CN106566070A - Modified polypropylene material and preparation method thereof - Google Patents
Modified polypropylene material and preparation method thereof Download PDFInfo
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- CN106566070A CN106566070A CN201610920774.5A CN201610920774A CN106566070A CN 106566070 A CN106566070 A CN 106566070A CN 201610920774 A CN201610920774 A CN 201610920774A CN 106566070 A CN106566070 A CN 106566070A
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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
- 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
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Abstract
The invention discloses a modified polypropylene material. The modified polypropylene material comprises, by weight, 80-140 parts of polypropylene, 30-40 parts of a styrene-butadiene-styrene block polymer, 20-30 parts of polyurethane resin, 5-10 parts of hydroxyl-terminated hyperbranched polyester, 8-15 parts of chlorinated polyethylene, 1-2 parts of iron powder, 3-8 parts of fluorosilicone oil and 1-3 parts of an antioxidant. The polyurethane resin and the hydroxyl-terminated hyperbranched polyester added to raw materials are blended with the polypropylene and the styrene-butadiene-styrene block polymer to make the modified polypropylene material have improved wear resistance, ageing resistance and toughness, and the addition of the chlorinated polyethylene and the iron powder makes the modified polypropylene material have good sound insulation performance, so the modified polypropylene material can be used in the building field as a sound insulation assisting material of doors and windows, and the use of the modified polypropylene material is developed.
Description
Technical field
The present invention relates to vapour macromolecular material and its processing and forming field.It is more particularly related to a kind of modified
Polypropylene material and preparation method thereof.
Background technology
Polypropylene plastics products are widely used in industrial departments such as chemical industry, building, light industry, automobile, household electrical appliances, packagings.
Common polypropylene is nontoxic, tasteless, and density is little, with good dielectric properties and high-frequency insulation and does not receive humidity
Affect, be suitable to make the organic solvents such as common mechanical part, corrosion-resistant part and insulating part, common acid, alkali to it almost
Do not work, can be used for tableware, but become fragile when also there is obvious shortcoming, such as low temperature, not wear-resisting, easy aging and toughness is not
OK etc..
With the development of industry, requirement more and more higher of the people to material property, therefore by polypropylene articles through being modified,
Give its high-performance, meet requirements at the higher level of the people to material so as to wearability more preferably, more resistant to aging, toughness is people more preferably
Constantly explore, improved direction, while make polypropylene articles that there is preferable sound insulation value by addition other materials, so as to can
As the sound insulation auxiliary material on building field such as door and window, the purposes of polypropylene material has been expanded.
The content of the invention
It is an object of the invention to solve the above problems, and provide the advantage that will be described later.
It is a still further object of the present invention to provide a kind of modified polypropylene material and preparation method thereof, by adding in the feed
Plus polyurethane resin and superbrnaching end-hydroxy polyester, make modified polypropylene material wearability, ageing-resistant, impact resistance and toughness more
It is good, while making it have preferable sound insulation value by adding chlorinated polyethylene and iron powder, expand the purposes of polypropylene material.
In order to realize these purposes of the invention and further advantage, there is provided a kind of modified polypropylene material, including
The raw material of following weight portion:
80~140 parts of polypropylene, 30~40 parts of styrene butadiene styrene block copolymer (SBS), polyurethane resin 20~
30 parts, 5~10 parts of superbrnaching end-hydroxy polyester, 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder, 3~8 parts of fluorinated silicone oil and
1~3 part of antioxidant.
Preferably, also including the raw material of following weight portion:10~30 parts of inorganic active filler, 1~5 part of calcium silicates, titanium
1~3 part of 1~2 part of white lead, 3~8 parts of Zinc Oxide and maleic anhydride stem grafting polyolefin.
Preferably, including following weight portion raw material:
100 parts of polypropylene, 35 parts of styrene butadiene styrene block copolymer (SBS), 25 parts of polyurethane resin, terminal hydroxy group
7 parts of hyper-branched polyester, 10 parts of chlorinated polyethylene, 1 part of iron powder, 5 parts of fluorinated silicone oil, 2 parts of antioxidant, 25 parts of inorganic active filler,
2 parts of 4 parts of calcium silicates, 2 parts of titanium dioxide, 5 parts of Zinc Oxide and maleic anhydride stem grafting polyolefin.
Preferably, the antioxidant is that mass ratio is 4:12,6- three-levels butyl -4- methylphenols and three monooctyl esters.
The present invention also provides a kind of preparation method of modified polypropylene material, comprises the following steps:
Step one:Count by weight, weigh after 80~140 parts of polypropylene and to be dried 10 at 60 DEG C in an oven~
20~30 parts of polyurethane resins are dried in an oven 10~20min by 20min at 80 DEG C, weigh 30~40 parts of styrene-fourths
Styrene block copolymer and 3~8 parts of fluorinated silicone oils, are put in mixer and stir, to s-B-S
After block copolymer blots fluorinated silicone oil, polypropylene and polyurethane resin after processing respectively are added, add terminal hydroxy group and surpass
1~3 part of 5~10 parts of branched polyester, 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder and antioxidant are in mixer, and stirring is equal
It is even to obtain mixture;
Step 2:By the mixture Jing double screw extruder extruding pelletizations, the temperature setting of the double screw extruder
For 150~200 DEG C, the rotating speed of the double screw extruder is 150~300r/min.
Preferably, add in the step one after 5~10 parts of superbrnaching end-hydroxy polyester and first stir 5~10min, then
Add 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder, 1~3 part of antioxidant, 10~30 parts of inorganic active filler, calcium silicates 1~5
Part, 1~2 part of titanium dioxide, 3~8 parts of Zinc Oxide and 1~3 part of maleic anhydride stem grafting polyolefin, continue 10~20min of stirring and obtain
To the mixture.
Preferably, the polypropylene in the step one be random polypropylene, weigh after 80~140 parts of random polypropylenes
It is dried at 60 DEG C in baking oven and irradiation is carried out to random polypropylene with the gamma-rays of 5~10kGy dosage after 10~20min;
In the step 2 before double screw extruder extruding pelletization, mixed with described in argon and oxygen mix corona treatment
Compound, and wherein the volume ratio of argon and oxygen is 4:3.
Preferably, before in the step 2 with argon and mixture described in oxygen mix corona treatment, first by institute
State mixture and 1.5~2.5h placed at -4~0 DEG C, be then that 20~30min is placed at 60~75 DEG C by the mixture,
Again using plasma is processed.
The present invention at least includes following beneficial effect:
Styrene butadiene styrene block copolymer (SBS) and poly- third is mainly adopted in the modified polypropylene material of the present invention
Alkene is blended, and the cryogenic property and impact strength of modified polypropylene material can be obviously improved, by adding polyurethane tree in the feed
Fat and superbrnaching end-hydroxy polyester, Hyperbranched Polymer with Terminal Hydroxyl as polyurethane resin activeness and quietness auxiliary agent, while effect
Make wearability, weatherability, the ageing-resistant and toughness of modified polypropylene material more preferably.Chlorination by addition as base material simultaneously gathers
Make modified polypropylene material that there is preferable sound insulation value after ethylene and the combination of a small amount of iron powder, so as to can be used as building field such as door
Sound insulation auxiliary material on window, has expanded the purposes of modified polypropylene material.
In the preparation method of the modified polypropylene material of the present invention, polypropylene is dried into energy at 60 DEG C in an oven in advance
Follow-up mixing is set to make more convenient and other resin crosslinks blendings, and polyurethane resin can improve modified poly- third as material modified
The wearability of alkene material, ageing-resistant etc., while in advance by polyurethane resin, in an oven the drying at 80 DEG C can make its more preferable
Its bonding effect having is played, is easy to various kinds of resin hybrid process, also can preferably strengthen the impact resistance of subsequent mixtures
Energy.
The further advantage of the present invention, target and feature embody part by description below, and part will also be by this
The research of invention and practice and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to description
Word can be implemented according to this.
Embodiment 1
Modified polypropylene material includes the raw material of following weight portion:80 parts of polypropylene, s-B-S
30 parts of block copolymer, 20 parts of polyurethane resin, 5 parts of superbrnaching end-hydroxy polyester, 8 parts of chlorinated polyethylene, 1 part of iron powder, fluorination
1 part of 3 parts of silicone oil and antioxidant.
Embodiment 2
Modified polypropylene material includes the raw material of following weight portion:140 parts of polypropylene, s-B-S
40 parts of block copolymer, 30 parts of polyurethane resin, 10 parts of superbrnaching end-hydroxy polyester, 15 parts of chlorinated polyethylene, 2 parts of iron powder, fluorine
SiClx oil 8 parts and 3 parts of antioxidant.
Embodiment 3
Modified polypropylene material includes the raw material of following weight portion:100 parts of polypropylene, s-B-S
35 parts of block copolymer, 25 parts of polyurethane resin, 7 parts of superbrnaching end-hydroxy polyester, 10 parts of chlorinated polyethylene, 1 part of iron powder, fluorination
2 parts of 5 parts of silicone oil and antioxidant.
Embodiment 4
Modified polypropylene material includes the raw material of following weight portion:80 parts of polypropylene, s-B-S
30 parts of block copolymer, 20 parts of polyurethane resin, 5 parts of superbrnaching end-hydroxy polyester, 8 parts of chlorinated polyethylene, 1 part of iron powder, fluorination
3 parts of silicone oil, 1 part of antioxidant, 10 parts of inorganic active filler, 1 part of calcium silicates, 1 part of titanium dioxide, 3 parts of Zinc Oxide and maleic anhydride
1 part of graft polyolefin.Wherein, the addition of Zinc Oxide can preferably improve the ageing-resistant performance of modified polypropylene material.
Embodiment 5
Modified polypropylene material includes the raw material of following weight portion:140 parts of polypropylene, s-B-S
40 parts of block copolymer, 30 parts of polyurethane resin, 10 parts of superbrnaching end-hydroxy polyester, 15 parts of chlorinated polyethylene, 2 parts of iron powder, fluorine
8 parts of SiClx oil, 3 parts of antioxidant, 30 parts of inorganic active filler, 5 parts of calcium silicates, 2 parts of titanium dioxide, 8 parts of Zinc Oxide and maleic acid
3 parts of acid anhydride graft polyolefin.
Embodiment 6
Modified polypropylene material includes the raw material of following weight portion:100 parts of polypropylene, s-B-S
35 parts of block copolymer, 25 parts of polyurethane resin, 7 parts of superbrnaching end-hydroxy polyester, 10 parts of chlorinated polyethylene, 1 part of iron powder, fluorination
5 parts of silicone oil, 2 parts of antioxidant, 25 parts of inorganic active filler, 4 parts of calcium silicates, 2 parts of titanium dioxide, 5 parts of Zinc Oxide and maleic anhydride
2 parts of graft polyolefin.
Embodiment 7
Step one:Count by weight, weigh after 80 parts of polypropylene and to be dried 10min at 60 DEG C in an oven, by 20 parts
Polyurethane resin is dried 10min at 80 DEG C in an oven, weighs 30 parts of styrene butadiene styrene block copolymer (SBS) and 3
Part fluorinated silicone oil, is put in mixer and stirs, after to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted,
Polypropylene and polyurethane resin after being respectively dried are added, 5 parts of superbrnaching end-hydroxy polyester, 8 parts of chlorinated polyethylene, ferrum is added
1 part of 1 part of powder and antioxidant are uniformly mixing to obtain mixture in mixer.
Step 2:Mixture pelletize Jing after double screw extruder extrusion, the temperature of the double screw extruder are set
150 DEG C are set to, the rotating speed of the double screw extruder is 150r/min.
Embodiment 8
Step one:Count by weight, weigh after 140 parts of polypropylene and to be dried 20min at 60 DEG C in an oven, by 30 parts
Polyurethane resin is dried 20min at 80 DEG C in an oven, weighs 40 parts of styrene butadiene styrene block copolymer (SBS) and 8
Part fluorinated silicone oil, is put in mixer and stirs, after to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted,
Addition be respectively dried after polypropylene and polyurethane resin, add 10 parts of superbrnaching end-hydroxy polyester, 15 parts of chlorinated polyethylene,
3 parts of 2 parts of iron powder and antioxidant are uniformly mixing to obtain mixture in mixer.
Step 2:Mixture pelletize Jing after double screw extruder extrusion, the temperature of the double screw extruder are set
200 DEG C are set to, the rotating speed of the double screw extruder is 300r/min.
Embodiment 9
Step one:Count by weight, weigh after 100 parts of polypropylene and to be dried 15min at 60 DEG C in an oven, by 25 parts
Polyurethane resin is dried 15min at 80 DEG C in an oven, weighs 35 parts of styrene butadiene styrene block copolymer (SBS) and 5
Part fluorinated silicone oil, is put in mixer and stirs, after to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted,
Addition be respectively dried after polypropylene and polyurethane resin, add 7 parts of superbrnaching end-hydroxy polyester, 10 parts of chlorinated polyethylene,
2 parts of 1 part of iron powder and antioxidant are uniformly mixing to obtain mixture in mixer.
Step 2:Mixture pelletize Jing after double screw extruder extrusion, the temperature of the double screw extruder are set
180 DEG C are set to, the rotating speed of the double screw extruder is 200r/min.
Embodiment 10
Step one:Count by weight, weigh after 80 parts of random polypropylenes and to be dried after 10min at 60 DEG C in an oven,
Then irradiation is carried out to random polypropylene with the gamma-rays of 5kGy dosage, 20 parts of polyurethane resins is done in an oven at 80 DEG C
Dry 10min, weighs 30 parts of styrene butadiene styrene block copolymer (SBS) and 3 parts of fluorinated silicone oils, is put in mixer and stirs,
After to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted, add radiation treatment after random polypropylene and
Dried polyurethane resin, to add and stir 5min after 5 parts of superbrnaching end-hydroxy polyester, be subsequently adding 8 parts of chlorinated polyethylene,
1 part of iron powder, 1 part of antioxidant, 10 parts of inorganic active filler, 1 part of calcium silicates, 1 part of titanium dioxide, 3 parts of Zinc Oxide and maleic anhydride
1 part of graft polyolefin, continues stirring 10min and obtains the mixture.
Step 2:The mixture is placed into 1.5h at -4 DEG C, is then to place at 60 DEG C by the mixture
20min, then using argon and mixture described in oxygen mix corona treatment, and wherein the volume ratio of argon and oxygen is 4:
3, by process after the mixture Jing double screw extruder extruding pelletizations, the temperature setting of the double screw extruder is 150
DEG C, the rotating speed of the double screw extruder is 150r/min.
Embodiment 11
Step one:Count by weight, weigh after 140 parts of random polypropylenes and to be dried after 20min at 60 DEG C in an oven,
Then irradiation is carried out to random polypropylene with the gamma-rays of 10kGy dosage, by 30 parts of polyurethane resins in an oven at 80 DEG C
20min is dried, 40 parts of styrene butadiene styrene block copolymer (SBS) and 8 parts of fluorinated silicone oils are weighed, is put in mixer and is stirred
Mix, after to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted, add random poly- third after radiation treatment
Alkene and dried polyurethane resin, add 10 parts of stirring 10min of superbrnaching end-hydroxy polyester, are subsequently adding chlorinated polyethylene
15 parts, 2 parts of iron powder, 3 parts of antioxidant, 30 parts of inorganic active filler, 5 parts of calcium silicates, 2 parts of titanium dioxide, 8 parts of Zinc Oxide and Malaysia
3 parts of acid anhydride-grafted polyolefin, continues stirring 20min and obtains the mixture.
Step 2:The mixture is placed into 2.5h at 0 DEG C, is then to place at 75 DEG C by the mixture
30min, then using argon and mixture described in oxygen mix corona treatment, and wherein the volume ratio of argon and oxygen is 4:
3, by process after the mixture Jing double screw extruder extruding pelletizations, the temperature setting of the double screw extruder is 200
DEG C, the rotating speed of the double screw extruder is 300r/min.
Embodiment 12
Step one:Count by weight, weigh after 100 parts of random polypropylenes and to be dried after 15min at 60 DEG C in an oven,
Then irradiation is carried out to random polypropylene with the gamma-rays of 8kGy dosage, 25 parts of polyurethane resins is done in an oven at 80 DEG C
Dry 15min, weighs 35 parts of styrene butadiene styrene block copolymer (SBS) and 5 parts of fluorinated silicone oils, is put in mixer and stirs,
After to styrene butadiene styrene block copolymer (SBS) fluorinated silicone oil is blotted, add radiation treatment after random polypropylene and
Dried polyurethane resin, to add and stir 8min after 7 parts of superbrnaching end-hydroxy polyester, is subsequently adding chlorinated polyethylene 10
Part, 1 part of iron powder, 2 parts of antioxidant, 25 parts of inorganic active filler, 4 parts of calcium silicates, 2 parts of titanium dioxide, 5 parts of Zinc Oxide and maleic acid
2 parts of acid anhydride graft polyolefin, continues stirring 15min and obtains the mixture.
Step 2:The mixture is placed into 2h at -2 DEG C, is then to place at 65 DEG C by the mixture
25min, places at low temperature " wake-up " its activity at 65 DEG C, can improve its tolerance to cold.Using argon and oxygen mix etc.
The gas ions process mixture, and wherein the volume ratio of argon and oxygen is 4:3, by process after the double spiral shells of the mixture Jing
Bar extruder extruding pelletization, the temperature setting of the double screw extruder is 180 DEG C, and the rotating speed of the double screw extruder is
200r/min.Formed compared with polyradical during argon and oxygen mix corona treatment mixture, increased polypropylene
Surface reaction activity, make polypropylene surface that there is more preferable adhesiveness, be easy to polypropylene more preferable with other various kinds of resin materials
Crosslinking mixing reach modifying function, make the intensity and toughness of modified polypropylene material more preferably.
In order to illustrate the effect of the present invention, inventor after under conventional approaches mixing according to the formula of embodiment 3 double
The material that screw extruder extruding pelletization is obtained makees the material prepared according to the method for embodiment 12 as 1 group of material
For 2 groups of materials, by commercially available plain polypropylene material 1 group of material as a comparison, by poly- third in only with the formula of embodiment 3
Alkene, styrene butadiene styrene block copolymer (SBS), fluorinated silicone oil and antioxidant, and preparation method is complete with 1 group of material
It is identical, the material for preparing 2 groups of materials as a comparison, to 1 group of material, 2 groups of materials, 2 groups of materials of 1 group of material of contrast and contrast
Material is under equal conditions carried out after performance test, obtains the results are shown in Table 1:
The material properties test result of table 1
Test parameter | 1 group of material | 2 groups of materials | Contrast 1 group of material | Contrast 2 groups of materials |
Impact strength (J/M) | 630 | 640 | 550 | 580 |
Tensile strength (MPa) | 22 | 23 | 19 | 18 |
Percentage elongation (%) | 530 | 560 | 490 | 470 |
Bending strength (MPa) | 30 | 31 | 25 | 28 |
Bending moduluses (MPa) | 1261 | 1318 | 986 | 1181 |
Impact test | Without breakage | Without breakage | Little damage | Little damage |
Elongation at break (%) | 793 | 825 | 520 | 593 |
Acoustic absorptivity | 0.75 | 0.86 | 0.34 | 0.45 |
As can be seen from Table 1, impact strength, tensile strength, bending strength, extension at break in 1 group of material and 2 groups of materials
The parameters such as rate are superior to 2 groups of materials of 1 group of material of contrast and contrast, show to add in the raw material of the present invention polyurethane resin and
Superbrnaching end-hydroxy polyester, makes modified polypropylene material intensity, rigidity and toughness more preferably, while the chlorinated polyethylene and ferrum of addition
Powder makes modified polypropylene material have preferable sound insulation value, and because 2 groups of materials are prepared using the method for embodiment 12,
Therefore the performance of 2 groups of materials is integrally better than the performance of 1 group of material.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment
With, it can be applied to completely various suitable the field of the invention, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (8)
1. a kind of modified polypropylene material, it is characterised in that including the raw material of following weight portion:
80~140 parts of polypropylene, 30~40 parts of styrene butadiene styrene block copolymer (SBS), polyurethane resin 20~30
Part, 5~10 parts of superbrnaching end-hydroxy polyester, 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder, 3~8 parts of fluorinated silicone oil and anti-
1~3 part of oxygen agent.
2. modified polypropylene material as claimed in claim 1, it is characterised in that also including the raw material of following weight portion:Activity
10~30 parts of inorganic filler, 1~5 part of calcium silicates, 1~2 part of titanium dioxide, 3~8 parts of Zinc Oxide and maleic anhydride stem grafting polyolefin
1~3 part.
3. modified polypropylene material as claimed in claim 2, it is characterised in that including the raw material of following weight portion:
100 parts of polypropylene, 35 parts of styrene butadiene styrene block copolymer (SBS), 25 parts of polyurethane resin, terminal hydroxy group over-expense
Change 7 parts of polyester, 10 parts of chlorinated polyethylene, 1 part of iron powder, 5 parts of fluorinated silicone oil, 2 parts of antioxidant, 25 parts of inorganic active filler, silicic acid
2 parts of 4 parts of calcium, 2 parts of titanium dioxide, 5 parts of Zinc Oxide and maleic anhydride stem grafting polyolefin.
4. modified polypropylene material as claimed in claim 1, it is characterised in that it is 4 that the antioxidant is mass ratio:The 2 of 1,
6- three-levels butyl -4- methylphenols and three monooctyl esters.
5. a kind of preparation method of modified polypropylene material, it is characterised in that comprise the following steps:
Step one:Count by weight, weigh after 80~140 parts of polypropylene and to be dried 10~20min at 60 DEG C in an oven, will
20~30 parts of polyurethane resins are dried in an oven 10~20min at 80 DEG C, weigh 30~40 parts of styrene-butadiene-benzene
Ethylene block copolymer and 3~8 parts of fluorinated silicone oils, are put in mixer and stir, common to s-B-S block
After polymers blots fluorinated silicone oil, polypropylene and polyurethane resin after processing respectively are added, add superbrnaching end-hydroxy and gather
1~3 part of 5~10 parts of ester, 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder and antioxidant are uniformly mixing to obtain in mixer
Mixture;
Step 2:By the mixture Jing double screw extruder extruding pelletizations, the temperature setting of the double screw extruder is 150
~200 DEG C, the rotating speed of the double screw extruder is 150~300r/min.
6. the preparation method of modified polypropylene material as claimed in claim 5, it is characterised in that add end in the step one
5~10min is first stirred after 5~10 parts of hydroxyl hyper-branched polyester, 8~15 parts of chlorinated polyethylene, 1~2 part of iron powder is subsequently adding, is resisted
1~3 part of oxygen agent, 10~30 parts of inorganic active filler, 1~5 part of calcium silicates, 1~2 part of titanium dioxide, 3~8 parts of Zinc Oxide and horse
1~3 part of maleic anhydride grafted polyolefin, continues 10~20min of stirring and obtains the mixture.
7. the preparation method of modified polypropylene material as claimed in claim 5, it is characterised in that poly- third in the step one
Alkene is random polypropylene, weigh after 80~140 parts of random polypropylenes be dried at 60 DEG C in an oven after 10~20min with 5~
The gamma-rays of 10kGy dosage carry out irradiation to random polypropylene;
In the step 2 before double screw extruder extruding pelletization, mixed with described in argon and oxygen mix corona treatment
Thing, and wherein the volume ratio of argon and oxygen is 4:3.
8. the preparation method of modified polypropylene material as claimed in claim 7, it is characterised in that use argon in the step 2
Before mixture described in oxygen mix corona treatment, first the mixture is placed into 1.5~2.5h at -4~0 DEG C, so
It is afterwards that 20~30min is placed at 60~75 DEG C by the mixture, then using plasma is processed.
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CN113943457A (en) * | 2021-11-12 | 2022-01-18 | 阿姆斯壮地面材料(中国)有限公司 | Preparation process of environment-friendly homogeneous permeable floor |
CN114456498A (en) * | 2020-10-22 | 2022-05-10 | 中国石油化工股份有限公司 | High-rigidity wear-resistant polypropylene composition and preparation method thereof |
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