CN105255096A - Method for toughening waste ABS plastic of washing machines - Google Patents
Method for toughening waste ABS plastic of washing machines Download PDFInfo
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- CN105255096A CN105255096A CN201510795992.6A CN201510795992A CN105255096A CN 105255096 A CN105255096 A CN 105255096A CN 201510795992 A CN201510795992 A CN 201510795992A CN 105255096 A CN105255096 A CN 105255096A
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Abstract
The invention belongs to the technical field of recycling ABS reclaimed materials and relates to a method for toughening waste ABS plastic of washing machines to solve the technical problems that waste ABS plastic of washing machines are poor in impact resistance, and the environment is seriously polluted due to the fact that the waste ABS plastic are discarded randomly. According to the scheme, the method for toughening the waste ABS plastic of the washing machines comprises the following steps that firstly, by mass, 91-97 parts of ABS plastic of the waste washing machines, 1-3 parts of coloring agents, 0.1-0.3 part of stabilizing agents, 0.3-1.0 part of high glue powder, 0.2-0.6 parts of thermoplastic elastomer and 0.3-1.0 part of white oil are stirred evenly, then put into a double-screw extruder and subjected to fusion mixing at 160-210 DEG C, check rods are extruded out of the extruder and then cooled and cut into particles, and ABS plastic is obtained. The method provides a new choice for toughening the ABS plastic of the waste washing machines.
Description
Technical field
The invention belongs to the recovery and utilization technology field with ABS reworked material, relate to a kind of method that waste washing machine ABS plastic is toughness reinforcing.
Background technology
Along with rising steadily of plastic raw materials price, in order to economize on resources and the energy, reduce production cost and reduce environmental pollution, the recovery of spent high molecular series products has become a project got most of the attention.ABS plastic (acrylonitrile-butadiene-styrene (ABS) plastics) is widely used in producing household appliances, so can obtain a large amount of waste and old ABS plastic when reclaiming household electrical appliances (as TV, refrigerator, washing machine etc.).Due to different additives can be added to raw materials for plastics production in household electrical appliances manufacturing processed, the environment for use of all kinds of household electrical appliances is different simultaneously, in use procedure, plastic ageing degree is also different, the environment for use of washing machine is more severe relative to TV, refrigerator etc., degree of aging is also relatively high, and existing ABS toughening technology effectively can not improve the physicals of washing machine ABS.
The renovation process disclosing a kind of chemical toughening modified waste ABS in " a kind of chemical toughening method of waste and old ABS plastic " (application number is 201410314962.4) and the reconstituted product utilizing the method obtained.This invention employs more additive, and relates to complicated chemical reaction, and complex process, cost is higher.
A kind of waste and old ABS method for toughening for automobile industry is disclosed in " waste and old ABS plastic regenerating and modifying automobile special material and preparation method thereof " (application number is 201410314962.4), this invention proposes blending modification method, but use more additive, cost is higher, and the method for this invention is directed to automobile industry, ABS content also only reaches 90%, is not suitable for the waste and old ABS modification of electrical appliance industry.
In sum, the existing method toughness reinforcing to waste and old ABS plastic all employ multiple additives, and also relate to complicated chemical reaction, complex process, cost is high.
Summary of the invention
The technical problem to be solved in the present invention is that the Izod notched impact strength of the ABS of waste washing machine is lower, and waste and old ABS plastic can cause very large pollution to environment, and existing ABS toughening technology cannot meet the modification of washing machine ABS.
The scheme that the present invention solves the problems of the technologies described above is to provide a kind of toughness reinforcing method of waste washing machine ABS plastic, comprise the following steps: by quality proportioning, the ABS plastic of 91 ~ 97 parts of waste washing machines, 1 ~ 3 part of tinting material, 0.1 ~ 0.3 part of stablizer, 0.3 ~ 1.0 part of high glue powder, 0.2 ~ 0.6 part of thermoplastic elastomer and 0.3 ~ 1.0 part of white oil are stirred, then twin screw extruder is put into, melting mixing at 160 ~ 210 DEG C, extrude after check rod through forcing machine, cooling, pelletizing, obtain toughness reinforcing ABS plastic.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described waste washing machine ABS plastic is first crushed to particle diameter≤10mm before stirring.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, the Izod notched impact strength of described waste washing machine ABS plastic is 4 ~ 6KJ/m
2.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described stablizer is at least one in Zinic stearas, calcium stearate or barium stearate.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described high glue powder is styrene-acrylonitrile-butadiene rubber.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described tinting material is Masterbatch or smalt.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described thermoplastic elastomer is at least one in styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer or styrene ethylene-propylene-styrene type segmented copolymer.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described white oil is paraffin oil or lubricating oil.
Method provided by the invention, the additive types of use is few, does not relate to complicated chemical reaction, and technique is simple, and cost is low, easily carries out suitability for industrialized production, and the flexibilizing ABS material obtained can well can be applied in household electric appliances.
Embodiment
The method that waste washing machine ABS plastic is toughness reinforcing, comprise the following steps: by quality proportioning, the ABS plastic of 91 ~ 97 parts of waste washing machines, 1 ~ 3 part of tinting material, 0.1 ~ 0.3 part of stablizer, 0.3 ~ 1.0 part of high glue powder, 0.2 ~ 0.6 part of thermoplastic elastomer and 0.3 ~ 1.0 part of white oil are stirred, then twin screw extruder is put into, melting mixing at 160 ~ 210 DEG C, extrude after check rod through forcing machine, cooling, pelletizing, obtain toughness reinforcing ABS plastic.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described waste washing machine ABS plastic is first crushed to particle diameter≤10mm before stirring.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, the Izod notched impact strength of described waste washing machine ABS plastic is 4 ~ 6KJ/m
2.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described stablizer is at least one in Zinic stearas, calcium stearate or barium stearate, does not decompose in order to ensure to carry out adding man-hour material settling out.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described high glue powder is styrene-acrylonitrile-butadiene rubber.Described styrene-acrylonitrile-butadiene rubber is core-shell polymers, in order to increase the resistance to impact shock of material.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described tinting material is Masterbatch or smalt, in order to dye to ABS plastic.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described thermoplastic elastomer is at least one in styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer or styrene ethylene-propylene-styrene type segmented copolymer, in order to increase the resistance to impact shock of material.
Wherein, in the method that above-mentioned waste washing machine ABS plastic is toughness reinforcing, described white oil is paraffin oil or lubricating oil, in order to increase additivated dispersiveness.
The scope of additive is through experiment and knowhow is determined, too much can increase unnecessary cost, affect the mechanical property of material, and I haven't seen you for ages excessively makes the mechanical property of material not reach expection requirement.
Embodiment 1
First accurately take various material according to following quality proportioning: the ABS plastic of waste washing machine 97 parts, Masterbatch 1 part, Zinic stearas 0.1 part, styrene-acrylonitrile-butadiene core-shell polymers 0.3 part, styrene-butadiene-styrene block copolymer 0.2 part, paraffin oil 0.3 part.
The ABS plastic of waste washing machine is crushed to particle diameter and is less than or equal to 10mm.Then the ABS crushed material pulverizing the waste washing machine obtained is put into high mixer together with other components of above-mentioned formula to stir.Again the broken material stirred is put into twin screw extruder together; melting mixing at 160 ~ 210 DEG C; resulting materials is extruded after check rod through forcing machine and is cooled in cooling tank, then is introduced into dicing machine and carries out pelletizing operation and obtain the flexibilizing ABS plastics of high impact.
By flexibilizing ABS plastic warp scientific measurement obtained above, its performance is as shown in table 1.
Table 1
| Test item | Unit | Detection method | Test condition | After toughness reinforcing | Before toughness reinforcing |
| Tensile strength | MPa | GB/T 1040 | 50mm/min | 26 | 25 |
| Izod notched impact strength | KJ/m 2 | GB/T 1843 | 4mm，23℃ | 10 | 4 |
| Flexural strength | MPa | GB/T 9341 | 2mm/min | 25 | 23 |
| Modulus in flexure | MPa | GB/T 9341 | 2mm/min | 2050 | 2000 |
| Melt flow rate (MFR) | g/10min | GB/T 3682 | 220℃，10Kg | 22 | 22 |
| Elongation at break | ％ | GB/T 1040 | 50mm/min | 20 | 19 |
As can be seen from Table 1, through modified flexibilizing ABS plastics, its tensile strength, flexural strength, modulus in flexure, melt flow rate (MFR) and elongation at break have lifting by a small margin, Izod notched impact rises to by force original 250%, the raising of shock strength can expand the use range of ABS, promotes use value and economic worth.
Embodiment 2
First accurately take various material according to following quality proportioning: the ABS plastic of waste washing machine 91 parts, Masterbatch 3 parts, Zinic stearas 0.3 part, styrene-acrylonitrile-butadiene core-shell polymers 1.0 parts, styrene-butadiene-styrene block copolymer 0.6 part, paraffin oil 1.0 parts.
The ABS plastic of waste washing machine is crushed to particle diameter and is less than or equal to 10mm.Then the ABS crushed material pulverizing the waste washing machine obtained is put into high mixer together with other components of above-mentioned formula to stir.Again the broken material stirred is put into twin screw extruder together; melting mixing at 160 ~ 210 DEG C; resulting materials is extruded after check rod through forcing machine and is cooled in cooling tank, then is introduced into dicing machine and carries out pelletizing operation and obtain the flexibilizing ABS plastics of high impact.
By flexibilizing ABS plastic warp scientific measurement obtained above, its performance is as shown in table 2.
Table 2
| Test item | Unit | Detection method | Test condition | After toughness reinforcing | Before toughness reinforcing |
| Tensile strength | MPa | GB/T 1040 | 50mm/min | 30 | 25 |
| Izod notched impact strength | KJ/m 2 | GB/T 1843 | 4mm，23℃ | 12 | 4 |
| Flexural strength | MPa | GB/T 9341 | 2mm/min | 28 | 23 |
| Modulus in flexure | MPa | GB/T 9341 | 5mm/min | 2200 | 2000 |
| Melt flow rate (MFR) | g/10min | GB/T 3682 | 220℃，10Kg | 21 | 22 |
| Elongation at break | ％ | GB/T 1040 | 50mm/min | 25 | 19 |
As can be seen from Table 2, through modified flexibilizing ABS plastics, its melt flow rate (MFR) has and declines by a small margin, but impact is little, tensile strength, flexural strength, modulus in flexure and elongation at break have larger lifting, Izod notched impact is carried by force and is reached original 300%, and the raising of shock strength can expand the use range of ABS, promotes use value and economic worth.
Embodiment 3
First accurately take various material according to following quality proportioning: the ABS plastic of waste washing machine 91 parts, Masterbatch 1 part, Zinic stearas 0.1 part, styrene-acrylonitrile-butadiene core-shell polymers 0.3 part, styrene-butadiene-styrene block copolymer 0.2 part, paraffin oil 0.3 part.
The ABS plastic of waste washing machine is crushed to particle diameter and is less than or equal to 10mm.Then the ABS crushed material pulverizing the waste washing machine obtained is put into high mixer together with other components of above-mentioned formula to stir.Again the broken material stirred is put into twin screw extruder together; melting mixing at 160 ~ 210 DEG C; resulting materials is extruded after check rod through forcing machine and is cooled in cooling tank, then is introduced into dicing machine and carries out pelletizing operation and obtain the flexibilizing ABS plastics of high impact.
By flexibilizing ABS plastic warp scientific measurement obtained above, its performance is as shown in table 3.
Table 3
| Test item | Unit | Detection method | Test condition | After toughness reinforcing | Before toughness reinforcing |
| Tensile strength | MPa | GB/T 1040 | 50mm/min | 24 | 25 |
| Izod notched impact strength | KJ/m 2 | GB/T 1843 | 4mm，23℃ | 11 | 4 |
| Flexural strength | MPa | GB/T 9341 | 2mm/min | 23 | 23 |
| Modulus in flexure | MPa | GB/T 9341 | 5mm/min | 2000 | 2000 |
| Melt flow rate (MFR) | g/10min | GB/T 3682 | 220℃，10Kg | 24 | 22 |
| Elongation at break | ％ | GB/T 1040 | 50mm/min | 25 | 19 |
As can be seen from Table 3, through modified flexibilizing ABS plastics, its tensile strength has and declines by a small margin, but impact is little, tensile strength, melt flow rate (MFR) and elongation at break have lifting by a small margin, Izod notched impact is carried by force and is reached original 275%, and the raising of shock strength can expand the use range of ABS, promotes use value and economic worth.
Comparative example
First accurately take various material according to following quality proportioning: the ABS plastic of waste washing machine 91 parts, Masterbatch 1 part, Zinic stearas 0.05 part, styrene-acrylonitrile-butadiene core-shell polymers 0.2 part, styrene-butadiene-styrene block copolymer 0.1 part, paraffin oil 0.2 part.
The ABS plastic of waste washing machine is crushed to particle diameter and is less than or equal to 10mm.Then the ABS crushed material pulverizing the waste washing machine obtained is put into high mixer together with other components of above-mentioned formula to stir.Again the broken material stirred is put into twin screw extruder together; melting mixing at 160 ~ 210 DEG C; resulting materials is extruded after check rod through forcing machine and is cooled in cooling tank, then is introduced into dicing machine and carries out pelletizing operation and obtain the ABS plastic of high impact.
By ABS plastic obtained above through scientific measurement, its performance is as shown in table 4.
Table 4
| Test item | Unit | Detection method | Test condition | After toughness reinforcing | Before toughness reinforcing |
| Tensile strength | MPa | GB/T 1040 | 50mm/min | 24 | 25 |
| Izod notched impact strength | KJ/m 2 | GB/T 1843 | 4mm，23℃ | 6 | 4 |
| Flexural strength | MPa | GB/T 9341 | 2mm/min | 23 | 23 |
| Modulus in flexure | MPa | GB/T 9341 | 5mm/min | 2000 | 2000 |
| Melt flow rate (MFR) | g/10min | GB/T 3682 | 220℃，10Kg | 21 | 22 |
| Elongation at break | ％ | GB/T 1040 | 50mm/min | 20 | 19 |
As can be seen from Table 4, after being lowered by auxiliary material proportion, tensile strength and melt flow rate (MFR) have and decline by a small margin, and flexural strength and modulus in flexure maintain the original state, and shock strength has only risen to original 150%, does not still have good result of use.
Claims (8)
1. the method that waste washing machine ABS plastic is toughness reinforcing, comprise the following steps: by quality proportioning, the ABS plastic of 91 ~ 97 parts of waste washing machines, 1 ~ 3 part of tinting material, 0.1 ~ 0.3 part of stablizer, 0.3 ~ 1.0 part of high glue powder, 0.2 ~ 0.6 part of thermoplastic elastomer, 0.3 ~ 1.0 part of white oil are stirred, then twin screw extruder is put into, melting mixing at 160 ~ 210 DEG C, extrude after check rod through forcing machine, cooling, pelletizing, obtain ABS plastic.
2. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: the ABS plastic of described waste washing machine is first crushed to particle diameter≤10mm before stirring.
3. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: the Izod notched impact strength of the ABS plastic of described waste washing machine is 4 ~ 6KJ/m
2.
4. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: described stablizer is at least one in Zinic stearas, calcium stearate, barium stearate.
5. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: described high glue powder is: styrene-acrylonitrile-butadiene rubber.
6. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: described tinting material is the one in Masterbatch, smalt.
7. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: described thermoplastic elastomer is styrene-butadiene-styrene block copolymer; Styrene isoprene styrene block copolymer (SIS); Styrene-ethylene-butylene-styrene block copolymer; At least one in styrene ethylene-propylene-styrene type segmented copolymer.
8. the method that waste washing machine ABS plastic according to claim 1 is toughness reinforcing, is characterized in that: described white oil is paraffin oil or lubricating oil.
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Cited By (7)
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| CN108690317A (en) * | 2018-05-24 | 2018-10-23 | 合肥永泰新型建材有限公司 | A kind of ABS reclaimed materials composite material and preparation method |
| CN109161155A (en) * | 2018-09-14 | 2019-01-08 | 蚌埠星烁新材料科技有限公司 | A kind of preparation method of low-cost ABS plastic material |
| CN109435098A (en) * | 2018-10-23 | 2019-03-08 | 美的集团武汉制冷设备有限公司 | The method of pelletizing recovered waste plastic |
| CN112143163A (en) * | 2020-09-29 | 2020-12-29 | 安徽华铂再生资源科技有限公司 | Toughening modification method of waste lead-acid storage battery shell ABS plastic |
| WO2021110751A1 (en) * | 2019-12-04 | 2021-06-10 | Ineos Styrolution Group Gmbh | Thermoplastic compounds containing recycling material with superior quality |
| CN113789028A (en) * | 2021-09-26 | 2021-12-14 | 深圳市鑫昌龙新材料研究所有限公司 | Thermoplastic elastomer and preparation method thereof, application and regenerated and recycled ABS plastic and preparation method thereof |
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