CN108274875B - A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof - Google Patents
A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof Download PDFInfo
- Publication number
- CN108274875B CN108274875B CN201810010412.1A CN201810010412A CN108274875B CN 108274875 B CN108274875 B CN 108274875B CN 201810010412 A CN201810010412 A CN 201810010412A CN 108274875 B CN108274875 B CN 108274875B
- Authority
- CN
- China
- Prior art keywords
- cement
- magnetic
- parts
- glass felt
- polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3228—Polyamines acyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00422—Magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
Abstract
A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof, the composite board is mainly made of surface layer and sandwich layer, surface layer is with the cement slurry coated fiber felt of doped magnetic micro mist, the magnetic surface layer of tool is made, again by the casting of sandwich layer, the polyurethane plate with surface magnetism is finally obtained.Or it by doping soft magnetism micro mist, magnetizes to obtain the polyurethane plate with surface magnetism after plate is made.In addition, above-mentioned magnetic micro-powder can also be added for the center stock of the composite board or soft magnetic substance obtains the whole magnetic polyurethane plate of tool.
Description
Technical field
The invention belongs to technical field of composite materials, especially a kind of magnetic cement glass felt face Rigid foam polyurethane and its system
Preparation Method.
Background technique
Magnetic plate has many practical uses, and magnetic rubber board is widely used in door and window sealing strip, Toy Industry, advertisement
The occasions such as industry, vehicle-mounted instrument, refrigerator paste, automobile 4S maintenance store.The physical property of magnetic rubber board is mainly characterized by high specific gravity, by
It joined a large amount of magnetic iron powders in the inside, specific gravity reaches 3.8cm3/ g is that specific gravity is most heavy in rubber slab.Hardness is high, and 85 degree or so；
Magnetic 550 ~ 750 height tear left and right；Flatness and bright property are good；Wearability is good, high pressure resistant；Color has black, dark brown, white
Deng；Thickness 0.3-10mm, width 5-600mm, length can be cut according to actual needs or roll.
It is found by retrieval, existing individual character digit printing magnetic coupling plate and installation method
(CN201310534024.0), a kind of preparation method of super-hydrophobic magnetic polyurethane/ferriferrous oxide composite material
(CN201510722029.5), a kind of low magnetic cement and preparation method thereof (CN201611245576.X), a kind of wood composite magnetic
Property plate (CN201710566497.7) etc. patents of invention innovation research has been made to magnetic coupling plate so that magnetic plate exists
It inhales wave ornament materials, build magnetic concrete magnetic shield, Intelligent noise reduction and water-oil separating and furniture and table top door-plate dress
Gorget domain has shown extensive purposes.Meanwhile there are many problems for existing magnetic board technology: wherein patent is " a kind of low
Magnetic cement and preparation method thereof " obtains low magnetic cement, the cement which obtains by the way that magnetic powder is added in cement powders
Magnetic field strength it is too low (< 20nT), while low magnetic cement formula described in the patent, and do not solve it in glass felt coatings art application
The technical issues of.Patent " individual character digit printing magnetic coupling plate and installation method ", a kind of " super-hydrophobic magnetic polyurethane/tetra-
The techniques such as the preparation method of Fe 3 O composite material " and " a kind of wood composite magnetism plate " exist simultaneously its magnetic function
Layer prepares expensive realistic problem, and which has limited its extensive practical applications.
Summary of the invention
The technical issues of solution: the present invention for " how while obtaining magnetic plate, reduce magnetic functional layer at
This, and combine heat preservation noise abatement etc. actual demands " this problem, a kind of magnetic cement glass felt face Rigid foam polyurethane and its system are provided
Preparation Method.Using magnetic cement glass felt face as the surface layer of composite board, using porous light polyurethane sheet as composite board in
Core obtains the composite plate of double-sided magnetic by MULTILAYER COMPOSITE.
Technical solution: a kind of preparation method of magnetism cement glass felt face Rigid foam polyurethane, preparation step are as follows: preparation is magnetic
Cement slurry: first by 250-350 parts of magnetic micro-powders or soft magnetism micro mist, 100-200 parts of quartz sands be uniformly mixed obtain mixing it is micro-
Powder is stand-by, then by 100-200 parts of water, 10-30 parts of cement, 0.5-5 parts of thickeners, 20-60 parts of glue, 1-4 parts of mill bases, which mix, to be stirred
It mixes and is configured to cement slurry, the admixed finepowder prepared is then gradually added into cement slurry, add 1-5 parts of dispersing agents, 1-5 parts
Levelling agent, 1-5 parts of defoaming agents, 1-5 parts of water-reducing agents are kept stirring 1h, or the above mixed slurry is stirred to get point by grinding
Uniform magnetic cement slurry is dissipated, it is finally that the magnetic cement slurry barrelling prepared is stand-by；Prepare the fibre of magnetic water mash cloth
Tie up glass felt volume: magnetic cement slurry being brushed, spraying or is scratched on fiber glass felt volume, slurry with a thickness of 0.3-1mm, will before
State be coated with cement slurry fiber glass felt roll up in 100-300 DEG C of baking oven bake 2-6min to get magnetic Cement fibre glass
Felt volume；The high bubble polyurethane sandwich layer of casting: height bubble polyurethane slurry is cast in aforementioned magnetic Cement fibre glass felt and rolls up the sky to be formed
In chamber, the polyurethane plate for obtaining that superficial layer is magnetic Cement fibre glass felt with a thickness of 10-500mm is formed, then by aforementioned plate
5-10min is baked in 60-90 DEG C of baking oven, and polyurethane plate is finally cut into required size to get magnetic cement is arrived
Glass felt face Rigid foam polyurethane finished product.
Above-mentioned magnetic micro-powder be the iron powder of 100-1000 mesh, ferroso-ferric oxide, ferrite, neodymium iron boron, in SmCo at least
One kind, the soft magnetism micro mist material are iron powder or iron-based, cobalt-based, Ni-based magnetically soft alloy or soft magnetic ferrite or neodymium iron
Having a size of 100-2000 mesh, shape is round or does not advise at least one of boron powder, above-mentioned magnetic micro-powder or soft magnetism micro mist
Then polygon, sheet or threadiness, or modified through silane coupling agent, before use, the magnetic micro-powder is passed through 16-100 purpose
Filter screen screens out large granular impurity.
Above-mentioned quartz sand is 100-1000 mesh, before use, the quartz sand to be passed through to the filter screen of 16-100 mesh, is screened out big
Granule foreign；The cement is to meet portland cement as defined in GB175-2007, ordinary portland cement, slag portland
Cement, Portland pozzolana cement, Portland fly ash cement or composite Portland cement.
Above-mentioned thickener is at least one of hydroxymethyl cellulose, sodium alginate, gas-phase silica, and the glue is
At least one of emulsion paint for building, epoxy resin glue, acrylic resin.
Above-mentioned dispersing agent be hydroxyethyl methacrylate (HPMA), polyethylene glycol 200, polyethylene glycol 400, sodium pyrophosphate,
At least one of tertiary sodium phosphate, sodium metasilicate, sodium disilicate, alkylaryl sulfonates, alkylbenzene sulfonate；The levelling agent
For at least one of BYK-333, dimethyl silicone polymer, acrylic compounds levelling agent, terminal groups modification organosilicon.
Above-mentioned fiber glass felt volume is changed to wire netting, iron foil, shuffling iron wire fiber cloth or their any combination, on
The iron wire diameter 0.3-0.8mm of wire netting, mesh 1-8mm, the iron foil thickness 0.01-0.05mm are stated, the shuffling iron wire is fine
Tie up iron wire weight ratio 20-60%, diameter 0.01-0.05mm, mesh 0.1-2mm in cloth.
Above-mentioned soft magnetism micro mist is added in cement slurry be coated on fibrofelt drying after, then carry out under saturated magnetization environment
It magnetizes.
Above-mentioned high bubble polyurethane slurry is made of combined polyether, cheap filler, polyurethane auxiliary agent and isocyanates, each component
Weight ratio is 0 ~ 300 part of 100 parts of combined polyether, flyash or sludge powder, 0 ~ 20 part of polyurethane auxiliary agent, isocyanates 50-150
Part；Each component weight ratio is in the polyurethane auxiliary agent, triethylene diamine or 0.01 ~ 0.1 part of cyclohexylamine, propylene glycol or Isosorbide-5-Nitrae-
0.05 ~ 0.2 part of 0.5 ~ 2 part of butanediol, stannous octoate or dibutyl tin dilaurate, 0 ~ 2 part of butyl acetate, 1 ~ 5 part of silicone oil, resistance
Fire agent 1-30 parts, 0.5 ~ 2.5 part of foam stabilizer, 0.5 ~ 2.5 part of dispersing agent.
10-100 parts of magnetic micro-powders are added in above-mentioned high bubble polyurethane slurry.
Magnetism cement glass felt face Rigid foam polyurethane made from the above method, composite plate density are 50-800kg/m3, resistance to compression
Intensity is 1-20MPa, thermal coefficient 0.03-0.1W/m.K, and flame retardant rating is B1 or more, can be inserted directly into pin, also
It can be after covering 0.5-0.8mm cloth with iron, cobalt, nickel based metal or the magnet for having adsorption capacity, the A4 that fixed 1-10 opens 80g weight is beaten
Printing paper.
The utility model has the advantages that (1) composite plate of the present invention is compound using magnetic cement glass felt surface layer and height bubble polyurethane sandwich layer
The mode of superposition obtains, the special performance that there is cement-based material to possess on surface, such as ageing-resistant, flame retardant property good (up to A grades),
Pencil hardness height (5H or more), wearability be good, corrosion resistance and good, high and low temperature resistance good (- 150 ~ 800 DEG C) etc..
(2) due to joined composite assistants, magnetism cement glass felt surface layer of the present invention when preparing magnetic cement slurry
Surface smoothness is high, no cracking, scratch, be bubbled elephant skin, be uneven, color difference phenomena such as, with height bubble polyurethane sandwich layer tool
There is very good binding force.
(3) composite plate of the present invention has 100-800kg/m3Apparent density, and be added to a large amount of cheap fillers,
Have the characteristics that density is small, at low cost；Significantly reduce the cost of magnetic plate.
(4) composite plate of the present invention has the compression strength of 1-20MPa, and compression strength is high, can satisfy and actually answers
Intensity requirement.
(5) thermal coefficient of composite plate of the present invention is 0.03-0.1w/ (m.k), has and meets the good of thermal insulation material
Good thermal insulation property, can be applied to field of thermal insulation.
(6) inner core of composite plate of the present invention is light porous layer, there is higher capacity for energy absorption, is had splendid
Noise abatement, damping performance, have broad application prospects in fields such as movable plank house, quake evaluation rooms.
(7) flame retardant rating of composite plate of the present invention is B1 or more, is had the characteristics that nonflammable, ageing-resistant.
(8) surface hardness of composite plate of the present invention is Shao 60-90(A), and internal porous, it can satisfy and arbitrarily insert
Pin etc. is pulled out to be used to fix.
(9) primary raw material of composite plate of the present invention have green non-pollution, the formaldehydeless release of finished product plate, also without
Other pernicious gas releases, it is very environmentally friendly without heavy metals such as lead, cadmium, chromium, mercury；Waste board material can also break into powder recycling again
It utilizes, can be used for Furniture panel, it can also be used to new construction material.
Detailed description of the invention
Fig. 1 is the pictorial diagram of magnetic cement glass felt surface layer.
Fig. 2 is the cross section pictorial diagram of magnetic cement glass felt face Rigid foam polyurethane.
Fig. 3 is the pictorial diagram of magnetic cement glass felt surface layer magnet adsorption multi-layer A4 paper.
Fig. 4 is the pictorial diagram of magnetic cement glass felt face Rigid foam polyurethane magnet adsorption multi-layer A4 paper.
Fig. 5 is magnetic cement glass felt face Rigid foam polyurethane schematic diagram, and high bubble sandwich layer is high bubble polyurethane slurry in figure, fine
Dimension carpet veneer is fiber glass felt, and magnetic cement surface layer is magnetic cement slurry.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modification made by the method for the present invention, step or condition and replaces, belong to the present invention
Range.
Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
A kind of magnetism cement glass felt face Rigid foam polyurethane, including following preparation step:
(1) prepare magnetic cement slurry: first by the iron powder of 300 part of 300 mesh, 100 part of 200 mesh quartz sand is uniformly mixed
It is stand-by to admixed finepowder, then by 150 parts of water, 20 parts of cement, 2 parts of hydroxymethyl celluloses, 30 parts of acrylic sizes, 2 parts of mill bases,
Mixing is configured to cement slurry, and the admixed finepowder prepared is then gradually added into cement slurry, adds 3 parts of metering systems
Sour hydroxyl ethyl ester, 4 parts of acrylic compounds levelling agents are kept stirring 1h with the speed of 2000r/min, the magnetic cement that will finally prepare
Slurry barrelling is stand-by；
(2) the fiber glass felt volume of magnetic water mash cloth is prepared: by magnetic cement slurry blade coating on fiber glass felt volume, slurry
With a thickness of 4mm, the aforementioned fiber glass felt for being coated with cement slurry is rolled up and bakes 2min in 300 DEG C of baking oven to get arriving
Magnetic Cement fibre glass felt volume；
(3) the high bubble polyurethane sandwich layer of casting: by antiaircraft gun polyurethane slurry, that is, 100 parts of combined polyether, 150 parts of flyash, different
110 parts of cyanate；0.05 part of triethylene diamine, 1 part of 1,4-butanediol, 0.1 part of stannous octoate, 2 parts of silicone oil, 10 parts of fire retardant,
2 parts of foam stabilizer, 1 part of dispersing agent stir evenly and be cast in aforementioned magnetic Cement fibre glass felt and roll up in the cavity to be formed, form thickness
For 20mm, superficial layer is the polyurethane plate of magnetic cement fibrofelt, then aforementioned plate is baked in 70 DEG C of baking oven
5min finally cuts polyurethane plate blocking to get to magnetic cement glass felt face Rigid foam polyurethane finished product.After tested, should
Composite plate can be inserted directly into pin, additionally it is possible to fix the A4 printing paper of 10 80g weight with magnet after covering 0.5mm cloth.
The specific performance parameter for the plate being prepared is as shown in table 1:
The correlation performance parameters of high-strength light magnetic polyurethane composite plate in 1 embodiment 1 of table
| Project | Numerical value |
| Surface roughness | Ra6.3 |
| Surface magnetic intensity | 0.12mT |
| Apparent density | 300kg.m-3 |
| Thermal coefficient | 0.045W/ (m.k) |
| Surface hardness | Shao 80(A) |
| Compression strength | 5MPa |
| Flame retardant rating | B1 |
| Porosity | 85% |
| Rate of closed hole | 90% |
Embodiment 2
A kind of magnetism cement glass felt face Rigid foam polyurethane, including following preparation step:
(1) prepare magnetic cement slurry: first by 350 part of 400 mesh neodymium iron boron micropowder, 100 part of 300 mesh quartz sand is uniformly mixed
It is stand-by to obtain admixed finepowder, then by 200 parts of water, 25 parts of conch cement, 4 parts of sodium alginates, 25 parts of epoxy resin glues, 2 parts of colors
Slurry, mixing are configured to cement slurry, the admixed finepowder prepared are then gradually added into cement slurry, add 5 parts of burnt phosphorus
Sour sodium, 4 parts of terminal groups modification organosilicons are kept stirring 1h with the speed of 2000r/min, the magnetic cement slurry that will finally prepare
Barrelling is stand-by；
(2) the fiber glass felt volume of magnetic water mash cloth is prepared: by magnetic cement slurry roller coating on fiber glass felt volume, slurry
With a thickness of 6mm, the aforementioned fiber glass felt for being coated with cement slurry is rolled up and bakes 4min in 200 DEG C of baking oven to get arriving
Magnetic Cement fibre glass felt volume；
(3) the high bubble polyurethane sandwich layer of casting: by antiaircraft gun polyurethane slurry, that is, 100 parts of combined polyether, 200 parts of flyash, different
100 parts of cyanate, 0.1 part of cyclohexylamine, 2 parts of propylene glycol, 0.05 part of dibutyl tin dilaurate, 2 parts of butyl acetate, 2 parts of silicone oil,
12 parts of fire retardant, 2 parts of foam stabilizer, 1.5 parts of dispersing agent stir evenly, be cast in aforementioned magnetic Cement fibre glass felt and roll up the sky to be formed
In chamber, formed with a thickness of 40mm, superficial layer is the polyurethane plate of magnetic cement fibrofelt, then by aforementioned plate at 80 DEG C
It bakes 4min in baking oven, plate magnetizes through pulsed magnetizer after cooling, finally cut polyurethane plate blocking to get to magnetic
Property cement glass felt face Rigid foam polyurethane finished product.
The specific performance parameter for the plate being prepared is as shown in table 2:
The correlation performance parameters of high-strength light magnetic polyurethane composite plate in 2 embodiment 2 of table
| Project | Numerical value |
| Surface roughness | Ra6.3 |
| Surface magnetic intensity | 0.15mT |
| Apparent density | 230kg.m-3 |
| Thermal coefficient | 0.029W/ (m.k) |
| Surface hardness | Shao 80(A) |
| Compression strength | 3MPa |
| Flame retardant rating | B1 |
| Porosity | 88% |
| Rate of closed hole | 92% |
Embodiment 3
A kind of magnetism cement glass felt face Rigid foam polyurethane, including following preparation step:
(1) prepare magnetic cement slurry: first by 250 part of 300 mesh iron powder, 200 part of 400 mesh quartz sand is mixed
It is stand-by to close micro mist, then by 100 parts of water, 10 parts of conch cement, 5 parts of sodium alginates, 60 parts of epoxy resin glues are mixed and prepare
At cement slurry, the admixed finepowder prepared is then gradually added into cement slurry, 1 part of sodium pyrophosphate is added, with 1000r/min
Speed be kept stirring 1h, it is finally that the magnetic cement slurry barrelling prepared is stand-by；
(2) the fiber glass felt volume of magnetic water mash cloth is prepared: by magnetic cement slurry roller coating on fiber glass felt volume, slurry
With a thickness of 6mm, the aforementioned fiber glass felt for being coated with cement slurry is rolled up and bakes 2min in 300 DEG C of baking oven to get arriving
Magnetic Cement fibre glass felt volume；
(3) the high bubble polyurethane sandwich layer of casting: by antiaircraft gun polyurethane slurry, that is, 100 parts of combined polyether, 200 parts of flyash, different
100 parts of cyanate, 0.1 part of cyclohexylamine, 2 parts of propylene glycol, 0.05 part of dibutyl tin dilaurate, 2 parts of butyl acetate, 2 parts of silicone oil,
12 parts of fire retardant, 2 parts of foam stabilizer, 1.5 parts of dispersing agent stir evenly, be cast in aforementioned magnetic Cement fibre glass felt and roll up the sky to be formed
In chamber, it is laid with the wire netting of iron wire diameter 0.4mm mesh 6mm on the inside of cavity both sides, is formed with a thickness of 500mm, superficial layer is
The polyurethane plate of magnetic cement fibrofelt, then aforementioned plate is baked into 4min in 80 DEG C of baking oven, finally by polyurethane
Plate cutting is blocking to get to magnetic cement glass felt face Rigid foam polyurethane finished product.
Claims (9)
1. a kind of preparation method of magnetism cement glass felt face Rigid foam polyurethane, it is characterised in that preparation step are as follows:
Prepare magnetic cement slurry: first by 250-350 part magnetic micro-powders, 100-200 parts of quartz sands are uniformly mixed obtain mixing it is micro-
Powder is stand-by, then by 100-200 parts of water, 10-30 parts of cement, 0.5-5 parts of thickeners, 20-60 parts of glue, 1-4 parts of mill bases, which mix, to be stirred
It mixes and is configured to cement slurry, the admixed finepowder prepared is then gradually added into cement slurry, add 1-5 parts of dispersing agents, 1-5 parts
Levelling agent, 1-5 parts of defoaming agents, 1-5 parts of water-reducing agents are kept stirring 1h, or the above mixed slurry is stirred to get point by grinding
Uniform magnetic cement slurry is dissipated, it is finally that the magnetic cement slurry barrelling prepared is stand-by；
It prepares the fiber glass felt volume of magnetic water mash cloth: magnetic cement slurry being brushed, spray or is scratched on fiber glass felt volume,
Slurry with a thickness of 0.3-1mm, the aforementioned fiber glass felt for being coated with magnetic cement slurry is rolled up and is dried in 100-300 DEG C of baking oven
Roasting 2-6min rolls up to get magnetic Cement fibre glass felt；
The high bubble polyurethane sandwich layer of casting: height bubble polyurethane slurry is cast in aforementioned magnetic Cement fibre glass felt and rolls up the cavity to be formed
In, it is formed and obtains superficial layer with a thickness of 10-500mm as the polyurethane plate of magnetic Cement fibre glass felt, then aforementioned plate is existed
5-10min is baked in 60-90 DEG C of baking oven, and polyurethane plate is finally cut into required size to get magnetic cement glass is arrived
Felt face Rigid foam polyurethane finished product.
2. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The magnetic micro-powder is at least one of the iron powder of 100-1000 mesh, ferrite, neodymium iron boron, SmCo, and shape is for circle or not
Regular polygon, sheet or threadiness, or modified through silane coupling agent, before use, the magnetic micro-powder is passed through 16-100 mesh
Filter screen, screen out large granular impurity.
3. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The quartz sand is 100-1000 mesh, before use, it is miscellaneous to be screened out bulky grain by the filter screen of 16-100 mesh for the quartz sand
Matter；The cement is to meet portland cement as defined in GB175-2007, ordinary portland cement, portland slag cement, fire
Mountain grey matter portland cement, Portland fly ash cement or composite Portland cement.
4. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The thickener is at least one of hydroxymethyl cellulose, sodium alginate, gas-phase silica, and the glue is cream for building
At least one of shellac varnish, epoxy resin glue, acrylic resin.
5. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The dispersing agent be hydroxyethyl methacrylate (HPMA), polyethylene glycol 200, polyethylene glycol 400, sodium pyrophosphate, tertiary sodium phosphate,
At least one of sodium metasilicate, sodium disilicate, alkylaryl sulfonates, alkylbenzene sulfonate；The levelling agent is BYK-
333, at least one of dimethyl silicone polymer, acrylic compounds levelling agent, terminal groups modification organosilicon.
6. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The fiber glass felt volume replaces with wire netting, iron foil, shuffling iron wire fiber cloth or their any combination, the wire netting
Iron wire diameter 0.3-0.8mm, mesh 1-8mm, the iron foil thickness 0.01-0.05mm, iron in the shuffling iron wire fiber cloth
Silk weight ratio 20-60%, diameter 0.01-0.05mm, mesh 0.1-2mm.
7. a kind of preparation method of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that
The high bubble polyurethane slurry is made of combined polyether, cheap filler, polyurethane auxiliary agent and isocyanates, and each component weight ratio is
0 ~ 300 part of 100 parts of combined polyether, flyash or sludge powder, 0 ~ 20 part of polyurethane auxiliary agent, 50-150 parts of isocyanates；Described
Each component weight ratio is in polyurethane auxiliary agent, triethylene diamine or 0.01 ~ 0.1 part of cyclohexylamine, propylene glycol or 1,4-butanediol 0.5
0.05 ~ 0.2 part of ~ 2 parts, stannous octoate or dibutyl tin dilaurate, 0 ~ 2 part of butyl acetate, 1 ~ 5 part of silicone oil, fire retardant 1-30
Part, 0.5 ~ 2.5 part of foam stabilizer, 0.5 ~ 2.5 part of dispersing agent.
8. the preparation method of a kind of magnetic cement glass felt face Rigid foam polyurethane according to claim 1, it is characterised in that institute
It states in high bubble polyurethane slurry and 10-100 parts of magnetic micro-powders is added.
9. magnetism cement glass felt face Rigid foam polyurethane made from any the method for claim 1 ~ 8, it is characterised in that described
Composite plate density be 50-800kg/m3, compression strength 1-20MPa, thermal coefficient 0.03-0.1W/m.K, flame retardant rating
For B1 or more, pin can be inserted directly into, additionally it is possible to the iron, cobalt, Ni-based gold for having adsorption capacity after covering 0.5-0.8mm cloth
Belong to or magnet, fixed 1-10 open the A4 printing paper of 80g weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010412.1A CN108274875B (en) | 2018-01-05 | 2018-01-05 | A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010412.1A CN108274875B (en) | 2018-01-05 | 2018-01-05 | A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108274875A CN108274875A (en) | 2018-07-13 |
| CN108274875B true CN108274875B (en) | 2019-10-29 |
Family
ID=62803229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810010412.1A Active CN108274875B (en) | 2018-01-05 | 2018-01-05 | A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108274875B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162368A (en) * | 2018-10-29 | 2019-01-08 | 安徽瑞联节能科技有限公司 | Exterior wall rock wool-steel plywood with magnetic protection function |
| CN111413189B (en) * | 2020-05-18 | 2020-10-20 | 中国科学院地质与地球物理研究所 | Method for detecting trace elements in pyrite |
| CN113043703A (en) * | 2021-04-08 | 2021-06-29 | 天津工业大学 | Preparation method of polyurethane/ferroferric oxide/fibrofelt flexible noise reduction composite material |
| CN115368059A (en) * | 2022-09-20 | 2022-11-22 | 广州大学 | Tunnel synchronous grouting shock insulation material and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622236A (en) * | 2004-12-14 | 2005-06-01 | 王�锋 | Method for manufacturing soft magnet silicon-aluminium magnetic powder core |
| CN1687542A (en) * | 2005-04-22 | 2005-10-26 | 大连理工大学 | Method for self-densifying concrete through enhanced mesh grid of fiber |
| WO2006088364A1 (en) * | 2005-02-21 | 2006-08-24 | Sûr-Façe B.V. | Building element and methods for manufacturing thereof |
| CN104975692A (en) * | 2014-04-04 | 2015-10-14 | 青岛鑫天宇节能工程有限公司 | Novel EPS decoration component |
| CN105218042A (en) * | 2015-11-17 | 2016-01-06 | 梅庆波 | The preparation method of the directed micro-teel fibre concrete slab of a kind of regeneration aggregate |
| CN106495618A (en) * | 2016-11-10 | 2017-03-15 | 过冬 | A kind of magnetic inhales ripple cement structures |
-
2018
- 2018-01-05 CN CN201810010412.1A patent/CN108274875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622236A (en) * | 2004-12-14 | 2005-06-01 | 王�锋 | Method for manufacturing soft magnet silicon-aluminium magnetic powder core |
| WO2006088364A1 (en) * | 2005-02-21 | 2006-08-24 | Sûr-Façe B.V. | Building element and methods for manufacturing thereof |
| CN1687542A (en) * | 2005-04-22 | 2005-10-26 | 大连理工大学 | Method for self-densifying concrete through enhanced mesh grid of fiber |
| CN104975692A (en) * | 2014-04-04 | 2015-10-14 | 青岛鑫天宇节能工程有限公司 | Novel EPS decoration component |
| CN105218042A (en) * | 2015-11-17 | 2016-01-06 | 梅庆波 | The preparation method of the directed micro-teel fibre concrete slab of a kind of regeneration aggregate |
| CN106495618A (en) * | 2016-11-10 | 2017-03-15 | 过冬 | A kind of magnetic inhales ripple cement structures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108274875A (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108274875B (en) | A kind of magnetism cement glass felt face Rigid foam polyurethane and preparation method thereof | |
| CN101891429B (en) | Ceramic imitation cement component, ceramic imitation cement product and preparation method thereof | |
| CN108276822B (en) | Cement-based enamel paint and preparation method and application thereof | |
| CN106542843B (en) | A method of light heat-insulation wall material is prepared using solid waste | |
| CN113719047B (en) | Building outer wall protection decoration structure, application and construction process | |
| WO2015056138A4 (en) | Stable molded bodies or plates made of lightweight material for thermal insulation and for use as fire protection, method for the production thereof, use thereof, and building equipped therewith | |
| CN107032729A (en) | A kind of lightweight leveling dry powder and mortar | |
| CN111393058A (en) | Energy-saving low-carbon soft porcelain decorative material and preparation method thereof | |
| CN113880523A (en) | Artificial stone substrate and preparation and application thereof | |
| CN109279860B (en) | Preparation method of 3D printing electromagnetic protection light high-strength phosphate cement material | |
| CN109437824B (en) | Preparation method of 3D printing multifunctional MPC cement-based composite material | |
| CN110792239A (en) | Concrete decorative surface heat-preservation fusion plate and manufacturing method thereof | |
| CN112645733B (en) | Glaze-containing closed-cell foamed ceramic with gradient pore structure and preparation method thereof | |
| CN114057452A (en) | External wall thermal insulation material and preparation method and application thereof | |
| CN109265127B (en) | Preparation method of high-strength high-toughness electromagnetic protection material for 3D printing | |
| CN109265128B (en) | Preparation method of electromagnetic protection phosphate material capable of being printed in 3D mode | |
| CN106088504A (en) | A kind of magnesium sulfate red mud sound insulation and noise reduction decorative panel and preparation method thereof | |
| CN111410462B (en) | Through-hole bonding plastering mortar, preparation method thereof and thermal insulation structure integrated plate prepared from same | |
| CN105440813A (en) | Preparation method of environment-friendly soundproof paint | |
| CN112831213A (en) | Preparation method and application of coated porous expanded perlite | |
| CN107324714B (en) | Inorganic fireproof heat-preservation decoration integrated plate and preparation method thereof | |
| CN112500732A (en) | Weather-resistant exterior wall putty powder and preparation method thereof | |
| CN110005320A (en) | Fire resistant doorsets preparation method | |
| CN104876498A (en) | Light-weight energy-saving partition wall slat and manufacturing method thereof | |
| JP6687339B2 (en) | Inorganic board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |