CN107298839A - PC/ABS alloy materials of low gloss and preparation method thereof - Google Patents
PC/ABS alloy materials of low gloss and preparation method thereof Download PDFInfo
- Publication number
- CN107298839A CN107298839A CN201710516070.6A CN201710516070A CN107298839A CN 107298839 A CN107298839 A CN 107298839A CN 201710516070 A CN201710516070 A CN 201710516070A CN 107298839 A CN107298839 A CN 107298839A
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- alloy materials
- low gloss
- abs alloy
- dumb light
- abs
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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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- 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
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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)
Abstract
The present invention relates to PC/ABS alloy materials of a kind of low gloss and preparation method thereof, the alloy material includes each component of following parts by weight：PC resin 50~70, ABS resin 20~50, antioxidant 0.1~1, lubricant 0.1~1,4~8 parts of dumb light agent.By above-mentioned each component in mixer after, be blended and granulated by double screw extruder, control screw extruder rotating speed for 600~800rpm, extrusion temperature is 240~280 DEG C, pressure is 2~4MPa, and by melting extrusion, granulation can be prepared by low gloss PC/ABS alloy materials.Compared with prior art, the present invention can make obtained PC/ABS alloy materials have ultralow gloss, and possess preferable physical property.
Description
Technical field
The present invention relates to polymeric material field, more particularly, to a kind of PC/ABS alloy materials of low gloss and its preparation
Method.
Background technology
PC/ABS resins are a kind of works of the excellent combination properties such as high glaze, high heat-resisting, easy processing, superior dimensional stability
Engineering plastics, have a wide range of applications in fields such as automobile, electronic apparatus, glass lens and medical apparatus.But it is used in automobile
, it is necessary to consider the lustrous surface of material during gadget, prevent material is reflective from causing vision to disturb driver, it is therefore necessary to automobile-used
Interior material surface carries out delustring or matte management, to obtain the driving effect of comfortable safety.
The technological means of conventional solution the demand has：
1st, die surface dermatoglyphization is handled.But low gloss requirement can not be reached sometimes, while can also increase cost, rear
Because abrasion dermatoglyph is lost during continuous use, gloss is caused to reproduce.
2nd, inorganic filler is added.Such as silica, titanium dioxide or silicate and other mineral, although material can be reduced
Lustrous surface, but a certain degree of addition is needed, this can greatly reduce the impact of the physical property of material, especially material
Toughness.
3rd, incompatible component is added.The SAN or acrylic polymer of such as super high molecular weight, in reduction material gloss
While there is also above-mentioned deficiency.
4th, the high molecular polymer of addition response type functional group.Such as PS-g-GMA, although material surface gloss can be improved,
But addition is big, can influence material property.
In existing document, patent CN 101851430, CN 101787192, US 4902743, US 4596851, US
4742104 resins for disclosing addition GMA (GMA) functional group in PC and its alloy can be reduced
Its glossiness.Patent US 6395828 discloses one kind by epoxy-functional and amidine functional group cross-linking reaction to reduce
The method of ASA resin glossiness.Patent 5580924 discloses a kind of thermoplastic compounds for reducing gloss, it is necessary to styrene-the third
A kind of a kind of alkene lonitrile copolymer mixture formation gel in the presence of electrophilic reagent and acid, then by the gel of generation and PC,
SAN, ABS graft polymer mixture prepare the PC/SAN/ABS compositions of low gloss.
Low gloss PC/ABS alloy materials extensive application in automobile market, but these above-mentioned technical schemes are still deposited
In some shortcomings, gloss stability is poor, physical property fluctuation is big, low-temperature impact difference and cost are excessive, and limit is brought to materials application
System, it is therefore desirable to develop a kind of low gloss PC/ABS alloy materials, can have ultralow matte effect, while can also keep compared with
High physical property.
The content of the invention
The purpose of the present invention is exactly that there is provided a kind of PC/ABS of low gloss in order to overcome the defect of above-mentioned prior art presence
Alloy material and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions：
The invention provides a kind of PC/ABS alloy materials of low gloss, include each component of following parts by weight：
PC resin 50~70,
ABS resin 20~50,
Antioxidant 0.1~1,
Lubricant 0.1~1,
2~8 parts of dumb light agent.
Preferably, described dumb light agent includes at least one of the agent of response type dumb light and non-reactive dumb light agent；It is described
Response type matt agent can react with the terminal hydroxy group of PC resin, form cross-linked copolymer.
Preferably, the matt agent is response type matt agent and non-reactive dumb light agent in mass ratio 5:2 mixing formed
Thing.If response type matt agent and the mass ratio of non-reactive dumb light agent are more than or less than the value, the property of the alloy material prepared
The present invention can be worse than.
Preferably, the response type dumb light agent is AS-g-GMA, and GMA contents are 2%, and weight average molecular weight is 50000；It is described
The agent of non-reactive dumb light is ultra high molecular weight phenylethylene-acrylonitrile copolymer, and wherein styrene weight percent content is 40%
~80%, acrylonitrile weight percent content is 10%~50%, and weight average molecular weight is 1000000~1500000.
Preferably, the weight average molecular weight of described PC resin is 20000~35000.
Preferably, the weight average molecular weight of described ABS resin is 800000~200000.
Preferably, the rubber content of the ABS resin is 10~20wt%, and the number average bead diameter of rubber is 0.2~2.0 μm.
Preferably, described antioxidant includes commercially available antioxidant 245, antioxidant 1076, one kind in irgasfos 168 or several
Kind.
Preferably, described lubricant includes one kind or several in silicone powder, pentaerythritol ester, ethylene bis stearic amide
Kind.
Present invention also offers a kind of preparation method of the PC/ABS alloy materials of low gloss, this method uses following step
Suddenly：
(a) PC resin, ABS resin, dumb light agent, antioxidant and lubricant are added and mixed in mixer；
(b) mixture obtained by step (a) is blended by double screw extruder and granulated, control the screw extruder rotating speed to be
600~800rpm, extrusion temperature is 240~280 DEG C, and pressure is 2~4MPa, and by melting extrusion, granulation can be prepared by low light
The PC/ABS alloy materials in pool.
Preferably, the draw ratio for the extruder screw that described double screw extruder is used is 44~60.
Compared with prior art, the present invention has following beneficial effect：
Compared with the patent invented before, the present invention instead of SAN addition with ABS resin, improve the impact of material
Performance and heat resistance.In addition, the present invention in system by with the addition of response type and non-reactive dumb light agent, response type dumb light
Agent can crosslink reaction with the terminal hydroxy group of PC resin, can effectively improve the compatibility of matrix material, improve material
Mechanical property, while material surface gloss is reduced, and the poor compatibility of the agent of non-reactive dumb light and base material, but can significantly adjust
The matte effect of material, the influence of the excessively multipair material property of addition is larger, it is therefore desirable to response type and non-reactive dumb light
The addition of agent is optimized.The present invention not only can make material have excellent matte effect, can also keep good machine
Tool performance, can reduce material cost again, be conducive to a large amount of productions.
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 1~7
A kind of low gloss PC/ABS alloy materials, its each component and its parts by weight such as table 1 are provided in embodiment 1~7
It is shown, got the raw materials ready respectively according to the corresponding component and part of each embodiment in table 1.The above-mentioned component got ready is sent into mixer
Middle premix 3~10 minutes, by premix obtained above by double screw extruder, is melted under the conditions of 240~280 DEG C
Extrusion, cooling granulation, you can low gloss PC/ABS alloy materials are made.
Comparative example 1
The each component and its parts by weight added in comparative example 1 is as shown in table 1, production process and the phase of embodiment 1~7
Together.
Table 1
In foregoing table 1：
Component A-1：The weight average molecular weight of PC resin is 32000, Dow chemical productions；
Component A-2：The weight average molecular weight of PC resin is 22000, Dow chemical productions；
Component B：Acrylnitrile-Butadiene-Styrene：Butadiene content is 52%, South Korea's brocade lake petrochemical iy produced；
Component C-1：Response type dumb light agent, wherein organic matter are mainly AS-g-GMA, and GMA contents are 2%, and molecular weight is
50000；
Component C-2：Non-reactive dumb light agent, main component is ultra high molecular weight phenylethylene-acrylonitrile copolymer, wherein benzene
Weight ethylene degree is 40%~80%, and acrylonitrile weight percent content is 10%~50%, and molecular weight is
1000000~1500000.
Component D：Including lubricant pentaerythritol stearate (PETS), phosphite ester kind antioxidant IRGAFOS168, its
Weight ratio is 1:1.
Above material is premixed 3~10 minutes in mixer, then granulation is blended by double screw extruder, screw rod is controlled
Extruder rotating speed is 600~800rpm, and extrusion temperature is 240~280 DEG C, and pressure is 2~4MPa, by melting extrusion, granulation
It can be prepared by the PC/ABS alloy materials of low gloss.The draw ratio for the extruder screw that described double screw extruder is used is 44
~60.
Performance test
Measuring mechanical property and gloss are carried out to low gloss PC/ABS alloy materials made from embodiment 1~7 and comparative example 1
Spend evaluation test：
Extension test：According to ISO527 standard testings, draw speed is 50mm/min；
Bending strength and bending modulus：According to ISO178 standard testings, speed 2mm/min, span 64mm；
Charpy notch impact strengths：According to ISO180 standard testings；
Vicat softening temperatures：According to ISO306 standard testings.
Glossiness：According to ASTM D523 60 ° using the common colour table after Garden Gloss Meter test 3mm and
The lustrous surface of K31 dumb light dermatoglyph colour tables, and recorded with gloss unit (GU) for unit, the gloss of its Plays black glass piece
Spend for 100GU.
As shown in table 2, glossiness evaluation test result is as shown in table 3 for the measuring mechanical property result：
Table 2
Table 3
By comparing comparative example and embodiment, as can be seen from the test results, add the agent of response type dumb light or non-reaction is mute
Material glossiness has different degrees of decline after photo etching, while material property is also declined slightly.Wherein response type dumb light agent material
Material keeps more reliable, reduces gloss more effectively, also smaller to heat-resisting influence；
When adding response type and response type dumb light agent in system simultaneously by a certain percentage, material can not only be greatly lowered
Glossiness, while preferable mechanical performance can also be kept, and addition is also little, can reduce material cost, beneficial to a large amount of raw
Production.
Concrete application approach of the present invention is a lot, and described above is only the preferred embodiment of the present invention.It should be pointed out that more than
Embodiment is merely to illustrate the present invention, and the protection domain being not intended to limit the invention.For the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as this hair
Bright protection domain.
Claims (10)
1. the PC/ABS alloy materials of a kind of low gloss, it is characterised in that include each component of following parts by weight：
PC resin 50~70,
ABS resin 20~50,
Antioxidant 0.1~1,
Lubricant 0.1~1,
2~8 parts of dumb light agent.
2. the PC/ABS alloy materials of according to claim 1-low gloss, it is characterised in that described dumb light agent includes
At least one of the agent of response type dumb light and non-reactive dumb light agent；The response type dumb light agent can be with PC resin terminal hydroxy group
React, form cross-linked copolymer.
3. the PC/ABS alloy materials of low gloss according to claim 2, it is characterised in that the matt agent is response type
Matt agent and non-reactive dumb light agent in mass ratio 5:2 mixtures formed.
4. the PC/ABS alloy materials of low gloss according to claim 2, it is characterised in that the response type dumb light agent is
AS-g-GMA, GMA content are 2%, and molecular weight is 50000；The non-reactive dumb light agent is ultra high molecular weight phenylethylene-propylene
Lonitrile copolymer, wherein styrene weight percent content be 40%~80%, acrylonitrile weight percent content be 10%~
50%, molecular weight is 1000000~1500000.
5. the PC/ABS alloy materials of low gloss according to claim 1, it is characterised in that the weight of described PC resin is equal
Molecular weight is 20000~35000.
6. the PC/ABS alloy materials of low gloss according to claim 1, it is characterised in that the weight of described ABS resin
Average molecular weight is 800000~200000.
7. the PC/ABS alloy materials of low gloss according to claim 1, it is characterised in that described antioxidant includes city
Sell the one or more in antioxidant 245, antioxidant 1076, irgasfos 168.
8. the PC/ABS alloy materials of low gloss according to claim 1, it is characterised in that described lubricant includes silicon
One or more in ketone powder, pentaerythritol ester, ethylene bis stearic amide.
9. a kind of preparation method of the PC/ABS alloy materials of low gloss according to claim 1, it is characterised in that the party
Method uses following steps：
(a) PC resin, ABS resin, dumb light agent, antioxidant and lubricant are added and mixed in mixer；
(b) mixture obtained by step (a) is blended by double screw extruder and granulated, control screw extruder rotating speed be 600~
800rpm, extrusion temperature is 240~280 DEG C, and pressure is 2~4MPa, and by melting extrusion, granulation can be prepared by low gloss
PC/ABS alloy materials.
10. the preparation method of the PC/ABS alloy materials of low gloss according to claim 9, it is characterised in that described
The draw ratio for the extruder screw that double screw extruder is used is 44~60.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746758A (en) * | 2019-11-21 | 2020-02-04 | 四川省聚和高分子材料有限公司 | Preparation method of PC-ABS alloy material |
| CN110845836A (en) * | 2019-12-31 | 2020-02-28 | 苏州卓创塑胶科技有限公司 | Low-gloss PC/ABS alloy material |
| WO2022141602A1 (en) * | 2020-12-31 | 2022-07-07 | 佳易容聚合物(上海)有限公司 | Pc/abs composite material having high chemical resistance, and preparation method therefor |
| CN115895227A (en) * | 2022-11-17 | 2023-04-04 | 湖北合聚高分子材料有限公司 | Low-gloss PC/ABS flame-retardant material and preparation method thereof |
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| CN102863753A (en) * | 2012-09-13 | 2013-01-09 | 江苏安格特新材料科技有限公司 | Matte PCABS (polycarbonate acrylonitrile butadiene styrene) composite material and preparation method thereof |
| CN105419285A (en) * | 2015-11-27 | 2016-03-23 | 昆山幻彩塑胶科技有限公司 | Permanently antistatic low-gloss PC/ASA material |
| CN105802173A (en) * | 2014-12-30 | 2016-07-27 | 上海俊尓新材料有限公司 | Extinction halogen-free flame retardant PC/ABS alloy material and preparation method thereof |
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2017
- 2017-06-29 CN CN201710516070.6A patent/CN107298839B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863753A (en) * | 2012-09-13 | 2013-01-09 | 江苏安格特新材料科技有限公司 | Matte PCABS (polycarbonate acrylonitrile butadiene styrene) composite material and preparation method thereof |
| CN105802173A (en) * | 2014-12-30 | 2016-07-27 | 上海俊尓新材料有限公司 | Extinction halogen-free flame retardant PC/ABS alloy material and preparation method thereof |
| CN105419285A (en) * | 2015-11-27 | 2016-03-23 | 昆山幻彩塑胶科技有限公司 | Permanently antistatic low-gloss PC/ASA material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746758A (en) * | 2019-11-21 | 2020-02-04 | 四川省聚和高分子材料有限公司 | Preparation method of PC-ABS alloy material |
| CN110746758B (en) * | 2019-11-21 | 2021-12-28 | 四川省聚和高分子材料有限公司 | Preparation method of PC-ABS alloy material |
| CN110845836A (en) * | 2019-12-31 | 2020-02-28 | 苏州卓创塑胶科技有限公司 | Low-gloss PC/ABS alloy material |
| WO2022141602A1 (en) * | 2020-12-31 | 2022-07-07 | 佳易容聚合物(上海)有限公司 | Pc/abs composite material having high chemical resistance, and preparation method therefor |
| CN115895227A (en) * | 2022-11-17 | 2023-04-04 | 湖北合聚高分子材料有限公司 | Low-gloss PC/ABS flame-retardant material and preparation method thereof |
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| CN107298839B (en) | 2019-09-17 |
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