CN108690321A - A kind of preparation method of phenolic board thermal insulation material used for building exterior wall - Google Patents
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall Download PDFInfo
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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
- C08J9/12—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
- 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
- C08J9/143—Halogen containing compounds
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
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- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K7/00—Use of ingredients characterised by shape
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- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
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- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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Abstract
The invention discloses a kind of preparation methods of phenolic board thermal insulation material used for building exterior wall, are related to building material technical field, include the following steps:Expanded perlite and inorganic mineral powder are mixed, surface is sprayed with water, is placed, dry, the ethanol solution of reusable heat solidity dodecyltrimethoxysilane phenol-formaldehyde resin modified sprays mix surface, cures drying, obtains material a;Phenolic resin and carboxy nitrile rubber are mixed into mixing, obtain material b;Glass fibre, aluminium borate whisker, mica powder, sepiolite powder, silane coupling agent, ethyl alcohol are mixed, stirring, add material b, aerosil, castor oil polyoxyethylene ether, mixing, stirring, dichloromethane, lauryl sodium sulfate, curing agent, material a are added, stirs, obtains material c;Material c is poured into mold, it is hot-forming, pressurize cooling to get.The heat preservation and insulation of the phenolic board thermal insulation material of the present invention is good, and intensity is high, is not easy to lose powder scaling-off, fire-protection rating is up to A1 grades.
Description
Technical field
The present invention relates to building material technical field more particularly to a kind of preparations of phenolic board thermal insulation material used for building exterior wall
Method.
Background technology
Phenolic foam heat insulation plate is the raw material based on thermosetting phenolic resin, surfactant is added, with pentamethylene etc.
Low boiling point organic solvent is foaming agent, under acidic catalyst effect, after each component is sufficiently mixed, at 60 DEG C~75 DEG C
At a temperature of foaming, curing molding.Phenolic foam heat insulation plate has the following deficiencies:1 toughness is small, and brittleness is big, easy fracture, easily picking;2
Use low-boiling naphthene series (pentamethylene, hexamethylene, cyclobutane etc.) organic solvent for foaming agent, transport is taken care, and is used
It economically wastes, phenolic foam heat insulation plate digestion time is strictly controlled after production, otherwise reduces fire-protection rating.
Invention content
Technical problems based on background technology, the present invention propose a kind of phenolic board thermal insulation material used for building exterior wall
Preparation method, phenolic board thermal insulation material heat preservation and insulation obtained is good, and intensity is high, is not easy to lose powder scaling-off, fire-retardant fireproof.
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall proposed by the present invention, includes the following steps:
S1, expanded perlite and inorganic mineral powder are mixed, mix surface is sprayed with water, placed, dry, reusable heat solidity
The ethanol solution of dodecyltrimethoxysilane phenol-formaldehyde resin modified sprays mix surface, cures drying, obtains material a;
S2, phenolic resin and carboxy nitrile rubber are added in mixer, mixing, obtain material b;
S3, glass fibre, aluminium borate whisker, mica powder, sepiolite powder, silane coupling agent, ethyl alcohol are mixed, stirring, so
Admixture material b, aerosil, castor oil polyoxyethylene ether, mixing, stirring add dichloromethane, ten thereto afterwards
Sodium dialkyl sulfate, curing agent, material a, stirring, obtain material c;
S4, material c is poured into mold, hot-forming, pressurize, cooling to get.
Preferably, in S1,30-40 parts of expanded perlites and 2.7-4.3 parts of inorganic mineral powders is mixed, are sprayed with 15-24 parts of water
Mix surface is applied, places drying after 15-20h, then phenol is modified with 10% thermosetting property dodecyltrimethoxysilane of 22-29 parts
The ethanol solution of urea formaldehyde sprays mix surface, cures drying.
Preferably, in S2, the weight ratio of phenolic resin and carboxy nitrile rubber is 100:8-15.
Preferably, in S2, smelting temperature is 110-120 DEG C, mixing time 10-20min.
Preferably, in S3, the parts by weight of each raw material are:4-8 parts of glass fibre, 5-10 parts of aluminium borate whisker, mica powder
5-10 parts, 5-10 parts of sepiolite powder, 1-2 parts of silane coupling agent, 15-22 parts of ethyl alcohol, 70-90 parts of material b, silica airsetting
12-19 parts of glue, 1-2 parts of castor oil polyoxyethylene ether, 2-5 parts of dichloromethane, 2-4 parts of lauryl sodium sulfate, curing agent 2-5
Part, 4-8 parts of material a.
Preferably, in S3, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 2-3:The weight ratio composition of 2-3.
Preferably, in S4, hot-forming pressure is 0.7-1.2MPa, and hot pressing temperature is 130-160 DEG C, and hot pressing time is
40-60min。
Preferably, in S4, dwell time 2-4h.
Advantageous effect:The present invention proposes a kind of preparation method of phenolic board thermal insulation material used for building exterior wall, be first by
Inorganic mineral powder is blended with expanded perlite, to be blocked to the open pore on perlite surface, then to blends surface
It sprays water so that part hydration reaction occurs for the inorganic mineral powder for being adsorbed on perlite surface, and the hyrate of generation is filled in treasure
In the hole of Zhu Yan, the consistency and intensity on perlite surface are improved, reduces the water absorption rate of perlite, then by dodecyl three
Methoxy silane phenol-formaldehyde resin modified is coated on its surface, and surface hydrophobic is improved while further blocking its surface opening hole
Property, reduce its water absorption rate, moreover it is possible to improve the brittleness of phenolic resin, improve its impact resistance, to which the surface for increasing perlite is strong
Degree, and the interface binding power between the perlite after phenolic resin modified and base material phenolic resin is good;By phenolic resin and carboxylic
Base nitrile rubber carries out mixing blending, improves the brittleness of phenolic resin, increases its obdurability, improves the closed pore of follow-up foam bubble
Rate and uniformity improve the flexibility of phenol formaldehyde foam;By the phenolic resin of blending and modifying and modified pearl rock mating reaction, material is improved
The fireproof heat insulating performance of material, while reaching A1 grades of fire prevention, light intensity is high, and modified pearl rock is added in final step,
Breakage caused by it in long agitation collision process is avoided, to influence its heat insulation effect;Glass fibre, aluminum borate crystal whisker
Palpus, mica powder, sepiolite powder improve its dispersibility in phenolic resin after silane coupling agent acts on, and increase to phenol formaldehyde foam
By force;Dichloromethane and lauryl sodium sulfate cooperation foaming, form mini porous structures and closed pore, and in castor oil polyoxyethylene
Under the action of ether, improve the stability and uniformity of its foaming, shortens hardening time.The present invention phenolic board thermal insulation material every
Hot good heat insulating, intensity is high, is not easy to lose powder scaling-off, fire-protection rating is up to A1 grades.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall proposed by the present invention, includes the following steps:
S1,30 parts of expanded perlites and 2.7 parts of inorganic mineral powders are mixed, sprays mix surface with 15 parts of water, places 15h
After dry, then spray mixture with the ethanol solution of 22 part of 10% thermosetting property dodecyltrimethoxysilane phenol-formaldehyde resin modified
Surface cures drying, obtains material a;
S2,100 parts of phenolic resin and 8 parts of carboxy nitrile rubber are added in mixer, the mixing 10min at 110 DEG C,
Obtain material b;
S3, by 4 parts of glass fibres, 10 parts of aluminium borate whiskers, 5 parts of mica powders, 10 parts of sepiolite powders, 1 part of silane coupling agent,
Then 70 parts of material b, 19 parts of aerosils, 1 part of castor oil polyoxy second is added in 15 parts of ethyl alcohol mixing, stirring thereto
Alkene ether mixes, and stirring adds 2 parts of dichloromethane, 4 parts of lauryl sodium sulfate, 2 parts of curing agent, 4 parts of material a, stirs, obtains
Material c;Wherein, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 2:2 weight ratio composition;
S4, material c is poured into mold, hot-forming, technological parameter is:Pressure 0.7MPa, 130 DEG C of hot pressing temperature, heat
Press time 40min, pressurize 2h, cooling to get.
Embodiment 2
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall proposed by the present invention, includes the following steps:
S1,40 parts of expanded perlites and 4.3 parts of inorganic mineral powders are mixed, sprays mix surface with 24 parts of water, places 20h
After dry, then spray mixture with the ethanol solution of 29 part of 10% thermosetting property dodecyltrimethoxysilane phenol-formaldehyde resin modified
Surface cures drying, obtains material a;
S2,100 parts of phenolic resin and 15 parts of carboxy nitrile rubber are added in mixer, the mixing at 120 DEG C
20min obtains material b;
S3, by 8 parts of glass fibres, 5 parts of aluminium borate whiskers, 10 parts of mica powders, 5 parts of sepiolite powders, 2 parts of silane coupling agents,
Then 90 parts of material b, 12 parts of aerosils, 2 parts of castor oil polyoxy second are added in 22 parts of ethyl alcohol mixing, stirring thereto
Alkene ether mixes, and stirring adds 5 parts of dichloromethane, 2 parts of lauryl sodium sulfate, 5 parts of curing agent, 8 parts of material a, stirs, obtains
Material c;Wherein, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 2:3 weight ratio composition;
S4, material c is poured into mold, hot-forming, technological parameter is:Pressure 1.2MPa, 160 DEG C of hot pressing temperature, heat
Press time 60min, pressurize 4h, cooling to get.
Embodiment 3
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall proposed by the present invention, includes the following steps:
S1,34 parts of expanded perlites and 4 parts of inorganic mineral powders are mixed, mix surface is sprayed with 21 parts of water, after placing 18h
It is dry, then spray mixture table with the ethanol solution of 27 part of 10% thermosetting property dodecyltrimethoxysilane phenol-formaldehyde resin modified
Face cures drying, obtains material a;
S2,100 parts of phenolic resin and 10 parts of carboxy nitrile rubber are added in mixer, the mixing at 115 DEG C
10min obtains material b;
S3, by 7 parts of glass fibres, 6 parts of aluminium borate whiskers, 8 parts of mica powders, 6 parts of sepiolite powders, 1 part of silane coupling agent, 18
Then 78 parts of material b, 15 parts of aerosils, 2 parts of castor oil polyoxyethylenes are added in part ethyl alcohol mixing, stirring thereto
Ether mixes, and stirring adds 4 parts of dichloromethane, 3 parts of lauryl sodium sulfate, 3 parts of curing agent, 7 parts of material a, stirs, obtains object
Expect c;Wherein, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 2:2 weight ratio composition;
S4, material c is poured into mold, hot-forming, technological parameter is:Pressure 0.8MPa, 140 DEG C of hot pressing temperature, heat
Press time 50min, pressurize 4h, cooling to get.
Embodiment 4
A kind of preparation method of phenolic board thermal insulation material used for building exterior wall proposed by the present invention, includes the following steps:
S1,37 parts of expanded perlites and 3.5 parts of inorganic mineral powders are mixed, sprays mix surface with 18 parts of water, places 17h
After dry, then spray mixture with the ethanol solution of 25 part of 10% thermosetting property dodecyltrimethoxysilane phenol-formaldehyde resin modified
Surface cures drying, obtains material a;
S2,100 parts of phenolic resin and 13 parts of carboxy nitrile rubber are added in mixer, the mixing at 115 DEG C
15min obtains material b;
S3, by 6 parts of glass fibres, 7 parts of aluminium borate whiskers, 7 parts of mica powders, 7 parts of sepiolite powders, 1.5 parts of silane coupling agents,
Then 84 parts of material b, 17 parts of aerosils, 1.5 parts of castor oil polyoxies are added in 20 parts of ethyl alcohol mixing, stirring thereto
Vinethene mixes, and stirring adds 3 parts of dichloromethane, 3 parts of lauryl sodium sulfate, 4 parts of curing agent, 6 parts of material a, stirs,
Obtain material c;Wherein, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 3:2 weight ratio composition;
S4, material c is poured into mold, hot-forming, technological parameter is:Pressure 1MPa, 150 DEG C of hot pressing temperature, hot pressing
Time 50min, pressurize 3h, cooling to get.
The performance of 1-4 of the embodiment of the present invention phenolic board thermal insulation materials prepared is tested, test result see the table below.
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Apparent density (kg/m3) | 55 | 48 | 51 | 50 |
| Compression strength (kPa) | 152 | 158 | 165 | 170 |
| Thermal coefficient (W/mK) | 0.025 | 0.022 | 0.024 | 0.020 |
| Combustibility | A1 | A1 | A1 | A1 |
| Water absorption rate/% | 7.5 | 7.1 | 6.4 | 6.2 |
As can be seen from the table, the phenolic board that prepared by 1-4 of the embodiment of the present invention has good intensity, and apparent density
Small, light, thermal coefficient is small, and it is A1 grades to have good heat preservation and insulation, combustibility, belongs to incombustible construction material
Material, has good anti-flammability, and water absorption rate is small, can be used as architecture exterior wall insulating materials.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of phenolic board thermal insulation material used for building exterior wall, which is characterized in that include the following steps:
S1, expanded perlite and inorganic mineral powder are mixed, mix surface is sprayed with water, placed, dry, reusable heat solidity 12
The ethanol solution of alkyl trimethoxysilane phenol-formaldehyde resin modified sprays mix surface, cures drying, obtains material a;
S2, phenolic resin and carboxy nitrile rubber are added in mixer, mixing, obtain material b;
S3, by glass fibre, aluminium borate whisker, mica powder, sepiolite powder, silane coupling agent, ethyl alcohol mix, stirring, then to
Material b, aerosil, castor oil polyoxyethylene ether is wherein added, mixes, stirring adds dichloromethane, dodecane
Base sodium sulphate, curing agent, material a, stirring, obtain material c;
S4, material c is poured into mold, hot-forming, pressurize, cooling to get.
2. the preparation method of phenolic board thermal insulation material used for building exterior wall according to claim 1, which is characterized in that in S1,
30-40 parts of expanded perlites and 2.7-4.3 parts of inorganic mineral powders are mixed, mix surface is sprayed with 15-24 parts of water, places 15-
It is dry after 20h, then sprayed with the ethanol solution of 10% thermosetting property dodecyltrimethoxysilane phenol-formaldehyde resin modified of 22-29 parts
Mix surface cures drying.
3. the preparation method of phenolic board thermal insulation material used for building exterior wall according to claim 1 or 2, which is characterized in that S2
In, the weight ratio of phenolic resin and carboxy nitrile rubber is 100:8-15.
4. according to the preparation method of any phenolic board thermal insulation materials used for building exterior wall of claim 1-3, which is characterized in that
In S2, smelting temperature is 110-120 DEG C, mixing time 10-20min.
5. according to the preparation method of any phenolic board thermal insulation materials used for building exterior wall of claim 1-4, which is characterized in that
In S3, the parts by weight of each raw material are:4-8 parts of glass fibre, 5-10 parts of aluminium borate whisker, 5-10 parts of mica powder, sepiolite powder
5-10 parts, 1-2 parts of silane coupling agent, 15-22 parts of ethyl alcohol, 70-90 parts of material b, 12-19 parts of aerosil, castor oil
1-2 parts of polyoxyethylene ether, 2-5 parts of dichloromethane, 2-4 parts of lauryl sodium sulfate, 2-5 parts of curing agent, 4-8 parts of material a.
6. according to the preparation method of any phenolic board thermal insulation materials used for building exterior wall of claim 1-5, which is characterized in that
In S3, curing agent is p-methyl benzenesulfonic acid and ethylene glycol according to 2-3:The weight ratio composition of 2-3.
7. according to the preparation method of any phenolic board thermal insulation materials used for building exterior wall of claim 1-6, which is characterized in that
In S4, hot-forming pressure is 0.7-1.2MPa, and hot pressing temperature is 130-160 DEG C, hot pressing time 40-60min.
8. according to the preparation method of any phenolic board thermal insulation materials used for building exterior wall of claim 1-7, which is characterized in that
In S4, dwell time 2-4h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517362A (en) * | 2018-11-05 | 2019-03-26 | 重庆市晨誉建材有限公司 | A kind of novel centrifugal thermal insulation material and preparation method thereof |
| CN110397174A (en) * | 2019-08-20 | 2019-11-01 | 马鞍山市金韩防水保温工程有限责任公司 | A kind of water proof type composite insulation boards and preparation method thereof |
| CN112080850A (en) * | 2020-08-31 | 2020-12-15 | 经纺环境科技(北京)有限公司 | Fire-proof plate and its making method and production equipment |
| CN115785612A (en) * | 2022-12-14 | 2023-03-14 | 广西北海翰鑫木业科技有限公司 | Quartz rubber cloth fiber board and production process thereof |
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| CN102514322A (en) * | 2011-11-15 | 2012-06-27 | 长春工业大学 | Flame-retardant thermal insulation material and preparation method thereof |
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| CN109517362A (en) * | 2018-11-05 | 2019-03-26 | 重庆市晨誉建材有限公司 | A kind of novel centrifugal thermal insulation material and preparation method thereof |
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| CN115785612A (en) * | 2022-12-14 | 2023-03-14 | 广西北海翰鑫木业科技有限公司 | Quartz rubber cloth fiber board and production process thereof |
| CN115785612B (en) * | 2022-12-14 | 2023-06-27 | 广西北海翰鑫木业科技有限公司 | Quartz rubber cloth fiber board and production process thereof |
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