CN105949806A - Keyboard key abrasion-resistant waterproof material for computers and preparing method of keyboard key abrasion-resistant waterproof material - Google Patents
Keyboard key abrasion-resistant waterproof material for computers and preparing method of keyboard key abrasion-resistant waterproof material Download PDFInfo
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- CN105949806A CN105949806A CN201610392225.5A CN201610392225A CN105949806A CN 105949806 A CN105949806 A CN 105949806A CN 201610392225 A CN201610392225 A CN 201610392225A CN 105949806 A CN105949806 A CN 105949806A
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a keyboard key abrasion-resistant waterproof material for computers and a preparing method of the keyboard key abrasion-resistant waterproof material. The keyboard key abrasion-resistant waterproof material for computers is prepared from a matrix and a reinforcing body, and is characterized in that the matrix is prepared from ceramic powder and lignocellulose, and the reinforcing body is prepared from polyvinyl alcohol, polyethylene glycol, polytetrafluoroethylene, urethane acrylate, sodium polyphosphate powder, silicon carbide particles, iminodisuccinic acid, ethylene glycol butyl ether acetate and sucrose polyester. The abrasion resistance and waterproof performance of the keyboard key abrasion-resistant waterproof material for computers are remarkably improved through optimization. According to the keyboard key abrasion-resistant waterproof material, prepared through the method, for computers, the Akron abrasion volume is 0.15-0.20 cm<3>/1.61 km, the waterproof performance is 0.2 MPa, and the water is not permeated after 40-60 min.
Description
Technical field
The present invention relates to a kind of technical field of polymer materials, specifically a kind of wear-resisting waterproof material of computer keyboard button and
Its preparation method.
Background technology
Along with the electronic product such as computer, mobile phone is global the most universal, computer, cell phone keyboard button are made by consumer
More and more higher with life requirements, high abrasion protection material has the most wide market prospect.Therefore, how calculating is prepared
The wear-resisting waterproof material of machine keyboard, reduces its process costs simultaneously and improves wear-resisting water resistance, and this is computer all the time
Technical barrier with keyboard wear-resisting waterproof material popularization and application.
Summary of the invention
It is an object of the invention to provide a kind of wear-resisting water resistant material of computer keyboard button and preparation method thereof, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, gathers
Close sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, with weight portion
Count, ceramic powders 24-36 part, lignocellulose 20-30 part, polyvinyl alcohol 8-14 part, Polyethylene Glycol 5-10 part,
Politef 5-10 part, urethane acrylate 2-4 part, polymerization of sodium phosphate powder 2-8 part, silicon-carbide particle 4-8
Part, iminodisuccinic acid 0.1-0.5 part, 2-Butoxyethyl acetate 5-8 part, sucrose polyfatty acid esters 2-6 part.
As the further scheme of the present invention: the described wear-resisting waterproof material of computer keyboard button, by matrix and reinforcement group
Becoming, described matrix includes that ceramic powders and lignocellulose, described reinforcement include polyvinyl alcohol, Polyethylene Glycol, polytetrafluoro
Ethylene, urethane acrylate, polymerization of sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, butyl glycol ether vinegar
Acid esters and sucrose polyfatty acid esters, in terms of weight portion comes, ceramic powders 28-32 part, lignocellulose 23-27 part, polyvinyl alcohol 10-12
Part, Polyethylene Glycol 7-8 part, politef 7-8 part, urethane acrylate 3 parts, polymerization of sodium phosphate powder 4-6 part,
Silicon-carbide particle 5-7 part, iminodisuccinic acid 0.2-0.4 part, 2-Butoxyethyl acetate 6-7 part, sucrose polyfatty acid esters 3-5
Part.
As the further scheme of the present invention: described ceramic powders mesh number is 1200 mesh, described polymerization of sodium phosphate powder mesh number
It is 800 mesh.
As the further scheme of the present invention: described silicon-carbide particle particle diameter is 10-20 μm.
As the further scheme of the present invention: a diameter of 100-200nm of described lignocellulose, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 2-3h at 800-1000 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and butyl glycol ether acetic acid
Ester, is thoroughly mixed till soilless sticking, and then the active lignocellulose with basification carries out crosslinking curing,
To mixture I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out isobaric thermal gradient reaction, mixed under the catalysis of organotin and the protection of high pure nitrogen
Compound II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1-2h；Then, then by after deaeration
Mixtures II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with
Precompressed 5-8 minute under the pressure of 260-280 DEG C and 5-10MPa, sinters 20-40 minute at 400-500 DEG C subsequently, then drops
Temperature is to 170 DEG C, and with the pressure pressurize 30 minutes of 5-10MPa, i.e. obtains the wear-resisting waterproof material of computer keyboard after the demoulding
Material.
As the further scheme of the present invention: described concrete steps (1) are subsequently placed in chemical vapor deposition stove at 900 DEG C
Insulation 2.5h.
As the further scheme of the present invention: with precompressed 8 points under the pressure of 270 DEG C and 8MPa in described concrete steps (3)
Clock, sinters 30 minutes at 450 DEG C subsequently, then is cooled to 170 DEG C, and with the pressure pressurize 30 minutes of 8MPa.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is optimized by waterproof material wear-resisting to computer keyboard button, considerably improves computer keyboard
Wear-resisting and the water resistance of wear-resisting waterproof material.The wear-resisting waterproof material of computer keyboard button that the method for the present invention prepares
Material Akron abrasion volume 0.15-0.20cm3/1.61km；Water resistance 0.2MPa, 40-60min is waterproof.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, gathers
Close sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, with weight portion
Count, ceramic powders 24 parts, lignocellulose 20 parts, polyvinyl alcohol 8 parts, Polyethylene Glycol 5 parts, politef 5
Part, urethane acrylate 2 parts, 2 parts of polymerization of sodium phosphate powder, silicon-carbide particle 4 parts, iminodisuccinic acid 0.1
Part, 2-Butoxyethyl acetate 5 parts, sucrose polyfatty acid esters 2 parts；Described ceramic powders mesh number is 1200 mesh, described polymerization phosphorus
Acid sodium powder mesh number is 800 mesh；Described silicon-carbide particle particle diameter is 10-20 μm；Described lignocellulose a diameter of
100-200nm, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 2h at 800 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and 2-Butoxyethyl acetate, fully
Stirring mixing is till soilless sticking, and then the active lignocellulose with basification carries out crosslinking curing, obtains mixture
I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out isobaric thermal gradient reaction, mixed under the catalysis of organotin and the protection of high pure nitrogen
Compound II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1h；Then, mixed then by after deaeration
Compound II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 260 DEG C
With precompressed under the pressure of 5MPa 5 minutes, sinter 20 minutes at 400 DEG C subsequently, then be cooled to 170 DEG C, and with 5MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.20cm3/1.61km；0.2MPa, 40min are waterproof.
Embodiment 2
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, gathers
Close sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, with weight portion
Count, ceramic powders 30 parts, lignocellulose 25 parts, polyvinyl alcohol 11 parts, Polyethylene Glycol 8 parts, politef 8
Part, urethane acrylate 3 parts, 5 parts of polymerization of sodium phosphate powder, silicon-carbide particle 6 parts, iminodisuccinic acid 0.3
Part, 2-Butoxyethyl acetate 7 parts, sucrose polyfatty acid esters 4 parts；Described ceramic powders mesh number is 1200 mesh, described polymerization phosphorus
Acid sodium powder mesh number is 800 mesh；Described silicon-carbide particle particle diameter is 10-20 μm；Described lignocellulose a diameter of
100-200nm, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 2.5h at 900 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and 2-Butoxyethyl acetate, fill
Dividing stirring mixing till soilless sticking, then the active lignocellulose with basification carries out crosslinking curing, is mixed
Thing I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out isobaric thermal gradient reaction, mixed under the catalysis of organotin and the protection of high pure nitrogen
Compound II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1.5h；Then, then by after deaeration
Mixtures II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 270 DEG C
With precompressed under the pressure of 8MPa 8 minutes, sinter 30 minutes at 450 DEG C subsequently, then be cooled to 170 DEG C, and with 8MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.15cm3/1.61km；0.2MPa, 60min are waterproof.
Embodiment 3
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, gathers
Close sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, with weight portion
Count, ceramic powders 36 parts, lignocellulose 30 parts, polyvinyl alcohol 14 parts, Polyethylene Glycol 10 parts, politef
10 parts, urethane acrylate 4 parts, 8 parts of polymerization of sodium phosphate powder, silicon-carbide particle 8 parts, iminodisuccinic acid
0.5 part, 2-Butoxyethyl acetate 8 parts, sucrose polyfatty acid esters 6 parts；Described ceramic powders mesh number is 1200 mesh, described polymerization
Sodium phosphate powder mesh number is 800 mesh；Described silicon-carbide particle particle diameter is 10-20 μm；Described lignocellulose a diameter of
100-200nm, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 3h at 1000 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and 2-Butoxyethyl acetate, fill
Dividing stirring mixing till soilless sticking, then the active lignocellulose with basification carries out crosslinking curing, is mixed
Thing I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out isobaric thermal gradient reaction, mixed under the catalysis of organotin and the protection of high pure nitrogen
Compound II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 2h；Then, mixed then by after deaeration
Compound II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 280 DEG C
With precompressed under the pressure of 10MPa 8 minutes, sinter 40 minutes at 500 DEG C subsequently, then be cooled to 170 DEG C, and with 10MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.18cm3/1.61km；0.2MPa, 52min are waterproof.
Comparative example 1
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, polymerization of sodium phosphate powder, silicon-carbide particle, imino-diacetic succinum
Acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, in terms of weight portion comes, ceramic powders 30 parts, lignocellulose 25 parts,
Polyvinyl alcohol 11 parts, 5 parts of polymerization of sodium phosphate powder, silicon-carbide particle 6 parts, iminodisuccinic acid 0.3 part, second two
Alcohol monobutyl ether acetate 7 parts, sucrose polyfatty acid esters 4 parts；Described ceramic powders mesh number is 1200 mesh, described polymerization of sodium phosphate powder
Mesh number is 800 mesh；Described silicon-carbide particle particle diameter is 10-20 μm；A diameter of 100-200nm of described lignocellulose,
A length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 2.5h at 900 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and 2-Butoxyethyl acetate, fill
Dividing stirring mixing till soilless sticking, then the active lignocellulose with basification carries out crosslinking curing, is mixed
Thing I；
(2) the mixture I that step (1) obtains is mixed with polyvinyl alcohol and sucrose polyfatty acid esters, at catalysis and the height of organotin
Carry out isobaric thermal gradient reaction under the protection of pure nitrogen gas, obtain mixtures II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1.5h；Then, then by after deaeration
Mixtures II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 270 DEG C
With precompressed under the pressure of 8MPa 8 minutes, sinter 30 minutes at 450 DEG C subsequently, then be cooled to 170 DEG C, and with 8MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.45cm3/1.61km；0.2MPa, 15min are waterproof.
Comparative example 2
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix, and described matrix includes ceramic powders and wooden fibre
Dimension element, in terms of weight portion comes, ceramic powders 30 parts, lignocellulose 25 parts；Described ceramic powders mesh number is 1200 mesh；
A diameter of 100-200nm of described lignocellulose, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders is melt into liquid, in being subsequently placed into chemical vapor deposition stove, is incubated 2.5h at 900 DEG C, cold
After going, pulverizing the active lignocellulose with basification carry out crosslinking curing, obtain mixture I；
(2) mixture I carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1.5h；Then, then by after deaeration
Mixture I addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 270 DEG C
With precompressed under the pressure of 8MPa 8 minutes, sinter 30 minutes at 450 DEG C subsequently, then be cooled to 170 DEG C, and with 8MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.78cm3/1.61km；0.2MPa, 2min are waterproof.
Comparative example 3
A kind of wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, and described matrix includes ceramic powders
And lignocellulose, described reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, gathers
Close sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, with weight portion
Count, ceramic powders 30 parts, lignocellulose 25 parts, polyvinyl alcohol 11 parts, Polyethylene Glycol 8 parts, politef 8
Part, urethane acrylate 3 parts, 5 parts of polymerization of sodium phosphate powder, silicon-carbide particle 6 parts, iminodisuccinic acid 0.3
Part, 2-Butoxyethyl acetate 7 parts, sucrose polyfatty acid esters 4 parts；Described ceramic powders mesh number is 1200 mesh, described polymerization phosphorus
Acid sodium powder mesh number is 800 mesh；Described silicon-carbide particle particle diameter is 10-20 μm；Described lignocellulose a diameter of
100-200nm, a length of 200-300 μm.
The preparation method of a kind of wear-resisting waterproof material of computer keyboard button, concretely comprises the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, cold go after pulverize and add Asia
Amino disuccinic acid and 2-Butoxyethyl acetate, be thoroughly mixed till soilless sticking, then with the work of basification
Property lignocellulose carries out crosslinking curing, obtains mixture I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out microwave heating treatment, obtain mixtures II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1.5h；Then, then by after deaeration
Mixtures II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with 270 DEG C
With precompressed under the pressure of 8MPa 8 minutes, sinter 30 minutes at 450 DEG C subsequently, then be cooled to 170 DEG C, and with 8MPa
Pressure pressurize 30 minutes, i.e. obtain the wear-resisting waterproof material of computer keyboard after the demoulding.
The wear-resisting waterproof material of computer keyboard button that above-mentioned technique prepares, records its anti-wear performance and (presses
GB/T1689-1998 standard) and water resistance (by GB18173-2012) parameter as follows: Akron abrasion volume
0.35cm3/1.61km；0.2MPa, 30min are waterproof.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (8)
1. the wear-resisting waterproof material of computer keyboard button, is made up of matrix and reinforcement, it is characterised in that described base
Body includes that ceramic powders and lignocellulose, described reinforcement include polyvinyl alcohol, Polyethylene Glycol, politef, poly-ammonia
Ester acrylate, polymerization of sodium phosphate powder, silicon-carbide particle, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose
Polyester, in terms of weight portion comes, ceramic powders 24-36 part, lignocellulose 20-30 part, polyvinyl alcohol 8-14 part is poly-
Ethylene glycol 5-10 part, politef 5-10 part, urethane acrylate 2-4 part, polymerization of sodium phosphate powder 2-8 part,
Silicon-carbide particle 4-8 part, iminodisuccinic acid 0.1-0.5 part, 2-Butoxyethyl acetate 5-8 part, sucrose polyfatty acid esters 2-6
Part.
The wear-resisting waterproof material of computer keyboard button the most according to claim 1, it is characterised in that described computer
With the wear-resisting waterproof material of button, being made up of matrix and reinforcement, described matrix includes ceramic powders and lignocellulose, described
Reinforcement includes polyvinyl alcohol, Polyethylene Glycol, politef, urethane acrylate, polymerization of sodium phosphate powder, carbonization
Silicon grain, iminodisuccinic acid, 2-Butoxyethyl acetate and sucrose polyfatty acid esters, in terms of weight portion comes, ceramic powders 28-32
Part, lignocellulose 23-27 part, polyvinyl alcohol 10-12 part, Polyethylene Glycol 7-8 part, politef 7-8 part is poly-
Urethane acrylate 3 parts, polymerization of sodium phosphate powder 4-6 part, silicon-carbide particle 5-7 part, iminodisuccinic acid 0.2-0.4
Part, 2-Butoxyethyl acetate 6-7 part, sucrose polyfatty acid esters 3-5 part.
The wear-resisting waterproof material of computer keyboard button the most according to claim 1 and 2, it is characterised in that described pottery
Porcelain powder mesh number is 1200 mesh, and described polymerization of sodium phosphate powder mesh number is 800 mesh.
The wear-resisting waterproof material of computer keyboard button the most according to claim 1 and 2, it is characterised in that described carbon
Silicon carbide particle particle diameter is 10-20 μm.
The wear-resisting waterproof material of computer keyboard button the most according to claim 3, it is characterised in that described wooden fibre
A diameter of 100-200nm of dimension element, a length of 200-300 μm.
6. a preparation method for the wear-resisting waterproof material of computer keyboard button as described in claim 1-5 is arbitrary, it is special
Levy and be, concretely comprise the following steps:
(1) ceramic powders and polymerization of sodium phosphate powder and silicon-carbide particle are melt into liquid, are subsequently placed into chemical gaseous phase
Be incubated 2-3h at 800-1000 DEG C in cvd furnace, cold go after pulverize and add iminodisuccinic acid and butyl glycol ether acetic acid
Ester, is thoroughly mixed till soilless sticking, and then the active lignocellulose with basification carries out crosslinking curing,
To mixture I；
(2) the mixture I that step (1) is obtained and polyvinyl alcohol and Polyethylene Glycol, politef, polyurethane propylene
Acid esters, sucrose polyfatty acid esters mix, and carry out isobaric thermal gradient reaction, mixed under the catalysis of organotin and the protection of high pure nitrogen
Compound II；
(3) mixtures II carrying out in vacuum defoamation machine deaeration, inclined heated plate is 1-2h；Then, then by after deaeration
Mixtures II addition mould solidifies, puts in high-frequency induction heating hot-pressed sintering furnace, in argon gas atmosphere, with
Precompressed 5-8 minute under the pressure of 260-280 DEG C and 5-10MPa, sinters 20-40 minute at 400-500 DEG C subsequently, then drops
Temperature is to 170 DEG C, and with the pressure pressurize 30 minutes of 5-10MPa, i.e. obtains the wear-resisting waterproof material of computer keyboard after the demoulding
Material.
The preparation method of the wear-resisting waterproof material of computer keyboard button the most according to claim 6, it is characterised in that
It is incubated 2.5h at 900 DEG C in described concrete steps (1) are subsequently placed into chemical vapor deposition stove.
The preparation method of the wear-resisting waterproof material of computer keyboard button the most according to claim 6, it is characterised in that
With precompressed 8 minutes under the pressure of 270 DEG C and 8MPa in described concrete steps (3), sinter 30 minutes at 450 DEG C subsequently,
It is cooled to 170 DEG C again, and with the pressure pressurize 30 minutes of 8MPa.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108440793A (en) * | 2018-03-24 | 2018-08-24 | 徐州九龙电子工业有限公司 | A kind of waterproof mouse material and preparation method thereof |
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