CN115785692A - Modified LCP material for high-performance electronic and electrical appliances and preparation method thereof - Google Patents
Modified LCP material for high-performance electronic and electrical appliances and preparation method thereof Download PDFInfo
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- CN115785692A CN115785692A CN202211570399.8A CN202211570399A CN115785692A CN 115785692 A CN115785692 A CN 115785692A CN 202211570399 A CN202211570399 A CN 202211570399A CN 115785692 A CN115785692 A CN 115785692A
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Abstract
The invention relates to the technical field of LCP plastic materials, in particular to a modified LCP material for high-performance electronic and electrical appliances and a preparation method thereof, which can enable the performance of the material to be more comprehensive and meet the higher requirement of product processing; the rubber comprises 100 parts of LCP plastic raw materials and 100 parts of modified additives, wherein the 100 parts of modified additives comprise: 30 parts of halogen-free flame retardant, 30 parts of carbon fiber particles, 15 parts of hydrolysis-resistant stabilizer, 10 parts of graphite and mica mixture, 10 parts of toughening agent and 5 parts of heat-resistant modifier.
Description
Technical Field
The invention relates to the technical field of LCP plastic materials, in particular to a modified LCP material for high-performance electronic and electric appliances and a preparation method thereof.
Background
LCP is a Liquid Crystal Polymer (LCP) with English abbreviation, is called Liquid Crystal Polymer in China, is a novel high Polymer material, can generally become a Liquid Crystal form under a certain heating state, so the LCP plastic material is named, has the advantages of high fluidity, good size safety, good solvent resistance, high mechanical strength, good flame retardance and the like, and is particularly widely applied to high-performance electronic and electrical appliances.
The LCP plastic material can be used for manufacturing various electronic and electrical parts such as quick connectors, coils, switches, sockets and the like, but at present, products manufactured by the LCP plastic material in the prior art have corresponding defects in performance and cannot meet higher performance requirements.
Disclosure of Invention
In order to solve the technical problems, the invention provides a modified LCP material for high-performance electronic and electric appliances and a preparation method thereof, wherein the modified LCP material can enable the performance of the material to be more comprehensive and meet the requirement of higher product processing.
The invention relates to a modified LCP material for high-performance electronic and electric appliances, which comprises 100 parts of LCP plastic raw materials and 100 parts of modified additives, wherein the 100 parts of modified additives comprise: 30 parts of halogen-free flame retardant, 30 parts of carbon fiber particles, 15 parts of hydrolysis resistant stabilizer, 10 parts of graphite and mica mixture, 10 parts of toughening agent and 5 parts of heat-resistant modifier.
The halogen-free flame retardant is a phosphorus series flame retardant FR-P328 flame retardant.
The invention relates to a modified LCP material for high-performance electronic and electric appliances, wherein Stabaxol P400 is selected as an anti-hydrolysis stabilizer.
The invention relates to a modified LCP material for high-performance electronic and electric appliances.
The invention relates to a modified LCP material for high-performance electronic and electric appliances, wherein SAM-I heat-resistant modifier is selected as the heat-resistant modifier.
The modified LCP material for the high-performance electronic and electric appliances has the advantages that the particle size of carbon fiber particles is 2-4mm.
The invention relates to a preparation method of a modified LCP material for high-performance electronic and electric appliances, which comprises the following steps:
s1, weighing: taking 100 parts of LCP plastic raw material, 30 parts of phosphorus flame retardant FR-P328, 30 parts of carbon fiber particles, 15 parts of Stabaxol P400, 10 parts of graphite and mica mixture, 10 parts of organic silicon epoxy toughening agent and 5 parts of SAM-I heat-resistant modifier;
s2, mixing: putting the weighed raw materials into a high-speed kneader for fully mixing;
s3, modification: putting the mixed raw materials into an extruder, melting, blending and modifying the raw materials, and extruding the blended raw materials;
s4, granulation: and cooling the extruded modified raw material, and then putting the cooled modified raw material into a plastic granulator for granulation to obtain the modified plastic raw material.
In the preparation method of the modified LCP material for the high-performance electronic and electric appliances, a coupling agent is added into a high-speed kneader in the mixing step.
Compared with the prior art, the invention has the beneficial effects that: when the material is manufactured, the LCP plastic raw material and the modified additive are mixed according to a certain proportion, and the halogen-free flame retardant is added into the LCP plastic raw material, so that the flame retardant property of the material can be effectively enhanced; by adding the carbon fiber particles, the strength and heat resistance of the material can be effectively enhanced; by adding the hydrolysis-resistant stabilizer, the material can be subjected to hydrolysis resistance, the mechanical strength of the polymer is improved, and the processing stability of a material product is improved; by adding the mixture of graphite and mica, the material has good heat insulation and high temperature resistance, and the glossiness of the surface of the material is improved; by adding the toughening agent, the toughness of the material can be increased, the brittleness of the composite material can be reduced, and the impact resistance of the composite material is improved; by adding the heat-resistant modifier, the heat resistance of the composite material can be further improved, so that the material has more comprehensive performance, and the higher requirement of product processing is met.
Drawings
FIG. 1 is a graph of the composition of the present invention;
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the modified LCP material for high performance electronic and electrical appliances of the present invention comprises 100 parts of LCP plastic raw material and 100 parts of modifying additive, wherein the 100 parts of modifying additive comprises: 30 parts of halogen-free flame retardant, 30 parts of carbon fiber particles, 15 parts of hydrolysis resistant stabilizer, 10 parts of graphite and mica mixture, 10 parts of toughening agent and 5 parts of heat-resistant modifier; when the flame-retardant LCP plastic material is manufactured, the LCP plastic material and the modified additive are mixed according to a certain proportion, and the halogen-free flame retardant is added into the LCP plastic material, so that the flame retardant property of the material can be effectively enhanced; by adding the carbon fiber particles, the strength and heat resistance of the material can be effectively enhanced; by adding the hydrolysis-resistant stabilizer, the material can be subjected to hydrolysis resistance, the mechanical strength of the polymer is improved, and the processing stability of a material product is improved; by adding the mixture of graphite and mica, the material has good heat insulation and high temperature resistance, and the glossiness of the surface of the material is improved; by adding the toughening agent, the toughness of the material can be increased, the brittleness of the composite material can be reduced, and the impact resistance of the composite material is improved; by adding the heat-resistant modifier, the heat resistance of the composite material can be further improved, so that the material has more comprehensive performance, and the higher requirement of product processing is met.
The modified LCP material for the high-performance electronic and electric appliances adopts a phosphorus flame retardant FR-P328; the flame retardant does not contain halogen, belongs to an added environment-friendly high-efficiency flame retardant, and has the advantages of less addition amount and excellent flame retardant property.
The invention relates to a modified LCP material for high-performance electronic and electric appliances and a preparation method thereof, wherein Stabaxol P400 is selected as an anti-hydrolysis stabilizer; by adopting the Stabaxol P400 hydrolysis-resistant stabilizer, the polymerization degree is higher, the molecular weight is larger, and the heat-resistant stability is better.
The modified LCP material for the high-performance electronic and electric appliances is characterized in that the toughening agent is an organic silicon epoxy toughening agent; by adopting the organic silicon epoxy flexibilizer, the composite material has good flexibilizing, high temperature resistance and chemical corrosion resistance.
The invention relates to a modified LCP material for high-performance electronic and electric appliances, wherein a heat-resistant modifier is SAM-I heat-resistant modifier; by adopting SAM-I heat-resistant modifier which is terpolymer of styrene, acrylonitrile and N-phenyl maleimide, the material has high structural rigidity and thermal stability, so that the heat resistance of the material is better.
According to the modified LCP material for the high-performance electronic and electric appliances, the particle size of carbon fiber particles is 2-4mm; by adopting the carbon fiber particles with the diameter of 2-4mm, the carbon fiber particles can be better mixed with the raw materials.
The invention relates to a preparation method of a modified LCP material for high-performance electronic and electric appliances, which comprises the following steps:
s1, weighing: taking 100 parts of LCP plastic raw material, 30 parts of phosphorus flame retardant FR-P328, 30 parts of carbon fiber particles, 15 parts of Stabaxol P400, 10 parts of graphite and mica mixture, 10 parts of organic silicon epoxy toughening agent and 5 parts of SAM-I heat-resistant modifier;
s2, mixing: putting the weighed raw materials into a high-speed kneader for fully mixing;
s3, modification: putting the mixed raw materials into an extruder, melting, blending and modifying the raw materials, and extruding the blended raw materials;
s4, granulation: and cooling the extruded modified raw material, and putting the cooled modified raw material into a plastic granulator for granulation to obtain the modified plastic raw material.
In the preparation method of the modified LCP material for the high-performance electronic and electric appliances, a coupling agent is added into a high-speed kneader in the mixing step; by adding the coupling agent into the mixture, the viscosity of the synthetic resin melt can be reduced, and the dispersity of the filler is improved to improve the processing performance, so that the product has good surface quality and mechanical, thermal and electrical properties.
The invention relates to a modified LCP material for high-performance electronic and electric appliances and a preparation method thereof, wherein during working, 100 parts of LCP plastic raw material, 30 parts of phosphorus flame retardant FR-P328, 30 parts of carbon fiber particles, 15 parts of Stabaxol P400, 10 parts of graphite and mica mixture, 10 parts of organic silicon epoxy toughening agent and 5 parts of SAM-I heat-resistant modifier are weighed; then putting the weighed raw materials into a high-speed kneading machine for fully mixing; then the mixed raw materials are put into an extruder to be melted, blended and modified, and the blended raw materials are extruded; and finally, cooling the extruded modified raw materials, and then putting the cooled modified raw materials into a plastic granulator for granulation to prepare the modified LCP plastic material.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The modified LCP material for the high-performance electronic and electric appliances is characterized by comprising 100 parts of LCP plastic cement raw material and 100 parts of modified additive, wherein the 100 parts of modified additive comprise: 30 parts of halogen-free flame retardant, 30 parts of carbon fiber particles, 15 parts of hydrolysis-resistant stabilizer, 10 parts of graphite and mica mixture, 10 parts of toughening agent and 5 parts of heat-resistant modifier.
2. The modified LCP material for high performance electronic and electric appliances as claimed in claim 1, wherein the halogen-free flame retardant is a phosphorus series flame retardant FR-P328 flame retardant.
3. The modified LCP material for high performance electronic and electric appliances as claimed in claim 2, wherein the hydrolysis resistant stabilizer is Stabaxol P400.
4. The modified LCP material for high performance electronic and electric appliances as claimed in claim 3, wherein the toughening agent is selected from organosilicon epoxy toughening agents.
5. The modified LCP material for high performance electronic and electric appliances as claimed in claim 4, wherein the heat resistant modifier is SAM-I heat resistant modifier.
6. The modified LCP material of claim 5, wherein the carbon fiber particles have a size of 2-4mm.
7. The method for preparing a modified LCP material for high performance electronic and electric appliances as claimed in any one of claims 1 to 6, comprising the steps of:
s1, weighing: taking 100 parts of LCP plastic raw material, 30 parts of phosphorus flame retardant FR-P328, 30 parts of carbon fiber particles, 15 parts of Stabaxol P400, 10 parts of graphite and mica mixture, 10 parts of organic silicon epoxy toughening agent and 5 parts of SAM-I heat-resistant modifier;
s2, mixing: putting the weighed raw materials into a high-speed kneading machine for fully mixing;
s3, modification: putting the mixed raw materials into an extruder, melting, blending and modifying the raw materials, and extruding the blended raw materials;
s4, granulation: and cooling the extruded modified raw material, and putting the cooled modified raw material into a plastic granulator for granulation to obtain the modified plastic raw material.
8. The method for preparing the modified LCP material for high performance electronic and electric appliances as claimed in claim 7, wherein in the mixing step, a coupling agent is further added into a high speed kneader.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211570399.8A CN115785692A (en) | 2022-12-08 | 2022-12-08 | Modified LCP material for high-performance electronic and electrical appliances and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211570399.8A CN115785692A (en) | 2022-12-08 | 2022-12-08 | Modified LCP material for high-performance electronic and electrical appliances and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735652A (en) * | 2002-12-18 | 2006-02-15 | 纳幕尔杜邦公司 | Wear resistance high temperature liquid crystalline polymers |
| CN102352259A (en) * | 2011-08-31 | 2012-02-15 | 金发科技股份有限公司 | Liquid crystal polymer composition, preparation method and application thereof |
| CN108148433A (en) * | 2017-12-26 | 2018-06-12 | 上海普利特化工新材料有限公司 | A kind of low warpage high temperature resistant conduction liquid crystal polyester composite and preparation method thereof |
| CN111647282A (en) * | 2020-04-22 | 2020-09-11 | 深圳市信维通信股份有限公司 | Vibrating diaphragm material and preparation method and application thereof |
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2022
- 2022-12-08 CN CN202211570399.8A patent/CN115785692A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735652A (en) * | 2002-12-18 | 2006-02-15 | 纳幕尔杜邦公司 | Wear resistance high temperature liquid crystalline polymers |
| CN102352259A (en) * | 2011-08-31 | 2012-02-15 | 金发科技股份有限公司 | Liquid crystal polymer composition, preparation method and application thereof |
| CN108148433A (en) * | 2017-12-26 | 2018-06-12 | 上海普利特化工新材料有限公司 | A kind of low warpage high temperature resistant conduction liquid crystal polyester composite and preparation method thereof |
| CN111647282A (en) * | 2020-04-22 | 2020-09-11 | 深圳市信维通信股份有限公司 | Vibrating diaphragm material and preparation method and application thereof |
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