CN106432892A - Preparation method of anti-electromagnetic radiation material - Google Patents
Preparation method of anti-electromagnetic radiation material Download PDFInfo
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- CN106432892A CN106432892A CN201610870332.4A CN201610870332A CN106432892A CN 106432892 A CN106432892 A CN 106432892A CN 201610870332 A CN201610870332 A CN 201610870332A CN 106432892 A CN106432892 A CN 106432892A
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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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use 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 alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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Abstract
The invention discloses a preparation method of an anti-electromagnetic radiation material and belongs to the technical field of anti-electromagnetic radiation materials. Aiming at defects that a current traditional anti-electromagnetic radiation material is easy to oxidize and the dispersibility in a polymer is not good so that the utilization range is limited, the anti-electromagnetic radiation material is prepared by taking crushed mao bamboos and carrying out steam explosion, carrying out a reaction with hydrogen peroxide and a sodium hydroxide solution and the like to prepare bamboo carbon fibers, mixing the bamboo carbon fibers with butyltin trichloride, titanium dioxide, copper sulfate and the like and reacting to obtain a shielding material, and finally, stirring and commixing the shielding material and EVA707 emulsion and the like, and carrying out film casting on polyethylene plastic. The anti-electromagnetic radiation material provided by the invention has relatively excellent conducting performance and shielding performance and has stable properties after being used for long time; the anti-electromagnetic radiation material has good compatibility and dispersibility with a polymer material and has a wide application prospect.
Description
Technical field
The invention discloses a kind of preparation method of anti-electromagnetic radiation material, belong to anti-electromagnetic radiation field of material technology.
Background technology
Electromagnetic radiation is seen everywhere in the living environment of people, and it is mainly derived from mobile phone, computer, electromagnetic oven, microwave
The electrical equipment such as stove, electric refrigerator, television set and various electronic equipment.Early in last century, World Health Organization (WHO) has just announced：Electromagnetism spoke
Penetrate and become atmospheric pollution, water pollution, the fourth-largest polluter in the world after noise pollution.With human being's production with life gradually
Enter the full electrification epoch, such pollution is increasingly serious, and the harm being brought can not be ignored.It is easily caused child suffer from white
Disorders of blood and intelligence incompleteness, triggering male reproductive system disease, the human cancer cell's propagation that accelerates, impact cardiovascular system etc.；Meanwhile,
Electromagnetic radiation also brings harm to information security, and some delinquenent elements are stolen trade secret, stolen network broadband using electromagnetic wave
Deng the information security giving people brings harm.The harm bringing for electromagnetic radiation, has developed a variety of anti-electromagnetic radiations at present
Product, such as electromagnetic radiation preventing paint, electromagnetic radiation shielding clothes etc., with this to reduce electromagnetic radiation to the injury of human body it is ensured that
The life health of people is it is ensured that people's work, the information security of life.
With the continuous development of electronic technology, a large amount of electricians, electronics, electric equipment products are come out one after another.The electric field of alternation is at it
Surrounding excites magnetic field, and the magnetic field of alternation can excite electric field, electric field and magnetic field to be alternately produced about again, propagate in atmosphere,
We term it electromagnetic wave.Because it is invisible, can not touch, contact in the short time will not produce uncomfortable sensation, once rolling up
Disease, be difficult to treatment, thus scientific circles be referred to as " invisible killer ", Contamination of Electromagnetic Wave oneself become after sky gas and water, noise pollution
The fourth-largest polluter.Continuous development with national defence scientific research, radioactive medical and Application of Nuclear Technology.Various radioactive ray quilts
Extensively apply, the injury to human body for the ray and the destruction to environment also gradually by the mankind cognition, the research to radiation proof material
Become important directions of investigation of materials.However, recently as the development further of x-ray apparatus and Application of Nuclear Technology, passing
System, single shielding material can not meet the requirement of shelter of mobile reactor and portability radiation source etc..As mixed
The solidifying soil body is long-pending greatly, mobility is poor, poisonous, exists in " X-ray weak absorbing area ", poor to neutron shield effectiveness；Boron neutron absorption
Performance is successively decreased, and for overcoming the challenge thus bringing, prepares light weight, nontoxic, physical property is excellent, shield effectiveness is good and performance is held
Long Novel radiation-protection material is significant.Traditional anti-electromagnetic radiation material shields effect is significant at present, but exist easily
Oxidized, the defect of poor dispersion in the polymer.
Content of the invention
Present invention mainly solves technical problem：Exist for current tradition anti-electromagnetic radiation material and be oxidized easily,
Poor dispersion in polymer, leads to the defect that its range is restricted, and the present invention takes the Phyllostachys pubescens Mazei ex H.de Lebaie after pulverizing to be steamed
Steam explosion breaks, and through hydrogen peroxide, bamboo carbon fiber is prepared in the reaction such as sodium hydroxide solution, then by it with monobutyl-tin-trichloride, dioxy
Change the hybrid reactions such as titanium, copper sulfate and shielding material is obtained, finally by shielding material and the blended under agitation such as EVA707 emulsion, Yu Juyi
Alkene plastics casting film-forming obtains final product anti-electromagnetic radiation material, and gained anti-electromagnetic radiation materials conductive performance of the present invention and shielding propertiess are more
Good, long-time character of use is stable, and the compatibility with polymeric material and dispersibility very well, are with a wide range of applications.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Weigh 2～3kg Phyllostachys pubescens Mazei ex H.de Lebaie, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after sieving
Load steam explosion tank in, be heated to 110～120 DEG C, and be passed through in steam explosion tank vapor to pressure inside the tank be 1.7～
1.9MPa, after keeping pressure 5～8min, opens steam explosion tank valve pressure release, filters and take out Phyllostachys pubescens Mazei ex H.de Lebaie powder after pressure release to normal pressure
End, with 60～80 DEG C of deionized water drip washing 3～5 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；
（2）Weigh 200～300g above-mentioned Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, being immersed in 500～800mL mass fraction is 10% mistake
In hydrogen peroxide solution, under 60～70 DEG C of waters bath with thermostatic control, react 1～2h, then be that 5% sodium hydroxide solution adjusts pH with mass fraction
For 10～11, continue reaction 1～2h, subsequent vacuum filtration under 80～90 DEG C of waters bath with thermostatic control, and be 50% ethanol with mass fraction
Solution washing filter cake in neutrality, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 105～110 DEG C of drying baker and is dried to perseverance to cleaning mixture
Weight, obtains Phyllostachys pubescens Mazei ex H.de Lebaie fiber；
（3）Weigh 50～80g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add in 100～150mL deionized water, stir 10 with 300～400r/min
～15min, adds 3～5mL monobutyl-tin-trichloride, 3～5g titanium dioxide, 1～3g copper sulfate continues stirring 1～2h, obtains mixed
Close liquid, add 1.0～1.2g dopamine hydrochloride, and be that 5% sodium hydroxide solution adjusts pH of mixed for 8.0 with mass fraction
～9.0, react 1～2h under 75～80 DEG C of waters bath with thermostatic control, filter, being washed with deionized filtering residue to cleaning mixture is in neutrality, will
Filtering residue is placed in drying baker, 5～6h is dried, obtains shielding filler at 60～70 DEG C；
（4）Count by weight, 70～75 parts of mass fractions are 5% poly-vinyl alcohol solution, 80～100 parts of EVA707 emulsions, 20
～30 parts of above-mentioned shielding filler mixing, stir 2～3h with 300～500r/min, obtain blending emulsion, subsequently will be blended with film rod
Emulsion casting film-forming on the glass substrate, is placed in 60～65 DEG C of drying baker, 15～20h is dried, obtains anti-electromagnetic radiation material.
The application process of the present invention is：Raw glass is cleaned 3～5 times, takes the anti-electromagnetic radiation material that the present invention is obtained
It is coated on its surface, through cutting, edging, cleaning, then take one layer of cleaned glass being plated film to close piece with it to carry out high temperature hot bending,
The thickness of film is 10～12nm it is seen that light transmission is 80～90%, and infrared reflectivity is 90～95%, and service life is more traditional anti-
Radiative material extends 2～4 years.
The invention has the beneficial effects as follows：
（1）Product of the present invention is nontoxic, free from environmental pollution, can be widely applied to family, office, audio-visual education room, communication base station,
The environment such as telecommunications room, waiting hall for airplanes, subway station；
（2）The present invention prevents penetrating the thin film that material makes, and not only tensile strength is big, light transmittance is high, and shield ranges are wide, shielding
Can persistently, preparation process is simple, prepared product is nontoxic, suitable large-scale production and application easy to use.
Specific embodiment
Weigh 2～3kg Phyllostachys pubescens Mazei ex H.de Lebaie first, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, by the hair after sieving
Bamboo powder end loads in steam explosion tank, is heated to 110～120 DEG C, and is passed through vapor to pressure inside the tank in steam explosion tank
For 1.7～1.9MPa, after keeping pressure 5～8min, open steam explosion tank valve pressure release, filter after pressure release to normal pressure and take out
Phyllostachys pubescens Mazei ex H.de Lebaie powder, with 60～80 DEG C of deionized water drip washing 3～5 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；Weigh on 200～300g
State Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, being immersed in 500～800mL mass fraction is in 10% hydrogenperoxide steam generator, at 60～70 DEG C
React 1～2h under water bath with thermostatic control, then be that 5% sodium hydroxide solution adjusts pH for 10～11 with mass fraction, in 80～90 DEG C of constant temperature
Continue reaction 1～2h, subsequent vacuum filtration under water-bath, and wash filter cake with mass fraction for 50% ethanol solution and to cleaning mixture be in
Neutrality, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 105～110 DEG C of drying baker and is dried to constant weight, obtain Phyllostachys pubescens Mazei ex H.de Lebaie fiber；Weigh 50～
80g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add 100～150mL deionized water in, with 300～400r/min stir 10～15min, add 3～
5mL monobutyl-tin-trichloride, 3～5g titanium dioxide, 1～3g copper sulfate continues stirring 1～2h, obtains mixed liquor, add 1.0～
1.2g dopamine hydrochloride, and be that 5% sodium hydroxide solution adjusts pH of mixed for 8.0～9.0 with mass fraction, 75～80
React 1～2h under DEG C water bath with thermostatic control, filter, being washed with deionized filtering residue to cleaning mixture is in neutrality, and filtering residue is placed in drying baker
In, 5～6h is dried at 60～70 DEG C, obtains shielding filler；Count by weight, 70～75 parts of mass fractions are 5% polyethylene
Alcoholic solution, 80～100 parts of EVA707 emulsions, 20～30 parts of above-mentioned shielding filler mixing, 2～3h is stirred with 300～500r/min,
Obtain blending emulsion, subsequently use film rod by blending emulsion casting film-forming on the glass substrate, be placed in 60～65 DEG C of drying baker,
15～20h is dried, obtains anti-electromagnetic radiation material.
Example 1
Weigh 2kg Phyllostachys pubescens Mazei ex H.de Lebaie first, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, the Phyllostachys pubescens Mazei ex H.de Lebaie powder dress after sieving
Enter in steam explosion tank, be heated to 110 DEG C, and to be passed through vapor to pressure inside the tank in steam explosion tank be 1.7MPa, keep
After pressure 5min, open steam explosion tank valve pressure release, filter after pressure release to normal pressure and take out Phyllostachys pubescens Mazei ex H.de Lebaie powder, with 60 DEG C of deionizations
Water wash 3 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；Weigh 200g above-mentioned Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, be immersed in 500mL
Mass fraction is in 10% hydrogenperoxide steam generator, reacts 1h under 60 DEG C of waters bath with thermostatic control, then is that 5% sodium hydroxide is molten with mass fraction
It is 10 that liquid adjusts pH, continues reaction 1h, subsequent vacuum filtration, and be that 50% ethanol is molten with mass fraction under 80 DEG C of waters bath with thermostatic control
Liquid washing filter cake is in neutrality to cleaning mixture, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 105 DEG C of drying baker and is dried to constant weight, obtain Phyllostachys pubescens Mazei ex H.de Lebaie
Fiber；Weigh 50g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add in 100mL deionized water, 10min is stirred with 300r/min, add 3mL only son
Base tin trichloride, 3g titanium dioxide, 1g copper sulfate continues stirring 1h, obtains mixed liquor, adds 1.0g dopamine hydrochloride, and uses matter
Amount fraction is that 5% sodium hydroxide solution adjusts pH of mixed for 8.0, reacts 1h, filter, use deionization under 75 DEG C of waters bath with thermostatic control
Water washing filtering residue is in neutrality to cleaning mixture, filtering residue is placed in drying baker, 5h is dried at 60 DEG C, obtain shielding filler；By weight
Number meter, 70 parts of mass fractions are 5% poly-vinyl alcohol solution, 80 parts of EVA707 emulsions, 20 parts of above-mentioned shielding filler mixing, with
300r/min stirs 2h, obtains blending emulsion, subsequently uses film rod by blending emulsion casting film-forming on the glass substrate, is placed into 60
In DEG C drying baker, 15h is dried, obtains anti-electromagnetic radiation material.
The application process of the present invention is：Raw glass is cleaned 3 times to clean, takes the anti-electromagnetic radiation material that the present invention is obtained
Material is coated on its surface, through cutting, edging, cleaning, then takes the cleaned glass that a layer is plated film to close piece with it and carry out height to warm
Curved, the thickness of film is 10nm it is seen that light transmission is 80%, and infrared reflectivity is 90%, the more traditional radiation proof material of service life
Extend 2 years.
Example 2
Weigh 3kg Phyllostachys pubescens Mazei ex H.de Lebaie first, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, the Phyllostachys pubescens Mazei ex H.de Lebaie powder dress after sieving
Enter in steam explosion tank, be heated to 120 DEG C, and to be passed through vapor to pressure inside the tank in steam explosion tank be 1.9MPa, keep
After pressure 8min, open steam explosion tank valve pressure release, filter after pressure release to normal pressure and take out Phyllostachys pubescens Mazei ex H.de Lebaie powder, with 80 DEG C of deionizations
Water wash 5 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；Weigh 300g above-mentioned Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, be immersed in 800mL
Mass fraction is in 10% hydrogenperoxide steam generator, reacts 2h under 70 DEG C of waters bath with thermostatic control, then is that 5% sodium hydroxide is molten with mass fraction
It is 11 that liquid adjusts pH, continues reaction 2h, subsequent vacuum filtration, and be that 50% ethanol is molten with mass fraction under 90 DEG C of waters bath with thermostatic control
Liquid washing filter cake is in neutrality to cleaning mixture, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 110 DEG C of drying baker and is dried to constant weight, obtain Phyllostachys pubescens Mazei ex H.de Lebaie
Fiber；Weigh 80g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add in 150mL deionized water, 15min is stirred with 400r/min, add 5mL only son
Base tin trichloride, 5g titanium dioxide, 3g copper sulfate continues stirring 2h, obtains mixed liquor, adds 1.2g dopamine hydrochloride, and uses matter
Amount fraction is that 5% sodium hydroxide solution adjusts pH of mixed for 9.0, reacts 2h, filter, use deionization under 80 DEG C of waters bath with thermostatic control
Water washing filtering residue is in neutrality to cleaning mixture, filtering residue is placed in drying baker, 6h is dried at 70 DEG C, obtain shielding filler；By weight
Number meter, 75 parts of mass fractions are 5% poly-vinyl alcohol solution, 100 parts of EVA707 emulsions, 30 parts of above-mentioned shielding filler mixing, with
500r/min stirs 3h, obtains blending emulsion, subsequently uses film rod by blending emulsion casting film-forming on the glass substrate, is placed into 65
In DEG C drying baker, 20h is dried, obtains anti-electromagnetic radiation material.
The application process of the present invention is：Raw glass is cleaned 5 times to clean, takes the anti-electromagnetic radiation material that the present invention is obtained
Material is coated on its surface, through cutting, edging, cleaning, then takes the cleaned glass that a layer is plated film to close piece with it and carry out height to warm
Curved, the thickness of film is 12nm it is seen that light transmission is 90%, and infrared reflectivity is 95%, the more traditional radiation proof material of service life
Extend 4 years.
Example 3
Weigh 2.5kg Phyllostachys pubescens Mazei ex H.de Lebaie first, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after sieving
Load in steam explosion tank, be heated to 115 DEG C, and to be passed through vapor to pressure inside the tank in steam explosion tank be 1.8MPa, protect
After holding pressure 7min, open steam explosion tank valve pressure release, filter after pressure release to normal pressure and take out Phyllostachys pubescens Mazei ex H.de Lebaie powder, with 70 DEG C go from
Sub- water wash 4 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；Weigh 250g above-mentioned Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, be immersed in
700mL mass fraction is in 10% hydrogenperoxide steam generator, reacts 1.5h under 65 DEG C of waters bath with thermostatic control, then is 5% hydrogen with mass fraction
It is 10.5 that sodium hydroxide solution adjusts pH, continues reaction 1.5h, subsequent vacuum filtration, and use mass fraction under 85 DEG C of waters bath with thermostatic control
Washing filter cake to cleaning mixture for 50% ethanol solution is in neutrality, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 107 DEG C of drying baker and is dried extremely
Constant weight, obtains Phyllostachys pubescens Mazei ex H.de Lebaie fiber；Weigh 70g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add in 130mL deionized water, 13min is stirred with 350r/min,
Add 4mL monobutyl-tin-trichloride, 4g titanium dioxide, 2g copper sulfate continues stirring 1.5h, obtains mixed liquor, adds 1.1g dopamine
Hydrochlorate, and be that 5% sodium hydroxide solution adjusts pH of mixed for 8.5 with mass fraction, react under 77 DEG C of waters bath with thermostatic control
1.5h, filters, and being washed with deionized filtering residue to cleaning mixture is in neutrality, and filtering residue is placed in drying baker, is dried at 65 DEG C
5.5h, obtains shielding filler；Count by weight, 73 parts of mass fractions are 5% poly-vinyl alcohol solution, 90 parts of EVA707 emulsions, 25
Part above-mentioned shielding filler mixing, stirs 2.5h with 400r/min, obtains blending emulsion, subsequently uses film rod by blending emulsion in glass
Casting film-forming on base material, is placed in 63 DEG C of drying baker, 17h is dried, obtains anti-electromagnetic radiation material.
The application process of the present invention is：Raw glass is cleaned 4 times to clean, takes the anti-electromagnetic radiation material that the present invention is obtained
Material is coated on its surface, through cutting, edging, cleaning, then takes the cleaned glass that a layer is plated film to close piece with it and carry out height to warm
Curved, the thickness of film is 11nm it is seen that light transmission is 85%, and infrared reflectivity is 95%, the more traditional radiation proof material of service life
Extend 3 years.
Claims (1)
1. a kind of preparation method of anti-electromagnetic radiation material is it is characterised in that concrete preparation process is：
（1）Weigh 2～3kg Phyllostachys pubescens Mazei ex H.de Lebaie, add in pulverizer after natural air drying and pulverize, cross 100 mesh sieves, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after sieving
Load steam explosion tank in, be heated to 110～120 DEG C, and be passed through in steam explosion tank vapor to pressure inside the tank be 1.7～
1.9MPa, after keeping pressure 5～8min, opens steam explosion tank valve pressure release, filters and take out Phyllostachys pubescens Mazei ex H.de Lebaie powder after pressure release to normal pressure
End, with 60～80 DEG C of deionized water drip washing 3～5 times, obtains Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder；
（2）Weigh 200～300g above-mentioned Steam explosion treatment Phyllostachys pubescens Mazei ex H.de Lebaie powder, being immersed in 500～800mL mass fraction is 10% mistake
In hydrogen peroxide solution, under 60～70 DEG C of waters bath with thermostatic control, react 1～2h, then be that 5% sodium hydroxide solution adjusts pH with mass fraction
For 10～11, continue reaction 1～2h, subsequent vacuum filtration under 80～90 DEG C of waters bath with thermostatic control, and be 50% ethanol with mass fraction
Solution washing filter cake in neutrality, the Phyllostachys pubescens Mazei ex H.de Lebaie powder after washing is proceeded in 105～110 DEG C of drying baker and is dried to perseverance to cleaning mixture
Weight, obtains Phyllostachys pubescens Mazei ex H.de Lebaie fiber；
（3）Weigh 50～80g above-mentioned Phyllostachys pubescens Mazei ex H.de Lebaie fiber, add in 100～150mL deionized water, stir 10 with 300～400r/min
～15min, adds 3～5mL monobutyl-tin-trichloride, 3～5g titanium dioxide, 1～3g copper sulfate continues stirring 1～2h, obtains mixed
Close liquid, add 1.0～1.2g dopamine hydrochloride, and be that 5% sodium hydroxide solution adjusts pH of mixed for 8.0 with mass fraction
～9.0, react 1～2h under 75～80 DEG C of waters bath with thermostatic control, filter, being washed with deionized filtering residue to cleaning mixture is in neutrality, will
Filtering residue is placed in drying baker, 5～6h is dried, obtains shielding filler at 60～70 DEG C；
（4）Count by weight, 70～75 parts of mass fractions are 5% poly-vinyl alcohol solution, 80～100 parts of EVA707 emulsions, 20
～30 parts of above-mentioned shielding filler mixing, stir 2～3h with 300～500r/min, obtain blending emulsion, subsequently will be blended with film rod
Emulsion casting film-forming on the glass substrate, is placed in 60～65 DEG C of drying baker, 15～20h is dried, obtains anti-electromagnetic radiation material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107602928A (en) * | 2017-09-06 | 2018-01-19 | 陈毅忠 | A kind of preparation method of nitrogen-doped nanometer cellulose/carbon nano-fiber composite material |
| CN109535855A (en) * | 2018-10-29 | 2019-03-29 | 刘凡领 | A kind of preparation method of efficient electric hotting mask |
| CN115354443A (en) * | 2022-08-26 | 2022-11-18 | 吉祥三宝高科纺织有限公司 | Production process of antistatic cashmere flocculus |
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| CN101451057A (en) * | 2009-01-06 | 2009-06-10 | 国际竹藤网络中心 | Bamboo charcoal base electro-magnetic screen composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101451057A (en) * | 2009-01-06 | 2009-06-10 | 国际竹藤网络中心 | Bamboo charcoal base electro-magnetic screen composite material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107602928A (en) * | 2017-09-06 | 2018-01-19 | 陈毅忠 | A kind of preparation method of nitrogen-doped nanometer cellulose/carbon nano-fiber composite material |
| CN109535855A (en) * | 2018-10-29 | 2019-03-29 | 刘凡领 | A kind of preparation method of efficient electric hotting mask |
| CN115354443A (en) * | 2022-08-26 | 2022-11-18 | 吉祥三宝高科纺织有限公司 | Production process of antistatic cashmere flocculus |
| CN115354443B (en) * | 2022-08-26 | 2023-08-11 | 吉祥三宝高科纺织有限公司 | Production process of antistatic cashmere flocculus |
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