CN109251491A - A kind of preparation method of high heat dissipation charger case - Google Patents
A kind of preparation method of high heat dissipation charger case Download PDFInfo
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- CN109251491A CN109251491A CN201810752252.8A CN201810752252A CN109251491A CN 109251491 A CN109251491 A CN 109251491A CN 201810752252 A CN201810752252 A CN 201810752252A CN 109251491 A CN109251491 A CN 109251491A
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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
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- 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
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of preparation methods of high heat dissipation charger case, include the following steps: gum arabic is soluble in water, acrylamide, isocyanuric acid three-glycidyl ester stirring is added, ammonium persulfate, heating stirring is added to being saturated in inflated with nitrogen, ethanol solution is added, filtering precipitate, washing, is dried to obtain first material；Polyarylate, polypropylene, tributyl 2-acetylcitrate, pine tar, C9 Petropols are stirred to get into second material；Salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent, flax fiber, talcum powder, hard (china) clay, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent are mixed, heating stirring, drying obtain third material；Second material, third material are uniformly mixed, melting extrusion, natural cooling, pelletizing, injection molding obtains high heat dissipation charger case.
Description
Technical field
The present invention relates to charger technologies field more particularly to a kind of preparation methods of high heat dissipation charger case.
Background technique
With the development of science and technology and the raising of the people's material and cultural life level, the requirement to the performance of charger
Also higher and higher.The swift and violent hair of the demand of development and military equipment in particular with space technology, information and microelectronics industry
A large amount of industrial, civilian, portable medical electronic product appearances brought by exhibition, the development and exploitation of electric car, and
The enhancing of environmental protection consciousness, demand of the people to safe and reliable charger is more urgent, this requirement to charger case
It is higher and higher.Charger can generate a large amount of heat while charging at present, if these heat can not timely shed, very may be used
It can cause fire.Therefore for the sheathing material of charger, it is necessary to which what is had is exactly some good heat dissipation effect, improves safety
Property, and charger case material reacts poor in these areas at present.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparation sides of high heat dissipation charger case
Method, heating conduction is good, can quickly conduct the heat generated in charging process and be dispersed into ambient enviroment, thermal coefficient compared with
Height can reach 4.55W/ (mK), while have brilliant mechanical property, tensile strength up to 70.4MPa, toughness compared with
It is good, it is suitable for all kinds of charger cases.
A kind of preparation method of high heat dissipation charger case proposed by the present invention, includes the following steps:
S1, gum arabic is soluble in water, addition acrylamide, isocyanuric acid three-glycidyl ester stirring, inflated with nitrogen
To saturation, ammonium persulfate is added, ethanol solution, filtering precipitate is added in heating stirring, and washing is dried to obtain first material；
S2, polyarylate, polypropylene, tributyl 2-acetylcitrate, pine tar, C9 Petropols are stirred to get into the second object
Material；
S3, by salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent, flax fiber,
Talcum powder, hard (china) clay, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent mixing, heating are stirred
It mixes, drying obtains third material；
S4, second material, third material are uniformly mixed, melting extrusion, natural cooling, pelletizing, injection molding obtains height
Radiate charger case.
Preferably, in S1, gum arabic, water, acrylamide, isocyanuric acid three-glycidyl ester, ammonium persulfate, ethyl alcohol
The weight ratio of solution is 4-8:60-80:4-8:0.2-0.4:0.02-0.04:140-220, ethanol solution concentration 70-
80wt%.
Preferably, in S1, gum arabic is soluble in water, acrylamide is added, isocyanuric acid three-glycidyl ester stirs
2-4h is mixed, inflated with nitrogen is added ammonium persulfate to being saturated, is warming up to 85-95 DEG C of stirring 40-80min, and ethanol solution, filtering is added
Sediment, washing, 65-85 DEG C is dried to obtain first material.
Preferably, in S2, the weight ratio of polyarylate, polypropylene, tributyl 2-acetylcitrate, pine tar, C9 Petropols
For 60-100:60-80:1-2:2-4:1.5-2.5.
Preferably, in S3, salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent, Asia
Flaxen fiber, talcum powder, hard (china) clay, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent weight
Amount is than being 2-4:1-2:0.6-1.4:4-8:2-4:2-4:6-12:6-14:15-25:0.6-1.2:0.8- 1.6:0.4-0.8.
Preferably, in S3, by salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent,
Flax fiber, talcum powder, hard (china) clay, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent are mixed
It closes, is warming up to 70-90 DEG C of stirring 20-50min, 110-120 DEG C of drying obtains third material.
Preferably, in S4, second material, the weight ratio of third material are 140-200:20-30.
Preferably, in S4, second material, third material being uniformly mixed, melting extrusion, extrusion temperature is 210-240 DEG C,
Screw speed is 100-140r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
In S1 of the present invention, ammonium persulfate initiator decompose under heating generate sulfate anion free radical, further with
Gum arabic chain reaction, the ring structure for destroying D-Glucose in gum arabic form active alkoxy, while sulfate radical
Anion can promote the formation of acrylamide and isocyanuric acid three-glycidyl ester free radical, be formed between active group and free radical
Special crosslinking and network structure, promotes tensile strength to enhance；In S2, using polyarylate, polypropylene as major ingredient, acetyl lemon is added
Sour tributyl, pine tar, C9 Petropols compounding, good with the dispersion effect of first material, solidification post-tensioning intensity is high；In S3,
First material cooperates bigcatkin willow acid rare earth complex, ferric citrate, bentonite effect, under the action of silane coupling agent each other
Binding force is strong, forms the bridge formation effect of thermally conductive ingredient, can effectively improve thermal conductivity of the invention, and filling capacity is good, can drop
The additive amount of low major ingredient reduces cost of the present invention.
Heating conduction of the present invention is good, can quickly conduct the heat generated in charging process and be dispersed into ambient enviroment
In, danger of the charger due to damaging device even fire caused by charging heat release excessively is avoided, thermal coefficient is higher, most
Height can reach 4.62W/ (mK), while have brilliant mechanical property, and for tensile strength up to 68.8MPa, toughness is preferable, lead to
Reasonable selection raw material is crossed, compatibility amount is adjusted, is allowed to function admirable, is suitable for all kinds of charger cases.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of high heat dissipation charger case, includes the following steps:
S1,4kg gum arabic is dissolved in 80kg water, addition 4kg acrylamide, 0.4kg isocyanuric acid three shrink sweet
Grease stirs 2h, and inflated with nitrogen is added 0.04kg ammonium persulfate to being saturated, is warming up to 85 DEG C of stirring 80min, and 140kg concentration is added
For 80wt% ethanol solution, filtering precipitate, washing, 65 DEG C are dried to obtain first material；
S2, by 100kg polyarylate, 60kg polypropylene, 2kg tributyl 2-acetylcitrate, 2kg pine tar, 2.5kgC9 petroleum
Resin agitating 10min, mixing speed 1400r/min, obtains second material；
S3, by 2kg salicylic acid rare earth compounding, 2kg ferric citrate, 0.6kg bentonite, 8kg first material, 2kg silicon
Alkane coupling agent, 4kg flax fiber, 6kg talcum powder, 14kg hard (china) clay, 15kg wollastonite in powder, 1.2kg thio-2 acid double ten
Diol ester, 0.8kg antioxidant 1076, the mixing of 0.8kg antistatic agent, are warming up to 70 DEG C of stirring 50min, dry for 110 DEG C and obtain the
3 material；
S4,200kg second material, 20kg third material are uniformly mixed, melting extrusion, extrusion temperature is 240 DEG C, screw rod
Revolving speed is 100r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
Embodiment 2
A kind of preparation method of high heat dissipation charger case, includes the following steps:
S1,8kg gum arabic is dissolved in 60kg water, addition 8kg acrylamide, 0.2kg isocyanuric acid three shrink sweet
Grease stirs 4h, and inflated with nitrogen is added 0.02kg ammonium persulfate to being saturated, is warming up to 95 DEG C of stirring 40min, and 220kg concentration is added
For 70wt% ethanol solution, filtering precipitate, washing, 85 DEG C are dried to obtain first material；
S2, by 60kg polyarylate, 80kg polypropylene, 1kg tributyl 2-acetylcitrate, 4kg pine tar, 1.5kgC9 petroleum
Resin agitating 16min, mixing speed 1000r/min, obtains second material；
S3, by 4kg salicylic acid rare earth compounding, 1kg ferric citrate, 1.4kg bentonite, 4kg first material, 4kg silicon
Alkane coupling agent, 2kg flax fiber, 12kg talcum powder, 6kg hard (china) clay, 25kg wollastonite in powder, 0.6kg thio-2 acid double ten
Diol ester, 1.6kg antioxidant 1076, the mixing of 0.4kg antistatic agent, are warming up to 90 DEG C of stirring 20min, dry for 120 DEG C and obtain the
3 material；
S4,140kg second material, 30kg third material are uniformly mixed, melting extrusion, extrusion temperature is 210 DEG C, screw rod
Revolving speed is 140r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
Embodiment 3
A kind of preparation method of high heat dissipation charger case, includes the following steps:
S1,5kg gum arabic is dissolved in 75kg water, addition 5kg acrylamide, 0.35kg isocyanuric acid three shrink sweet
Grease stirs 2.5h, and inflated with nitrogen is added 0.035kg ammonium persulfate to being saturated, is warming up to 88 DEG C of stirring 70min, and it is dense that 160kg is added
Degree is 77wt% ethanol solution, and filtering precipitate, washing, 70 DEG C are dried to obtain first material；
S2, by 90kg polyarylate, 65kg polypropylene, 1.8kg tributyl 2-acetylcitrate, 2.5kg pine tar, 2.2kgC9
Petropols stir 12min, and mixing speed 1300r/min obtains second material；
S3, by 2.5kg salicylic acid rare earth compounding, 1.8kg ferric citrate, 0.8kg bentonite, 7kg first material,
2.5kg silane coupling agent, 3.5kg flax fiber, 8kg talcum powder, 12kg hard (china) clay, 18kg wollastonite in powder, the thio dipropyl of 1kg
Sour double decylene glycol esters, 1kg antioxidant 1076, the mixing of 0.7kg antistatic agent, are warming up to 75 DEG C of stirring 40min, 112 DEG C dry
To third material；
S4,150kg second material, 28kg third material are uniformly mixed, melting extrusion, extrusion temperature is 220 DEG C, screw rod
Revolving speed is 130r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
Embodiment 4
A kind of preparation method of high heat dissipation charger case, includes the following steps:
S1,7kg gum arabic is dissolved in 65kg water, addition 7kg acrylamide, 0.25kg isocyanuric acid three shrink sweet
Grease stirs 3.5h, and inflated with nitrogen is added 0.025kg ammonium persulfate to being saturated, is warming up to 92 DEG C of stirring 50min, and it is dense that 200kg is added
Degree is 73wt% ethanol solution, and filtering precipitate, washing, 80 DEG C are dried to obtain first material；
S2, by 70kg polyarylate, 75kg polypropylene, 1.2kg tributyl 2-acetylcitrate, 3.5kg pine tar, 1.8kgC9
Petropols stir 14min, and mixing speed 1100r/min obtains second material；
S3, by 3.5kg salicylic acid rare earth compounding, 1.2kg ferric citrate, 1.2kg bentonite, 5kg first material,
3.5kg silane coupling agent, 2.5kg flax fiber, 10kg talcum powder, 8kg hard (china) clay, 22kg wollastonite in powder, 0.8kg thio two
The double decylene glycol esters of propionic acid, 1.4kg antioxidant 1076, the mixing of 0.5kg antistatic agent are warming up to 85 DEG C of stirring 30min, 118 DEG C of bakings
It is dry to obtain third material；
S4,190kg second material, 22kg third material are uniformly mixed, melting extrusion, extrusion temperature is 230 DEG C, screw rod
Revolving speed is 110r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
Embodiment 5
A kind of preparation method of high heat dissipation charger case, includes the following steps:
S1,6kg gum arabic is dissolved in 70kg water, addition 6kg acrylamide, 0.3kg isocyanuric acid three shrink sweet
Grease stirs 3h, and inflated with nitrogen is added 0.03kg ammonium persulfate to being saturated, is warming up to 90 DEG C of stirring 60min, and 180kg concentration is added
For 75wt% ethanol solution, filtering precipitate, washing, 75 DEG C are dried to obtain first material；
S2, by 80kg polyarylate, 70kg polypropylene, 1.5kg tributyl 2-acetylcitrate, 3kg pine tar, 2kgC9 petroleum
Resin agitating 13min, mixing speed 1200r/min, obtains second material；
S3, by 3kg salicylic acid rare earth compounding, 1.5kg ferric citrate, 1kg bentonite, 6kg first material, 3kg silicon
Alkane coupling agent, 3kg flax fiber, 9kg talcum powder, 10kg hard (china) clay, 20kg wollastonite in powder, 0.9kg thio-2 acid double ten
Diol ester, 1.2kg antioxidant 1076, the mixing of 0.6kg antistatic agent, are warming up to 80 DEG C of stirring 35min, dry for 115 DEG C and obtain the
3 material；
S4,170kg second material, 25kg third material are uniformly mixed, melting extrusion, extrusion temperature is 225 DEG C, screw rod
Revolving speed is 120r/min, natural cooling, pelletizing, and injection molding obtains high heat dissipation charger case.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of high heat dissipation charger case, which comprises the steps of:
It is S1, gum arabic is soluble in water, it is added acrylamide, isocyanuric acid three-glycidyl ester stirring, inflated with nitrogen is to full
With, be added ammonium persulfate, heating stirring, be added ethanol solution, filtering precipitate, washing, be dried to obtain first material；
S2, polyarylate, polypropylene, tributyl 2-acetylcitrate, pine tar, C9 Petropols are stirred to get into second material；
S3, by salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent, flax fiber, talcum
Powder, hard (china) clay, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent mixing, heating stirring are dried
It is dry to obtain third material；
S4, second material, third material are uniformly mixed, melting extrusion, natural cooling, pelletizing, injection molding obtains high heat dissipation
Charger case.
2. the preparation method of high heat dissipation charger case according to claim 1, which is characterized in that in S1, gum arabic,
Water, acrylamide, isocyanuric acid three-glycidyl ester, ammonium persulfate, ethanol solution weight ratio be 4-8:60-80:4-8:
0.2-0.4:0.02-0.04:140-220, ethanol solution concentration 70-80wt%.
3. the preparation method of high heat dissipation charger case according to claim 1 or claim 2, which is characterized in that, will be Arabic in S1
Natural gum is soluble in water, and acrylamide, isocyanuric acid three-glycidyl ester stirring 2-4h is added, and over cure is added to being saturated in inflated with nitrogen
Sour ammonium, is warming up to 85-95 DEG C of stirring 40-80min, is added ethanol solution, filtering precipitate, washing, and 65-85 DEG C is dried to obtain the
One material.
4. the preparation method of any one of -3 high heat dissipation charger cases according to claim 1, which is characterized in that in S2, gather
Aromatic ester, polypropylene, tributyl 2-acetylcitrate, pine tar, C9 Petropols weight ratio be 60-100:60-80:1-2:2-4:
1.5-2.5。
5. the preparation method of any one of -4 high heat dissipation charger cases according to claim 1, which is characterized in that in S3, water
Poplar acid rare earth complex, ferric citrate, bentonite, first material, silane coupling agent, flax fiber, talcum powder, hard pottery
Soil, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent weight ratio be 2-4:1-2:0.6-
1.4:4-8:2-4:2-4:6-12:6-14:15-25:0.6-1.2:0.8-1.6:0.4-0.8.
6. the preparation method of any one of -5 high heat dissipation charger cases according to claim 1, which is characterized in that, will in S3
Salicylic acid rare earth compounding, ferric citrate, bentonite, first material, silane coupling agent, flax fiber, talcum powder, hard pottery
Soil, wollastonite in powder, thiodipropionic acid bis-dodecanol ester, antioxidant 1076, antistatic agent mixing, are warming up to 70-90 DEG C of stirring 20-
50min, 110-120 DEG C of drying obtain third material.
7. the preparation method of any one of -6 high heat dissipation charger cases according to claim 1, which is characterized in that in S4, the
Two materials, third material weight ratio be 140-200:20-30.
8. the preparation method of any one of -7 high heat dissipation charger cases according to claim 1, which is characterized in that, will in S4
Second material, third material are uniformly mixed, melting extrusion, and extrusion temperature is 210-240 DEG C, screw speed 100-140r/
Min, natural cooling, pelletizing, injection molding obtain high heat dissipation charger case.
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| CN201810752252.8A CN109251491A (en) | 2018-07-10 | 2018-07-10 | A kind of preparation method of high heat dissipation charger case |
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| CN201810752252.8A CN109251491A (en) | 2018-07-10 | 2018-07-10 | A kind of preparation method of high heat dissipation charger case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000955A (en) * | 2019-04-28 | 2019-07-12 | 苏州博驰新材料有限公司 | A kind of anhydrous cooling granulation process of fiberglass reinforced special engineering plastics |
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| CN102634186A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow wire temperature-resistant polycarbonate composition |
| CN102634172A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow wire temperature-resistant polyester composition |
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|---|---|---|---|---|
| CN1325422A (en) * | 1998-08-31 | 2001-12-05 | 通用电气公司 | Flame retardant resin compositions containing phosphoramides, and method for making same |
| JP2007043458A (en) * | 2005-08-03 | 2007-02-15 | Pioneer Electronic Corp | Speaker device and diaphragm therefor |
| US20110216474A1 (en) * | 2008-04-11 | 2011-09-08 | Dupont Teijin Films U.S. Limited Partnership | Plastic Film Having a High Voltage Breakdown |
| WO2010016696A2 (en) * | 2008-08-08 | 2010-02-11 | 웅진케미칼 주식회사 | Polarizing film containing dichroic dyes and manufacturing method thereof |
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