CN102382413B - ABS (acrylonitrile butadiene styrene) alloy for multi-rib highly-smooth base and preparation method thereof - Google Patents

ABS (acrylonitrile butadiene styrene) alloy for multi-rib highly-smooth base and preparation method thereof Download PDF

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CN102382413B
CN102382413B CN2011103819124A CN201110381912A CN102382413B CN 102382413 B CN102382413 B CN 102382413B CN 2011103819124 A CN2011103819124 A CN 2011103819124A CN 201110381912 A CN201110381912 A CN 201110381912A CN 102382413 B CN102382413 B CN 102382413B
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abs
pmma
smooth base
district
alloy
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CN102382413A (en
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徐东
徐永
张博
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Polymer Science Shenzhen New Materials Co Ltd
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Polymer Science Shenzhen New Materials Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • B29C48/40Means 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses an ABS (acrylonitrile butadiene styrene) alloy for a multi-rib highly-smooth base and a preparation method thereof. The ABS alloy comprises the following components according to the weight percentage: 40-64 percent of ABS, 6-30 percent of PMMA, 5.2-51.6 percent of MS, 0.6-2 percent of lubricating agent and 0.2-0.4 percent of antioxidant. The preparation method comprises the following steps of 1, weighing the components according to the weight percentage, blasting for drying the weighed ABS, PMMA and MS for 2-4 hours at 80 DEG C; 2, adding the dried ABS, PMMA and MS and the weighed lubricating agent and antioxidant into a low-speed mixing machine, and stirring for 5-10 minutes; and 3, adding the stirred mixture into a feed hopper of a double-screw extruder, melting, extruding and granulating. The ABS alloy for the multi-rib highly-smooth base has excellent mechanical property, and the empty punching phenomenon in the rib injection moulding process is improved.

Description

The high smooth base ABS Alloy And Preparation Method in a kind of many muscle position
[technical field]
The present invention relates to polymeric material field, relate in particular to the high smooth base ABS Alloy And Preparation Method in a kind of many muscle position.
[background technology]
LED flat panel TV industry is main mainly with high light product at present, and high-light ABS alloy is widely used in this field, and for the planner provides the unlimited possibility of innovating, product not only outer light is beautiful, and scratch resistance also is improved.High-light ABS alloy can be accomplished absolutely to reclaim aspect recycling, and oil spout technology different from the past greatly reduces comprehensive cost, and shows environment friendly.
At present, although high-light ABS alloy has been widely used in field of household appliances, existing high-light ABS alloy has a lot of practical problemss unresolved temporarily, when being mainly manifested in the high smooth base in many muscle of injection moulding position, position, muscle position is prone to and rushes white phenomenon, and Shooting Technique can't be improved this defective fully.
[summary of the invention]
The invention provides the high smooth base ABS Alloy And Preparation Method in a kind of many muscle position, can obviously improve the injection moulding of muscle position and rush white phenomenon, with the popularization of convenient overall plastic base.
Technical scheme of the present invention is:
The high smooth base ABS alloy in a kind of many muscle position, by weight percentage, composed of the following components:
Figure BDA0000112673450000011
The high smooth base in a kind of aforesaid many muscle position preparation method of ABS alloy may further comprise the steps:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 2~4 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 5-10min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: twin screw extruder one district temperature 195-230 ℃, two district temperature 195-230 ℃, three district temperature 195-230 ℃, four district temperature 195-230 ℃, five district temperature 195-230 ℃, six district temperature 195-230 ℃, seven district temperature 195-230 ℃, head 220-230 ℃, the residence time 3~4min, pressure are 14-18MPa.
The present invention selects suitable component proportion, so that the high smooth base ABS alloy in many muscle position of preparation, mechanical property is excellent, is fit to very much the high smooth base in many muscle of injection moulding position, has improved the muscle position injection moulding that runs in the actual production and has rushed white phenomenon.
[embodiment]
High-light ABS alloy is widely used in black appliances market at present, and the thinking of innovation is provided for the outward appearance reform of televisor industry.At LED flat panel TV housing, high light base, high light back cover, the parts such as casing of sound equipment all have the application high-light ABS alloy, and along with the pressure of cost increases, overall plastic concept is all being carried out by each large televisor enterprise, especially reducing the expense of iron plate by increasing the muscle position aspect the high light base, when having overcome the high smooth base injection moulding in many muscle position, the present invention rushes white phenomenon, for the popularization at overall plastic high light base contributes.
Below in conjunction with specific embodiment the present invention is done a detailed elaboration.
In following each embodiment, the glossiness of ABS is greater than 85%, and melting index is at 20-30g/10min, such as BASF GP22, and platform AG15A1, strange beautiful 757K; PMMA selects general purpose grade, and melting index is at 20-25g/10min, such as the color special CP-51A of fine jade, Degussa 6N, strange beautiful CM-211; The MMA content of MS is more than or equal to 60%, and transmittance is greater than 90%, such as nippon MS-600, MS-750, and strange beautiful PM-600; Lubricant selects amides lubricant and Zinic stearas according to 5: 2.5 composite forming of mass ratio; Oxidation inhibitor is in mass ratio 2: 1 composite forming of phosphite ester kind antioxidant (such as the two strong irgasfos 168s in Taiwan) and Hinered phenols antioxidant (such as the two antioxidant 1010s of being good in Taiwan); The amides lubricant can comprise the two hard acid amides of ethylene or the two hard acid amides modified waxes of ethylene; In addition, above-mentioned glossiness test angle is 60 degree, and the melting index testing standard is ASTM D-1238, and the transmittance testing standard is ASTM D-1003.
Embodiment 1
The high smooth base ABS alloy in many muscle position among this embodiment, by weight percentage, composed of the following components:
ABS 64%, and PMMA 30%, and MS 5.2%, lubricant 0.6%, oxidation inhibitor 0.2%.
Its preparation method is as follows:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 3 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 10min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: 195 ℃ of twin screw extruder one district's temperature, 195 ℃ of two district's temperature, 200 ℃ of three district's temperature, 200 ℃ of four district's temperature, 210 ℃ of five district's temperature, 200 ℃ of six district's temperature, 210 ℃ of seven district's temperature, 220 ℃ of heads, residence time 3min, pressure are 14MPa.
Embodiment 2
The high smooth base ABS alloy in many muscle position among this embodiment, by weight percentage, composed of the following components:
ABS 58%, and PMMA 24%, and MS 16.8%, lubricant 1%, oxidation inhibitor 0.2%.
Its preparation method is as follows:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 4 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 8min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: 195 ℃ of twin screw extruder one district's temperature, 195 ℃ of two district's temperature, 200 ℃ of three district's temperature, 210 ℃ of four district's temperature, 210 ℃ of five district's temperature, 215 ℃ of six district's temperature, 215 ℃ of seven district's temperature, 220 ℃ of heads, residence time 4min, pressure are 15MPa.
Embodiment 3
The high smooth base ABS alloy in many muscle position among this embodiment, by weight percentage, composed of the following components:
ABS 52%, and PMMA 18%, and MS 28.4%, lubricant 1.3%, oxidation inhibitor 0.3%.
Its preparation method is as follows:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 2 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 5min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: 195 ℃ of twin screw extruder one district's temperature, 195 ℃ of two district's temperature, 210 ℃ of three district's temperature, 210 ℃ of four district's temperature, 215 ℃ of five district's temperature, 215 ℃ of six district's temperature, 215 ℃ of seven district's temperature, 220 ℃ of heads, residence time 4min, pressure are 18MPa.
Embodiment 4
The high smooth base ABS alloy in many muscle position among this embodiment, by weight percentage, composed of the following components:
ABS 48%, and PMMA 12%, and MS 38.1%, lubricant 1.6%, oxidation inhibitor 0.3%.
Its preparation method is as follows:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 3 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 7min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: 195 ℃ of twin screw extruder one district's temperature, 205 ℃ of two district's temperature, 200 ℃ of three district's temperature, 210 ℃ of four district's temperature, 210 ℃ of five district's temperature, 215 ℃ of six district's temperature, 215 ℃ of seven district's temperature, 220 ℃ of heads, residence time 4min, pressure are 15MPa.
Embodiment 5
The high smooth base ABS alloy in many muscle position among this embodiment, by weight percentage, composed of the following components:
ABS 40%, and PMMA 6%, and MS 51.6%, lubricant 2%, oxidation inhibitor 0.4%.
Its preparation method is as follows:
Step 1, take by weighing each component by weight percent described above, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 2 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 10min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: 195 ℃ of twin screw extruder one district's temperature, 195 ℃ of two district's temperature, 200 ℃ of three district's temperature, 215 ℃ of four district's temperature, 210 ℃ of five district's temperature, 215 ℃ of six district's temperature, 215 ℃ of seven district's temperature, 230 ℃ of heads, residence time 4min, pressure are 15MPa.
Performance test and evaluation:
With the particle material of above-described embodiment 1-5 preparation in convection oven under 80 ℃ the condition dry 4 hours first, then use the particle material that drying is good to make the batten test with injection moulding machine.
Wherein, tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min;
Flexural strength and modulus in flexure are tested by ASTM D-790 standard.Specimen types is specimen size (mm): (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2), rate of bending are 20mm/mi n;
The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is category-A, and the breach residual thickness is 1.9mm;
Pencil hardness is tested by the GB/T6739-1996 standard, and load is 9.8N.
Embodiment 1-5 prescription and material properties test data such as following table 1:
Figure BDA0000112673450000061
Table 1
Can be found out by upper table 1, by adjusting ABS, PMMA, the ratio of MS can prepare the high-light ABS alloy of different performance and outward appearance, the ABS of certain content has guaranteed the toughness of material, PMMA content is determining that the gloss of product and muscle position rush white phenomenon, and along with the reduction of PMMA content, the material glossiness reduces, but the injection moulding of muscle position is rushed white phenomenon and is obviously improved, MS plays a part compatilizer, and when MS content was suitable, material mechanical performance was excellent.Comprehensive cost and performance consider that the optimum addition of PMMA is that 18%, ABS is that 52%, MS is 28.4%.
The present invention is by selecting suitable resin proportioning, can obtain outward appearance and well behaved high-light ABS alloy material, can satisfy the requirement of overall plastic (being many muscle position) high light base, obviously improve the injection moulding of muscle position and rush white phenomenon, and mechanical property is excellent, with the popularization of convenient overall plastic base; PMMA content is 6-30% in addition, and with respect to PMMA content is greater than 30% in the prior art, cost is minimized.
More than the high smooth base in a kind of many muscle provided by the present invention position is described in detail with the ABS Alloy And Preparation Method, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (5)

1. the high smooth base ABS alloy in muscle position more than a kind is characterized in that, and is by weight percentage, composed of the following components:
Figure FDA0000231068901
Described lubricant is formed according to mass ratio 5-2.5 is composite by amides lubricant and Zinic stearas; Wherein: described amides lubricant comprises the two hard acid amides of ethylene or the two hard acid amides modified waxes of ethylene;
2:1 is composite in mass ratio forms by phosphite ester kind antioxidant and Hinered phenols antioxidant for described oxidation inhibitor.
2. the high smooth base ABS alloy in many muscle according to claim 1 position, it is characterized in that: described ABS glossiness is greater than 85%, and melting index is at 20-30g/10min.
3. the high smooth base ABS alloy in many muscle according to claim 1 position is characterized in that: described PMMA selects general purpose grade, and melting index is at 20-25g/10min.
4. the high smooth base ABS alloy in many muscle according to claim 1 position, it is characterized in that: the MMA content of described MS is more than or equal to 60%, and transmittance is greater than 90%.
5. the preparation method such as the high smooth base usefulness ABS alloy in the described many muscle of the arbitrary claim of claim 1-7 position is characterized in that, may further comprise the steps:
Step 1, take by weighing each component by weight percent claimed in claim 1, and with the ABS, the PMMA that take by weighing, MS 80 ℃ of lower forced air dryings 2~4 hours;
Step 2, the ABS with after the drying treatment, PMMA, MS and the lubricant that takes by weighing, oxidation inhibitor are put into and are stirred 5-10min in the low speed mixer;
Step 3, the mixture after step 2 stirred are put into the loading hopper of twin screw extruder, through melt extruding granulation; Complete processing is as follows: twin screw extruder one district temperature 195-230 ℃, two district temperature 195-230 ℃, three district temperature 195-230 ℃, four district temperature 195-230 ℃, five district temperature 195-230 ℃, six district temperature 195-230 ℃, seven district temperature 195-230 ℃, head 220-230 ℃, the residence time 3~4min, pressure are 14-18MPa.
CN2011103819124A 2011-11-25 2011-11-25 ABS (acrylonitrile butadiene styrene) alloy for multi-rib highly-smooth base and preparation method thereof Expired - Fee Related CN102382413B (en)

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CN102827453B (en) * 2012-09-20 2014-04-02 南华大学 Dust-proof anti-aging black high-gloss ABS (acrylonitrile-butadiene-styrene) alloy and preparation method thereof
CN104672758A (en) * 2015-03-05 2015-06-03 安徽科聚新材料有限公司 ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof
CN114479339B (en) * 2022-01-19 2023-11-03 金发科技股份有限公司 ABS alloy material and preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101735549A (en) * 2010-02-04 2010-06-16 青岛国恩科技发展有限公司 PMMA/ABS (polymethyl methacrylate/acrylonitrile butadiene styrene) composite material and manufacturing method
CN102134368A (en) * 2010-01-26 2011-07-27 苏州汉扬精密电子有限公司 Formula of non-filled type high-hardness acrylonitrile-butadiene-styrene alloy

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134368A (en) * 2010-01-26 2011-07-27 苏州汉扬精密电子有限公司 Formula of non-filled type high-hardness acrylonitrile-butadiene-styrene alloy
CN101735549A (en) * 2010-02-04 2010-06-16 青岛国恩科技发展有限公司 PMMA/ABS (polymethyl methacrylate/acrylonitrile butadiene styrene) composite material and manufacturing method

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