CN107163489A - A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof - Google Patents
A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof Download PDFInfo
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- CN107163489A CN107163489A CN201710444277.7A CN201710444277A CN107163489A CN 107163489 A CN107163489 A CN 107163489A CN 201710444277 A CN201710444277 A CN 201710444277A CN 107163489 A CN107163489 A CN 107163489A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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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
- C08L2312/00—Crosslinking
Abstract
The invention discloses a kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof, basic recipe and weight ratio composition are：20 30 parts of PC, 25 35 parts of ABS, 8 14 parts of rubber powder of waste tire end, 5 10 parts of polyfunctional group chain extender, 4 12 parts of rare earth thermal conducting agent, 8 16 parts of coupling agent, 15 25 parts of modified fibre, 15 parts of composite antioxidant, 26 parts of lubricant.The preparation method is that the material after will be well mixed is sent into double screw extruder loading hopper, through twin-screw extrusion, granulation.PC/ABS plastics produced by the present invention, mechanical strength is high, thermal conductivity is good, excellent shock resistance, it is adaptable to the field such as household electrical appliance, automotive trim.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of high intensity high heat conduction PC/ABS plastics and its system
Preparation Method.
Background technology
Makrolon（PC）With ABS alloy, due to combining PC splendid toughness and the excellent processabilities of ABS
Can, it is possessed low warpage, low-shrinkage and dimensional stability, in impact strength, flexibility, rigidity, heat resistance and processing
There is good mechanical performance in terms of temperature range.In recent years, PC and ABS alloys are developed rapidly, are further excellent
Change its mechanical performance, industrially, be blended with makrolon and ABS alloys with other compounds, with suitable for different production necks
Domain.
But PC/ABS plastic applications are when the fields such as household electrical appliances, Communication Equipment, and the heat produced when often being worked because of equipment is not
It can export and be diffused into environment in time, so as to cause the problems such as reduction of equipment operating efficiency, service life are reduced, therefore open
The PC/ABS plastics for sending out high heat conduction have a extensive future.
However, high heat conduction PC/ABS plastics generally existing mechanical strengths in the market are poor, shock resistance is bad, though
So there is heat conduction function, but the big of thermal conducting agent addition, heat-conducting effect are poor, limit PC/ABS plastics to a certain extent should
With.
The content of the invention
Present invention aims to overcome that defect of the prior art is there is provided a kind of high intensity high heat conduction PC/ABS plastics, its
Mechanical strength is high, thermal conductivity is good, excellent shock resistance.
Meanwhile, present invention also offers a kind of preparation method of high intensity high heat conduction PC/ABS plastics.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：20-30 parts of PC, 25-35 parts of ABS,
8-14 parts of rubber powder of waste tire end, 5-10 parts of polyfunctional group chain extender, 4-12 parts of rare earth thermal conducting agent, 8-16 parts of coupling agent, change
15-25 parts of fiber of property, 1-5 parts of composite antioxidant, 2-6 parts of lubricant.
It is preferred that, the mesh number at the rubber powder of waste tire end is 1000-3000 mesh.
It is preferred that, the polyfunctional group chain extender is in superbrnaching end-hydroxy polyesteramide, superbrnaching end-hydroxy polyester
It is at least one.
It is preferred that, the rare earth thermal conducting agent is at least one of lanthana, cerium oxide.
It is preferred that, the coupling agent is rare-earth coupling agent.
It is preferred that, the modified fibre is coupling agent modified carbon fiber.
It is preferred that, the composite antioxidant is that antioxidant 1010 and auxiliary antioxidant 168 press 1:1 compounding is formed.
It is preferred that, the lubricant is at least one of PE waxes, PP waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 20 ~ 30min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 180-210 DEG C, and two area's temperature are 210-230 DEG C, and three area's temperature are 230-250 DEG C, four area's temperature
Spend for 200-220 DEG C, die head temperature is controlled between 160-180 DEG C, screw speed is 200~600 revs/min.
Beneficial effects of the present invention：
Compared with prior art, the high intensity high heat conduction PC/ABS plastics that prepared by the present invention, add polyfunctional group chain extender, its
The hydroxyl of structure end can react with the unsaturated double-bond in PC/ABS structures, make material formation cross-linked network,
So as to improve the mechanical strength of material.Rare earth oxide is added as thermal conducting agent, the heat conductivility of material is improved.Add
Rubber powder of waste tire end, improves the shock resistance of material.Coupling agent modified carbon fiber is added, is further increased
The mechanical strength of material.High intensity high heat conduction PC/ABS plastics produced by the present invention, its mechanical strength is high, thermal conductivity is good, anti-impact
Hit excellent performance, it is adaptable to the field such as household electrical appliance, automotive trim.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：20 parts of PC, 25 parts of ABS, waste and old wheel
8 parts of tire rubber powder, 5 parts of superbrnaching end-hydroxy polyesteramide, 4 parts of lanthana, 8 parts of rare-earth coupling agent, coupling agent modified carbon are fine
15 parts of dimension, 1 part of composite antioxidant, 2 parts of PE waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 20min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 180 DEG C, and two area's temperature are 210 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 220 DEG C, mould
Head temperature control is between 160 DEG C, and screw speed is 200 revs/min.
Embodiment 2
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：30 parts of PC, 35 parts of ABS, waste and old wheel
14 parts of tire rubber powder, 10 parts of superbrnaching end-hydroxy polyester, 12 parts of cerium oxide, 16 parts of rare-earth coupling agent, coupling agent modified carbon are fine
25 parts of dimension, 5 parts of composite antioxidant, 6 parts of PP waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 30min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 210 DEG C, and two area's temperature are 230 DEG C, and three area's temperature are 250 DEG C, and four area's temperature are 200 DEG C, mould
Head temperature control is between 180 DEG C, and screw speed is 600 revs/min.
Embodiment 3
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：25 parts of PC, 30 parts of ABS, waste and old wheel
11 parts of tire rubber powder, 8 parts of superbrnaching end-hydroxy polyesteramide, 8 parts of cerium oxide, 12 parts of rare-earth coupling agent, coupling agent modified carbon
20 parts of fiber, 3 parts of composite antioxidant, 4 parts of PP waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 25min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 195 DEG C, and two area's temperature are 220 DEG C, and three area's temperature are 240 DEG C, and four area's temperature are 210 DEG C, mould
Head temperature control is between 170 DEG C, and screw speed is 400 revs/min.
Embodiment 4
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：22 parts of PC, 27 parts of ABS, waste and old wheel
10 parts of tire rubber powder, 6 parts of superbrnaching end-hydroxy polyester, 7 parts of lanthana, 12 parts of rare-earth coupling agent, coupling agent modified carbon fiber
17 parts, 2 parts of composite antioxidant, 3 parts of PE waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 20min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 185 DEG C, and two area's temperature are 215 DEG C, and three area's temperature are 235 DEG C, and four area's temperature are 205 DEG C, mould
Head temperature control is between 165 DEG C, and screw speed is 300 revs/min.
Embodiment 5
A kind of high intensity high heat conduction PC/ABS plastics, basic recipe and weight ratio composition are：28 parts of PC, 33 parts of ABS, waste and old wheel
12 parts of tire rubber powder, 9 parts of superbrnaching end-hydroxy polyester, 10 parts of lanthana, 14 parts of rare-earth coupling agent, coupling agent modified carbon
23 parts of fiber, 4 parts of composite antioxidant, 5 parts of PP waxes.
Above-mentioned high intensity high heat conduction PC/ABS plastics, the processing step that it is prepared is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 30min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 205 DEG C, and two area's temperature are 225 DEG C, and three area's temperature are 245 DEG C, and four area's temperature are 215 DEG C, mould
Head temperature control is between 175 DEG C, and screw speed is 500 revs/min.
Comparative example 1
As different from Example 1, process is not added with rubber powder of waste tire end, and other conditions are constant.
Comparative example 2
As different from Example 1, process is not added with superbrnaching end-hydroxy polyesteramide, and other conditions are constant.
Comparative example 3
As different from Example 1, process is not added with lanthana, and other conditions are constant.
Comparative example 4
As different from Example 1, process is not added with rare-earth coupling agent, and other conditions are constant.
Comparative example 5
As different from Example 1, process is not added with coupling agent modified carbon fiber, and other conditions are constant.
Performance test
Test result is shown in Table 1：
Table 1
From table 1 it follows that comparative example 1-5 and comparative example 1-5, embodiment 1-5 tensile strength, notch impact strength
It is significantly improved with elongation at break, heat conductivility improves.Illustrate from data above, high intensity high heat conduction prepared by the present invention
PC/ABS plastics, the characteristics of with mechanical strength height, good thermal conductivity, excellent shock resistance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of high intensity high heat conduction PC/ABS plastics, it is characterised in that basic recipe and weight ratio composition are：PC 20-30
Part, 25-35 parts of ABS, 8-14 parts of rubber powder of waste tire end, 5-10 parts of polyfunctional group chain extender, 4-12 parts of rare earth thermal conducting agent,
8-16 parts of coupling agent, 15-25 parts of modified fibre, 1-5 parts of composite antioxidant, 2-6 parts of lubricant.
2. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The rubber powder of waste tire
The mesh number at end is 1000-3000 mesh.
3. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The polyfunctional group chain extender
For at least one of superbrnaching end-hydroxy polyesteramide, superbrnaching end-hydroxy polyester.
4. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The rare earth thermal conducting agent is oxygen
Change at least one of lanthanum, cerium oxide.
5. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The coupling agent is that rare earth is even
Join agent.
6. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The modified fibre is coupling
Agent modified carbon fiber.
7. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The composite antioxidant is anti-
Oxygen agent 1010 and auxiliary antioxidant 168 press 1:1 compounding is formed.
8. high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterised in that：The lubricant be PE waxes,
At least one of PP waxes.
9. the preparation method of high intensity high heat conduction PC/ABS plastics according to claim 1, it is characterized in that the technique prepared
Step is as follows：
（1）The raw material weighed by weight ratio in formula adds high mixer, stirs 20 ~ 30min, is well mixed；
（2）By step（1）In the raw material that mixes put into the loading hopper of double screw extruder, through melting extrusion, granulation；Plus
Work technique is as follows：One area's temperature is 180-210 DEG C, and two area's temperature are 210-230 DEG C, and three area's temperature are 230-250 DEG C, four area's temperature
Spend for 200-220 DEG C, die head temperature is controlled between 160-180 DEG C, screw speed is 200~600 revs/min.
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| CN201710444277.7A CN107163489A (en) | 2017-06-13 | 2017-06-13 | A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof |
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| CN201710444277.7A CN107163489A (en) | 2017-06-13 | 2017-06-13 | A kind of high intensity high heat conduction PC/ABS plastics and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304924A (en) * | 2022-09-29 | 2022-11-08 | 北京泰派斯特科技发展有限公司 | Aluminum-silver-plated fluorosilicone conductive rubber composition, aluminum-silver-plated fluorosilicone conductive rubber, and preparation method and application thereof |
| CN115418094B (en) * | 2022-09-26 | 2023-09-19 | 万华化学（宁波）有限公司 | Polycarbonate resin composition with aesthetic effect and preparation method thereof |
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|---|---|---|---|---|
| CN1405200A (en) * | 2002-11-07 | 2003-03-26 | 上海交通大学 | Terminal hydroxy superbranched polyester |
| CN102604358A (en) * | 2012-03-19 | 2012-07-25 | 深圳市科聚新材料有限公司 | Thermal-conductive antistatic PC/ABS (polycarbonate/acrylonitrile butadiene styrene) material and preparation method thereof |
| CN105017704A (en) * | 2015-06-29 | 2015-11-04 | 苏州荣昌复合材料有限公司 | Plastic toughening modification method |
-
2017
- 2017-06-13 CN CN201710444277.7A patent/CN107163489A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405200A (en) * | 2002-11-07 | 2003-03-26 | 上海交通大学 | Terminal hydroxy superbranched polyester |
| CN102604358A (en) * | 2012-03-19 | 2012-07-25 | 深圳市科聚新材料有限公司 | Thermal-conductive antistatic PC/ABS (polycarbonate/acrylonitrile butadiene styrene) material and preparation method thereof |
| CN105017704A (en) * | 2015-06-29 | 2015-11-04 | 苏州荣昌复合材料有限公司 | Plastic toughening modification method |
Non-Patent Citations (1)
| Title |
|---|
| 白晓艳: "《PVC木塑复合材料》", 30 April 2014, 北京交通大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418094B (en) * | 2022-09-26 | 2023-09-19 | 万华化学（宁波）有限公司 | Polycarbonate resin composition with aesthetic effect and preparation method thereof |
| CN115304924A (en) * | 2022-09-29 | 2022-11-08 | 北京泰派斯特科技发展有限公司 | Aluminum-silver-plated fluorosilicone conductive rubber composition, aluminum-silver-plated fluorosilicone conductive rubber, and preparation method and application thereof |
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Application publication date: 20170915 |