CN113429862A - High-strength modified epoxy resin material and preparation method thereof - Google Patents
High-strength modified epoxy resin material and preparation method thereof Download PDFInfo
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- CN113429862A CN113429862A CN202110824186.2A CN202110824186A CN113429862A CN 113429862 A CN113429862 A CN 113429862A CN 202110824186 A CN202110824186 A CN 202110824186A CN 113429862 A CN113429862 A CN 113429862A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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Abstract
The invention discloses a high-strength modified epoxy resin material and a preparation method thereof, relating to the technical field of coatings; the high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 5-10 parts of nano two-dimensional graphite, 3-8 parts of dolomite, 0.3-0.6 part of initiator, 4-8 parts of methyl potassium silicate, 5-9 parts of lignin and the balance of epoxy resin. The ability of potassium methyl silicate and lignin to interact with other components in the present application can significantly improve the strength of the epoxy resin; the epoxy resin material prepared by the invention has high tensile strength and high compressive strength.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a high-strength modified epoxy resin material and a preparation method thereof.
Background
The epoxy resin is a thermosetting resin, a polymer containing more than two epoxy groups in a molecule can be cured and crosslinked by using a compound containing active hydrogen and the epoxy resin through a ring-opening reaction, the epoxy resin has excellent chemical stability, corrosion resistance, insulating property and the like, and products mainly comprise structural adhesive, strain adhesive, special adhesive, latent curing adhesive and the like, and are widely applied to the fields of civil engineering and construction, electronic and electric appliances, automobile machinery and the like.
The strength of the existing epoxy resin material can not meet the requirement, so that the technical problem is solved by providing the high-strength modified epoxy resin material and the preparation method thereof.
Disclosure of Invention
The invention aims to provide a high-strength modified epoxy resin material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 5-10 parts of nano two-dimensional graphite, 3-8 parts of dolomite, 0.3-0.6 part of initiator, 4-8 parts of methyl potassium silicate, 5-9 parts of lignin and the balance of epoxy resin.
As a further scheme of the invention: the high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 6-9 parts of nano two-dimensional graphite, 4-7 parts of dolomite, 0.4-0.5 part of initiator, 5-7 parts of methyl potassium silicate, 6-8 parts of lignin and the balance of epoxy resin.
As a still further scheme of the invention: the high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of initiator, 6 parts of methyl potassium silicate, 7 parts of lignin and the balance of epoxy resin.
As a still further scheme of the invention: the initiator is one or more unsaturated monomers containing double bonds.
Another object of the present invention is to provide a method for preparing a body, comprising the steps of:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 50-58 ℃, carrying out heat preservation treatment for 0.6-0.8h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 70-80 ℃, carrying out heat preservation treatment for 0.3-0.7h, and obtaining a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 60-70 ℃;
heating the casting material in the mold to 80-100 ℃, carrying out heat preservation treatment for 0.4-1.2h, introducing inert gas into the heat preservation box, then continuing heating to 130-; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
As a further scheme of the invention: the method comprises the following steps:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 52-56 ℃, carrying out heat preservation treatment for 0.65-0.75h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 73-77 ℃, carrying out heat preservation treatment for 0.4-0.6h, and obtaining a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 63-67 ℃;
heating the casting material in the mold to 85-95 ℃, carrying out heat preservation treatment for 0.6-1.0h, introducing inert gas into the heat preservation box, then continuing heating to 133-; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
As a still further scheme of the invention: the method comprises the following steps:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 75 ℃, and carrying out heat preservation treatment for 0.5h to obtain a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
Compared with the prior art, the invention has the beneficial effects that: the ability of potassium methyl silicate and lignin to interact with other components in the present application can significantly improve the strength of the epoxy resin; the epoxy resin material prepared by the invention has high tensile strength and high compressive strength.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
The high-strength modified epoxy resin material comprises the following formula raw materials and components in parts by weight, 10 parts of nano two-dimensional graphite, 8 parts of dolomite, 0.6 part of initiator, 8 parts of potassium methyl silicate, 9 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 58 ℃, carrying out heat preservation treatment for 0.8h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 80 ℃, and carrying out heat preservation treatment for 0.7h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 70 ℃;
(5) heating the casting material in the mold to 100 ℃, carrying out heat preservation treatment for 1.2h, introducing inert gas into the heat preservation box, then continuously heating to 140 ℃, carrying out heat preservation treatment for 4h, finally heating to 160 ℃, and carrying out heat preservation treatment for 8 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The raw materials are subjected to hot melting under the protection of inert gas, so that the interference of other external gas environments is avoided, and the treatment quality is ensured.
The initiator is one or more unsaturated monomers containing double bonds. Specifically, the initiator may be one or any combination of styrene, methyl styrene, vinyl toluene, acrylic acid, methyl acrylate, butyl acrylate, glycidyl acrylate, and the like.
Example 2
The high-strength modified epoxy resin material comprises the following formula raw materials and components in parts by weight, 5 parts of nano two-dimensional graphite, 3 parts of dolomite, 0.3 part of initiator, 4 parts of potassium methyl silicate, 5 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 50 ℃, carrying out heat preservation treatment for 0.6h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 70 ℃, and carrying out heat preservation treatment for 0.3h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 60-70 ℃;
(5) heating the casting material in the mold to 80 ℃, carrying out heat preservation treatment for 0.4h, introducing inert gas into the heat preservation box, then continuously heating to 130 ℃, carrying out heat preservation treatment for 3h, finally heating to 150 ℃, and carrying out heat preservation treatment for 6 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The raw materials are subjected to hot melting under the protection of inert gas, so that the interference of other external gas environments is avoided, and the treatment quality is ensured. And (4) fire prevention.
The initiator is one or more unsaturated monomers containing double bonds. Specifically, the initiator may be one or any combination of styrene, methyl styrene, vinyl toluene, acrylic acid, methyl acrylate, butyl acrylate, glycidyl acrylate, and the like.
Example 3
The high-strength modified epoxy resin material comprises the following formula raw materials and components in parts by weight, 9 parts of nano two-dimensional graphite, 7 parts of dolomite, 0.5 part of initiator, 7 parts of potassium methyl silicate, 8 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 56 ℃, carrying out heat preservation treatment for 0.75h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 77 ℃, and carrying out heat preservation treatment for 0.6h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 67 ℃;
(5) heating the casting material in the mold to 95 ℃, carrying out heat preservation treatment for 1.0h, introducing inert gas into the heat preservation box, then continuously heating to 137 ℃, carrying out heat preservation treatment for 3.7h, finally heating to 157 ℃, and carrying out heat preservation treatment for 7.5 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The raw materials are subjected to hot melting under the protection of inert gas, so that the interference of other external gas environments is avoided, and the treatment quality is ensured.
The initiator is one or more unsaturated monomers containing double bonds. Specifically, the initiator may be one or any combination of styrene, methyl styrene, vinyl toluene, acrylic acid, methyl acrylate, butyl acrylate, glycidyl acrylate, and the like.
Example 4
The high-strength modified epoxy resin material comprises the following formula raw materials and components in parts by weight, 6 parts of nano two-dimensional graphite, 4 parts of dolomite, 0.4 part of initiator, 5 parts of methyl potassium silicate, 6 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 52 ℃, carrying out heat preservation treatment for 0.65h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 73 ℃, and carrying out heat preservation treatment for 0.4h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 63 ℃;
(5) heating the casting material in the mold to 85 ℃, carrying out heat preservation treatment for 0.6h, introducing inert gas into the heat preservation box, then continuously heating to 133 ℃, carrying out heat preservation treatment for 3.3h, finally heating to 153 ℃, and carrying out heat preservation treatment for 6.5 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The initiator is one or more unsaturated monomers containing double bonds. Specifically, the initiator may be one or any combination of styrene, methyl styrene, vinyl toluene, acrylic acid, methyl acrylate, butyl acrylate, glycidyl acrylate, and the like.
Example 5
A high-strength modified epoxy resin material comprises the following formula raw materials in parts by weight: 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of initiator, 6 parts of methyl potassium silicate, 7 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 75 ℃, and carrying out heat preservation treatment for 0.5h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
(5) heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The raw materials are subjected to hot melting under the protection of inert gas, so that the interference of other external gas environments is avoided, and the treatment quality is ensured.
The initiator is one or more unsaturated monomers containing double bonds. Specifically, the initiator may be one or any combination of styrene, methyl styrene, vinyl toluene, acrylic acid, methyl acrylate, butyl acrylate, glycidyl acrylate, and the like.
Comparative example 1
A high-strength modified epoxy resin material comprises the following formula raw materials and components, by weight, 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of an initiator, 7 parts of lignin and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, fully mixing lignin, adding into the heating kettle, preheating to 75 ℃, carrying out heat preservation treatment for 0.5h, and obtaining a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
(5) heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The initiator used in comparative example 1 was exactly the same as that used in example 5.
Comparative example 2
The high-strength modified epoxy resin material comprises the following formula raw materials and components, by weight, 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of an initiator, 6 parts of methyl potassium silicate and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, fully mixing potassium methyl silicate, adding into the heating kettle, preheating to 75 ℃, carrying out heat preservation treatment for 0.5h, and obtaining a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
(5) heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The initiator used in comparative example 2 was exactly the same as that used in example 5.
Comparative example 3
A high-strength modified epoxy resin material comprises the following formula raw materials and components, by weight, 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of an initiator, the balance of epoxy resin, and the balance of epoxy resin.
The preparation method of the high-strength modified epoxy resin material comprises the following steps:
(1) taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
(2) preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
(3) adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, then heating to 75 ℃, and carrying out heat preservation treatment for 0.5h to obtain a mixed material B;
(4) pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
(5) heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
The initiator used in comparative example 3 was exactly the same as that used in example 5.
Performance test
And (3) testing tensile strength: testing according to ASTM D638-82 a;
table one unit: MPa of
Performance testing
And (3) testing the compressive strength: testing was performed according to ASTM D695-1996;
and (3) testing tensile strength: testing was performed according to ASTM D638-82 a.
TABLE 1 Performance test results of examples and comparative examples
In summary, it can be seen from comparison of comparative examples 1-3 with example 5 that the compressive strength and tensile strength of the epoxy resin material obtained in example 5 are significantly better than those of comparative examples 1-3, whereas comparative example 1 differs from example 5 in not containing methylsilicate, comparative example 2 differs from example 5 in not containing lignin, and comparative example 3 differs from example 5 in not containing methylsilicate and lignin; while the methyl potassium silicate is used as a fireproof material, the tensile strength and the compressive strength of the epoxy resin are obviously reduced in the absence of the methyl potassium silicate, so that the strength of the epoxy resin can be obviously improved by the interaction of the methyl potassium silicate and the lignin with other components in the application.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The high-strength modified epoxy resin material is characterized by comprising the following raw materials in parts by weight: 5-10 parts of nano two-dimensional graphite, 3-8 parts of dolomite, 0.3-0.6 part of initiator, 4-8 parts of methyl potassium silicate, 5-9 parts of lignin and the balance of epoxy resin.
2. The high-strength modified epoxy resin material according to claim 1, wherein the high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 6-9 parts of nano two-dimensional graphite, 4-7 parts of dolomite, 0.4-0.5 part of initiator, 5-7 parts of methyl potassium silicate, 6-8 parts of lignin and the balance of epoxy resin.
3. The high-strength modified epoxy resin material according to claim 1, wherein the high-strength modified epoxy resin material comprises the following raw materials in parts by weight: 7.5 parts of nano two-dimensional graphite, 5.5 parts of dolomite, 0.45 part of initiator, 6 parts of methyl potassium silicate, 7 parts of lignin and the balance of epoxy resin.
4. The high-strength modified epoxy resin material as claimed in any of claims 1 to 3, wherein the initiator is one or more unsaturated monomers containing double bonds.
5. The method for preparing the high-strength modified epoxy resin material according to claim 4, comprising the steps of:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 50-58 ℃, carrying out heat preservation treatment for 0.6-0.8h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 70-80 ℃, carrying out heat preservation treatment for 0.3-0.7h, and obtaining a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 60-70 ℃;
heating the casting material in the mold to 80-100 ℃, carrying out heat preservation treatment for 0.4-1.2h, introducing inert gas into the heat preservation box, then continuing heating to 130-; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
6. The method for preparing the high-strength modified epoxy resin material according to claim 5, wherein 4. comprises the steps of:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 52-56 ℃, carrying out heat preservation treatment for 0.65-0.75h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 73-77 ℃, carrying out heat preservation treatment for 0.4-0.6h, and obtaining a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 63-67 ℃;
heating the casting material in the mold to 85-95 ℃, carrying out heat preservation treatment for 0.6-1.0h, introducing inert gas into the heat preservation box, then continuing heating to 133-; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
7. The method for preparing the high-strength modified epoxy resin material according to claim 5, comprising the steps of:
taking the scaly graphite as a raw material, and stripping by adopting a microwave process until the nano two-dimensional graphite is stripped;
preparing the raw material components in parts by weight, adding the nano two-dimensional graphite and the dolomite into a mixer, and uniformly mixing to obtain a mixed material A;
adding epoxy resin into a heating kettle, preheating to 54 ℃, carrying out heat preservation treatment for 0.7h, fully mixing lignin and potassium methyl silicate, adding into the heating kettle, preheating to 75 ℃, and carrying out heat preservation treatment for 0.5h to obtain a mixed material B;
pre-mixing the mixed material B and the mixed material A, then adding an initiator, fully stirring uniformly, and injecting into a mold preheated to 65 ℃;
heating the casting material in the mold to 90 ℃, carrying out heat preservation treatment for 0.8h, introducing inert gas into the heat preservation box, then continuously heating to 135 ℃, carrying out heat preservation treatment for 3.5h, and finally heating to 155 ℃, carrying out heat preservation treatment for 7 h; and naturally cooling the casting material in the die to room temperature, and demoulding to obtain the required epoxy resin material.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585531A (en) * | 2011-12-14 | 2012-07-18 | 东北林业大学 | Lignin-epoxy resin composite material and preparation method thereof |
| CN104649262A (en) * | 2015-02-28 | 2015-05-27 | 高碑店市隆泰丰博石墨烯加工有限公司 | Method and device for preparing graphene by holding pressure continuous microwave puffing |
| CN107216607A (en) * | 2017-05-27 | 2017-09-29 | 南通成山高分子材料有限公司 | A kind of wear-resistant macromolecule material |
| CN108659671A (en) * | 2018-05-14 | 2018-10-16 | 中科广化（重庆）新材料研究院有限公司 | A kind of lignin/graphene-based composite anti-corrosive coating and the preparation method and application thereof |
| CN111909485A (en) * | 2019-05-10 | 2020-11-10 | 南通联鑫新材料科技有限公司 | Epoxy resin composite board and preparation method thereof |
| CN112409755A (en) * | 2020-10-16 | 2021-02-26 | 安徽省怀宁县希望纸塑有限责任公司 | Degradable resin composite material for preparing tableware and preparation method thereof |
-
2021
- 2021-07-21 CN CN202110824186.2A patent/CN113429862A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585531A (en) * | 2011-12-14 | 2012-07-18 | 东北林业大学 | Lignin-epoxy resin composite material and preparation method thereof |
| CN104649262A (en) * | 2015-02-28 | 2015-05-27 | 高碑店市隆泰丰博石墨烯加工有限公司 | Method and device for preparing graphene by holding pressure continuous microwave puffing |
| CN107216607A (en) * | 2017-05-27 | 2017-09-29 | 南通成山高分子材料有限公司 | A kind of wear-resistant macromolecule material |
| CN108659671A (en) * | 2018-05-14 | 2018-10-16 | 中科广化（重庆）新材料研究院有限公司 | A kind of lignin/graphene-based composite anti-corrosive coating and the preparation method and application thereof |
| CN111909485A (en) * | 2019-05-10 | 2020-11-10 | 南通联鑫新材料科技有限公司 | Epoxy resin composite board and preparation method thereof |
| CN112409755A (en) * | 2020-10-16 | 2021-02-26 | 安徽省怀宁县希望纸塑有限责任公司 | Degradable resin composite material for preparing tableware and preparation method thereof |
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