CN109776983A - A kind of graphene EPS and preparation method thereof - Google Patents
A kind of graphene EPS and preparation method thereof Download PDFInfo
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- CN109776983A CN109776983A CN201910119533.4A CN201910119533A CN109776983A CN 109776983 A CN109776983 A CN 109776983A CN 201910119533 A CN201910119533 A CN 201910119533A CN 109776983 A CN109776983 A CN 109776983A
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Abstract
The invention discloses a kind of graphene EPS and preparation method thereof, it is made of following parts by weight material: polystyrene 30-35 parts by weight, foaming agent 2-3 parts by weight, antibacterial plastic concentrate 10-15 parts by weight, graphene oxide 15-25 parts by weight, dispersing agent 2-4 parts by weight, adjuvant resin 15-18 parts by weight, specifically the preparation method is as follows: step 1: by granules of polystyrene, antibacterial plastic concentrate and adjuvant resin particle send to reaction kettle and are mixed, stirring is gradually warmed up with 350-420 DEG C of stirring, obtain hybrid resin, dimethylbenzene is sequentially added after 60-65min, isooctane and fragrant hydrocarbon are puddled, obtain resin compound；Step 2: graphene oxide is subjected to the adjustment of ultra-fine grinding precision by airslide disintegrating mill, and the pulverization process that dispersant weight part carries out 4-5h is added, obtains the graphene oxide superfine powder that powder particle size is 0.2 μm -0.3 μm.Foaming when have it is nontoxic, it is free from environmental pollution, interfacial tension effect, volatility is low, the good feature of self-contained nuclear capability.
Description
Technical field
The invention belongs to polystyrene foam technical fields, and in particular to a kind of graphene EPS and preparation method thereof.
Background technique
Traditional polystyrene foam makes suspicious chemical blowing agent method production, such as freon, azo dicarbonamide or sulphur
Acid imide urea etc., in foaming, there are the shorts of electricity of volatile, toxic, easy residual and pollution environment, and traditional foaming method is easily led
The excessive swelling fracture of bubble is caused, to destroy its specification that foams.
Summary of the invention
The purpose of the present invention is to provide a kind of graphene EPS and preparation method thereof, to solve to mention in above-mentioned background technique
Traditional polystyrene foam out makes suspicious chemical blowing agent method production, as freon, azo dicarbonamide or sulphonyl are sub-
Amine urea etc., in foaming, there are the shorts of electricity of volatile, toxic, easy residual and pollution environment, and traditional foaming method easily leads to gas
Excessive swelling fracture is steeped, thus the problem of destroying its foaming specification.
To achieve the above object, the invention provides the following technical scheme: a kind of graphene EPS and preparation method thereof, by with
Lower parts by weight material is made: polystyrene 30-35 parts by weight, foaming agent 2-3 parts by weight, antibacterial plastic concentrate 10-15 parts by weight, oxidation
Graphene 15-25 parts by weight, dispersing agent 2-4 parts by weight, adjuvant resin 15-18 parts by weight.
It is specific the preparation method is as follows:
Step 1: granules of polystyrene, antibacterial plastic concentrate and adjuvant resin particle are sent to reaction kettle and are mixed, with 350-
420 DEG C of stirrings are gradually warmed up stirring, obtain hybrid resin, and it is mixed that dimethylbenzene, isooctane and fragrant hydrocarbon are sequentially added after 60-65min
It mixes, obtains resin compound.
Step 2: graphene oxide is subjected to the adjustment of ultra-fine grinding precision by airslide disintegrating mill, and dispersing agent weight is added
The pulverization process that part carries out 4-5h is measured, the graphene oxide superfine powder that powder particle size is 0.2 μm -0.3 μm is obtained.
Step 3: resin compound vacuum drying, steam stripping, washing or the Combined Treatment method that step 1 is obtained are to mixed
It closes material and carries out removal of impurities processing, then be passed to plastics grit maker and be processed as resin particle object.
Step 4: by the resin particle object that step 3 obtains and graphene oxide superfine powder and foaming agent that step 2 obtains
Parts by weight pass through extruding machine after being sufficiently mixed and carry out extrusion molding processing according to the mold of required specification, obtain graphene EPS extrusion molding bubble
Foam semi-finished product.
Step 5: being that viscous stick of base is squeezed in the graphene EPS that step 4 obtains by acid and alkali-resistance glass filled nylon woven cloth
Foam surface of semi-finished is moulded, then silicon rubber waterproof coating is sprayed to its surface, makes it have waterproof performance.
Step 6: carrying out overlay film work to step 5 treated graphene EPS extrusion molding foam surface by laminating machine,
Its surface covers water proof type bacteriostatic film, obtains graphene EPS extrusion molding foam finished product.
Further, the adjuvant resin in the step 1 is polypropylene, polytetrafluoroethylene (PTFE) and ABS, and polypropylene, poly- four
Proportion between vinyl fluoride and ABS is 2:1:1.
Further, metallic nickel, and metallic nickel and oxidation stone is added in the step 2 in graphene oxide crushing process
The proportion of black alkene powder is 1:0.01.
Further, the foaming agent of the step 4 is supercritical carbon dioxide.
Further, the water proof type bacteriostatic film in the step 6 is by polycarbonate, antistatic agent, levelling agent, antimicrobial fluid
It is made with polypropylene fusion, and polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and polyacrylic use match as 1:0.01:
0.01:0.02:2, the water proof type bacteriostatic film with a thickness of 0.08-0.15cm.
Compared with prior art, the beneficial effects of the present invention are: having nontoxic, free from environmental pollution, interface in foaming
Power effect, volatility is low, the good feature of self-contained nuclear capability, and more evenly, and low manufacture cost has excellent for stomata dispersion when foaming
The characteristics of antibacterial effect, fire line and waterproofness, with good heat resistance, heat insulation effect is higher, and impact resistance, heat-resisting
Property, lower temperature resistance, chemical resistance greatly improve, and by the addition of antibacterial plastic concentrate and antimicrobial fluid, substantially increase plastic mold
Have the bacteriostasis antibiosis effect of itself, improves the service life of graphene EPS outdoors, it is strong relative to common foaming method
Degree effectively improves 19.7%, and inoxidizability improves 25%, and resistance to compression degree improves 28MPa, can satisfy industrialization large-scale production
It is required that product has splendid using effect and great market popularization value.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of graphene EPS and preparation method thereof, is made of following parts by weight material: 30 parts by weight of polystyrene, foaming
2 parts by weight of agent, 10 parts by weight of antibacterial plastic concentrate, 15 parts by weight of graphene oxide, 2 parts by weight of dispersing agent, 15 parts by weight of adjuvant resin.
It is specific the preparation method is as follows:
Step 1: granules of polystyrene, antibacterial plastic concentrate and adjuvant resin particle are sent to reaction kettle and are mixed, with 350
DEG C stirring is gradually warmed up stirring, obtains hybrid resin, and dimethylbenzene, isooctane and fragrant hydrocarbon are sequentially added after 60min and is puddled, is obtained
Resin compound.
Step 2: graphene oxide is subjected to the adjustment of ultra-fine grinding precision by airslide disintegrating mill, and dispersing agent weight is added
The pulverization process that part carries out 4h is measured, the graphene oxide superfine powder that powder particle size is 0.2 μm μm is obtained.
Step 3: the resin compound that step 1 is obtained is carried out by vacuum drying, steam stripping, washing mixing material
Removal of impurities processing, then be passed to plastics grit maker and be processed as resin particle object.
Step 4: by the resin particle object that step 3 obtains and graphene oxide superfine powder and foaming agent that step 2 obtains
Parts by weight pass through extruding machine after being sufficiently mixed and carry out extrusion molding processing according to the mold of required specification, obtain graphene EPS extrusion molding bubble
Foam semi-finished product.
Step 5: being that viscous stick of base is squeezed in the graphene EPS that step 4 obtains by acid and alkali-resistance glass filled nylon woven cloth
Foam surface of semi-finished is moulded, then silicon rubber waterproof coating is sprayed to its surface, makes it have waterproof performance.
Step 6: carrying out overlay film work to step 5 treated graphene EPS extrusion molding foam surface by laminating machine,
Its surface covers water proof type bacteriostatic film, obtains graphene EPS extrusion molding foam finished product.
Wherein, the adjuvant resin in the step 1 is polypropylene, polytetrafluoroethylene (PTFE) and ABS, and polypropylene, polytetrafluoroethyl-ne
Proportion between alkene and ABS is 2:1:1.
Wherein, metallic nickel, and metallic nickel and graphene oxide is added in the step 2 in graphene oxide crushing process
The proportion of powder is 1:0.01.
Wherein, the foaming agent of the step 4 is supercritical carbon dioxide.
Wherein, the water proof type bacteriostatic film in the step 6 by polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and is gathered
Propylene melting is made, and polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and polyacrylic use match as 1:0.01:
0.01:0.02:2, the water proof type bacteriostatic film with a thickness of 0.08cm.
Embodiment 2
A kind of graphene EPS and preparation method thereof, is made of following parts by weight material: 35 parts by weight of polystyrene, foaming
3 parts by weight of agent, 15 parts by weight of antibacterial plastic concentrate, 25 parts by weight of graphene oxide, 4 parts by weight of dispersing agent, 18 parts by weight of adjuvant resin.
It is specific the preparation method is as follows:
Step 1: granules of polystyrene, antibacterial plastic concentrate and adjuvant resin particle are sent to reaction kettle and are mixed, with 420
DEG C stirring is gradually warmed up stirring, obtains hybrid resin, and dimethylbenzene, isooctane and fragrant hydrocarbon are sequentially added after 65min and is puddled, is obtained
Resin compound.
Step 2: graphene oxide is subjected to the adjustment of ultra-fine grinding precision by airslide disintegrating mill, and dispersing agent weight is added
The pulverization process that part carries out 5h is measured, the graphene oxide superfine powder that powder particle size is 0.3 μm is obtained.
Step 3: the resin compound that step 1 is obtained carries out removal of impurities processing to mixing material by Combined Treatment method,
It is passed to plastics grit maker again and is processed as resin particle object.
Step 4: by the resin particle object that step 3 obtains and graphene oxide superfine powder and foaming agent that step 2 obtains
Parts by weight pass through extruding machine after being sufficiently mixed and carry out extrusion molding processing according to the mold of required specification, obtain graphene EPS extrusion molding bubble
Foam semi-finished product.
Step 5: being that viscous stick of base is squeezed in the graphene EPS that step 4 obtains by acid and alkali-resistance glass filled nylon woven cloth
Foam surface of semi-finished is moulded, then silicon rubber waterproof coating is sprayed to its surface, makes it have waterproof performance.
Step 6: carrying out overlay film work to step 5 treated graphene EPS extrusion molding foam surface by laminating machine,
Its surface covers water proof type bacteriostatic film, obtains graphene EPS extrusion molding foam finished product.
Wherein, the adjuvant resin in the step 1 is polypropylene, polytetrafluoroethylene (PTFE) and ABS, and polypropylene, polytetrafluoroethyl-ne
Proportion between alkene and ABS is 2:1:1.
Wherein, metallic nickel, and metallic nickel and graphene oxide is added in the step 2 in graphene oxide crushing process
The proportion of powder is 1:0.01.
Wherein, the foaming agent of the step 4 is supercritical carbon dioxide.
Wherein, the water proof type bacteriostatic film in the step 6 by polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and is gathered
Propylene melting is made, and polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and polyacrylic use match as 1:0.01:
0.01:0.02:2, the water proof type bacteriostatic film with a thickness of 0.15cm.
The working principle of the invention: by the use of supercritical carbon dioxide, have in foaming nontoxic, do not pollute ring
Border, interfacial tension effect, volatility is low, the good feature of self-contained nuclear capability, when foaming stomata dispersion more evenly, and low manufacture cost,
With excellent antibacterial effect, the characteristics of fire line and waterproofness, with good heat resistance, heat insulation effect is higher, and anti-
Impact, heat resistance, lower temperature resistance, chemical resistance greatly improve, and by the addition of antibacterial plastic concentrate and antimicrobial fluid, mention significantly
The high bacteriostasis antibiosis effect of plastic mould itself, improves the service life of graphene EPS outdoors, relative to common foaming
Method, intensity effectively improve 19.7%, and inoxidizability improves 25%, and resistance to compression degree improves 28MPa, can satisfy the big rule of industrialization
The requirement of mould production, product have splendid using effect and great market popularization value.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of graphene EPS and preparation method thereof, which is characterized in that be made of following parts by weight material: polystyrene 30-35
Parts by weight, foaming agent 2-3 parts by weight, antibacterial plastic concentrate 10-15 parts by weight, graphene oxide 15-25 parts by weight, dispersing agent 2-4 weight
Measure part, adjuvant resin 15-18 parts by weight.
It is specific the preparation method is as follows:
Step 1: granules of polystyrene, antibacterial plastic concentrate and adjuvant resin particle are sent to reaction kettle and are mixed, with 350-420
DEG C stirring is gradually warmed up stirring, obtains hybrid resin, and dimethylbenzene, isooctane and fragrant hydrocarbon are sequentially added after 60-65min and is puddled,
Obtain resin compound.
Step 2: graphene oxide is subjected to the adjustment of ultra-fine grinding precision by airslide disintegrating mill, and dispersant weight part is added
The pulverization process for carrying out 4-5h obtains the graphene oxide superfine powder that powder particle size is 0.2 μm -0.3 μm.
Step 3: resin compound vacuum drying, steam stripping, washing or the Combined Treatment method that step 1 is obtained are to mixture
Object carries out removal of impurities processing, then is passed to plastics grit maker and is processed as resin particle object.
Step 4: by the resin particle object that step 3 obtains and graphene oxide superfine powder and blowing agent composition weight that step 2 obtains
Part passes through extruding machine after being sufficiently mixed and carries out extrusion molding processing according to the mold of required specification, obtains graphene EPS extrusion molding foam half
Finished product.
Step 5: being that viscous stick of base is steeped in the graphene EPS extrusion molding that step 4 obtains by acid and alkali-resistance glass filled nylon woven cloth
Foam surface of semi-finished, then silicon rubber waterproof coating is sprayed to its surface, make it have waterproof performance.
Step 6: overlay film work is carried out to step 5 treated graphene EPS extrusion molding foam surface by laminating machine, in its table
Face covers water proof type bacteriostatic film, obtains graphene EPS extrusion molding foam finished product.
2. a kind of graphene EPS according to claim 1 and preparation method thereof, it is characterised in that: in the step 1
Adjuvant resin is polypropylene, polytetrafluoroethylene (PTFE) and ABS, and the proportion between polypropylene, polytetrafluoroethylene (PTFE) and ABS is 2:1:1.
3. a kind of graphene EPS according to claim 1 and preparation method thereof, it is characterised in that: oxygen in the step 2
Metallic nickel is added in graphite alkene crushing process, and the proportion of metallic nickel and graphene oxide powder is 1:0.01.
4. a kind of graphene EPS according to claim 1 and preparation method thereof, it is characterised in that: the hair of the step 4
Infusion is supercritical carbon dioxide.
5. a kind of graphene EPS according to claim 1 and preparation method thereof, it is characterised in that: in the step 6
Water proof type bacteriostatic film is made of polycarbonate, antistatic agent, levelling agent, antimicrobial fluid and polypropylene fusion, and polycarbonate, resist it is quiet
Electric agent, levelling agent, antimicrobial fluid and polyacrylic use match as 1:0.01:0.01:0.02:2, the thickness of the water proof type bacteriostatic film
Degree is 0.08-0.15cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910119533.4A CN109776983A (en) | 2019-02-18 | 2019-02-18 | A kind of graphene EPS and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111109A (en) * | 2020-09-15 | 2020-12-22 | 扬州瑞达新型材料有限公司 | EPS foam packaging plate and preparation process thereof |
| CN114350078A (en) * | 2021-11-25 | 2022-04-15 | 宏至翎包装制品(昆山)有限公司 | Antibacterial EPS plastic foam and preparation method thereof |
| CN114854167A (en) * | 2022-05-27 | 2022-08-05 | 肖晗 | Antibacterial ABS plastic master batch |
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| CN1398719A (en) * | 2001-07-30 | 2003-02-26 | 刘树奇 | Material for outer wall heat insulating system |
| CN203174781U (en) * | 2013-03-12 | 2013-09-04 | 浙江金立建设有限公司 | EPS line structural member |
| CN204645540U (en) * | 2015-02-27 | 2015-09-16 | 青岛欧克斯新型建材有限公司 | A kind of EPS external wall outer insulation moulding |
| CN105218851A (en) * | 2015-09-08 | 2016-01-06 | 宁波大学 | A kind of method preparing polymkeric substance hole-opening foaming material |
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2019
- 2019-02-18 CN CN201910119533.4A patent/CN109776983A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398719A (en) * | 2001-07-30 | 2003-02-26 | 刘树奇 | Material for outer wall heat insulating system |
| CN203174781U (en) * | 2013-03-12 | 2013-09-04 | 浙江金立建设有限公司 | EPS line structural member |
| CN204645540U (en) * | 2015-02-27 | 2015-09-16 | 青岛欧克斯新型建材有限公司 | A kind of EPS external wall outer insulation moulding |
| CN105218851A (en) * | 2015-09-08 | 2016-01-06 | 宁波大学 | A kind of method preparing polymkeric substance hole-opening foaming material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112111109A (en) * | 2020-09-15 | 2020-12-22 | 扬州瑞达新型材料有限公司 | EPS foam packaging plate and preparation process thereof |
| CN114350078A (en) * | 2021-11-25 | 2022-04-15 | 宏至翎包装制品(昆山)有限公司 | Antibacterial EPS plastic foam and preparation method thereof |
| CN114854167A (en) * | 2022-05-27 | 2022-08-05 | 肖晗 | Antibacterial ABS plastic master batch |
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Application publication date: 20190521 |