CN107722457A - Nanomaterial-filled 3PP external anticorrosive materials and its application pipeline and preparation method - Google Patents
Nanomaterial-filled 3PP external anticorrosive materials and its application pipeline and preparation method Download PDFInfo
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- CN107722457A CN107722457A CN201711060766.9A CN201711060766A CN107722457A CN 107722457 A CN107722457 A CN 107722457A CN 201711060766 A CN201711060766 A CN 201711060766A CN 107722457 A CN107722457 A CN 107722457A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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Abstract
The present invention provides a kind of nanomaterial-filled 3PP external anticorrosive materials and its applies pipeline and preparation method.A kind of nanomaterial-filled 3PP external anticorrosive materials include nano material and third layer polypropylene material, and the filling is nanomaterial-filled in the third layer polypropylene material.Preparation method comprises the following steps：Step 1: material prepares：Using homopolymerization or COPP pellet as base-material, using polyolefin graft material as compatilizer, using nano material as inorganic filler, using other plastic processing additives as auxiliary material；Step 2: melt blending.A kind of nanomaterial-filled 3PP external anticorrosive materials product provided by the invention is using the one or more in nano zine oxide, nano-calcium carbonate, nano titanium oxide as novel inorganic packing material, by being formulated the selection of design and processing conditions, the outer anti-corrosion new materials of 3PP for meeting the outer antiseptic property requirement of pipeline are prepared.
Description
Technical field
The invention belongs to the filling-modified polymer composites preparing technical field of inorganic nano material, more particularly to one kind
Nanomaterial-filled 3PP external anticorrosive materials and its application pipeline and preparation method.
Background technology
Pipeline outer anticorrosive coating technology experienced several stages such as pitch, coal tar enamel, clinkery epoxy powder.
In the last few years, three-layer polyethylene was used mostly for crude oil or the outer anti-corrosion proprietary material of natural gas line, the country
Outer anti-corrosion proprietary material, by the paint-on technique of three-layer polyethylene, reach the purpose that various pipelines are carried out with preservative treatment.Three layers
The basic structure of polyethylene anticorrosive coating is：Clinkery epoxy powder is bottom, and polyolefin graft material is intermediate layer, and polyethylene anticorrosion is special
Materials are outer layer.
Because the design feature of polythene material in itself determines that its softening point is relatively low, as anti-corrosion proprietary material, simultaneously
There is the shortcomings of resisting environmental stress and cracking difference.Polyethylene outer anticorrosive coating is under conditions of more than 80 DEG C, its mechanical property meeting
Generation declines by a relatively large margin, and overlay film softens significantly, it is difficult to normal use.Above mentioned problem result in three-layer polyethylene anti-corrosion material
Use range receives certain limitation.
Polypropylene is a kind of polyolefine material of large-scale industrial production, and it is mainly characterized in that density is small, mechanics is harmonious
The advantages that good, resistant to chemical etching, easy processing, heat distortion temperature are high, inexpensive.By using chemical modification or the side of physical modification
Method, prepare high performance and engineering polypropylene new material turn into the last few years polymer material science with it is most active in engineering
Research and one of application field.Using polypropylene as pipeline external anticorrosive material, polyethylene anticorrosion material can be made up and had
Some softening points are low and the shortcomings of low resisting environmental stress and cracking difference, processing simple with formula is compared with polypropylene powder coating
Conveniently, the characteristics of apparatus adaptability is strong, facilitates impregnating plant 3PE/3PP switching.
In two kinds of common methods that polymeric material is modified, physical modification has that method is simple, cost is low, is easily achieved
The advantages that.Therefore, this kind of method is still the Main Means that current polymeric material is modified.Can be by the approach that is blended and fills
Physical modification is carried out to polypropylene, so as to meet the requirement of engineering polypropylene new material.Nothing for Filling and modifying of polypropylene
Machine filler mainly includes：Calcium carbonate, mica powder, talcum powder, silica, titanium dioxide, carbon black etc..
Inorganic nanometer powder technical research it is ripe day by day, be filled with new life for conventional polymer blend modification technology
And vigor.Due to small-size effect possessed by nano material and powerful specific surface area, can be produced in polymeric matrix
Preferable peptizaiton, with good interaction is produced between macromolecule resin, realize to polymer and meanwhile carry out enhancing and
The purpose of toughening modifying.
In the last few years, research of the people to sodium rice zinc oxide gives great attention, and its main cause is sodium rice zinc oxide
Material has big specific surface area, can produce stronger interaction with polymeric matrix, by using process for treating surface,
Sodium rice zinc oxide can be made to form the dispersity of nanoscale in polymeric matrix, so as to improve the mechanical property of matrix material
Energy.Another effect of sodium rice zinc oxide can effectively shield ultraviolet light, have the function of photomask agent, and above-mentioned performance is poly- third
The resistance to environmental aging of alkene pipeline external anticorrosive material and light aging provide good basis.
The content of the invention
To solve the bad technical problem of existing three-layer polyethylene external anticorrosive material mechanical property, the present invention provides a kind of power
Learn the bad nanomaterial-filled 3PP external anticorrosive materials of performance and its apply pipeline and preparation method.
Nanomaterial-filled 3PP external anticorrosive materials provided by the invention include nano material and third layer polypropylene material,
The nano material is blended in the third layer polypropylene material, the nano material be nano-calcium carbonate, nano zine oxide,
One or more in nano titanium oxide.
In nanomaterial-filled a kind of preferred embodiment of 3PP external anticorrosive materials provided by the invention, the nano material
Dosage is 1~10%, preferably the 5~8% of third layer polypropylene material quality.
In the pipeline of applying of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, including pipeline, first layer epoxy
Powder, second layer adhesive and nanomaterial-filled 3PP external anticorrosive materials, the first layer epoxy powder, the second layer glue
Stick and the nanomaterial-filled 3PP external anticorrosive materials are sequentially arranged in the pipeline external surface.
In the preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, comprise the following steps：
Step 1: material prepares：Using homopolymerization or COPP pellet as base-material, using polyolefin graft material as compatilizer,
Using nano material as inorganic filler, using other plastic processing additives as auxiliary material；
Step 2: melt blending：By homopolymerization or COPP pellet, polyolefin graft material, nano material and other modelings
Expect processing aid melt blending.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, institute
State in step 1, the nano material carries out surface activation process in advance, specially from titanate coupling agent, silane coupler
Or aluminate coupling agent carries out surface activation process.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, institute
State in step 1, the polyacrylic alternative condition is：Melt flow rate (MFR) under 230 DEG C, 2.16 ㎏ test conditions is
0.5-5.0g/10min, tensile strength >=25MPa, elongation at break >=600%.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, choosing
The surface conditioning agent of nano material, preferably 3% are used as by the use of 1~7% titanate coupling agent.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, institute
State in step 2, specifically comprise the following steps：
Step 2 one, mixed in high-speed mixer；
Step 2 two, the process route using double-screw melt blending, suitable blending technology condition is controlled, obtains nanometer
Material fills 3PP external anticorrosive materials.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, institute
Stating step 2 two is specially：Using the process route of double-screw melt blending, extruder draw ratio is 40:1, each section of temperature：Machine
230 DEG C -250 DEG C of body temperature, 220 DEG C of head temperature, 235 DEG C of melt temperature.
In a kind of preferred embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention, institute
Stating step 2 one is specially：Mixed 5~10 minutes under the conditions of 80~100 DEG C using high-speed mixer, it is standby after cooling.
Nanomaterial-filled 3PP external anticorrosive materials of the present invention and preparation method thereof have the advantages that：
Filled using the one or more in nano zine oxide, nano-calcium carbonate, nano titanium oxide as novel inorganic
Material, by being formulated the selection of design and processing conditions, prepare the outer anti-corrosion green woods of 3PP for meeting the outer antiseptic property requirement of pipeline
Material.By the PP composite material obtained by the present invention, domestic and international pipeline corrosion protection industry can be met to preserving timber outside polypropylene
The requirement of material.Mechanical property using impact experiment machine and almighty test machine test PP composite material is up to standard, by ISO
The progress tensile strength test of 527 standards is up to standard, and it is up to standard to carry out bending strength test by the standards of ISO 178；Enter by the standards of ISO 179
The test of row cantilever beam impact strength is up to standard；It is up to standard that heat distortion temperature test is carried out by the standards of ISO 306.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is a kind of technique of embodiment of preparation method of nanomaterial-filled 3PP external anticorrosive materials provided by the invention
Flow chart；
Fig. 2 is a kind of implementation of the melt blending of the preparation method of the nanomaterial-filled 3PP external anticorrosive materials shown in Fig. 1
The process chart of example.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The nanomaterial-filled 3PP external anticorrosive materials include nano material and third layer polypropylene material, the nanometer
Material is blended in the third layer polypropylene material, and the nano material is nano-calcium carbonate, nano zine oxide, nano-silica
Change the one or more in titanium.The nano material dosage for third layer polypropylene material quality 1~10%, preferably 5~
8%.
The nanomaterial-filled 3PP external anticorrosive materials apply pipeline, including pipeline, first layer epoxy powder, second
Layer adhesive and nanomaterial-filled 3PP external anticorrosive materials, the first layer epoxy powder, the second layer adhesive and described
Nanomaterial-filled 3PP external anticorrosive materials are sequentially arranged in the pipeline external surface.
Refer to Fig. 1 and Fig. 2, Fig. 1 be nanomaterial-filled 3PP external anticorrosive materials provided by the invention preparation method one
The process chart of kind embodiment；Fig. 2 is the melting of the preparation method of the nanomaterial-filled 3PP external anticorrosive materials shown in Fig. 1
A kind of process chart of embodiment of blending.
The preparation method of described nanomaterial-filled 3PP external anticorrosive materials, comprises the following steps：
Step S1, material prepares：Using homopolymerization or COPP pellet as base-material, using polyolefin graft material as compatilizer,
Using nano material as inorganic filler, using other plastic processing additives as auxiliary material；
Specifically, the nano material carries out surface activation process in advance, specially even from titanate coupling agent, silane
Join agent or aluminate coupling agent carries out surface activation process；From 1~7% titanate coupling agent as the surface of nano material at
Reason agent, preferably 3%；The polyacrylic alternative condition is：Melt flow rate (MFR) under 230 DEG C, 2.16 ㎏ test conditions is
0.5-5.0g/10min, tensile strength >=25MPa, elongation at break >=600%；
Step S2, melt blending：By homopolymerization or COPP pellet, polyolefin graft material, nano material and other modelings
Expect processing aid melt blending；Specifically comprise the following steps：
Step S21, mixed in high-speed mixer；Specially：Mixed using high-speed mixer under the conditions of 80~100 DEG C
It is 5~10 minutes, standby after cooling；
Step S22, using the process route of double-screw melt blending, suitable blending technology condition is controlled, obtains nanometer
Material fills 3PP external anticorrosive materials；Specially：Using the process route of double-screw melt blending, extruder draw ratio is 40:1,
Each section of temperature：230 DEG C -250 DEG C of body temperature, 220 DEG C of head temperature, 235 DEG C of melt temperature.
Embodiment 1：
5 kilograms of polypropylene is weighed, 0.3 kilogram of polyolefin graft material, 0.4 kilogram of surface activation process nano zine oxide, is added
Enter appropriate antioxidant and light stabilizer and lubricant, above-mentioned raw material and processing aid are mixed into 30S- in high-speed mixer
45S.Using the process route of double-screw melt blending, extruder draw ratio is 40:1, each section of temperature：230 DEG C of body temperature-
250 DEG C, 220 DEG C of head temperature, 235 DEG C of melt temperature.Through melt blending process route, through water cooling, Ran Houjing after melt extrusion
Pelleter pelletizing is crossed, pellet suppresses standard test piece after drying on vulcanizing press, small with cutting knife cutting standard specimen, balance 24
Shi Jinhang Mechanics Performance Testings.The mechanical experimental results of above-mentioned nanomaterial-filled 3PP external anticorrosive materials are as follows：Stretching is disconnected
Resistance to spalling：36.3MPa；Elongation at break 850%；Izod notched impact strength：14J/mm；Vicat softening point：143℃.On
State performance indications and exceed the domestic relevant polypropylene pipe external anticorrosive material DIN30678 standards used at present.
Embodiment 2：
Weigh 5 kilograms of polypropylene, 0.4 kilogram of polyolefin graft material, surface activation process nano-calcium carbonate and nano-silica
Change 0.3 kilogram of titanium, the two ratio is 5:1, appropriate antioxidant and light stabilizer and lubricant are added, by above-mentioned raw material and processing
Auxiliary agent mixes 30S-45S in high-speed mixer.Using the process route of double-screw melt blending, extruder draw ratio is 40:
1, each section of temperature：230 DEG C -250 DEG C of body temperature, 220 DEG C of head temperature, 235 DEG C of melt temperature.Through melt blending technique road
Line, through water cooling after melt extrusion, standard test piece is then suppressed on vulcanizing press after drying by pelleter pelletizing, pellet,
With cutting knife cutting standard specimen, balance 24 hours and carry out Mechanics Performance Testing.Above-mentioned nanomaterial-filled 3PP external anticorrosive materials
Mechanical experimental results are as follows：Tensile break strength：40.5MPa；Elongation at break 730%；Izod notched impact strength：
20J/mm；Vicat softening point：145℃.Above-mentioned performance indications exceed the outer preserving timber of the domestic relevant polypropylene pipe used at present
Expect DIN30678 standards.
Embodiment 3：
Weigh 5 kilograms of polypropylene, 0.5 kilogram of polyolefin graft material, surface activation process nano zine oxide, nanometer titanium dioxide
0.25 kilogram of titanium, nano-calcium carbonate, proportions 2:3:1, appropriate antioxidant and light stabilizer and lubricant are added, will be above-mentioned
Raw material and processing aid mix 30S-45S in high-speed mixer.Using the process route of double-screw melt blending, extruder
Draw ratio is 40:1, each section of temperature：230 DEG C -250 DEG C of body temperature, 220 DEG C of head temperature, 235 DEG C of melt temperature.Through melting
Blending technology route, through water cooling after melt extrusion, then suppressed by pelleter pelletizing, pellet after drying on vulcanizing press
Standard test piece, with cutting knife cutting standard specimen, balance 24 hours and carry out Mechanics Performance Testing.It is above-mentioned nano zinc oxide filling modified
The mechanical experimental results of polypropylene pipe external anticorrosive material are as follows：Tensile break strength：36.8MPa；Elongation at break
780%；Izod notched impact strength：16J/mm；Vicat softening point：142℃.Above-mentioned performance indications exceed domestic use at present
Relevant polypropylene pipe external anticorrosive material DIN30678 standards.
Embodiment 4：
Weigh 5 kilograms of polypropylene, 0.4 kilogram of polyolefin graft material is surface activation process nano titanium oxide, nano oxidized
0.4 kilogram of zinc, appropriate antioxidant and light stabilizer and lubricant are added, by above-mentioned raw material and processing aid in high-speed mixer
Middle mixing 30S-45S.Using the process route of double-screw melt blending, extruder draw ratio is 40:1, each section of temperature：Fuselage temperature
230 DEG C -250 DEG C of degree, 220 DEG C of head temperature, 235 DEG C of melt temperature.Through melt blending process route, through water after melt extrusion
It is cold, standard test piece is then suppressed on vulcanizing press after drying by pelleter pelletizing, pellet, is tried with cutting knife cutting standard
Sample, balance 24 hours and carry out Mechanics Performance Testing.The power of above-mentioned external anticorrosive material of nano zinc oxide filling modified polypropylene pipe
It is as follows to learn the performance test results：Tensile break strength：38.0MPa；Elongation at break 800%；Izod notched impact strength：
18J/mm；Vicat softening point：143℃.Above-mentioned performance indications exceed the outer preserving timber of the domestic relevant polypropylene pipe used at present
Expect DIN30678 standards.
The nanomaterial-filled 3PP external anticorrosive materials of the present invention and preparation method thereof S1 has the advantages that：
Filled using the one or more in nano zine oxide, nano-calcium carbonate, nano titanium oxide as novel inorganic
Material, by being formulated the selection of design and processing conditions, prepare the outer anti-corrosion green woods of 3PP for meeting the outer antiseptic property requirement of pipeline
Material.By the PP composite material obtained by the present invention, domestic and international pipeline corrosion protection industry can be met to preserving timber outside polypropylene
The requirement of material.Mechanical property using impact experiment machine and almighty test machine test PP composite material is up to standard, by ISO
The progress tensile strength test of 527 standards is up to standard, and it is up to standard to carry out bending strength test by the standards of ISO 178；Enter by the standards of ISO 179
The test of row cantilever beam impact strength is up to standard；It is up to standard that heat distortion temperature test is carried out by the standards of ISO 306.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of nanomaterial-filled 3PP external anticorrosive materials, it is characterised in that including nano material and third layer polypropylene material
Material, the nano material is blended in the third layer polypropylene material, and the nano material is nano-calcium carbonate, nano oxidized
One or more in zinc, nano titanium oxide.
2. nanomaterial-filled 3PP external anticorrosive materials according to claim 1, it is characterised in that the nano material is used
Measure as the 1~10% of third layer polypropylene material quality, preferably 5~8%.
3. a kind of application pipeline of the nanomaterial-filled 3PP external anticorrosive materials in claim 1 and 2 described in any one, its
It is characterised by, including pipeline, first layer epoxy powder, second layer adhesive and nanomaterial-filled 3PP external anticorrosive materials, it is described
First layer epoxy powder, the second layer adhesive and the nanomaterial-filled 3PP external anticorrosive materials are sequentially arranged in the pipe
Road outer surface.
4. a kind of preparation method of the nanomaterial-filled 3PP external anticorrosive materials in claim 1 and 2 described in any one, its
It is characterised by, comprises the following steps：
Step 1: material prepares：Using homopolymerization or COPP pellet as base-material, using polyolefin graft material as compatilizer, to receive
Rice material is inorganic filler, using other plastic processing additives as auxiliary material；
Step 2: melt blending：Homopolymerization or COPP pellet, polyolefin graft material, nano material and other plastics are added
Work auxiliary agent melt blending.
5. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 4, it is characterised in that described
In step 1, the nano material carries out surface activation process in advance, specially from titanate coupling agent, silane coupler or
Aluminate coupling agent carries out surface activation process.
6. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 4, it is characterised in that described
In step 1, the polyacrylic alternative condition is：Melt flow rate (MFR) under 230 DEG C, 2.16 ㎏ test conditions is 0.5-
5.0g/10min, tensile strength >=25MPa, elongation at break >=600%.
7. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 5, it is characterised in that from 1
Surface conditioning agent of~7% titanate coupling agent as nano material, preferably 3%.
8. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 4, it is characterised in that described
In step 2, specifically comprise the following steps：
Step 2 one, mixed in high-speed mixer；
Step 2 two, the process route using double-screw melt blending, suitable blending technology condition is controlled, obtains nano material
Fill 3PP external anticorrosive materials.
9. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 8, it is characterised in that described
Step 2 two is specially：Using the process route of double-screw melt blending, extruder draw ratio is 40:1, each section of temperature：Fuselage
230 DEG C -250 DEG C of temperature, 220 DEG C of head temperature, 235 DEG C of melt temperature.
10. the preparation method of nanomaterial-filled 3PP external anticorrosive materials according to claim 8, it is characterised in that described
Step 2 one is specially：Mixed 5~10 minutes under the conditions of 80~100 DEG C using high-speed mixer, it is standby after cooling.
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2017
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