CN102827432B - Long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and preparation method thereof - Google Patents
Long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and preparation method thereof Download PDFInfo
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- CN102827432B CN102827432B CN201210373295.8A CN201210373295A CN102827432B CN 102827432 B CN102827432 B CN 102827432B CN 201210373295 A CN201210373295 A CN 201210373295A CN 102827432 B CN102827432 B CN 102827432B
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Abstract
The invention discloses a long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and a preparation method thereof. The long-glass-fiber-reinforced AS master batch comprises the following components in parts by weight: 20-25 parts of AS, 20-25 parts of thermoplastic polyurethane elastic plastic, 45-55 parts of long glass fiber, 4-6 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.4-0.6 part of flow aid and 0.4-0.6 part of antioxidant. The thermoplastic polyurethane elastic plastic is utilized to toughen the high-flowability AS, and the flowability modifier improves the flowability of the base to prepare the long-glass-fiber-reinforced AS master batch, thereby enhancing the mechanical properties of the long-glass-fiber-reinforced AS master batch and solving the phenomenon of floating fibers in the short-glass-fiber-reinforced AS.
Description
Technical field
The present invention relates to material science, especially a kind of macromolecular material and preparation method thereof.
Background technology
Acrylonitrile-styrene (acrylonitrile-styrene copolymer is called for short AS), it is by vinyl cyanide and the styrene copolymerized macromolecular compound forming; There is the performances such as good thermotolerance, oil-proofness, chemical resistance, therefore, AS, in a large number for household electrical appliance (refrigerator, air-conditioning etc.), still along with people are more and more higher to the requirement of its quality, thereby proposes higher requirement to preparing the raw-material performance of the household electrical appliance such as refrigerator and air-conditioning; Short glass fiber at present used strengthens AS performance can not meet the requirement of people to household electrical appliance quality, and short glass fiber enhancing AS also there will be " floating fine " phenomenon.
The continuous performance of roving glass fiber enhancing AS is good and can solve " floating fine " phenomenon that staple fibre strengthens AS; But common AS viscosity is large, melting index is less, mobility is poor and fragility, makes it prepare roving glass fiber enhancing AS and be restricted.
Summary of the invention
The object of the invention is: provide a kind of roving glass fiber to strengthen AS master batch and preparation method thereof, it has solved common AS and has caused being difficult for the defect of sized glass fibres because of poor fluidity, to overcome the deficiencies in the prior art.
The present invention is achieved in that roving glass fiber strengthens AS master batch, calculate by weight, comprise 20～25 parts of acrylonitrile-styrenes, 20～25 parts of thermoplastic polyurethane elastic plastic cement, 45～55 parts of long glass fibress, 4～6 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.4～0.6 part of flow aids and 0.4～0.6 part of oxidation inhibitor.
Preferred scheme is, calculate by weight, comprise 22 parts of acrylonitrile-styrenes, 22 parts of thermoplastic polyurethane elastic plastic cement, 50 parts of long glass fibress, 5 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.5 part of flow aids and 0.5 part of oxidation inhibitor.
Described oxidation inhibitor is comprised of oxidation inhibitor 1098 and the irgasfos 168 of equivalent.
Roving glass fiber strengthens the preparation method of AS master batch; get acrylonitrile-styrene; thermoplastic polyurethane elastic plastic cement, acrylonitrile-styrene-glycidyl methacrylate, flow aids and oxidation inhibitor are dried; by dried acrylonitrile-styrene; after thermoplastic polyurethane elastic plastic cement, acrylonitrile-styrene-glycidyl methacrylate, flow aids and oxidation inhibitor mix, carry out blending extrusion; by special dipping runner, long glass fibres is flooded; cooling rear pelletizing becomes the particle of 8～12 mm, obtains finished product.
Acrylonitrile-styrene (acrylonitrile-styrene copolymer is called for short AS), it is by vinyl cyanide and the styrene copolymerized macromolecular compound forming.General containing vinylbenzene 15～50%.Transparent and the yellow solid to amber pin look of band, density is 1.06, has thermoplasticity, not easy to change, is not subject to the impact of diluted acid, diluted alkaline, rare alcohol and gasoline, but is dissolved in acetone, ethyl acetate, Ethylene Dichloride etc.Can be used as engineering plastics, there is good thermotolerance and solvent resistance.
Thermoplastic polyurethane elastic plastic cement ((Thermoplastic polyurethane, be called for short TPU), so-called elastomerics refers to that second-order transition temperature is lower than chambers temp, elongation at break >50%, and external force is removed the reasonable macromolecular material of rear Restoration.Polyurethane elastomer is a large class more special in elastomerics, and the durometer level of polyurethane elastomer is very wide, and performance range is very wide, so polyurethane elastomer is the family macromolecule material between rubber and plastics.Can heating plasticizing, in chemical structure, do not have or seldom crosslinked, its molecule is linear substantially, yet but has certain physical crosslinking.This class urethane is called TPU.
The chemical name of oxidation inhibitor 1098 is N, N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine.
The chemical name of irgasfos 168 is three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester.
Described special dipping runner specifically adopts disclosed device in the application for a patent for invention that applicant is " 201110453139.8 " at the application number of applying for before.
Owing to having adopted above-mentioned technical scheme, compared with prior art, the present invention has selected high mobile AS, its melting index is 60-90 g/10min (200 ℃/2.16 kg), and by adding mobility properties-correcting agent to improve the mobility of matrix resin, thereby solve the defect that AS poor fluidity is difficult for sized glass fibres; Select thermoplastic polyurethane elastic plastic cement to carry out the toughness reinforcing AS fragility that solves to AS resin, successfully make roving glass fiber and strengthen AS master batch.Material source of the present invention is extensive, is easy to obtain, and result of use is good.
Embodiment
Embodiments of the invention 1: roving glass fiber strengthens AS master batch, calculate by weight, comprise 22 parts of acrylonitrile-styrenes, 22 parts of thermoplastic polyurethane elastic plastic cement, 50 parts of long glass fibress, 5 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.5 part of flow aids and 0.5 part of oxidation inhibitor; Oxidation inhibitor is comprised of 0.25 oxidation inhibitor 1098 and 0.25 irgasfos 168.
Roving glass fiber strengthens the preparation method of AS master batch; get acrylonitrile-styrene; thermoplastic polyurethane elastic plastic cement, acrylonitrile-styrene-glycidyl methacrylate, flow aids and oxidation inhibitor are dried; by dried acrylonitrile-styrene; after thermoplastic polyurethane elastic plastic cement, acrylonitrile-styrene-glycidyl methacrylate, flow aids and oxidation inhibitor mix, carry out blending extrusion; by special dipping runner, long glass fibres is flooded; cooling rear pelletizing becomes the particle of 8～12 mm, obtains finished product.
Embodiment 2: roving glass fiber strengthens AS master batch, calculate by weight, comprise 20 parts of acrylonitrile-styrenes, 25 parts of thermoplastic polyurethane elastic plastic cement, 45 parts of long glass fibress, 4 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.4 part of flow aids and 0.6 part of oxidation inhibitor; Oxidation inhibitor is comprised of 0.3 oxidation inhibitor 1098 and 0.3 irgasfos 168.
Embodiment 3: roving glass fiber strengthens AS master batch, calculate by weight, comprise 25 parts of acrylonitrile-styrenes, 20 parts of thermoplastic polyurethane elastic plastic cement, 55 parts of long glass fibress, 6 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.6 part of flow aids and 0.4 part of oxidation inhibitor; Oxidation inhibitor is comprised of 0.2 oxidation inhibitor 1098 and 0.2 irgasfos 168.
In above embodiment, the commercially available trade mark of the acrylonitrile-styrene adopting is EMI-200, the commercially available trade mark of thermoplastic polyurethane elastic plastic cement is 87I85, the commercially available trade mark of glass fibre is 988, the commercially available trade mark of acrylonitrile-styrene-glycidyl methacrylate is SAG-008, and the commercially available trade mark of flow aids is ADP-1200.
Salient features test: the product of producing is made standard testing batten according to standard, carries out every test, and its performance test results is as shown in table 1.
Table 1
According to the test result of table 1, can learn, adopt the preparation-obtained sample of technical scheme of the present invention, compare with conventional AS staple fiber material, its performance improves greatly, and due to modification AS matrix, therefore solved the problem that common AS is difficult for sized glass fibres.
Claims (1)
1. a roving glass fiber strengthens the preparation method of AS master batch, it is characterized in that: calculate by weight, get 20～25 parts of acrylonitrile-styrenes, 20～25 parts of thermoplastic polyurethane elastic plastic cement, 4～6 parts of acrylonitrile-styrene-glycidyl methacrylate, 0.4～0.6 part of flow aids and 0.4～0.6 part of oxidation inhibitor are dried, by dried acrylonitrile-styrene, thermoplastic polyurethane elastic plastic cement, acrylonitrile-styrene-glycidyl methacrylate, after mixing, flow aids and oxidation inhibitor carries out blending extrusion, by special dipping runner, 45～55 parts of long glass fibress are flooded, cooling rear pelletizing becomes the particle of 8～12 mm, obtain finished product, described acrylonitrile-styrene has high workability, its melting index is 60-90 g/10min 200 ℃/2.16 kg, described oxidation inhibitor is comprised of oxidation inhibitor 1098 and the irgasfos 168 of equivalent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210373295.8A CN102827432B (en) | 2012-09-27 | 2012-09-27 | Long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and preparation method thereof |
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| CN201210373295.8A CN102827432B (en) | 2012-09-27 | 2012-09-27 | Long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102827432A CN102827432A (en) | 2012-12-19 |
| CN102827432B true CN102827432B (en) | 2014-08-20 |
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| CN201210373295.8A Expired - Fee Related CN102827432B (en) | 2012-09-27 | 2012-09-27 | Long-glass-fiber-reinforced AS (acrylonitrile-styrene) master batch and preparation method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103819829A (en) * | 2014-03-16 | 2014-05-28 | 贵州省材料产业技术研究院 | High-performance engineering plastic/polyester type TPU (thermoplastic polyurethane) alloy material and preparation method thereof |
| CN103819891B (en) * | 2014-03-16 | 2016-04-13 | 贵州省材料产业技术研究院 | A kind of high-performance long glass fiber reinforced TPU matrix material and preparation method thereof |
| CN107474420A (en) * | 2017-08-03 | 2017-12-15 | 广东顺威赛特工程塑料开发有限公司 | A kind of high-impact glass fibre reinforced styrene acrylonitrile copolymer composition and its preparation method and application |
| CN110964270B (en) * | 2019-12-19 | 2022-08-09 | 天津金发新材料有限公司 | High-impact-resistance long glass fiber reinforced SAN (styrene-Acrylonitrile) composition as well as preparation method and application thereof |
| CN115028934B (en) * | 2022-05-25 | 2023-09-05 | 广州丽盈塑料有限公司 | Bright red pearl master batch and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930217A (en) * | 2004-03-16 | 2007-03-14 | 陶氏环球技术公司 | Method for preparing long glass fiber-reinforced composition and fabricated articles therefrom |
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| CN1930217A (en) * | 2004-03-16 | 2007-03-14 | 陶氏环球技术公司 | Method for preparing long glass fiber-reinforced composition and fabricated articles therefrom |
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