CN107892773A - A kind of weather-proof heat conduction PP PE PET composite materials and preparation method thereof - Google Patents

A kind of weather-proof heat conduction PP PE PET composite materials and preparation method thereof Download PDF

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Publication number
CN107892773A
CN107892773A CN201711194047.6A CN201711194047A CN107892773A CN 107892773 A CN107892773 A CN 107892773A CN 201711194047 A CN201711194047 A CN 201711194047A CN 107892773 A CN107892773 A CN 107892773A
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China
Prior art keywords
weather
heat conduction
proof heat
mgo
pet
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Pending
Application number
CN201711194047.6A
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Chinese (zh)
Inventor
陈浪
皮正亮
葛嘉宝
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Guangdong Vlin Plastics Engineering Ltd By Share Ltd
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Guangdong Vlin Plastics Engineering Ltd By Share Ltd
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Priority to CN201711194047.6A priority Critical patent/CN107892773A/en
Publication of CN107892773A publication Critical patent/CN107892773A/en
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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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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  • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses a kind of weather-proof heat conduction PP PE PET composite materials and preparation method thereof, its drip irrigation device is：It is composed of the following components by weight percentage：PP resins 26~44.5%, PE resins 5~10%, PET resin 8~15%, compatilizer 3~6%, thermal conducting agent system 30~50%, light stabilizer 0.5~1.5%, other auxiliary agents 0.5~2.5%.A kind of weather-proof heat conduction PP PE PET composite materials of the present invention, meet new technical requirements, have good weather-proof thermal conductivity.

Description

A kind of weather-proof heat conduction PP-PE-PET composites and preparation method thereof
【Technical field】
The present invention relates to technical field of macromolecules, and in particular in a kind of weather-proof heat conduction PP-PE-PET composites and its Preparation method.
【Background technology】
At present, plastics are wider in the field application such as electronic component, LED illumination, radiator, integrated circuit.But these Element can produce substantial amounts of heat when operating, if these heat transfers being gone out not in time, the life-span of component will be big It is big to shorten.But the heat conductivility of plastics is considered as relatively low always, its thermal conductivity factor is between 0.1~0.5W/mK.So compel Be essential the high heat conduction polymer composite of high comprehensive performance to be prepared.
【The content of the invention】
A kind of weather-proof heat conduction PP-PE-PET composites of the present invention, meet new technical requirements, have well weather-proof Thermal conductivity.
Another object of the present invention is to provide a kind of preparation method of weather-proof heat conduction PP-PE-PET composites.
The present invention is achieved by the following technical solutions：
A kind of weather-proof heat conduction PP-PE-PET composites, it is composed of the following components by weight percentage：
Preferably, described PP resins are HOPP, isotacticity >=98%, in 230 DEG C, 2.16kg loading condictions Under, 5~60g/10min of melt index.
Preferably, described compatilizer is PP-g-MAH and POE-g-MAH at least one.
Preferably, described thermal conducting agent system is different meshes coupling agent modified MgO and/or coupling agent modified Al2O3Group Compound.
Preferably, described MgO has two kinds, and one of which MgO (A) mesh number is 200~800 mesh, another MgO (B) Mesh number be 3000~8000 mesh.
Preferably, described Al2O3There are two kinds, one of which Al2O3(A) mesh number is 200~800 mesh, another Al2O3 (B) mesh number is 3000~8000 mesh.
Preferably, calculated by mass, described composition is：
Modified MgO (A)：Modified Mg O (B)=1：0.5~2 or
Modification on Al2O3(A)：Modified MgO (B)=1：0.5~2.
Preferably, described light stabilizer is the mixture of hindered amine light stabilizer and ultraviolet absorber.
Preferably, described other auxiliary agents are nucleator, antioxidant, lubricant, White Mineral Oil.
A kind of preparation method of weather-proof heat conduction PP-PE-PET composites, comprises the following steps：
(1) surface modification treatment of heat filling：MgO is placed at 105 ± 5 DEG C and dried 3 hours, control moisture is 0.1% Below；Appropriate MgO is taken to pour into high mixer, the 1% coupling agent spraying for then weighing MgO mass adds, heating stirring 20min, it is placed at 105 ± 5 DEG C and dries 4 hours after taking-up, be sealed standby；Or by Al2O3It is placed at 105 ± 5 DEG C and dries 3 hours, Moisture is controlled below 0.1%；Take appropriate Al2O3High mixer is poured into, then weighs Al2O3The 1% coupling agent spraying of quality Add, heating stirring 20min, be placed at 105 ± 5 DEG C and dry 4 hours after taking-up, be sealed standby；
(2) material mixes：PP, PE, PET, compatilizer, thermal conducting agent system, light stabilizer, other auxiliary agents are added mixed at a high speed Mixed 2 minutes in material machine, be sufficiently stirred each component and be uniformly dispersed；
(3) melting extrusion：The material mixed is added in double screw extruder, processing technology is：One area's temperature 245 ± 5 DEG C, two 250 ± 5 DEG C of area's temperature, three 260 ± 5 DEG C of area's temperature, four 245 ± 5 DEG C of area's temperature, five 240 ± 5 DEG C of area's temperature, head 250 ± 5 DEG C of temperature, screw host rotating speed are 350~400 revs/min；
(4) it is granulated and post-processes：The material of extrusion is cooled down, air-dried, pelletizing, is packaged to be finished product.
Compared with prior art, the invention has the advantages that：
A kind of weather-proof heat conduction PP-PE-PET composites of the present invention, heat conduction system are led for the difference of two kinds of different-grain diameters Hot filler compounding forms, and is more beneficial for the formation of thermal conductive network；Nucleator is added, is advantageous to the raising of material crystalline quality, it is right Heat conduction and heat radiation has positive influences, in addition because the addition of light stabilizer imparts the excellent weather resistance of material, disclosure satisfy that new The market demand；
A kind of preparation method of scratch-resistant HI high impact dumb light oil resistant and weatherproof ABS-PA-PMMA alloy materials of the present invention, While imparting material excellent weather resistance, also give its excellent heat conduction and heat radiation performance, the modulus of material, intensity, The excellent combination properties such as less dimensional contraction, the new market demand is disclosure satisfy that, particularly LED shell and electronics out of doors Use on the fields such as radiator.
【Embodiment】
In conjunction with the embodiments 1~6 and comparative example 1 to the present invention a kind of weather-proof heat conduction PP-PE-PET composites preparation Method is described further：
Table 1：Raw material and auxiliary agent are by weight percentage
The preparation method of comparative example 1 comprises the following steps：
Load weighted PP, PE, PET, compatilizer and other auxiliary agents are added in high speed mixer by table 1 and mixed 2 minutes, It is sufficiently stirred each component to be uniformly dispersed, then adds the material mixed in double screw extruder, processing technology is：One area 245 ± 5 DEG C of temperature, two 250 ± 5 DEG C of area's temperature, three 260 ± 5 DEG C of area's temperature, four 245 ± 5 DEG C of area's temperature, five area's temperature 240 ± 5 DEG C, 250 ± 5 DEG C of head temperature, screw host rotating speed is 350~400 revs/min.
The preparation method of embodiment 1~6 comprises the following steps：
First by MgO (or Al2O3) be respectively placed at 105 ± 5 DEG C and dry 3 hours, control moisture is below 0.1%；And weigh MgO (or Al2O3) the 1% coupling agent spraying of quality adds, heating stirring 20min, be placed in after taking-up at 105 ± 5 DEG C dry it is 4 small When, it is sealed standby；
By load weighted PP, PE, PET, compatilizer and other auxiliary agents, thermal conducting agent system, light stabilizer and other helped by table 1 Agent is added in high speed mixer and mixed 2 minutes, is sufficiently stirred each component and is uniformly dispersed.Then the material mixed is added In double screw extruder, processing technology is：One 245 ± 5 DEG C of area's temperature, two 250 ± 5 DEG C of area's temperature, three 260 ± 5 DEG C of area's temperature, Four 245 ± 5 DEG C of area's temperature, five 240 ± 5 DEG C of area's temperature, 250 ± 5 DEG C of head temperature, screw host rotating speed be 350~400 turns/ Point.
Performance test, test are carried out to the weather-proof heat conduction PP/PE/PET composites of comparative example 1 and the gained of embodiment 1~6 As a result it is as shown in table 2：
The comparative example 1 of table 2 and the performance test results of embodiment 1~6
Compared with comparative example, it is excellent weather-proof that weather-proof heat conduction PP/PE/PET composites produced by the present invention impart its While performance, its excellent heat conduction and heat radiation performance is also gived.In addition, the modulus of this material, intensity, less dimensional contraction Deng excellent combination property, the new market demand is disclosure satisfy that, particularly out of doors on the field such as LED shell and electronic heat sink Use.
In summary, presently preferred embodiments of the present invention, any modification made within the spirit and principles of the invention, Equivalent substitution and improvement etc., should be included in the scope of the protection.

Claims (10)

1. a kind of weather-proof heat conduction PP-PE-PET composites, it is characterised in that composed of the following components by weight percentage：
A kind of 2. weather-proof heat conduction PP-PE-PET composites according to claim 1, it is characterised in that：Described PP trees Fat is HOPP, isotacticity >=98%, under 230 DEG C, 2.16kg loading condictions, 5~60g/10min of melt index.
A kind of 3. weather-proof heat conduction PP-PE-PET composites according to claim 1, it is characterised in that：Described is compatible Agent is PP-g-MAH and POE-g-MAH at least one.
A kind of 4. weather-proof heat conduction PP-PE-PET composites according to claim 1, it is characterised in that：Described heat conduction Agent system is different meshes coupling agent modified MgO and/or coupling agent modified Al2O3Composition.
A kind of 5. weather-proof heat conduction PP-PE-PET composites according to claim 4, it is characterised in that：Described MgO has Two kinds, one of which MgO (A) mesh number is 200~800 mesh, and the mesh number of another MgO (B) is 3000~8000 mesh.
A kind of 6. weather-proof heat conduction PP-PE-PET composites according to claim 4, it is characterised in that：Described Al2O3 There are two kinds, one of which Al2O3(A) mesh number is 200~800 mesh, another Al2O3(B) mesh number is 3000~8000 mesh.
A kind of 7. weather-proof heat conduction PP-PE-PET composites according to claim 4, it is characterised in that：It is calculated by mass, Described composition is：
Modified MgO (A)：Modified Mg O (B)=1：0.5~2 or
Modification on Al2O3(A)：Modification on Al2O3(B)=1：0.5~2.
A kind of 8. weather-proof heat conduction PP-PE-PET composites according to claim 1, it is characterised in that：Described light is steady Agent is determined for hindered amine light stabilizer and the mixture of ultraviolet absorber.
A kind of 9. weather-proof heat conduction PP-PE-PET composites according to claim 1, it is characterised in that：Described is other Auxiliary agent is nucleator, antioxidant, lubricant, White Mineral Oil.
10. a kind of preparation method of weather-proof heat conduction PP-PE-PET composites, it is characterised in that comprise the following steps：
(1) surface modification treatment of heat filling：MgO is placed at 105 ± 5 DEG C and dried 3 hours, control moisture is below 0.1%； Appropriate MgO is taken to pour into high mixer, the 1% coupling agent spraying for then weighing MgO mass adds, and heating stirring 20min, takes out After be placed at 105 ± 5 DEG C and dry 4 hours, be sealed standby；Or by Al2O3It is placed at 105 ± 5 DEG C and dries 3 hours, control moisture exists Less than 0.1%；Take appropriate Al2O3High mixer is poured into, then weighs Al2O3The 1% coupling agent spraying of quality adds, heating 20min is stirred, is placed at 105 ± 5 DEG C and dries 4 hours after taking-up, be sealed standby；
(2) material mixes：PP, PE, PET, compatilizer, thermal conducting agent system, light stabilizer, other auxiliary agents are added into high speed mixer Middle mixing 2 minutes, is sufficiently stirred each component and is uniformly dispersed；
(3) melting extrusion：The material mixed is added in double screw extruder, processing technology is：One 245 ± 5 DEG C of area's temperature, Two 250 ± 5 DEG C of area's temperature, three 260 ± 5 DEG C of area's temperature, four 245 ± 5 DEG C of area's temperature, five 240 ± 5 DEG C of area's temperature, head temperature 250 ± 5 DEG C, screw host rotating speed is 350~400 revs/min；
(4) it is granulated and post-processes：The material of extrusion is cooled down, air-dried, pelletizing, is packaged to be finished product.
CN201711194047.6A 2017-11-24 2017-11-24 A kind of weather-proof heat conduction PP PE PET composite materials and preparation method thereof Pending CN107892773A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775860A (en) * 2005-11-25 2006-05-24 华南理工大学 Injection moulded heat-conductive insulated plastics
CN101899209A (en) * 2010-03-30 2010-12-01 金发科技股份有限公司 Heat conductive insulation material and preparation method thereof
CN102079864A (en) * 2009-11-30 2011-06-01 比亚迪股份有限公司 Insulating heat-conducting resin composition and plastic product thereof
CN102719099A (en) * 2012-06-08 2012-10-10 金发科技股份有限公司 Thermal conductive molding compound and preparation method thereof
CN102807706A (en) * 2012-07-27 2012-12-05 深圳市科聚新材料有限公司 Polypropylene composite material and preparation method thereof
CN102977603A (en) * 2012-08-23 2013-03-20 广东威林工程塑料有限公司 High temperature resistance high heat conduction PPS/PPO alloy and preparation method thereof
CN103044778A (en) * 2012-12-31 2013-04-17 广东高怡新工程塑料有限公司 High-thermal-conductivity PP (polypropylene)-based composite material and preparation method thereof
CN103087415A (en) * 2013-01-31 2013-05-08 合肥工业大学 Thermally conductive and insulating composite material and preparation method thereof
CN103275396A (en) * 2013-06-19 2013-09-04 福建和盛塑业有限公司 Special material for heat conducting and insulating power cable protective casing, and production technology thereof
CN105086155A (en) * 2015-09-07 2015-11-25 东莞市宝临塑胶有限公司 Thermally conductive polypropylene-based composite material and preparation method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775860A (en) * 2005-11-25 2006-05-24 华南理工大学 Injection moulded heat-conductive insulated plastics
CN102079864A (en) * 2009-11-30 2011-06-01 比亚迪股份有限公司 Insulating heat-conducting resin composition and plastic product thereof
CN101899209A (en) * 2010-03-30 2010-12-01 金发科技股份有限公司 Heat conductive insulation material and preparation method thereof
CN102719099A (en) * 2012-06-08 2012-10-10 金发科技股份有限公司 Thermal conductive molding compound and preparation method thereof
CN102807706A (en) * 2012-07-27 2012-12-05 深圳市科聚新材料有限公司 Polypropylene composite material and preparation method thereof
CN102977603A (en) * 2012-08-23 2013-03-20 广东威林工程塑料有限公司 High temperature resistance high heat conduction PPS/PPO alloy and preparation method thereof
CN103044778A (en) * 2012-12-31 2013-04-17 广东高怡新工程塑料有限公司 High-thermal-conductivity PP (polypropylene)-based composite material and preparation method thereof
CN103087415A (en) * 2013-01-31 2013-05-08 合肥工业大学 Thermally conductive and insulating composite material and preparation method thereof
CN103275396A (en) * 2013-06-19 2013-09-04 福建和盛塑业有限公司 Special material for heat conducting and insulating power cable protective casing, and production technology thereof
CN105086155A (en) * 2015-09-07 2015-11-25 东莞市宝临塑胶有限公司 Thermally conductive polypropylene-based composite material and preparation method thereof

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