CN107310210B - A kind of notebook high heat radiation anti-radiation keyboard membrane and preparation method - Google Patents
A kind of notebook high heat radiation anti-radiation keyboard membrane and preparation method Download PDFInfo
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- CN107310210B CN107310210B CN201710479521.3A CN201710479521A CN107310210B CN 107310210 B CN107310210 B CN 107310210B CN 201710479521 A CN201710479521 A CN 201710479521A CN 107310210 B CN107310210 B CN 107310210B
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- 239000012528 membrane Substances 0.000 title claims abstract description 102
- 230000005855 radiation Effects 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- 230000003471 anti-radiation Effects 0.000 title claims abstract description 32
- 239000010410 layer Substances 0.000 claims abstract description 124
- 239000011241 protective layer Substances 0.000 claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 42
- 239000003795 chemical substances by application Substances 0.000 claims description 42
- 229960000892 attapulgite Drugs 0.000 claims description 37
- 229910052625 palygorskite Inorganic materials 0.000 claims description 37
- 230000003712 anti-aging effect Effects 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 36
- 239000004927 clay Substances 0.000 claims description 34
- 229920000126 latex Polymers 0.000 claims description 27
- 239000004816 latex Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 239000012065 filter cake Substances 0.000 claims description 15
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 13
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 12
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 12
- 229920002401 polyacrylamide Polymers 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 12
- 229920001228 polyisocyanate Polymers 0.000 claims description 12
- 239000005056 polyisocyanate Substances 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 11
- -1 graphene modified butadiene acrylonitrile Chemical class 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 10
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- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000004014 plasticizer Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- 238000003828 vacuum filtration Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 241000446313 Lamella Species 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 210000004276 hyalin Anatomy 0.000 claims description 5
- 238000004898 kneading Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000036961 partial effect Effects 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
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- 238000005303 weighing Methods 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 230000003311 flocculating effect Effects 0.000 claims description 4
- 230000020477 pH reduction Effects 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- XNINAOUGJUYOQX-UHFFFAOYSA-N 2-cyanobutanoic acid Chemical compound CCC(C#N)C(O)=O XNINAOUGJUYOQX-UHFFFAOYSA-N 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000001354 calcination Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000003678 scratch resistant effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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Abstract
The invention discloses a kind of notebook high heat radiation anti-radiation keyboard membranes and preparation method, the keyboard membrane includes keyboard membrane body layer, the radiation protective layer of keyboard membrane body layer upper surface is set, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, keyboard membrane body layer lower surface is additionally provided with Electrostatic Absorption layer, by adhesive heat bonding between each layer, the adhesive is epoxy resin adhesive.Preparation method includes: to prepare layers of material respectively first, then bonds layers of material in sequence and is placed in heat-sealing machine heat seal bonding to get the keyboard membrane.Keyboard membrane of the present invention not only inherits the waterproof of existing keyboard membrane, high permeability, also there is preferable heat dissipation effect and excellent shielding property, the normal operation of only computer provides guarantee, also safety guarantee is provided for computer user, the radiation bring harm for effectively reducing keyboard, has preferable use value.
Description
Technical field
The present invention relates to computer articles fields, and in particular to a kind of notebook high heat radiation anti-radiation keyboard membrane and preparation
Method.
Background technique
The epoch in living space are full of in this current information technology, people increasingly experience the differentiation of consumption electronic product
It is how fast.Before more than 20 years, when PC enters family, the huge of influence that computer lives to people is it
Less than his electronic product, in today of information age, people more and more use computer, and computor-keyboard is undoubtedly people
The important channel contacted with computer, due to the frequent use of computer, some users often allow key because of prolonged typewriting
Mill falls those letters, and keyboard can also turn to be yellow, and the above problem of keyboard of notebook computer is then more serious.
For this purpose, some companies are dedicated to making individual character, fashion, practical notebook periphery accessory.No matter in design or function
Can on penetrate into aesthstic intention, make great efforts to create more preferably product, newest flowing science and technology incorporated to the work and life of people.
Make every effort to that digital life is unusually brilliant, and be then born a variety of keyboard protective films on the market, such as: 1, universal keyboard film: plate
Keyboard membrane, no key mapping fitting, suitable for any notebook of comparable size, the defencive function with high transparency, waterproof and dustproof.
2, transparent keyboard film: the silica gel transparent keyboard film of traditional sense is consistent with the key mapping of keyboard, and concave-convex key mapping perfectly merges,
Defencive function with high transparency, waterproof and dustproof.And some colorful keyboard membranes, but existing keyboard membrane is mostly needle
Waterproof, high function thoroughly are modified, do not made a search to the heat sinking function of computer, especially keyboard dissipates laptop
There are certain inhibitions for heat, are easy to produce laptop caused by heat dissipation difficulty and use exception.And well known computer is
There are radiation, especially keyboard, existing keyboard can't radiation protection.Keyboard is so close from the hand of people, just directly makes to human body
At injury.
Therefore, researching and developing one kind both has preferable waterproof, heat dissipation performance, by the key with preferable radiation protection
Disk film is of great significance, and also complies with the demand of existing market, with good application prospect.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of high heat radiation anti-radiation keyboard membranes of notebook
And preparation method, the keyboard membrane not only inherit the waterproof of existing keyboard membrane, high permeability, also have preferable heat dissipation effect and
Excellent shielding property, the normal operation of only computer does not provide guarantee, also provides safety guarantee for computer user,
The radiation bring harm for effectively reducing keyboard, has preferable use value.In addition, described, preparation method is simple,
It is suitble to industrialization promotion production.
The present invention solves technical problem and adopts the following technical scheme that
The present invention relates to a kind of notebook high heat radiation anti-radiation keyboard membranes, including keyboard membrane body layer, are arranged in keyboard
The radiation protective layer of membrane body layer upper surface, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, the keyboard membrane body
Layer lower surface is additionally provided with Electrostatic Absorption layer, passes through adhesive heat bonding between each layer, and the adhesive is epoxide-resin glue
Glutinous agent；
The keyboard membrane body layer be high heat radiator body layer, each component including following parts by weight: polyacrylamide 40~
60 parts, 30~50 parts of polycarbonate, 10~20 parts of modified attapulgite clay, 8~12 parts of nano-titanium dioxide, anti-aging agent 1~3
Part；
The wear-resisting waterproof layer is graphene modified butadiene acrylonitrile rubber hyaline layer, each component including following parts by weight: carboxyl
60~80 parts of nitrile rubber latex, 0.5~2 part of graphene oxide, 2~5 parts of anti-aging agent WL, 5~10 parts of potassium chloride, hydrazine hydrate 8
~12 parts, further include suitable water；
The radiation protective layer be graphene modified PET transparent adhesive tape lamella, each component including following parts by weight: PET 60~
80 parts, 12~16 parts of polyisocyanates, 3~7 parts of nano-titanium dioxide, 0.4~1.2 part of graphene oxide, plasticizer 8~15
Part, 2~5 parts of anti-aging agent；
The Electrostatic Absorption layer is EVA Electrostatic Absorption film.
Preferably, the keyboard membrane body layer includes each component of following parts by weight: 55 parts of polyacrylamide, polycarbonate
40 parts, 18 parts of modified attapulgite clay, 10 parts of nano-titanium dioxide, 2 parts of anti-aging agent.
Preferably, the wear-resisting waterproof layer includes each component of following parts by weight: 70 parts of carboxy nitrile rubber latex, oxidation
1.6 parts of graphene, 4 parts of anti-aging agent WL, 8 parts of potassium chloride, 10 parts of hydrazine hydrate, further include suitable water.
Preferably, the radiation protective layer includes each component of following parts by weight: 70 parts of PET, 13 parts of polyisocyanates, being received
Rice 6 parts of titanium dioxide, 0.9 part of graphene oxide, 12 parts of plasticizer, 3 parts of anti-aging agent.
Preferably, the modified attapulgite clay is that natural attapulgite clay is purified, is acidified, after heat modification
Product.
The invention further relates to a kind of methods prepared such as notebook with high heat radiation anti-radiation keyboard membrane, include the following steps:
(1) preparation of keyboard membrane body layer: weighing polyacrylamide according to the proportion and polycarbonate is added in reaction kettle,
Heating melting, stirs 20~30min, graphene is added into mixture, then anti-aging agent is added in 1~2h of hybrid reaction, stirring
Mix 30~40min；
Into mixture be added modified attapulgite clay, nano-titanium dioxide, be uniformly mixed be placed on revolving speed be 600~
Shearing disperses 10~20min in the cutter of 800 turns/min, under ultrasonic conditions 5~10min of ultrasound, then by mixture
It is placed in film-forming machine and forms a film to get the keyboard membrane body layer；
(2) preparation of wear-resisting waterproof layer material；Carboxy nitrile rubber latex is weighed according to the proportion, by graphene oxide solution
It is added drop-wise in latex, is placed in 40~60min of ultrasound in ultrasonic wave, then mixture is transferred in reaction kettle, hydrazine hydrate is added,
10~15min is stirred, 90~100 DEG C is warming up to, is stirred to react 1~2h；
After reaction, anti-aging agent WL is added into mixture, stirs 5~10min, it is 2 that mixture, which is then placed in PH,
Klorvess Liquid in flocculate, then with 100 DEG C of deionized water clean flocculation after latex, then by latex be put into film-forming machine at
Film is to get the wear-resisting waterproof layer；
(3) PET, polyisocyanates, graphene oxide and plasticising the preparation of radiation protective layer material: are weighed respectively according to the proportion
Agent melting mixing, is stirred to react 30~60min, and mixture is transferred in kneading machine, and nano-titanium dioxide and anti-aging agent is added,
It is kneaded 10~20min, is formed to get the radiation protective layer；
(4) preparation of keyboard membrane: in sequence respectively by wear-resisting waterproof layer, radiation protective layer, keyboard membrane body layer and electrostatic
Adsorption layer arranges from top to bottom, layer by layer between coat adhesive, then layers of material is placed in heat-sealing machine and carries out heat bonding,
Up to the keyboard membrane.
Preferably, in the step (1) modified attapulgite clay the preparation method comprises the following steps:
It takes natural attapulgite to carry out being crushed to 200~300 mesh, 10~20 times of attapulgite quality of water, stirring is added
Mud in suspension is formed, upper suspension 5~10min of centrifugal treating in the centrifuge of 3000~5000 turns/min is taken, vacuum is taken out
Filter；Filter cake is placed in flask, the dilute hydrochloric acid of 2mol/L is added, is stirred at reflux 20~30min in 60~80 DEG C, is filtered by vacuum,
And wash with distilled water to PH be 6~7, obtain filter cake, then filter cake is placed in program in Muffle furnace and is warming up to 600~800 DEG C, then
1~3h of constant temperature calcining, it is 200 mesh that partial size is ground to after cooling.
Preferably, the volume and Concave-convex clay rod mass ratio that the dilute hydrochloric acid is added are 1mL:5g~10g.
Preferably, graphene oxide solution is that the graphene oxide that concentration is 0.1~0.3g/L is water-soluble in the step (2)
Liquid.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) the high heat radiation anti-radiation keyboard membrane of notebook of the present invention, not only inherit existing keyboard membrane waterproof,
High permeability also has preferable heat dissipation effect and excellent shielding property, and the normal operation of only computer does not provide guarantee,
It is abnormal to can be avoided the computer work as caused by heat dissipation is difficult, improves the service life of computer and keyboard, while being also electricity
Brain user provides safety guarantee, and effect reduces the radiation bring harm of keyboard, has preferable use value.
(2) added with modified in the keyboard membrane body layer of the high heat radiation anti-radiation keyboard membrane of notebook of the present invention
Concave-convex clay rod preferable heat dissipation effect is made it have due to its unique chain layer structure and biggish specific surface area,
And then condition is provided for the high heat dispersion of keyboard membrane.
(3) keyboard membrane of the present invention uses graphene modified butadiene acrylonitrile rubber as wear-resisting waterproof layer, since graphene has
There is lamella conjugated structure, is layering to form fine and close erosion resistant coating, can effectively inhibit infiltration and infiltration of the water to material, thus
So that graphene modified butadiene acrylonitrile rubber layer has preferable water-fast corrosion resistance；Further, since the mechanical property that graphene is excellent
Energy and chemical stability, so that modified polymer has preferable wear-resisting, scratch-resistant mechanical property and chemical stability,
So that the keyboard membrane being prepared has preferable wear-resisting, scratch-resistant mechanical property and chemical stability.
(4) notebook of the present invention uses high heat radiation anti-radiation keyboard membrane to use graphene modified PET material as anti-spoke
Layer is penetrated, since graphene has preferable electromagnet shield effect, so that modified PET material has preferable electromagnetic shielding effect
Fruit can be effectively reduced injury of the keyboard electromagnetic radiation to human body, substantially increase the safety in utilization of keyboard, meet taking human as
This objective.
(5) notebook of the present invention is additionally provided with EVA Electrostatic Absorption layer with high heat radiation anti-radiation keyboard membrane, for no glue
Self-adhesive film, enable keyboard membrane automatic absorbing on the surface of keyboard, prevent keyboard membrane from slipping, have it is easy to use, absorption
Secured feature.
(6) preparation process of the high heat radiation anti-radiation keyboard membrane of notebook of the present invention is simple, mild condition, prepares
Journey object pollutant generates, safety and environmental protection, is suitble to industrialization promotion production.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to normal condition, such as
The molecular clonings such as Sambrook: laboratory manual (New York:Cold Spring Harbor Laboratory Press,
1989) condition described in, or according to the normal condition proposed by manufacturer.
Embodiment 1:
A kind of notebook of the preferred embodiment of the present invention high heat radiation anti-radiation keyboard membrane and preparation method；
The notebook high heat radiation anti-radiation keyboard membrane, including keyboard membrane body layer are arranged in keyboard membrane body layer
The radiation protective layer on surface, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, keyboard membrane body layer lower surface is also
It is provided with Electrostatic Absorption layer, passes through adhesive heat bonding between each layer, the adhesive is epoxy resin adhesive；
The keyboard membrane body layer be high heat radiator body layer, each component including following parts by weight: 55 parts of polyacrylamide,
40 parts of polycarbonate, 18 parts of modified attapulgite clay, 10 parts of nano-titanium dioxide, 2 parts of anti-aging agent；
The wear-resisting waterproof layer is graphene modified butadiene acrylonitrile rubber hyaline layer, each component including following parts by weight: carboxyl
70 parts of nitrile rubber latex, 1.6 parts of graphene oxide, 4 parts of anti-aging agent WL, 8 parts of potassium chloride, 10 parts of hydrazine hydrate, further include appropriate
Water；
The radiation protective layer is graphene modified PET transparent adhesive tape lamella, each component including following parts by weight: PET 70
Part, 13 parts of polyisocyanates, 6 parts of nano-titanium dioxide, 0.9 part of graphene oxide, 12 parts of plasticizer, 3 parts of anti-aging agent；
The Electrostatic Absorption layer is EVA Electrostatic Absorption film, selects this Electrostatic Absorption film to be because EVA Electrostatic Absorption film is nothing
The self-adhesive film of glue, enable to keyboard membrane can automatic absorbing on the surface of keyboard, prevent keyboard membrane from slipping, have user
Just, secured feature is adsorbed.
The modified attapulgite clay is the product after purified natural attapulgite clay, acidification, heat modification.Make
It is to make it have preferable heat dissipation because of its unique chain layer structure and biggish specific surface area with such Concave-convex clay rod
Effect, and then condition is provided for the high heat dispersion of keyboard membrane.
It is of the present invention to prepare the notebook method of high heat radiation anti-radiation keyboard membrane, include the following steps:
(1) preparation of keyboard membrane body layer: weighing polyacrylamide according to the proportion and polycarbonate is added in reaction kettle,
Heating melting, stirs 30min, graphene is added into mixture, then hybrid reaction 2h is added anti-aging agent, is stirred
30min；
Modified attapulgite clay, nano-titanium dioxide are added into mixture, being uniformly mixed and being placed on revolving speed is 800
Turn/cutter of min in shearing dispersion 15min, ultrasound 10min, is then placed in film-forming machine for mixture under ultrasonic conditions
Middle film forming is to get the keyboard membrane body layer；
(2) preparation of wear-resisting waterproof layer material；Carboxy nitrile rubber latex is weighed according to the proportion, is 0.2g/L's by concentration
Graphene oxide water solution is added drop-wise in latex, is placed in ultrasound 50min in ultrasonic wave, mixture is then transferred to reaction kettle
In, hydrazine hydrate is added, stirs 10min, is warming up to 90~100 DEG C, is stirred to react 1h；
After reaction, anti-aging agent WL is added into mixture, stirs 10min, mixture is then placed in the chlorine that PH is 2
Change and flocculate in potassium solution, then cleans the latex after flocculating with 100 DEG C of deionized water, then latex is put into film-forming machine and is formed a film,
Up to the wear-resisting waterproof layer；
(3) PET, polyisocyanates, graphene oxide and plasticising the preparation of radiation protective layer material: are weighed respectively according to the proportion
Agent melting mixing, is stirred to react 50min, and mixture is transferred in kneading machine, and nano-titanium dioxide and anti-aging agent is added, and is kneaded
20min forms to get the radiation protective layer；
(4) preparation of keyboard membrane: in sequence respectively by wear-resisting waterproof layer, radiation protective layer, keyboard membrane body layer and electrostatic
Adsorption layer arranges from top to bottom, layer by layer between coat adhesive, then layers of material is placed in heat-sealing machine and carries out heat bonding,
Up to the keyboard membrane.
In step (1) modified attapulgite clay the preparation method comprises the following steps:
It takes natural attapulgite to carry out being crushed to 200~300 mesh, 16 times of attapulgite quality of water is added, stirring is formed
Mud in suspension takes upper suspension centrifugal treating 10min in the centrifuge of 4000 turns/min, vacuum filtration；Filter cake is placed in
In flask, the dilute hydrochloric acid of 2mol/L is added, wherein the volume that the dilute hydrochloric acid is added is with Concave-convex clay rod mass ratio
Then 1mL:6g is stirred at reflux 30min in 60~80 DEG C, vacuum filtration, and is wash with distilled water 6~7 to PH, obtains filter cake,
Filter cake is placed in program in Muffle furnace again and is warming up to 800 DEG C, then constant temperature calcining 2h, be ground to after cooling partial size be 200 mesh i.e.
It can.
Embodiment 2:
A kind of notebook of the preferred embodiment of the present invention high heat radiation anti-radiation keyboard membrane and preparation method；
The notebook high heat radiation anti-radiation keyboard membrane, including keyboard membrane body layer are arranged in keyboard membrane body layer
The radiation protective layer on surface, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, keyboard membrane body layer lower surface is also
It is provided with Electrostatic Absorption layer, passes through adhesive heat bonding between each layer, the adhesive is epoxy resin adhesive；
The keyboard membrane body layer be high heat radiator body layer, each component including following parts by weight: 40 parts of polyacrylamide,
30 parts of polycarbonate, 10 parts of modified attapulgite clay, 8 parts of nano-titanium dioxide, 1 part of anti-aging agent；
The wear-resisting waterproof layer is graphene modified butadiene acrylonitrile rubber hyaline layer, each component including following parts by weight: carboxyl
60 parts of nitrile rubber latex, 0.5 part of graphene oxide, 2 parts of anti-aging agent WL, 5 parts of potassium chloride, 8 parts of hydrazine hydrate, further include appropriate
Water；
The radiation protective layer is graphene modified PET transparent adhesive tape lamella, each component including following parts by weight: PET 60
Part, 12 parts of polyisocyanates, 3 parts of nano-titanium dioxide, 0.4 part of graphene oxide, 8 parts of plasticizer, 2 parts of anti-aging agent；
The Electrostatic Absorption layer is EVA Electrostatic Absorption film.
The modified attapulgite clay is the product after purified natural attapulgite clay, acidification, heat modification.
It is of the present invention to prepare the notebook method of high heat radiation anti-radiation keyboard membrane, include the following steps:
(1) preparation of keyboard membrane body layer: weighing polyacrylamide according to the proportion and polycarbonate is added in reaction kettle,
Heating melting, stirs 20min, graphene is added into mixture, then hybrid reaction 1h is added anti-aging agent, is stirred
30min；
Modified attapulgite clay, nano-titanium dioxide are added into mixture, being uniformly mixed and being placed on revolving speed is 600
Turn/cutter of min in shearing dispersion 20min, mixture, is then placed in film-forming machine by ultrasound 5min under ultrasonic conditions
Film forming is to get the keyboard membrane body layer；
(2) preparation of wear-resisting waterproof layer material；Carboxy nitrile rubber latex is weighed according to the proportion, is 0.1g/L's by concentration
Graphene oxide water solution is added drop-wise in latex, is placed in ultrasound 40min in ultrasonic wave, mixture is then transferred to reaction kettle
In, hydrazine hydrate is added, stirs 10min, is warming up to 90 DEG C, is stirred to react 2h；
After reaction, anti-aging agent WL is added into mixture, stirs 5min, mixture is then placed in the chlorine that PH is 2
Change and flocculate in potassium solution, then cleans the latex after flocculating with 100 DEG C of deionized water, then latex is put into film-forming machine and is formed a film,
Up to the wear-resisting waterproof layer；
(3) PET, polyisocyanates, graphene oxide and plasticising the preparation of radiation protective layer material: are weighed respectively according to the proportion
Agent melting mixing, is stirred to react 30min, and mixture is transferred in kneading machine, and nano-titanium dioxide and anti-aging agent is added, and is kneaded
10min forms to get the radiation protective layer；
(4) preparation of keyboard membrane: in sequence respectively by wear-resisting waterproof layer, radiation protective layer, keyboard membrane body layer and electrostatic
Adsorption layer arranges from top to bottom, layer by layer between coat adhesive, then layers of material is placed in heat-sealing machine and carries out heat bonding,
Up to the keyboard membrane.
In step (1) modified attapulgite clay the preparation method comprises the following steps:
It takes natural attapulgite to carry out being crushed to 200~300 mesh, 10 times of attapulgite quality of water is added, stirring is formed
Mud in suspension takes upper suspension centrifugal treating 10min in the centrifuge of 3000 turns/min, vacuum filtration；Filter cake is placed in
In flask, the dilute hydrochloric acid of 2mol/L is added, wherein the volume that the dilute hydrochloric acid is added is with Concave-convex clay rod mass ratio
Then 1mL:5g is stirred at reflux 30min in 60 DEG C, vacuum filtration, and is wash with distilled water 6~7 to PH, obtains filter cake, then will
Filter cake is placed in program in Muffle furnace and is warming up to 600 DEG C, then constant temperature calcining 3h, and it is 200 mesh that partial size is ground to after cooling.
Embodiment 3:
A kind of notebook of the preferred embodiment of the present invention high heat radiation anti-radiation keyboard membrane and preparation method；
The notebook high heat radiation anti-radiation keyboard membrane, including keyboard membrane body layer are arranged in keyboard membrane body layer
The radiation protective layer on surface, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, keyboard membrane body layer lower surface is also
It is provided with Electrostatic Absorption layer, passes through adhesive heat bonding between each layer, the adhesive is epoxy resin adhesive；
The keyboard membrane body layer be high heat radiator body layer, each component including following parts by weight: 60 parts of polyacrylamide,
50 parts of polycarbonate, 20 parts of modified attapulgite clay, 12 parts of nano-titanium dioxide, 3 parts of anti-aging agent；
The wear-resisting waterproof layer is graphene modified butadiene acrylonitrile rubber hyaline layer, each component including following parts by weight: carboxyl
80 parts of nitrile rubber latex, 2 parts of graphene oxide, 5 parts of anti-aging agent WL, 10 parts of potassium chloride, 12 parts of hydrazine hydrate, further include appropriate
Water；
The radiation protective layer is graphene modified PET transparent adhesive tape lamella, each component including following parts by weight: PET 80
Part, 16 parts of polyisocyanates, 7 parts of nano-titanium dioxide, 1.2 parts of graphene oxide, 15 parts of plasticizer, 5 parts of anti-aging agent；
The Electrostatic Absorption layer is EVA Electrostatic Absorption film.
The modified attapulgite clay is the product after purified natural attapulgite clay, acidification, heat modification.
It is of the present invention to prepare the notebook method of high heat radiation anti-radiation keyboard membrane, include the following steps:
(1) preparation of keyboard membrane body layer: weighing polyacrylamide according to the proportion and polycarbonate is added in reaction kettle,
Heating melting, stirs 30min, graphene is added into mixture, then hybrid reaction 2h is added anti-aging agent, is stirred
40min；
Modified attapulgite clay, nano-titanium dioxide are added into mixture, being uniformly mixed and being placed on revolving speed is 800
Turn/cutter of min in shearing dispersion 10min, ultrasound 10min, is then placed in film-forming machine for mixture under ultrasonic conditions
Middle film forming is to get the keyboard membrane body layer；
(2) preparation of wear-resisting waterproof layer material；Carboxy nitrile rubber latex is weighed according to the proportion, is 0.3g/L's by concentration
Graphene oxide water solution is added drop-wise in latex, is placed in ultrasound 60min in ultrasonic wave, mixture is then transferred to reaction kettle
In, hydrazine hydrate is added, stirs 15min, is warming up to 100 DEG C, is stirred to react 1h；
After reaction, anti-aging agent WL is added into mixture, stirs 10min, mixture is then placed in the chlorine that PH is 2
Change and flocculate in potassium solution, then cleans the latex after flocculating with 100 DEG C of deionized water, then latex is put into film-forming machine and is formed a film,
Up to the wear-resisting waterproof layer；
(3) PET, polyisocyanates, graphene oxide and plasticising the preparation of radiation protective layer material: are weighed respectively according to the proportion
Agent melting mixing, is stirred to react 60min, and mixture is transferred in kneading machine, and nano-titanium dioxide and anti-aging agent is added, and is kneaded
20min forms to get the radiation protective layer；
(4) preparation of keyboard membrane: in sequence respectively by wear-resisting waterproof layer, radiation protective layer, keyboard membrane body layer and electrostatic
Adsorption layer arranges from top to bottom, layer by layer between coat adhesive, then layers of material is placed in heat-sealing machine and carries out heat bonding,
Up to the keyboard membrane.
In step (1) modified attapulgite clay the preparation method comprises the following steps:
It takes natural attapulgite to carry out being crushed to 200~300 mesh, 20 times of attapulgite quality of water is added, stirring is formed
Mud in suspension takes upper suspension centrifugal treating 5min in the centrifuge of 5000 turns/min, vacuum filtration；Filter cake is placed in burning
In bottle, the dilute hydrochloric acid of 2mol/L is added, wherein the volume that the dilute hydrochloric acid is added is with Concave-convex clay rod mass ratio
Then 1mL:10g is stirred at reflux 30min in 60~80 DEG C, vacuum filtration, and is wash with distilled water 6~7 to PH, obtains filter cake,
Filter cake is placed in program in Muffle furnace again and is warming up to 800 DEG C, then constant temperature calcining 1h, be ground to after cooling partial size be 200 mesh i.e.
It can.
In conclusion the high heat radiation anti-radiation keyboard membrane of notebook of the present invention, not only inherits existing keyboard membrane
Waterproof, high permeability, also have preferable heat dissipation effect and excellent shielding property, not only computer normal operation provide
It ensures, it is abnormal to can be avoided the computer work as caused by heat dissipation is difficult, improves the service life of computer and keyboard, simultaneously
Safety guarantee also is provided for computer user, effect reduces the radiation bring harm of keyboard, has preferable use value.
The preparation process of the high heat radiation anti-radiation keyboard membrane of notebook of the present invention is simple, mild condition, preparation process object pollutant
It generates, safety and environmental protection, is suitble to industrialization promotion production.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (9)
1. a kind of high heat radiation anti-radiation keyboard membrane of notebook, it is characterised in that: including keyboard membrane body layer, be arranged in keyboard membrane
The radiation protective layer of body layer upper surface, and the wear-resisting waterproof layer of radiation protective layer upper surface is set, the keyboard membrane body layer
Lower surface is additionally provided with Electrostatic Absorption layer, passes through adhesive heat bonding between each layer, and the adhesive is epoxy resin gluing
Agent；
The keyboard membrane body layer be high heat radiator body layer, each component including following parts by weight: 40~60 parts of polyacrylamide,
30~50 parts of polycarbonate, 10~20 parts of modified attapulgite clay, 8~12 parts of nano-titanium dioxide, 1~3 part of anti-aging agent；
The wear-resisting waterproof layer is graphene modified butadiene acrylonitrile rubber hyaline layer, each component including following parts by weight: carboxyl butyronitrile
60~80 parts of rubber latex, 0.5~2 part of graphene oxide, 2~5 parts of anti-aging agent WL, 5~10 parts of potassium chloride, hydrazine hydrate 8~12
Part；
The radiation protective layer is graphene modified PET transparent adhesive tape lamella, each component including following parts by weight: PET 60~80
Part, 12~16 parts of polyisocyanates, 3~7 parts of nano-titanium dioxide, 0.4~1.2 part of graphene oxide, 8~15 parts of plasticizer,
2~5 parts of anti-aging agent；
The Electrostatic Absorption layer is EVA Electrostatic Absorption film.
2. the high heat radiation anti-radiation keyboard membrane of notebook according to claim 1, it is characterised in that: the keyboard membrane body
Layer includes each component of following parts by weight: 55 parts of polyacrylamide, 18 parts of modified attapulgite clay, is received 40 parts of polycarbonate
Rice 10 parts of titanium dioxide, 2 parts of anti-aging agent.
3. the high heat radiation anti-radiation keyboard membrane of notebook according to claim 1, it is characterised in that: the wear-resisting waterproof layer
Each component including following parts by weight: 70 parts of carboxy nitrile rubber latex, 1.6 parts of graphene oxide, 4 parts of anti-aging agent WL, chlorination
8 parts of potassium, 10 parts of hydrazine hydrate.
4. the high heat radiation anti-radiation keyboard membrane of notebook according to claim 1, it is characterised in that: the radiation protective layer packet
Include each component of following parts by weight: 70 parts of PET, 13 parts of polyisocyanates, 6 parts of nano-titanium dioxide, 0.9 part of graphene oxide,
12 parts of plasticizer, 3 parts of anti-aging agent.
5. the high heat radiation anti-radiation keyboard membrane of notebook according to claim 1, it is characterised in that: the modified attapulgite
Stone clay is the product after purified natural attapulgite clay, acidification, heat modification.
6. a kind of prepare the notebook as claimed in any one of claims 1 to 5 method of high heat radiation anti-radiation keyboard membrane, spy
Sign is: including the following steps:
(1) preparation of keyboard membrane body layer: weighing polyacrylamide according to the proportion and polycarbonate is added in reaction kettle, heating
Melting stirs 20~30min, graphene is added into mixture, then 1~2h of hybrid reaction is added anti-aging agent, is stirred
30~40min；
Modified attapulgite clay, nano-titanium dioxide are added into mixture, being uniformly mixed and being placed on revolving speed is 600~800
Turn/cutter of min in shearing 10~20min of dispersion, mixture, is then placed in by 5~10min of ultrasound under ultrasonic conditions
Film forming is in film-forming machine to get the keyboard membrane body layer；
(2) preparation of wear-resisting waterproof layer material；Carboxy nitrile rubber latex is weighed according to the proportion, and graphene oxide solution is added dropwise
Into latex, it is placed in 40~60min of ultrasound in ultrasonic wave, then mixture is transferred in reaction kettle, hydrazine hydrate, stirring is added
10~15min is warming up to 90~100 DEG C, is stirred to react 1~2h；
After reaction, anti-aging agent WL is added into mixture, stirs 5~10min, mixture is then placed in the chlorine that PH is 2
Change and flocculate in potassium solution, then cleans the latex after flocculating with 100 DEG C of deionized water, then latex is put into film-forming machine and is formed a film,
Up to the wear-resisting waterproof layer；
(3) it is molten that PET, polyisocyanates, graphene oxide and plasticizer the preparation of radiation protective layer material: are weighed respectively according to the proportion
Melt mixing, be stirred to react 30~60min, mixture is transferred in kneading machine, nano-titanium dioxide and anti-aging agent is added, is kneaded
10~20min forms to get the radiation protective layer；
(4) preparation of keyboard membrane: in sequence respectively by wear-resisting waterproof layer, radiation protective layer, keyboard membrane body layer and Electrostatic Absorption
Layer arrange from top to bottom, layer by layer between coat adhesive, then by layers of material be placed in heat-sealing machine carry out heat bonding to get
The keyboard membrane.
7. the notebook according to claim 6 preparation method of high heat radiation anti-radiation keyboard membrane, it is characterised in that: described
In step (1) modified attapulgite clay the preparation method comprises the following steps:
It takes natural attapulgite to carry out being crushed to 200~300 mesh, 10~20 times of attapulgite quality of water is added, stirring is formed
Mud in suspension takes upper suspension 5~10min of centrifugal treating in the centrifuge of 3000~5000 turns/min, vacuum filtration；It will
Filter cake is placed in flask, and the dilute hydrochloric acid of 2mol/L is added, and is stirred at reflux 20~30min in 60~80 DEG C, vacuum filtration, and with steaming
It is 6~7 that distilled water, which is cleaned to PH, obtains filter cake, then filter cake is placed in program in Muffle furnace and is warming up to 600~800 DEG C, then constant temperature roasts
1~3h is burnt, it is 200 mesh that partial size is ground to after cooling.
8. the notebook according to claim 7 preparation method of high heat radiation anti-radiation keyboard membrane, it is characterised in that: described
The volume and Concave-convex clay rod mass ratio that dilute hydrochloric acid is added are 1mL:5g~10g.
9. the notebook according to claim 6 preparation method of high heat radiation anti-radiation keyboard membrane, it is characterised in that: described
Graphene oxide solution is the graphene oxide water solution that concentration is 0.1~0.3g/L in step (2).
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| CN108192257A (en) * | 2018-02-06 | 2018-06-22 | 合肥东恒锐电子科技有限公司 | A kind of antifouling heat dissipation keyboard membrane and preparation method thereof |
| CN108395691A (en) * | 2018-03-02 | 2018-08-14 | 合肥思博特软件开发有限公司 | A kind of special antibacterial Keyboard film of notebook and preparation method thereof |
| CN110216963A (en) * | 2019-05-31 | 2019-09-10 | 上海彩尚实业有限公司 | A kind of laptop composite protection film and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164450A (en) * | 1984-09-07 | 1986-04-02 | 住友ベークライト株式会社 | Polyurethane base printed film |
| CN103105937A (en) * | 2012-12-07 | 2013-05-15 | 大连奥林匹克电子城利辉通讯器材商行 | Fluorescence polycarbonate keyboard film |
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2017
- 2017-06-22 CN CN201710479521.3A patent/CN107310210B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164450A (en) * | 1984-09-07 | 1986-04-02 | 住友ベークライト株式会社 | Polyurethane base printed film |
| CN103105937A (en) * | 2012-12-07 | 2013-05-15 | 大连奥林匹克电子城利辉通讯器材商行 | Fluorescence polycarbonate keyboard film |
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