CN105860489B - Low-friction coefficient PC/ABS alloy materials and preparation method thereof - Google Patents
Low-friction coefficient PC/ABS alloy materials and preparation method thereof Download PDFInfo
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- CN105860489B CN105860489B CN201610420534.9A CN201610420534A CN105860489B CN 105860489 B CN105860489 B CN 105860489B CN 201610420534 A CN201610420534 A CN 201610420534A CN 105860489 B CN105860489 B CN 105860489B
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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
- 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
- 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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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The present invention relates to a kind of low-friction coefficient PC/ABS alloy materials and preparation method thereof；The PC/ABS alloy materials include：PC resin, ABS resin, POM resins, compatilizer, antioxidant, lubricant.The method of the present invention is simple and practicable, the friction coefficient of POM is very low, it is but very poor with the compatibility of PC/ABS, POM is difficult to dispersed in PC/ABS systems, friction coefficient poor effect to reducing PC/ABS, the introducing of compatilizer improve the compatibility of POM and PC/ABS, improve POM dispersing uniformities in PC/ABS, the friction coefficient of PC/ABS alloy materials is effectively reduced, so as to effectively improve the scratch resistance of PC/ABS alloy materials；POM g GMA and POM g MAH not only serve as the compatilizer of POM and PC/ABS in the present invention, and GMA and MAH functional groups can carry out end capping reaction with the terminal hydroxy group in PC, so as to improve the heat endurance of PC/ABS；Have benefited from fine dispersions of the POM in PC/ABS, the PC/ABS in the present invention has excellent processing fluidity except with low-friction coefficient, excellent heat endurance.
Description
Technical field
The invention belongs to polymer blended, Polymer Processing field, and in particular to a kind of low-friction coefficient PC/ABS
Alloy material and preparation method thereof.
Background technology
PC/ABS alloy materials have taken into account the advantages of both PC and ABS, have excellent mechanical property and processing performance,
The fields such as automobile, electronics, communication and chemical industry have a wide range of applications, and especially Automobile Market is hot in recent years, and vapour
Car lightweight, to mould under the trend of Dai Gang so that PC/ABS alloy materials rapidly rise in the dosage of automotive field.
At present, PC/ABS alloy materials are used for automobile component, most of to take the post-processing such as spraying, plating processing side
Formula, directly exposure is relatively less, reason have it is a variety of, the scratch resistance of wherein PC/ABS alloy materials is poor be major reason it
One, PC/ABS alloy materials are limited to a certain extent as exempting from application of the sprayed on material in automotive field, and it is vapour to exempt from spraying
The development trend of car material, by reducing the friction coefficient of PC/ABS alloy materials, can improve its scratch resistance, for it in vapour
The application in car field important meaning with reality.
Found through retrieval, although 103834135 A of CN 103232667 A and CN, which discloses ABS resin, is used for scratch-resistant
The technical solution of ABS composite material, but what is be respectively adopted is PMMA and epoxy resin as scratch resistance liniment, and the present invention uses
Be 5~20 parts of POM resins to reduce the friction coefficient of PC/ABS, so as to improve scratch resistance.Although CN104448760A and
103232701 A of CN disclose the technical solution that PC and ABS combinations prepare the high luminescent material of scratch-resistant, but what is be respectively adopted is
Silicone oil and PMMA are and obvious with the POM resin technology scheme difference that uses of the present invention as scratch resistance liniment.
, should although CN 101255253A disclose the technical solution that POM is used to prepare automotive field scratch-resistant material
The consistency problem of POM resins and PP matrix resins is not accounted in scheme, and the additive amount of POM only has 0.5~3 part, this hair
The consistency problem of POM resins and PC/ABS matrix resins is considered in bright, using compatible technique, the additive amount of POM reaches 5~
20 parts, scratch resistance improvement is obvious.
The content of the invention
The defects of for the prior art, it is an object of the invention to provide a kind of low-friction coefficient PC/ABS alloy materials,
The PC/ABS alloy materials of the present invention have preferable scratch resistance.Another object of the present invention is to provide the alloy material
Preparation method.
The purpose of the present invention is what is be achieved through the following technical solutions：
In a first aspect, the present invention provides a kind of low-friction coefficient PC/ABS alloy materials, comprising with following parts by weight
Component：
Preferably, the molecular weight of the PC resin is 17000~30000g/mol, its glass transition temperature is 140~150
℃。
Preferably, the ABS resin is the graft copolymer of acrylonitrile-butadiene-styrene (ABS) composition, and wherein butadiene contains
Measure as 10~55wt%.
Preferably, the molecular weight of the POM resins is 20000~110000g/mol, and fusing point is 175~183 DEG C.
Preferably, the compatilizer is the mixing of one or both of POM-g-MAH and POM-g-GMA copolymers.
Preferably, the antioxidant is the double [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic acid of triethylene-glycol
Ester], four [β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid] pentaerythritol esters, three (2,4- di-tert-butyl-phenyl) phosphorous acid
One or more of mixing in ester, double stearyl alcohol pentaerythritol diphosphites.
Preferably, the lubricant for atoleine, solid paraffin, silane polymer, soap, fatty acid amide,
Zinc stearate, calcium stearate, stearic amide, methylene bis stearic amide and one kind in N, N- ethylene bis stearic acid amide or
Several mixing.
Second aspect, the invention further relates to a kind of preparation method of foregoing low-friction coefficient PC/ABS alloy materials, including
Following steps：
By PC resin, ABS resin, POM resins, compatilizer, antioxidant and mix lubricant, mixture is obtained；
Gained mixture is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloy materials are made.
Preferably, the mixing refers specifically to mix in mixing and blending machine.
Compared with prior art, the present invention has the advantages that：
The friction coefficient of POM is very low, but very poor with the compatibility of PC/ABS, and POM is difficult to uniformly divide in PC/ABS systems
Dissipate, the friction coefficient poor effect to reducing PC/ABS, the introducing of compatilizer improves the compatibility of POM and PC/ABS, improves
POM dispersing uniformities in PC/ABS, effectively reduce the friction coefficient of PC/ABS alloy materials, so as to effectively improve
The scratch resistance of PC/ABS alloy materials；POM-g-GMA and POM-g-MAH not only serves as POM's and PC/ABS in the present invention
Compatilizer, and GMA and MAH functional groups can carry out end capping reaction with the terminal hydroxy group in PC, so that the heat for improving PC/ABS is steady
It is qualitative；Have benefited from fine dispersions of the POM in PC/ABS, the PC/ABS in the present invention is except with low-friction coefficient, excellent
Heat endurance, while there is excellent processing fluidity.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiments 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 the ordinary skill to 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
The component of low-friction coefficient PC/ABS alloy materials provided in this embodiment and the part by weight of each component are：
Preparation method is as follows：
(a) PC resin, ABS resin, POM resins, compatilizer, antioxidant and lubricant are added in mixing and blending machine and carried out
Mixing, time are 10 minutes；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloys is made
Material.
Comparative example 1
This comparative example provide the component of PC/ABS alloy materials and the part by weight of each component be：
Preparation method is as follows：
(a) PC resin, ABS resin, antioxidant and lubricant are added in mixing and blending machine and mixed, the time is 10 points
Clock；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, PC/ABS alloy materials is made.
Comparative example 2
This comparative example provide the component of PC/ABS alloy materials and the part by weight of each component be：
Preparation method is as follows：
(a) PC resin, ABS resin, POM resins, antioxidant and lubricant are added in mixing and blending machine and mixed, when
Between be 10 minutes；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, PC/ABS alloy materials is made.
Embodiment 2
The component of low-friction coefficient PC/ABS alloy materials provided in this embodiment and the part by weight of each component are：
Preparation method is as follows：
(a) PC resin, ABS resin, POM resins, compatilizer, antioxidant and lubricant are added in mixing and blending machine and carried out
Mixing, time are 5 minutes；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloys is made
Material.
Embodiment 3
The component of low-friction coefficient PC/ABS alloy materials provided in this embodiment and the part by weight of each component are：
Preparation method is as follows：
(a) PC resin, ABS resin, POM resins, compatilizer, antioxidant and lubricant are added in mixing and blending machine and carried out
Mixing, time are 10 minutes；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloys is made
Material.
Embodiment 4
The component of low-friction coefficient PC/ABS alloy materials provided in this embodiment and the part by weight of each component are：
Preparation method is as follows：
(a) PC resin, ABS resin, POM resins, compatilizer, antioxidant and lubricant are added in mixing and blending machine and carried out
Mixing, time are 5 minutes；
(b) mixture obtained by step a is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloys is made
Material.
Implementation result
PC/ABS alloy materials prepared by above example and comparative example are molded into tablet, according to ISO8295 standards into
Row confficient of static friction is tested, and the results are shown in Table 1.
Table 1
In conclusion the method for the present invention is simple and practicable, the friction coefficient of POM is very low, but with the compatibility of PC/ABS very
Difference, the introducing of compatilizer improve the compatibility of POM and PC/ABS, improve POM dispersing uniformities in PC/ABS, effectively drop
The low friction coefficient of PC/ABS alloy materials, so as to improve the scratch resistance of PC/ABS alloy materials.
Comparative example 3~10
Comparative example 3：The molecular weight of PC resin is to be less than 140 DEG C less than 17000g/mol, glass transition temperature, confficient of static friction
For 0.53；
Comparative example 4：The molecular weight of PC resin is to be more than 150 DEG C less than 30000g/mol, glass transition temperature, confficient of static friction
For 0.52；
Comparative example 5：Butadiene content is less than 10wt%, confficient of static friction 0.49 in ABS resin；
Comparative example 6：Butadiene content is more than 55wt%, confficient of static friction 0.52 in ABS resin；
Comparative example 7：The molecular weight of POM resins is less than 20000g/mol, and fusing point is less than 175 DEG C, confficient of static friction 0.53；
Comparative example 8：The molecular weight of POM resins is more than 110000g/mol, and fusing point is more than 183 DEG C, and confficient of static friction is
0.54。
Comparative example 9：The content of compatilizer is 0.4 part, confficient of static friction 0.55；
Comparative example 10：The content of compatilizer is 2.5 parts, confficient of static friction 0.54.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of low-friction coefficient PC/ABS alloy materials, it is characterised in that include the component with following parts by weight：
Wherein, the compatilizer is the mixing of one or both of POM-g-MAH and POM-g-GMA copolymers.
2. low-friction coefficient PC/ABS alloy materials according to claim 1, it is characterised in that the molecule of the PC resin
It is 140~150 DEG C to measure as 17000~30000g/mol, its glass transition temperature.
3. low-friction coefficient PC/ABS alloy materials according to claim 1, it is characterised in that the ABS resin is third
The graft copolymer of alkene nitrile-butadiene-styrene composition, wherein butadiene content is 10~55wt%.
4. low-friction coefficient PC/ABS alloy materials according to claim 1, it is characterised in that point of the POM resins
Son amount is 20000~110000g/mol, and fusing point is 175~183 DEG C.
5. low-friction coefficient PC/ABS alloy materials according to claim 1, it is characterised in that the antioxidant is two contractings
Triethylene glycol double [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic ester], four [β-(3,5- di-t-butyl -4- hydroxy benzenes
Base) propionic acid] pentaerythritol ester, three (2,4- di-tert-butyl-phenyl) phosphite esters, double stearyl alcohol pentaerythrite diphosphorous acids
One or more of mixing in ester.
6. low-friction coefficient PC/ABS alloy materials according to claim 1, it is characterised in that the lubricant is liquid
Paraffin, solid paraffin, silane polymer, soap, fatty acid amide, zinc stearate, calcium stearate, stearic amide, first
One or more of mixing in support double stearic amides and N, N- ethylene bis stearic acid amide.
7. a kind of preparation method of low-friction coefficient PC/ABS alloy materials according to any one of claims 1 to 6, it is special
Sign is, includes the following steps：
By PC resin, ABS resin, POM resins, compatilizer, antioxidant and mix lubricant, mixture is obtained；
Gained mixture is added double screw extruder blending to be granulated, low-friction coefficient PC/ABS alloy materials are made.
8. according to the preparation method of the low-friction coefficient PC/ABS alloy materials described in claim 7, it is characterised in that the mixing
Refer specifically to mix in mixing and blending machine.
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| CN106764111A (en) * | 2016-12-09 | 2017-05-31 | 武汉金牛经济发展有限公司 | A kind of good antiscale property antimicrobial form PE RT tubing and preparation method thereof |
| CN107236244A (en) * | 2017-07-25 | 2017-10-10 | 董久红 | A kind of plastic alloy and its production and use |
| CN110483970A (en) * | 2019-07-29 | 2019-11-22 | 宁波速派电器有限公司 | A kind of high-intensitive modified PC material |
| CN111073154B (en) * | 2019-12-13 | 2022-07-15 | 青岛海纳新材料有限公司 | Resin composite material with abnormal sound prevention function and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207246A1 (en) * | 1992-03-07 | 1993-09-09 | Basf Ag | Low-wear thermoplastic moulding materials - contain thermoplastic polymer, fullerene, and opt. normal additives |
| CN103360740A (en) * | 2013-07-14 | 2013-10-23 | 上海秋橙新材料科技有限公司 | Anti-aging PC-POM (poly carbonate-polyformaldehyde) plastic alloy |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207246A1 (en) * | 1992-03-07 | 1993-09-09 | Basf Ag | Low-wear thermoplastic moulding materials - contain thermoplastic polymer, fullerene, and opt. normal additives |
| CN103360740A (en) * | 2013-07-14 | 2013-10-23 | 上海秋橙新材料科技有限公司 | Anti-aging PC-POM (poly carbonate-polyformaldehyde) plastic alloy |
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