CN102863731A - Acrylonitrile-butadiene-styrene (ABS) composite plastic, and preparation method and application thereof - Google Patents

Acrylonitrile-butadiene-styrene (ABS) composite plastic, and preparation method and application thereof Download PDF

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Publication number
CN102863731A
CN102863731A CN2012102882939A CN201210288293A CN102863731A CN 102863731 A CN102863731 A CN 102863731A CN 2012102882939 A CN2012102882939 A CN 2012102882939A CN 201210288293 A CN201210288293 A CN 201210288293A CN 102863731 A CN102863731 A CN 102863731A
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Prior art keywords
composite plastic
abs
abs composite
district
temperature
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CN2012102882939A
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CN102863731B (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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    • 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

Abstract

The invention is applicable to the field of engineering plastics and provides an acrylonitrile-butadiene-styrene (ABS) composite plastic, and a preparation method and application thereof. The ABS composite plastic comprises ABS, styrene-acrylonitrile (SAN), a toughening agent, a dispersing agent and an antioxidant. According to the ABS composite plastic, ABS resin is modified by SAN and the toughening agent, so the shrinkage ratio of the ABS resin is lowered, and the shrinkage ratio of the ABS composite plastic is obviously improved. According to the method for preparing the ABS composite plastic, the ABS resin is modified by SAN and the toughening agent, so the shrinkage ratio of the ABS composite plastic is improved. The method for preparing the ABS composite plastic is easy to implement, low in cost, low in equipment requirement, high in production benefit and quite suitable for industrialized production.

Description

ABS composite plastic, its preparation method and application
Technical field
The invention belongs to the engineering plastics field, relate in particular to a kind of ABS composite plastic, its preparation method and application.
Background technology
ABS resin (acrylonitrile-butadiene-styrene copolymer, ABS are the acronyms of Acrylonitrile Butadiene Styrene) is that a kind of intensity is high, good toughness, be easy to thermoplastics type's Polymer Materials ' Structure of machine-shaping.ABS resin is vinyl cyanide (Acrylonitrile), 1, the graft copolymer of 3-divinyl (Butadiene), three kinds of monomers of vinylbenzene (Styrene), wherein, vinyl cyanide accounts for 15%-35%, divinyl accounts for 5%-30%, and vinylbenzene accounts for 40%-60%, and the modal ratio of emulsion method ABS is A:B:S=22:17:61, and the ratio of B is often lower among the substance law ABS, is about 13%.1,3-butadiene provides low temperature ductility and shock resistance for ABS resin, but too much divinyl can reduce hardness, gloss and the flowability of resin; Vinyl cyanide provides the character of the chemical corrosions such as hardness, thermotolerance, acidproof alkali salt for ABS resin; Vinylbenzene provides the flowability of hardness, processing and the smooth finish of product surface for ABS resin.
At present, ABS resin itself has good outward appearance and mechanical property, but because polymerization methods is nothing but substance law or emulsion method, this also has been limited in 0.4 ~ 0.7% the scope with regard to the shrinking percentage that has determined the ABS material, if make it change shrinking percentage by polymerization methods, quantities is larger, and cost is high, has limited the application of ABS material in the high industry of dimension precision requirement.
Summary of the invention
In view of this, the invention provides a kind of ABS composite plastic, solve the higher technical problem of shrinking percentage of ABS matrix material in the prior art; And, the preparation method and application of above-mentioned ABS composite plastic.
The present invention is achieved in that
A kind of ABS composite plastic comprises the component of following weight percentage:
And,
The preparation method of above-mentioned ABS composite plastic comprises the steps:
Take by weighing this acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor by prescription;
This acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor are mixed, obtain mixture;
This mixture is melt extruded, obtain the ABS composite plastic.
The present invention further provides this application of ABS composite plastic in household electrical appliance.
ABS composite plastic of the present invention carries out modification by SAN and toughner to ABS resin, and the shrinking percentage of ABS resin is descended, and has realized the obvious improvement of the shrinking percentage of this ABS composite plastic.Embodiment of the invention ABS composite plastic preparation method, by with SAN and toughner ABS resin being carried out modification, the shrinking percentage that realizes the ABS matrix material is improved, embodiment of the invention ABS composite plastic preparation method, simple to operate, with low cost, low for equipment requirements, productivity effect is high, is very suitable for suitability for industrialized production.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention provides a kind of ABS composite plastic, comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic carries out modification by SAN and toughner to ABS, make the ABS composite plastic shrinking percentage be improved significantly, the mechanical property of ABS composite plastic is got a promotion.Because the present invention uses acrylonitritrile-styrene resin and toughner that ABS is carried out modification simultaneously, the former belongs to the rigid particles category, and the latter belongs to the cavernous body category, when the two is distributed among the ABS with suitable ratio simultaneously, play synergistic effect, shrink such as mutual resistance, strengthen etc. mutually.Generally, this composite structure belongs to sea-island structure, in this structure of polymer category fabulous over-all properties is arranged.
The shrinking percentage of this acrylonitrile-butadiene-phenylethylene multipolymer (ABS) is 0.4 ~ 0.7%, and its melting index is 220 ℃ of 20 ~ 40g/10min(test conditions/10KG).The weight percentage of this ABS is 70 ~ 90%, preferred 75-85%.It is that product, the platform trade mark of 121H is the product of AG15A1 that ABS can select the emerging company limited in happy golden river in Zhejiang Province, the Ningbo trade mark.
The shrinking percentage of this acrylonitritrile-styrene resin (SAN) is 0.4 ~ 0.7%, and among this SAN, the content of vinyl cyanide is 10 ~ 15%, when this ratio, has good consistency, the weight percentage of this SAN is 2 ~ 10%, is preferably 4-8%, at this scope material rigidity-toughness balanced.
This toughner is high glue powder or MBS(MBS terpolymer).This high glue powder can be selected from the glue content such as HR181 greater than 60% toughner.This MBS can be selected from EM500A, C223A etc.The parts by weight of this toughner are 6.3 ~ 19.5%, are preferably 10-16%, and material rigidity-toughness balanced, shrinking percentage control are strictly in the time of in this scope.
The weight ratio of this toughner and acrylonitritrile-styrene resin is 1 ~ 3:1 ~ 3, and during according to this Proportionality design mixture, sea-island structure is more obvious, rigidity-toughness balanced, and shrinking percentage control is strict.
This dispersion agent is preferably amide waxe class modified material, for example, and ethylene bis stearamide, TAS-2A, TAF etc.This dispersion agent also can select in this area commonly used other to have the material of dispersing property.
This oxidation inhibitor preferred 1076 and 168 is according to the composite mixture in mass ratio 1:2 ~ 2.5.This oxidation inhibitor also can be selected other oxidation inhibitor commonly used in this area.
The embodiment of the invention further provides above-mentioned ABS composite material and preparation method thereof, comprises the steps:
Step S01, supply raw materials:
Take by weighing this acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor by prescription;
Step S02, mix:
This acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor are mixed, obtain mixture;
Step S03 melt extrudes:
This mixture is melt extruded, obtain the ABS composite plastic.
Among the step S01, this acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor do not repeat to set forth at this with aforementioned identical.
Further, before taking by weighing ABS, also comprise the pre-treatment step with ABS:
ABS was placed under 85 ℃ of conditions forced air drying 2～4 hours.
Among the step S02, above-mentioned each component that step S01 is taken by weighing places slow-speed mixer, stirs 3～5min, makes Uniform Dispersion between each component, obtains mixture.
Among the step S03, the mixture that step S02 is obtained places single screw extrusion machine or twin screw extruder to melt extrude processing, and the processing condition that melt extrude are:
175 ~ 220 ℃ of forcing machine one district's temperature, 175 ~ 220 ℃ of two district's temperature, 175 ~ 220 ℃ of three district's temperature, 175 ~ 220 ℃ of four district's temperature, 175 ~ 220 ℃ of five district's temperature, 175 ~ 220 ℃ of six district's temperature, 175 ~ 220 ℃ of seven district's temperature, 175 ~ 220 ℃ of heads, the residence time 2～4min, pressure are 15 ~ 20MPa.Melt extrude rear pelletizing, obtain embodiment of the invention ABS composite plastic.
The embodiment of the invention further provides the application of above-mentioned ABS composite plastic in household electrical appliance.
Below in conjunction with specific embodiment above-mentioned ABS matrix material and preparation method thereof is described in detail.
Embodiment 1
Embodiment of the invention ABS composite plastic comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic preparation method comprises the steps:
Above-mentioned each component is mixed, obtain mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 175 ℃; Two districts: 185 ℃; Three districts: 200 ℃; Four districts: 200 ℃; 210 ℃ of five district's temperature; 200 ℃ of six district's temperature; 210 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～4min.Pressure is 15 ~ 20MPa.
Embodiment 2
Embodiment of the invention ABS composite plastic comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic preparation method comprises the steps:
Above-mentioned each component is mixed, obtain mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 220 ℃; Four districts: 220 ℃; 220 ℃ of five district's temperature; 180 ℃ of six district's temperature; 200 ℃ of seven district's temperature; Head: 210 ℃; Residence time 324min.Pressure is 15 ~ 20MPa.
Embodiment 3
Embodiment of the invention ABS composite plastic comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic preparation method comprises the steps:
Above-mentioned each component is mixed, obtain mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 195 ℃; Two districts: 200 ℃; Three districts: 180 ℃; Four districts: 210 ℃; 210 ℃ of five district's temperature; 200 ℃ of six district's temperature; 180 ℃ of seven district's temperature; Head: 200 ℃; The residence time 2 ~ 4min.Pressure is 15 ~ 20MPa.
Embodiment 4
Embodiment of the invention ABS composite plastic comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic preparation method comprises the steps:
Above-mentioned each component is mixed, obtain mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 205 ℃; Two districts: 205 ℃; Three districts: 200 ℃; Four districts: 220 ℃; 220 ℃ of five district's temperature; 185 ℃ of six district's temperature; 200 ℃ of seven district's temperature; Head: 200 ℃; The residence time 2～4min.Pressure is 15 ~ 20MPa.
Embodiment 5
Embodiment of the invention ABS composite plastic comprises the component of following weight percentage:
Embodiment of the invention ABS composite plastic preparation method comprises the steps:
Above-mentioned each component is mixed, obtain mixture;
This mixture is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 185 ℃; Two districts: 195 ℃; Three districts: 205 ℃; Four districts: 220 ℃; 185 ℃ of five district's temperature; 210 ℃ of six district's temperature; 200 ℃ of seven district's temperature; Head: 220 ℃; The residence time 2～4min.Pressure is 15 ~ 20MPa.
Performance test:
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/min;
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;
The performance test results of the ABS matrix material of above-described embodiment 1 ~ 5 sees table 1.
Table 1
As can be seen from Table 1, composite properties becomes along with each component proportion: 1, toughner content increases, and mixture shock strength and elongation improve, and stretching, flexural strength reduce; 2, the mixture optimum performance appears at ABS 80%, and SAN 6%, under the proportioning of toughner 12.9%, this moment the composite properties balance; 3, in the present embodiment, the shrinking percentage of mixture all remains in the 0.2-0.4% scope and changes.
Shrinking percentage on the prior art:
Prior art 121H AG15A1
Shrinking percentage (%) 0.4-0.7 0.4-0.7
Table 2
The ABS shrinking percentage scope of prior art is at 0.4-0.7% as can be seen from Table 2.Prior art and embodiment are done contrast, and we can find, embodiment obviously dwindles aspect shrinking percentage, shows good dimensional stability.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. ABS composite plastic comprises the component of following weight percentage:
2. ABS composite plastic as claimed in claim 1 is characterized in that, the weight percentage of vinyl cyanide is 10 ~ 15% in the acrylonitritrile-styrene resin.
3. ABS composite plastic as claimed in claim 1 is characterized in that, the weight percentage 4-8% of acrylonitritrile-styrene resin.
4. ABS composite plastic as claimed in claim 1 is characterized in that, described toughner is high glue powder or MBS.
5. ABS composite plastic as claimed in claim 1 is characterized in that, the weight percentage of described toughner is 10-16%.
6. ABS composite plastic as claimed in claim 1 is characterized in that, the weight ratio of described toughner and acrylonitritrile-styrene resin is 1 ~ 3:1 ~ 3.
7. ABS composite plastic as claimed in claim 1 is characterized in that, the melting index of described acrylonitrile-butadiene-phenylethylene multipolymer is 20 ~ 40g/10min, and test condition is 220 ℃/10KG.
8. such as the described ABS composite plastic of claim 1 ~ 7 preparation method, comprise the steps:
Take by weighing described acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor by prescription;
Described acrylonitrile-butadiene-phenylethylene multipolymer, acrylonitritrile-styrene resin, toughner, dispersion agent and oxidation inhibitor are mixed, obtain mixture;
Described mixture is melt extruded, obtain the ABS composite plastic.
9. ABS composite plastic preparation method as claimed in claim 8 is characterized in that, the described processing condition that melt extrude are:
175 ~ 220 ℃ of one district's temperature, 175 ~ 220 ℃ of two district's temperature, 175 ~ 220 ℃ of three district's temperature, 175 ~ 220 ℃ of four district's temperature, 175 ~ 220 ℃ of five district's temperature, 175 ~ 220 ℃ of six district's temperature, 175 ~ 220 ℃ of seven district's temperature, 175 ~ 220 ℃ of heads, the residence time 2～4min, pressure are 15 ~ 20MPa.
10. such as the application of the described ABS composite plastic of claim 1 ~ 7 in household electrical appliance.
CN201210288293.9A 2012-08-14 2012-08-14 Acrylonitrile-butadiene-styrene (ABS) composite plastic, and preparation method and application thereof Expired - Fee Related CN102863731B (en)

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Publication number Priority date Publication date Assignee Title
CN103613899A (en) * 2013-11-15 2014-03-05 广东聚石化学股份有限公司 Anti-flaming acrylonitrile-butadiene-styrene (ABS) alloy material and preparation method thereof
CN105504652A (en) * 2015-12-30 2016-04-20 上海普利特复合材料股份有限公司 Thermo-oxidative-aging-resistance illumination-aging-resistance ABS/ASA blending material and preparation method thereof
CN106189047A (en) * 2016-07-27 2016-12-07 金田集团（桐城）塑业有限公司 A kind of high surface finish ABS material
CN107353573A (en) * 2017-08-15 2017-11-17 丹阳新华美塑料有限公司 A kind of chemically-resistant detergent ABS is material modified
CN111004470A (en) * 2019-12-20 2020-04-14 上海锦湖日丽塑料有限公司 High-dimensional stability ABS resin and preparation method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103613899A (en) * 2013-11-15 2014-03-05 广东聚石化学股份有限公司 Anti-flaming acrylonitrile-butadiene-styrene (ABS) alloy material and preparation method thereof
CN103613899B (en) * 2013-11-15 2015-11-04 广东聚石化学股份有限公司 A kind of flame-proof ABS alloy material and preparation method thereof
CN105504652A (en) * 2015-12-30 2016-04-20 上海普利特复合材料股份有限公司 Thermo-oxidative-aging-resistance illumination-aging-resistance ABS/ASA blending material and preparation method thereof
CN106189047A (en) * 2016-07-27 2016-12-07 金田集团（桐城）塑业有限公司 A kind of high surface finish ABS material
CN107353573A (en) * 2017-08-15 2017-11-17 丹阳新华美塑料有限公司 A kind of chemically-resistant detergent ABS is material modified
CN111004470A (en) * 2019-12-20 2020-04-14 上海锦湖日丽塑料有限公司 High-dimensional stability ABS resin and preparation method thereof

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