CN104961989A - Polystyrene modified plastic and preparation method thereof - Google Patents
Polystyrene modified plastic and preparation method thereof Download PDFInfo
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- CN104961989A CN104961989A CN201510455052.2A CN201510455052A CN104961989A CN 104961989 A CN104961989 A CN 104961989A CN 201510455052 A CN201510455052 A CN 201510455052A CN 104961989 A CN104961989 A CN 104961989A
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Abstract
The invention discloses a polystyrene modified plastic which comprises the following components in percentage by weight: 70-78% of polystyrene, 7-12% of polycarbonate, 10-12% of inorganic nanoparticle, 0.7-1.5% of coupling agent, 0.7-1.5% of antioxidant, 0.7-1.5% of filler, 0.7-1.5% of lubricant and 0-1% of color master batch, totaling 100%. The polystyrene modified plastic has reasonable formula design. The produced modified polystyrene has the advantages of high impact resistance, favorable heat resistance and frictional resistance.
Description
Technical field
The present invention relates to modified plastics field, be specifically related to formula of a kind of polystyrene modified plastic and preparation method thereof.
Background technology
Modified plastics is the intermediates in petrochemical industry chain, and along with people's improving constantly material performance requirement, China is just becoming the maximum potential market of global modified plastics and major demands motive force of growth.
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 the invention is to overcome the deficiencies in the prior art, formula of a kind of polystyrene modified plastic and preparation method thereof is provided.
The formula of polystyrene modified plastic of the present invention, comprise following component by weight percentage: polystyrene 70-78%, polycarbonate 7-12%, inorganic nano-particle 10-12%, coupling agent 0.7-1.5%, oxidation inhibitor 0.7-1.5%, weighting agent 0.7-1.5%, lubricant 0.7-1.5% and look female 0-1%, each component institute amount of peek sum equals 100%.
Preferably, the formula of polystyrene modified plastic comprises following component by weight percentage: polystyrene 74%, polycarbonate 9%, inorganic nano-particle 11%, coupling agent 1.5%, oxidation inhibitor 1.5%, weighting agent 1.5%, lubricant 1.2% and look mother 0.3%, and each component institute amount of peek sum equals 100%.
Preferably, described inorganic nano-particle is polynite, nano silicon, nano kaoline or nano-titania particle.Described oxidation inhibitor is butylated hydroxytoluene, and described lubricant is calcium stearate, oxidized polyethlene wax or tetrafluoroethylene super-fine powder.Described lubricant to be proportioning be calcium stearate, oxidized polyethlene wax and tetrafluoroethylene super-fine powder is according to the composite mixture of 1:2:1 weight ratio.Described inorganic nano-particle is nano silicon and nano-titania particle according to the composite mixture of 1:1.2 weight ratio.
Present invention also offers the preparation method of polystyrene modified plastic, comprise the following steps:
Step one: get polystyrene by component formula and polycarbonate is added to Twin screw extruder melt blending, Heating temperature is 240-280 DEG C, obtains the blend of molten state.
Step 2: inorganic nano-particle, coupling agent, oxidation inhibitor, weighting agent, lubricant and look mother is added in the blend of above-mentioned molten state, and fully stirs 30-120min; Thus avoid the reunion of inorganic nano-particle, ensure that it is dispersed.
Step 3: the blend of step 2 is extruded by Twin screw extruder, water-cooled, pelletizing, is drying to obtain finished product.
The present invention compared with prior art, has the following advantages.
The present invention have formulating of recipe rationally, the modified polystyrene of producing has the good and advantage of rub resistance power of strong shock resistance, resistance toheat.While the tensile strength not affecting bulk modified plastics, flexibility and the shock resistance of polystyrene is improved by polycarbonate, by cooperatively interacting of inorganic nano-particle and coupling agent, significantly can improve the resistance toheat of modified plastics and that frictional behaviour and improve thermal fluidity, the proportioning of each component of formula of the present invention, on the basis of performance ensureing bulk modified plastics, reduces the cost manufactured.
Embodiment
Below in conjunction with embodiment the present invention will be further explained explanation.
Embodiment 1 prepares polystyrene modified plastic
The preparation method of the present embodiment polystyrene modified plastic, comprises the following steps:
Step one: get the polystyrene of 70% by component formula and the polycarbonate of 12% is added to Twin screw extruder melt blending, Heating temperature is 240 DEG C, obtains the blend of molten state.
Step 2: by the nano silicon of 12%, 1.5% coupling agent, the oxidation inhibitor of 1.5%, the weighting agent of 1.5% and 1.5% lubricant be added in the blend of above-mentioned molten state, and fully stir 30-120min; Thus avoid the reunion of inorganic nano-particle, ensure that it fully disperses.
Step 3: the blend of step 2 is extruded by Twin screw extruder, water-cooled, pelletizing, is drying to obtain finished product.The test tensile strength of finished product is not less than 23Mpa, and flexural strength is not less than 36.7Mpa.
Embodiment 2 prepares polystyrene modified plastic
The preparation method of the present embodiment polystyrene modified plastic, comprises the following steps:
Step one: get the polystyrene of 78% by component formula and the polycarbonate of 7% is added to Twin screw extruder melt blending, Heating temperature is 280 DEG C, obtains the blend of molten state.
Step 2: the nano kaoline of 10%, the coupling agent of 1.2%, oxidation inhibitor, the weighting agent of 0.9%, the lubricant of 0.9% and the 1% look mother of 1% are added in the blend of above-mentioned molten state, and fully stir 30-120min; Thus avoid the reunion of inorganic nano-particle, ensure that it fully disperses.
Step 3: the blend of step 2 is extruded by Twin screw extruder, water-cooled, pelletizing, is drying to obtain finished product.The test tensile strength of finished product is not less than 23Mpa, and flexural strength is not less than 36.7Mpa.
Embodiment 3 prepares polystyrene modified plastic
The preparation method of the present embodiment polystyrene modified plastic, comprises the following steps:
Step one: get the polystyrene of 74% by component formula and the polycarbonate of 9% is added to Twin screw extruder melt blending, Heating temperature is 260 DEG C, obtains the blend of molten state.
Step 2: by the polynite of 11%, 1.5% coupling agent, the oxidation inhibitor of 1.5%, weighting agent, 1.2% lubricant and the 0.3% look mother of 1.5% be added in the blend of above-mentioned molten state, and fully stir 30-120min; Thus avoid the reunion of inorganic nano-particle, ensure that it fully disperses.
Step 3: the blend of step 2 is extruded by Twin screw extruder, water-cooled, pelletizing, is drying to obtain finished product.The test tensile strength of finished product is not less than 23Mpa, and flexural strength is not less than 36.7Mpa.
Foregoing is example of the present invention and explanation; but do not mean that the obtainable advantage of the present invention is so limited, may to wherein one or more of the advantage realized in the simple transformation of structure and/or some embodiments all in the protection domain of the application in every practice process of the present invention.
Claims (6)
1. the formula of a polystyrene modified plastic, it is characterized in that: comprise following component by weight percentage: polystyrene 70-78%, polycarbonate 7-12%, inorganic nano-particle 10-12%, coupling agent 0.7-1.5%, oxidation inhibitor 0.7-1.5%, weighting agent 0.7-1.5%, lubricant 0.7-1.5% and look female 0-1%, each component institute amount of peek sum equals 100%.
2. the formula of polystyrene modified plastic according to claim 1, it is characterized in that: comprise following component by weight percentage: polystyrene 74%, polycarbonate 9%, inorganic nano-particle 11%, coupling agent 1.5%, oxidation inhibitor 1.5%, weighting agent 1.5%, lubricant 1.2% and look mother 0.3%, each component institute amount of peek sum equals 100%.
3. the formula of polystyrene modified plastic according to claim 1, is characterized in that: described inorganic nano-particle is polynite, nano silicon, nano kaoline or nano-titania particle.
4. the formula of polystyrene modified plastic according to claim 1, is characterized in that: described oxidation inhibitor is butylated hydroxytoluene, and described lubricant is calcium stearate, oxidized polyethlene wax or tetrafluoroethylene super-fine powder.
5. the formula of polystyrene modified plastic according to claim 1, is characterized in that: described lubricant to be proportioning be calcium stearate, oxidized polyethlene wax and tetrafluoroethylene super-fine powder is according to the composite mixture of 1:2:1 weight ratio.
6., as the preparation method of the polystyrene modified plastic of claim 1-5 as described in any one, it is characterized in that: comprise the following steps:
Step one: get polystyrene by component formula and polycarbonate is added to Twin screw extruder melt blending, Heating temperature is 240-280 DEG C, obtains the blend of molten state;
Step 2: inorganic nano-particle, coupling agent, oxidation inhibitor, weighting agent, lubricant and look mother is added in the blend of above-mentioned molten state, and fully stirs 30-120min;
Step 3: the blend of step 2 is extruded by Twin screw extruder, water-cooled, pelletizing, is drying to obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510455052.2A CN104961989A (en) | 2015-07-30 | 2015-07-30 | Polystyrene modified plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510455052.2A CN104961989A (en) | 2015-07-30 | 2015-07-30 | Polystyrene modified plastic and preparation method thereof |
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| CN104961989A true CN104961989A (en) | 2015-10-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621606A (en) * | 2016-03-02 | 2016-06-01 | 上海交通大学 | Novel denitrification biological filter with light filtering material |
| CN106751086A (en) * | 2016-12-14 | 2017-05-31 | 宁德聚能动力电源系统技术有限公司 | A kind of polystyrene sheet material and preparation method thereof |
| CN107383664A (en) * | 2017-09-15 | 2017-11-24 | 安徽江淮汽车集团股份有限公司 | A kind of PS PC composites and preparation method thereof |
| CN108547390A (en) * | 2018-04-25 | 2018-09-18 | 温州正城建设有限公司 | A kind of building energy conservation formula house |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004003078A1 (en) * | 2002-06-27 | 2004-01-08 | Idemitsu Petrochemical Co., Ltd. | Polycarbonate resin composition and molding |
| CN102070853A (en) * | 2011-01-05 | 2011-05-25 | 广州市波斯塑胶颜料有限公司 | Foamed polystyrene curtain plate sheet and manufacturing method thereof |
| CN103131110A (en) * | 2011-11-29 | 2013-06-05 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding poly carbonate(PC)/poly styrene (PS) mixed alloy materials and manufacture method and purpose thereof |
-
2015
- 2015-07-30 CN CN201510455052.2A patent/CN104961989A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004003078A1 (en) * | 2002-06-27 | 2004-01-08 | Idemitsu Petrochemical Co., Ltd. | Polycarbonate resin composition and molding |
| CN102070853A (en) * | 2011-01-05 | 2011-05-25 | 广州市波斯塑胶颜料有限公司 | Foamed polystyrene curtain plate sheet and manufacturing method thereof |
| CN103131110A (en) * | 2011-11-29 | 2013-06-05 | 上海杰事杰新材料(集团)股份有限公司 | Inflaming retarding poly carbonate(PC)/poly styrene (PS) mixed alloy materials and manufacture method and purpose thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621606A (en) * | 2016-03-02 | 2016-06-01 | 上海交通大学 | Novel denitrification biological filter with light filtering material |
| CN106751086A (en) * | 2016-12-14 | 2017-05-31 | 宁德聚能动力电源系统技术有限公司 | A kind of polystyrene sheet material and preparation method thereof |
| CN106751086B (en) * | 2016-12-14 | 2018-11-30 | 宁德聚能动力电源系统技术有限公司 | A kind of polystyrene sheet material and preparation method thereof |
| CN107383664A (en) * | 2017-09-15 | 2017-11-24 | 安徽江淮汽车集团股份有限公司 | A kind of PS PC composites and preparation method thereof |
| CN108547390A (en) * | 2018-04-25 | 2018-09-18 | 温州正城建设有限公司 | A kind of building energy conservation formula house |
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Application publication date: 20151007 |
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