CN105778318A - Plastic capable of resisting electromagnetic radiation and method for preparing plastic - Google Patents
Plastic capable of resisting electromagnetic radiation and method for preparing plastic Download PDFInfo
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- CN105778318A CN105778318A CN201610164627.XA CN201610164627A CN105778318A CN 105778318 A CN105778318 A CN 105778318A CN 201610164627 A CN201610164627 A CN 201610164627A CN 105778318 A CN105778318 A CN 105778318A
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- trimethylolpropane
- butyl acrylate
- electromagnetic radiation
- plastics
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- 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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- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a plastic capable of resisting electromagnetic radiation and a method for preparing the plastic. The plastic comprises, by weight, 40-50 parts of polystyrene, 35-45 parts of polylactic acid, 10-20 parts of dibutyl phthalate, 10-20 parts of dioctyl phthalate, 25-35 parts of phenolic resin, 15-25 parts of siloxane resin, 5-15 parts of lead methacrylic acid, 5-15 parts of samarium methacrylic acid, 2-4 parts of graphite and 4-6 parts of butyl acrylate and trimethylolpropane. A weight ratio of the butyl acrylate to the trimethylolpropane is 3-5:1. The plastic and the method have the advantages that electromagnetic radiation can be obviously shielded by the plastic, electromagnetic radiation shielding effects of the plastic are mainly related to the weight ratio of the butyl acrylate to the trimethylolpropane among raw materials, and the plastic is optimal in electromagnetic radiation shielding efficiency when the weight ratio of the butyl acrylate to the trimethylolpropane is 3-5:1.
Description
Technical field
The present invention relates to anti-electromagnetic radiation material, be specifically related to a kind of can plastics that keep out electromagnetic radiation and preparation method thereof.
Background technology
The environment of our life has been substantially filled with panoramic electromagnetic radiation, generally the impact of normal person is inappreciable by this invisible electromagnetic radiation, but along with science and technology growing, more and more signs show that these electromagnetic radiation are really harmful.U.S. electromagnetic field expert lasts the impact statement of health being pointed out about electromagnetic field of completing for 9 years to have report to say, millions of people are owing to being chronically exposed in the radiation of stronger electromagnetic field lines and the danger of cancer stricken and degenerative disorders increases.Simultaneously it is also proposed that biological body cell is directly produced " heating " effect by frequency electromagnetic waves.Owing to it is to penetrate biological top layer directly interior tissue to be heated, and organism interior tissue heat radiation difficulty, so often what body surface do not see, and interior tissue seriously " burn ".Therefore have an invisible killer that scientist claims this electromagnetic radiation to be the mankind, but electromagnetic radiation to the degree of anthropogenic influence so far also among exploring further.
Electronic product is had immeasurable impact by electromagnetic radiation equally.Along with the microminiaturization of electronic product, integrated, lightweight and digitized, cause electronic product used in everyday to be subject to external electromagnetic wave interference and malfunction, image obstacle and voice disorder etc. occur.If impact is serious, the event such as can produce civil aviaton's navigation error and production line that computer controls is out of control.Successively the various regulations preventing electromagnetic interference have been worked out about international organization and developed country for this, wherein more famous regulation includes the CISPR international standard that international wireless reactance disturbs special committee to promulgate, the FCC regulation of communication committee of the United States Federal, the VDE regulation etc. of Germany.Having been carried out about in the country of regulation, the substandard electronic and electrical equipment of control of all Electromagnetic Interference does not allow to dispatch from the factory and import, in order to the impact of limit electromagnetic radiation.
The anti-electromagnetic radiation performance of common plastics is excessively poor, it is necessary to develop the plastics of a kind of anti-electromagnetic radiation excellent performance.
Summary of the invention
It is an object of the invention to provide a kind of can plastics that keep out electromagnetic radiation and preparation method thereof.
The above-mentioned purpose of the present invention is achieved by the techniques below scheme:
A kind of plastics keeping out electromagnetic radiation, are prepared by the raw material of following weight portion: polystyrene, 40～50 parts；Polylactic acid, 35～45 parts；Dibutyl phthalate, 10～20 parts；Dioctyl phthalate, 10～20 parts；Phenolic resin, 25～35 parts；Silicon ether resin, 15～25 parts；Metering system lead plumbate, 5～15 parts；Methacrylic acid samarium, 5～15 parts；Graphite, 2～4 parts；Butyl acrylate and trimethylolpropane totally 4～6 parts；Butyl acrylate and trimethylolpropane weight ratio are 3～5:1.
Further, the described plastics keeping out electromagnetic radiation are prepared by the raw material of following weight portion: polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 4:1.
Further, the described plastics keeping out electromagnetic radiation are prepared by the raw material of following weight portion: polystyrene, 40 parts；Polylactic acid, 35 parts；Dibutyl phthalate, 10 parts；Dioctyl phthalate, 10 parts；Phenolic resin, 25 parts；Silicon ether resin, 15 parts；Metering system lead plumbate, 5 parts；Methacrylic acid samarium, 5 parts；Graphite, 2 parts；Butyl acrylate and trimethylolpropane totally 4 parts；Butyl acrylate and trimethylolpropane weight ratio are 3:1.
Further, the described plastics keeping out electromagnetic radiation are prepared by the raw material of following weight portion: polystyrene, 50 parts；Polylactic acid, 45 parts；Dibutyl phthalate, 20 parts；Dioctyl phthalate, 20 parts；Phenolic resin, 35 parts；Silicon ether resin, 25 parts；Metering system lead plumbate, 15 parts；Methacrylic acid samarium, 15 parts；Graphite, 4 parts；Butyl acrylate and trimethylolpropane totally 6 parts；Butyl acrylate and trimethylolpropane weight ratio are 5:1.
The preparation method of above-mentioned plastics, comprises the steps:
Step S1, by each raw material mix homogeneously under 120～180 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 120～180 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Advantages of the present invention:
Plastics provided by the invention can significantly shield electromagnetic radiation, this effect of these plastics is main relevant with butyl acrylate in raw material and trimethylolpropane weight ratio, when butyl acrylate and trimethylolpropane weight ratio are 3～5:1, these plastics are the highest to the shield effectiveness of electromagnetic radiation.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this.Although the present invention being explained in detail with reference to preferred embodiment, it will be understood by those within the art that, it is possible to technical scheme is modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of anti-electromagnetic radiation plastics
Proportioning raw materials (weight portion):
Polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 4:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 150 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 150 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 2: the preparation of anti-electromagnetic radiation plastics
Proportioning raw materials (weight portion):
Polystyrene, 40 parts；Polylactic acid, 35 parts；Dibutyl phthalate, 10 parts；Dioctyl phthalate, 10 parts；Phenolic resin, 25 parts；Silicon ether resin, 15 parts；Metering system lead plumbate, 5 parts；Methacrylic acid samarium, 5 parts；Graphite, 2 parts；Butyl acrylate and trimethylolpropane totally 4 parts；Butyl acrylate and trimethylolpropane weight ratio are 3:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 120 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 120 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 3: the preparation of anti-electromagnetic radiation plastics
Proportioning raw materials (weight portion):
Polystyrene, 50 parts；Polylactic acid, 45 parts；Dibutyl phthalate, 20 parts；Dioctyl phthalate, 20 parts；Phenolic resin, 35 parts；Silicon ether resin, 25 parts；Metering system lead plumbate, 15 parts；Methacrylic acid samarium, 15 parts；Graphite, 4 parts；Butyl acrylate and trimethylolpropane totally 6 parts；Butyl acrylate and trimethylolpropane weight ratio are 5:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 180 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 180 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 4: the preparation of anti-electromagnetic radiation plastics
Proportioning raw materials (weight portion):
Polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 3:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 150 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 150 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 5: the preparation of anti-electromagnetic radiation plastics
Proportioning raw materials (weight portion):
Polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 5:1..
Preparation method:
Step S1, by each raw material mix homogeneously under 150 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 150 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 6: the contrast of embodiment 1, butyl acrylate and trimethylolpropane weight ratio are 2:1
Proportioning raw materials (weight portion):
Polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 2:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 150 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 150 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 7: the contrast of embodiment 1, butyl acrylate and trimethylolpropane weight ratio are 6:1
Proportioning raw materials (weight portion):
Polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 6:1.
Preparation method:
Step S1, by each raw material mix homogeneously under 150 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 150 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Embodiment 8: effect example
According to the shield effectiveness of radiation-proof plastic prepared by the regulation detection embodiment 1～7 of National Electrical industry military standard " measuring method of SJ20524-1995 Materials ' Shielding Effectiveness ", testing result is as shown in the table:
| Test sample | Shield effectiveness (shielding rate, %) |
| Embodiment 1 | 99 |
| Embodiment 2 | 93 |
| Embodiment 3 | 94 |
| Embodiment 4 | 96 |
| Embodiment 5 | 95 |
| Embodiment 6 | 58 |
| Embodiment 7 | 61 |
The above results shows, plastics provided by the invention can significantly shield electromagnetic radiation, this effect of these plastics is main relevant with butyl acrylate in raw material and trimethylolpropane weight ratio, when butyl acrylate and trimethylolpropane weight ratio are 3～5:1, these plastics are the highest to the shield effectiveness of electromagnetic radiation.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this.It will be understood by those within the art that, it is possible to technical scheme is modified or equivalent replacement, without deviating from essence and the protection domain of technical solution of the present invention.
Claims (5)
1. the plastics keeping out electromagnetic radiation, it is characterised in that be prepared from by the raw material of following weight portion: polystyrene, 40～50 parts；Polylactic acid, 35～45 parts；Dibutyl phthalate, 10～20 parts；Dioctyl phthalate, 10～20 parts；Phenolic resin, 25～35 parts；Silicon ether resin, 15～25 parts；Metering system lead plumbate, 5～15 parts；Methacrylic acid samarium, 5～15 parts；Graphite, 2～4 parts；Butyl acrylate and trimethylolpropane totally 4～6 parts；Butyl acrylate and trimethylolpropane weight ratio are 3～5:1.
2. the plastics keeping out electromagnetic radiation according to claim 1, it is characterised in that prepared by the raw material of following weight portion: polystyrene, 45 parts；Polylactic acid, 40 parts；Dibutyl phthalate, 15 parts；Dioctyl phthalate, 15 parts；Phenolic resin, 30 parts；Silicon ether resin, 20 parts；Metering system lead plumbate, 10 parts；Methacrylic acid samarium, 10 parts；Graphite, 3 parts；Butyl acrylate and trimethylolpropane totally 5 parts；Butyl acrylate and trimethylolpropane weight ratio are 4:1.
3. the plastics keeping out electromagnetic radiation according to claim 1, it is characterised in that prepared by the raw material of following weight portion: polystyrene, 40 parts；Polylactic acid, 35 parts；Dibutyl phthalate, 10 parts；Dioctyl phthalate, 10 parts；Phenolic resin, 25 parts；Silicon ether resin, 15 parts；Metering system lead plumbate, 5 parts；Methacrylic acid samarium, 5 parts；Graphite, 2 parts；Butyl acrylate and trimethylolpropane totally 4 parts；Butyl acrylate and trimethylolpropane weight ratio are 3:1.
4. the plastics keeping out electromagnetic radiation according to claim 1, it is characterised in that prepared by the raw material of following weight portion: polystyrene, 50 parts；Polylactic acid, 45 parts；Dibutyl phthalate, 20 parts；Dioctyl phthalate, 20 parts；Phenolic resin, 35 parts；Silicon ether resin, 25 parts；Metering system lead plumbate, 15 parts；Methacrylic acid samarium, 15 parts；Graphite, 4 parts；Butyl acrylate and trimethylolpropane totally 6 parts；Butyl acrylate and trimethylolpropane weight ratio are 5:1.
5. the preparation method of the arbitrary described plastics of Claims 1 to 4, it is characterised in that comprise the steps:
Step S1, by each raw material mix homogeneously under 120～180 DEG C of conditions, prepares the mixed material for extrusion molding；
Step S2, joins mixed material extrusion in double screw extruder, cuts off, obtain radiation-proof plastic pellet, and wherein the heating-up temperature in extrusion is 120～180 DEG C；
Step S3, by radiation-proof plastic pellet extrusion molding, compression molding or injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164627.XA CN105778318A (en) | 2016-03-22 | 2016-03-22 | Plastic capable of resisting electromagnetic radiation and method for preparing plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164627.XA CN105778318A (en) | 2016-03-22 | 2016-03-22 | Plastic capable of resisting electromagnetic radiation and method for preparing plastic |
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| Publication Number | Publication Date |
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| CN105778318A true CN105778318A (en) | 2016-07-20 |
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| CN201610164627.XA Pending CN105778318A (en) | 2016-03-22 | 2016-03-22 | Plastic capable of resisting electromagnetic radiation and method for preparing plastic |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252405A (en) * | 1986-04-25 | 1987-11-04 | Fukuvi Chem Ind Co Ltd | Transparent shielding material and its production |
| CN1398409A (en) * | 1998-11-06 | 2003-02-19 | 努雷塞尔公司 | Nuclear resistance cell and methods for making same |
| CN1403406A (en) * | 2002-09-29 | 2003-03-19 | 武汉大学 | Electromagnetic wave absorbing material containing carbon covered metal or metal compound and its application |
| CN103483792A (en) * | 2012-06-14 | 2014-01-01 | 潘智军 | Wave absorption and radiation protection plastic and preparation method thereof |
| CN103897364A (en) * | 2013-11-08 | 2014-07-02 | 东南大学 | Environment-friendly plastic |
-
2016
- 2016-03-22 CN CN201610164627.XA patent/CN105778318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62252405A (en) * | 1986-04-25 | 1987-11-04 | Fukuvi Chem Ind Co Ltd | Transparent shielding material and its production |
| CN1398409A (en) * | 1998-11-06 | 2003-02-19 | 努雷塞尔公司 | Nuclear resistance cell and methods for making same |
| CN1403406A (en) * | 2002-09-29 | 2003-03-19 | 武汉大学 | Electromagnetic wave absorbing material containing carbon covered metal or metal compound and its application |
| CN103483792A (en) * | 2012-06-14 | 2014-01-01 | 潘智军 | Wave absorption and radiation protection plastic and preparation method thereof |
| CN103897364A (en) * | 2013-11-08 | 2014-07-02 | 东南大学 | Environment-friendly plastic |
Non-Patent Citations (2)
| Title |
|---|
| 周瑶: "不饱和羧酸金属盐自聚合的研究及原位法制备甲基丙烯酸衫/丁腈橡胶复合材料", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
| 罗琳等: "《环境工程学》", 30 April 2014 * |
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Application publication date: 20160720 |