CN108727698A - A kind of preparation method and products thereof of fiber reinforced polypropylene composite material - Google Patents
A kind of preparation method and products thereof of fiber reinforced polypropylene composite material Download PDFInfo
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- 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
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- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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Abstract
The invention discloses a kind of preparation methods and products thereof of fiber reinforced polypropylene composite material,Fiber reinforced polypropylene composite material is by polypropylene matrix,Polyethylene,Carbon fiber,Modified acrylic fibre,Maleic anhydride inoculated polypropylene,Nucleating agent,Antiaging agent,Antioxidant and eliminating smell agent are uniform through high-temperature stirring,It is prepared after melt blending extruding pelletization,The intensity of reinforced polypropylene compound material is realized by carbon fiber and modified acrylic fibre,Modified acrylic fibre can also play foaming effect,In addition the carbon fiber of lightweight,Realize the purpose of lightweight production,The addition of polyethylene is conducive to improve the toughness of PP composite material,Antiaging agent, which is added, can significantly improve the ageing resistance of composite material,Prolong the service life,In addition,The inoxidizability of composite material can also be improved,The peculiar smell in air can be adsorbed,Improve air quality,Preparation process is simple,Cost is relatively low,The lightweight production of automobile can be achieved,It has a extensive future.
Description
Technical field
The present invention relates to polypropylene material technical field, more particularly to a kind of preparation of fiber reinforced polypropylene composite material
Method and products thereof.
Background technology
As the polypropylene of one of instantly four big general-purpose plastics, have in industrial or agricultural, communications and transportation and daily life
It is widely applied, how to realize polyacrylic modification and improves polyacrylic performance as much-talked-about topic in recent years.
Polyacrylonitrile have organic solvent resistance, light resistance, against weather, fungus resistance, good chemical stability,
Thermal stability and solution-polymerized SBR film processing performance etc., and polyacrylonitrile derives from a wealth of sources, is cheap, is a kind of ideal
Material of preparing.The advantages of how utilizing acrylic resin and polyacrylonitrile fibre and the worth discussion of the value for achieving the two, however
Existing research is still not mature enough.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of fiber reinforced polypropylene in view of the above technical problems
Preparation method of composite material and products thereof.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of preparation method of fiber reinforced polypropylene composite material, includes the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent, polypropylene matrix are that melt index is
The acrylic resin of 2-20g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
Further, in step S1, the preparation process of modified acrylic fibre is：At room temperature, by polyacrylonitrile fibre
It is mixed with certain density hydrazine hydrate solution, is then heated to 85-140 DEG C, insulation reaction 1.5-2.5h adjusts the pH value of solution
To 10-11, modified acrylic fibre is obtained, eliminating smell agent uses silver-ion antibiotic liquid, acetic acid and castor oil in mass ratio 1:2:3
Mixture.
Further, it in step S1, counts in parts by weight, each reaction raw materials include：50-70 parts of polypropylene matrix, poly- second
15-25 parts of alkene, 10-20 parts of carbon fiber, 10-20 parts of modified acrylic fibre, 10-25 parts of maleic anhydride inoculated polypropylene, at
3-10 parts of 8-15 parts of core agent, 4-9 parts of antiaging agent, 5-12 parts of antioxidant and eliminating smell agent.
Further, in step S2, polypropylene matrix, polyethylene, carbon fiber, the modified polyacrylonitrile in step S1 is fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent and antioxidant be sequentially placed in high speed agitator and 150-190 DEG C,
6-15min is stirred under 800-1200r/min condition of heating and stirring.
Further, in step S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, carbon fiber, changes polyethylene
Property polyacrylonitrile fibre, maleic anhydride inoculated polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent are in high-speed stirred
Whipping temp in device is set as 160-190 DEG C, and mixing speed is set as 800-1200r/min, stirs 10-15min.
Further, in step S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：
185-200 DEG C, 190-205 DEG C, 195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-5min, pressure control exists
8-18MPa。
Further, by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, maleic anhydride grafting poly- third
Alkene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent are made.
Compared with prior art, beneficial effects of the present invention are：
The invention discloses a kind of preparation methods and products thereof of fiber reinforced polypropylene composite material, and fiber reinforced polypropylene is multiple
Condensation material by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, maleic anhydride inoculated polypropylene, nucleating agent,
Antiaging agent, antioxidant and eliminating smell agent uniformly, after melt blending extruding pelletization are prepared through high-temperature stirring, pass through carbon fiber
Realize that the intensity of reinforced polypropylene compound material, modified acrylic fibre can also play foaming and make with modified acrylic fibre
With the carbon fiber of lightweight, realizes that the purpose of lightweight production, the addition of polyethylene are conducive to improve PP composite material in addition
Toughness, antiaging agent, which is added, can significantly improve the ageing resistance of composite material, prolong the service life, moreover it is possible to improve
The inoxidizability of composite material can adsorb the peculiar smell in air, improve air quality, preparation process is simple, and cost is relatively low, can
The lightweight production for realizing automobile, has a extensive future.
Specific implementation mode
Technical scheme of the present invention is described in detail below by specific implementation mode.
A kind of fiber reinforced polypropylene composite material, it is fine by polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent are made.
A kind of preparation method of fiber reinforced polypropylene composite material, includes the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent, polypropylene matrix are that melt index is
The acrylic resin of 2-20g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
It in step S1, counts in parts by weight, each reaction raw materials include：50-70 parts of polypropylene matrix, 15-25 parts of polyethylene,
10-20 parts of carbon fiber, 10-20 parts of modified acrylic fibre, 10-25 parts of maleic anhydride inoculated polypropylene, 8-15 parts of nucleating agent,
4-9 parts of antiaging agent, 5-12 parts of antioxidant and 3-10 parts of eliminating smell agent, the preparation process of modified acrylic fibre are：Room temperature
Under, polyacrylonitrile fibre is mixed with certain density hydrazine hydrate solution, is then heated to 85-140 DEG C, insulation reaction 1.5-
2.5h adjusts the pH value of solution to 10-11, obtains modified acrylic fibre.
In step S2, by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic acid in step S1
Acid anhydride graft polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and in 150-190 DEG C, 800-1200r/
6-15min is stirred under min condition of heating and stirring.
In step S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile
The stirring of fiber, maleic anhydride inoculated polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent in high speed agitator
Temperature is set as 160-190 DEG C, and mixing speed is set as 800-1200r/min, stirs 10-15min.
In step S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：185-200
DEG C, 190-205 DEG C, 195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-5min, pressure control in 8-
18MPa。
Antiaging agent is thiourea derivative, and eliminating smell agent uses silver-ion antibiotic liquid, acetic acid and castor oil in mass ratio 1:2:3
Mixture, can directly acquisition purchased in market.
Embodiment 1
A kind of preparation method of fiber reinforced polypropylene composite material, includes the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant DSTP and eliminating smell agent, polypropylene matrix are melting
Index is the acrylic resin of 3g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
It in step S1, counts in parts by weight, each reaction raw materials include：70 parts of polypropylene matrix, 15 parts of polyethylene, carbon fiber
10 parts, it is 10 parts of modified acrylic fibre, 25 parts of maleic anhydride inoculated polypropylene, 8 parts of nucleating agent, 4 parts of antiaging agent, anti-oxidant
10 parts of 5 parts of agent and eliminating smell agent, the preparation process of modified acrylic fibre are：At room temperature, by polyacrylonitrile fibre with it is certain dense
The hydrazine hydrate solution of degree mixes, and is then heated to 120 DEG C, insulation reaction 2h, adjusts the pH value of solution to 10, obtains modified poly- third
Alkene nitrile fiber.
In step S2, by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic acid in step S1
Acid anhydride graft polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and in 160 DEG C, 800r/min heating stirrings
Under the conditions of stir 6min, eliminating smell agent use silver-ion antibiotic liquid, acetic acid and castor oil in mass ratio 1:2:3 mixture,
Direct acquisition purchased in market.
In step S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile
The stirring of fiber, maleic anhydride inoculated polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent in high speed agitator
Temperature is set as 160 DEG C, and mixing speed is set as 800r/min, stirs 10min.
In step S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：185-200
DEG C, 190-205 DEG C, 195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-3min, pressure control in 8-
18MPa。
Embodiment 2
A kind of preparation method of fiber reinforced polypropylene composite material, includes the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent, polypropylene matrix are that melt index is
The acrylic resin of 2g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
It in step S1, counts in parts by weight, each reaction raw materials include：50 parts of polypropylene matrix, 25 parts of polyethylene, carbon fiber
20 parts, 20 parts of modified acrylic fibre, 10 parts of maleic anhydride inoculated polypropylene, 15 parts of nucleating agent, 9 parts of antiaging agent, antioxygen
3 parts of 12 parts of agent and eliminating smell agent, the preparation process of modified acrylic fibre are：At room temperature, by polyacrylonitrile fibre and centainly
The hydrazine hydrate solution of concentration mixes, and is then heated to 85-140 DEG C, insulation reaction 1.5-2.5h, adjusts the pH value of solution to 10-
11, obtain modified acrylic fibre.
In step S2, by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic acid in step S1
Acid anhydride graft polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and in 150-190 DEG C, 800-1200r/
6-15min is stirred under min condition of heating and stirring.
In step S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile
The stirring of fiber, maleic anhydride inoculated polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent in high speed agitator
Temperature is set as 160-190 DEG C, and mixing speed is set as 800-1200r/min, stirs 10-15min.
In step S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：185-200
DEG C, 190-205 DEG C, 195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-5min, pressure control in 8-
18MPa。
Remaining same embodiment 1.
Embodiment 3
A kind of preparation method of fiber reinforced polypropylene composite material, includes the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent, polypropylene matrix are that melt index is
The acrylic resin of 2-20g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
It in step S1, counts in parts by weight, each reaction raw materials include：60 parts of polypropylene matrix, 16 parts of polyethylene, carbon fiber
14 parts, it is 18 parts of modified acrylic fibre, 20 parts of maleic anhydride inoculated polypropylene, 9 parts of nucleating agent, 5 parts of antiaging agent, anti-oxidant
6 parts of 6 parts of agent and eliminating smell agent, the preparation process of modified acrylic fibre are：At room temperature, by polyacrylonitrile fibre and a certain concentration
Hydrazine hydrate solution mixing, be then heated to 85-140 DEG C, insulation reaction 1.5-2.5h, adjust the pH value of solution to 10-11, obtain
To modified acrylic fibre.
In step S2, by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic acid in step S1
Acid anhydride graft polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and in 150-190 DEG C, 800-1200r/
6-15min is stirred under min condition of heating and stirring.
In step S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile
The stirring of fiber, maleic anhydride inoculated polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent in high speed agitator
Temperature is set as 160-190 DEG C, and mixing speed is set as 800-1200r/min, stirs 10-15min.
In step S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：185-200
DEG C, 190-205 DEG C, 195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-5min, pressure control in 8-
18MPa。
Remaining same embodiment 1.
The intensity for the PP composite material that 1-3 of the embodiment of the present invention is prepared is fine compared to conventional polypropylene nitrile is used
The intensity for tieing up the material of production improves 30% or so, and in the environment containing volatile organic matter after placement 3-5d, in air
Volatile organic content reduces by 70%.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of preparation method of fiber reinforced polypropylene composite material, which is characterized in that include the following steps：
Step S1, each reaction raw materials are weighed in parts by weight：Polypropylene matrix, polyethylene, carbon fiber, modified polyacrylonitrile are fine
Dimension, maleic anhydride inoculated polypropylene, nucleating agent, antiaging agent, antioxidant and eliminating smell agent, the polypropylene matrix are that melting refers to
Number is the acrylic resin of 2-20g/10min；
Step S2, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, the maleic anhydride in step S1 are grafted
Polypropylene, nucleating agent and antioxidant are sequentially placed in high speed agitator and are stirred at moderate temperatures uniformly, then
Antiaging agent and eliminating smell agent are added into high speed agitator, are again stirring for uniformly；
Step S3, the mixture for obtaining step S2 is blended via double screw extruder, melting, squeezes out, is granulated, and obtains required production
Product.
2. a kind of preparation method of fiber reinforced polypropylene composite material according to claim 1, which is characterized in that step
In S1, the preparation process of modified acrylic fibre is：At room temperature, by polyacrylonitrile fibre and certain density hydrazine hydrate solution
Mixing, is then heated to 85-140 DEG C, insulation reaction 1.5-2.5h, adjusts the pH value of solution to 10-11, obtain modified polypropene
Nitrile fiber, eliminating smell agent use silver-ion antibiotic liquid, acetic acid and castor oil in mass ratio 1:2:3 mixture.
3. a kind of preparation method of fiber reinforced polypropylene composite material according to claim 1, which is characterized in that step
It in S1, counts in parts by weight, each reaction raw materials include：50-70 parts of polypropylene matrix, 15-25 parts of polyethylene, carbon fiber 10-20
Part, 10-20 parts of modified acrylic fibre, 10-25 parts of maleic anhydride inoculated polypropylene, 8-15 parts of nucleating agent, antiaging agent 4-9
3-10 parts of part, 5-12 parts of antioxidant and eliminating smell agent.
4. a kind of preparation method of fiber reinforced polypropylene composite material according to claim 1, which is characterized in that step
In S2, by the polypropylene matrix in step S1, polyethylene, carbon fiber, modified acrylic fibre, maleic anhydride grafting poly- third
Alkene, nucleating agent and antioxidant are sequentially placed in high speed agitator and in 150-190 DEG C, 800-1200r/min heating stirrings
Under the conditions of stir 6-15min.
5. a kind of preparation method of fiber reinforced polypropylene composite material according to claim 1, which is characterized in that step
In S2, after antiaging agent and eliminating smell agent is added, polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, maleic acid
The whipping temp of acid anhydride graft polypropylene, nucleating agent, antioxidant, antiaging agent and eliminating smell agent in high speed agitator is set as
160-190 DEG C, mixing speed is set as 800-1200r/min, stirs 10-15min.
6. a kind of preparation method of fiber reinforced polypropylene composite material according to claim 1, which is characterized in that step
In S3, the extrusion temperature of double screw extruder is respectively by the temperature of each section of hopper to die head：185-200℃,190-205℃,
195-215 DEG C, 195-220 DEG C, 200-235 DEG C, residence time 2-5min, pressure is controlled in 8-18MPa.
7. fiber reinforced polypropylene composite material made from a kind of any preparation methods of claim 1-6, feature exist
In by polypropylene matrix, polyethylene, carbon fiber, modified acrylic fibre, maleic anhydride inoculated polypropylene, nucleating agent, anti-old
Agent, antioxidant and eliminating smell agent are made.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708027A (en) * | 2020-12-31 | 2021-04-27 | 太仓协乐高分子材料有限公司 | Preparation method of polypropylene product for headlamp shell base material |
| CN117946476A (en) * | 2024-03-26 | 2024-04-30 | 四川汇利实业有限公司 | Modified tape-casting polypropylene film and oral liquid medicinal packaging composite film |
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| CN1290781A (en) * | 2000-10-26 | 2001-04-11 | 中山大学 | Method for preparing broad spectrum antibiotic fiber |
| CN107903509A (en) * | 2017-11-09 | 2018-04-13 | 南京聚隆科技股份有限公司 | Outer plate material of a kind of overall plastic tail-gate of automobile and preparation method thereof |
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| CN112708027A (en) * | 2020-12-31 | 2021-04-27 | 太仓协乐高分子材料有限公司 | Preparation method of polypropylene product for headlamp shell base material |
| CN117946476A (en) * | 2024-03-26 | 2024-04-30 | 四川汇利实业有限公司 | Modified tape-casting polypropylene film and oral liquid medicinal packaging composite film |
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