CN103044851B - High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS - Google Patents
High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS Download PDFInfo
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- CN103044851B CN103044851B CN201310022160.1A CN201310022160A CN103044851B CN 103044851 B CN103044851 B CN 103044851B CN 201310022160 A CN201310022160 A CN 201310022160A CN 103044851 B CN103044851 B CN 103044851B
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-gloss ABS (acrylonitrile-butadiene-styrene) alloy and a method for preparing the same from matte ABS, which comprises the following steps: preparing matte ABS resin, permeable AS (acrylonitrile-styrene), black color master batch, photostabilizer and processing assistant in a weight ratio of (40-80):(20-60):(3-7):(0.2-2):(0.1-5), respectively drying, thoroughly mixing in a high-speed mixer, sending the mixture into a double screw extruder, compounding, extruding, drawing, cooling, granulating and drying to obtain the injection molding finished product. By material selection, advantage complementation of different component materials, combination of preparation technique quick thermal circulation injection molding technique and other measures, the invention greatly lowers the raw material cost on the premise of ensuring excellent performance indexes, and especially overcomes the defects of low gloss, poor permeability, poor density and poor flowing property of the matte material, thereby implementing application in the high-end field and obviously lowering the material cost.
Description
Technical field
The present invention relates to a kind of high-light ABS alloy and preparation thereof, be mainly used in rapid thermal cycles Shooting Technique, utilize the exigent Shell-Class outward appearance moulding (as display front-housing etc.) of sub-light ABS production outward appearance (comprising glossiness, weld mark, current mark, color and luster etc.), production cost is low, high comprehensive performance, has wide market outlook.
Background technology
Development of new is exempted to spray the important development direction that high-light ABS alloy and technology of preparing thereof are the plastic case materials of middle and high end electrical equipment.By coordinating of the design of macromolecular material and rapid thermal cycles Shooting Technique and high gloss mold, energy-saving and environmental protection, high light can be reached and exempt from the green injection moulding effect that sprays.
Rapid thermal cycles Shooting Technique (Rapid Heating Cycle Molding, RHCM) be realize Gao Mowen injection moulding under the prerequisite not affecting injection molding cycle, make plastics injection moulding without traditional polishing, spraying, UV Lacquer finish technique, can obtain and there is high glossiness effect and surperficial weldless trace, current mark, spray trace, the high-quality outward appearance plastic of the defects such as floating fibre, thus plastic must be polished after eliminating the injection moulding of traditional injection moulding technique, spraying, the problem of the environmental pollution that Lacquer finish technique is brought and plastic recyclability difference, the injection moulding not only achieving the pollution-free low cost of short route is produced, and significantly improve exterior quality and the intrinsic mechanical property of product, it is a kind of genuine high quality, high precision, energy-saving and emission-reduction, eco-friendly green Shooting Technique.Be subject to great attention and the application in more and more field.
ABS resin is a kind of thermoplastics of excellent property, there is the features such as good shock strength, bending stretch performance, dimensional stability, processing characteristics be excellent, and be widely used in the injecting products in industrial part, electric equipment products shell or driving member, office equipment and other field, and there is the field dominate always of high gloss appearance requirement, be the leading raw material in rapid thermal cycles Shooting Technique.
Patent CN101475727A " ABS/PMMA matrix material ", utilizes high-light ABS (shock strength 200J/m) to carry out PMMA modification as base-material; Patent CN102311590A " a kind of flame-retarding high-lustre ABS and preparation method thereof " carries out flame-retardant modified to the strange beautiful 757K in Taiwan, Taiwan AG15A1 contour flowing ABS, while guarantee surface gloss, realizes flame-retardancy requirements; Patent CN101864142 " electronic apparatus highlight high-hardness dustproof ABS alloy material and preparation method thereof " utilizes the ABS of the particle diameter of divinyl rubber particle below 0.5 micron to develop the antistatic high light material of household electrical appliances; Patent CN101914249A " polymethylmethacryla/e /e acrylonitrile nitrile-phenylethene copolymer alloy and preparation method thereof " prepares Gao Guang, scratch resistant, high transparency alloy material; The ABS that patent CN102030957A " a kind of high gloss damage resistant antistatic ABS alloy " utilizes acrylonitrile content to be less than 15% coordinates with large ratio polyacrylate type resin, damage resistant auxiliary agent, static inhibitor, realizes the Gao Guang of alloy, damage resistant, antistatic property.
But, the high-light ABS material that above-mentioned patent and much enterprise and research institution report, mostly for base-material with the high-light ABS resin self with high glossiness, mobility is generally higher than 18g/10min (220 DEG C, 10Kg), shock strength, at 200J/m and following, by improving its flame retardant resistance, static resistance, thermotolerance, hardness etc., can apply it to the field of various luster degree and performance requriements.Sub-light ABS is cheap, impact-resistance is excellent, but due to its poor fluidity, tint permanence is not good, still has no at present and adopts sub-light ABS base-material, is obtained the report being applicable to the low cost of rapid thermal cycles height light injection molding technology, high performance high-light ABS alloy and preparation method thereof by physically modified.
Summary of the invention
The object of this invention is to provide the method that the sub-light ABS of a kind of high-light ABS alloy and utilization prepares this alloy, utilize cheap sub-light ABS resin, adopt certain proportioning raw materials and rapid thermal cycles Shooting Technique (RHCM), produce a kind of high-light ABS raw material to performance and the higher large-scale Thin-shell Part of appearance requirement.
The technical scheme that the present invention takes is:
A kind of high-light ABS alloy, the weight part ratio of its raw material consists of:
Described high-light ABS alloy, the weight part ratio composition of its raw material is preferably:
Above-mentioned sub-light ABS resin is the blend of one or more in sub-light acrylonitrile-butadiene-phenylethene grafted copolymer (ABS), sub-light acrylonitrile-butadiene-phenylethene grafted copolymer (ABS), sub-light acrylonitrile-styrene-acrylic terpolymer (ASA).Sub-light ABS resin mix after melt flow rate (MFR) general not high, at 8 ~ 10g/10min(220 DEG C, 10kg) between, but should have impact, notched Izod impact strength is not less than 240J/m and is advisable.
Selected permeability AS(SAN) higher hardness, good permeability should be had, its logical light rate should be greater than 85%, and its mobility more should at 30-40g/10min(220 DEG C, 10kg) between.
Selected black masterbatch should be high-precision bright level, and can be special black masterbatch, also can be general purpose grade.Can be any one in PE base, EVA base, ABS base, AS base, but take ABS as the special black masterbatch of base be preferred.The addition of selected black masterbatch needs to add according to the outward appearance of produced product in theory.But for the part (as display front-housing etc.) that appearance requirement is higher, the saturation ratio that its addition should be not less than the permission of 3%(black masterbatch addition also should be not less than 3%).
Described photostabilizer is the mixture of one or more in alkylation list phenol, alkylation polyphenol, diphenyl phosphite, triphenyl phosphite, position ancestral's phenol or hydroxybenzotriazole.The trade mark produced as vapour Bagong department is the products such as Irganox1010, Irganox168, Irganox1076.
Described processing aid comprises one or more in lubricant, brightening agent, white mineral oil, glycerine and coupling agent, and these processing aids effectively can improve the dispersiveness of each component and reduce the glossiness etc. of harmful friction and increase material when processing and moulding process.As one or more mixtures of soap, stearic amide, erucicamide, amine hydroxybenzene etc.The aliphatics phenol amine lubricant that the inside and outside lubrication that preferably contains described processing aid has both and macromolecule (about 17000) brightening agent.
Utilize sub-light ABS to prepare the method for above-mentioned alloy, comprise step as follows:
By sub-light ABS resin, permeability AS(SAN), black masterbatch, photostabilizer and processing aid be dry, in high-speed mixer, fully mixing is sent in twin screw extruder, mixing, extrude, tie rod, cooling, pelletizing, drying, acquisition be injection-molded finished.
Twin screw extrusion process Zhong Ge district temperature controls between 190-230 DEG C.
The injection temperature coordinated should between 220-240 DEG C, and die temperature is at 110 ± 3 DEG C.
In traditional high-light ABS material, AS(SAN) as a kind of compatilizer, addition is generally about 5%, the present invention is by the selection of base-material and the effect of related auxiliaries, vast scale adds AS, increases the mobility of alloy material, hardness and permeability, and has played its effect reduced costs further.Compared to the alloy material utilizing high gloss ABS to make base-material, consider the property of sub-light ABS, to reach apperance specification of quality (Gao Guang, weldless trace, without defects such as current marks), should suitably improve injecting rate, injection temperature and die temperature, and the raising of this process costs is very micro-compared with the reduction of raw materials cost, do not affect applying of whole raw material.Even if select the sub-light ABS of relative high workability, often still be difficult to meet the demands in the complicated shell injection moulding process that appearance requirement is higher, so a key issue of the present invention is combined with Shooting Technique to cooperation and corresponding preparation by the selection of processing aid, proportioning, reach the object increasing substantially sub-light ABS mobility.
Preparation technology of the present invention, have flow process simple, continuously, the advantage of high, the constant product quality of production efficiency, product, while guarantee properties, significantly reduces costs, and can use in performance and the higher shell part of appearance requirement completely.
The present invention has following beneficial effect:
1, the present invention adopts excellent property, but cheap sub-light ABS material is base-material, and by formula and process adjustments, the high light alloy material obtained has the appearance properties such as excellent glossiness, blackness, permeability.
2, the sharpest edges of high-light ABS alloy that prepared by the present invention are that in the high light injection moulding of high-end plastic, its raw materials cost is extremely low, have the extremely strong market competitiveness.
3, the present invention adopts cheap sub-light ABS, is one of its gordian technique, has some reference value by the improvement of other plastic material mobility to the successful improvement of its mobility.
4, the high-light ABS alloy prepared of the present invention is while having high appearance property, combines the physical and mechanical property of all other excellences of material, such as moderate shock strength, fabulous scratch resistance and high mobility etc.The present invention is not based on research very-high performance material, but caters to the extremely low product of market, moderate performance and cost based on research and development are a.
5, a kind of preparation technology of high-light ABS alloy that mentions of the present invention is simple, easy to utilize.
The present invention with the low sub-light ABS(melt flow rate (MFR) of cost between 8-10g/10min, shock strength is higher than 240J/m) the high gloss ABS base-material that replaces cost high, pass through physically modified, the high luminescent material that preparation over-all properties is good, realize its application in rapid thermal cycles height light Shooting Technique, create new cost space.By the mutual supplement with each other's advantages of the selection of material, different components material, preparation technology and the measure such as rapid thermal cycles Shooting Technique combines, ensureing on the basis that property indices is excellent, significantly reduce raw materials cost, the glossiness particularly solving sub-luminescent material is low, permeability and density difference, poor mobile performance defect, realize its application in high-end field, and significantly reduce material cost.
Embodiment
For ease of a further understanding of the present invention, now describe the present invention in conjunction with specific embodiments:
Raw material of the present invention is commercial goods, is convenient to promote.
Embodiment 1:
High-light ABS alloy, the weight composition of its raw material is in table 1.
Sub-light ABS resin selects acrylonitrile-styrene-butadiene graft copolymers (Shanghai Gaoqiao ABS275), and melt flow rate (MFR) is 8g/10min (10Kg, 220 DEG C), has impact (notched Izod impact strength is 270J/m);
Selected permeability AS is Taiwan NF2200, and have high rigidity, high transparent and high melt flow rate (MFR), melting index is 35g/10min;
Selected black masterbatch is that the high-precision light tone of ABS base is female, 2016C as female in smart brilliant pigment look;
Selected processing aid is the combination of lubricant, white mineral oil and brightener, wherein wt than lubricant 1 part, white mineral oil 0.2 part, brightener 0.5 part.
Selected photostabilizer vapour Bagong department Irganox1010, Irganox168.
By sub-light ABS resin, AS(SAN), black masterbatch, photostabilizer and processing aid be respectively dry, mix by proportioning, stir through high-speed stirring, then said mixture is sent in forcing machine through the feeder of delicate metering, under screw rod transmission and shearing action, abundant fusing, compound, then extrude through head, tie rod, cooling, pelletizing, dry;
Twin screw extruder each district temperature controls between 190-230 DEG C, pressure 16MPa, and rotating speed is 250-300 rev/min, stops 2-3 minute;
Injection temperature 210-230 DEG C, be injection molded into standard testing batten under mold cavity surface temperature 110 DEG C of conditions, and to test after test bars is at room temperature placed 24h.
Embodiment 2
High-light ABS alloy, the weight composition of its raw material is in table 1, and preparation method is with embodiment 1.
Embodiment 3
High-light ABS alloy, the weight composition of its raw material is in table 1, and preparation method is with embodiment 1.
Table 1 embodiment proportioning
High-light ABS alloy testing standard prepared by the present invention and the performance test results are in table 2,3.
Table 2 testing standard
Test result is as shown in table 3.
Table 3 the performance test results
In table 3, the test result contrast of embodiment 1 and embodiment 2 can be found out, along with AS(SAN) increase of addition, the shock strength of ABS material obviously reduces, but stretch, bending, mobility and glossiness increase.Comparative example 2 shows with the test result of embodiment 3, by regulating content and the proportion relation of processing aid and black masterbatch, properties can be balanced well, also improve the melt flow coefficient of batching well, final acquisition outward appearance and properties can meet the qualified product of production requirement simultaneously.
It is high that high-light ABS for rapid thermal cycles technique of the present invention has transmittance, the feature that good fluidity, hardness are moderate, high light, high blackness, scrape resistant, exempt from spraying.Be applicable to injection appearance quality and over-all properties and require higher large thin-wall element.
Above a kind of high-light ABS alloy for rapid thermal cycles Shooting Technique provided by the present invention and preparation method thereof is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept for helping; Simultaneously for one of ordinary skill in the art, according to thought of the present invention, embodiment and range of application all will change.In sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. a high-light ABS alloy, is characterized in that, the weight part ratio of its raw material consists of:
Sub-light ABS resin 55 ~ 80 parts
Permeability AS 20 ~ 45 parts
Black masterbatch 3 ~ 7 parts
Photostabilizer 0.2 ~ 2 part
Processing aid 0.1 ~ 5 part;
Described sub-light ABS resin is the blend of one or more in sub-light acrylonitrile-butadiene-phenylethene grafted copolymer, sub-light acrylonitrile-ethylenepropylene elastomerics-phenylethene grafted copolymer, sub-light acrylonitrile-styrene-acrylic terpolymer; Sub-light ABS resin mix after melt flow rate (MFR) at 220 DEG C, during 10kg between 8 ~ 10g/10min, impact-resistance notched Izod impact strength is not less than 240J/m; Selected permeability AS leads to light rate and should be greater than 85%, its mobility at 220 DEG C, during 10kg between 30-40g/10min;
Described sub-light ABS prepares the method for high-light ABS alloy, comprises step as follows:
By dry to sub-light ABS resin, permeability AS, black masterbatch, photostabilizer and processing aid, in high-speed mixer, fully mixing is sent in twin screw extruder, mixing, extrude, tie rod, cooling, pelletizing, drying, acquisition be injection-molded finished; Twin screw extrusion process Zhong Ge district temperature controls between 190-230 DEG C, and the injection temperature of cooperation should between 220-240 DEG C, and die temperature is at 110 ± 3 DEG C.
2. high-light ABS alloy according to claim 1, is characterized in that, the weight part ratio of its raw material consists of:
Sub-light ABS resin 70 ~ 80 parts
Permeability AS 30 ~ 40 parts
Black masterbatch 3 ~ 6 parts
Photostabilizer 0.2 ~ 1 part
Processing aid 0.1 ~ 2 part.
3. high-light ABS alloy according to claim 1, is characterized in that, selected black masterbatch is high-precision bright level, is ABS base.
4. high-light ABS alloy according to claim 1, is characterized in that, described photostabilizer is the mixture of one or more in alkylation list phenol, alkylation polyphenol, diphenyl phosphite, triphenyl phosphite, sterically hindered phenol or hydroxybenzotriazole.
5. high-light ABS alloy according to claim 1, is characterized in that, described processing aid comprises one or more in lubricant, brightening agent and coupling agent.
6. high-light ABS alloy according to claim 5, is characterized in that, described processing aid contains the aliphatics phenol amine lubricant and macromolecule brightening agent that inside and outside lubrication has both.
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| CN201310022160.1A CN103044851B (en) | 2013-01-21 | 2013-01-21 | High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS |
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| CN201310022160.1A CN103044851B (en) | 2013-01-21 | 2013-01-21 | High-gloss ABS (acrylonitrile-butadiene-styrene) alloy and method for preparing same from matte ABS |
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| CN103044851B true CN103044851B (en) | 2015-04-08 |
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| CN105038096A (en) * | 2015-09-02 | 2015-11-11 | 连云港海水化工有限公司 | White high-brightness weather-proof material containing ABS resin and preparation method of white high-brightness weather-proof material |
| CN112745615B (en) * | 2019-10-29 | 2023-08-15 | 合肥杰事杰新材料股份有限公司 | PMMA/ASA material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508817A (en) * | 2008-12-17 | 2009-08-19 | 深圳市科聚新材料有限公司 | High-light ABS alloy and method for producing the same |
| CN101531801A (en) * | 2009-04-20 | 2009-09-16 | 四川长虹模塑科技有限公司 | Preparation method of scratch-resistant lacquer-free ABS moulding composition with high glaze |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742384B2 (en) * | 1987-04-21 | 1995-05-10 | 日本合成ゴム株式会社 | Thermoplastic resin composition |
| KR100364211B1 (en) * | 1997-10-06 | 2003-02-19 | 제일모직주식회사 | High gloss thermoplastic resin composition excellent in impact resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508817A (en) * | 2008-12-17 | 2009-08-19 | 深圳市科聚新材料有限公司 | High-light ABS alloy and method for producing the same |
| CN101531801A (en) * | 2009-04-20 | 2009-09-16 | 四川长虹模塑科技有限公司 | Preparation method of scratch-resistant lacquer-free ABS moulding composition with high glaze |
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