CN106700388A - Scratch-resistant and low-temperature impact resistant ABS/TPU alloy material and preparation method thereof - Google Patents
Scratch-resistant and low-temperature impact resistant ABS/TPU alloy material and preparation method thereof Download PDFInfo
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Abstract
The invention provides a scratch-resistant and low-temperature impact resistant ABS/TPU alloy material and a preparation method thereof. The ABS/TPU alloy material is prepared from 950 to 750 parts of ABS, 50 to 250 parts of TPU, 10 to 50 parts of a compatilizer, 5 to 30 parts of a scratch-resistant agent and 2 to 5 parts of an antioxidant through mixing and melt extrusion. The ABS is modified by using the TPU, the low-temperature impact resistance of the ABS/TPU alloy material can be improved, the melt viscosity of the ABS/TPU alloy material is increased, and the low-temperature impact resistance is improved, so that the ABS/TPU alloy material is applicable for being used at a low temperature; meanwhile, the surface hardness and abrasive resistance of the ABS/TPU alloy material are improved.
Description
Technical field：
The present invention relates to high polymer alloy field, ABS/TPU alloy materials of a kind of resistance to scratch and low-temperature impact and preparation method thereof are specifically related to.
Background technology：
Acrylonitrile-butadiene-styrene copolymer（ABS）It is a kind of common excellent performance thermoplastic resin, mechanical property that it has is balanced and processing characteristics good characteristics, and its molding shrinkage is low, dimensional stability is good, is the fifth-largest general-purpose plastics in the world.It is widely used today for the fields such as automotive electronics, electronic apparatus, white domestic appliances, small household appliances, toy.But its low-temperature impact-resistant performance is poor, limits the extension of its range of application.
Polyurethane elastomer（TPU）It is a kind of thermoplastic elastomer (TPE), the features such as with wear-resisting, oil resistant, high resiliency, good low-temperature impact.But have the shortcomings that case hardness is low, modulus is low, dimensional stability is poor simultaneously.
The content of the invention：
The characteristics of present invention is for existing ABS material and TPU materials, there is provided a kind of resistance to scratch and the ABS/TPU alloy materials of low-temperature impact and preparation method thereof.The alloy material has HI high impact and low temperature impact properties, and the characteristics of high-dimensional stability and high melt viscosity, it is particularly suitable for bumper, door-plate, inner container of electric refrigerator equidimension is larger, performance requirement product higher, is equally applicable for the parts higher to the requirement such as wearability, impact resistance such as auto parts and components, belt pulley, gear.
To achieve the above object, the technical scheme that the present invention is used is as follows：
A kind of resistance to scratch and the ABS/TPU alloy materials of low-temperature impact, are prepared from by weight by following components：
Acrylonitrile-butadiene-styrene copolymer（ABS）950-750 parts,
Polyurethane elastomer（TPU）50-250 parts,
Compatilizer
10-50 parts,
5-30 parts of resistance to scratch agent,
Antioxidant
2-5 parts.
Further scheme, the ABS resin is that emulsion polymerization or polymerisation in bulk are prepared from.
The TPU is PAUR elastomer, and its Shao A hardness is 65-80.
The compatilizer is ABS grafted maleic anhydrides（ABS-G）, styrene-maleic anhydride copolymer（SMA）Or methacrylic acid-butadiene-styrene（MBS）.
The scratch resistance liniment is polysiloxanes.
The antioxidant is N, N'- couples-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine（Antioxidant 1098）、β-（3,5- di-tert-butyl-hydroxy phenyls）The positive octadecanol ester of propionic acid（Antioxidant 1076）, three [2.4- di-tert-butyl-phenyls] phosphite esters（Irgasfos 168）And triphenyl phosphite（Antioxidant TPP）In two kinds of compounds.
Another goal of the invention of the invention is to provide the preparation method of above-mentioned ABS/TPU alloy materials, and proportionally ABS, TPU, resistance to scratch agent, compatilizer and antioxidant were sufficiently mixed in high-speed mixer before this；Then by mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod；Finally by granulation after die orifice extrusion wire drawing.
Further scheme, the temperature of the double screw extruder is 180-240 DEG C, screw speed is 200-400r/min.
The present invention is using TPU come modified ABS, can not only improve ABS/TPU alloy materials low-temperature impact-resistant performance, increase ABS/TPU alloy materials melt viscosity, improve its low-temperature impact-resistant performance, and the processing modes such as extrusion, plastic uptake, blowing are made it suitable for, it is applied well in industries such as medicine equipment, food containers, automobile, household electrical appliances.In addition, the acid and alkali-resistance of ABS/TPU alloy materials and the ability of organic solvent-resistant can also be improved；Improve the shortcoming that TPU case hardnesses are low, modulus is low, dimensional stability is poor again simultaneously, improve the case hardness and wearability of alloy material.
Used so as to fit in low temperature so ABS/TPU alloy materials prepared by the present invention are the characteristics of taken into account two kinds of materials of ABS and TPU, the characteristics of make it have high/low-temperature impact, high-dimensional stability.
Specific embodiment：
The invention will be further described with reference to embodiments, and its purpose is only that the protection domain for being best understood from the object of the invention, being not intended to limit the present invention.
Raw material used is commercially available, the emulsion method ABS that wherein ABS is produced for Qi Mei companies in all embodiments and comparative example
PA757, TPU are the polyester-type TPU of Bayer production
9380A, its Shao A hardness 77.
Embodiment 1：
Weigh 950 parts of ABS, 50 parts of TPU, 10 parts of SMA, 5 parts of polysiloxanes, 1 part of antioxidant, 1098,2 parts of irgasfos 168s.
Above-mentioned each material is sufficiently mixed, then by well mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod, after eventually passing extrusion, tie rod, cooling, is made pellet.Each section of temperature of wherein double screw extruder is set as 180-220 DEG C, and screw speed is 400 r/min.
Embodiment 2：
Weigh 900 parts of ABS, 100 parts of TPU, 15 parts of ABS-G, 8 parts of polysiloxanes, 1 part of antioxidant 1076,1 part of irgasfos 168.
Above-mentioned each material is sufficiently mixed, then by well mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod, after eventually passing extrusion, tie rod, cooling, is made pellet.Each section of temperature of wherein double screw extruder is set as 190-225 DEG C, and screw speed is 320 r/min.
Embodiment 3：
Weigh 850 parts of ABS, 150 parts of TPU, 23 parts of ABS-G, 17 parts of polysiloxanes, 1 part of antioxidant, 1098,3 parts of irgasfos 168s.
Above-mentioned each material is sufficiently mixed, then by well mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod, after eventually passing extrusion, tie rod, cooling, is made pellet.Each section of temperature of wherein double screw extruder is set as 200-230 DEG C, and screw speed is 300 r/min.
Embodiment 4：
Weigh 800 parts of ABS, 200 parts of TPU, 40 parts of MBS, 30 parts of polysiloxanes, 2 parts of antioxidant 1076s, 3 part 168 of antioxidant.
Above-mentioned each material is sufficiently mixed, then by well mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod, after eventually passing extrusion, tie rod, cooling, is made pellet.Each section of temperature of wherein double screw extruder is set as 200-235 DEG C, and screw speed is 270 r/min.
Embodiment 5：
Weigh 750 parts of ABS, 250 parts of TPU, 50 parts of MBS, 25 parts of polysiloxanes, 2 parts of antioxidant 1076s, 3 parts of antioxidant TPP.
Above-mentioned each material is sufficiently mixed, then by well mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod, after eventually passing extrusion, tie rod, cooling, is made pellet.Each section of temperature of wherein double screw extruder is set as 205-240 DEG C, and screw speed is 200 r/min.
ABS/TPU alloy materials and ABS material prepared by above-described embodiment 1-5 is made batten by standard, and the examination criteria ASTM standard according to this area detects the indexs such as its melt index, notch impact strength, pencil hardness respectively, specific test result is shown in Table one：
The experimental result of table one
| ABS | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Melt index（220℃/10kg） | 17.8 | 16.4 | 13.7 | 12.9 | 8.4 | 6.9 |
| Shrinkage factor | 0.52 | 0.42 | 0.59 | 0.52 | 0.61 | 0.57 |
| charPY notch impact strengths（23℃）/KJ/m2 | 22 | 29 | 27 | 24 | 36 | 38 |
| charPY notch impact strengths（-30℃）/KJ/m2 | 9 | 12 | 11 | 13 | 21 | 18 |
| Pencil hardness | HB | H | H | 2H | 3H | 2H |
Be can be seen that from the result of table one, the melt index of ABS/TPU alloy materials prepared by the present invention is reduced with the raising of TPU additions, illustrate the viscosity for adding TPU to improve ABS/TPU alloy materials, make it more suitable for techniques such as extrusion, plastic uptake, blowings, and can apply and the aspect such as panel of refrigerator, inner bag.
In addition, according to experimental result, the shrinkage factor of ABS/TPU alloys is relatively low, its dimensional stability is illustrated preferably, be especially suitable for substituting the product that PP is applied to bumper, door-plate equidimension is larger, dimensional stability requirements are high.
According to the test result of impact strength, the addition of TPU improves the impact strength and low temperature impact strength of ABS/TPU alloy materials, and the addition of polysiloxanes then improves the case hardness and wearability of ABS/TPU alloy materials.
The above-mentioned description to embodiment is to be understood that and apply the present invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiments, and General Principle described herein is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art's announcement of the invention, does not depart from improvement that scope made and modification all should be within protection scope of the present invention.
Claims (8)
1. a kind of resistance to scratch and the ABS/TPU alloy materials of low-temperature impact, it is characterised in that：It is prepared from by weight by following components：
Acrylonitrile-butadiene-styrene copolymer 950-750 parts,
Polyurethane elastomer 50-250 parts,
Compatilizer 10-50 parts,
5-30 parts of resistance to scratch agent,
Antioxidant 2-5 parts.
2. ABS/TPU alloy materials according to claim 1, it is characterised in that：The acrylonitrile-butadiene-styrene copolymer resin is that emulsion polymerization or polymerisation in bulk are prepared from.
3. ABS/TPU alloy materials according to claim 1, it is characterised in that：The polyurethane elastomer is PAUR elastomer, and its Shao A hardness is 65-80.
4. ABS/TPU alloy materials according to claim 1, it is characterised in that：The compatilizer is ABS grafted maleic anhydrides, styrene-maleic anhydride copolymer or methacrylic acid-butadiene-styrene.
5. ABS/TPU alloy materials according to claim 1, it is characterised in that：The scratch resistance liniment is polysiloxanes.
6. ABS/TPU alloy materials according to claim 1, it is characterised in that：The antioxidant is N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine, β-（3,5- di-tert-butyl-hydroxy phenyls）Two kinds of compounds in the positive octadecanol ester of propionic acid, three [2.4- di-tert-butyl-phenyls] phosphite esters and triphenyl phosphite.
7. the preparation method of a kind of ABS/TPU alloy materials as described in claim any one of 1-6, it is characterised in that：Proportionally ABS, TPU, resistance to scratch agent, compatilizer and antioxidant are sufficiently mixed in high-speed mixer；Then by mixed material feeding double screw extruder, material is sufficiently fused under shearing, mixing and the conveying of screw rod；Finally by granulation after die orifice extrusion wire drawing.
8. preparation method according to claim 7, it is characterised in that：The temperature of the double screw extruder is 180-240 DEG C, screw speed is 200-400r/min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107892809A (en) * | 2017-12-07 | 2018-04-10 | 福建新力元反光材料有限公司 | A kind of lines of resistance to scratch-type is carved characters film and preparation method thereof |
| CN109082102A (en) * | 2018-07-10 | 2018-12-25 | 天长市优信电器设备有限公司 | A kind of high stability charger case |
| CN110317427A (en) * | 2019-07-03 | 2019-10-11 | 南宁珀源能源材料有限公司 | Novel special backing plate of photovoltaic buddha's warrior attendant wire-electrode cutting |
| CN112574579A (en) * | 2020-12-11 | 2021-03-30 | 安徽中翰高分子科技有限公司 | Scratch-resistant thermoplastic elastomer and preparation method thereof |
| CN112662085A (en) * | 2020-12-16 | 2021-04-16 | 上海长伟锦磁工程塑料有限公司 | Ultrahigh heat-resistant ABS material with excellent bonding strength with polyurethane and preparation method thereof |
| CN112708238A (en) * | 2020-12-29 | 2021-04-27 | 上海普利特复合材料股份有限公司 | Matte TPU/ABS alloy material with high low-temperature toughness and easiness in processing and preparation method thereof |
| CN115011062A (en) * | 2022-05-24 | 2022-09-06 | 珠海格力新材料有限公司 | ABS material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107892809A (en) * | 2017-12-07 | 2018-04-10 | 福建新力元反光材料有限公司 | A kind of lines of resistance to scratch-type is carved characters film and preparation method thereof |
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| CN109082102A (en) * | 2018-07-10 | 2018-12-25 | 天长市优信电器设备有限公司 | A kind of high stability charger case |
| CN110317427A (en) * | 2019-07-03 | 2019-10-11 | 南宁珀源能源材料有限公司 | Novel special backing plate of photovoltaic buddha's warrior attendant wire-electrode cutting |
| CN112574579A (en) * | 2020-12-11 | 2021-03-30 | 安徽中翰高分子科技有限公司 | Scratch-resistant thermoplastic elastomer and preparation method thereof |
| CN112662085A (en) * | 2020-12-16 | 2021-04-16 | 上海长伟锦磁工程塑料有限公司 | Ultrahigh heat-resistant ABS material with excellent bonding strength with polyurethane and preparation method thereof |
| CN112708238A (en) * | 2020-12-29 | 2021-04-27 | 上海普利特复合材料股份有限公司 | Matte TPU/ABS alloy material with high low-temperature toughness and easiness in processing and preparation method thereof |
| CN115011062A (en) * | 2022-05-24 | 2022-09-06 | 珠海格力新材料有限公司 | ABS material and preparation method thereof |
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