CN107283977B - A kind of composite material for computer casing - Google Patents
A kind of composite material for computer casing Download PDFInfo
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- CN107283977B CN107283977B CN201710563636.0A CN201710563636A CN107283977B CN 107283977 B CN107283977 B CN 107283977B CN 201710563636 A CN201710563636 A CN 201710563636A CN 107283977 B CN107283977 B CN 107283977B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to computer field of material technology, provide a kind of composite material for computer casing, the composite material for computer casing includes first layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fibrous layer that the first layer, which is plastic layer, the second layer, and the 4th layer is plastic layer.Provided by the present invention for the composite material of computer casing, which is combined by four layers of different material layer, and wherein plastic layer adds the additive being made of phosphorus pentoxide and oxidant, and the phosphorus pentoxide has strong oxidizing property, decomposable plastics；Alloy-layer is made of almag, carbon fiber, plant fiber starch and lubricant, almag and carbon fiber it is compound, improve the obdurability of material, add plant fiber starch, achieve the effect that degradable.
Description
Technical field
The invention belongs to computer field of material technology, and in particular, to a kind of composite material for computer casing.
Background technique
Laptop is otherwise known as " portable computer ", and maximum feature is exactly that fuselage is small and exquisite, compares the carrying side PC
Just.NotebookComputer, also known as laptop computer, palm PC or laptop computer, be it is a kind of it is small-sized, can be portable
PC.
Traditional notebook computer casing material generallys use following several: polycarbonate, ABS engineering plastics, magnalium
Alloy, carbon fiber etc..
But above-mentioned material all has respective shortcoming, wherein the shortcomings that polycarbonate be it is more crisp, once falling
It is broken；Its density of ABS engineering plastics is larger, heavier mass, unfavorable for the Weight control of notebook, so generally focusing on moving
It will not be obtained on the product of property using and the heating conduction of plastics itself is poor, so being unfavorable for the heat dissipation of notebook；Magnalium
Alloy be not it is very wear-resisting, be easy to appear scratch with the long product for being faint in color, and being jetted through paint that can seem, fall the feelings such as paint
Condition.And its higher cost, machine-shaping is also more difficult than ABS, so general only almag is applied of notebook is being pushed up
Lid or palm pad, few products manufacture entire casing with almag；Carbon fiber is not the disadvantage is that higher cost, molding have
ABS shell is easy, in addition, there are one disadvantages for carbon fiber casing, if being exactly that ground connection is bad.
Above-mentioned material there are problems that being difficult to degrade.
Therefore, it is necessary to research and develop a kind of notebook computer casing composite material that degradable and properties are good.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of composite materials for computer casing.
A kind of composite material for computer casing provided according to the present invention, the composite material for computer casing
Including first layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fine that the first layer, which is plastic layer, the second layer,
Layer is tieed up, the 4th layer is plastic layer；
The plastic layer includes polyphenylene sulfide, polyimides, polyether-ether-ketone and additive, and the additive includes five oxidations
Two phosphorus and potassium hydroxide, the polyphenylene sulfide, polyimides, polyether-ether-ketone and additive mass ratio be 9-13:6-9:3-5:
1, the mass concentration of the potassium hydroxide is 9-13%；
The alloy-layer includes almag, carbon fiber, plant fiber starch and lubricant, the almag, carbon fiber
The mass ratio of dimension, plant fiber starch and lubricant is 11-13:5-7:2-4:1；
The fibrous layer includes polylactic resin, cotton fiber and coupling agent, the polylactic resin, cotton fiber and coupling agent
Mass ratio be 10-13:3-5:1.
Preferably, the first layer occupies the 25% of the composite material overall quality of computer casing, and the second layer accounts for
39% of composite material overall quality for computer casing, the third layer occupy the total constitution of composite material of computer casing
The 20% of amount, the 16% of the described 4th layer composite material overall quality for occupying computer casing.
Preferably, the aluminium in the almag accounts for the 80% of alloy gross mass, and surplus is magnesium.
Preferably, the lubricant includes the raw material of following weight fraction: 110-119 parts of glyceryl tristearate, season penta
61-79 parts and polyethylene 32-40 parts of tetrol stearate.
Preferably, the lubricant the preparation method is as follows:
(1) glyceryl tristearate, pentaerythritol stearate and polypropylene are weighed according to formula ratio, it is stearic first puts into three
In acid glyceride to high shear homomixer, the coupling agent of glyceryl tristearate weight 1-4% is added after dissolution, it is anti-at 90 DEG C
Answer 22-28min；
(2) pentaerythritol stearate is then put into, is gradually heated at nitrogen protection, negative pressure 0.03-0.05MPa
121-128 DEG C, insulation reaction 23-29min；
(3) continue to put into polypropylene, in helium protection, negative pressure 0.03-0.05MPa, be warming up to 152-159 DEG C,
Insulation reaction 50-60min, it is cooling, plastic lubricating agent is made.
Preferably, the coupling agent is titanate coupling agent.
Preferably, the cotton fiber is modified by following method: coupling agent is diluted with water to the coupling of 0.9-3.2wt%
Agent aqueous solution is 3-4 with salt acid for adjusting pH value, and cotton fiber is immersed in 1.5-3h in the coupling agent aqueous solution, drying is taken out, obtains
To modified cotton fiber.
Compared with prior art, the present invention have it is following the utility model has the advantages that
Provided by the present invention for the composite material of computer casing, the composite material it is compound by four layers of different material layer and
At wherein plastic layer addition has Strong oxdiative by phosphorus pentoxide and the additive for asking oxidant to form, the phosphorus pentoxide
Property, decomposable plastics；In addition, alloy-layer is made of almag, carbon fiber, plant fiber starch and lubricant, almag
It is compound with carbon fiber, the obdurability of material is improved, plant fiber starch is added, achievees the effect that degradable, is furthermore moistened
The addition of lubrication prescription can effectively improve the lubricity of material, reduce friction, reduce Interface Adhesion performance, improve mobility and demoulding
Property, and the preparation method of the lubricant is simple, without considering that complicated synthesis chemical structure changes, in a relatively short period of time at one
The compound of kind homogeneous, without using organic solvent, energy consumption is extremely low, comprehensive production cost decline, and non-environmental-pollution, nothing three
Useless discharge.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Embodiment 1
A kind of composite material for computer casing provided in this embodiment, the composite material packet for computer casing
Include first layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fiber that the first layer, which is plastic layer, the second layer,
Layer, the 4th layer is plastic layer；
The plastic layer includes polyphenylene sulfide, polyimides, polyether-ether-ketone and additive, and the additive includes five oxidations
Two phosphorus and potassium hydroxide, the polyphenylene sulfide, polyimides, polyether-ether-ketone and additive mass ratio be 13:6:5:1, it is described
The mass concentration of potassium hydroxide is 9%；
The alloy-layer includes almag, carbon fiber, plant fiber starch and lubricant, the almag, carbon fiber
The mass ratio of dimension, plant fiber starch and lubricant is 13:5:4:1, wherein the aluminium in the almag accounts for alloy gross mass
80%, surplus is magnesium.
The fibrous layer includes polylactic resin, cotton fiber and coupling agent, the polylactic resin, cotton fiber and coupling agent
Mass ratio be 13:3:1.
Wherein, the first layer occupies the 25% of the composite material overall quality of computer casing, and the second layer occupies
In the 39% of the composite material overall quality of computer casing, the third layer occupies the composite material overall quality of computer casing
20%, the 16% of the described 4th layer composite material overall quality for occupying computer casing.
Wherein, the lubricant includes the raw material of following weight fraction: 119 parts of glyceryl tristearate, pentaerythrite are hard
61 parts and 40 parts of polyethylene of resin acid ester.
Wherein, the lubricant the preparation method is as follows:
(1) glyceryl tristearate, pentaerythritol stearate and polypropylene are weighed according to formula ratio, it is stearic first puts into three
In acid glyceride to high shear homomixer, the coupling agent of glyceryl tristearate weight 4% is added after dissolution, is reacted at 90 DEG C
22min；
(2) pentaerythritol stearate is then put into, is gradually heated to 121 DEG C at nitrogen protection, negative pressure 0.05MPa,
Insulation reaction 29min；
(3) continue to put into polypropylene, in helium protection, negative pressure 0.05MPa, be warming up to 152 DEG C, insulation reaction
60min, it is cooling, plastic lubricating agent is made.
Wherein, the coupling agent is titanate coupling agent.
Wherein, the cotton fiber is modified by following method: the coupling agent that coupling agent is diluted with water to 3.2wt% is water-soluble
Liquid, is 3 with salt acid for adjusting pH value, and cotton fiber is immersed in 3h in the coupling agent aqueous solution, takes out drying, and it is fine to obtain modified cotton
Dimension.
Embodiment 2
A kind of composite material for computer casing provided in this embodiment, the composite material packet for computer casing
Include first layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fiber that the first layer, which is plastic layer, the second layer,
Layer, the 4th layer is plastic layer；
The plastic layer includes polyphenylene sulfide, polyimides, polyether-ether-ketone and additive, and the additive includes five oxidations
Two phosphorus and potassium hydroxide, the polyphenylene sulfide, polyimides, polyether-ether-ketone and additive mass ratio be 9:9:3:1, the hydrogen
The mass concentration of potassium oxide is 13%；
The alloy-layer includes almag, carbon fiber, plant fiber starch and lubricant, the almag, carbon fiber
The mass ratio of dimension, plant fiber starch and lubricant is 11:7:2:1, wherein the aluminium in the almag accounts for alloy gross mass
80%, surplus is magnesium.
The fibrous layer includes polylactic resin, cotton fiber and coupling agent, the polylactic resin, cotton fiber and coupling agent
Mass ratio be 10:5:1.
Wherein, the first layer occupies the 25% of the composite material overall quality of computer casing, and the second layer occupies
In the 39% of the composite material overall quality of computer casing, the third layer occupies the composite material overall quality of computer casing
20%, the 16% of the described 4th layer composite material overall quality for occupying computer casing.
Wherein, the lubricant includes the raw material of following weight fraction: 110 parts of glyceryl tristearate, pentaerythrite are hard
79 parts and 32 parts of polyethylene of resin acid ester.
Wherein, the lubricant the preparation method is as follows:
(1) glyceryl tristearate, pentaerythritol stearate and polypropylene are weighed according to formula ratio, it is stearic first puts into three
In acid glyceride to high shear homomixer, the coupling agent of glyceryl tristearate weight 1% is added after dissolution, is reacted at 90 DEG C
28min；
(2) pentaerythritol stearate is then put into, is gradually heated to 128 DEG C at nitrogen protection, negative pressure 0.03MPa,
Insulation reaction 23min；
(3) continue to put into polypropylene, in helium protection, negative pressure 0.03MPa, be warming up to 159 DEG C, insulation reaction
50min, it is cooling, plastic lubricating agent is made.
Wherein, the coupling agent is titanate coupling agent.
Wherein, the cotton fiber is modified by following method: the coupling agent that coupling agent is diluted with water to 0.9wt% is water-soluble
Liquid, is 4 with salt acid for adjusting pH value, and cotton fiber is immersed in 1.5h in the coupling agent aqueous solution, takes out drying, and it is fine to obtain modified cotton
Dimension.
Embodiment 3
A kind of composite material for computer casing provided in this embodiment, the composite material packet for computer casing
Include first layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fiber that the first layer, which is plastic layer, the second layer,
Layer, the 4th layer is plastic layer；
The plastic layer includes polyphenylene sulfide, polyimides, polyether-ether-ketone and additive, and the additive includes five oxidations
Two phosphorus and potassium hydroxide, the polyphenylene sulfide, polyimides, polyether-ether-ketone and additive mass ratio be 11:7:4:1, it is described
The mass concentration of potassium hydroxide is 11%；
The alloy-layer includes almag, carbon fiber, plant fiber starch and lubricant, the almag, carbon fiber
The mass ratio of dimension, plant fiber starch and lubricant is 12:6:3:1, wherein the aluminium in the almag accounts for alloy gross mass
80%, surplus is magnesium.
The fibrous layer includes polylactic resin, cotton fiber and coupling agent, the polylactic resin, cotton fiber and coupling agent
Mass ratio be 12:4:1.
Wherein, the first layer occupies the 25% of the composite material overall quality of computer casing, and the second layer occupies
In the 39% of the composite material overall quality of computer casing, the third layer occupies the composite material overall quality of computer casing
20%, the 16% of the described 4th layer composite material overall quality for occupying computer casing.
Wherein, the lubricant includes the raw material of following weight fraction: 115 parts of glyceryl tristearate, pentaerythrite are hard
66 parts and 38 parts of polyethylene of resin acid ester.
Wherein, the lubricant the preparation method is as follows:
(1) glyceryl tristearate, pentaerythritol stearate and polypropylene are weighed according to formula ratio, it is stearic first puts into three
In acid glyceride to high shear homomixer, the coupling agent of glyceryl tristearate weight 3% is added after dissolution, is reacted at 90 DEG C
25min；
(2) pentaerythritol stearate is then put into, is gradually heated to 125 DEG C at nitrogen protection, negative pressure 0.04MPa,
Insulation reaction 27min；
(3) continue to put into polypropylene, in helium protection, negative pressure 0.04MPa, be warming up to 156 DEG C, insulation reaction
55min, it is cooling, plastic lubricating agent is made.
Wherein, the coupling agent is titanate coupling agent.
Wherein, the cotton fiber is modified by following method: the coupling agent that coupling agent is diluted with water to 1.5wt% is water-soluble
Liquid, is 3 with salt acid for adjusting pH value, and cotton fiber is immersed in 2.3h in the coupling agent aqueous solution, takes out drying, and it is fine to obtain modified cotton
Dimension.
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 (7)
1. a kind of composite material for computer casing, it is characterised in that: the composite material for computer casing includes the
One layer, the second layer, third layer and the 4th layer, it be alloy-layer, third layer is fibrous layer that the first layer, which is plastic layer, the second layer,
4th layer is plastic layer；
The plastic layer includes polyphenylene sulfide, polyimides, polyether-ether-ketone and additive, and the additive includes phosphorus pentoxide
And potassium hydroxide, the polyphenylene sulfide, polyimides, polyether-ether-ketone and additive mass ratio be 9-13:6-9:3-5:1, institute
The mass concentration for stating potassium hydroxide is 9-13%；
The alloy-layer includes almag, carbon fiber, plant fiber starch and lubricant, the almag, carbon fiber, plant
The mass ratio of fibres starch and lubricant is 11-13:5-7:2-4:1；
The fibrous layer includes polylactic resin, cotton fiber and coupling agent, the matter of the polylactic resin, cotton fiber and coupling agent
Amount is than being 10-13:3-5:1.
2. the composite material according to claim 1 for computer casing, it is characterised in that: the first layer occupies electricity
The 25% of the composite material overall quality of brain shell, the second layer occupy the composite material overall quality of computer casing
39%, the third layer occupies the 20% of the composite material overall quality of computer casing, and described 4th layer occupies outside computer
The 16% of the composite material overall quality of shell.
3. the composite material according to claim 1 for computer casing, it is characterised in that: the aluminium in the almag
The 80% of alloy gross mass is accounted for, surplus is magnesium.
4. the composite material according to claim 1 for computer casing, it is characterised in that: the lubricant includes as follows
The raw material of weight fraction: 110-119 parts of glyceryl tristearate, 61-79 parts of pentaerythritol stearate and polyethylene 32-40
Part.
5. the composite material according to claim 4 for computer casing, it is characterised in that: the preparation side of the lubricant
Method is as follows:
(1) glyceryl tristearate, pentaerythritol stearate and polypropylene are weighed according to formula ratio, it is sweet first puts into three stearic acid
In grease to high shear homomixer, the coupling agent of glyceryl tristearate weight 1-4% is added after dissolution, is reacted at 90 DEG C
22-28min；
(2) pentaerythritol stearate is then put into, is gradually heated to 121- at nitrogen protection, negative pressure 0.03-0.05MPa
128 DEG C, insulation reaction 23-29min；
(3) continue to put into polypropylene, in helium protection, negative pressure 0.03-0.05MPa, be warming up to 152-159 DEG C, heat preservation
50-60min is reacted, it is cooling, plastic lubricating agent is made.
6. the composite material according to claim 5 for computer casing, it is characterised in that: the coupling agent is titanate esters
Coupling agent.
7. the composite material according to claim 1 for computer casing, it is characterised in that: the cotton fiber is by as follows
Method is modified: coupling agent being diluted with water to the coupling agent aqueous solution of 0.9-3.2wt%, is 3-4 with salt acid for adjusting pH value, by cotton
Fiber is immersed in 1.5-3h in the coupling agent aqueous solution, takes out drying, obtains modified cotton fiber.
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| CN201710563636.0A CN107283977B (en) | 2017-07-12 | 2017-07-12 | A kind of composite material for computer casing |
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| CN108752957A (en) * | 2018-05-17 | 2018-11-06 | 合肥民众亿兴软件开发有限公司 | A kind of plant fiber reinforcing material and preparation method thereof for computer casing |
| CN110698682B (en) * | 2019-09-27 | 2022-02-22 | 武汉华星光电半导体显示技术有限公司 | Polyimide composite material, preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2655316Y (en) * | 2003-09-23 | 2004-11-10 | 埔丰实业股份有限公司 | Notebook computer casing |
| CN101256426B (en) * | 2007-02-28 | 2011-11-09 | 群达塑胶电子（深圳）有限公司 | Notebook computer casing injection shaping method |
| WO2013043566A2 (en) * | 2011-09-20 | 2013-03-28 | Ticona Llc | Overmolded composite structure for an electronic device |
| CN103121319B (en) * | 2011-11-21 | 2016-05-04 | 汉达精密电子(昆山)有限公司 | The preparation method of computer casing |
| WO2016005942A1 (en) * | 2014-07-09 | 2016-01-14 | Sabic Global Technologies B.V. | Thinwall composites for electronic enclosures and other devices |
| CN105644062B (en) * | 2014-12-03 | 2018-09-07 | 比亚迪股份有限公司 | Composite material and shell for mobile terminal and preparation method thereof and mobile terminal |
| CN105425914A (en) * | 2015-10-30 | 2016-03-23 | 苏州天擎电子通讯有限公司 | High-performance degradable plastic for notebook computer housing |
| CN105425913A (en) * | 2015-10-30 | 2016-03-23 | 苏州天擎电子通讯有限公司 | Thermoplastic resin composite material for notebook computer housing |
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