CN114316346A - Preparation method of high-molecular environment-friendly honeycomb material - Google Patents
Preparation method of high-molecular environment-friendly honeycomb material Download PDFInfo
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- CN114316346A CN114316346A CN202210123838.4A CN202210123838A CN114316346A CN 114316346 A CN114316346 A CN 114316346A CN 202210123838 A CN202210123838 A CN 202210123838A CN 114316346 A CN114316346 A CN 114316346A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 35
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011324 bead Substances 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 10
- 239000006261 foam material Substances 0.000 claims abstract description 8
- 239000012796 inorganic flame retardant Substances 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000011049 filling Methods 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000012258 stirred mixture Substances 0.000 claims abstract description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 12
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 9
- 239000011496 polyurethane foam Substances 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical class [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 5
- 239000012767 functional filler Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000004566 building material Substances 0.000 description 5
- 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 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical class O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical group BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a preparation method of a high-molecular environment-friendly honeycomb material, and relates to the technical field of materials. The method comprises the following steps: 1) mixing 65-75 parts by weight of epoxy resin, 10-20 parts by weight of curing agent, 1-10 parts by weight of inorganic flame retardant and 2-6 parts by weight of glass beads, and fully stirring to form an epoxy resin mixture; 2) adding foam material particles into the epoxy resin mixture, and mixing and stirring; 3) and filling the stirred mixture into a honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the honeycomb carrier, and then heating, pressurizing and curing to obtain the environment-friendly honeycomb material. The raw material components used in the honeycomb material are compatible with the environment and friendly to the environment, and the used functional filler has the functions of heat insulation, sound insulation, heat preservation and shock resistance on the basis of small density and large specific surface area, so that the comprehensive performance of the honeycomb material can be effectively expanded, and the application range of the honeycomb material is enlarged.
Description
Technical Field
The invention relates to the technical field of materials, in particular to a preparation method of a high-molecular environment-friendly honeycomb material.
Background
The building activity is one of activities which have the greatest influence on natural resources and environment. The basic building materials such as steel bars (steel bars and steel plates), cement, concrete, bricks, wood and the like used in the building process are high-energy-consumption and high-pollution products, and the environmental load in the production process of the building materials accounts for a considerable proportion of the overall environmental load of the building.
The development and innovation of wall materials are extremely critical in the development of the building industry, the requirements of the development of the building industry in China must be met, and the wall materials are technically and functionally more advantageous than the wall materials in the past, for example: high strength, light dead weight, good heat preservation effect, high economic benefit and environmental benefit, and the like. In such cases, the development of new materials is also of great importance. Firstly, the comprehensive utilization of land resources can be enhanced, the environmental pollution can be reduced, and the sustainable development of economy and society in China can be promoted. And secondly, resources can be utilized more effectively, so that the utilization rate of the resources and energy is improved, the cyclic utilization of the resources can be promoted, and the development and the growth of circular economy are promoted. And the production mode can promote the industrialization of the building materials, and the healthy development of the whole industry can be realized, so that the building material meets the development requirements of the modern society. Finally, the development of building energy conservation and green buildings can be effectively promoted.
Due to the demand for lightweight building materials, honeycomb materials are widely used in the market as a substitute for wood materials and brick-and-concrete structures because of their low cost and light weight. However, the honeycomb material used in the market at present has a single function, so that the application of the honeycomb material is limited; on the other hand, the existing honeycomb material is not environment-friendly enough in preparation raw materials, can release harmful gas, pollutes the environment and is harmful to human health.
Disclosure of Invention
In view of the above defects, the technical problem to be solved by the present invention is to provide a method for preparing a polymer environment-friendly honeycomb material.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a preparation method of a high-molecular environment-friendly honeycomb material comprises the following steps:
1) mixing 65-75 parts by weight of epoxy resin, 10-20 parts by weight of curing agent, 1-10 parts by weight of inorganic flame retardant and 2-6 parts by weight of glass beads, and fully stirring to form an epoxy resin mixture;
2) mixing and stirring the epoxy resin mixture and the foam material particles; the mass ratio of the epoxy resin mixture to the foam material particles is 2.5-4: 1;
3) and filling the stirred mixture into a honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the honeycomb carrier, and then heating, pressurizing and curing to obtain the environment-friendly honeycomb material.
Further, in the step 1), according to 70-75 parts by weight of epoxy resin, 15-20 parts by weight of curing agent, 5-10 parts by weight of inorganic flame retardant and 3-5 parts by weight of glass beads, mixing and fully stirring to form an epoxy resin mixture.
Further, the curing agent is an epoxy resin curing agent.
Further, the inorganic flame retardant is selected from at least one of modified aluminum hydroxide and modified magnesium hydroxide.
Further, the modified aluminum hydroxide and the modified magnesium hydroxide are obtained by dry-method modification and grinding of aluminum hydroxide by adopting a silane coupling agent.
Furthermore, the foam material particles are polyurethane foam and/or polyphenyl foam particles, and the particle size of the foam material particles is 1-5 mm.
Further, the honeycomb carrier is a paper honeycomb or an aramid honeycomb.
Furthermore, the curing temperature is 100-120 ℃, the curing time is 60-100 minutes, and the applied pressure is 1-1.5 MPa.
Further, the honeycomb pores of the honeycomb carrier are in a shape of a circle, a hexagon, a triangle, a regular quadrangle, a diamond or a trapezoid.
Furthermore, the honeycomb holes of the honeycomb carrier are trapezoidal, the width of the upper bottom of the trapezoid is 10-30mm, the width of the lower bottom is 30-55mm, and the height is 25-30 mm.
Has the advantages that: compared with the prior art, the invention has the advantages that:
1) the environment-friendly honeycomb material is prepared by hot-pressing and curing, so that the bonding strength among the components is greatly improved, and the service life of the environment-friendly honeycomb material is prolonged.
2) The glass beads have the characteristics of small particle size, large specific surface area and small density, have the functional characteristics of heat insulation, sound insulation and strong mechanical property, can play a role in buffering in cold and hot alternate environmental change, are added into a honeycomb material as an environment-friendly and nontoxic filler, can effectively expand the comprehensive performance of the honeycomb material, and enlarge the application range of the honeycomb material.
3) The foam particles provided by the invention integrate heat preservation, shock resistance, sound insulation and buffering, are compatible with the environment, are environment-friendly, and cooperatively expand the comprehensive performance of the honeycomb material with the glass beads.
4) The environment-friendly honeycomb material disclosed by the invention is good in flame retardant property and high in environment-friendly grade, and due to the honeycomb framework structure, the weight is reduced, the honeycomb framework structure is convenient to form quickly, the production cost is reduced, and the production efficiency is improved.
Detailed Description
The invention is further described with reference to specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. Modifications or substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit and scope of the invention.
The honeycomb holes of the honeycomb carrier can be selected from a circle, a hexagon, a triangle, a regular quadrangle, a rhombus or a trapezoid, the trapezoid is selected in the following embodiment, and the trapezoid honeycomb holes have small caliber, medium caliber and large caliber, the width of the upper bottom of the small caliber is 10mm, the width of the lower bottom is 30mm, and the height is 30 mm; the width of the upper bottom of the middle caliber is 25mm, the width of the lower bottom is 35mm, and the height is 30 mm; the width of the large-caliber upper bottom is 30mm, the width of the large-caliber lower bottom is 55mm, and the height of the large-caliber upper bottom is 30 mm; in actual operation, the transformation selection can be performed according to specific needs.
Example 1
Mixing aluminum hydroxide and a silane coupling agent in water according to the mass ratio of 10:2, stirring for 30min at 45 ℃, drying, and grinding into modified aluminum hydroxide powder. The modified aluminum hydroxide has excellent flame-retardant and smoke-suppression effects, does not generate toxic and harmful gases during pyrolysis, and can be used as a functional filler to improve the toughness of the polymer.
Taking 65 parts by weight of epoxy resin, 10 parts by weight of epoxy resin curing agent, 3 parts by weight of modified aluminum hydroxide and 2 parts by weight of glass beads, adding the materials into a mixing device, and fully mixing and stirring at the rotating speed of 100rpm to form an epoxy resin mixture. Then adding polyurethane foam particles according to the mass ratio of the polyurethane foam particles to the epoxy resin mixture of 2.5:1, controlling the mass ratio of the polyurethane foam particles to be 1-5mm, and continuously and fully mixing and stirring at the rotating speed of 100 rpm. And filling the stirred mixture into a trapezoidal paper honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the paper honeycomb carrier, heating to the curing temperature of 100 ℃, and curing for 90 minutes under 1MPa to obtain the environment-friendly honeycomb material 1.
Example 2
Mixing magnesium hydroxide and a silane coupling agent in water according to a mass ratio of 10:3, stirring for 30min at 40 ℃, drying, and grinding into modified magnesium hydroxide powder. The modified magnesium hydroxide has excellent flame-retardant and smoke-suppression effects, does not generate toxic and harmful gases during pyrolysis, and can be used as a functional filler to improve the toughness of the polymer.
Taking 75 parts by weight of epoxy resin, 20 parts by weight of epoxy resin curing agent, 8 parts by weight of modified magnesium hydroxide and 5 parts by weight of glass beads, adding into a mixing device, and fully mixing and stirring at the rotating speed of 100rpm to form an epoxy resin mixture. Then adding the polyphenyl foam particles according to the mass ratio of the polyphenyl foam particles to the epoxy resin mixture of 4:1, controlling the polyphenyl foam particles to be 1-5mm, and continuously and fully mixing and stirring at the rotating speed of 100 rpm. And filling the stirred mixture into a trapezoidal aramid fiber honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the aramid fiber honeycomb carrier, heating to the curing temperature of 120 ℃, and curing for 60 minutes under the pressure of 1.5MPa to obtain the environment-friendly honeycomb material 2.
Example 3
Mixing aluminum hydroxide and a silane coupling agent in water according to the mass ratio of 10:2, stirring for 30min at 45 ℃, drying, and grinding into modified aluminum hydroxide powder. The modified aluminum hydroxide has excellent flame-retardant and smoke-suppression effects, does not generate toxic and harmful gases during pyrolysis, and can be used as a functional filler to improve the toughness of the polymer.
70 parts by weight of epoxy resin, 15 parts by weight of epoxy resin curing agent, 6 parts by weight of modified aluminum hydroxide and 5 parts by weight of glass beads are added into a mixing device and fully mixed and stirred at the rotating speed of 100rpm to form an epoxy resin mixture. Then adding polyurethane foam particles according to the mass ratio of the polyurethane foam particles to the epoxy resin mixture of 3:1, controlling the mass ratio of the polyurethane foam particles to be 1-5mm, and continuously and fully mixing and stirring at the rotating speed of 100 rpm. And filling the stirred mixture into a trapezoidal paper honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the paper honeycomb carrier, heating to the curing temperature of 110 ℃, and curing for 100 minutes under 1MPa to obtain the environment-friendly honeycomb material 3.
Comparative example 1
Substantially the same as in example 1 except that the modified aluminum hydroxide was not added, the honeycomb material 4 was obtained.
Comparative example 2
Substantially the same as in example 1, except that the modified aluminum hydroxide was replaced with hexabromocyclododecane, honeycomb material 5 was produced.
Comparative example 3
Substantially the same as in example 1, except that the polyurethane foam particles were replaced with a chloroprene rubber foam material, a honeycomb material 6 was produced.
The examples and comparative examples were tested for performance, fire rating according to GB8624-2006,
the preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. The preparation method of the high-molecular environment-friendly honeycomb material is characterized by comprising the following steps of:
1) mixing 65-75 parts by weight of epoxy resin, 10-20 parts by weight of curing agent, 1-10 parts by weight of inorganic flame retardant and 2-6 parts by weight of glass beads, and fully stirring to form an epoxy resin mixture;
2) adding foam material particles into the epoxy resin mixture, and mixing and stirring; the mass ratio of the epoxy resin mixture to the foam material particles is 2.5-4: 1;
3) and filling the stirred mixture into a honeycomb carrier, respectively paving at least one layer of glass fiber cloth impregnated with epoxy resin on the upper side and the lower side of the honeycomb carrier, and then heating, pressurizing and curing to obtain the environment-friendly honeycomb material.
2. The method for preparing the environment-friendly polymer honeycomb material as claimed in claim 1, wherein the epoxy resin mixture is formed by mixing and fully stirring 70-75 parts by weight of epoxy resin, 15-20 parts by weight of curing agent, 5-10 parts by weight of inorganic flame retardant and 3-5 parts by weight of glass beads.
3. The method for preparing the environment-friendly polymer honeycomb material as claimed in claim 1, wherein the curing agent is an epoxy resin curing agent.
4. The method for preparing the environment-friendly polymer honeycomb material according to claim 1, wherein the inorganic flame retardant is at least one selected from modified aluminum hydroxide and modified magnesium hydroxide.
5. The preparation method of the environment-friendly polymer honeycomb material as claimed in claim 1, wherein the modified aluminum hydroxide and the modified magnesium hydroxide are obtained by dry modification and grinding of aluminum hydroxide by using a silane coupling agent.
6. The method for preparing environment-friendly cellular material of claim 1, wherein the foam particles are polyurethane foam and/or polyphenyl foam particles, and the particle size of the foam particles is 1-5 mm.
7. The preparation method of the polymer environment-friendly honeycomb material as claimed in claim 1, wherein the honeycomb carrier is a paper honeycomb or an aramid honeycomb.
8. The method for preparing the environment-friendly polymer honeycomb material as claimed in claim 1, wherein the honeycomb pores of the honeycomb carrier are circular, hexagonal, triangular, square, rhombic or trapezoidal.
9. The method for preparing the environment-friendly polymer honeycomb material as claimed in claim 8, wherein the honeycomb pores of the honeycomb carrier are trapezoidal, the width of the upper bottom of the trapezoid is 10-30mm, the width of the lower bottom is 30-55mm, and the height is 25-30 mm.
10. The preparation method of the environment-friendly polymer honeycomb material as claimed in claim 1, wherein the curing temperature is 100-120 ℃, the curing time is 60-100 minutes, and the applied pressure is 1-1.5 MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210123838.4A CN114316346A (en) | 2022-02-10 | 2022-02-10 | Preparation method of high-molecular environment-friendly honeycomb material |
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| CN202210123838.4A CN114316346A (en) | 2022-02-10 | 2022-02-10 | Preparation method of high-molecular environment-friendly honeycomb material |
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| CN202210123838.4A Pending CN114316346A (en) | 2022-02-10 | 2022-02-10 | Preparation method of high-molecular environment-friendly honeycomb material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330494A (en) * | 1978-09-13 | 1982-05-18 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Reinforced foamed resin structural material and process for manufacturing the same |
| JP2004174865A (en) * | 2002-11-26 | 2004-06-24 | Sekisui Chem Co Ltd | Fireproof honeycomb panel and its manufacturing method |
| CN101362835A (en) * | 2008-09-08 | 2009-02-11 | 浙江工业大学 | Surface treating method of magnesium hydrate combustion inhibitor |
| CN110036050A (en) * | 2016-12-09 | 2019-07-19 | 3M创新有限公司 | Heat-resisting/wet low-density epoxy composition |
-
2022
- 2022-02-10 CN CN202210123838.4A patent/CN114316346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330494A (en) * | 1978-09-13 | 1982-05-18 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Reinforced foamed resin structural material and process for manufacturing the same |
| JP2004174865A (en) * | 2002-11-26 | 2004-06-24 | Sekisui Chem Co Ltd | Fireproof honeycomb panel and its manufacturing method |
| CN101362835A (en) * | 2008-09-08 | 2009-02-11 | 浙江工业大学 | Surface treating method of magnesium hydrate combustion inhibitor |
| CN110036050A (en) * | 2016-12-09 | 2019-07-19 | 3M创新有限公司 | Heat-resisting/wet low-density epoxy composition |
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Application publication date: 20220412 |