CN105255033A - Novel modified polystyrene abrasion-resistant composite plastic - Google Patents
Novel modified polystyrene abrasion-resistant composite plastic Download PDFInfo
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- CN105255033A CN105255033A CN201510691165.2A CN201510691165A CN105255033A CN 105255033 A CN105255033 A CN 105255033A CN 201510691165 A CN201510691165 A CN 201510691165A CN 105255033 A CN105255033 A CN 105255033A
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Abstract
The invention discloses novel modified polystyrene abrasion-resistant composite plastic which is prepared from polystyrene, thermoplastic styrene-butadiene rubber, acrylic ester, oil shale slag, modified calcium carbonate, a mixture of powdered aluminum and potash feldspar, lauryl sodium sulfate, a mixture of bentonite and kieselguhr, a dispersing agent, a plasticizer and a heat stabilizer. The novel modified polystyrene abrasion-resistant composite plastic is stable in quality, good in mechanical, physical and chemical property, and good in adaptability and economical efficiency. According to the novel modified polystyrene abrasion-resistant composite plastic, by adding modified oil shale, the impact strength of the composite material is improved, and the problem that stress cracking can happen to conventional polystyrene easily is solved. By adding the treated mixture of bentonite and kieselguhr in a matched mode, the comprehensive mechanical property of the composite plastic is greatly improved, and the service life of the composite material is prolonged. By adding the calcium carbonate modified by calcium stearate and styrene-acrylic emulsion, the bending strength of the material can be greatly improved, the flexural modulus of the material can be greatly increased, the shock resistance is enhanced, and the processing fluidity is improved.
Description
Technical field
The present invention relates to plastic production field, particularly relate to the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl.
Background technology
Polystyrene (Polystyrene, abbreviation PS) refers to the polymkeric substance synthesized through free radical polymerization by styrene monomer, and it is a kind of water white thermoplastics.The polystyrene that existing technology is produced exists that physicals is crisp, shock strength is low, easily occur the problem such as stress cracking, poor heat resistance, and existing modified formula well can not solve the problem and there is the higher shortcoming being unsuitable for suitability for industrialized production of cost.
Summary of the invention
The object of this invention is to provide the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl, be achieved through the following technical solutions:
The ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl, is made up of following composition: polystyrene 86 parts, thermoplastic styrene butadiene rubber 16 parts, acrylate 15 parts, oil shale waste 6 parts, modified calcium carbonate 4 parts, aluminium powder and 3 parts, potassium felspar sand mixture, sodium lauryl sulphate 2 parts, wilkinite and 4 parts, diatomite mixture, dispersion agent 0.8 part, 0.3 part, softening agent, thermo-stabilizer 0.1 part by weight.
Further, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
Further, described oil shale waste is through pre-treatment, and stearic acid solution oil shale waste being put at 75-80 DEG C 3.5% concentration soaked after 1 hour, carried out drying, after carrying out roasting 30min, was crushed to 150 orders at 250 DEG C of temperature.
Further, described wilkinite and diatomite mixture are through process modification process: after adopting the hydrochloric acid soln of 5mol/L concentration to soak 1 hour, filter, adopt clear water to be washed till neutrality, then add the sodium hydroxide of wilkinite and diatomite mixture 1% weight, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described wilkinite mixes in 1:2 ratio with diatomite.
Further, described modified calcium carbonate preparation method is: being mixed with carbonic acid by calcium hydroxide at 90 DEG C and adding weight part is, after the calcium stearate of 0.1 part and the benzene emulsion of 0.2 part react 30min, prepare the calcium carbonate that weight part is 4 parts.
Further, aluminium powder mixes with the acrylic acid solution of 2.5% concentration after 180 DEG C of aerobics are calcined with potassium felspar sand mixture again, constant temperature process 1-1.5 hour at 85-95 DEG C, filters, dry; Described aluminium powder mixes in 3:2 ratio with potassium felspar sand.
Further, the potassium permanganate of thermoplastic styrene butadiene rubber with its weight 0.5% is mixed, process 45 minutes at 8MPa pressure, 110 DEG C of temperature after, be cooled to room temperature.
Further, when composite plastic is prepared in processing, first polystyrene is mixed with sodium lauryl sulphate and add in twin screw extruder after 30 minutes, then add other composition.
The invention has the beneficial effects as follows: steady quality of the present invention, mechanical-physical chemical property are good, have good adaptability, economy.By adding through modified resinous shale in the present invention, improve the shock strength of matrix material, avoiding the problem that stress cracking easily appears in normal polystyrene.By coordinating the wilkinite after adding process and diatomite mixture, greatly improving the comprehensive mechanical property of composite plastic, improving the life-span of matrix material.Material bending intensity and modulus in flexure can greatly be improved by adding the calcium carbonate after calcium stearate and Modification of Styrene-Acrylate Emulsion in the present invention, strengthening shock resistance, improving its processing flowability.By coordinating the mixture of the aluminium powder after adding process and potassium felspar sand, the wear resistance of matrix material can be improved, improve the over-all properties of material comprehensively.
Embodiment
The ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl, is made up of following composition: polystyrene 86 parts, thermoplastic styrene butadiene rubber 16 parts, acrylate 15 parts, oil shale waste 6 parts, modified calcium carbonate 4 parts, aluminium powder and 3 parts, potassium felspar sand mixture, sodium lauryl sulphate 2 parts, wilkinite and 4 parts, diatomite mixture, dispersion agent 0.8 part, 0.3 part, softening agent, thermo-stabilizer 0.1 part by weight.
Further, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
Further, described oil shale waste is through pre-treatment, and stearic acid solution oil shale waste being put at 75-80 DEG C 3.5% concentration soaked after 1 hour, carried out drying, after carrying out roasting 30min, was crushed to 150 orders at 250 DEG C of temperature.
Further, described wilkinite and diatomite mixture are through process modification process: after adopting the hydrochloric acid soln of 5mol/L concentration to soak 1 hour, filter, adopt clear water to be washed till neutrality, then add the sodium hydroxide of wilkinite and diatomite mixture 1% weight, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described wilkinite mixes in 1:2 ratio with diatomite.
Further, described modified calcium carbonate preparation method is: being mixed with carbonic acid by calcium hydroxide at 90 DEG C and adding weight part is, after the calcium stearate of 0.1 part and the benzene emulsion of 0.2 part react 30min, prepare the calcium carbonate that weight part is 4 parts.
Further, aluminium powder mixes with the acrylic acid solution of 2.5% concentration after 180 DEG C of aerobics are calcined with potassium felspar sand mixture again, constant temperature process 1-1.5 hour at 85-95 DEG C, filters, dry; Described aluminium powder mixes in 3:2 ratio with potassium felspar sand.
Further, the potassium permanganate of thermoplastic styrene butadiene rubber with its weight 0.5% is mixed, process 45 minutes at 8MPa pressure, 110 DEG C of temperature after, be cooled to room temperature.
Further, when composite plastic is prepared in processing, first polystyrene is mixed with sodium lauryl sulphate and add in twin screw extruder after 30 minutes, then add other composition.
The performance parameters of modification composite plastic of the present invention:
| Density g/cm3 | Elongation at break % | Dielectric strength MV/m | Low-temperature impact embrittlement temperature DEG C | |
| Composite plastic of the present invention | 1.18 | 304.3 | 18.85 | ≤-22 |
Table 1
Modification composite plastic of the present invention performance test:
Table 2
Note: composition forms with composite plastic of the present invention completely the same without the composite plastic composition of special processing, preparation method is also identical, unique difference is that wilkinite and diatomite mixture, resinous shale, calcium carbonate, aluminium powder and potassium felspar sand are without process, directly adds and prepares plastics;
As can be seen from Table 2, composite plastic of the present invention is much more superior than general polystyrene plastic in performance.
Claims (8)
1. the ethylene modified wear-resisting composite plastic of novel polyphenyl, it is characterized in that, be made up of following composition by weight: polystyrene 86 parts, thermoplastic styrene butadiene rubber 16 parts, acrylate 15 parts, oil shale waste 6 parts, modified calcium carbonate 4 parts, aluminium powder and 3 parts, potassium felspar sand mixture, sodium lauryl sulphate 2 parts, wilkinite and 4 parts, diatomite mixture, dispersion agent 0.8 part, 0.3 part, softening agent, thermo-stabilizer 0.1 part.
2. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, is characterized in that, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
3. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, it is characterized in that, described oil shale waste is through pre-treatment, stearic acid solution oil shale waste being put at 75-80 DEG C 3.5% concentration soaks after 1 hour, carry out drying, carry out roasting 30min at 250 DEG C of temperature after, be crushed to 150 orders.
4. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, it is characterized in that, described wilkinite and diatomite mixture are through process modification process: after adopting the hydrochloric acid soln of 5mol/L concentration to soak 1 hour, filter, clear water is adopted to be washed till neutrality, add the sodium hydroxide of wilkinite and diatomite mixture 1% weight again, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described wilkinite mixes in 1:2 ratio with diatomite.
5. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, it is characterized in that, described modified calcium carbonate preparation method is: being mixed with carbonic acid by calcium hydroxide at 90 DEG C and adding weight part is, after the calcium stearate of 0.1 part and the benzene emulsion of 0.2 part react 30min, prepare the calcium carbonate that weight part is 4 parts.
6. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, it is characterized in that, aluminium powder mixes with the acrylic acid solution of 2.5% concentration after 180 DEG C of aerobics are calcined with potassium felspar sand mixture again, constant temperature process 1-1.5 hour at 85-95 DEG C, filter, dry; Described aluminium powder mixes in 3:2 ratio with potassium felspar sand.
7. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, is characterized in that, is mixed by the potassium permanganate of thermoplastic styrene butadiene rubber with its weight 0.5%, after processing 45 minutes, is cooled to room temperature at 8MPa pressure, 110 DEG C of temperature.
8. the ethylene modified wear-resisting composite plastic of a kind of novel polyphenyl according to claim 1, it is characterized in that, when composite plastic is prepared in processing, first polystyrene is mixed with sodium lauryl sulphate and add in twin screw extruder after 30 minutes, then add other composition.
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| CN201510691165.2A CN105255033A (en) | 2015-10-23 | 2015-10-23 | Novel modified polystyrene abrasion-resistant composite plastic |
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| CN201510691165.2A CN105255033A (en) | 2015-10-23 | 2015-10-23 | Novel modified polystyrene abrasion-resistant composite plastic |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482283A (en) * | 2016-01-26 | 2016-04-13 | 苏州羽帆新材料科技有限公司 | Abrasion-resistant anti-aging plastic material and preparing method thereof |
| CN106832638A (en) * | 2017-03-09 | 2017-06-13 | 安徽机电职业技术学院 | A kind of automobile-used ion improved light weight plastic material and preparation method thereof |
| CN106902769A (en) * | 2017-03-10 | 2017-06-30 | 安徽机电职业技术学院 | A kind of automotive trim preparation method of absorbent-type material |
| CN115504700A (en) * | 2022-09-29 | 2022-12-23 | 西南石油大学 | Preparation method of oil well cement expanding agent |
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| CN1513918A (en) * | 2002-12-31 | 2004-07-21 | 中国石油化工股份有限公司 | Wood plastic composite material and its preparation method and application |
| CN104004279A (en) * | 2014-01-19 | 2014-08-27 | 温州澳浦实业有限公司 | High gloss modified polystyrene and preparation method thereof |
| CN104004287A (en) * | 2014-06-12 | 2014-08-27 | 吴永刚 | Regenerated polystyrene flame-retardant toughening modification material and preparation method thereof |
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2015
- 2015-10-23 CN CN201510691165.2A patent/CN105255033A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513918A (en) * | 2002-12-31 | 2004-07-21 | 中国石油化工股份有限公司 | Wood plastic composite material and its preparation method and application |
| CN104004279A (en) * | 2014-01-19 | 2014-08-27 | 温州澳浦实业有限公司 | High gloss modified polystyrene and preparation method thereof |
| CN104004287A (en) * | 2014-06-12 | 2014-08-27 | 吴永刚 | Regenerated polystyrene flame-retardant toughening modification material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482283A (en) * | 2016-01-26 | 2016-04-13 | 苏州羽帆新材料科技有限公司 | Abrasion-resistant anti-aging plastic material and preparing method thereof |
| CN106832638A (en) * | 2017-03-09 | 2017-06-13 | 安徽机电职业技术学院 | A kind of automobile-used ion improved light weight plastic material and preparation method thereof |
| CN106902769A (en) * | 2017-03-10 | 2017-06-30 | 安徽机电职业技术学院 | A kind of automotive trim preparation method of absorbent-type material |
| CN115504700A (en) * | 2022-09-29 | 2022-12-23 | 西南石油大学 | Preparation method of oil well cement expanding agent |
| CN115504700B (en) * | 2022-09-29 | 2023-06-27 | 西南石油大学 | Preparation method of oil well cement expanding agent |
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