CN105199252A - Method for producing polystyrene extruded sheet profiled bar through carbon dioxide foaming agent - Google Patents
Method for producing polystyrene extruded sheet profiled bar through carbon dioxide foaming agent Download PDFInfo
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- CN105199252A CN105199252A CN201510357029.XA CN201510357029A CN105199252A CN 105199252 A CN105199252 A CN 105199252A CN 201510357029 A CN201510357029 A CN 201510357029A CN 105199252 A CN105199252 A CN 105199252A
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- polystyrene
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Abstract
The invention discloses a method for producing a polystyrene extruded sheet profiled bar through a carbon dioxide foaming agent. The method includes the following steps: taking a polystyrene melt as the main component, and taking carbon dioxide as a polymer melt of the foaming agent, and simultaneously adding the two objects into an extruder according to a certain proportion to form a polymer melt; injecting carbon dioxide from the middle section of the extruder to the melt through a foaming agent injection system to form foamable gelatin; along with the forward conveying of the melt, and under the shearing action of a screw, fully mixing the foaming agent with the polystyrene melt; performing mixing and temperature reduction and cooling to the polymer melt through a heat exchanger, so as to reduce the temperature of the gelatin to the optimal foaming temperature; extruding the cooled gelatin through a die with required shapes to form the polystyrene extruded sheet profiled bar. The method for producing the polystyrene extruded sheet profiled bar through the carbon dioxide foaming agent, provided by the invention, is economic and environment-friendly, is simple in technology, and has excellent market prospect.
Description
Technical field
The present invention relates to a kind of production formula, processing method of polystyrene extruded sheet profiled material, particularly relate to a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material.
Background technology
The line plate material being widely used in house decoraton at present on the market has wooden, gypsum, stainless steel, plastics etc., wherein wooden, gypsum has higher density with the line plate of stainless steel with comparing of plastic material, be unfavorable for the installation of line plate, the wooden deformation that easily absorbs water with gypsum material sheet material, and its price also unfavorable factor such as costly.Plastics are Expandable Polystyrene (EPS) (EPS) finishing material mainly, it has light weight, the economic environmental protection of reusable edible etc. a little, but this material has surface irregularity compared with polystyrene extruded sheet (XPS), production efficiency is low, thermal conductivity is high, anti-pressure ability is weak, needs a series of shortcomings such as post-processed.When being used alone production polystyrene extruded sheet with lower boiling carbonic acid gas as whipping agent, very high to the pressure requirements of system, common equipment is difficult to accomplish, polystyrene extruded sheet profiled material is different from the equally simple surface structure of usual extruded sheet, extrusion system internal pressure balance is difficult to obtain, and need to obtain ganoid sheet material and also have suitable difficulty, therefore develop polystyrene extruded sheet (XPS) profiled material and there are good market outlook.
Summary of the invention
The house decoraton line engraving various deficiencies in use of the present stage that the object of the invention is carried for background technology, thering is provided a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material, is a kind of production method of polystyrene extruded sheet profiled material straight forming.
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material of the present invention is achieved through the following technical solutions:
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material, it is characterized in that: the method is that main ingredient, carbonic acid gas are as the polymer melt of whipping agent with polystyrene melt, prepare the polystyrene extruded sheet profiled material extruded, wherein parts by weight of raw materials proportioning:
Polystyrene 100 parts
Carbonic acid gas 1.5 ~ 2.5 parts
Processing aid 4 ~ 10 parts
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material is as follows:
(1) granules of polystyrene and processing aid join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system according to above-mentioned weight ratio simultaneously, setting extruder system temperature is 200 ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) by carbon dioxide injection forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under the polystyrene melt of gel and the step (1) of step (2) twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 ~ 130 DEG C, forms polymer gel;
(5) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
Described polystyrene is virgin material, and melting index is 1.6 ~ 5g/10min.
Described processing aid comprises nucleator, look mother or toner, fire retardant and releasing agent.
Described releasing agent is injected at the middle part of heat exchanger and mouth mould linkage section by releasing agent injected system, and injection pressure is 4 ~ 6MPa.
Described releasing agent comprises one in organism releasing agent glycerine and superpolymer releasing agent silicone oil, estersil or its mixture.
Described nucleator is talcum powder, and described fire retardant is ring hexabromo dodecane, and described look mother or toner color are yellow, blue or red.
The invention has the beneficial effects as follows:
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material provided by the invention, make blown with carbon dioxide produce polystyrene extruded sheet profiled material to be achieved, the present invention improves foam process, first screw rod is designed, add backflash to improve the mixed of material, do a large amount of experiments and obtained the experimental data of a series of material add-on, screw speed and extrusion system each section of temperature setting to system pressure, determine best processing parameter; Have employed releasing agent simultaneously and help polystyrene gel smoothly by mouth mould, improve the apparent property of goods, releasing agent and releasing agent injected system are improved, make it more be beneficial to the control of technique.
Embodiment:
In order to make content of the present invention more easily and be expressly understood, below according to specific embodiment, the present invention is further detailed explanation.
Embodiment 1:
(1) granules of polystyrene 100Kg and processing aid talcum powder 2.5Kg, ring hexabromo dodecane 1.5Kg, blue masterbatch 0.5Kg join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system simultaneously, setting extruder system temperature is 200 DEG C ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) get carbonic acid gas 1.5Kg and inject forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under above-mentioned gel and polystyrene melt twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 DEG C, forms polymer gel;
(5) releasing agent squeezes into system by releasing agent injected system in the middle part of the linkage section in the middle of heat exchanger and mouth mould, and injection pressure is 4 ~ 6MPa, to improve the apparent property of goods;
(6) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
Embodiment 2:
(1) granules of polystyrene 100Kg and processing aid talcum powder 4Kg, ring hexabromo dodecane 2.5Kg, red female 1.5Kg join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system simultaneously, setting extruder system temperature is 200 DEG C ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) get carbonic acid gas 1.5Kg and inject forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under above-mentioned gel and polystyrene melt twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 DEG C, forms polymer gel;
(5) releasing agent squeezes into system by releasing agent injected system in the middle part of the linkage section in the middle of heat exchanger and mouth mould, and injection pressure is 4 ~ 6MPa, to improve the apparent property of goods;
(6) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
Embodiment 3:
(1) granules of polystyrene 100Kg and processing aid talcum powder 2.5Kg, ring hexabromo dodecane 1.5Kg, blue masterbatch 0.5Kg join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system simultaneously, setting extruder system temperature is 200 DEG C ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) get carbonic acid gas 2.5Kg and inject forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under above-mentioned gel and polystyrene melt twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 DEG C, forms polymer gel;
(5) releasing agent squeezes into system by releasing agent injected system in the middle part of the linkage section in the middle of heat exchanger and mouth mould, and injection pressure is 4 ~ 6MPa, to improve the apparent property of goods;
(6) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
Embodiment 4:
(1) granules of polystyrene 100Kg and processing aid talcum powder 4.5Kg, ring hexabromo dodecane 3.5Kg, blue masterbatch 2Kg join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system simultaneously, setting extruder system temperature is 200 DEG C ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) get carbonic acid gas 1.5Kg and inject forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under above-mentioned gel and polystyrene melt twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 DEG C, forms polymer gel;
(5) releasing agent squeezes into system by releasing agent injected system in the middle part of the linkage section in the middle of heat exchanger and mouth mould, and injection pressure is 4 ~ 6MPa, to improve the apparent property of goods;
(6) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
Embodiment 5:
(1) granules of polystyrene 100Kg and processing aid talcum powder 2.5Kg, ring hexabromo dodecane 1.5Kg, yellow female 1Kg join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system simultaneously, setting extruder system temperature is 200 DEG C ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) get carbonic acid gas 2.5Kg and inject forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under above-mentioned gel and polystyrene melt twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 DEG C, forms polymer gel;
(5) releasing agent squeezes into system by releasing agent injected system in the middle part of the linkage section in the middle of heat exchanger and mouth mould, and injection pressure is 4 ~ 6MPa, to improve the apparent property of goods;
(6) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material provided by the invention, make blown with carbon dioxide produce polystyrene extruded sheet profiled material to be achieved, the present invention improves foam process, first screw rod is designed, add backflash to improve the mixed of material, do a large amount of experiments and obtained the experimental data of a series of material add-on, screw speed and extrusion system each section of temperature setting to system pressure, determine best processing parameter; Have employed releasing agent simultaneously and help polystyrene gel smoothly by mouth mould, improve the apparent property of goods, releasing agent and releasing agent injected system are improved, make it more be beneficial to the control of technique.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material, it is characterized in that: the method is that main ingredient, carbonic acid gas are as the polymer melt of whipping agent with polystyrene melt, prepare the polystyrene extruded sheet profiled material extruded, wherein parts by weight of raw materials proportioning:
Polystyrene 100 parts
Carbonic acid gas 1.5 ~ 2.5 parts
Processing aid 4 ~ 10 parts
A kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material is as follows:
(1) granules of polystyrene and processing aid join in forcing machine respectively by unit of vacuum material-suction system and powder feeding system according to above-mentioned weight ratio simultaneously, setting extruder system temperature is 200 ~ 240 DEG C, make granules of polystyrene and the abundant melting of processing aid and mixing, form polystyrene melt;
(2) by carbon dioxide injection forcing machine, injection pressure is 16 ~ 20MPa, forms foamable gel;
(3) fully mix under the polystyrene melt of gel and the step (1) of step (2) twin screw shearing action in an extruder, material is lowered the temperature gradually in the process be fed forward;
(4) mixture of step (3) is sent into heat exchanger, arranging system pressure is 10 ~ 15MPa, through mixing and the cooling down of over-heat-exchanger, makes mixture temperature be down to 110 ~ 130 DEG C, forms polymer gel;
(5) polymer gel of step (4) can be formed polystyrene extruded sheet profiled material by the die extrusion of specified shape.
2. a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material according to claim 1, it is characterized in that: described polystyrene is virgin material, melting index is 1.6 ~ 5g/10min.
3. a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material according to claim 1, is characterized in that: described processing aid comprises nucleator, look mother or toner, fire retardant and releasing agent.
4. a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material according to claim 3, it is characterized in that: described releasing agent is injected at the middle part of heat exchanger and mouth mould linkage section by releasing agent injected system, and injection pressure is 4 ~ 6MPa.
5. a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material according to claim 3, is characterized in that: described releasing agent comprises one in organism releasing agent glycerine and superpolymer releasing agent silicone oil, estersil or its mixture.
6. a kind of method adopting carbon dioxide foaming agent to produce polystyrene extruded sheet profiled material according to claim 3, it is characterized in that: described nucleator is talcum powder, described fire retardant is ring hexabromo dodecane, and described look mother or toner color are yellow, blue or red.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510357029.XA CN105199252A (en) | 2015-06-25 | 2015-06-25 | Method for producing polystyrene extruded sheet profiled bar through carbon dioxide foaming agent |
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| CN201510357029.XA CN105199252A (en) | 2015-06-25 | 2015-06-25 | Method for producing polystyrene extruded sheet profiled bar through carbon dioxide foaming agent |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647044A (en) * | 2016-03-10 | 2016-06-08 | 南京法宁格节能科技股份有限公司 | Polystyrene composition and method using polystyrene composition to prepare XPS profiled decoration bars |
| CN107337865A (en) * | 2017-06-16 | 2017-11-10 | 南京欧格节能环保科技有限公司 | A kind of high intensity polystyrene extruded sheet |
| CN107641260A (en) * | 2017-08-11 | 2018-01-30 | 深圳市嘉良保温材料有限公司 | A kind of extruded sheet and extrusion molding board fabrication method |
| CN107778681A (en) * | 2016-08-31 | 2018-03-09 | 王明忠 | A kind of high insulating extruded board of low heat conduction and preparation method thereof |
| CN110003581A (en) * | 2019-04-23 | 2019-07-12 | 太仓幕阳节能科技有限公司 | A kind of novel XPS plastic extrusion heated board and preparation method thereof |
| CN112280204A (en) * | 2020-10-31 | 2021-01-29 | 三益(玉田)新材料科技有限公司 | Polystyrene extruded sheet and preparation process thereof |
| CN112959584A (en) * | 2021-02-02 | 2021-06-15 | 青岛海岸阳光新型建材有限公司 | Processing technology of plastic extrusion insulation board |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647044A (en) * | 2016-03-10 | 2016-06-08 | 南京法宁格节能科技股份有限公司 | Polystyrene composition and method using polystyrene composition to prepare XPS profiled decoration bars |
| CN107778681A (en) * | 2016-08-31 | 2018-03-09 | 王明忠 | A kind of high insulating extruded board of low heat conduction and preparation method thereof |
| CN107337865A (en) * | 2017-06-16 | 2017-11-10 | 南京欧格节能环保科技有限公司 | A kind of high intensity polystyrene extruded sheet |
| CN107641260A (en) * | 2017-08-11 | 2018-01-30 | 深圳市嘉良保温材料有限公司 | A kind of extruded sheet and extrusion molding board fabrication method |
| CN110003581A (en) * | 2019-04-23 | 2019-07-12 | 太仓幕阳节能科技有限公司 | A kind of novel XPS plastic extrusion heated board and preparation method thereof |
| CN112280204A (en) * | 2020-10-31 | 2021-01-29 | 三益(玉田)新材料科技有限公司 | Polystyrene extruded sheet and preparation process thereof |
| CN112959584A (en) * | 2021-02-02 | 2021-06-15 | 青岛海岸阳光新型建材有限公司 | Processing technology of plastic extrusion insulation board |
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