CN106674692A - Preparation technology of composite plastic - Google Patents
Preparation technology of composite plastic Download PDFInfo
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- CN106674692A CN106674692A CN201611230705.8A CN201611230705A CN106674692A CN 106674692 A CN106674692 A CN 106674692A CN 201611230705 A CN201611230705 A CN 201611230705A CN 106674692 A CN106674692 A CN 106674692A
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- composite plastic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses preparation technology of composite plastic, which comprises, by weight percentage, 5-25% of a nanometer conductive material, 10-15% of asphalt, 2-5% of gamma-Al2O3, 2-5% of glass micro-beads, and 1-5% of a float for fishing, with the balance being plastics. The composite plastic is available in raw materials, low in cost of raw materials, simple in preparation technology, and high in production efficiency. The prepared composite plastic is eco-friendly and is beautiful in product appearance, and high in quality. Furthermore, the composite plastic is excellent in thermal stability and conductive performance, and the composite plastic can be recycled, thereby preventing resources waste.
Description
Technical field
The present invention relates to a kind of composite plastic, specifically a kind of preparation technology of composite plastic.
Background technology
Engineering plastics refer to the plastics that can make engineering material and replace metal manufacture machine parts etc., and engineering plastics include
Acetal, makrolon (PC), polyphenylene sulfide, polysulfones, modified polyphenylene oxide, polyimides, polyamide (PA), poly terephthalic acid
Butanediol ester (PBT), acrylonitrile-butadiene-phenylethylene copolymer (ABS), liquid crystal polymer (LCP), Ethylene-vinyl acetate are common
Polymers (EVA), and for other plastics of engineering purpose.Engineering plastics have excellent combination property, and rigidity is big, creep
Small, high mechanical strength is heat-resist, and electrical insulating property is good, can for a long time be used in harsher chemistry, physical environment, alternative
Metal is used as structural timber.But engineering plastics are compared to also there is a shortcoming for metal, such as thermal diffusivity, electric conductivity,
Anti-flammability, rigidity etc..With the continuous consumption of resource, increasing modified engineered plastic is developed, such as conductive work
Engineering plastics.But existing engineering plastics be still present complex manufacturing, high cost, wear no resistance, the feature of environmental protection is poor, influence is beautiful
The shortcoming of sight.
The content of the invention
It is an object of the invention to provide a kind of preparation technology of composite plastic, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of preparation technology of composite plastic, in percentage by weight, including 5%-25% nano-level conducting material,
The pitch of 10%-15%, the γ-Al2O3 of 2%-5%, the glass microballoon of 2%-5%, the float for fishing of 1%-5%, balance of plastics.
As further scheme of the invention：In percentage by weight, including 10%-20% nano-level conducting material
Material, the γ-Al2O3 of the pitch of 10%-13%, 2%-4%, the glass microballoon of 3%-5%, the float for fishing of 1%-3%, balance of modeling
Material.
As further scheme of the invention：In percentage by weight, including 15% nano-level conducting material, 12%
Pitch, 3% γ-Al2O3,4% glass microballoon, 2% float for fishing, balance of plastics.
As further scheme of the invention：The nano-level conducting material is Nano titanium dioxide, nanoscale
One or more in zinc and nano-scale carbon tube.
As further scheme of the invention：The plastics are one or more in PE, PP, PVC, EVA, PC, PET.
A kind of preparation technology of composite plastic, concretely comprises the following steps：(1) nano-level conducting material is mixed with float for fishing first
It is even, glass microballoon is subsequently adding, uniform rear standing 1-2h is slowly stirred, after reaction terminates, filtering is obtained filter cake, and filter cake is placed on
Dried at 40 DEG C -100 DEG C, obtain drying filter cake, it is standby；(2) by plastic heating to molten condition, and add pitch and γ-
Al2O3,10-30min is cooled down after being well mixed, and obtains mixture；(3) it is added to after being well mixed drying filter and mixture crowded
It is 120 DEG C -150 DEG C to go out temperature, during extrusion pressure is for the extruder of 150-250MPa, and is 40-80 revs/min in shear rate
It is blended 5-8 minutes in the state of clock, by extrudate Slow cooling；(4) granulated after shaping to be cooled, gained mixture is added double
In screw extruder, extrusion processing temperature is 250 DEG C -350 DEG C, and screw speed is 250rpm-750rpm, by the extrusion after cooling
Thing delivers to comminutor, that is, obtain plastic particle finished products.
As further scheme of the invention：With float for fishing be well mixed nano-level conducting material first by the step (1),
Glass microballoon is subsequently adding, uniform rear standing 1.5h is slowly stirred, after reaction terminates, filtering is obtained filter cake, and filter cake is placed on into 90
Dried at DEG C, obtain drying filter cake, it is standby.
As further scheme of the invention：The step (3) will dry filter and mixture it is well mixed after be added to it is crowded
It is 130 DEG C to go out temperature, during extrusion pressure is for the extruder of 200MPa, and in the state of shear rate is for 60 revs/min altogether
It is mixed 6 minutes, by extrudate Slow cooling.
As further scheme of the invention：Granulated after the step (4) shaping to be cooled, gained mixture is added double
In screw extruder, extrusion processing temperature is 300 DEG C, and screw speed is 450rpm, and the extrudate after cooling is delivered into comminutor,
Obtain plastic particle finished products.
Compared with prior art, the beneficial effects of the invention are as follows：
The composite plastic raw material is easy to get, cost of material is low, while preparation process is simple, production efficiency is high, more environmentally-friendly, produces
Also more preferably, product quality is higher for product aesthetics；In addition, the composite plastic has excellent heat endurance and electric conductivity, can be with
Recycling, it is to avoid the wasting of resources.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
5 parts of nano-level conducting materials, 10 parts of pitch, 2 parts of γ-Al2O3,2 parts of glass microballoons, 1 part of float for fishing are weighed, it is balance of
Plastics；The nano-level conducting material is the mixture of Nano titanium dioxide, Nano-class zinc oxide and nano-scale carbon tube；It is described
Plastics are the mixture of PE, PP, PVC, EVA, PC, PET.Nano-level conducting material is well mixed with float for fishing first, Ran Houjia
Enter glass microballoon, be slowly stirred uniform rear standing 1, after reaction terminates, filtering is obtained filter cake, drying at filter cake is placed on into 40 DEG C,
Obtain drying filter cake, it is standby；By plastic heating to molten condition, and pitch and γ-Al2O3 are added, cooled down after being well mixed
10min, obtains mixture；It is 120 DEG C to be added to extrusion temperature after drying filter and mixture are well mixed, and extrusion pressure is
In the extruder of 150MPa, and it is blended 5 minutes in the state of shear rate is for 40 revs/min, by extrudate Slow cooling；
Granulated after shaping to be cooled, by gained mixture addition double screw extruder, extrusion processing temperature is 250 DEG C DEG C, and screw rod turns
Speed is 250rpm, and the extrudate after cooling is delivered into comminutor, that is, obtain plastic particle finished products.
Embodiment 2
Weigh 25 parts of nano-level conducting materials, 15 parts of pitch, 5 parts of γ-Al2O3,5 parts of glass microballoons, 5 parts of float for fishings, surplus
It is plastics；The nano-level conducting material is Nano titanium dioxide；The plastics are PVC.First by nano-level conducting material
It is well mixed with float for fishing, is subsequently adding glass microballoon, be slowly stirred uniform rear standing 2h, after reaction terminates, filtering is obtained filter cake,
Dried at filter cake is placed on into 100 DEG C, obtain drying filter cake, it is standby；By plastic heating to molten condition, and add pitch and γ-
Al2O3,30min is cooled down after being well mixed, and obtains mixture；Extrusion temperature is added to after drying filter and mixture are well mixed
It is 150 DEG C, during extrusion pressure is for the extruder of 250MPa, and 8 points is blended in the state of shear rate is for 80 revs/min
Clock, by extrudate Slow cooling；Granulated after shaping to be cooled, by gained mixture addition double screw extruder, extrusion is processed
Temperature is 350 DEG C, and screw speed is 750rpm, and the extrudate after cooling is delivered into comminutor, that is, obtain plastic particle finished products.
Embodiment 3
Weigh 15 parts of nano-level conducting materials, 12 parts of pitch, 3 parts of γ-Al2O3,4 parts of glass microballoons, 2 parts of float for fishings, surplus
It is plastics；The nano-level conducting material is the mixture of Nano titanium dioxide, Nano-class zinc oxide and nano-scale carbon tube；Institute
State the mixture that plastics are PE, PP, PVC, EVA, PC, PET.Nano-level conducting material is well mixed with float for fishing first, then
Glass microballoon is added, uniform rear standing 1.5h is slowly stirred, after reaction terminates, filtering is obtained filter cake, and filter cake is placed at 90 DEG C
Drying, obtains drying filter cake, standby；By plastic heating to molten condition, and pitch and γ-Al2O3 are added, it is cold after being well mixed
But 15min, obtains mixture；It is 130 DEG C to be added to extrusion temperature after drying filter and mixture are well mixed, and extrusion pressure is
In the extruder of 200MPa, and it is blended 6 minutes in the state of shear rate is for 60 revs/min, by extrudate Slow cooling；
Granulated after shaping to be cooled, by gained mixture addition double screw extruder, extrusion processing temperature is 300 DEG C, screw speed
It is 450rpm, the extrudate after cooling is delivered into comminutor, that is, obtains plastic particle finished products.
Embodiment 4
Weigh 10 parts of nano-level conducting materials, 10 parts of pitch, 2 parts of γ-Al2O3,3 parts of glass microballoons, 1 part of float for fishing, surplus
It is plastics；The nano-level conducting material is Nano-class zinc oxide；The plastics are PP.First by nano-level conducting material and fish
Drift is well mixed, is subsequently adding glass microballoon, is slowly stirred uniform rear standing 1.5, and after reaction terminates, filtering is obtained filter cake, by
Filter cake is dried at being placed on 50 DEG C, obtains drying filter cake, standby；By plastic heating to molten condition, and add pitch and γ-
Al2O3,20min is cooled down after being well mixed, and obtains mixture；Extrusion temperature is added to after drying filter and mixture are well mixed
It is 125 DEG C, during extrusion pressure is for the extruder of 180MPa, and 7 points is blended in the state of shear rate is for 50 revs/min
Clock, by extrudate Slow cooling；Granulated after shaping to be cooled, by gained mixture addition double screw extruder, extrusion is processed
Temperature is 280 DEG C, and screw speed is 350rpm, and the extrudate after cooling is delivered into comminutor, that is, obtain plastic particle finished products.
Embodiment 5
Weigh 20 parts of nano-level conducting materials, 13 parts of pitch, 4 parts of γ-Al2O3,5 parts of glass microballoons, 3 parts of float for fishings, surplus
It is plastics；The nano-level conducting material is nano-scale carbon tube；The plastics are PC.First by nano-level conducting material and float for fishing
It is well mixed, glass microballoon is subsequently adding, uniform rear standing 1.8h is slowly stirred, after reaction terminates, filtering is obtained filter cake, will filter
Cake is dried at being placed on 90 DEG C, obtains drying filter cake, standby；By plastic heating to molten condition, and pitch and γ-Al2O3 are added,
25min is cooled down after well mixed, mixture is obtained；It is 145 that extrusion temperature is added to after drying filter and mixture are well mixed
DEG C, during extrusion pressure is for the extruder of 230MPa, and it is blended 7 minutes in the state of shear rate is for 50 revs/min, will squeeze
Go out thing Slow cooling；Granulated after shaping to be cooled, by gained mixture addition double screw extruder, extruding processing temperature is
320 DEG C, screw speed is 650rpm, and the extrudate after cooling is delivered into comminutor, that is, obtain plastic particle finished products.
Above-mentioned 5 embodiment products are positioned in baking oven, are dried at a temperature of 100 DEG C 5 hours, then will by GB standards
Product is molded into sample test, and the performance parameter of test is listed in the table below.
As can be seen from the above table, the composite plastic has that tensile strength is high, bending strength is high, fire resistance good, cantilever beam
Lack impact strength advantage high.
The composite plastic raw material is easy to get, cost of material is low, while preparation process is simple, production efficiency is high, more environmentally-friendly, produces
Also more preferably, product quality is higher for product aesthetics；In addition, the composite plastic has excellent heat endurance and electric conductivity, can be with
Recycling, it is to avoid the wasting of resources.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (9)
1. a kind of composite plastic, it is characterised in that in percentage by weight, including 5%-25% nano-level conducting material,
The pitch of 10%-15%, the γ-Al2O3 of 2%-5%, the glass microballoon of 2%-5%, the float for fishing of 1%-5%, balance of plastics.
2. composite plastic according to claim 1, it is characterised in that in percentage by weight, including 10%-20%
Nano-level conducting material, the pitch of 10%-13%, the γ-Al2O3 of 2%-4%, the glass microballoon of 3%-5%, 1%-3%
Float for fishing, balance of plastics.
3. composite plastic according to claim 1, it is characterised in that in percentage by weight, including 15% nanometer
Level conductive material, 12% pitch, 3% γ-Al2O3,4% glass microballoon, 2% float for fishing, balance of plastics.
4. composite plastic according to claim 1, it is characterised in that the nano-level conducting material is nanoscale titanium dioxide
One or more in titanium, Nano-class zinc oxide and nano-scale carbon tube.
5. composite plastic according to claim 1, it is characterised in that during the plastics are PE, PP, PVC, EVA, PC, PET
One or more.
6. the preparation technology of a kind of composite plastic as described in claim 1-5 is any, it is characterised in that concretely comprise the following steps：(1)
Nano-level conducting material is well mixed with float for fishing first, is subsequently adding glass microballoon, be slowly stirred uniform rear standing 1-2h, instead
After should terminating, filtering is obtained filter cake, is dried at filter cake is placed on into 40 DEG C -100 DEG C, obtains drying filter cake, standby；(2) by plastics
Molten condition is heated to, and adds pitch and γ-Al2O3,10-30min is cooled down after being well mixed, obtain mixture；(3) will dry
It is 120 DEG C -150 DEG C that extrusion temperature is added to after dry filter and mixture are well mixed, and extrusion pressure is the extrusion of 150-250MPa
In machine, and it is blended 5-8 minutes in the state of shear rate is for 40-80 revs/min, by extrudate Slow cooling；(4) treat cold
But granulated after being molded, by gained mixture addition double screw extruder, extrusion processing temperature is 250 DEG C -350 DEG C, and screw rod turns
Speed is 250rpm-750rpm, and the extrudate after cooling is delivered into comminutor, that is, obtain plastic particle finished products.
7. composite plastic according to claim 6, it is characterised in that the step (1) is first by nano-level conducting material
It is well mixed with float for fishing, is subsequently adding glass microballoon, be slowly stirred uniform rear standing 1.5h, after reaction terminates, filtering is obtained filters
Cake, dries at filter cake is placed on into 90 DEG C, obtains drying filter cake, standby.
8. composite plastic according to claim 6, it is characterised in that the step (3) will dry filter and mixture mixes
It is 130 DEG C that extrusion temperature is added to after uniform, during extrusion pressure is for the extruder of 200MPa, and shear rate be 60 turns/
It is blended 6 minutes in the state of minute, by extrudate Slow cooling.
9. composite plastic according to claim 6, it is characterised in that granulated after the step (4) shaping to be cooled, by institute
Mixture add double screw extruder in, extrusion processing temperature be 300 DEG C, screw speed is 450rpm, by cooling after squeeze
Go out thing and deliver to comminutor, that is, obtain plastic particle finished products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230705.8A CN106674692A (en) | 2016-12-27 | 2016-12-27 | Preparation technology of composite plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230705.8A CN106674692A (en) | 2016-12-27 | 2016-12-27 | Preparation technology of composite plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106674692A true CN106674692A (en) | 2017-05-17 |
Family
ID=58871919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611230705.8A Pending CN106674692A (en) | 2016-12-27 | 2016-12-27 | Preparation technology of composite plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106674692A (en) |
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2016
- 2016-12-27 CN CN201611230705.8A patent/CN106674692A/en active Pending
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