CN110066453A - A kind of polypropylene material and preparation method thereof - Google Patents
A kind of polypropylene material and preparation method thereof Download PDFInfo
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- CN110066453A CN110066453A CN201810065514.3A CN201810065514A CN110066453A CN 110066453 A CN110066453 A CN 110066453A CN 201810065514 A CN201810065514 A CN 201810065514A CN 110066453 A CN110066453 A CN 110066453A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
Abstract
The present invention discloses a kind of polypropylene material and preparation method thereof, the material be coloured by 50-100 parts of polypropylene, 5-35 parts of ethylene-octene copolymer, 3-10 parts of POE grafted maleic anhydride, synergistic reinforcing agent 3-10 part, 0.5-5 part of color master-batch, 0.1-0.5 part of antioxidant, 0.1-1.0 parts of lubricant mixed, melting extrusion granulation it is obtained.Wherein color master-batch is to be made by ultra-low viscosity polypropylene, titanium dioxide, blue or green blue, dark green, titanium yellow powder, carbon black, iron oxide red through mixing, extruding pelletization.Present invention introduces the polypropylene of low viscosity, ensure that the mobility and processability of polypropylene material entirety；Color master-batch, synergistic coloring reinforcing agent collaboration use, and while material keeps mechanics stability, making material integrally has extraordinary colorability, good toner dispersibility.
Description
Technical field
The invention belongs to technical field of polymer materials, specifically a kind of polypropylene material and preparation method thereof.
Background technique
Polypropylene is the highly crystalline polymer of nontoxic, odorless, tasteless milky, and density only has 0.90-0.91g/cm3,
It is one of kind most light in current all plastics.It is particularly stable to water, and water absorption rate in water is only 0.01%, molecular weight
About 80,000-15 ten thousand.With continually developing for its application, people propose higher, more specific requirement to polypropylene, for example, people
There are more pursuits for the color of product, this requires rapidoprints to have various bright-coloured appearances.People master at present
If adding toner in the material to realize the color requirements of material, but since toner disperses very unevenly in enhancing system
And the problem for causing material color inconsistent, and since the addition of toner be easy to cause the boundary between glass and acrylic resin
Face separation, so that the mechanical performance decline of material is obvious.
Therefore, a kind of color polypropylene material and its modification technology and the evenly dispersed method of pigment are developed to modification
Polyacrylic resultant performance enhancements, technological improvement and practical application are of great significance.
Summary of the invention
The purpose of the present invention is to provide a kind of polypropylene materials and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of polypropylene material is prepared by weight by following components:
Further scheme, the polyacrylic inherent viscosity are 3.0-3.2dl/g.
The grafting rate of the POE grafted maleic anhydride is 1.8-2wt%.
The synergistic coloring reinforcing agent is inorganic crystal whisker.
The inorganic crystal whisker is the mixture of silicon carbide whisker, aluminium borate whisker 10:1 in mass ratio composition.
The color master-batch is made of by weight following components:
The ultra-low viscosity polypropylene inherent viscosity is 2.2-2.5dl/g；The carbon black is the dustless charcoal of activating surface
It is black.
The antioxidant is N, N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and phosphorous
The mixture of sour three (2,4- di-tert-butyl-phenyl) esters, the lubricant are silicone powder.
It is another object of the present invention to provide a kind of preparation methods of polypropylene material, comprising the following steps:
(1) dried following components: 50-100 parts of polypropylene, 5-35 parts of ethylene-octene copolymer, POE grafting is weighed
3-10 parts of maleic anhydride, synergistic colour reinforcing agent 3-10 parts, 0.5-5 parts of color master-batch, 0.1-0.5 parts of antioxidant, lubricant
It 0.1-1.0 parts, is added in high-speed mixer together, 2-10min is stirred with the speed of 1000r/min；
(2) raw material mixed is added in double screw extruder, is granulated through melting extrusion, polypropylene material is made；
One area's temperature of the double screw extruder is 200-230 DEG C, and two area's temperature are 200-230 DEG C, and three area's temperature are 200-235
DEG C, four area's temperature are 210-235 DEG C, and five area's temperature are 210-220 DEG C, and six area's temperature are 220-230 DEG C；Double screw extruder
Revolving speed is 200-500rpm.
Further scheme, the preparation method of the color master-batch the following steps are included:
By 99 parts of ultra-low viscosity polypropylene, 0-20 parts of titanium dioxide, 0-2 parts of blue or green blue, 0-2 parts of dark green, titanium yellow powder 0-5
Part, 0.01-1 parts of carbon black, 0-2 parts of iron oxide red, high-speed mixer is added and is uniformly mixed, then the extruding pelletization in double screw extruder
Obtain color master-batch；The wherein processing conditions of double screw extruder are as follows: area's temperature is 200-230 DEG C, and two area's temperature are 200-
230 DEG C, three area's temperature are 200-235 DEG C, and four area's temperature are 210-235 DEG C, and five area's temperature are 210-220 DEG C, and six area's temperature are
220-230℃；Twin-screw engine speed is 200-500rpm.
Beneficial effects of the present invention:
1, present invention introduces the polypropylene of low viscosity, ensure that the mobility and processability of polypropylene material entirety；Synergistic
While coloring reinforcing agent makes material keep mechanics stability, make material integrally and have extraordinary colorability, good
Toner dispersibility.
2, the present invention is used using color master-batch, synergistic coloring reinforcing agent collaboration, and material keeps mechanics stability
Meanwhile making material integrally has extraordinary colorability, good toner dispersed.
3, polypropylene product prepared by the present invention is bright-colored, is evenly distributed, and property retention is good, has good color
Uniformity.
Specific embodiment
The following describes the present invention further through the description of specific embodiments, but it is to limit of the invention that this, which is not,
System, those skilled in the art's basic thought according to the present invention can make various modifications or improvements, but without departing from this
The basic thought of invention, is all within the scope of the present invention.
Polypropylene inherent viscosity is 3.0-3.2dl/g.
Ultra-low viscosity polypropylene inherent viscosity is 2.2-2.5dl/g.
Carbon black is activating surface free flowing black.
Synergistic colours the mixture that reinforcing agent is silicon carbide whisker, aluminium borate whisker 10:1 in mass ratio composition.
The grafting rate of POE grafted maleic anhydride is 1.8-2wt%.
Antioxidant is N, N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and phosphorous acid three
The mixture of (2,4- di-tert-butyl-phenyl) ester.
Lubricant is silicone powder.
Testing standard:
| Physical property | Test method |
| Tensile strength | ASTM D638 |
| Izod notch impact strength (izodtest) | ASTM D206 |
| Bending strength | ASTM D790 |
| Bending modulus | ASTM D790 |
| Toner disperses (tinting strength, tinting power) grade | UL94 range estimation |
Embodiment 1
(1) by 99 parts of ultra-low viscosity polypropylene, 1 part of carbon black, it is equal that high-speed mixer mixing the preparation of color master-batch: is added
Even, then extruding pelletization obtains color master-batch in double screw extruder.The processing conditions of double screw extruder an are as follows: Qu Wendu
It is 200 DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, 6th area
Temperature is 220 DEG C；Twin-screw engine speed is 300rpm.
(2) preparation of polypropylene material: dried following components is weighed by mass parts: 73 parts of polypropylene, ethylene-octene
20 parts of copolymer, 5 parts of POE grafted maleic anhydride, synergistic colours 5 parts of reinforcing agent, 1 part of color master-batch, 0.5 part of antioxidant, lubricates
0.5 part of agent；By the polypropylene weighed up, ethylene-octene copolymer, POE grafted maleic anhydride, synergistic coloring reinforcing agent, color masterbatch
Grain, antioxidant, lubricant are uniformly mixed by high-speed mixer, speed of agitator 1000r/min, incorporation time 6min；It will mix
The raw material got togather is added in double screw extruder, is granulated through melting extrusion, and polypropylene material is made.Double screw extruder adds
Work condition are as follows: area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, 5th area
Temperature is 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 300rpm.
Embodiment 2
(1) preparation of color master-batch: by 99 parts of ultra-low viscosity polypropylene, 15 parts of titanium dioxide, 0.5 part of dark green, iron oxide red 1.0
Part, 0.01 part of addition high-speed mixer of carbon black is uniformly mixed, and then extruding pelletization obtains color master-batch in double screw extruder.
The processing conditions of double screw extruder are as follows: area's temperature is 230 DEG C, and two area's temperature are 230 DEG C, and three area's temperature are 235 DEG C, 4th area
Temperature is 235 DEG C, and five area's temperature are 210 DEG C, and six area's temperature are 230 DEG C；Twin-screw engine speed is 500rpm.
(2) preparation of polypropylene material: dried following components is weighed by mass parts: 50 parts of polypropylene, ethylene-octene
35 parts of copolymer, 3 parts of POE grafted maleic anhydride, synergistic colours 10 parts of reinforcing agent, 5 parts of color master-batch, 0.1 part of antioxidant, lubricates
1.0 parts of agent；By the polypropylene weighed up, ethylene-octene copolymer, POE grafted maleic anhydride, synergistic coloring reinforcing agent, color masterbatch
Grain, antioxidant, lubricant are uniformly mixed by high-speed mixer, speed of agitator 1000r/min, incorporation time 2min；It will mix
The raw material got togather is added in double screw extruder, is granulated through melting extrusion, and polypropylene material is made.Double screw extruder adds
Work condition are as follows: area's temperature is 230 DEG C, and two area's temperature are 230 DEG C, and three area's temperature are 235 DEG C, and four area's temperature are 235 DEG C, 5th area
Temperature is 210 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 500rpm.
Embodiment 3
(1) preparation of color master-batch: by 99 parts of ultra-low viscosity polypropylene, 10 parts of titanium dioxide, 2.5 parts of titanium yellow powder, iron oxide red 0.5
Part, 0.01 part of addition high-speed mixer of carbon black is uniformly mixed, and then extruding pelletization obtains color master-batch in double screw extruder.
The processing conditions of double screw extruder are as follows: area's temperature is 220 DEG C, and two area's temperature are 215 DEG C, and three area's temperature are 220 DEG C, 4th area
Temperature is 230 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 225 DEG C；Twin-screw engine speed is 200rpm.
(2) preparation of polypropylene material: dried following components is weighed by mass parts: 100 parts of polypropylene, ethylene-is pungent
5 parts of alkene copolymer, 10 parts of POE grafted maleic anhydride, 3 parts of reinforcing agent of synergistic coloring, 0.5 part of color master-batch, 0.3 part of antioxidant,
0.1 part of lubricant；By the polypropylene weighed up, ethylene-octene copolymer, POE grafted maleic anhydride, synergistic coloring reinforcing agent,
Masterbatch, antioxidant, lubricant are uniformly mixed by high-speed mixer, speed of agitator 1000r/min, incorporation time 10min；
The raw material mixed is added in double screw extruder, is granulated through melting extrusion, polypropylene material is made.Double screw extruder
Processing conditions are as follows: area's temperature be 210 DEG C, two area's temperature be 215 DEG C, three area's temperature be 220 DEG C, four area's temperature be 230 DEG C,
Five area's temperature are 220 DEG C, and six area's temperature are 230 DEG C；Twin-screw engine speed is 200rpm.
Comparative example 1
Difference with embodiment 1 is that toner auxiliary agent is not made into color master-batch.
Dried following components is weighed by mass parts: 73 parts of polypropylene, 0.99 part of ultra-low viscosity polypropylene, ethylene-is pungent
20 parts of alkene copolymer, 5 parts of POE grafted maleic anhydride, synergistic colours 5 parts of reinforcing agent, 0.01 part of carbon black, 0.5 part of antioxidant, lubricates
0.5 part of agent；By the polypropylene weighed up, ultra-low viscosity polypropylene, ethylene-octene copolymer, POE grafted maleic anhydride, synergistic
Color reinforcing agent, toner auxiliary agent, antioxidant, lubricant are uniformly mixed by high-speed mixer, and speed of agitator 1000r/min is mixed
Close time 6min；The raw material mixed is added in double screw extruder, is granulated through melting extrusion, polypropylene material is made.
The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, 4th area
Temperature is 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220 DEG C；Twin-screw engine speed is 300rpm.
Comparative example 2
Difference with embodiment 1 is not plus synergistic colours reinforcing agent:
(1) by 99 parts of ultra-low viscosity polypropylene, 1 part of carbon black, it is equal that high-speed mixer mixing the preparation of color master-batch: is added
Even, then extruding pelletization obtains color master-batch in double screw extruder.The processing conditions of double screw extruder an are as follows: Qu Wendu
It is 200 DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, 6th area
Temperature is 220 DEG C；Twin-screw engine speed is 300rpm.
(2) preparation of fiber glass reinforced polypropylene material: dried following components is weighed by mass parts: 73 parts of polypropylene,
20 parts of ethylene-octene copolymer, 5 parts of POE grafted maleic anhydride, 1 part of color master-batch, 0.5 part of antioxidant, 0.5 part of lubricant；It will
Polypropylene, ethylene-octene copolymer, POE grafted maleic anhydride, color master-batch, antioxidant, the lubricant weighed up is mixed by high speed
Conjunction machine is uniformly mixed, speed of agitator 1000r/min, incorporation time 6min；The raw material mixed is added to twin-screw extrusion
It in machine, is granulated through melting extrusion, polypropylene material is made.The processing conditions of double screw extruder are as follows: area's temperature is 200 DEG C,
Two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are 220
℃；Twin-screw engine speed is 300rpm.
Comparative example 3
With embodiment 1 difference be toner auxiliary agent be not made into color master-batch, plus synergistic coloring reinforcing agent:
Dried following components is weighed by mass parts: 73 parts of polypropylene, 0.99 part of ultra-low viscosity polypropylene, ethylene-is pungent
20 parts of alkene copolymer, 5 parts of POE grafted maleic anhydride, 0.01 part of carbon black, 0.5 part of antioxidant, 0.5 part of lubricant；It is poly- by what is weighed up
Propylene, ultra-low viscosity polypropylene, ethylene-octene copolymer, POE grafted maleic anhydride, carbon black, antioxidant, lubricant pass through height
Fast mixing machine is uniformly mixed, speed of agitator 1000r/min, incorporation time 6min；The raw material mixed is added to twin-screw
It in extruder, is granulated through melting extrusion, polypropylene material is made.The processing conditions of double screw extruder are as follows: area's temperature is 200
DEG C, two area's temperature are 205 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 220 DEG C, and five area's temperature are 220 DEG C, and six area's temperature are
220℃；Twin-screw engine speed is 300rpm.
Above-described embodiment 1-3 and comparative example 1-3 polypropylene material prepared is molded into phase according to GB testing standard respectively
Batten is answered, is tested after then being placed 24 hours in the environment of 23 ± 2 DEG C, 50 ± 5% relative humidity, performance test is such as
Under:
1 performance data of table
It can be seen that from the performance comparison of upper table embodiment 1-3 and comparative example 1-3, the present invention is by the way that toner auxiliary agent to be improved to
Color master-batch form, while the addition of synergistic coloring reinforcing agent, are effectively keeping the same of the mechanical property of polypropylene material product
When, be conducive to the coloring of color master-batch, make that product colour is bright-coloured, is evenly distributed.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementation cases here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (9)
1. a kind of polypropylene material, which is characterized in that it is prepared by weight by following components:
50-100 parts of polypropylene,
5-35 parts of ethylene-octene copolymer,
3-10 parts of POE grafted maleic anhydride,
Synergistic colours reinforcing agent 3-10 parts,
0.5-5 parts of color master-batch,
0.1-0.5 parts of antioxidant,
0.1-1.0 parts of lubricant.
2. polypropylene material according to claim 1, which is characterized in that the polyacrylic inherent viscosity is 3.0-
3.2dl/g。
3. polypropylene material according to claim 1, which is characterized in that the grafting rate of the POE grafted maleic anhydride is
1.8-2wt%。
4. polypropylene material according to claim 1, which is characterized in that the synergistic coloring reinforcing agent is inorganic crystalline substance
Palpus.
5. polypropylene material according to claim 4, which is characterized in that the inorganic crystal whisker is silicon carbide whisker, boron
The mixture of sour al whisker 10:1 in mass ratio composition.
6. polypropylene material according to claim 1, which is characterized in that the color master-batch by following components by weight
Composition:
99 parts of ultra-low viscosity polypropylene,
0-20 parts of titanium dioxide,
0-2 parts of blue or green blue,
0-2 parts of dark green,
0-5 parts of titanium yellow powder,
0.01-1 parts of carbon black,
0-2 parts of iron oxide red.
7. polypropylene material according to claim 1, which is characterized in that the ultra-low viscosity polypropylene inherent viscosity is
2.2-2.5dl/g；The carbon black is activating surface free flowing black.
8. polypropylene material according to claim 1, which is characterized in that the antioxidant is N, N'- is bis--(3- (3,5-
Di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine and phosphorous acid three (2,4- di-tert-butyl-phenyl) ester mixture, it is described
Lubricant is silicone powder.
9. the preparation method of the described in any item polypropylene materials of claim 1-8, which comprises the following steps:
(1) dried following components: 50-100 parts of polypropylene, 5-35 parts of ethylene-octene copolymer, POE grafting Malaysia is weighed
3-10 parts of acid anhydrides, synergistic colour reinforcing agent 3-10 parts, 0.5-5 parts of color master-batch, 0.1-0.5 parts of antioxidant, lubricant 0.1-1.0
Part, it is added in high-speed mixer together, 2-10min is stirred with the speed of 1000r/min；
(2) raw material mixed is added in double screw extruder, is granulated through melting extrusion, polypropylene material is made；It is described
One area's temperature of double screw extruder be 200-230 DEG C, two area's temperature be 200-230 DEG C, three area's temperature be 200-235 DEG C, four
Area's temperature is 210-235 DEG C, and five area's temperature are 210-220 DEG C, and six area's temperature are 220-230 DEG C；The revolving speed of double screw extruder
For 200-500rpm.
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| CN113912875A (en) * | 2021-09-16 | 2022-01-11 | 宁波色母粒股份有限公司 | Preparation method of polypropylene color master batch |
| CN114621520A (en) * | 2022-03-16 | 2022-06-14 | 金发科技股份有限公司 | Glass fiber reinforced black polypropylene modified material and preparation method and application thereof |
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2018
- 2018-01-23 CN CN201810065514.3A patent/CN110066453A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113912875A (en) * | 2021-09-16 | 2022-01-11 | 宁波色母粒股份有限公司 | Preparation method of polypropylene color master batch |
| CN113912875B (en) * | 2021-09-16 | 2023-07-04 | 宁波色母粒股份有限公司 | Preparation method of polypropylene masterbatch |
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