CN105255034A - Polystyrene modified composite plastic - Google Patents
Polystyrene modified composite plastic Download PDFInfo
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- CN105255034A CN105255034A CN201510691304.1A CN201510691304A CN105255034A CN 105255034 A CN105255034 A CN 105255034A CN 201510691304 A CN201510691304 A CN 201510691304A CN 105255034 A CN105255034 A CN 105255034A
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- composite plastic
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- calcium carbonate
- aluminium powder
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Abstract
The invention discloses polystyrene modified composite plastic which is prepared from polystyrene, thermoplastic Styrene-butadiene rubber, acrylate, modified calcium carbonate, lauryl sodium sulfate, mixtures of aluminium powder and potassium feldspar, dispersing agents, plasticizer and heat stabilizer. The polystyrene modified composite plastic is stable in quality and good in mechanical property and physical property and has good adaptability and economy. According to the polystyrene modified composite plastic, calcium carbonate modified by calcium stearate and styrene-acrylic emulsion is added, the bending strength and bending modulus of materials can be greatly improved, the impact resistance can be enhanced, and the processing flowability of the polystyrene modified composite plastic can be improved; the processed mixtures of aluminium powder and potassium feldspar is added in a matched mode, so that wear resistance of a composite material can be improved, and comprehensive performance of the material is improved comprehensively.
Description
Technical field
The present invention relates to plastic production field, particularly relate to a kind of Polystyrene composite plastic.
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 a kind of Polystyrene composite plastic, be achieved through the following technical solutions:
A kind of Polystyrene composite plastic, is made up of following composition: polystyrene 80 parts, thermoplastic styrene butadiene rubber 15 parts, acrylate 15 parts, modified calcium carbonate 4 parts, sodium lauryl sulphate 2 parts, aluminium powder and 3 parts, potassium felspar sand 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 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: (1) steady quality of the present invention, mechanical-physical chemical property are good, have good adaptability, economy.(2) 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.(3) 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
A kind of Polystyrene composite plastic, is made up of following composition: polystyrene 80 parts, thermoplastic styrene butadiene rubber 15 parts, acrylate 15 parts, modified calcium carbonate 4 parts, sodium lauryl sulphate 2 parts, aluminium powder and 3 parts, potassium felspar sand 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 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 | 1.14 | 301.2 | 18.56 | ≤-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, and preparation method is also identical, unique difference is that calcium carbonate, aluminium powder and potassium felspar sand mixture are without process, directly adds and prepares plastics;
Add the composite plastic composition adopting the calcium carbonate of usual way modification to make identical with the present invention with preparation method, unique difference is that the modified calcium carbonate adopted forms for adopting general calcium carbonate modified method modification.
As can be seen from Table 2, composite plastic of the present invention is much more superior than general polystyrene plastic in performance, adopts the performance impact of calcium carbonate to matrix material of different method of modifying modification very big.
Claims (6)
1. a Polystyrene composite plastic, it is characterized in that, be made up of following composition by weight: polystyrene 80 parts, thermoplastic styrene butadiene rubber 15 parts, acrylate 15 parts, modified calcium carbonate 4 parts, sodium lauryl sulphate 2 parts, aluminium powder and 3 parts, potassium felspar sand mixture, dispersion agent 0.8 part, 0.3 part, softening agent, thermo-stabilizer 0.1 part.
2. a kind of Polystyrene composite plastic 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. a kind of Polystyrene composite plastic 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.
4. a kind of Polystyrene composite plastic 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.
5. a kind of Polystyrene composite plastic 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.
6. a kind of Polystyrene composite plastic according to claim 1, is characterized in that, when composite plastic is prepared in processing, is first mixed with sodium lauryl sulphate by polystyrene and adds in twin screw extruder after 30 minutes, then add other composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691304.1A CN105255034A (en) | 2015-10-23 | 2015-10-23 | Polystyrene modified composite plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691304.1A CN105255034A (en) | 2015-10-23 | 2015-10-23 | Polystyrene modified composite plastic |
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| CN105255034A true CN105255034A (en) | 2016-01-20 |
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| CN201510691304.1A Pending CN105255034A (en) | 2015-10-23 | 2015-10-23 | Polystyrene modified composite plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837897A (en) * | 2016-04-26 | 2016-08-10 | 界首市锦丰塑业有限公司 | Modified polyethylene plastic |
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| CN101033315A (en) * | 2006-03-09 | 2007-09-12 | 中国石油化工股份有限公司 | High light polystyrene composition and preparing method thereof |
| CN102408639A (en) * | 2010-09-21 | 2012-04-11 | 中国石油天然气股份有限公司 | Impact-resistant polystyrene resin composition and preparation method thereof |
| CN102898734A (en) * | 2011-07-25 | 2013-01-30 | 中国石油天然气股份有限公司 | Polystyrene resin composition and preparation method thereof |
| CN103073907A (en) * | 2011-10-26 | 2013-05-01 | 中国石油化工股份有限公司 | Antibacterial thermoplastic plastic composition and preparation method thereof |
| 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 |
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
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2015
- 2015-10-23 CN CN201510691304.1A patent/CN105255034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033315A (en) * | 2006-03-09 | 2007-09-12 | 中国石油化工股份有限公司 | High light polystyrene composition and preparing method thereof |
| CN102408639A (en) * | 2010-09-21 | 2012-04-11 | 中国石油天然气股份有限公司 | Impact-resistant polystyrene resin composition and preparation method thereof |
| CN102898734A (en) * | 2011-07-25 | 2013-01-30 | 中国石油天然气股份有限公司 | Polystyrene resin composition and preparation method thereof |
| CN103073907A (en) * | 2011-10-26 | 2013-05-01 | 中国石油化工股份有限公司 | Antibacterial thermoplastic plastic composition and preparation method thereof |
| 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 |
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837897A (en) * | 2016-04-26 | 2016-08-10 | 界首市锦丰塑业有限公司 | Modified polyethylene plastic |
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