CN104448759A - Composite material with excellent surface treatment performance and preparation method thereof - Google Patents
Composite material with excellent surface treatment performance and preparation method thereof Download PDFInfo
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- CN104448759A CN104448759A CN201410720480.9A CN201410720480A CN104448759A CN 104448759 A CN104448759 A CN 104448759A CN 201410720480 A CN201410720480 A CN 201410720480A CN 104448759 A CN104448759 A CN 104448759A
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- matrix material
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- polycarbonate
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/223—Packed additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; 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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2310/00—Masterbatches
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a composite material with excellent surface treatment performance. The composite material comprises the following raw material components in parts by weight: 60-80 parts of polycarbonate, 20-40 parts of acrylonitrile-butadiene-styrol copolymer and 0.1-10 parts of aids. The composite material disclosed by the invention is a composite material suitable to serve as parts of an automotive rear lamp body and has a good aluminum plating effect under the condition that finish paint spraying is not performed. Moreover, the mechanical property and thermal property of the whole composite material can meet the requirements of international mainstream automobile manufacturers.
Description
Technical field
The present invention relates to a kind of engineering plastics field, be specifically related to a kind of matrix material for car rear lamp body.
Background technology
Polycarbonate, is called for short PC, and be the high molecular polymer containing carbonate group in molecular chain, the structure according to ester group can be divided into the broad varietys such as aliphatics, aromatic series and aliphatic-aromatic.Mechanical property wherein due to aliphatics and aliphatic-aromatic polycarbonate is lower, defines its application in engineering plastics.
Acrylonitrile-butadiene-styrene copolymer, English abbreviation is ABS, is that a kind of intensity is high, good toughness, is easy to the thermoplastic macromolecule material structure of machine-shaping, in fact high, the good toughness of a kind of intensity, be easy to the thermoplastic macromolecule material structure of machine-shaping.Along with the content of three kinds of compositions is different in ABS resin, the performance of resin is also different.
PC and ABS is all the engineering plastics used in modern industry widely, and wherein, PC has good dimensional stability and resistance to elevated temperatures, but toughness is not enough, and impact strength is not high.ABS has toughness well, and impact resistance is excellent, but resistance to elevated temperatures is poor.PC/ABS alloy material has dimensional stability well, higher heat resisting temperature, simultaneously high/low-temperature impact excellent performance.And select the PC of different sorts and grade and ABS alloy material performance often to have a great difference.In prior art, PC/ABS alloy material often it is considered that how to improve mechanics of machinery and the thermal property of material, and considers the surface treatment properties of material and the surface smoothness of material and volatile performance.
In automobile industry, the normally used material of car rear lamp body is PC/ABS alloy material, because the luminous reflectance of rear lamp bulb needs, back light lamp body often needs surface treatment, namely aluminizes.After part prepared by PC/ABS alloy material of the prior art, piece surface smooth finish is inadequate, and the volatilization of small-molecule substance is incomplete, needs spraying one deck paint filler between aluminizing.In the process of spray paint bottom, not only significantly improve part unit price, produce a large amount of waste water and waste liquid in painting process simultaneously, cost height also contaminate environment.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide matrix material of a kind of surface treatment properties excellence and preparation method thereof, be specially a kind of PC/ABS matrix material, to overcome the poor surface smoothness of the part that PC/ABS matrix material is made in prior art, improve the low and defect not environmentally of the cost of piece surface smooth finish.
To achieve these goals or other objects, the present invention is achieved by the following technical solutions.
A matrix material for surface treatment properties excellence, described matrix material comprises following feed composition and weight part:
Polycarbonate 60 ~ 80 parts;
Acrylonitrile-butadiene-styrene copolymer 20 ~ 40 parts;
Auxiliary agent 0.1 ~ 10 part.
Preferably, described polycarbonate is 65 ~ 75 parts.
Preferably, described auxiliary agent is 1 ~ 5 part.
Preferably, the relative molecular weight of described polycarbonate is 20000 ~ 26000, and second-order transition temperature is 140 ~ 150 DEG C.
Preferably, the relative molecular weight of described acrylonitrile-butadiene-styrene copolymer is 120000 ~ 180000, wherein in the total weight parts of acrylonitrile-butadiene-styrene copolymer, vinyl cyanide weight percentage is 20 ~ 30%, divinyl weight percentage is 10 ~ 20%, and vinylbenzene weight percentage is 50 ~ 70%.
Preferably, described auxiliary agent comprises Masterbatch, described Masterbatch be 50-70 grain/gram, water ratio≤0.2%.
Preferably, described auxiliary agent comprises one or more in oxidation inhibitor, compatilizer and releasing agent.
More preferably, described polycarbonate to be Beyer Co., Ltd's model be 2407 PC.
More preferably, the ABS of described acrylonitrile-butadiene-styrene copolymer ABS to be marque be PA-757K.
The invention also discloses the preparation method of matrix material as described above, comprise the following steps:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, speed 400 ~ 500 turns/min of blending and stirring;
B) by step, a) middle gained mixture is by the blended granulation of twin screw extruder, and obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, and screw speed is 500 ~ 800rpm.
Preferably, described step b) middle mixture blended granulation in the twin screw extruder of high vacuum, vacuum tightness is≤0.02MPa.
The invention also discloses a kind of car rear lamp body, for being obtained after injection moulding by matrix material as described above.Described Shooting Technique can be conventional Shooting Technique in prior art.
The beneficial effect of matrix material disclosed in the present invention is:
1) its mechanics of matrix material disclosed in the present invention, thermal property excellence, and its small molecules volatile content is few, also has less small molecules volatile matter to volatilize, thus make the sequent surface excellent performance of obtained matrix material in post-production;
2) matrix material disclosed in the present invention is gentle in the course of processing, avoids feed composition Middle molecule chain and is interrupted, make the molecular structure that it remains intact, not only ensure that the mechanical property of material, and further reduce micromolecular generation.
3) matrix material disclosed in the present invention is adopted to make car rear lamp body part according to existing injection molding technology, spray-applied primer is not needed to carry out follow-up aluminizing, and aluminium coated any surface finish, the outer light that can meet car rear lamp body requires and light distribution requirements, shorten production process, reduce production cost.
To sum up, matrix material disclosed in the present invention is that a kind of being applicable to should as the matrix material of car rear lamp body part, it just has good effect of aluminizing when not carrying out finish paint spraying, and the mechanics of whole matrix material and thermal property can meet the requirement of international mainstream automobile vendor.
Accompanying drawing explanation
Fig. 1 adopts the car rear lamp body that prepared by matrix material in the embodiment of the present invention 1 to exempt to spray paint the photo after aluminizing.
Fig. 2 is the infrared spectrum of the matrix material of preparation in PC, ABS and the embodiment of the present invention 1.
Embodiment
Below by way of specific specific examples, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification sheets also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Embodiment 1
Matrix material described in the present embodiment comprises feed composition and weight part:
Polycarbonate 60 parts;
Acrylonitrile-butadiene-styrene copolymer 40 parts;
Auxiliary agent 0.5 part.
Wherein, described polycarbonate Beyer Co., Ltd model is the polycarbonate of 2407.
Described acrylonitrile-butadiene-styrene copolymer ABS is the marque of Qi Mei company is the ABS of PA-757K.
Described auxiliary agent is Masterbatch, described Masterbatch be 50-70 grain/gram, water ratio≤0.2.
The complete processing of described matrix material is as follows:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, the speed 450 turns/min of blending and stirring;
B) by step a) in gained mixture by the blended granulation of twin screw extruder, obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, screw speed is 740rpm, and the vacuum tightness of twin screw extruder is≤0.02MPa.
The injection moulding of above-mentioned PC/ABS matrix material is prepared into car rear lamp body, then exempts to spray paint to car rear lamp body and aluminize, the technique of aluminizing and parameter as follows:
1) vacuum tightness is controlled: < 0.05Pa
2) evaporation power: 12-16KW is controlled
The surperficial minute surface of the car rear lamp body material after aluminizing is bright and clean, outward appearance and luminous intensity distribution meet in the world mainstream automotive manufacturer if GM lamp is to the service requirements of this type of material.Specifically as shown in Figure 1.
The infrared property of the matrix material prepared in the present invention is tested as shown in Figure 2.
Test the performance of the matrix material prepared in the present embodiment, test result is as shown in table 1.
Table 1
Wherein in table 1:
As can be seen from Table 1, the performance of described matrix material meet in the world mainstream automotive manufacturer if GM lamp is to the service requirements of this type of material.
Embodiment 2
Matrix material described in the present embodiment comprises feed composition and weight part:
Polycarbonate 80 parts;
Acrylonitrile-butadiene-styrene copolymer 20 parts;
Auxiliary agent 5 parts.
Wherein, described polycarbonate is the model of Beyer Co., Ltd is the PC of 2407.
Described acrylonitrile-butadiene-styrene copolymer ABS is the marque of Qi Mei company is the ABS of PA-757K.
Described auxiliary agent is Masterbatch (containing compatilizer), described Masterbatch be 50-70 grain/gram, water ratio≤0.2%, the complete processing of described matrix material is as follows:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, the speed 450 turns/min of blending and stirring;
B) by step a) in gained mixture by the blended granulation of twin screw extruder, obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, screw speed is 740rpm, and the vacuum tightness of twin screw extruder is for being less than 0.02MPa.
Test the performance of the matrix material prepared in the present embodiment, test result is as shown in table 2.
Table 2
Embodiment 3
Matrix material described in the present embodiment comprises feed composition and weight part:
Polycarbonate 70 parts;
Acrylonitrile-butadiene-styrene copolymer 30 parts;
Auxiliary agent 10 parts.
Wherein, described polycarbonate to be Beyer Co., Ltd's model be 2407 PC.
Described acrylonitrile-butadiene-styrene copolymer ABS is the marque of Qi Mei company is the ABS of PA-757K.
Described auxiliary agent is Masterbatch (containing compatilizer), described Masterbatch be 50-70 grain/gram, water ratio≤0.2%.
The complete processing of described matrix material is as follows:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, the speed 450 turns/min of blending and stirring;
B) by step a) in gained mixture by the blended granulation of twin screw extruder, obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, screw speed is 740rpm, and the vacuum tightness of twin screw extruder is≤0.02MPa.
Test the performance of the matrix material prepared in the present embodiment, test result is as shown in table 3.
Table 3
Embodiment 4
Matrix material described in the present embodiment comprises feed composition and weight part:
Polycarbonate 65 parts;
Acrylonitrile-butadiene-styrene copolymer 35 parts;
Auxiliary agent 4 parts.
Wherein, described polycarbonate is.
Described acrylonitrile-butadiene-styrene copolymer ABS is the marque of Qi Mei company is the ABS of PA-757K.
Described auxiliary agent is Masterbatch (containing compatilizer), described Masterbatch be 50-70 grain/gram, water ratio≤0.2%.
The complete processing of described matrix material is as follows:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, the speed 450 turns/min of blending and stirring;
B) by step a) in gained mixture by the blended granulation of twin screw extruder, obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, screw speed is 740rpm, and the vacuum tightness of twin screw extruder is for being≤0.02MPa.
Test the performance of the matrix material prepared in the present embodiment, test result is as shown in table 4.
Table 4
Embodiment 5
Matrix material described in the present embodiment comprises feed composition and weight part:
Polycarbonate 75 parts;
Acrylonitrile-butadiene-styrene copolymer 25 parts;
Auxiliary agent 7 parts.
Wherein, described polycarbonate is the model of Beyer Co., Ltd is the PC of 2407.
Described acrylonitrile-butadiene-styrene copolymer ABS is the marque of Qi Mei company is the ABS of PA-757K.
Described auxiliary agent is Masterbatch (containing compatilizer), described Masterbatch be 50-70 grain/gram, water ratio≤0.2%,
The complete processing of described matrix material is as follows:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, the speed 450 turns/min of blending and stirring;
B) by step a) in gained mixture by the blended granulation of twin screw extruder, obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, screw speed is 740rpm, and the vacuum tightness of twin screw extruder is≤0.02MPa.
Test the performance of the matrix material prepared in the present embodiment, test result is as shown in table 5.
Table 5
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a matrix material for surface treatment properties excellence, is characterized in that, described matrix material comprises following feed composition and weight part:
Polycarbonate 60 ~ 80 parts;
Acrylonitrile-butadiene-styrene copolymer 20 ~ 40 parts;
Auxiliary agent 0.1 ~ 10 part.
2. the matrix material of surface treatment properties excellence as claimed in claim 1, it is characterized in that, described polycarbonate is 65 ~ 75 parts.
3. the matrix material of surface treatment properties excellence as claimed in claim 1, it is characterized in that, described auxiliary agent is 1 ~ 5 part.
4. the matrix material of surface treatment properties excellence as claimed in claim 1, it is characterized in that, the relative molecular weight of described polycarbonate is 20000 ~ 26000, and second-order transition temperature is 140 ~ 150 DEG C.
5. the matrix material of surface treatment properties excellence as claimed in claim 1, it is characterized in that, the relative molecular weight of described acrylonitrile-butadiene-styrene copolymer is 120000 ~ 180000, in the gross weight of acrylonitrile-butadiene-styrene copolymer for benchmark, wherein vinyl cyanide weight percentage is 20 ~ 30%, divinyl weight percentage is 10 ~ 20%, and vinylbenzene weight percentage is 50 ~ 70%.
6. the matrix material of surface treatment properties excellence as claimed in claim 1, it is characterized in that, described auxiliary agent comprises Masterbatch, described Masterbatch be 50-70 grain/gram, water ratio≤0.2%.
7. the matrix material of surface treatment properties excellence as claimed in claim 1, is characterized in that, described auxiliary agent comprise in oxidation inhibitor, compatilizer and releasing agent one or more.
8. the preparation method of matrix material as described in any one of claim 1 ~ 7, comprises the following steps:
A) by the weight part of each feed composition, by polycarbonate, acrylonitrile-butadiene-styrene copolymer and auxiliary agent blending and stirring, speed 400 ~ 500 turns/min of blending and stirring;
B) by step, a) middle gained mixture is by the blended granulation of twin screw extruder, and obtain PC/ABS matrix material, wherein, twin screw extruder barrel zone temperature is 200 ~ 230 DEG C, and screw speed is 500 ~ 800rpm.
9. preparation method as claimed in claim 8, is characterized in that, described step b) in mixture blended granulation in the twin screw extruder of high vacuum, vacuum tightness is≤0.02MPa.
10. a car rear lamp body, for obtaining the matrix material in such as any one of claim 1 ~ 7 after injection moulding.
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| CN201410720480.9A CN104448759A (en) | 2014-12-02 | 2014-12-02 | Composite material with excellent surface treatment performance and preparation method thereof |
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| CN201410720480.9A CN104448759A (en) | 2014-12-02 | 2014-12-02 | Composite material with excellent surface treatment performance and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317830A (en) * | 2016-08-31 | 2017-01-11 | 上海信耀电子有限公司 | Automobile lamp material applicable to laser welding and automobile lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516734A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | PC/ABS halogen-free flame-retardant alloy with high surface impact strength and preparation method thereof |
| CN103554865A (en) * | 2013-10-14 | 2014-02-05 | 上海俊尓新材料有限公司 | High-flow PC/ABS alloy material and its preparation method and application thereof |
-
2014
- 2014-12-02 CN CN201410720480.9A patent/CN104448759A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516734A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | PC/ABS halogen-free flame-retardant alloy with high surface impact strength and preparation method thereof |
| CN103554865A (en) * | 2013-10-14 | 2014-02-05 | 上海俊尓新材料有限公司 | High-flow PC/ABS alloy material and its preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317830A (en) * | 2016-08-31 | 2017-01-11 | 上海信耀电子有限公司 | Automobile lamp material applicable to laser welding and automobile lamp |
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Effective date of registration: 20170105 Address after: 201821 Shanghai City Industrial Zone Jiading Zhaoxian Road No. 928 Building 2 floor 1 Applicant after: Shanghai SCAE Electronics Co., Ltd. Address before: 200333 room No. 2891, Lane 105, Qilian Mountains South Road, Shanghai, Putuo District, China Applicant before: SHANGHAI XINLIANG NEW MATERIAL TECHNOLOGY CO., LTD. |
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Application publication date: 20150325 |