CN108047656A - A kind of high-strength building outer wall thermal insulation material and preparation method thereof - Google Patents
A kind of high-strength building outer wall thermal insulation material and preparation method thereof Download PDFInfo
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- CN108047656A CN108047656A CN201810025405.9A CN201810025405A CN108047656A CN 108047656 A CN108047656 A CN 108047656A CN 201810025405 A CN201810025405 A CN 201810025405A CN 108047656 A CN108047656 A CN 108047656A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J9/06—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 chemical blowing agent
- C08J9/08—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 chemical blowing agent developing carbon dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/20—Ternary blends of expanding agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The invention is related to a kind of high-strength building outer wall thermal insulation material, including following raw material components：Modified epoxy, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate modified straw powder, tetraethyl titanate, aerosil coats oxalic acid, dicyandiamide, modified epoxy is by epoxy resin E51, calcium bicarbonate, magnesium bicarbonate and the reaction of 780 dispersants of SP are made, Isooctyl acrylate monomer modified straw powder is by straw powder, Isooctyl acrylate monomer, isopropyl acrylate, hexamethylene and the reaction of 819 photoinitiators are made, hydroxy-ethyl acrylate modified straw powder is by straw powder, hydroxy-ethyl acrylate, acrylic acid, hydroxypropyl acrylate and the reaction of 184 photoinitiators are made, aerosil coats oxalic acid by oxalic acid, aerosil, Macrogol 600 and the reaction of liquid polyethylene alcohol are made.The invention has excellent heat-insulating property and mechanical strength.
Description
Technical field
The invention is related to a kind of high-strength building outer wall thermal insulation material and preparation method thereof.
Background technology
Epoxy resin is one of most full synthetic resin of yield maximum, kind.Epoxy resin has excellent resistance to organise
Learn the advantages such as reagent burn into hardness, flame retardant property, high temperature resistant, wear-resisting, mechanical strength.Epoxy resin is widely used in resistance to height
The fields such as warm adhesive, fluid sealant, synthetic rock crystal, epoxy flooring coating, structural adhesive.
At present, epoxide resin material needs further to be promoted in heat-insulating property and mechanical strength.The invention is using modified ring
Oxygen resin, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate modified straw powder, tetraethyl titanate, aerosil
Cladding oxalic acid, dicyandiamide are prepared for high-strength building outer wall thermal insulation material, and high-strength building exterior wall prepared by this method is protected
Adiabator has excellent heat-insulating property and mechanical strength.
The content of the invention
The invention is designed to provide a kind of preparation method of high-strength building outer wall thermal insulation material, and this method passes through
Change reactant feed and technology mode, the material of preparation has excellent heat-insulating property and mechanical strength.
To achieve these goals, the technical solution of the invention is as follows.
A kind of high-strength building outer wall thermal insulation material and preparation method thereof, specifically includes following steps：(1), by oxalic acid,
Aerosil, Macrogol 600 and liquid polyethylene alcohol are 30 according to quality parts ratio：22~30：13~16：12~19
It is added in reaction kettle, mixing speed is 75~90r/min, reacts 30min under the conditions of 25~30 DEG C of maintenance system temperature, obtains
Oxalic acid is coated to aerosil；(2), straw powder, hydroxy-ethyl acrylate, acrylic acid, hydroxypropyl acrylate and 184 light are drawn
It is 80 that agent, which is sent out, according to quality parts ratio：38~49：6~12：8~17：0.2~0.7 is added in hydrothermal reaction kettle, maintains hydro-thermal
45~60min is reacted under the conditions of 53~65 DEG C of reaction temperature, product obtains third through 2000W 2~8s of lamp and high pressure mercury, grinding
The hydroxy ethyl ester modified straw powder of olefin(e) acid；(3), it is straw powder, Isooctyl acrylate monomer, isopropyl acrylate, hexamethylene and 819 are light-initiated
Agent is according to quality parts ratio 80：35~43：9~17：115~130：0.6~1 is added in hydrothermal reaction kettle, maintains hydro-thermal anti-
Answer and 50~75min reacted under the conditions of 32~36 DEG C of temperature, product through 3000W 4~10s of lamp and high pressure mercury, grind to get to
Isooctyl acrylate monomer modified straw powder；(4), by epoxy resin E51, calcium bicarbonate, magnesium bicarbonate and SP-780 dispersants according to
Quality parts ratio 100：7~13：5~12：4~8 are added in ball mill, ball milling speed be 100~150r/min, maintenance system
20~35min is reacted under the conditions of temperature -10~0 DEG C to get to modified epoxy；(5), by modified epoxy, acrylic acid
Different monooctyl ester modified straw powder, hydroxy-ethyl acrylate modified straw powder, tetraethyl titanate, aerosil cladding oxalic acid, double cyanogen
Amine is according to quality parts ratio 120：21~29：33~41：8~18：12~18：34~44 are added in reaction kettle, mixing speed
For 60~80r/min, 25~30min is reacted under the conditions of 23~30 DEG C of maintenance system temperature, transfers the material into solidification equipment
It is interior, cure 1.5h in 115 DEG C to get to high-strength building outer wall thermal insulation material.
The preparation method of high-strength building outer wall thermal insulation material described in the invention, comprises the following steps：
(1), it is 30 according to quality parts ratio by oxalic acid, aerosil, Macrogol 600 and liquid polyethylene alcohol：22~
30：13~16：12~19 are added in reaction kettle, mixing speed be 75~90r/min, 25~30 DEG C of items of maintenance system temperature
30min is reacted under part, obtains aerosil cladding oxalic acid；The purpose of the aerosil in order to prevent oxalic acid with
Unclassified stores is contacted and thermally decomposed.
(2), by straw powder, hydroxy-ethyl acrylate, acrylic acid, hydroxypropyl acrylate and 184 photoinitiators according to mass parts
Number is than being 80：38~49：6~12：8~17：0.2~0.7 is added in hydrothermal reaction kettle, maintains hydrothermal temperature 53~65
45~60min is reacted under the conditions of DEG C, product obtains hydroxy-ethyl acrylate modification through 2000W 2~8s of lamp and high pressure mercury, grinding
Straw powder；The hydroxy-ethyl acrylate, acrylic acid, the purpose of hydroxypropyl acrylate are in order to improve the mechanical strength of straw powder.
(3), by straw powder, Isooctyl acrylate monomer, isopropyl acrylate, hexamethylene and 819 photoinitiators according to mass parts
Number ratio 80：35~43：9~17：115~130：0.6~1 is added in hydrothermal reaction kettle, maintains hydrothermal temperature 32~36
50~75min is reacted under the conditions of DEG C, product grinds and changes to get to Isooctyl acrylate monomer through 3000W 4~10s of lamp and high pressure mercury
Property straw powder；The Isooctyl acrylate monomer and the purpose of isopropyl acrylate are in order to improve the toughness of straw powder.
(4), by epoxy resin E51, calcium bicarbonate, magnesium bicarbonate and SP-780 dispersants according to quality parts ratio 100：7
~13：5~12：4~8 are added in ball mill, ball milling speed be 100~150r/min, -10~0 DEG C of item of maintenance system temperature
20~35min is reacted under part to get to modified epoxy；The calcium bicarbonate and the purpose of magnesium bicarbonate are in order to improve ring
The porosity and heat-insulating property of oxygen resin.
(5), by modified epoxy, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate modified straw powder, metatitanic acid
Tetra-ethyl ester, aerosil cladding oxalic acid, dicyandiamide are according to quality parts ratio 120：21~29：33~41：8~18：12~
18：34~44 are added in reaction kettle, and mixing speed is 60~80r/min, is reacted under the conditions of 23~30 DEG C of maintenance system temperature
25~30min is transferred the material into solidification equipment, cures 1.5h in 115 DEG C to get to high-strength building outer wall thermal insulation material
Material；The purpose of the tetraethyl titanate is in order to improve the heat-insulating property of high-strength building outer wall thermal insulation material.
The advantageous effect of the invention is：
1st, oxalic acid is heated easy decomposition, is coated by aerosil, can not only improve the stability of oxalic acid in the reaction system,
Also it is avoided that oxalic acid is contacted or reacted with unclassified stores；In curing molding, oxalic acid by thermal decomposition because being used as pore creating material, energy
Improve the porosity and heat-insulating property of high-strength building outer wall thermal insulation material；
2nd, hydroxy-ethyl acrylate, acrylic acid and hydroxypropyl acrylate monomer can be impregnated into inside straw powder by hydrothermal condition, led to
Cross curing reaction, hydroxy-ethyl acrylate, acrylic acid and hydroxypropyl acrylate monomer polymerization city polymer, the polymer conduct of generation
A part for straw powder can improve the mechanical strength of straw powder；The hydroxy-ethyl acrylate modified straw powder of preparation can improve high-strength
Spend the mechanical strength of thermal insulation material used for building exterior wall；
3rd, Isooctyl acrylate monomer and isopropyl acrylate monomer can be impregnated into inside straw powder by hydrothermal condition, anti-by curing
Should, Isooctyl acrylate monomer and isopropyl acrylate monomer polymerization city polymer, the part of the polymer of generation as straw powder,
The toughness of straw powder can be improved；The Isooctyl acrylate monomer modified straw powder of preparation can improve high-strength building outer wall thermal insulation material
Toughness；
4th, calcium bicarbonate and magnesium bicarbonate are heated to decompose in epoxy resin cure, decompose the gas of generation as ring
The pore creating material of oxygen resin can improve the porosity of epoxy resin；The modified epoxy of preparation can improve high-strength building exterior wall
With the heat-insulating property of thermal insulation material；
5th, tetraethyl titanate while generating titanium dioxide, releases ethyl alcohol, to a certain degree in epoxy resin cure
On, tetraethyl titanate can improve the heat-insulating property of high-strength building outer wall thermal insulation material；
6th, in modified epoxy, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate modified straw powder, metatitanic acid tetrem
Under ester, aerosil cladding oxalic acid, dicyandiamide synergistic effect, assign high-strength building outer wall thermal insulation material excellent guarantor
Warm nature energy and mechanical strength.
Specific embodiment
The specific embodiment of the invention is described with reference to embodiment, to be better understood from the invention.
Embodiment 1
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 23 parts of aerosils, 14 parts of Macrogol 600s and 15 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 80r/min reacts 30min under the conditions of 27 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 41 parts of hydroxy-ethyl acrylates, 7 parts of acrylic acid, 10 parts of hydroxypropyl acrylates and 0.4 part 184 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 50min under the conditions of 58 DEG C of hydrothermal temperature, product is through 2000W high
Pressure mercury lamp illumination 4s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 39 parts of Isooctyl acrylate monomers, 13 parts of isopropyl acrylates, 120 parts of hexamethylenes and 0.7 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 65min, product warp under the conditions of 36 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 6s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,9 parts of calcium bicarbonates, 8 parts of magnesium bicarbonates and 6 parts of SP-780 dispersants are weighed and are added to ball
In grinding machine, ball milling speed 135r/min reacts 26min under the conditions of -6 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 26 parts of Isooctyl acrylate monomer modified straw powders, 37 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 10 parts of tetraethyl titanates, 14 parts of aerosil cladding oxalic acid, 38 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 75r/min, reacts 26min under the conditions of 25 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 2
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 22 parts of aerosils, 13 parts of Macrogol 600s and 12 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 75r/min reacts 30min under the conditions of 25 DEG C of maintenance system temperature, obtains aerosil bag
Cover oxalic acid；
(2), 80 parts of straw powders, 38 parts of hydroxy-ethyl acrylates, 6 parts of acrylic acid, 8 parts of hydroxypropyl acrylates and 0.2 part of 184 light are weighed
Initiator is added in hydrothermal reaction kettle, maintains to react 60min under the conditions of 53 DEG C of hydrothermal temperature, product is through 2000W high pressures
Mercury lamp illumination 2s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 35 parts of Isooctyl acrylate monomers, 9 parts of isopropyl acrylates, 115 parts of hexamethylenes and 0.6 part 819 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 75min under the conditions of 32 DEG C of hydrothermal temperature, product is through 3000W high
Pressure mercury lamp illumination 4s is ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,7 parts of calcium bicarbonates, 5 parts of magnesium bicarbonates and 4 parts of SP-780 dispersants are weighed and are added to ball
In grinding machine, ball milling speed 100r/min reacts 35min under the conditions of -10 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 21 parts of Isooctyl acrylate monomer modified straw powders, 33 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 8 parts of tetraethyl titanates, 12 parts of aerosil cladding oxalic acid, 34 parts of dicyandiamides are added in reaction kettle, stirring speed
It spends for 60r/min, reacts 30min under the conditions of 23 DEG C of maintenance system temperature, transfer the material into solidification equipment, it is solid in 115 DEG C
Change 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 3
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 30 parts of aerosils, 16 parts of Macrogol 600s and 19 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 90r/min reacts 30min under the conditions of 30 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 49 parts of hydroxy-ethyl acrylates, 12 parts of acrylic acid, 17 parts of hydroxypropyl acrylates and 0.7 part 184 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 45min under the conditions of 65 DEG C of hydrothermal temperature, product is through 2000W high
Pressure mercury lamp illumination 8s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 43 parts of Isooctyl acrylate monomers, 17 parts of isopropyl acrylates, 130 parts of hexamethylenes and 1 part 819 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 50min under the conditions of 36 DEG C of hydrothermal temperature, product is through 3000W high
Pressure mercury lamp illumination 10s is ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,13 parts of calcium bicarbonates, 12 parts of magnesium bicarbonates and 8 parts of SP-780 dispersants are weighed to be added to
In ball mill, ball milling speed 150r/min reacts 20min under the conditions of 0 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 29 parts of Isooctyl acrylate monomer modified straw powders, 41 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 18 parts of tetraethyl titanates, 18 parts of aerosil cladding oxalic acid, 44 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 80r/min, reacts 25min under the conditions of 30 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 4
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 24 parts of aerosils, 15 parts of Macrogol 600s and 13 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 79r/min reacts 30min under the conditions of 27 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 39 parts of hydroxy-ethyl acrylates, 8 parts of acrylic acid, 9 parts of hydroxypropyl acrylates and 0.5 part of 184 light are weighed
Initiator is added in hydrothermal reaction kettle, maintains to react 48min under the conditions of 55 DEG C of hydrothermal temperature, product is through 2000W high pressures
Mercury lamp illumination 4s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 39 parts of Isooctyl acrylate monomers, 11 parts of isopropyl acrylates, 119 parts of hexamethylenes and 0.8 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 58min, product warp under the conditions of 34 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 7s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,9 parts of calcium bicarbonates, 7 parts of magnesium bicarbonates and 5 parts of SP-780 dispersants are weighed and are added to ball
In grinding machine, ball milling speed 120r/min reacts 28min under the conditions of -7 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 25 parts of Isooctyl acrylate monomer modified straw powders, 37 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 9 parts of tetraethyl titanates, 14 parts of aerosil cladding oxalic acid, 39 parts of dicyandiamides are added in reaction kettle, stirring speed
It spends for 67r/min, reacts 29min under the conditions of 25 DEG C of maintenance system temperature, transfer the material into solidification equipment, it is solid in 115 DEG C
Change 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 5
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 26 parts of aerosils, 14 parts of Macrogol 600s and 18 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 88r/min reacts 30min under the conditions of 29 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 44 parts of hydroxy-ethyl acrylates, 11 parts of acrylic acid, 9 parts of hydroxypropyl acrylates and 0.6 part 184 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 53min under the conditions of 63 DEG C of hydrothermal temperature, product is through 2000W high
Pressure mercury lamp illumination 3s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 36 parts of Isooctyl acrylate monomers, 10 parts of isopropyl acrylates, 118 parts of hexamethylenes and 0.8 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 56min, product warp under the conditions of 33 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 7s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,11 parts of calcium bicarbonates, 8 parts of magnesium bicarbonates and 5 parts of SP-780 dispersants are weighed to be added to
In ball mill, ball milling speed 130r/min reacts 29min under the conditions of -6 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 28 parts of Isooctyl acrylate monomer modified straw powders, 39 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 13 parts of tetraethyl titanates, 16 parts of aerosil cladding oxalic acid, 40 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 73r/min, reacts 29min under the conditions of 26 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 6
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 29 parts of aerosils, 15 parts of Macrogol 600s and 17 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 87r/min reacts 30min under the conditions of 28 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 47 parts of hydroxy-ethyl acrylates, 10 parts of acrylic acid, 14 parts of hydroxypropyl acrylates and 0.6 part 184 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 51min under the conditions of 62 DEG C of hydrothermal temperature, product is through 2000W high
Pressure mercury lamp illumination 7s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 37 parts of Isooctyl acrylate monomers, 16 parts of isopropyl acrylates, 119 parts of hexamethylenes and 0.8 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 73min, product warp under the conditions of 35 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 8s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,12 parts of calcium bicarbonates, 8 parts of magnesium bicarbonates and 7 parts of SP-780 dispersants are weighed to be added to
In ball mill, ball milling speed 130r/min reacts 32min under the conditions of -2 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 26 parts of Isooctyl acrylate monomer modified straw powders, 35 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 13 parts of tetraethyl titanates, 14 parts of aerosil cladding oxalic acid, 38 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 71r/min, reacts 28min under the conditions of 26 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 7
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 23 parts of aerosils, 14 parts of Macrogol 600s and 12 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 81r/min reacts 30min under the conditions of 27 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 46 parts of hydroxy-ethyl acrylates, 9 parts of acrylic acid, 9 parts of hydroxypropyl acrylates and 0.7 part of 184 light are weighed
Initiator is added in hydrothermal reaction kettle, maintains to react 53min under the conditions of 58 DEG C of hydrothermal temperature, product is through 2000W high pressures
Mercury lamp illumination 4s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 41 parts of Isooctyl acrylate monomers, 11 parts of isopropyl acrylates, 123 parts of hexamethylenes and 0.7 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 71min, product warp under the conditions of 35 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 8s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,9 parts of calcium bicarbonates, 11 parts of magnesium bicarbonates and 7 parts of SP-780 dispersants are weighed to be added to
In ball mill, ball milling speed 130r/min reacts 28min under the conditions of -4 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 27 parts of Isooctyl acrylate monomer modified straw powders, 36 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 12 parts of tetraethyl titanates, 13 parts of aerosil cladding oxalic acid, 44 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 67r/min, reacts 28min under the conditions of 29 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Embodiment 8
A kind of high-strength building outer wall thermal insulation material, its preparation method comprise the following steps：
(1), 30 parts of oxalic acid, 27 parts of aerosils, 15 parts of Macrogol 600s and 18 parts of liquid polyethylene alcohol are weighed to be added to
In reaction kettle, mixing speed 83r/min reacts 30min under the conditions of 28 DEG C of maintenance system temperature, obtains aerosil
Coat oxalic acid；
(2), 80 parts of straw powders, 48 parts of hydroxy-ethyl acrylates, 11 parts of acrylic acid, 14 parts of hydroxypropyl acrylates and 0.4 part 184 are weighed
Photoinitiator is added in hydrothermal reaction kettle, maintains to react 56min under the conditions of 59 DEG C of hydrothermal temperature, product is through 2000W high
Pressure mercury lamp illumination 7s, grinding, obtains hydroxy-ethyl acrylate modified straw powder；
(3), 80 parts of straw powders, 41 parts of Isooctyl acrylate monomers, 13 parts of isopropyl acrylates, 126 parts of hexamethylenes and 0.7 part are weighed
819 photoinitiators are added in hydrothermal reaction kettle, maintain to react 71min, product warp under the conditions of 33 DEG C of hydrothermal temperature
3000W lamp and high pressure mercury 7s are ground to get to Isooctyl acrylate monomer modified straw powder；
(4), 100 parts of epoxy resin E51,11 parts of calcium bicarbonates, 11 parts of magnesium bicarbonates and 6 parts of SP-780 dispersants are weighed to be added to
In ball mill, ball milling speed 140r/min reacts 29min under the conditions of -3 DEG C of maintenance system temperature to get to modified epoxy tree
Fat；
(5), 120 parts of modified epoxies, 26 parts of Isooctyl acrylate monomer modified straw powders, 40 parts of hydroxy-ethyl acrylates are weighed to be modified
Straw powder, 14 parts of tetraethyl titanates, 16 parts of aerosil cladding oxalic acid, 43 parts of dicyandiamides are added in reaction kettle, are stirred
Speed is 77r/min, reacts 30min under the conditions of 26 DEG C of maintenance system temperature, transfers the material into solidification equipment, in 115 DEG C
Cure 1.5h to get to high-strength building outer wall thermal insulation material.
Reference examples 1
In this reference examples, aerosil cladding oxalic acid is not added, other components and preparation method are same as Example 1.
Reference examples 2
In this reference examples, hydroxy-ethyl acrylate modified straw powder is not added, and other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, Isooctyl acrylate monomer modified straw powder is not added, and other components and preparation method are same as Example 1.
Reference examples 4
In this reference examples, tetraethyl titanate is not added, other components and preparation method are same as Example 1.
Reference examples 5
The aerosil selected in this reference examples, in formula in common oxalic acid alternate embodiment 1 coats oxalic acid, other components
It is same as Example 1 with preparation method.
Reference examples 6
The hydroxy-ethyl acrylate modified straw powder in common straw powder alternate embodiment 1 is selected in this reference examples, in formula, it is other
Component is same as Example 1 with preparation method.
Reference examples 7
The Isooctyl acrylate monomer modified straw powder in common straw powder alternate embodiment 1 is selected in this reference examples, in formula, it is other
Component is same as Example 1 with preparation method.
Reference examples 8
The modified epoxy in ordinary epoxy resin alternate embodiment 1, other components and system are selected in this reference examples, in formula
Preparation Method is same as Example 1.
The performance parameter of high-strength building outer wall thermal insulation material made from 1 embodiment 1 of table and reference examples 1~8
| Embodiment 1 | Reference examples 1 | Reference examples 2 | Reference examples 3 | Reference examples 4 | Reference examples 5 | Reference examples 6 | Reference examples 7 | Reference examples 8 | |
| Thermal conductivity factor/W/ (m2.K) | 0.011 | 0.025 | 0.013 | 0.014 | 0.016 | 0.032 | 0.017 | 0.019 | 0.023 |
| Tensile strength/MPa | 63 | 61 | 55 | 58 | 60 | 53 | 52 | 56 | 59 |
The above is the preferred embodiment of the invention, it is noted that for those skilled in the art,
On the premise of the inventive principle is not departed from, several improvements and modifications can also be made, these improvements and modifications are also considered as the hair
Bright protection domain.
Claims (3)
1. a kind of preparation method of high-strength building outer wall thermal insulation material, it is characterised in that：Including following raw material components：It is modified
Epoxy resin, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate modified straw powder, tetraethyl titanate, gas phase titanium dioxide
Silicon cladding oxalic acid, dicyandiamide, the modified epoxy, Isooctyl acrylate monomer modified straw powder, hydroxy-ethyl acrylate are modified
Straw powder, tetraethyl titanate, aerosil cladding oxalic acid, the quality parts ratio of dicyandiamide are 120：21~29：33~41：
8~18：12~18：34~44, wherein, the modified epoxy by epoxy resin E51, calcium bicarbonate, magnesium bicarbonate and
The reaction of SP-780 dispersants is made, the epoxy resin E51, calcium bicarbonate, the quality of magnesium bicarbonate and SP-780 dispersants
Portion rate is 100：7~13：5~12：4~8, the Isooctyl acrylate monomer modified straw powder is different pungent by straw powder, acrylic acid
Ester, isopropyl acrylate, hexamethylene and the reaction of 819 photoinitiators are made, the straw powder, Isooctyl acrylate monomer, acrylic acid
The quality parts ratio of isopropyl ester, hexamethylene and 819 photoinitiators is 80：35~43：9~17：115~130：0.6~1, it is described
Hydroxy-ethyl acrylate modified straw powder it is light-initiated by straw powder, hydroxy-ethyl acrylate, acrylic acid, hydroxypropyl acrylate and 184
Agent reaction is made, the straw powder, hydroxy-ethyl acrylate, acrylic acid, the mass parts of hydroxypropyl acrylate and 184 photoinitiators
Number is than being 80：38~49：6~12：8~17：0.2~0.7, the aerosil coats oxalic acid by oxalic acid, gas phase two
Silica, Macrogol 600 and the reaction of liquid polyethylene alcohol are made, the oxalic acid, aerosil, Macrogol 600
Quality parts ratio with liquid polyethylene alcohol is 30：22~30：13~16：12~19.
2. a kind of preparation method of high-strength building outer wall thermal insulation material according to claim 1, it is characterised in that：It is described
High-strength building outer wall thermal insulation material be as made from following preparation method：(1), by oxalic acid, aerosil, poly- second
Glycol 600 and liquid polyethylene alcohol are 30 according to quality parts ratio：22~30：13~16：12~19 are added in reaction kettle, stir
Speed is mixed as 75~90r/min, reacts 30min under the conditions of 25~30 DEG C of maintenance system temperature, obtains aerosil cladding
Oxalic acid；(2), by straw powder, hydroxy-ethyl acrylate, acrylic acid, hydroxypropyl acrylate and 184 photoinitiators according to quality parts ratio
For 80：38~49：6~12：8~17：0.2~0.7 is added in hydrothermal reaction kettle, maintains 53~65 DEG C of hydrothermal temperature
Under the conditions of react 45~60min, product is through 2000W 2~8s of lamp and high pressure mercury, grinding, obtains hydroxy-ethyl acrylate and is modified straw
Stalk powder；(3), by straw powder, Isooctyl acrylate monomer, isopropyl acrylate, hexamethylene and 819 photoinitiators according to quality parts ratio
80：35~43：9~17：115~130：0.6~1 is added in hydrothermal reaction kettle, maintains 32~36 DEG C of items of hydrothermal temperature
50~75min is reacted under part, product grinds through 3000W 4~10s of lamp and high pressure mercury and is modified straw to get to Isooctyl acrylate monomer
Stalk powder；(4), by epoxy resin E51, calcium bicarbonate, magnesium bicarbonate and SP-780 dispersants according to quality parts ratio 100：7~
13：5~12：4~8 are added in ball mill, ball milling speed be 100~150r/min, -10~0 DEG C of condition of maintenance system temperature
20~35min of lower reaction is to get to modified epoxy；(5), by modified epoxy, Isooctyl acrylate monomer modified straw powder,
Hydroxy-ethyl acrylate modified straw powder, tetraethyl titanate, aerosil cladding oxalic acid, dicyandiamide are according to quality parts ratio
120：21~29：33~41：8~18：12~18：34~44 are added in reaction kettle, and mixing speed is 60~80r/min, is tieed up
It holds and 25~30min is reacted under the conditions of 23~30 DEG C of system temperature, transfer the material into solidification equipment, in 115 DEG C of curings
1.5h is to get to high-strength building outer wall thermal insulation material.
3. a kind of preparation method of high-strength building outer wall thermal insulation material according to claim 2, it is characterised in that：It is described
Stalk grain size be 20~70 μm.
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| CN108690245A (en) * | 2018-05-29 | 2018-10-23 | 柴建锋 | A kind of high-strength polyethylene plank and preparation method thereof |
| CN109880304A (en) * | 2019-03-13 | 2019-06-14 | 代国治 | A kind of ageing-resistant building thermal insulation material and preparation method thereof |
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