CN104804160A - Environment-friendly oxidized graphene melamine resin and preparation method thereof - Google Patents
Environment-friendly oxidized graphene melamine resin and preparation method thereof Download PDFInfo
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- CN104804160A CN104804160A CN201510220713.3A CN201510220713A CN104804160A CN 104804160 A CN104804160 A CN 104804160A CN 201510220713 A CN201510220713 A CN 201510220713A CN 104804160 A CN104804160 A CN 104804160A
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Abstract
The invention discloses an environment-friendly oxidized graphene melamine resin. The environment-friendly oxidized graphene melamine resin is prepared from the following raw materials in parts by weight: 0.8-1.2 parts of medical stone micro powder, 1.1-1.6 parts of tourmaline micro powder, 20-25 parts of melamine, 40-45 parts of a 37% formaldehyde solution, 1.8-2.1 parts of oxidized graphene, 0.7-0.9 part of trifluoroethyl methacrylate, 0.7-0.9 part of polyacrylonitrile, a proper amount of dimethyl formamide, 0.2-0.3 part of polyoxyethylene, a proper amount of a composite solvent with the volume ratio of dimethyl formamide to dichloromethane being 1: 1, 0.3-0.5 part of tert-butyl hydroperoxide, a proper amount of a citric acid, a proper amount of an alkaline pH value modifier AMP-95 and a proper amount of ethyl alcohol. The resin disclosed by the invention is added with the oxidized graphene, and the heat-conducting property of the resin is improved, so that the structure of the resin is more stable, and the heat stability is greatly improved; by adding the medical stone micro powder and the tourmaline micro powder, the resin has the effect of transmitting negative ions and infrared rays, is beneficial for human bodies, and is environment-friendly and healthy.
Description
Technical field
The present invention relates to melmac Material Field, particularly relate to a kind of environmental protection graphene oxide melmac and preparation method thereof.
Background technology
Graphene is by the carbonaceous material with the cellular crystalline network of two dimensional surface of the tightly packed one-tenth of monolayer carbon atom, and the nanostructure of its uniqueness determines that it has the performance of a series of excellence, and theoretical specific surface area is up to 2600 ㎡/g; Thermal conductivity is up to 5000W/ (m.K), for adamantine 5 times, intensity is the highest in known materials, reach 130GPa, it is more than 100 times of steel, at present, Graphene is considered to have a wide range of applications space in functional composite material, nano-device, energy storage material and support of the catalyst etc.
Utilize the excellent properties of Graphene, prepare Graphene/polymer composites, first the problem of Graphene stable dispersion in the polymer will be solved, surface of graphene oxide is with many oxygen-containing functional groups, although oxygenizement to a certain degree destroys the crystalline network of Graphene, but the interaction that these functional groups can be strong with polymer formation, thus improve the performance of matrix material.The method preparing graphene oxide/polymer composites mainly contains solution blended process, melt-blending process, in-situ polymerization intercalated method.
Melmac and melamine formaldehyde resin are a kind of widely used thermosetting resines.By using graphene oxide to carry out polymeric modification, the thermostability of resin can be improved, electroconductibility, thermal conductivity.But the improvement in performance of single graphene oxide to resin is limited, also need the performance further improving resin, can by improving technique and the performance becoming to assign to improve resin; Such as need to improve intensity, water-resistant capacity, thermostability, wear resistance, hardness, to the resistivity of chemicals, the performance such as poor toughness is easily broken, the shelf lives is short, make this resin widely for aspects such as furniture, vehicle, buildings.
Summary of the invention
The object of the present invention is to provide a kind of environmental protection graphene oxide melmac, this resin thermal conductivity is good, has transmitting anion and ultrared effect, useful to human body, environment protection health.
Technical scheme of the present invention is as follows:
A kind of environmental protection graphene oxide melmac, it is characterized in that being made up of the raw material of following weight part: medical stone micro mist 0.8-1.2, tourmalinite micro mist 1.1-1.6, trimeric cyanamide 20-25, 37% formalin 40-45, graphene oxide 1.8-2.1, trifluoroethyl methacrylate 0.7-0.9, polyacrylonitrile 0.7-0.9, dimethyl formamide is appropriate, polyoxyethylene 0.2-0.3, dimethylformamide/dichloromethane volume ratio is that 1:1 double solvents is appropriate, tertbutyl peroxide 0.3-0.5, citric acid is appropriate, pH value regulator AMP-95 is appropriate for alkalescence, appropriate amount of ethanol.
The production method of described environmental protection graphene oxide melmac, is characterized in that:
(1) polyacrylonitrile is dissolved in dimethyl formamide, is mixed with the solution of 4wt%; Polyoxyethylene being dissolved in dimethylformamide/dichloromethane volume ratio is 1:1 double solvents, be mixed with the solution of 4wt%, again above-mentioned two kinds of solution are mixed, add medical stone micro mist, tourmalinite micro mist, graphene oxide, stir, add trifluoroethyl methacrylate, tertbutyl peroxide again, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, by filter cake ethanol purge 2-3 time, obtain the graphene oxide of modification.
(2) by trimeric cyanamide, 37% formalin mixing, be heated to 70-75 DEG C, stir until all dissolve, add the graphene oxide of the modification that (1) step obtains again, stir 10-20 minute, add alkaline pH value regulator AMP-95, regulate pH value to be 8-9, reaction 3-4 hour, obtains the melmac performed polymer containing graphene oxide;
(3) performed polymer is placed in 30 DEG C of vacuum drying ovens, except being 5-6 by citric acid adjust ph after anhydrating, solidify in 50 DEG C of baking ovens 8-9 hour shaping, obtain graphene oxide/melmac matrix material.
Beneficial effect of the present invention
Resin of the present invention with the addition of graphene oxide, improves the heat conductivility of resin, and make resin structure more stable, thermostability improves a lot; By adding medical stone micro mist, tourmalinite micro mist, resin is made to have transmitting anion and ultrared effect, useful to human body, environment protection health; Production technique of the present invention can improve the dispersing uniformity of graphene oxide, medical stone micro mist, tourmalinite micro mist, and composite material surface and section all do not have obvious particle agglomeration phenomenon, improve bonding strength, improves toughness and the anti-bending strength of melmac.
Embodiment
A kind of environmental protection graphene oxide melmac, is made up of the raw material of following weight part (kilogram): medical stone micro mist 0.9, tourmalinite micro mist 1.3, trimeric cyanamide 23,37% formalin 43, graphene oxide 2, trifluoroethyl methacrylate 0.7-0.9, polyacrylonitrile 0.8, dimethyl formamide are appropriate, polyoxyethylene 0.2, dimethylformamide/dichloromethane volume ratio are that 1:1 double solvents is appropriate, appropriate, the alkaline pH value regulator AMP-95 of tertbutyl peroxide 0.4, citric acid is appropriate, appropriate amount of ethanol.
The production method of described environmental protection graphene oxide melmac, is characterized in that:
(1) polyacrylonitrile is dissolved in dimethyl formamide, is mixed with the solution of 4wt%; Polyoxyethylene being dissolved in dimethylformamide/dichloromethane volume ratio is 1:1 double solvents, be mixed with the solution of 4wt%, again above-mentioned two kinds of solution are mixed, add medical stone micro mist, tourmalinite micro mist, graphene oxide, stir, add trifluoroethyl methacrylate, tertbutyl peroxide again, be heated to 65 DEG C, stirring reaction 1.5 hours, filter, by filter cake ethanol purge 2 times, obtain the graphene oxide of modification.
(2) by trimeric cyanamide, 37% formalin mixing, be heated to 73 DEG C, stir until all dissolve, add the graphene oxide of the modification that (1) step obtains again, stir 15 minutes, add alkaline pH value regulator AMP-95, regulate pH value to be 8.6, react 3.5 hours, obtain the melmac performed polymer containing graphene oxide;
(3) performed polymer is placed in 30 DEG C of vacuum drying ovens, except being 6 by citric acid adjust ph after anhydrating, solidify in 50 DEG C of baking ovens 8.6 hours shaping, obtain graphene oxide/melmac matrix material.
Experimental data:
The polypropylene of this embodiment is through extrusion moulding, and after tested, thermal conductivity is 0.41W/ (m ﹒ K), flexural strength 95MPa, water-intake rate < 0.1%.
Claims (2)
1. an environmental protection graphene oxide melmac, it is characterized in that being made up of the raw material of following weight part: medical stone micro mist 0.8-1.2, tourmalinite micro mist 1.1-1.6, trimeric cyanamide 20-25, 37% formalin 40-45, graphene oxide 1.8-2.1, trifluoroethyl methacrylate 0.7-0.9, polyacrylonitrile 0.7-0.9, dimethyl formamide is appropriate, polyoxyethylene 0.2-0.3, dimethylformamide/dichloromethane volume ratio is that 1:1 double solvents is appropriate, tertbutyl peroxide 0.3-0.5, citric acid is appropriate, pH value regulator AMP-95 is appropriate for alkalescence, appropriate amount of ethanol.
2. the production method of environmental protection graphene oxide melmac according to claim 1, is characterized in that:
(1) polyacrylonitrile is dissolved in dimethyl formamide, is mixed with the solution of 4wt%; Polyoxyethylene being dissolved in dimethylformamide/dichloromethane volume ratio is 1:1 double solvents, be mixed with the solution of 4wt%, again above-mentioned two kinds of solution are mixed, add medical stone micro mist, tourmalinite micro mist, graphene oxide, stir, add trifluoroethyl methacrylate, tertbutyl peroxide again, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, by filter cake ethanol purge 2-3 time, obtain the graphene oxide of modification;
(2) by trimeric cyanamide, 37% formalin mixing, be heated to 70-75 DEG C, stir until all dissolve, add the graphene oxide of the modification that (1) step obtains again, stir 10-20 minute, add alkaline pH value regulator AMP-95, regulate pH value to be 8-9, reaction 3-4 hour, obtains the melmac performed polymer containing graphene oxide;
(3) performed polymer is placed in 30 DEG C of vacuum drying ovens, except being 5-6 by citric acid adjust ph after anhydrating, solidify in 50 DEG C of baking ovens 8-9 hour shaping, obtain graphene oxide/melmac matrix material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510220713.3A CN104804160A (en) | 2015-05-04 | 2015-05-04 | Environment-friendly oxidized graphene melamine resin and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107987469A (en) * | 2017-12-20 | 2018-05-04 | 贺州宝兴新材料有限公司 | A kind of production technology of the compound melamine resin of environmental protection graphene oxide |
| CN107987464A (en) * | 2017-12-20 | 2018-05-04 | 贺州宝兴新材料有限公司 | A kind of preparation method of the compound melamine resin of environmental protection graphene oxide |
| CN108054029A (en) * | 2017-12-21 | 2018-05-18 | 贺州宝兴新材料有限公司 | A kind of preparation method of graphene melamine resin Hollow Sphere Composites |
| CN117534938A (en) * | 2024-01-10 | 2024-02-09 | 广州简米餐具有限公司 | Melamine powder for manufacturing anti-fouling tableware and preparation method thereof |
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| CN101284926A (en) * | 2008-05-29 | 2008-10-15 | 方孝贞 | Composite material for making furnishings and process for making furnishings from the material |
| CN104292712A (en) * | 2014-11-07 | 2015-01-21 | 安徽省三乐门窗幕墙工程有限公司 | Environment-friendly plastic steel section material used for doors and windows and prepared from tourmaline powder and preparation method of environment-friendly plastic steel section material |
| CN104312103A (en) * | 2014-10-31 | 2015-01-28 | 合肥鼎雅家具有限责任公司 | Tourmaline negative ion powder modified epoxy resin composite material and manufacturing method thereof |
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| CN101284926A (en) * | 2008-05-29 | 2008-10-15 | 方孝贞 | Composite material for making furnishings and process for making furnishings from the material |
| CN104312103A (en) * | 2014-10-31 | 2015-01-28 | 合肥鼎雅家具有限责任公司 | Tourmaline negative ion powder modified epoxy resin composite material and manufacturing method thereof |
| CN104292712A (en) * | 2014-11-07 | 2015-01-21 | 安徽省三乐门窗幕墙工程有限公司 | Environment-friendly plastic steel section material used for doors and windows and prepared from tourmaline powder and preparation method of environment-friendly plastic steel section material |
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| 陈中华等: "氧化石墨烯/密胺树脂复合材料的制备及其热性能研究", 《功能材料》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107987469A (en) * | 2017-12-20 | 2018-05-04 | 贺州宝兴新材料有限公司 | A kind of production technology of the compound melamine resin of environmental protection graphene oxide |
| CN107987464A (en) * | 2017-12-20 | 2018-05-04 | 贺州宝兴新材料有限公司 | A kind of preparation method of the compound melamine resin of environmental protection graphene oxide |
| CN108054029A (en) * | 2017-12-21 | 2018-05-18 | 贺州宝兴新材料有限公司 | A kind of preparation method of graphene melamine resin Hollow Sphere Composites |
| CN117534938A (en) * | 2024-01-10 | 2024-02-09 | 广州简米餐具有限公司 | Melamine powder for manufacturing anti-fouling tableware and preparation method thereof |
| CN117534938B (en) * | 2024-01-10 | 2024-04-02 | 广州简米餐具有限公司 | Melamine powder for manufacturing anti-fouling tableware and preparation method thereof |
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Application publication date: 20150729 |