CN106700507A - Radiation-resistant heat-conducting heat-dissipation nylon and preparation method thereof - Google Patents
Radiation-resistant heat-conducting heat-dissipation nylon and preparation method thereof Download PDFInfo
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- CN106700507A CN106700507A CN201611077812.1A CN201611077812A CN106700507A CN 106700507 A CN106700507 A CN 106700507A CN 201611077812 A CN201611077812 A CN 201611077812A CN 106700507 A CN106700507 A CN 106700507A
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- nylon
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- heat conduction
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
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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
- C08K3/34—Silicon-containing compounds
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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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
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a radiation-resistant heat-conducting heat-dissipation nylon which is composed of the following components in parts by weight: 40-80 parts of nylon, 10-30 parts of nano silicon carbide, 10-30 parts of aluminum magnesium spinel fine powder, 0.1-1.0 part of antioxidant and 0.2-1.0 part of lubricant. In the nylon modification process, the nano silicon carbide and aluminum magnesium spinel fine powder are added to greatly enhance the heat-conducting property of the overall nylon material; and the two materials have favorable synergistic actions, thereby further enhancing the heat-conducting property of the overall material.
Description
Technical field
The present invention relates to a kind of macromolecular material, more particularly to a kind of radiation proof heat conduction and heat radiation nylon and its system
Preparation Method.
Background technology
Polyamide is commonly called as nylon (Nylon), English name Polyamide, and it is contained in macromolecular main chain repeat unit
The general name of the high polymer of amide group.Polyamide can be obtained by interior acid amide ring-opening polymerisation, also can be by diamine and binary acid polycondensation
Etc. what is obtained.It is resin that DuPont is developed for fiber at first, realizes industrializing in nineteen thirty-nine.50 years 20th century
In generation, starts to develop and produce injection-molded item, and the lightweight of downstream industry product, the requirement of reduces cost are met with substituted metal.PA has
There are good combination property, including mechanical property, heat resistance, wear resistance, chemical proofing and self lubricity, and friction system
Number is low, has certain anti-flammability, it is easy to process, and is suitable to glass fibre and other filler filling enhancing modifieds, improve performance and
Expand range of application.PA's is various in style, there is PA6, PA66, PAll, PAl2, PA46, PA610, PA612, PAl010 etc., and
The new varieties such as the semi-aromatic nylon PA6T for developing in recent years and extraordinary nylon.
And in the prior art nylon as conventional light fixture housing, its heat dispersion is poor, it is therefore desirable to which one kind has
The nylon material of better heat dissipation effect.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of radiation proof heat conduction and heat radiation nylon and its
Preparation method.
To achieve the above object, the invention provides following technical scheme：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
Nylon 40-80 parts
Nanometer silicon carbide 10-30 parts
10-30 parts of aluminum-spinel micro- Fine powder
0.1~1.0 part of antioxidant
0.2~1.0 part of lubricant.
As a further improvement on the present invention：
Also include
Fire-retardant master granule 1-5 parts
Modified activated carbon：5-15 parts
Crosslinking agent：0.5-3 parts.
As a further improvement on the present invention：
The modified activated carbon is made up of following step：
Cocoanut active charcoal is immersed in oxidation in the concentrated sulfuric acid solution of 1mol/L, magnesium oxide/absorbent charcoal is obtained, by oxidation activity
Charcoal is immersed in the dimethyl stearyl chlorosilane of 0.5g/L and the N- aminoethyl -3- aminopropyltriethoxy dimethoxys of 0.5g/L
It is modified in silane, obtains modified activated carbon.
As a further improvement on the present invention：
The crosslinking agent is：Mass ratio is 1:1 Triallyl isocyanurate, cumyl peroxide mixture.
As a further improvement on the present invention：
The antioxidant is copper acetate, cupric iodide, KI, antioxidant 1098, irgasfos 168, antioxidant H10, antioxygen
The mixture of one or more of agent H161.
As a further improvement on the present invention：
The lubricant is the mixture of stearate, Tissuemat E and silicone oil.
As a further improvement on the present invention：
The fire-retardant master granule is constituted including following weight portion：
60~90 parts of silane-modified nano-sized magnesium hydroxide
0~10 part of organic modification montmonrillonite.
As a further improvement on the present invention：
The lubricant is at least one of stearate, Tissuemat E and silicone oil.
A kind of preparation method of radiation proof heat conduction and heat radiation nylon,
Proportionally weigh the micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, fire-retardant master granule, modified work
Property charcoal, crosslinking agent are proportionally weighed, and are added in homogenizer and are mixed, mixture by banbury banburying,
Then extruding pelletization in twin-screw mixer and single screw extrusion machine is added sequentially to, single screw rod is squeezed feed zone, melt zone and touched
Head temperature is followed successively by 135 DEG C, 145 DEG C, 160 DEG C.
In the present invention, during being modified to nylon, by adding the micro- Fine powder of nanometer silicon carbide, aluminum-spinel
The addition at end, can largely improve the heat conductivility of overall nylon material, while both materials have preferably collaboration
Effect, can further improve the heat conductivility of integral material.
Particularly in the selection of fire retardant, not any halogen forms a halogen-free flame retardants truly,
The pollution to environment is reduced, meets the environmental requirement of the developed countries such as European Union.The nylon material of the invention also effect with low cigarette
Really, during it there is fire, the few are burnt to death by naked light, and major part is the thinking in smog, thus fire-retardant
On the basis of, can be safer even if there is fire.
Specific embodiment
Embodiment one：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
40 parts of nylon
20 parts of nanometer silicon carbide
30 parts of the micro- Fine powder of aluminum-spinel
Copper acetate：0.5 part
Odium stearate：0.5 part
Proportionally weigh the micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, lubricant proportionally
Weighed, be added in homogenizer and mixed, then mixture is added sequentially to twin-screw by banbury banburying
Mixing and single screw extrusion machine in extruding pelletization, single screw rod squeezes feed zone, melt zone and temperature of getting to know be followed successively by 135 DEG C, 145
℃、160℃。
Embodiment two：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
60 parts of nylon
30 parts of nanometer silicon carbide
20 parts of the micro- Fine powder of aluminum-spinel
KI：0.1 part
Tissuemat E：0.5 part
Proportionally weigh the micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, lubricant proportionally
Weighed, be added in homogenizer and mixed, then mixture is added sequentially to twin-screw by banbury banburying
Mixing and single screw extrusion machine in extruding pelletization, single screw rod squeezes feed zone, melt zone and temperature of getting to know be followed successively by 135 DEG C, 145
℃、160℃。
Embodiment three：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
0 part of nylon 8
10 parts of nanometer silicon carbide
10 parts of the micro- Fine powder of aluminum-spinel
Antioxidant H10：1 part
Silicone oil：0.5 part
Proportionally weigh the micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, lubricant proportionally
Weighed, be added in homogenizer and mixed, then mixture is added sequentially to twin-screw by banbury banburying
Mixing and single screw extrusion machine in extruding pelletization, single screw rod squeezes feed zone, melt zone and temperature of getting to know be followed successively by 135 DEG C, 145
℃、160℃。
Example IV：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
60 parts of nylon
30 parts of nanometer silicon carbide
20 parts of the micro- Fine powder of aluminum-spinel
KI：0.1 part
Tissuemat E：0.5 part
5 parts of fire-retardant master granule
Modified activated carbon：15 parts
Crosslinking agent：1 part.
The modified activated carbon is made up of following step：
Cocoanut active charcoal is immersed in oxidation in the concentrated sulfuric acid solution of 1mol/L, magnesium oxide/absorbent charcoal is obtained, by oxidation activity
Charcoal is immersed in the dimethyl stearyl chlorosilane of 0.5g/L and the N- aminoethyl -3- aminopropyltriethoxy dimethoxys of 0.5g/L
It is modified in silane, obtains modified activated carbon.
The crosslinking agent is：Mass ratio is 1:1 Triallyl isocyanurate, cumyl peroxide mixture.Press
The micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, lubricant are weighed according to ratio proportionally to be weighed, plus
Enter and mixed in homogenizer, then mixture is added sequentially to twin-screw mixer and single spiral shell by banbury banburying
Extruding pelletization in bar extruder, single screw rod squeezes feed zone, melt zone and temperature of getting to know is followed successively by 135 DEG C, 145 DEG C, 160 DEG C.
Comparative example one：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
40 parts of nylon
30 parts of the micro- Fine powder of aluminum-spinel
Copper acetate：0.5 part
Tissuemat E：0.5 part
The micro- Fine powder of nylon, aluminum-spinel, antioxidant, lubricant is proportionally weighed proportionally to be weighed, plus
Enter and mixed in homogenizer, then mixture is added sequentially to twin-screw mixer and single spiral shell by banbury banburying
Extruding pelletization in bar extruder, single screw rod squeezes feed zone, melt zone and temperature of getting to know is followed successively by 135 DEG C, 145 DEG C, 160 DEG C.
Comparative example two：
A kind of radiation proof heat conduction and heat radiation nylon, including following weight portion composition：
40 parts of nylon
20 parts of nanometer silicon carbide
Copper acetate：0.5 part
Tissuemat E：0.5 part
Proportionally weigh nylon, nanometer silicon carbide, antioxidant, lubricant proportionally to be weighed, be added at a high speed
Mixed in mixer, then mixture is added sequentially to twin-screw mixer and single screw extrusion machine by banbury banburying
Middle extruding pelletization, single screw rod squeezes feed zone, melt zone and temperature of getting to know is followed successively by 135 DEG C, 145 DEG C, 160 DEG C.
Embodiment and comparative example are prepared into the sample of 5cm*5cm, heat transfer test is carried out, thermal conductivity factor is drawn；
Meanwhile, sample is carried out into heat transfer test after 24 hours again in ultra violet lamp respectively, draw thermal conductivity factor.
In the present invention, during being modified to nylon, by adding the micro- Fine powder of nanometer silicon carbide, aluminum-spinel
The addition at end, can largely improve the heat conductivility of overall nylon material, while both materials have preferably collaboration
Effect, can further improve the heat conductivility of integral material.
Simultaneously by fire-retardant master granule, modified activated carbon, the addition of crosslinking agent can be lifted further after a long time use,
Nylon still has preferable heat-conducting effect.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of radiation proof heat conduction and heat radiation nylon, it is characterised in that：Including following weight portion composition：
Nylon 40-80 parts
Nanometer silicon carbide 10-30 parts
10-30 parts of aluminum-spinel micro- Fine powder
0.1~1.0 part of antioxidant
0.2~1.0 part of lubricant.
2. a kind of radiation proof heat conduction and heat radiation nylon according to claim 1, it is characterised in that：
Also include
Fire-retardant master granule 1-5 parts
Modified activated carbon：5-15 parts
Crosslinking agent：0.5-3 parts.
3. a kind of radiation proof heat conduction and heat radiation nylon according to claim 2, it is characterised in that：
The modified activated carbon is made up of following step：
Cocoanut active charcoal is immersed in oxidation in the concentrated sulfuric acid solution of 1mol/L, magnesium oxide/absorbent charcoal is obtained, magnesium oxide/absorbent charcoal is soaked
Enter the N- aminoethyl -3- aminopropyltriethoxy dimethoxysilanes of the dimethyl stearyl chlorosilane and 0.5g/L to 0.5g/L
In be modified, obtain modified activated carbon.
4. a kind of radiation proof heat conduction and heat radiation nylon according to claim 3, it is characterised in that：
The crosslinking agent is：Mass ratio is 1:1 Triallyl isocyanurate, cumyl peroxide mixture.
5. a kind of radiation proof heat conduction and heat radiation nylon according to claim 4, it is characterised in that：The antioxidant is acetic acid
Copper, cupric iodide, KI, antioxidant 1098, irgasfos 168, antioxidant H10, the mixing of one or more of antioxidant H161
Thing.
6. a kind of radiation proof heat conduction and heat radiation nylon according to claim 5, it is characterised in that：The lubricant is stearic acid
The mixture of salt, Tissuemat E and silicone oil.
7. a kind of radiation proof heat conduction and heat radiation nylon according to claim 6, it is characterised in that：Under the fire-retardant master granule includes
Row weight portion is constituted：
60~90 parts of silane-modified nano-sized magnesium hydroxide
0~10 part of organic modification montmonrillonite.
8. a kind of radiation proof heat conduction and heat radiation nylon according to claim 7, it is characterised in that：
The lubricant is at least one of stearate, Tissuemat E and silicone oil.
9. the preparation method of a kind of radiation proof heat conduction and heat radiation nylon as described in claim 1 to 8, it is characterised in that：According to than
Example weigh the micro- Fine powder of nylon, nanometer silicon carbide, aluminum-spinel, antioxidant, fire-retardant master granule, modified activated carbon, crosslinking agent by
Weighed according to ratio, be added in homogenizer and mixed, then mixture is added sequentially to by banbury banburying
Extruding pelletization in twin-screw mixer and single screw extrusion machine, single screw rod squeezes feed zone, melt zone and temperature of getting to know is followed successively by 135
℃、145℃、160℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077812.1A CN106700507A (en) | 2016-11-30 | 2016-11-30 | Radiation-resistant heat-conducting heat-dissipation nylon and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077812.1A CN106700507A (en) | 2016-11-30 | 2016-11-30 | Radiation-resistant heat-conducting heat-dissipation nylon and preparation method thereof |
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| CN106700507A true CN106700507A (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077812.1A Pending CN106700507A (en) | 2016-11-30 | 2016-11-30 | Radiation-resistant heat-conducting heat-dissipation nylon and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102362A (en) * | 2017-12-20 | 2018-06-01 | 贵州省材料产业技术研究院 | A kind of halogen-free flame-retarded heat-conducting plastic alloy and preparation method thereof |
| CN109627752A (en) * | 2018-12-03 | 2019-04-16 | 特塑（大连）高分子材料有限公司 | A kind of high flowing high performance nylon modified material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992635A (en) * | 2014-06-06 | 2014-08-20 | 常州星易迪塑化科技有限公司 | Flame-retardant composite material component with high thermal conductivity and high heat radiation property and preparation method of flame-retardant composite material component |
| CN105131591A (en) * | 2015-07-23 | 2015-12-09 | 合肥凯士新材料贸易有限公司 | Heat-resistant PA10T composite heat-dissipating material used in LED light and preparation method thereof |
-
2016
- 2016-11-30 CN CN201611077812.1A patent/CN106700507A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103992635A (en) * | 2014-06-06 | 2014-08-20 | 常州星易迪塑化科技有限公司 | Flame-retardant composite material component with high thermal conductivity and high heat radiation property and preparation method of flame-retardant composite material component |
| CN105131591A (en) * | 2015-07-23 | 2015-12-09 | 合肥凯士新材料贸易有限公司 | Heat-resistant PA10T composite heat-dissipating material used in LED light and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102362A (en) * | 2017-12-20 | 2018-06-01 | 贵州省材料产业技术研究院 | A kind of halogen-free flame-retarded heat-conducting plastic alloy and preparation method thereof |
| CN109627752A (en) * | 2018-12-03 | 2019-04-16 | 特塑（大连）高分子材料有限公司 | A kind of high flowing high performance nylon modified material |
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Effective date of registration: 20190124 Address after: 330000 No. 269 Hefang West Road, Qingyunpu District, Nanchang City, Jiangxi Province Applicant after: Liu Bingren Address before: 315000 Tianhong Building <15-1> Room 18, Baisha Road Street, Cixi City, Ningbo City, Zhejiang Province Applicant before: Ningbo benevolent new Mstar Technology Ltd |
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Application publication date: 20170524 |