CN112479738A - Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof - Google Patents
Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof Download PDFInfo
- Publication number
- CN112479738A CN112479738A CN202011476714.1A CN202011476714A CN112479738A CN 112479738 A CN112479738 A CN 112479738A CN 202011476714 A CN202011476714 A CN 202011476714A CN 112479738 A CN112479738 A CN 112479738A
- Authority
- CN
- China
- Prior art keywords
- stirring
- parts
- combustible heat
- inorganic composite
- polystyrene
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 229920006389 polyphenyl polymer Polymers 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000002149 hierarchical pore Substances 0.000 title claims abstract description 11
- 239000011810 insulating material Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 61
- 239000002245 particle Substances 0.000 claims abstract description 41
- 229920006327 polystyrene foam Polymers 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011148 porous material Substances 0.000 claims abstract description 17
- 239000012774 insulation material Substances 0.000 claims abstract description 15
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 14
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 14
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 14
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 52
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 23
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 23
- 241001330002 Bambuseae Species 0.000 claims description 23
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 23
- 239000004793 Polystyrene Substances 0.000 claims description 23
- 239000011425 bamboo Substances 0.000 claims description 23
- 229920002223 polystyrene Polymers 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 23
- 239000011246 composite particle Substances 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 15
- 229920000609 methyl cellulose Polymers 0.000 claims description 15
- 239000001923 methylcellulose Substances 0.000 claims description 15
- 235000010981 methylcellulose Nutrition 0.000 claims description 15
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 15
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 15
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 15
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 14
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 14
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 239000004964 aerogel Substances 0.000 claims description 13
- 239000011268 mixed slurry Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000011398 Portland cement Substances 0.000 claims description 10
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 10
- 239000008116 calcium stearate Substances 0.000 claims description 10
- 235000013539 calcium stearate Nutrition 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical group CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 10
- 238000005187 foaming Methods 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims description 2
- 239000004088 foaming agent Substances 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 2
- 150000002484 inorganic compounds Chemical class 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000004604 Blowing Agent Substances 0.000 description 4
- 239000004965 Silica aerogel Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
Classifications
-
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material and a preparation method thereof, relating to the technical field of building heat insulation materials, wherein the material comprises the following raw materials in parts by weight: 100 parts of hydraulic silicate gel material, 8-15 parts of multi-level pore polystyrene foam particles, 0.5-5 parts of flame retardant, 0.5-2 parts of hydroxypropyl methyl cellulose, 1-3 parts of waterproof agent and a proper amount of water. The invention compounds inorganic and organic heat-insulating materials, insulates heat and prevents fire, and adds flame retardant, hydroxypropyl methylcellulose and waterproof agent, the obtained heat-insulating material has light dead weight, small heat conductivity, heat insulation and good strength, and can meet the requirements of various external walls on non-combustion, fire prevention and heat preservation.
Description
Technical Field
The invention relates to the technical field of building heat-insulating materials, in particular to a hierarchical pore inorganic composite polyphenyl non-combustible heat-insulating material and a preparation method thereof.
Background
The inorganic composite polyphenyl non-combustible heat-insulating board is a class-A fireproof heat-insulating material, and is a homogeneous plate-shaped non-combustible product which is compounded by using polystyrene foam particles or plates as heat-insulating matrixes and using a non-magnesite inorganic material treating agent. The mortar has certain shape retention capability under a fire state, does not generate molten drops, has the combustion performance grade reaching A grade, and can be widely applied to the traditional thin plastering system and the external thermal insulation system of the external wall of the thermal insulation decorative plate. However, the existing inorganic composite polyphenyl non-combustible materials on the market have lower strength and can not well meet the requirements on combustion performance.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a multi-level pore inorganic composite polyphenyl non-combustible heat insulation material and a preparation method thereof.
The invention provides a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material which comprises the following raw materials in parts by weight: 100 parts of hydraulic silicate gel material, 8-15 parts of multi-level pore polystyrene foam particles, 0.5-5 parts of flame retardant, 0.5-2 parts of hydroxypropyl methyl cellulose, 1-3 parts of waterproof agent and a proper amount of water.
Preferably, the multi-cellular polystyrene foam particles are prepared as follows: adding bamboo powder into an ethanol water solution, performing ultrasonic dispersion, then adding an ethanol solution of a silane coupling agent KH570, heating, stirring for reaction, filtering, washing and drying to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, then adding the material a, heating, stirring for reaction, filtering and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating, stirring for dissolving, adding benzoyl peroxide, styrene monomer and material b, stirring for reacting under the protection of nitrogen, adding n-pentane when the reaction product is hard, stirring for reacting, sieving, washing and drying to obtain polystyrene composite particles; and pre-foaming and curing the polystyrene composite particles to obtain the modified polystyrene foam particles.
Preferably, the multi-cellular polystyrene foam particles are prepared as follows: adding bamboo powder into 70-80% ethanol water solution, wherein the ratio of material to liquid is 1: 8-10g/mL, ultrasonically dispersing for 20-30min, then adding 7-10% of ethanol solution of silane coupling agent KH570, heating to 40-50 ℃, stirring for reacting for 5-8h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 10-15g/mL, adding the material a, heating to 50-60 ℃, stirring for reaction for 4-6h, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 80-85 ℃, stirring for dissolving, adding benzoyl peroxide, styrene monomer and material b, stirring for reacting under the protection of nitrogen, adding n-pentane when the reaction product is hard, stirring for reacting for 40-60min, sieving, washing and drying to obtain polystyrene composite particles; and pre-foaming and curing the polystyrene composite particles to obtain the modified polystyrene foam particles.
Preferably, the weight ratio of the bamboo powder to the silane coupling agent is 1: 0.7-1.2; the weight ratio of the silicon dioxide aerogel to the bamboo powder is 0.3-0.5: 1; the weight ratio of methyl cellulose, sodium hexametaphosphate, benzoyl peroxide, styrene monomer, material b and foaming agent is 2-4: 1-3: 1-3: 100: 3-7: 6-10.
Preferably, the particle size of the bamboo powder is 500-800 μm.
Preferably, the hydraulic silicate-based gelling material is portland cement.
Preferably, the flame retardant is triethyl phosphate.
Preferably, the water repellent is calcium stearate.
The invention also provides a preparation method of the multi-level pore inorganic composite polyphenyl non-combustible heat insulation material, which is characterized by comprising the following steps:
s1, mixing the hydraulic silicate gel material, the flame retardant, the hydroxypropyl methyl cellulose and the waterproof agent to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
Has the advantages that: the invention discloses a multi-level pore inorganic composite polyphenyl non-combustible heat preservation material, which takes hydraulic silicate gel material as a base material, forms a heat-insulating and fireproof fire prevention layer after hardening, and is added with polystyrene foam particles with a closed micron pore structure, the material has the advantages of light weight, excellent heat-insulating property, good mechanical strength and toughness.
In the porous polystyrene foam particles, loose and porous bamboo powder is used as a raw material, the surface of the porous polystyrene foam particles contains a large number of hydrophilic groups, and the porous polystyrene foam particles can have good compatibility with polystyrene after being modified by a silane coupling agent KH570 containing double bonds; the silicon dioxide aerogel with a nano-pore structure is dispersed in pores of the bamboo powder to form a nano-micron coating structure by blending modification of the silicon dioxide aerogel and the bamboo powder, and the gel is not easy to crack, so that the defects of high brittleness and low strength of the aerogel are overcome, and the strength and the impact resistance of the material are improved; then mixing the modified bamboo powder with polystyrene monomer to prepare polystyrene composite particles, and forming the gel/bamboo powder/polystyrene composite material with a nano-micron multistage coating pore structure through foaming treatment, so that heat conduction and convection heat transfer in micron pores can be further inhibited, and the heat insulation performance of the polystyrene foam material is improved; and the methyl cellulose and the sodium hexametaphosphate dispersant are matched with each other, the particle size distribution of the obtained polystyrene composite particles is concentrated, and the performance of the obtained composite material is stable.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
The invention provides a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material which comprises the following raw materials in parts by weight: 100 parts of Portland cement, 8 parts of multi-level pore polystyrene foam particles, 3 parts of triethyl phosphate, 2 parts of hydroxypropyl methyl cellulose, 1 part of calcium stearate and a proper amount of water.
The preparation of the multi-stage porous polystyrene foam particles is as follows: adding bamboo powder (average particle size of 700 μm) into 70% ethanol water solution at a ratio of 1: dispersing 10g/mL by ultrasonic for 30min, then adding 10% of ethanol solution of silane coupling agent KH570, heating to 40 ℃, stirring for reacting for 8h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 10g/mL, adding the material a, heating to 50 ℃, stirring for reaction for 6 hours, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 80 ℃, stirring for dissolving, adding benzoyl peroxide, a styrene monomer and a material b, stirring for reacting under the protection of nitrogen, adding n-pentane when a reaction product is hard, stirring for reacting for 40min, sieving, washing and drying to obtain polystyrene composite particles; carrying out pre-foaming and curing treatment on the polystyrene composite particles to obtain modified polystyrene foam particles; in the preparation, the weight ratio of the raw materials is bamboo powder: silane coupling agent: silica aerogel 1: 0.7: 0.3, methylcellulose: sodium hexametaphosphate: benzoyl peroxide: styrene monomer: material b: blowing agent 2: 3: 1: 100: 3: 6.
the preparation method comprises the following steps:
s1, mixing the portland cement, triethyl phosphate, hydroxypropyl methyl cellulose and calcium stearate to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
Example 2
The invention provides a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material which comprises the following raw materials in parts by weight: 100 parts of Portland cement, 10 parts of multi-level pore polystyrene foam particles, 2 parts of triethyl phosphate, 1 part of hydroxypropyl methyl cellulose, 3 parts of calcium stearate and a proper amount of water.
The preparation of the multi-stage porous polystyrene foam particles is as follows: adding bamboo powder (average particle size of 700 μm) into 75% ethanol water solution at a ratio of 1: dispersing 10g/mL by ultrasonic for 30min, then adding 9% ethanol solution of silane coupling agent KH570, heating to 45 ℃, stirring for reaction for 7h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 12g/mL, adding the material a, heating to 50 ℃, stirring for reaction for 5 hours, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 80 ℃, stirring for dissolving, adding benzoyl peroxide, a styrene monomer and a material b, stirring for reacting under the protection of nitrogen, adding n-pentane when a reaction product is hard, stirring for reacting for 45min, sieving, washing and drying to obtain polystyrene composite particles; carrying out pre-foaming and curing treatment on the polystyrene composite particles to obtain modified polystyrene foam particles; in the preparation, the weight ratio of the raw materials is bamboo powder: silane coupling agent: silica aerogel 1: 0.8: 0.4, methylcellulose: sodium hexametaphosphate: benzoyl peroxide: styrene monomer: material b: blowing agent 4: 1: 3: 100: 7: 10.
the preparation method comprises the following steps:
s1, mixing the portland cement, triethyl phosphate, hydroxypropyl methyl cellulose and calcium stearate to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
Example 3
The invention provides a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material which comprises the following raw materials in parts by weight: 100 parts of Portland cement, 12 parts of multi-level pore polystyrene foam particles, 5 parts of triethyl phosphate, 1 part of hydroxypropyl methyl cellulose, 2 parts of calcium stearate and a proper amount of water.
The preparation of the multi-stage porous polystyrene foam particles is as follows: adding bamboo powder (average particle size of 700 μm) into 75% ethanol water solution at a ratio of 1: 8g/mL, ultrasonically dispersing for 30min, then adding 8% ethanol solution of silane coupling agent KH570, heating to 50 ℃, stirring for reacting for 6h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 13g/mL, adding the material a, heating to 55 ℃, stirring for reaction for 5 hours, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 85 ℃, stirring for dissolving, adding benzoyl peroxide, a styrene monomer and a material b, stirring for reacting under the protection of nitrogen, adding n-pentane when a reaction product is hard, stirring for reacting for 50min, sieving, washing and drying to obtain polystyrene composite particles; carrying out pre-foaming and curing treatment on the polystyrene composite particles to obtain modified polystyrene foam particles; in the preparation, the weight ratio of the raw materials is bamboo powder: silane coupling agent: silica aerogel 1: 1.0: 0.4, methylcellulose: sodium hexametaphosphate: benzoyl peroxide: styrene monomer: material b: blowing agent 2.5: 2.5: 1.5: 100: 5: 7.
the preparation method comprises the following steps:
s1, mixing the portland cement, triethyl phosphate, hydroxypropyl methyl cellulose and calcium stearate to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
Example 4
The invention provides a hierarchical pore inorganic composite polyphenyl non-combustible heat insulation material which comprises the following raw materials in parts by weight: 100 parts of Portland cement, 15 parts of multi-level pore polystyrene foam particles, 0.5 part of triethyl phosphate, 0.5 part of hydroxypropyl methyl cellulose, 2 parts of calcium stearate and a proper amount of water.
The preparation of the multi-stage porous polystyrene foam particles is as follows: adding bamboo powder (average particle size of 700 μm) into 80% ethanol water solution at a ratio of 1: 8g/mL, ultrasonically dispersing for 30min, then adding 7% ethanol solution of silane coupling agent KH570, heating to 50 ℃, stirring for reacting for 5h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 15g/mL, adding the material a, heating to 60 ℃, stirring for reaction for 4 hours, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 85 ℃, stirring for dissolving, adding benzoyl peroxide, a styrene monomer and a material b, stirring for reacting under the protection of nitrogen, adding n-pentane when a reaction product is hard, stirring for reacting for 60min, sieving, washing and drying to obtain polystyrene composite particles; carrying out pre-foaming and curing treatment on the polystyrene composite particles to obtain modified polystyrene foam particles; in the preparation, the weight ratio of the raw materials is bamboo powder: silane coupling agent: silica aerogel 1: 1.2: 0.5, methylcellulose: sodium hexametaphosphate: benzoyl peroxide: styrene monomer: material b: blowing agent 3: 1.5: 2: 100: 6: 8.
the preparation method comprises the following steps:
s1, mixing the portland cement, triethyl phosphate, hydroxypropyl methyl cellulose and calcium stearate to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
The properties of the insulation materials prepared in examples 1 to 4 of the present invention were measured, and the results are shown in table 1.
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Thermal conductivity W/(m.k) | 0.047 | 0.042 | 0.040 | 0.050 |
| Combustion performance | Class A | Class A | Class A | Class A |
| Tensile strength MPa | 1.15 | 1.14 | 1.25 | 1.32 |
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A multi-level hole inorganic composite polyphenyl non-combustible heat insulation material is characterized by comprising the following raw materials in parts by weight: 100 parts of hydraulic silicate gel material, 8-15 parts of multi-level pore polystyrene foam particles, 0.5-5 parts of flame retardant, 0.5-2 parts of hydroxypropyl methyl cellulose, 1-3 parts of waterproof agent and a proper amount of water.
2. The non-combustible heat insulation material of inorganic composite polystyrene of claim 1, wherein the multi-stage porous polystyrene foam particles are prepared as follows: adding bamboo powder into an ethanol water solution, performing ultrasonic dispersion, then adding an ethanol solution of a silane coupling agent KH570, heating, stirring for reaction, filtering, washing and drying to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, then adding the material a, heating, stirring for reaction, filtering and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating, stirring for dissolving, adding benzoyl peroxide, styrene monomer and material b, stirring for reacting under the protection of nitrogen, adding n-pentane when the reaction product is hard, stirring for reacting, sieving, washing and drying to obtain polystyrene composite particles; and pre-foaming and curing the polystyrene composite particles to obtain the modified polystyrene foam particles.
3. The non-combustible heat insulating material of inorganic composite polystyrene of claim 2, wherein the multi-stage porous polystyrene foam particles are prepared as follows: adding bamboo powder into 70-80% ethanol water solution, wherein the ratio of material to liquid is 1: 8-10g/mL, ultrasonically dispersing for 20-30min, then adding 7-10% of ethanol solution of silane coupling agent KH570, heating to 40-50 ℃, stirring for reacting for 5-8h, filtering, and washing to obtain a material a; ultrasonically dispersing silicon dioxide aerogel into ethanol, wherein the material-liquid ratio is 1: 10-15g/mL, adding the material a, heating to 50-60 ℃, stirring for reaction for 4-6h, filtering, and washing to obtain a material b; adding methyl cellulose and sodium hexametaphosphate into water, heating to 80-85 ℃, stirring for dissolving, adding benzoyl peroxide, styrene monomer and material b, stirring for reacting under the protection of nitrogen, adding n-pentane when the reaction product is hard, stirring for reacting for 40-60min, sieving, washing and drying to obtain polystyrene composite particles; and pre-foaming and curing the polystyrene composite particles to obtain the modified polystyrene foam particles.
4. The non-combustible heat insulation material of inorganic composite polyphenyl with hierarchical pores according to claim 3, characterized in that the weight ratio of the bamboo powder and the silane coupling agent is 1: 0.7-1.2; the weight ratio of the silicon dioxide aerogel to the bamboo powder is 0.3-0.5: 1; the weight ratio of methyl cellulose, sodium hexametaphosphate, benzoyl peroxide, styrene monomer, material b and foaming agent is 2-4: 1-3: 1-3: 100: 3-7: 6-10.
5. The non-combustible heat-insulating material of inorganic composite polyphenyl with multi-level pores as claimed in claim 2, characterized in that the particle size of the bamboo powder is 500-800 μm.
6. The non-combustible heat insulating material of multi-level pore inorganic composite polyphenyl according to claim 1, characterized in that the hydraulic silicate gel material is portland cement.
7. The non-combustible heat insulation material of inorganic composite polyphenyl with hierarchical pores according to claim 1, characterized in that the flame retardant is triethyl phosphate.
8. The non-combustible heat preservation material of inorganic compound polyphenyl of multistage hole according to claim 1 characterized in that, the waterproof agent is calcium stearate.
9. The preparation method of the hierarchical porous inorganic composite polyphenyl noncombustible thermal insulation material according to any one of claims 1 to 7, characterized by comprising the following steps:
s1, mixing the hydraulic silicate gel material, the flame retardant, the hydroxypropyl methyl cellulose and the waterproof agent to obtain a mixed material;
s2, adding water into the mixture and stirring to obtain mixed slurry;
and S3, adding the porous polystyrene foam particles into the mixed slurry, stirring, mixing, pouring into a mold, vibrating and pressurizing, maintaining pressure, molding, demolding, maintaining, and polishing to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476714.1A CN112479738A (en) | 2020-12-15 | 2020-12-15 | Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476714.1A CN112479738A (en) | 2020-12-15 | 2020-12-15 | Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112479738A true CN112479738A (en) | 2021-03-12 |
Family
ID=74917552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011476714.1A Pending CN112479738A (en) | 2020-12-15 | 2020-12-15 | Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112479738A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349085A (en) * | 2021-12-13 | 2022-04-15 | 山东省煤炭科学研究院有限公司 | High-concentration high-salt water thickening agent and preparation method and use method thereof |
| CN114656231A (en) * | 2022-04-27 | 2022-06-24 | 廊谷(天津)新能源科技有限公司 | Preparation method of nano porous material composite polyphenyl non-combustible insulation board |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771802A (en) * | 2014-01-10 | 2014-05-07 | 孙立恒 | Environment-friendly and energy-saving type level-A fireproof insulating high-strength plate for molding foam and preparation method thereof |
| EP2860319A1 (en) * | 2013-10-11 | 2015-04-15 | Daw Se | Thermal insulation composite and thermal insulation composite area and wall structure, comprising the thermal insulation composite or the thermal insulation composite area, and method for the preparation of wall structures |
| CN106187311A (en) * | 2016-07-29 | 2016-12-07 | 合肥广能新材料科技有限公司 | Polystyrene cement composite heat preserving material and preparation method thereof |
| CN106242426A (en) * | 2016-07-29 | 2016-12-21 | 合肥广能新材料科技有限公司 | External-wall heat-insulation material and preparation method thereof |
| CN106674786A (en) * | 2017-01-13 | 2017-05-17 | 湖北工程学院 | Flame-retardant polystyrene bamboo-plastic composite and preparation method thereof |
| CN106866063A (en) * | 2016-12-30 | 2017-06-20 | 上海墙特节能材料有限公司 | A kind of flame retardant type inorganic compounding EPS warming plates and preparation method thereof |
| CN107226966A (en) * | 2017-06-16 | 2017-10-03 | 上海应用技术大学 | A kind of outdoor poly styrene composite material and preparation method thereof |
| CN109161149A (en) * | 2018-05-29 | 2019-01-08 | 陶玲 | A kind of flame resistant heat insulation material and preparation method thereof |
| CN109721312A (en) * | 2019-03-13 | 2019-05-07 | 北京新时代寰宇科技发展有限公司 | A kind of A grades of non-ignitable aeroge polyphenylene heat insulation slab and preparation method thereof |
| CN110590275A (en) * | 2019-09-02 | 2019-12-20 | 合肥候鸟新型材料有限公司 | Graphite polyphenyl particle non-combustible heat preservation plate and preparation method thereof |
| CN110606766A (en) * | 2019-09-20 | 2019-12-24 | 合肥候鸟新型材料有限公司 | Preparation method of multi-melting composite non-combustible insulation board |
| CN110819019A (en) * | 2019-10-24 | 2020-02-21 | 南京聚能新材料有限公司 | Preparation method of composite XPS insulation board |
| CN111978587A (en) * | 2020-09-02 | 2020-11-24 | 安徽祥欣新材料科技有限公司 | Flame-retardant polystyrene material and preparation method thereof |
-
2020
- 2020-12-15 CN CN202011476714.1A patent/CN112479738A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2860319A1 (en) * | 2013-10-11 | 2015-04-15 | Daw Se | Thermal insulation composite and thermal insulation composite area and wall structure, comprising the thermal insulation composite or the thermal insulation composite area, and method for the preparation of wall structures |
| CN103771802A (en) * | 2014-01-10 | 2014-05-07 | 孙立恒 | Environment-friendly and energy-saving type level-A fireproof insulating high-strength plate for molding foam and preparation method thereof |
| CN106187311A (en) * | 2016-07-29 | 2016-12-07 | 合肥广能新材料科技有限公司 | Polystyrene cement composite heat preserving material and preparation method thereof |
| CN106242426A (en) * | 2016-07-29 | 2016-12-21 | 合肥广能新材料科技有限公司 | External-wall heat-insulation material and preparation method thereof |
| CN106866063A (en) * | 2016-12-30 | 2017-06-20 | 上海墙特节能材料有限公司 | A kind of flame retardant type inorganic compounding EPS warming plates and preparation method thereof |
| CN106674786A (en) * | 2017-01-13 | 2017-05-17 | 湖北工程学院 | Flame-retardant polystyrene bamboo-plastic composite and preparation method thereof |
| CN107226966A (en) * | 2017-06-16 | 2017-10-03 | 上海应用技术大学 | A kind of outdoor poly styrene composite material and preparation method thereof |
| CN109161149A (en) * | 2018-05-29 | 2019-01-08 | 陶玲 | A kind of flame resistant heat insulation material and preparation method thereof |
| CN109721312A (en) * | 2019-03-13 | 2019-05-07 | 北京新时代寰宇科技发展有限公司 | A kind of A grades of non-ignitable aeroge polyphenylene heat insulation slab and preparation method thereof |
| CN110590275A (en) * | 2019-09-02 | 2019-12-20 | 合肥候鸟新型材料有限公司 | Graphite polyphenyl particle non-combustible heat preservation plate and preparation method thereof |
| CN110606766A (en) * | 2019-09-20 | 2019-12-24 | 合肥候鸟新型材料有限公司 | Preparation method of multi-melting composite non-combustible insulation board |
| CN110819019A (en) * | 2019-10-24 | 2020-02-21 | 南京聚能新材料有限公司 | Preparation method of composite XPS insulation board |
| CN111978587A (en) * | 2020-09-02 | 2020-11-24 | 安徽祥欣新材料科技有限公司 | Flame-retardant polystyrene material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吕娜: "多级孔结构的二氧化硅气凝胶/聚苯乙烯复合材料的制备和性能研究", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349085A (en) * | 2021-12-13 | 2022-04-15 | 山东省煤炭科学研究院有限公司 | High-concentration high-salt water thickening agent and preparation method and use method thereof |
| CN114349085B (en) * | 2021-12-13 | 2023-10-03 | 山东省煤炭科学研究院有限公司 | High-concentration high-salt water thickening treatment agent, and preparation method and application method thereof |
| CN114656231A (en) * | 2022-04-27 | 2022-06-24 | 廊谷(天津)新能源科技有限公司 | Preparation method of nano porous material composite polyphenyl non-combustible insulation board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101717514B (en) | Modified phenolic resin, foamed material thereof and method for preparing same | |
| CN109232850A (en) | A kind of fire-retardant low thermal conductivity rigid polyurethane foam of aeroge modified heat resistant and preparation method thereof | |
| CN107556036B (en) | Heat insulation board and preparation method thereof | |
| CN112479738A (en) | Hierarchical-pore inorganic composite polyphenyl non-combustible heat-insulating material and preparation method thereof | |
| CN112661429B (en) | Preparation method of non-combustible polystyrene particle composite insulation board and product prepared by same | |
| CN111362608A (en) | Solid waste non-sintered ceramsite and preparation method thereof, foam concrete and light partition board | |
| CN111362647A (en) | Inorganic micro-bead foaming modified silicon-plastic composite thermal insulation material and preparation method thereof | |
| CN108623243A (en) | A kind of flame-retardant high-strength foam concrete and preparation method | |
| CN111170675B (en) | Building floor fireproof heat-insulation material and manufacturing process thereof | |
| CN113979774B (en) | Light sound insulation mortar and preparation method thereof | |
| CN114044647B (en) | Preparation process of A2-level nano inorganic insulation board | |
| KR101885600B1 (en) | Keeping warm boards and fabricating method thereof | |
| CN104446103A (en) | Modified foam thermal insulation material based on waterborne polyester resin and preparation method of modified foam thermal insulation material | |
| CN117088710A (en) | Aerogel composite insulation board and preparation method thereof | |
| CN111348874A (en) | Insulation board for building external wall and preparation method thereof | |
| CN103601448A (en) | Preparation method of wall body for modular building | |
| CN115677292A (en) | Inorganic composite polyphenyl particle foaming insulation board and preparation method thereof | |
| CN111285657B (en) | Thermal insulation wall material and manufacturing process thereof | |
| CN114890743A (en) | Green building material with good heat preservation performance and preparation method thereof | |
| CN112500078A (en) | A-grade inorganic slurry permeable fireproof heat-insulating material and preparation method and application thereof | |
| CN112010625A (en) | Fireproof heat-insulating material and preparation process thereof | |
| TWM588131U (en) | Fireproof heat-insulation material | |
| CN114197663B (en) | Sound-proof, fireproof and heat-insulating outer wall structure of building and construction method thereof | |
| TWI736989B (en) | Fireproof and heat insulation material of the production method | |
| CN110577409B (en) | Building indoor energy storage and heat insulation material and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |
|
| RJ01 | Rejection of invention patent application after publication |