CN111748176B - High-temperature-resistant, wear-resistant and environment-friendly composite plastic - Google Patents
High-temperature-resistant, wear-resistant and environment-friendly composite plastic Download PDFInfo
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- CN111748176B CN111748176B CN202010517320.XA CN202010517320A CN111748176B CN 111748176 B CN111748176 B CN 111748176B CN 202010517320 A CN202010517320 A CN 202010517320A CN 111748176 B CN111748176 B CN 111748176B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to the field of materials, and discloses a high-temperature-resistant, wear-resistant and environment-friendly composite plastic which comprises the following components: epoxy resin, polyethylene, graphene, glass fiber, filler, flame retardant, dispersant and plasticizer. In the process of preparing the composite plastic, the epoxy resin, the polyethylene, the glass fiber and the graphene are matched for use, and due to the plane structure of the graphene, the electronic conduction is rapid, so that the composite plastic has good heat-conducting property, the composite plastic has high temperature resistance, and the graphene is matched with the glass fiber, so that the composite plastic has good wear resistance; when the used dispersing agent contains silicone powder, the dispersing performance of the material is further enhanced, and the wear resistance of the composite plastic is further improved. The composite plastic avoids using a large amount of polyvinyl chloride, and the prepared composite plastic has good environmental protection property.
Description
Technical Field
The invention belongs to the field of materials, and particularly relates to a high-temperature-resistant, wear-resistant and environment-friendly composite plastic.
Background
The plastic has the characteristics of light weight, good mechanical property and dimensional stability, and capability of still maintaining the excellent performance in a wider temperature range. At present, plastics have been used in various fields of the automobile industry, the electronic industry, the machine manufacturing, the medical care, and the daily life.
However, with the improvement of the level of manufacturing industry, higher requirements are put on the wear resistance and high temperature resistance of plastics, and in the prior art, the coating is coated on the surface of the plastics to improve the high temperature resistance and wear resistance of the plastics, but the coating is easy to fall off and loses the high temperature resistance and wear resistance quickly. In addition, in the prior art, the preparation of plastics often requires the addition of chlorine-containing substances, which also easily causes health and environmental problems.
Therefore, it is desirable to provide a high temperature resistant, wear resistant, environmentally friendly composite plastic that does not require a coating and that also has good high temperature and wear resistance.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the invention provides the high-temperature-resistant, wear-resistant and environment-friendly composite plastic, which can resist the high temperature (the temperature during thermal deformation) of 310-330 ℃, the temperature which can be endured by the plastic products in the same type and on the market is 240 ℃, and meanwhile, the surface friction coefficient of the composite plastic is small, and the composite plastic does not need to use raw materials such as polyvinyl chloride and the like in the preparation process and has good environment-friendly property.
A high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components: epoxy resin, polyethylene, graphene, glass fiber, a filler, a flame retardant, a dispersant and a plasticizer.
Preferably, the glass fiber has a length of 3 to 12mm and a diameter of 5 to 10 μm.
Preferably, the filler is selected from nano calcium carbonate and/or nano sodium silicate.
Preferably, the dispersant is at least 2 selected from the group consisting of silicone powder, fumed silica, calcium stearate, and zinc stearate. When the dispersing agent contains the silicone powder, the dispersing performance of the material is enhanced, and the wear resistance of the composite plastic is further improved.
Preferably, the mesh number of the silicone powder is 100-300 meshes.
Preferably, the plasticizer is selected from at least one of diphenyl isooctyl acid, trioctyl trimellitate or poly-1, 2-propylene adipate.
Preferably, the flame retardant is selected from at least one of tributyl phosphate, tris (2-ethylhexyl) phosphate, tris (2-chloroethyl) phosphate or tris (2, 3-dichloropropyl) phosphate.
Preferably, the high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
more preferably, the high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
preferably, the composite plastic further comprises 1.5-5 parts of antioxidant.
Preferably, the antioxidant is selected from phosphite or 2, 6-di-tert-butyl-p-cresol.
A preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula ratio, stirring and mixing, adding into an extruder, melting and extruding, cooling, and granulating to obtain the composite plastic.
Preferably, the stirring speed is 1000-2000 rpm, and the stirring time is 10-30 minutes. High-speed stirring is beneficial to the dispersion of graphene, glass fiber and the dispersing agent, and the wear resistance and the heat conductivity of the composite plastic can be further improved.
Preferably, the melt extrusion temperature is 150-250 deg.C
Preferably, the extruder is a twin screw extruder.
The composite plastic disclosed by the invention is applied to the fields of automobiles, electronics or medical instruments. For example, the composite plastic of the present invention can be used to produce automobile parts, electronic parts, or medical device parts.
Compared with the prior art, the invention has the following beneficial effects:
(1) In the process of preparing the composite plastic, the epoxy resin, the polyethylene, the glass fiber and the graphene are matched for use, due to the planar structure of the graphene, the electronic conduction is rapid, so that the composite plastic has good heat-conducting property, the composite plastic has high temperature resistance, and the graphene is matched with the glass fiber, so that the composite plastic has good wear resistance.
(2) When the used dispersing agent contains silicone powder, the dispersing performance of the material is further enhanced, and the wear resistance of the composite plastic is further improved.
(3) The composite plastic disclosed by the invention avoids using a large amount of polyvinyl chloride, and the prepared composite plastic is good in environmental friendliness.
Detailed Description
In order to make the technical solutions of the present invention more clearly apparent to those skilled in the art, the following examples are given for illustration. It should be noted that the following examples are not intended to limit the scope of the claimed invention.
The starting materials, reagents or apparatuses used in the following examples are conventionally commercially available or can be obtained by conventionally known methods, unless otherwise specified.
The following epoxy resins can be provided by Jinan Hongbao chemical Co., ltd, jining Yongchang chemical Co., ltd, and Jinan Hongbao chemical Co., ltd.
Example 1: preparation of composite plastics
The high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
a preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula ratio, stirring and mixing at the stirring speed of 1500 rpm for 20 minutes, adding the mixture into a double-screw extruder, carrying out melt extrusion at the temperature of 240 ℃, cooling, and granulating to obtain the composite plastic.
Example 2: preparation of composite plastics
The high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
a preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula ratio, stirring and mixing at the stirring speed of 1200 rpm for 30 minutes, adding into an extruder, carrying out melt extrusion at the temperature of 230 ℃, cooling, and granulating to obtain the composite plastic.
Example 3: preparation of composite plastics
The high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
the length of the glass fiber is 5-8mm, and the diameter is 5-6 μm.
A preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula, stirring and mixing at the stirring speed of 1600 rpm for 15 minutes, adding the mixture into an extruder, performing melt extrusion at the temperature of 250 ℃, cooling, and granulating to obtain the composite plastic.
Example 4: preparation of composite plastics
The high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
a preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula, stirring and mixing, then adding into an extruder, stirring at 1700 rpm for 20 minutes, melt-extruding at 235 ℃, cooling, and granulating to obtain the composite plastic.
Example 5: preparation of composite plastics
The high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following components in parts by weight:
a preparation method of high-temperature-resistant, wear-resistant and environment-friendly composite plastic comprises the following steps:
weighing the components according to the formula, stirring and mixing, then adding into an extruder, stirring at 1700 rpm for 20 minutes, melt extruding at 235 ℃, cooling, and granulating to obtain the composite plastic.
Example 6: preparation of composite plastics
Compared with the embodiment 1, the graphene in the embodiment 6 is 2 parts, the glass fiber is 40 parts, and the rest components and the preparation method are the same as the embodiment 1.
Example 7: preparation of composite plastics
In comparison with example 1, the silicone powder in example 7 was replaced with fumed silica, and the remaining components and preparation method were the same as in example 1.
Comparative example 1
Compared with example 1, comparative example 1 does not contain graphene, and the rest of the components and the preparation method are the same as example 1.
Comparative example 2
In comparison with example 1, comparative example 1 does not contain glass fiber, and the remaining components and preparation method are the same as example 1.
Product effectiveness testing
1. High temperature resistance test
The high temperature (i.e., heat distortion temperature) resistance of the composite materials was measured according to standard IS075 using the composite plastics prepared in examples 1-7 and comparative example 1, and the results are shown in Table 1.
Table 1:
as can be seen from Table 1, the composite plastics prepared in examples 1 to 7 of the present invention have a high temperature resistance exceeding 310 ℃ to 325 ℃ which is significantly higher than that of the composite plastics prepared in comparative example 1. Commercially available products of the same type generally tolerate high temperatures of 240 ℃.
2. Abrasion resistance test
The friction coefficient and wear rate of the composite plastics prepared in examples 1-7 and comparative example 1 were measured according to GB/T3960-1983, and the results are shown in Table 2.
Table 2:
as can be seen from Table 2, the friction coefficient and the wear rate of the composite plastics obtained in examples 1 to 7 of the present invention were lower than those of the composite plastics obtained in comparative example 2. The friction coefficient of the commercially available product of the same type is 0.99 and the wear rate is 1.12 percent according to the test of the same method.
In addition, according to the standard GB/T1040-2006, the tensile strength of the composite plastic prepared in the test example 1 is 149MPa, which shows that the composite material prepared by the invention also has good tensile property.
Claims (6)
1. The composite plastic is characterized by being prepared from the following raw materials in parts by weight:
the dispersing agent is at least 2 selected from silicone powder, fumed silica, calcium stearate and zinc stearate;
the preparation method of the composite plastic comprises the following steps:
weighing the components, stirring and mixing, adding into an extruder, melting and extruding, cooling, and granulating to obtain the composite plastic;
the stirring speed is 1000-2000 r/min, and the stirring time is 10-30 min;
the temperature of the melt extrusion is 150-250 ℃.
2. The composite plastic according to claim 1, wherein the filler is selected from nano calcium carbonate and/or nano sodium silicate.
3. Composite plastic according to claim 1, characterized in that the plasticizer is selected from at least one of trioctyl trimellitate or poly-1, 2-propylene adipate.
4. The composite plastic according to claim 1, wherein the flame retardant is selected from at least one of tributyl phosphate, tris (2-ethylhexyl) phosphate, tris (2-chloroethyl) phosphate or tris (2, 3-dichloropropyl) phosphate.
5. The composite plastic of claim 1, wherein the raw material components of the composite plastic further comprise 1.5-5 parts of an antioxidant.
6. Use of the composite plastic according to any one of claims 1 to 5 in the automotive field, the electronics field or the field of medical instruments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517320.XA CN111748176B (en) | 2020-06-09 | 2020-06-09 | High-temperature-resistant, wear-resistant and environment-friendly composite plastic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010517320.XA CN111748176B (en) | 2020-06-09 | 2020-06-09 | High-temperature-resistant, wear-resistant and environment-friendly composite plastic |
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| CN111748176A CN111748176A (en) | 2020-10-09 |
| CN111748176B true CN111748176B (en) | 2022-11-11 |
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| CN112248594A (en) * | 2020-09-09 | 2021-01-22 | 周晓燕 | Wear-resistant composite building template |
| CN115651296A (en) * | 2022-10-20 | 2023-01-31 | 广东炜田环保新材料股份有限公司 | Formula and preparation process of plastic pallet with high bearing performance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109957211A (en) * | 2019-03-25 | 2019-07-02 | 河北纳格新材料科技有限公司 | A kind of epoxy-fiberglass-graphene composite material and preparation method thereof |
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| US20150252187A1 (en) * | 2014-03-07 | 2015-09-10 | Sunko Ink Co., Ltd. | Multifunctional environmentally protective polyurethane composite material and method of making the same |
| CN105802019B (en) * | 2016-05-14 | 2018-10-16 | 湖北运来塑胶科技有限公司 | A kind of graphene/glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN110272573A (en) * | 2018-03-15 | 2019-09-24 | 天津市川浩塑料制品有限公司 | A kind of high-strength composite plastic and preparation method thereof |
| CN108676326A (en) * | 2018-05-08 | 2018-10-19 | 黄河科技学院 | Graphene based on epoxy resin and glass fiber reinforcement plank |
| CN109111694A (en) * | 2018-07-06 | 2019-01-01 | 黄河科技学院 | The production and stress measuring method of glass fiber reinforced epoxy resin plate |
| CN108912497A (en) * | 2018-07-27 | 2018-11-30 | 合肥岑遥新材料科技有限公司 | A kind of glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN108948537A (en) * | 2018-08-30 | 2018-12-07 | 佛山豆萁科技有限公司 | Automotive upholstery plastics with anti-static function |
| CN109575517A (en) * | 2018-10-26 | 2019-04-05 | 河北纳格新材料科技有限公司 | A kind of antiwear epoxy resin composite material and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109957211A (en) * | 2019-03-25 | 2019-07-02 | 河北纳格新材料科技有限公司 | A kind of epoxy-fiberglass-graphene composite material and preparation method thereof |
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