CN107434908A - Notebook computer casing cast raw material and preparation method thereof - Google Patents
Notebook computer casing cast raw material and preparation method thereof Download PDFInfo
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- CN107434908A CN107434908A CN201710746008.6A CN201710746008A CN107434908A CN 107434908 A CN107434908 A CN 107434908A CN 201710746008 A CN201710746008 A CN 201710746008A CN 107434908 A CN107434908 A CN 107434908A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
A kind of notebook computer casing cast raw material and preparation method thereof, it is related to notebook computer processing and manufacturing field, including following components：Makrolon, sodium metasilicate, quartz sand, benzoic acid, phenolic resin, polystyrene resin, methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly-aspartic-acid, nano-calcium carbonate, iron powder, ceramic, titanium dioxide, reinforcing agent, binding agent.The present invention to notebook computer casing by being used cooperatively for iron powder, ceramic, titanium dioxide, reinforcing agent and binding agent etc. with cast raw material by can be improved, so as to increase the toughness that the notebook computer casing prepared by raw material is waited when in use, and the overall corrosion resistance of notebook computer casing and the defensive ability/resistance ability to strict adverse circumstances can also be improved using the improvement to raw material, notebook computer casing cast raw material raw material and preparation method thereof, be advantageous to the raising of production efficiency and increase the quality of product.
Description
Technical field：
The present invention relates to notebook fabricate field, and in particular to a kind of notebook computer casing cast raw material and its
Preparation method.
Background technology：
Notebook computer abbreviation NB, also known as laptop computer or laptop computer, it is a kind of small-sized, portable personal electricity
Brain, generally 1-3 kilograms of weight.Its development trend is that volume is less and less, and weight is more and more lighter, and function is powerful all the more.With PC
The main distinction be that its Portable belt is convenient.The shell of notebook computer be both protect body most direct mode, Ye Shiying
An important factor for ringing its radiating effect, " body weight ", aesthetics.The common shell materials of notebook computer have：Alloy shell has aluminium
Magnesium alloy and titanium alloy, plastic casing have carbon fiber, polycarbonate and ABS engineering plastics.
Wherein relatively common has makrolon, it be notebook computer casing use material one kind, its raw material
It is oil, just into polycarbonate pellets thing after makrolon factory process, then through plastic molding and processing plant's processing just into finished product, from reality
Angle, its heat dispersion is also preferable than ABS plastic, and heat dispersion ratio is more uniform, and its disadvantage is more crisp, and one falls
Just broken, our common CDs are exactly made of this material.It is exactly more significantly FUJITSU with this material,
All it is with this material in many models, and is that full shell all uses this material.No matter from surface still from touch
Sensuously, it all seems metal that this material, which is felt,.If, without mark, list is not careful in terms of outer surface in notebook computer
Go to observe, alloy thing may be thought as.
The processing of notebook computer shell is typically all to use, and mould is processed and made, therefore the material used during cast
Quality can directly determine the quality of notebook computer casing, this patent, which can provide one kind, can strengthen thermal diffusivity and toughness
Notebook computer casing cast raw material and preparation method thereof.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of toughness that can improve notebook computer casing, increase
Rigid notebook computer casing cast raw material raw material and preparation method thereof of notebook computer casing, is advantageous to production efficiency
Raising and increase product quality.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of notebook computer casing cast raw material, including following components：Makrolon, sodium metasilicate, quartz sand, benzene first
Acid, phenolic resin, polystyrene resin, methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly- day
L-aminobutanedioic acid, nano-calcium carbonate, iron powder, ceramic, titanium dioxide, reinforcing agent, binding agent.
Further technology, the content that above-mentioned each component calculates each component according to the mass fraction are：Makrolon 12-15 parts, silicon
Sour sodium 2-5 parts, quartz sand 3-7 parts, benzoic acid 5-15 parts, phenolic resin 8-15 parts, polystyrene resin 1-1.5 parts, methyl are fine
Tie up plain 3-3.5 parts, polyethylene terephthalate 2-8 parts, bisphenol A type epoxy resin/poly-aspartic-acid 5-15 parts, nanometer
Calcium carbonate 5-12 parts, iron powder 3-5 parts, ceramic 5-7 parts, titanium dioxide 2-4 parts, reinforcing agent 3-6 parts, binding agent 1-3 parts.
Reinforcing agent wherein in said components is prepared by following component：Hydrogenated rosin pentaerythritol ester, gasoline, gather
Vinyl alcohol, polytetrafluoroethylene (PTFE), methyl methacrylate, Aluminate.
Bisphenol A type epoxy resin/the poly-aspartic-acid is through ester by bisphenol A type epoxy resin and poly-aspartic-acid
Modified processing is made again after change reaction, and its specific preparation method is：By bisphenol A type epoxy resin in microwave frequency 2450MHz,
Microwave treatment 5min, adds poly-aspartic-acid and ferrocene under power output 700W, continues microwave treatment after well mixed
10min, microwave treatment 10min again is spaced after 5min, then adds NIPA and epoxidized soybean oil, it is fully mixed
Microwave treatment 10min after conjunction, and less than -5 DEG C sealing and standing 2h are cooled to 5-10 DEG C/min cooling velocity, most afterwards through ultra micro
Micro mist is made in pulverizer.
The bisphenol A type epoxy resin, poly-aspartic-acid, ferrocene, NIPA and epoxidized soybean oil
Mass ratio be 5-10:0.5-3:0.01-0.05:0.1-1:0.05-0.3.
The binding agent for cyanoacrylate polysulfide binding agent, plastics and rubber adhesion with organic titanium by being coupled
One or more in agent, cyanoacrylate-polyethylene glycol binding agent；
Further technology, the content of reinforcing agent each component according to the mass fraction are：Hydrogenated rosin pentaerythritol ester 10-25
Part, gasoline 5-10 parts, polyvinyl alcohol 3-5 parts, polytetrafluoroethylene (PTFE) 1-5 parts, methyl methacrylate 6-10 parts, Aluminate 3-8 parts.
The preparation method of above-mentioned notebook computer casing cast raw material, comprises the following steps：
(1) by reactor be warming up to fire box temperature for 35-45 DEG C when, add makrolon, sodium metasilicate, quartz sand, benzene first
Stirred after acid, phenolic resin, polystyrene resin mixing；
(2) and then by methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly-aspartic-acid
Three mix, and to mixture carry out sterilization and it is discrete, pour the mixture into reactor and mixed after discrete；
(3) continue to be heated up to reactor 55-60 DEG C, nano-calcium carbonate is then poured into mixing, stop heating after sealing
Stand 1-2 hours；
(4) iron powder, ceramic, titanium dioxide are well mixed, then add binding agent, and uniformly the stirring of mixing feeding is set
Standby middle stirring, mixing speed is set as 500r/min during stirring；
(5) by the raw material sealed envelope in step 4, be sent into microwave equipment after intermediate frequency microwave 5-10S take out it is stand-by；
(6) material prepared by step 3 and step 5 is mixed, stirred, be then fed into 2-5 DEG C of low temperature ring
Chilling treatment is carried out in border, 3-5 is placed in low temperature environment and was as a child taken out afterwards；
(7) reinforcing agent is mixed into after normal temperature to be restored and wherein stirred, stand 1-2 hours again；
(8) product of preparation is sealed after standing, and is sent in steam copper and carries out stifling 5-10 minutes, fumigates temperature
Degree is set as 55-65 DEG C, is taken out after stifling；
(9) material of taking-up is recovered into normal temperature, so far notebook computer casing cast is prepared with raw material raw material to be completed.
The cast and processing of notebook computer casing are carried out with raw material using above-mentioned notebook computer casing cast, is processed
Notebook computer casing is detected respectively in tensile strength, elongation at break and impact strength into rear, adopted during detection
Tested with the principle of grouping comparison, every group using ten single product respectively to tensile strength, elongation at break and impact strength
Detected and take every group of value range to be recorded, record data is as shown in the table：Table 1
| Group | Tensile strength (Rm) | Elongation at break | Impact strength (J/ ㎡) |
| One group | 1600-2200 | 3-7% | 120-140 |
| Two groups | 1800-2200 | 4-7% | 115-145 |
Wherein tensile strength generally refers to plastics or metal etc. and is plastically deformed transition from uniform plastic deformation to concentration of local
Critical value, and the maximum load-carrying capacity of plastics or metal under quiet stretching condition.For plastic material, it characterizes material most
The drag of big uniform plastic deformation, for tensile sample before maximum tension stress is born, deformation is uniformity, but exceeds it
Afterwards, metal starts necking occur, that is, produces and concentrate deformation；For there is no the fragility material of (or very little) uniform plastic deformation
Material, it reflects the fracture resistance of material, can be seen that by above-mentioned data strong in tensile strength, break-draw rate and shock resistance
In terms of degree, there is good performance.
The beneficial effects of the invention are as follows：Made by the cooperation of iron powder, ceramic, titanium dioxide, reinforcing agent and binding agent etc.
With can be improved to notebook computer casing with cast raw material, exist so as to increase the notebook computer casing prepared by raw material
Toughness when use, increase notebook can also be played in the presence of bonding agent by iron powder, ceramic and titanium dioxide
The rigid effect of computer casing, and can also improve the overall corrosion resistance of notebook computer casing using the improvement to raw material
With the defensive ability/resistance ability to strict adverse circumstances, notebook computer casing cast raw material raw material and preparation method thereof, be advantageous to give birth to
Produce the raising of efficiency and increase the quality of product.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific example is closed, the present invention is expanded on further.
Embodiment 1：
A kind of notebook computer casing cast raw material, including following components：Makrolon, sodium metasilicate, quartz sand, benzene first
Acid, phenolic resin, polystyrene resin, methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly- day
L-aminobutanedioic acid, nano-calcium carbonate, iron powder, ceramic, titanium dioxide, reinforcing agent, binding agent.
The content that wherein each component calculates each component according to the mass fraction is：12 parts of makrolon, 2 parts of sodium metasilicate, quartz sand 3
Part, 5 parts of benzoic acid, 8 parts of phenolic resin, 1 part of polystyrene resin, 3 parts of methylcellulose, polyethylene terephthalate 2
Part, 5 parts of bisphenol A type epoxy resin/poly-aspartic-acid, 5 parts of nano-calcium carbonate, 3 parts of iron powder, 5 parts of ceramic, titanium dioxide 2
Part, 3 parts of reinforcing agent, 1 part of binding agent.
Reinforcing agent wherein in said components is prepared by following component：Hydrogenated rosin pentaerythritol ester, gasoline, gather
Vinyl alcohol, polytetrafluoroethylene (PTFE), methyl methacrylate, Aluminate.
Wherein hydrogenated rosin pentaerythritol ester reacts and obtained in the presence of alkaline condensing agent using formaldehyde and acetaldehyde as raw material：
When using sodium hydroxide for condensing agent, referred to as sodium method, the mol ratio of raw material is acetaldehyde：Formaldehyde：Alkali=1.5：6：1.1-
1.3, sodium hydroxide solution is added in 37% formalin, add acetaldehyde under agitation, react 6h in 25 DEG C.Neutralized mistake
Filter and produce hydrogenated rosin pentaerythritol ester；Consumption of raw materials quota：Formaldehyde (37%) 2880kg/t, acetaldehyde 350kg/t.
Wherein binding agent for cyanoacrylate polysulfide binding agent, plastics and rubber adhesion with organic titanium by being coupled
One or more in agent, cyanoacrylate-polyethylene glycol binding agent；
The content of reinforcing agent each component according to the mass fraction is：10 parts of hydrogenated rosin pentaerythritol ester, 5 parts of gasoline, poly- second
3 parts of enol, 1 part of polytetrafluoroethylene (PTFE), 6 parts of methyl methacrylate, 3 parts of Aluminate.
The preparation method of above-mentioned notebook computer casing cast raw material, comprises the following steps：
(1) by reactor be warming up to fire box temperature for 35 DEG C when, add makrolon, sodium metasilicate, quartz sand, benzoic acid,
Stirred after phenolic resin, polystyrene resin mixing；
(2) and then by methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly-aspartic-acid
Three mix, and to mixture carry out sterilization and it is discrete, pour the mixture into reactor and mixed after discrete；
(3) continue to be heated up to reactor 55 DEG C, nano-calcium carbonate is then poured into mixing, stop heating after sealing and stand
1 hour；
(4) iron powder, ceramic, titanium dioxide are well mixed, then add binding agent, and uniformly the stirring of mixing feeding is set
Standby middle stirring, mixing speed is set as 500r/min during stirring；
(5) by the raw material sealed envelope in step 4, be sent into microwave equipment after intermediate frequency microwave 5S take out it is stand-by；
(6) material prepared by step 3 and step 5 is mixed, stirred, be then fed into the low temperature environment to 2 DEG C
Middle carry out chilling treatment, place and 3 as a child took out afterwards in low temperature environment；
(7) reinforcing agent is mixed into after normal temperature to be restored and wherein stirred, stand 1 hour again；
(8) product of preparation is sealed after standing, and is sent in steam copper and carries out stifling 5 minutes, fumigation temperature
It is set as 65 DEG C, is taken out after stifling；
(9) material of taking-up is recovered into normal temperature, so far notebook computer casing cast is prepared with raw material raw material to be completed.
Embodiment 2：
A kind of notebook computer casing cast raw material, including following components：Makrolon, sodium metasilicate, quartz sand, benzene first
Acid, phenolic resin, polystyrene resin, methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly- day
L-aminobutanedioic acid, nano-calcium carbonate, iron powder, ceramic, titanium dioxide, reinforcing agent, binding agent.
The content that wherein each component calculates each component according to the mass fraction is：15 parts of makrolon, 5 parts of sodium metasilicate, quartz sand 7
Part, 15 parts of benzoic acid, 15 parts of phenolic resin, 1.5 parts of polystyrene resin, 3.5 parts of methylcellulose, poly terephthalic acid second two
8 parts of alcohol ester, 15 parts of bisphenol A type epoxy resin/poly-aspartic-acid, 12 parts of nano-calcium carbonate, 5 parts of iron powder, 7 parts of ceramic,
4 parts of titanium dioxide, 6 parts of reinforcing agent, 3 parts of binding agent.
Wherein reinforcing agent is prepared by following component：Hydrogenated rosin pentaerythritol ester, gasoline, polyvinyl alcohol, polytetrafluoro
Ethene, methyl methacrylate, Aluminate.
Wherein hydrogenated rosin pentaerythritol ester reacts and obtained in the presence of alkaline condensing agent using formaldehyde and acetaldehyde as raw material：
When using sodium hydroxide for condensing agent, referred to as sodium method, the mol ratio of raw material is acetaldehyde：Formaldehyde：Alkali=1.5：6：1.1, will
Sodium hydroxide solution is added in 37% formalin, adds acetaldehyde under agitation, reacts 6h in 32 DEG C.Neutralized filter produces
Hydrogenated rosin pentaerythritol ester；Consumption of raw materials quota：Formaldehyde (37%) 2880kg/t, acetaldehyde 350kg/t.
Binding agent is by for cyanoacrylate polysulfide binding agent, plastics and rubber adhesion organic titanium coupling agent, cyanogen
One or more in base acrylate-polyethylene glycol binding agent；
The content of reinforcing agent each component according to the mass fraction is：25 parts of hydrogenated rosin pentaerythritol ester, 10 parts of gasoline, poly- second
5 parts of enol, 5 parts of polytetrafluoroethylene (PTFE), 10 parts of methyl methacrylate, 5 parts of Aluminate.
The preparation method of notebook computer casing cast raw material, comprises the following steps：
(1) by reactor be warming up to fire box temperature for 45 DEG C when, add makrolon, sodium metasilicate, quartz sand, benzoic acid,
Stirred after phenolic resin, polystyrene resin mixing；
(2) and then by methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly-aspartic-acid
Three mix, and to mixture carry out sterilization and it is discrete, pour the mixture into reactor and mixed after discrete；
(3) continue to be heated up to reactor 60 DEG C, nano-calcium carbonate is then poured into mixing, stop heating after sealing and stand
1 hour；
(4) iron powder, ceramic, titanium dioxide are well mixed, then add binding agent, and uniformly the stirring of mixing feeding is set
Standby middle stirring, mixing speed is set as 500r/min during stirring；
(5) by the raw material sealed envelope in step 4, be sent into microwave equipment after intermediate frequency microwave 10S take out it is stand-by；
(6) material prepared by step 3 and step 5 is mixed, stirred, be then fed into the low temperature environment to 5 DEG C
Middle carry out chilling treatment, place and 3 as a child took out afterwards in low temperature environment；
(7) reinforcing agent is mixed into after normal temperature to be restored and wherein stirred, stand 2 hours again；
(8) product of preparation is sealed after standing, and is sent in steam copper and carries out stifling 10 minutes, fumigation temperature
It is set as 55 DEG C, is taken out after stifling；
(9) material of taking-up is recovered into normal temperature, so far notebook computer casing cast is prepared with raw material raw material to be completed.
Prepared by above-described embodiment 1 and embodiment 2, and be processed into notebook computer casing, then to notebook electricity
Tensile strength, elongation at break and the impact strength of brain shell are detected respectively, testing result such as following table：Table 2
Then outside the notebook computer formed again to common raw material and normal conventional the method cast normally purchased on the market
Shell is detected, and testing result is as follows：It is shown in Table 3
Pass through the comparative analysis to table 1, table 2 and table 3：The formula for the cast raw material that the art of this patent provides is by adding
The cast raw material that work is prepared can effectively improve tensile strength, elongation at break and the anti-impact of product after product is produced
Hit intensity, therefore toughness to notebook computer casing and the ability of the anti-adverse environment of product is obviously improved,
Lifting to notebook computer casing quality has very great help
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
- A kind of 1. notebook computer casing cast raw material, it is characterised in that：Including following components：Makrolon, sodium metasilicate, stone Sand, benzoic acid, phenolic resin, polystyrene resin, methylcellulose, polyethylene terephthalate, bisphenol type epoxy Resin/poly-aspartic-acid, nano-calcium carbonate, iron powder, ceramic, titanium dioxide, reinforcing agent, binding agent.
- A kind of 2. notebook computer casing cast raw material according to claim 1, it is characterised in that：According to the mass fraction It is prepared from the following components：Polyester slice 12-15 parts, sodium metasilicate 2-5 parts, lignin 3-7 parts, benzoic acid 5-15 parts, phenol Urea formaldehyde 8-15 parts, polystyrene resin 1-1.5 parts, methylcellulose 3-3.5 parts, makrolon 2-8 parts, P-hydroxybenzoic acid 5-15 parts, fiber glass reinforced PBT 5-12 parts, iron powder 3-5 parts, crystal powder 5-7 parts, titanium dioxide 2-4 parts, reinforcing agent 3-6 parts, binding agent 1-3 parts.
- A kind of 3. notebook computer casing cast raw material according to claim 1, it is characterised in that：Reinforcing agent is by following Component is prepared：Reinforcing agent is prepared by following component：Hydrogenated rosin pentaerythritol ester, gasoline, polyvinyl alcohol, polytetrafluoro Ethene, methyl methacrylate, Aluminate.
- A kind of 4. notebook computer casing cast raw material according to claim 1, it is characterised in that：The bisphenol A-type Epoxy resin/poly-aspartic-acid be by bisphenol A type epoxy resin and poly-aspartic-acid after esterification it is modified again Reason is made, and its specific preparation method is：By bisphenol A type epoxy resin under microwave frequency 2450MHz, power output 700W microwave 5min is handled, adds poly-aspartic-acid and ferrocene, continues microwave treatment 10min after being well mixed, is spaced after 5min again Secondary microwave treatment 10min, NIPA and epoxidized soybean oil are then added, is sufficiently mixed rear microwave treatment 10min, And less than -5 DEG C sealing and standing 2h are cooled to 5-10 DEG C/min cooling velocity, micro mist most is made through micronizer afterwards.
- A kind of 5. notebook computer casing cast raw material according to claim 4, it is characterised in that：The bisphenol A-type Epoxy resin, poly-aspartic-acid, ferrocene, the mass ratio of NIPA and epoxidized soybean oil are 5-10:0.5- 3:0.01-0.05:0.1-1:0.05-0.3。
- A kind of 6. notebook computer casing cast raw material according to claim 1, it is characterised in that：The binding agent by For cyanoacrylate polysulfide binding agent, plastics and rubber adhesion organic titanium coupling agent, cyanoacrylate-poly- second two One or more in alcohol binding agent.
- A kind of 7. preparation method of notebook computer casing cast raw material, it is characterised in that：Comprise the following steps：(1) by reactor be warming up to fire box temperature for 35-45 DEG C when, add makrolon, sodium metasilicate, quartz sand, benzoic acid, phenol Stirred after urea formaldehyde, polystyrene resin mixing；(2) and then by methylcellulose, polyethylene terephthalate, bisphenol A type epoxy resin/poly-aspartic-acid three Mixing, and to mixture carry out sterilization and it is discrete, pour the mixture into reactor and mixed after discrete；(3) continue to be heated up to reactor 55-60 DEG C, nano-calcium carbonate is then poured into mixing, stop heating after sealing and stand 1-2 hours；(4) iron powder, ceramic, titanium dioxide are well mixed, then add binding agent, and uniformly mixing is sent into mixing plant Stirring, mixing speed is set as 500r/min during stirring；(5) by the raw material sealed envelope in step 4, be sent into microwave equipment after intermediate frequency microwave 5-10S take out it is stand-by；(6) material prepared by step 3 and step 5 is mixed, stirred, is then fed into 2-5 DEG C of low temperature environment Chilling treatment is carried out, 3-5 is placed in low temperature environment and was as a child taken out afterwards；(7) reinforcing agent is mixed into after normal temperature to be restored and wherein stirred, stand 1-2 hours again；(8) product of preparation is sealed after standing, and is sent in steam copper and carries out stifling 5-10 minutes, fumigation temperature is set It is set to 55-65 DEG C, is taken out after stifling；(9) material of taking-up is recovered into normal temperature, so far notebook computer casing cast is prepared with raw material raw material to be completed.
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| CN107474536A (en) * | 2017-08-23 | 2017-12-15 | 安徽智博新材料科技有限公司 | A kind of construction and decoration light flame-retardant acoustic material |
| CN112662125A (en) * | 2020-12-23 | 2021-04-16 | 太仓市众翔精密五金有限公司 | High-strength pressure-resistant notebook computer cover and injection molding process thereof |
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| CN106633756A (en) * | 2016-10-17 | 2017-05-10 | 蒙宇 | High-strength composite material for notebook computer shells |
| CN106633380A (en) * | 2016-10-17 | 2017-05-10 | 蒙宇 | A highly antishock composite material for laptop shells |
| CN107325497A (en) * | 2017-08-18 | 2017-11-07 | 安徽新创智能科技有限公司 | Injection molding machine arm injection raw material and preparation method thereof |
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Application publication date: 20171205 |