245fa, CO25 parts by weight, 1.6 parts by weight of water, 3 weight of tricresyl phosphate (2- chloropropyl) ester Measure part, 4 parts by weight of foam stabiliser B8460 (Degussa)；The preparation of B component: polyphenyl polymethylene polyisocyanates are taken M200 (bright and beautiful three well of lake) 157 parts by weight；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is added simultaneously into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:120), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 34:17:49.Raw material is cast in the surface material brown paper of the lower surface of substrate after being sufficiently mixed On, the surface material graphene Electric radiant Heating Film of the upper surface of substrate is covered on the material being poured, carries out lamination solidification, when solidification Between 10min, solidification temperature control at 60 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 3
The preparation of inorganic material and solid flame retardant: 60 mesh flyash, 5 parts by weight, 140~200 mesh quartz sand, 25 weight are taken Part, 200~270 mesh expanded perlite, 10 parts by weight, 400 mesh hollow glass micropearl, 5 parts by weight, 10 parts by weight of magnesium hydroxide, oxygen Change 2 parts by weight of antimony；
The preparation of hard polyurethane foam foamed material component A: polyether polyol H4110 (red Pola) 100 parts by weight, three ethyl alcohol are taken 3.5 parts by weight of amine, 1,3,5- tri- (dimethylamino-propyl), 1.5 parts by weight of symmetrical Hexahydrotriazine, 2 parts by weight of foaming agent water, water 1.5 Parts by weight, 15 parts by weight of diphenylisooctyl phosphate, 3 parts by weight of foam stabiliser AK8830 (Mei Side)；The preparation of B component: Take 190 parts by weight of polyphenyl polymethylene polyisocyanates M50 (Basf)；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, metering is first added into mixture Hard polyurethane foam foamed material B component afterwards, the component A (weight ratio 100:150) after adding metering, inorganic particulate, solid The weight ratio of fire retardant and hard polyurethane foam foamed material is 45:12:43.Raw material is cast in the lower surface of substrate after being sufficiently mixed On surface material brown paper, the surface material wire Electric radiant Heating Film of the upper surface of substrate is covered on the material being poured, and is carried out Lamination solidification, curing time 15min, solidification temperature are controlled at 50 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 4
The preparation of inorganic material and solid flame retardant: 325 mesh talcum powder, 38 parts by weight, 200 mesh blanc fixe, 15 weight are taken Part, 1300 mesh wollastonite in powder, 7 parts by weight, 3 parts by weight of melamine, 2 parts by weight of red phosphorus；
The preparation of hard polyurethane foam foamed material component A: taking 75 parts by weight of polyester polyol HF-8730 (Hua Feng), and polyester is more First 25 parts by weight of alcohol HF-86304 (Hua Feng), 1.0 parts by weight of triethylene diamine, isooctyl acid potassium -0.5 weight of dipropylene glycol solution Part, 21 parts by weight of HFC-365mfc, 9 parts by weight of pentane, 1.5 parts by weight of water, 15 parts by weight of triethyl phosphate, trihydroxy methyl oxygen Change 5 parts by weight of phosphine, 0.5 parts by weight of foam stabiliser B8481 (Degussa)；The preparation of B component: polyphenyl polymethylene polyisocyanate is taken 246 parts by weight of cyanate M20S (Basf)；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is sequentially added into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:160), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 60:5:35.Raw material is cast on the surface material non-woven fabrics of the lower surface of substrate after being sufficiently mixed, The carbon-based ink Electric radiant Heating Film of surface material that the upper surface of substrate is covered on the material being poured, carries out lamination solidification, when solidification Between 13min, solidification temperature control at 45 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 5
The preparation of inorganic material and solid flame retardant: 325 mesh talcum powder, 10 parts by weight, 100~120 mesh silica sand, 40 weight are taken Part, 2000 mesh pulverized limestone, 10 parts by weight, 2500 mesh calcite in powder, 10 parts by weight, 2000 mesh sepiolite powder, 5 parts by weight, inflatable stone Black 2 parts by weight；
The preparation of hard polyurethane foam foamed material component A: 100 parts by weight of polyester polyol PS-2502A (Stepan), season are taken Ammonium salt TMR-23 parts by weight, isooctyl acid potassium -0.5 parts by weight of dipropylene glycol solution, foaming agent CO215 parts by weight, 2.4 weight of water Part, 15 parts by weight of tricresyl phosphate (2,3- bis- chloropropyl) ester, 1.6 parts by weight of foam stabiliser B8460 (Degussa)；The standard of B component It is standby: to take polyphenyl polymethylene polyisocyanates PM-400 (ten thousand China's chemistry) 213 parts by weight；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is added simultaneously into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:155), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 75:2:23.Raw material is cast on the surface material non-woven fabrics of the lower surface of substrate after being sufficiently mixed, The surface material PTC ceramics Electric radiant Heating Film that the upper surface of substrate is covered on the material being poured, carries out lamination solidification, curing time 15min, solidification temperature are controlled at 35 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 6
The preparation of inorganic material and solid flame retardant: 325 mesh talcum powder, 15 parts by weight, 140~200 mesh quartz sand, 30 weight are taken Measure part, 60~80 mesh diamond dust, 18 parts by weight, 200 mesh blanc fixe, 15 parts by weight, 100 mesh glass bead, 5 parts by weight, hydroxide 2 parts by weight of magnesium；
The preparation of hard polyurethane foam foamed material component A: taking polyether polyol HP3201 (red Pola) 15 parts by weight, and polyethers is more 85 parts by weight of first alcohol HP2502 (red Pola), 2,4,6- tri- (dimethylamino methyl) phenol, 1.15 parts by weight, dibutyltindilaurylmercaptide 0.55 parts by weight of cinnamic acid ester, 15 parts by weight of HCFC-141b, 8 parts by weight of pentane, 1.8 parts by weight of water, 16 weight of triethyl phosphate Part, 10 parts by weight of dimethyl methyl phosphonate, 2.4 parts by weight of foam stabiliser B8486 (Degussa)；The preparation of B component: more benzene are taken Quito methylene polyisocyanates M20S (Basf) 279 parts by weight；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, metering is first added into mixture Hard polyurethane foam foamed material B component afterwards, the component A (weight ratio 100:180) after adding metering, inorganic particulate, solid The weight ratio of fire retardant and hard polyurethane foam foamed material is 83:2:15.Raw material is cast in the lower surface of substrate after being sufficiently mixed On surface material brown paper, the surface material carbon crystal plate Electric radiant Heating Film of the upper surface of substrate is covered on the material being poured, and is carried out Lamination solidification, curing time 15min, solidification temperature are controlled at 50 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 7
The preparation of inorganic material and solid flame retardant: 100~120 mesh silica sand, 35 parts by weight, 400 mesh hollow ceramic microspheres are taken 10 parts by weight, 5 parts by weight of expansible graphite, 3 parts by weight of triphenyl phosphate；
The preparation of hard polyurethane foam foamed material component A: taking polyether polyol HP2502 (red Pola) 23 parts by weight, and polyester is more 54 parts by weight of first alcohol DM2003 (Beijing dolantin), 23 parts by weight of polyester polyol PS-2402 (Stepan), 2,4,6- tri- (diformazans Amino methyl) 2.1 parts by weight of phenol, isooctyl acid potassium -0.4 parts by weight of dipropylene glycol solution, HCFC-141b20 parts by weight, 3 weight of water Measure part, 12 parts by weight of tricresyl phosphate (2- chloropropyl) ester, 1.2 parts by weight of foam stabiliser AK8811 (Mei Side)；The standard of B component It is standby: to take polyphenyl polymethylene polyisocyanates PM-200 (ten thousand China's chemistry) 208 parts by weight；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is added simultaneously into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:150), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 45:8:47.Raw material is cast in cement glass on the surface material of the lower surface of substrate after being sufficiently mixed Fine felt covers the surface material graphene Electric radiant Heating Film of the upper surface of substrate on the material being poured, carries out lamination solidification, solidifies Time 15min, solidification temperature are controlled at 55 DEG C；Finally, electrothemic floor insulation board is made through curing.
Embodiment 8
The preparation of inorganic material and solid flame retardant: 40~70 mesh quartz sand, 35 parts by weight, 650 mesh silicon powder, 10 weight are taken Part, 5 parts by weight of expansible graphite, 3 parts by weight of ammonium polyphosphate；
The preparation of hard polyurethane foam foamed material component A: taking polyether polyol HP2502 (red Pola) 23 parts by weight, and polyester is more 54 parts by weight of first alcohol DM2003 (Beijing dolantin), 23 parts by weight of polyester polyol PS-2402 (Stepan), dimethylethanolamine 2.1 parts by weight, 0.4 parts by weight of potassium acetate-ethylene glycol solution, 20 parts by weight of HCFC-141b, 2.7 parts by weight of water, bis- (2- of N, N- Hydroxyl isopropyl) 30 parts by weight of AminomethylphosphoniAcid Acid diethylester, 1.2 parts by weight of foam stabiliser AK8804 (Mei Side)；The standard of B component It is standby: to take polyphenyl polymethylene polyisocyanates M200 (bright and beautiful three well of lake) 235 parts by weight；
Inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, meter is added simultaneously into mixture Hard polyurethane foam foamed material A after amount, B component (weight ratio 100:150), inorganic particulate, solid flame retardant and rigid polyurethane The weight ratio for the foam material that is soaked is 45:8:47.Raw material is cast in the surface material cement glass of the lower surface of substrate after being sufficiently mixed On felt, the surface material graphene Electric radiant Heating Film of the upper surface of substrate is covered on the material being poured, carries out lamination solidification, solidify Time 15min, solidification temperature are controlled at 55 DEG C；Finally, electrothemic floor insulation board is made through curing.
The electrothemic floor insulation board that Examples 1 to 8 obtains is tested for the property, the result is shown in tables 1.
The performance evaluation of electrothemic floor insulation board in each example of table 1
The above results demonstrate insulation board of the present invention with low-temp radiating fever, waterproof thermal-insulated, high temperature dimensional stability is good, It can carry, be integrally formed the characteristic for being easily installed maintenance, be suitably applied the technical fields such as floor heating, mural painting.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right Various changes can be made in the form and details for it.

Claims (7)

1. a kind of electrothemic floor insulation board, including surface material and substrate, it is characterised in that: the substrate is by inorganic particulate, solid Body fire retardant is reacted with hard polyurethane foam foamed material, the raw material including following parts by weight: 34~83 parts of inorganic particulate is consolidated 2~17 parts of body fire retardant, 15~49 parts of hard polyurethane foam foamed material；
The partial size of the inorganic particulate is 30~3000 mesh；
The hard polyurethane foam foamed material include weight ratio be 100:(120~180) component A and component B；
The component A includes 100 parts of polyalcohol, 1.5~5.0 parts of catalyst, 2~30 parts of foaming agent, 1.5~3.0 parts of water, liquid 3~30 parts and 0.5~4.0 part of foam stabiliser of fire retardant；
The component B is polyphenyl polymethylene polyisocyanates；
The surface material is set to the upper and lower surfaces of the substrate, and the surface material of the upper surface of the substrate is Electric radiant Heating Film.
2. electrothemic floor insulation board according to claim 1, it is characterised in that: the Electric radiant Heating Film be wire Electric radiant Heating Film, One of carbon-based ink Electric radiant Heating Film, electrothermal carbon fibre membrane, carbon crystal plate Electric radiant Heating Film, PTC ceramics Electric radiant Heating Film or graphene Electric radiant Heating Film.
3. electrothemic floor insulation board according to claim 1, it is characterised in that: the surface material of the lower surface of the substrate For one of brown paper, non-woven fabrics or cement glass fiber felt.
4. electrothemic floor insulation board according to claim 1, it is characterised in that: the inorganic particulate is silica, powder Coal ash, silicon carbide, sulfate, carbonate, silicate, calcium hydroxide, expanded perlite, glass bead, hollow glass micropearl, sky Any one in heart ceramic microbead or two kinds or more the mixtures formed with arbitrary proportion.
5. electrothemic floor insulation board according to claim 1, it is characterised in that: the solid flame retardant be melamine, Triphenyl phosphate, antimony oxide, antimony oxide-silica composite, α-hibbsite, oxalic acid aluminium, magnesium hydroxide, magnalium neatly Stone, expansible graphite, graphene oxide, red phosphorus, ammonium phosphate, ammonium hydrogen phosphate, ammonium polyphosphate, borax, zinc borate, ammonium borate, boron At least one of sour calcium, barium metaborate, kodalk, zinc aluminate, ammonium fluoroborate.
6. electrothemic floor insulation board according to claim 1, it is characterised in that: the polyalcohol is that polyether polyols are pure and mild poly- Any one in ester polyol or two kinds or more the mixtures formed with arbitrary proportion；The foaming agent be HCFC-141b, At least one of HFC-245fa, HFC-365mfc, pentane, water or carbon dioxide；
The liquid combustion inhibitor is trimethyl phosphate, triethyl phosphate, tributyl phosphate, tricresyl phosphate, tricresyl phosphate isopropyl Base phenyl ester, diphenylisooctyl phosphate, tricresyl phosphate (2- chloroethyl) ester, tricresyl phosphate (2- chloropropyl) ester, tricresyl phosphate (2,3- dichloros Propyl) ester, dimethyl methyl phosphonate, at least one of trihydroxy methyl phosphine oxide；
The mass fraction of isocyanate group NCO in the polyphenyl polymethylene polyisocyanates is 30~32%.
7. the preparation method of electrothemic floor insulation board described in any one according to claim 1~6, it is characterised in that: including The following steps being connected in order: the inorganic particulate after drying is prepared into resulting mixture with solid flame retardant in proportion, to mixture In the hard polyurethane foam foamed material A after metering, B component is sequentially or simultaneously added, raw material is cast under substrate after being sufficiently mixed On the surface material on surface, the surface material of the upper surface of substrate is covered on the material being poured, carries out lamination solidification, solidify Temperature is controlled at 30~60 DEG C；Finally, electrothemic floor insulation board is made through curing.
CN201810699947.4A 2018-06-29 2018-06-29 A kind of electrothemic floor insulation board and preparation method thereof Pending CN108948324A (en)

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CN111574678A (en) * 2020-06-03 2020-08-25 湖南省普瑞达内装材料有限公司 Anti-static polyurethane foam base material, preparation method thereof and adhesive tape
CN112028554A (en) * 2020-08-28 2020-12-04 山东领军科技集团有限公司 Graphene oxide modified diatomite fireproof insulation board

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Application publication date: 20181207

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