CN102924857A - Glass fiber reinforced styrene/maleic anhydride composite and preparation method thereof - Google Patents
Glass fiber reinforced styrene/maleic anhydride composite and preparation method thereof Download PDFInfo
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- CN102924857A CN102924857A CN2012104605894A CN201210460589A CN102924857A CN 102924857 A CN102924857 A CN 102924857A CN 2012104605894 A CN2012104605894 A CN 2012104605894A CN 201210460589 A CN201210460589 A CN 201210460589A CN 102924857 A CN102924857 A CN 102924857A
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Abstract
The invention discloses a glass fiber reinforced styrene/maleic anhydride composite and a preparation method thereof. The glass fiber reinforced styrene/maleic anhydride composite is characterized by being prepared from the following raw materials by weight percentages: 46-90 percent of SMA, 0-2 percent of heat stabilizer, 0-2 percent of processing agent and 10-50 percent of chopped flat glass fiber. The preparation method comprises the following steps that the SMA, the heat stabilizer and the processing agent are proportionally added into a double-screw extruder to be molten, mixed and dispersed, meanwhile, the chopped flat glass fiber is fed into the double-screw extruder from a side feeding mouth to be extruded and pelletized, and the product is obtained. The composite has the advantages of high stiffness, high heat resistance, high size stabilizer, good aging resistance and low smell and meets the requirements of vehicle air conditioners as follows: high stiffness, heat resistance, aging resistance size stabilizer and low smell, and the high performance of the vehicle air conditioner material is realized.
Description
Technical field
The present invention relates to special-purpose glass fiber reinforced styrene/maleic anhydride (SMA) matrix material of a kind of automotive air conditioning fan and preparation method thereof, belong to technical field of polymer materials.
Background technology
Along with the development of automotive industry, glass strengthens the SMA material because its excellent rigidity, thermotolerance, dimensional stability, low warpage, high workability, ageing resistance and low smell are widely used in the automobile interior functional structure unit gradually.
Automotive air conditioning fan requires that material has high rigidity, high heat-resisting, high-dimensional stability, ageing resistance is excellent and low smell.Automotive air conditioning fan mainly adopts high-crystallinity polypropylene and fiber glass reinforced polypropylene at present, the high-crystallinity polypropylene material thermal resistance is not enough, fiber glass reinforced polypropylene has been difficult to satisfy the development of automotive air conditioning fan to the further upgrading of material owing to the reason such as warpage issues, smell problem and weld mark strength be poor.
Summary of the invention
The purpose of this invention is to provide a kind of glass fiber reinforced styrene/maleic anhydride matrix material and preparation method thereof, the defective that exists to overcome prior art satisfies the needs of used for automobile air conditioning Materials.
In order to achieve the above object, the invention provides a kind of glass fiber reinforced styrene/maleic anhydride matrix material, it is characterized in that, made by following raw material by weight percentage:
Styrene-maleic anhydride copolymer (SMA) 46-90%;
Thermo-stabilizer 0-2%;
Processing aid 0-2%;
Short glass fiber 10-50%.
Preferably, described styrene-maleic anhydride copolymer is that the maleic anhydride molar content is the phenylethylene/maleic anhydride random copolymers of 5-25mol%.
Preferably, described thermo-stabilizer is any one or the two or more mixture in phenols, phosphorous acid esters and the monothioester type thermal stabilizing agent.
More preferably, described phenols thermo-stabilizer is antioxidant Irganox1010.Described phosphorous acid ester type thermal stabilizing agent is antioxidant Ultranox627A or Irganox168.Described monothioester type thermal stabilizing agent is antioxidant 412S.
Preferably, described processing aid is stearic acid complex ester class, amides processing aid or its mixture.
Preferably, described short glass fiber is the special-purpose alkali-free short glass fiber of SMA.
The present invention also provides above-mentioned glass fiber reinforced styrene/maleic anhydride composite manufacture method, it is characterized in that, concrete steps are: be 30-60 in length-to-diameter ratio in proportion with styrene-maleic anhydride copolymer, thermo-stabilizer and processing aid: melting mixing is disperseed in 1 the twin screw extruder, simultaneously short glass fiber is fed the twin screw extruder from the side spout by the weight-loss metering scale, extruding pelletization obtains glass fiber reinforced styrene/maleic anhydride matrix material.
Preferably, the length-to-diameter ratio of described twin screw extruder is 40: 1, and each section temperature of this twin screw extruder when extruding pelletization is 230-265 ℃.
The present invention also provides the application of above-mentioned glass fiber reinforced styrene/maleic anhydride (SMA) matrix material in making automotive air conditioning fan.
The present invention adopts short glass fiber enhancing SMA injection moulding to prepare automotive air conditioning fan, it is not enough to have overcome the high-crystallinity polypropylene thermotolerance, fiber glass reinforced polypropylene warpage, the shortcoming that smell is large, weld mark strength is poor, successful preparation special-purpose glass fiber reinforced styrene/maleic anhydride (SMA) matrix material of a kind of automative air conditioning.
The present invention adopts short glass fiber to strengthen SMA, and it is not enough to have overcome the high-crystallinity polypropylene thermotolerance, the shortcoming that the fiber glass reinforced polypropylene smell is large, weld mark strength is not enough.
In addition, the effect of the thermo-stabilizer among the present invention is the degraded that produces in the inhibition course of processing.
Material provided by the invention has high rigidity, high heat-resisting, high-dimensional stability, ageing resistance is excellent and the advantage such as low smell, satisfy the requirement of high rigidity, thermotolerance, ageing resistance, dimensional stability and the low smell of automative air conditioning, realized the high performance of automative air conditioning material.After testing, tensile strength 〉=80MPa, tensile modulus 〉=5000MPa, notched Izod impact strength 〉=6.5KJ/m
2, weld mark tensile strength 〉=40Mpa, heat-drawn wire (1.80Mpa) 〉=130 ℃, thermo-oxidative ageing (120 ℃, 500hr) back draft strength retention 〉=95%, oder levels (80 ℃, 2hr)≤3.5 grade.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, be described in detail below.
Embodiment 1
Be that melting mixing is disperseed in 60: 1 the twin screw extruder with 89.7 kilograms of SMA M14,0.1 kilogram of phenols thermo-stabilizer Irganox1010,0.1 kilogram of phosphite antioxidant Ultranox627A, 0.1 kilogram of processing aid EBS in length-to-diameter ratio, screw speed is 200r/min; The short glass fiber 304A that again 10 kilograms of Chongqing glass fibre company limiteds is produced feeds the twin screw extruder from the side spout by the weight-loss metering scale, the temperature that twin screw extruder is one to six section is made as respectively 230 ℃, 240 ℃, 250 ℃, 250 ℃, 260 ℃, 265 ℃, extruding pelletization obtains product.
Test its performance by respective standard, be listed as follows:
Table 1
| Performance | Unit | Testing standard | Test result |
| Glass fiber content (750 ℃, 30min) | ％ | ISO3451/1 | 15 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 132 |
| Tensile strength | MPa | ISO527/2-93 | 88 |
| Tensile modulus | MPa | ISO527/2-93 | 5500 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 6.8 |
| The weld mark tensile strength | Mpa | ISO527/2-93 | 47 |
| Stretching strength retentivity (120 ℃, 500hr) | ％ | ISO527/2-93 | 96 |
| Oder levels (80 ℃, 2hr) | -- | PV3900 | 3.0 |
Embodiment 2
Be that melting mixing is disperseed in 30: 1 the twin screw extruder with 78.5 kilograms of SMA M25,0.5 kilogram of phenols thermo-stabilizer Irganox1010,0.5 kilogram of phosphorous acid ester type thermal stabilizing agent Irganox168,0.5 kilogram of processing aid EB-FF in length-to-diameter ratio, screw speed is 220r/min; The short glass fiber 304A that again 20 kilograms of Chongqing glass fibre company limiteds is produced feeds the twin screw extruder from the side spout by the weight-loss metering scale, the temperature that forcing machine is one to six section is made as respectively 230 ℃, 240 ℃, 250 ℃, 250 ℃, 260 ℃, 265 ℃, extruding pelletization obtains product.
Test its performance by respective standard, be listed as follows:
Table 2
| Performance | Unit | Testing standard | Test result |
| Glass fiber content (750 ℃, 30min) | ％ | ISO3451/1 | 20 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 134 |
| Tensile strength | MPa | ISO527/2-93 | 95 |
| Tensile modulus | MPa | ISO527/2-93 | 6200 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 7.5 |
| The weld mark tensile strength | Mpa | ISO527/2-93 | 45 |
| Stretching strength retentivity (120 ℃, 500hr) | ％ | ISO527/2-93 | 97 |
| Oder levels (80 ℃, 2hr) | -- | PV3900 | 3.0 |
Embodiment 3
Be that melting mixing is disperseed in 40: 1 the twin screw extruder with 67.5 kilograms of SMA214,0.7 kilogram of phenols thermo-stabilizer Irganox1010,0.8 kilogram of monothioester type thermal stabilizing agent 412S, 1 kilogram of processing aid EBS in length-to-diameter ratio, screw speed is 240r/min; The short glass fiber HP3540 that again 30 kilograms of U.S. PPG Industries Inc. is produced feeds the twin screw extruder from the side spout by the weight-loss metering scale, the temperature that forcing machine is one to six section is made as respectively 230 ℃, 240 ℃, 250 ℃, 250 ℃, 260 ℃, 265 ℃, extruding pelletization finally obtains product.
Test its performance by respective standard, be listed as follows:
Table 3
| Performance | Unit | Testing standard | Test result |
| Glass fiber content (750 ℃, 30min) | ％ | ISO3451/1 | 30 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 136 |
| Tensile strength | MPa | ISO527/2-93 | 115 |
| Tensile modulus | MPa | ISO527/2-93 | 7500 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 8 |
| The weld mark tensile strength | Mpa | ISO527/2-93 | 43 |
| Stretching strength retentivity (120 ℃, 500hr) | ％ | ISO527/293 | 98 |
| Oder levels (80 ℃, 2hr) | -- | PV3900 | 3.0 |
Embodiment 4
Be that melting mixing is disperseed in 40: 1 the twin screw extruder with 46 kilograms of SMA M14,2 kilograms of phenols thermo-stabilizer Irganox1010,1 kilogram of phosphorous acid ester type thermal stabilizing agent Ultranox627A, 1 kilogram of processing aid EB-FF in length-to-diameter ratio, screw speed is 260r/min; From side feeding feeding twin screw extruder, the temperature that forcing machine is to six section is made as respectively 230 ℃ to the short glass fiber HP3786 that again 50 kilograms of U.S. PPG Industries Inc. is produced, 240 ℃ by the weight-loss metering scale, 250 ℃, 250 ℃, 260 ℃, 265 ℃, extruding pelletization obtains product.
Test its performance by respective standard, be listed as follows:
| Performance | Unit | Testing standard | Test result |
| Glass fiber content (750 ℃, 30min) | ％ | ISO3451/1 | 40 |
| HDT(1.80MPa) | ℃ | ISO75/1-93 | 139 |
| Tensile strength | MPa | ISO527/2-93 | 125 |
| Tensile modulus | MPa | ISO527/2-93 | 9000 |
| Notched Izod impact strength | KJ/m 2 | ISO179/2-93 | 9 |
| The weld mark tensile strength | Mpa | ISO527/2-93 | 41 |
| Stretching strength retentivity (120 ℃, 500hr) | ％ | ISO527/2-93 | 99 |
| Oder levels (80 ℃, 2hr) | -- | PV3900 | 3.0 |
Claims (8)
1. glass fiber reinforced styrene/maleic anhydride matrix material is characterized in that, is made by following raw material by weight percentage:
Styrene-maleic anhydride copolymer 46-90%;
Thermo-stabilizer 0-2%;
Processing aid 0-2%;
Short glass fiber 10-50%.
2. glass fiber reinforced styrene as claimed in claim 1/maleic anhydride matrix material is characterized in that, described styrene-maleic anhydride copolymer is that the maleic anhydride molar content is the phenylethylene/maleic anhydride random copolymers of 5-25mol%.
3. glass fiber reinforced styrene as claimed in claim 1/maleic anhydride matrix material is characterized in that, described thermo-stabilizer is any one or the two or more mixture in the mixture type thermal stabilizing agent of phenols, phosphorous acid esters and monothioester.
4. glass fiber reinforced styrene as claimed in claim 1/maleic anhydride matrix material is characterized in that, described processing aid is stearic acid complex ester class, amides processing aid or its mixture.
5. glass fiber reinforced styrene as claimed in claim 1/maleic anhydride matrix material is characterized in that, described short glass fiber is the special-purpose alkali-free short glass fiber of SMA.
6. glass fiber reinforced styrene claimed in claim 1/maleic anhydride composite manufacture method, it is characterized in that, concrete steps are: be 30-60 in length-to-diameter ratio in proportion with styrene-maleic anhydride copolymer, thermo-stabilizer and processing aid: melting mixing is disperseed in 1 the twin screw extruder, simultaneously short glass fiber is fed the twin screw extruder from the side spout by the weight-loss metering scale, extruding pelletization obtains glass fiber reinforced styrene/maleic anhydride matrix material.
7. glass fiber reinforced styrene as claimed in claim 6/maleic anhydride composite manufacture method is characterized in that, the length-to-diameter ratio of described twin screw extruder is 40: 1, and each section temperature of this twin screw extruder when extruding pelletization is 230-265 ℃.
8. the application of glass fiber reinforced styrene/maleic anhydride claimed in claim 1 (SMA) matrix material in making automotive air conditioning fan.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104072923A (en) * | 2014-06-18 | 2014-10-01 | 金发科技股份有限公司 | High-heat-resistant transparent reinforcing material as well as preparation method and application thereof |
| WO2016170103A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Translucent fibre composite materials comprising chemically modified polymers |
| WO2016170148A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Method for producing a fibre-composite made from amorphous, chemically modified polymers with reinforcement fibres |
| WO2016170129A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of fibre-composites for producing technical textiles |
| WO2016170145A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Method for producing fibre composites from amorphous, chemically modified polymers |
| WO2016170131A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of a fibre composite material having sandwich structure and foam component |
| WO2016170104A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Styrene-polymer-based organic sheets for white goods |
| WO2016170098A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of fiber composite materials for producing transparent or translucent molding bodies |
| CN110564097A (en) * | 2019-08-14 | 2019-12-13 | 上海华合复合材料有限公司 | Low-warpage high-dimensional-stability reinforced SMA composite material for automobile structural member and preparation method thereof |
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| CN101418099A (en) * | 2008-12-02 | 2009-04-29 | 上海金发科技发展有限公司 | Natural fiber reinforcement halogen-free flame retardant polypropylene composite material and preparation method thereof |
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| CN1388170A (en) * | 2002-03-21 | 2003-01-01 | 同济大学 | Modified randam styrene-maleic anhydride copolymer with improved toughness and strength |
| CN101418099A (en) * | 2008-12-02 | 2009-04-29 | 上海金发科技发展有限公司 | Natural fiber reinforcement halogen-free flame retardant polypropylene composite material and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072923A (en) * | 2014-06-18 | 2014-10-01 | 金发科技股份有限公司 | High-heat-resistant transparent reinforcing material as well as preparation method and application thereof |
| WO2016170104A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Styrene-polymer-based organic sheets for white goods |
| WO2016170148A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Method for producing a fibre-composite made from amorphous, chemically modified polymers with reinforcement fibres |
| WO2016170129A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of fibre-composites for producing technical textiles |
| WO2016170145A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Method for producing fibre composites from amorphous, chemically modified polymers |
| WO2016170131A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of a fibre composite material having sandwich structure and foam component |
| WO2016170103A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Translucent fibre composite materials comprising chemically modified polymers |
| WO2016170098A1 (en) | 2015-04-22 | 2016-10-27 | Ineos Styrolution Group Gmbh | Use of fiber composite materials for producing transparent or translucent molding bodies |
| US10508180B2 (en) | 2015-04-22 | 2019-12-17 | Ineos Styrolution Group Gmbh | Method for producing fibre composites from amorphous, chemically modified polymers |
| US10563046B2 (en) | 2015-04-22 | 2020-02-18 | Ineos Styrolution Group Gmbh | Translucent fibre composite materials comprising chemically modified polymers |
| US10711110B2 (en) | 2015-04-22 | 2020-07-14 | Ineos Styrolution Group Gmbh | Method for producing a fibre-composite made from amorphous, chemically modified polymers with reinforcement fibres |
| US11441014B2 (en) | 2015-04-22 | 2022-09-13 | Ensinger Gmbh | Translucent fibre composite materials comprising chemically modified polymers |
| CN110564097A (en) * | 2019-08-14 | 2019-12-13 | 上海华合复合材料有限公司 | Low-warpage high-dimensional-stability reinforced SMA composite material for automobile structural member and preparation method thereof |
| CN110564097B (en) * | 2019-08-14 | 2022-07-26 | 华合新材料科技股份有限公司 | Reinforced SMA composite material with low warpage and high dimensional stability for automobile structural member and preparation method thereof |
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Application publication date: 20130213 |