CN111548602A - Low-conductivity glass fiber reinforced molding compound - Google Patents
Low-conductivity glass fiber reinforced molding compound Download PDFInfo
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- CN111548602A CN111548602A CN202010509999.8A CN202010509999A CN111548602A CN 111548602 A CN111548602 A CN 111548602A CN 202010509999 A CN202010509999 A CN 202010509999A CN 111548602 A CN111548602 A CN 111548602A
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
Abstract
The invention discloses a low-conductivity glass fiber reinforced molding compound, a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 30-100 parts of glass fiber, 0.1-0.8 part of a mold release agent, 0.8-5 parts of a thickening agent, 0.1-2 parts of an initiator, 0.3-2 parts of a light stabilizer, 4-12 parts of talcum powder, 0.1-3 parts of a compatilizer, 11-21 parts of a shrinking agent, 10-80 parts of a filler, 3-15 parts of a flame retardant and the balance plastic. The double-layer steel wire mesh is pressed with the plastic and the glass fiber, the glass fiber plastic is high in strength and good in insulating property, and the strength of the plastic is further enhanced on the basis of the original strength by adding the steel wire mesh, so that the folding resistance and the shearing resistance of the plastic are enhanced.
Description
Technical Field
The invention relates to the technical field of plastics, in particular to a low-conductivity glass fiber reinforced plastic.
Background
Glass fiber reinforced plastic is a composite material with various types, individual performance and wide application, and the existing glass fiber reinforced plastic generally refers to reinforced plastic which uses glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix and uses glass fiber or products thereof as reinforcing materials.
Disclosure of Invention
The invention provides a low-conductivity glass fiber reinforced molding compound which has good surface insulating property, excellent bending resistance and shearing resistance and high strength.
The invention provides a low-conductivity glass fiber reinforced molding compound, a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 30-100 parts of glass fiber, 0.1-0.8 part of a mold release agent, 0.8-5 parts of a thickening agent, 0.1-2 parts of an initiator, 0.3-2 parts of a light stabilizer, 4-12 parts of talcum powder, 0.1-3 parts of a compatilizer, 11-21 parts of a shrinking agent, 10-80 parts of a filler, 3-15 parts of a flame retardant and the balance plastic.
Preferably, the plastic is 50-110 parts of unsaturated polyester, 60-110 parts of epoxy resin, 55-120 parts of phenolic resin, 50-120 parts of polystyrene or 50-120 parts of polyethylene.
Preferably, the raw materials comprise the following components in parts by weight: 50 parts of glass fiber, 0.4 part of release agent, 2 parts of thickening agent, 0.5 part of initiator, 1.2 parts of light stabilizer, 7 parts of talcum powder, 0.6 part of compatilizer, 14 parts of shrinking agent, 30 parts of filler, 5 parts of flame retardant and the balance of plastic.
Preferably, the raw materials comprise the following components in parts by weight: 70 parts of glass fiber, 0.6 part of release agent, 3 parts of thickening agent, 1.3 parts of initiator, 1.2 parts of light stabilizer, 8 parts of talcum powder, 2 parts of compatilizer, 15 parts of shrinking agent, 50 parts of filler, 12 parts of flame retardant and the balance of plastic.
Preferably, the plastic is 55-100 parts of unsaturated polyester, 65-100 parts of epoxy resin, 55-110 parts of phenolic resin, 60-110 parts of polystyrene or 60-110 parts of polyethylene.
Preferably, the plastic is 70-110 parts of unsaturated polyester, 75-110 parts of epoxy resin, 80-120 parts of phenolic resin, 70-110 parts of polystyrene or 70-110 parts of polyethylene.
The invention also provides a preparation method of the low-conductivity glass fiber reinforced molding compound, which comprises the following steps:
1) preheating the plastic and the glass fiber, pouring the preheated plastic and the glass fiber into a stirrer, uniformly stirring, and standing the uniformly stirred raw materials for a period of time for later use;
2) weighing the release agent, the thickening agent, the initiator, the light stabilizer, the talcum powder, the compatilizer, the shrinking agent, the filler and the flame retardant according to the proportion, pouring the weighed materials into a stirrer to be stirred, and standing for a period of time after stirring the materials to be pasty solution for later use;
3) stirring and mixing the two raw materials in the step 1) and the step 2), and then putting the plastic raw material into a granulator for granulation treatment, so that the plastic, the glass fiber and other various raw materials are uniformly mixed and can be stored for a long time to prepare the plastic raw material;
4) cutting the steel wire mesh;
5) and finally, melting and extruding the raw materials in the step 3) from the extruder again, directly tightening and tightening a forming die, firstly pressing and forming the plastic to prepare a base blank, paving steel wire meshes on two surfaces of the base blank, pressing another layer of plastic raw material on the surfaces of the steel wire meshes, connecting the plastic raw material on the outer layer and the base blank together, and cooling to prepare the low-conductivity glass fiber reinforced plastic.
The double-layer steel wire mesh is pressed with the plastic and the glass fiber, the glass fiber plastic is high in strength and good in insulating property, and the strength of the plastic is further enhanced on the basis of the original strength by adding the steel wire mesh, so that the folding resistance and the shearing resistance of the plastic are enhanced.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
The low-conductivity glass fiber reinforced molding plastic comprises a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 30 parts of glass fibers, 0.2 part of a mold release agent, 0.9 part of a thickening agent, 0.1 part of an initiator, 0.3 part of a light stabilizer, 5 parts of talcum powder, 0.3 part of a compatilizer, 11 parts of a shrinking agent, 11 parts of a filler, 3 parts of a flame retardant and the balance plastic.
The plastic is 50 parts of unsaturated polyester, 60 parts of epoxy resin, 55 parts of phenolic resin, 55 parts of polystyrene or 55 parts of polyethylene.
Example 2
The low-conductivity glass fiber reinforced molding plastic comprises a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 50 parts of glass fibers, 0.4 part of a mold release agent, 2 parts of a thickening agent, 0.5 part of an initiator, 1.2 parts of a light stabilizer, 7 parts of talcum powder, 0.6 part of a compatilizer, 14 parts of a shrinking agent, 30 parts of a filler, 5 parts of a flame retardant and the balance plastic.
The plastic is 65 parts of unsaturated polyester, 75 parts of epoxy resin, 75 parts of phenolic resin, 80 parts of polystyrene or 80 parts of polyethylene.
Example 3
A low-conductivity glass fiber reinforced molding compound, a steel wire mesh and raw materials, wherein the raw materials comprise the following components in parts by weight: the raw materials comprise, by weight, 70 parts of glass fiber, 0.6 part of release agent, 3 parts of thickening agent, 1.3 parts of initiator, 1.2 parts of light stabilizer, 8 parts of talcum powder, 2 parts of compatilizer, 15 parts of shrinking agent, 50 parts of filler, 12 parts of flame retardant and the balance plastic.
The plastic is 85 parts of unsaturated polyester, 85 parts of epoxy resin, 90 parts of phenolic resin, 90 parts of polystyrene or 95 parts of polyethylene.
Example 4
The low-conductivity glass fiber reinforced molding plastic comprises a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 95 parts of glass fibers, 0.7 part of a mold release agent, 3.5 parts of a thickening agent, 1.6 parts of an initiator, 1.5 parts of a light stabilizer, 9 parts of talcum powder, 2.5 parts of a compatilizer, 19 parts of a shrinking agent, 75 parts of a filler, 12 parts of a flame retardant and the balance plastic.
The plastic is 110 parts of unsaturated polyester, 110 parts of epoxy resin, 120 parts of phenolic resin, 120 parts of polystyrene or 110 parts of polyethylene.
The preparation method of the low-conductivity glass fiber reinforced molding compound,
the method comprises the following steps:
1) preheating the plastic and the glass fiber, pouring the preheated plastic and the glass fiber into a stirrer, uniformly stirring, and standing the uniformly stirred raw materials for a period of time for later use;
2) weighing the release agent, the thickening agent, the initiator, the light stabilizer, the talcum powder, the compatilizer, the shrinking agent, the filler and the flame retardant according to the proportion, pouring the weighed materials into a stirrer to be stirred, and standing for a period of time after stirring the materials to be pasty solution for later use;
3) stirring and mixing the two raw materials in the step 1) and the step 2), and then putting the plastic raw material into a granulator for granulation treatment, so that the plastic, the glass fiber and other various raw materials are uniformly mixed and can be stored for a long time to prepare the plastic raw material;
4) cutting the steel wire mesh;
5) and finally, melting and extruding the raw materials in the step 3) from the extruder again, directly tightening and tightening a forming die, firstly pressing and forming the plastic to prepare a base blank, paving steel wire meshes on two surfaces of the base blank, pressing another layer of plastic raw material on the surfaces of the steel wire meshes, connecting the plastic raw material on the outer layer and the base blank together, and cooling to prepare the low-conductivity glass fiber reinforced plastic.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The low-conductivity glass fiber reinforced molding compound is characterized by comprising a steel wire mesh and raw materials, wherein the raw materials comprise, by weight, 30-100 parts of glass fibers, 0.1-0.8 part of a mold release agent, 0.8-5 parts of a thickening agent, 0.1-2 parts of an initiator, 0.3-2 parts of a light stabilizer, 4-12 parts of talcum powder, 0.1-3 parts of a compatilizer, 11-21 parts of a shrinking agent, 10-80 parts of a filler, 3-15 parts of a flame retardant and the balance plastic.
2. The low-conductivity glass fiber reinforced molding compound according to claim 1, wherein the plastic is 50 to 110 parts of unsaturated polyester, 60 to 110 parts of epoxy resin, 55 to 120 parts of phenolic resin, 50 to 120 parts of polystyrene, or 50 to 120 parts of polyethylene.
3. The low-conductivity glass fiber reinforced molding compound according to claim 1, wherein the raw materials comprise, in parts by weight: 50 parts of glass fiber, 0.4 part of release agent, 2 parts of thickening agent, 0.5 part of initiator, 1.2 parts of light stabilizer, 7 parts of talcum powder, 0.6 part of compatilizer, 14 parts of shrinking agent, 30 parts of filler, 5 parts of flame retardant and the balance of plastic.
4. The low-conductivity glass fiber reinforced molding compound according to claim 1, wherein the raw materials comprise, in parts by weight: 70 parts of glass fiber, 0.6 part of release agent, 3 parts of thickening agent, 1.3 parts of initiator, 1.2 parts of light stabilizer, 8 parts of talcum powder, 2 parts of compatilizer, 15 parts of shrinking agent, 50 parts of filler, 12 parts of flame retardant and the balance of plastic.
5. The low-conductivity glass fiber reinforced molding compound according to claim 2, wherein the plastic is 55 to 100 parts of unsaturated polyester, 65 to 100 parts of epoxy resin, 55 to 110 parts of phenolic resin, 60 to 110 parts of polystyrene, or 60 to 110 parts of polyethylene.
6. The low-conductivity glass fiber reinforced molding compound according to claim 2, wherein the plastic is 70 to 110 parts of unsaturated polyester, 75 to 110 parts of epoxy resin, 80 to 120 parts of phenolic resin, 70 to 110 parts of polystyrene or 70 to 110 parts of polyethylene.
7. The method for preparing the low-conductivity glass fiber reinforced molding compound according to claim 1, comprising the steps of:
1) preheating the plastic and the glass fiber, pouring the preheated plastic and the glass fiber into a stirrer, uniformly stirring, and standing the uniformly stirred raw materials for a period of time for later use;
2) weighing the release agent, the thickening agent, the initiator, the light stabilizer, the talcum powder, the compatilizer, the shrinking agent, the filler and the flame retardant according to the proportion, pouring the weighed materials into a stirrer to be stirred, and standing for a period of time after stirring the materials to be pasty solution for later use;
3) stirring and mixing the two raw materials in the step 1) and the step 2), and then putting the plastic raw material into a granulator for granulation treatment, so that the plastic, the glass fiber and other various raw materials are uniformly mixed and can be stored for a long time to prepare the plastic raw material;
4) cutting the steel wire mesh;
5) and finally, melting and extruding the raw materials in the step 3) from the extruder again, directly tightening and tightening a forming die, firstly pressing and forming the plastic to prepare a base blank, paving steel wire meshes on two surfaces of the base blank, pressing another layer of plastic raw material on the surfaces of the steel wire meshes, connecting the plastic raw material on the outer layer and the base blank together, and cooling to prepare the low-conductivity glass fiber reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509999.8A CN111548602A (en) | 2020-06-08 | 2020-06-08 | Low-conductivity glass fiber reinforced molding compound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509999.8A CN111548602A (en) | 2020-06-08 | 2020-06-08 | Low-conductivity glass fiber reinforced molding compound |
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| CN111548602A true CN111548602A (en) | 2020-08-18 |
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| CN202010509999.8A Pending CN111548602A (en) | 2020-06-08 | 2020-06-08 | Low-conductivity glass fiber reinforced molding compound |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337441A (en) * | 2007-07-03 | 2009-01-07 | 天津甘泉集团有限公司 | Method for producing copper mesh reinforcement glass fiber reinforced plastics compound tube |
| CN101808498A (en) * | 2010-03-23 | 2010-08-18 | 青岛华轩复合新材料科技有限公司 | Composite plate with electromagnetic shielding and antistatic effects and production process |
| CN103524975A (en) * | 2013-10-28 | 2014-01-22 | 北京福润德复合材料有限责任公司 | Halogen-free flame-retardant highly-heat-resistant unsaturated polyester glass fiber composite material |
| CN108990403A (en) * | 2018-08-13 | 2018-12-11 | 北京梦之墨科技有限公司 | A kind of electromagnetic armouring structure |
| CN109021438A (en) * | 2018-07-02 | 2018-12-18 | 兴仁县详务新型节能建材有限公司 | The wear-resisting enhancing polymer composite board of one kind and its manufacturing method |
| CN109021527A (en) * | 2018-06-29 | 2018-12-18 | 宁国中信零部件有限公司 | A kind of fiberglass reinforced plastics and its production technology |
| CN109049873A (en) * | 2018-08-09 | 2018-12-21 | 合肥神舟建筑集团有限公司 | A kind of reinforced glass fiber grid cloth |
-
2020
- 2020-06-08 CN CN202010509999.8A patent/CN111548602A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337441A (en) * | 2007-07-03 | 2009-01-07 | 天津甘泉集团有限公司 | Method for producing copper mesh reinforcement glass fiber reinforced plastics compound tube |
| CN101808498A (en) * | 2010-03-23 | 2010-08-18 | 青岛华轩复合新材料科技有限公司 | Composite plate with electromagnetic shielding and antistatic effects and production process |
| CN103524975A (en) * | 2013-10-28 | 2014-01-22 | 北京福润德复合材料有限责任公司 | Halogen-free flame-retardant highly-heat-resistant unsaturated polyester glass fiber composite material |
| CN109021527A (en) * | 2018-06-29 | 2018-12-18 | 宁国中信零部件有限公司 | A kind of fiberglass reinforced plastics and its production technology |
| CN109021438A (en) * | 2018-07-02 | 2018-12-18 | 兴仁县详务新型节能建材有限公司 | The wear-resisting enhancing polymer composite board of one kind and its manufacturing method |
| CN109049873A (en) * | 2018-08-09 | 2018-12-21 | 合肥神舟建筑集团有限公司 | A kind of reinforced glass fiber grid cloth |
| CN108990403A (en) * | 2018-08-13 | 2018-12-11 | 北京梦之墨科技有限公司 | A kind of electromagnetic armouring structure |
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Application publication date: 20200818 |