CN108047677A - A kind of high-wear-resistancehigh-strength high-strength polycarbonate composite material and preparation method thereof - Google Patents
A kind of high-wear-resistancehigh-strength high-strength polycarbonate composite material and preparation method thereof Download PDFInfo
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- CN108047677A CN108047677A CN201711331569.6A CN201711331569A CN108047677A CN 108047677 A CN108047677 A CN 108047677A CN 201711331569 A CN201711331569 A CN 201711331569A CN 108047677 A CN108047677 A CN 108047677A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy 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
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The present invention provides a kind of high-wear-resistancehigh-strength high-strength polycarbonate composite materials and preparation method thereof, the raw material constituent component of composite material mainly includes bisphenol-a polycarbonate, fluoropolymer micro mist wax, glass fibre, solubilizer and flow ability modifying agent, it is sufficiently mixed by first adding in the raw material in addition to glass fibre in mixer, then mixture and glass fibre is added in into extruder blending extrusion and are granulated, pellet is finally added to injection molding machine injection molding.Fluorine micro mist wax grain size of the present invention is smaller, is organic high molecular compound, is readily dispersed in polycarbonate matrix, and keeps preferable compatibility and interface adhesion with matrix resin.Simultaneously, the addition of solubilizer can significantly improve the compatibility of makrolon and glass fibre, fluorine micro mist and glass fibre, so that the composite material being prepared has both good wear-resisting property and mechanical property, can be widely used for making high-wearing feature, high intensity has both the product of preferable toughness reguirements.
Description
Technical field
The invention belongs to speciality polymer Material Fields, and in particular to a kind of high-wear-resistancehigh-strength high-strength makrolon composite wood and
Its preparation method.
Background technology
Makrolon (PC) is a kind of high molecular polymer general name for containing carbonate group (- OROCO -) in strand.
PC is a kind of good engineering plastics, has excellent impact flexibility, the transparency, dimensional stability, electric insulating quality, creep resistance
The advantages that property, weatherability, nontoxicity, and temperature in use is wide, wide adaptability.Due to there is more than advantage, it is widely used in
The fields such as electric, communications and transportation, instrument and meter, architectural engineering, mechanical equipment, electric lighting.Although PC has good
Comprehensive performance, but there is also easy stress cracking, to notch sensitive, wear no resistance and the shortcomings of melt fluidity is poor.Especially
Undesirable melt fluidity brings certain limitation to the processing and forming of product.In addition its price is also higher, belongs among plastics
" noble ", therefore its modification is just particularly important.In order to enable makrolon further in high intensity, high load capacity
Etc. use under harsh conditions, its mechanical strength just must be further improved on the basis of its original good physical, is dropped
Its low coefficient of friction and wear rate, enhance its tensile strength, this just needs that makrolon is modified to realize.
The content of the invention
In view of the deficienciess of the prior art, first purpose of the present invention is to provide a kind of poly- carbonic acid of high-wear-resistancehigh-strength high-strength
Ester composite wood, to overcome the problems, such as that existing makrolon material wear-resisting property and mechanical property are insufficient；Second mesh of the present invention
Be to provide a kind of preparation method of polycarbonate composite material simple for process, production cost is relatively low.
For first purpose of the present invention, high-wear-resistancehigh-strength high-strength polycarbonate composite material provided by the invention, system
The constituent component of standby raw material to include in parts by mass：
In the above-mentioned technical proposal of the present invention, the makrolon preferentially selects bisphenol A polycarbonate.
In the above-mentioned technical proposal of the present invention, the fluoropolymer micro mist wax is preferably selected from but is not limited to：Poly- perfluor
Second propylene micro mist wax, ptfe micropowder wax, polytetrafluoroethylene (PTFE) and polyethylene blended wax, perfluoroethylene and perfluoroethylene-propylene (copolymer)
Copolymer micropowders wax and Kynoar micro mist wax；The average grain diameter priority acccess control of fluoropolymer micro mist wax is at 0.1-10 μm
Scope.
In the above-mentioned technical proposal of the present invention, the glass fibre is preferably selected from but is not limited to roving, be chopped original
Silk and roving glass fiber；Scope of the diameter priority acccess control of glass fibre at 1 μm -50 μm.
In the above-mentioned technical proposal of the present invention, the solubilizer preferentially selects ethylene bis-fatty acid amides.
In the above-mentioned technical proposal of the present invention, the flow ability modifying agent is preferably selected from but is not limited to：Nano mica, nanometer
Silica and basic zirconium phosphate.
For second object of the present invention, the preparation of high-wear-resistancehigh-strength high-strength polycarbonate composite material provided by the invention
Method, composition comprise the following steps：
(1) the raw material makrolon of formula ratio, fluoropolymer micro mist wax, solubilizer and flow ability modifying agent are added to mixed
It is sufficiently mixed in conjunction machine；The mixer is preferably high-speed mixer；
(2) mixture and glass fibre obtained step (1) is added in the hopper of double screw extruder and is coextruded
It is granulated, the pellet of extrusion is returned in the hopper of double screw extruder and is coextruded granulation again, extrusion temperature is
250-300℃；Or
In the hopper for the double screw extruder that the mixture addition that step (1) obtains is designed with glass entrance, by glass
Fiber adds in extruder via glass entrance, carries out coextrusion granulation, and extrusion temperature is 250-300 DEG C；
(3) the pellet addition obtained by step (2) is subjected to injection molding in injection molding machine, forming temperature is 250-310 DEG C.
In the technical solution of the above-mentioned preparation method of the present invention, the double screw extruder is preferentially selected and is designed with 6~9
The extruder of a temperature-controlled area, the injection molding machine are preferentially selected and are designed with 3~6 temperature-controlled area injection molding machines, extruder and
The temperature of each temperature-controlled area of injection molding machine is stepped up from the front to the back, and in middle and back, temperature-controlled area is warming up to highest control temperature
It spends, the increasing extent of temperature between temperature-controlled area is not more than 10 DEG C.
High-wear-resistancehigh-strength high-strength polycarbonate composite material provided by the invention, due to used fluoropolymer micro mist wax
It is organic polymer, its subtle size, good with the compatibility of polycarbonate matrix resin in addition.Meanwhile the addition of solubilizer
Glass fibre and polycarbonate matrix, the compatibility of fluoropolymer micro mist wax are significantly improved, substantially increases the glutinous of interface
Power is tied, so that the composite material being prepared has excellent physical mechanical property, disclosure satisfy that the requirement of engineer application.
Polycarbonate composite material provided by the invention has good intensity height, wearability, self-lubricating, corrosion-and high-temp-resistant
With the excellent properties such as weatherability, can as the material of unique construction part, can be applied to machinery, electronics, engineering etc. have it is special
It is required that field.
Specific embodiment
The embodiment of the present invention is given below, the present invention is described in further detail by embodiment, in order to ability
The technical staff in domain more fully understands the present invention.
In the following embodiments, the parts and percentages of involved raw material constituent component, in addition to special instruction,
For mass fraction or mass percent.
In the following embodiments, wherein tensile strength is tested by GB/T 1040-1992 methods, and impact strength presses GB/
T1843-1994 methods are tested, and coefficient of friction is tested according to 10006 methods of GB/T, and Volume erosion rate is according to 3960 methods of GB/T
Test.
Embodiment 1：
The material quality part of the present embodiment matches：80 parts of makrolon, 10 parts of (average grain diameters of ptfe micropowder wax
5 μm), 2 parts of nano silicon dioxide, 3 parts of solubilizer, 5 parts of woven glass roving fabric.
Preparation method：
(1) raw material makrolon, ptfe micropowder wax, nano silicon dioxide, solubilizer are carried out according to the above ratio
It weighs, and is added to 30 or so minutes of mixing in high-speed mixer；
(2) mixture obtained by step (1) being added in extruder hopper, glass fibre adds in extruder by glass entrance,
Coextrusion granulation is carried out, extrusion temperature is about：One 260 DEG C of area, two 275 DEG C of areas, three 280 DEG C of areas, four 290 DEG C of areas, five areas 290
DEG C, six 290 DEG C of areas, seven 280 DEG C of areas；
(3) by pellet injection molding in injection molding machine obtained by step (2), injection temperature is about：One 270 DEG C of area, 2nd area
2800 DEG C, three 290 DEG C of areas, four 290 DEG C of areas obtain injection batten.
By plastics batten prepared by above-mentioned steps by test, tensile strength 80MPa, bending strength 121.0kJ*m-2, coefficient of friction 0.20, Volume erosion rate 1.07.
Embodiment 2：
The material quality part of the present embodiment matches：65 parts of makrolon, 15 parts of (average grain diameters of ptfe micropowder wax
5 μm), 3 parts of nano mica, 5 parts of solubilizer, 12 parts of woven glass roving fabric.
Preparation method：
(1) raw material makrolon, ptfe micropowder wax, nano mica, solubilizer are weighed according to the above ratio,
And be added in high-speed mixer, mixed for 30 or so minutes；
(2) mixture obtained by step (1) being added in extruder hopper, glass fibre adds in extruder by glass entrance,
Coextrusion granulation is carried out, extrusion temperature is about：One 270 DEG C of area, two 285 DEG C of areas, three 290 DEG C of areas, four 295 DEG C of areas, five areas 295
DEG C, six 295 DEG C of areas, seven 295 DEG C of areas；
(3) by pellet injection molding in injection molding machine obtained by step (2), injection temperature is about：One 280 DEG C of area, 2nd area
290 DEG C, three 300 DEG C of areas, four 300 DEG C of areas obtain injection batten.
By plastics batten prepared by above-mentioned steps by test, tensile strength 104MPa, bending strength 135.0kJ*
m-2, coefficient of friction 0.18, Volume erosion rate 1.01.
Embodiment 3：
The material quality part of the present embodiment matches：58 parts of makrolon, 20 parts of (average grain diameters of ptfe micropowder wax
5 μm), 3 parts of basic zirconium phosphate, 4 parts of solubilizer, 15 parts of woven glass roving fabric.
Preparation method：
(1) raw material makrolon, ptfe micropowder wax, basic zirconium phosphate, solubilizer are weighed according to the above ratio, and
It is added in high-speed mixer, mixed for 30 or so minutes；
(2) mixture obtained by step (1) being added in extruder hopper, glass fibre adds in extruder by glass entrance,
Coextrusion granulation is carried out, extrusion temperature is about：One 270 DEG C of area, two 280 DEG C of areas, three 290 DEG C of areas, four 295 DEG C of areas, five areas 295
DEG C, six 295 DEG C of areas, seven 295 DEG C of areas；
(3) by pellet injection molding in injection molding machine obtained by step (2), injection temperature is about 280 DEG C of an area, 2nd area
290 DEG C, three 295 DEG C of areas, four 295 DEG C of areas obtain injection batten.
By plastics batten prepared by above-mentioned steps by test, tensile strength 119MPa, bending strength 151.0kJ*
m-2, coefficient of friction 0.17, Volume erosion rate 0.98.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using the present invention.
Person skilled in the art obviously can easily make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the invention is not restricted to embodiment here, sheets
Field technology personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be in the present invention
Protection domain within.
Claims (10)
1. a kind of high-wear-resistancehigh-strength high-strength polycarbonate composite material, which is characterized in that prepare the constituent component of raw material with by quality
Part meter includes：
2. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 1, which is characterized in that the makrolon
For bisphenol A polycarbonate.
3. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 1, it is characterised in that：The fluoropolymer
Object micro mist wax is selected from perfluoroethylene-propylene micro mist wax, ptfe micropowder wax, polytetrafluoroethylene (PTFE) and polyethylene blended wax, perfluor
Ethylene and the copolymer micropowders wax of perfluoroethylene-propylene (copolymer) and Kynoar micro mist wax.
4. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 3, which is characterized in that the fluoropolymer
The average grain diameter of object micro mist wax is 0.1-10 μm.
5. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 1, which is characterized in that the glass fibre
Selected from roving, chopped strand and roving glass fiber.
6. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 5, which is characterized in that the glass fibre
A diameter of 1 μm -50 μm.
7. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 1, which is characterized in that the solubilizer is
Ethylene bis-fatty acid amides.
8. high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 1, which is characterized in that the flow modifier
Agent is selected from nano mica, nano silicon dioxide and basic zirconium phosphate.
9. the high-wear-resistancehigh-strength high-strength polycarbonate composite material preparation method described in one of claim 1 to 8, which is characterized in that
Comprise the following steps：
(1) the raw material makrolon of formula rate amount, fluoropolymer micro mist wax, solubilizer and flow ability modifying agent are added to mixed
It is sufficiently mixed in conjunction machine；
(2) mixture and glass fibre obtained step (1) adds in the hopper of double screw extruder and carries out coextrusion granulation,
The pellet of extrusion is returned in the hopper of double screw extruder and is coextruded granulation, extrusion temperature 250-300 again
℃；Or
In the hopper for the double screw extruder that the mixture addition that step (1) obtains is designed with glass entrance, by glass fibre
Extruder is added in via glass entrance, carries out coextrusion granulation, extrusion temperature is 250-300 DEG C；
(3) the pellet addition obtained by step (2) is subjected to injection molding in injection molding machine, forming temperature is 250-310 DEG C.
10. the preparation method of high-wear-resistancehigh-strength high-strength polycarbonate composite material according to claim 9, which is characterized in that
The double screw extruder is the extruder for being designed with 6~9 temperature-controlled areas, and the injection molding machine is to be designed with 3~6 temperature
The temperature of control zone injection molding machine, extruder and each temperature-controlled area of injection molding machine is stepped up from the front to the back, in middle and back temperature
Control zone is warming up to highest control temperature, and the increasing extent of temperature between temperature-controlled area is not more than 10 DEG C.
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| CN201711331569.6A CN108047677A (en) | 2017-12-13 | 2017-12-13 | A kind of high-wear-resistancehigh-strength high-strength polycarbonate composite material and preparation method thereof |
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| CN201711331569.6A CN108047677A (en) | 2017-12-13 | 2017-12-13 | A kind of high-wear-resistancehigh-strength high-strength polycarbonate composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094065A (en) * | 2018-06-20 | 2018-12-28 | 珠海至多新贸易有限公司 | A kind of online co-extrusion hardening polycarbonate plate technique |
| CN114525026A (en) * | 2022-03-14 | 2022-05-24 | 金发科技股份有限公司 | Wear-resistant high-rigidity polycarbonate composite material and preparation method thereof |
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| CN101712792A (en) * | 2008-10-07 | 2010-05-26 | 金发科技股份有限公司 | Fire and heat resisting self-lubricating polycarbonate composite with nice appearance and preparation method thereof |
| CN103013088A (en) * | 2012-12-29 | 2013-04-03 | 东莞市奥能工程塑料有限公司 | High-rigidity polycarbonate composite material and preparation method thereof |
| CN105602118A (en) * | 2016-03-14 | 2016-05-25 | 衢州学院 | Fluorine-containing polymer superfine wax and modified polypropylene composite material and preparation method thereof |
| CN105860524A (en) * | 2016-04-29 | 2016-08-17 | 四川大学 | Thermoplastic low-friction wear-resistant composite material and preparation method thereof |
-
2017
- 2017-12-13 CN CN201711331569.6A patent/CN108047677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712792A (en) * | 2008-10-07 | 2010-05-26 | 金发科技股份有限公司 | Fire and heat resisting self-lubricating polycarbonate composite with nice appearance and preparation method thereof |
| CN103013088A (en) * | 2012-12-29 | 2013-04-03 | 东莞市奥能工程塑料有限公司 | High-rigidity polycarbonate composite material and preparation method thereof |
| CN105602118A (en) * | 2016-03-14 | 2016-05-25 | 衢州学院 | Fluorine-containing polymer superfine wax and modified polypropylene composite material and preparation method thereof |
| CN105860524A (en) * | 2016-04-29 | 2016-08-17 | 四川大学 | Thermoplastic low-friction wear-resistant composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094065A (en) * | 2018-06-20 | 2018-12-28 | 珠海至多新贸易有限公司 | A kind of online co-extrusion hardening polycarbonate plate technique |
| CN114525026A (en) * | 2022-03-14 | 2022-05-24 | 金发科技股份有限公司 | Wear-resistant high-rigidity polycarbonate composite material and preparation method thereof |
| CN114525026B (en) * | 2022-03-14 | 2023-11-03 | 金发科技股份有限公司 | Wear-resistant high-rigidity polycarbonate composite material and preparation method thereof |
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Application publication date: 20180518 |