CN108641187A - A kind of modified polypropylene plastic and preparation method thereof - Google Patents
A kind of modified polypropylene plastic and preparation method thereof Download PDFInfo
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- CN108641187A CN108641187A CN201810503172.9A CN201810503172A CN108641187A CN 108641187 A CN108641187 A CN 108641187A CN 201810503172 A CN201810503172 A CN 201810503172A CN 108641187 A CN108641187 A CN 108641187A
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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
- 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
Abstract
The present invention relates to a kind of modified polypropylene plastics and preparation method thereof, belong to technical field of polymer materials.The modified polypropylene plastic of the present invention, includes the component of following parts by weight：90 110 parts of polypropylene, 20 30 parts of reinforcing agent, 5 15 parts of toughener, 0.5 1 parts of antioxidant, 0.5 1 parts of lubricant.The modified polypropylene plastic of the present invention is added to antioxidant, has good antioxygenic property, substantially increases the service life of polypropylene plastics.The modified polypropylene plastic of the present invention has the performances such as enhancing, toughening, anti-impact resistance, and by modification, intensity, toughness, impact resistance significantly increase.
Description
Technical field
The present invention relates to a kind of modified polypropylene plastics and preparation method thereof, belong to technical field of polymer materials.
Background technology
Modified plastics is by carrying out a series of working processes to ordinary resin, enhancing its performance, make up ordinary resin material
Expect the deficiency in hardness, intensity, wearability, corrosion resistance etc., or passes through the modified manufacturing cost for reducing plastics.
Polypropylene (PP) is widely used a kind of resin material in general thermoplastic material, is widely used in daily
Life, industrial every field.As injection molding, the important source material of blow molded product, polypropylene is not only cheap, Er Qiejia
Work performance is very good.But polypropylene plastics generally there are intensity difference, impact resistance is not high, oxidation resistance is weak, toughness not
The shortcomings of sufficient so that the range of its independent utility is very restricted.
In the prior art, polyacrylic mechanical property can be made to be greatly improved by the way that activeness and quietness modification is blended.Application
The Chinese invention patent that publication No. is CN105694232A discloses a kind of high-strength vehicle plastic fittings and preparation method thereof, with
Parts by weight meter, by following weight ratio at being grouped as：50-60 parts of copolymer polypropylene, 5-20 parts of reinforcing agent, toughener 5-10
Part, 0.5-1.5 parts of coupling agent, 0.5-1.5 parts of lubricant.Wherein, reinforcing agent is glass fibre, and toughener is POE elastomers, even
Connection agent is K-550, and lubricant is butyl stearate.The mechanical properties such as the tensile strength of the plastic fittings are all obtained than polypropylene plastics
Raising is arrived, still, the inoxidizability of the material is weaker, is easy aging in use.
Invention content
The purpose of the present invention is to provide a kind of modified polypropylene plastics that inoxidizability is strong.
The present invention also aims to provide a kind of preparation method of above-mentioned modified polypropylene plastic.
To achieve the above object, the technical solution of modified polypropylene plastic of the invention is：
A kind of modified polypropylene plastic includes the component of following parts by weight：90-110 parts of polypropylene, 20-30 parts of reinforcing agent,
5-15 parts of toughener, 0.5-1 parts of antioxidant, 0.5-1 parts of lubricant.
The modified polypropylene plastic of the present invention is added to antioxidant, has good antioxygenic property, substantially increases poly-
The service life of Acrylic plastic.
Polypropylene can select polypropylene product commonly used in the prior art.In general, the polypropylene is isotactic poly- third
Alkene.Preferably, polypropylene is the injection grade acrylic resin of melt index (MI) 10-30g/10min.
The reinforcing agent is glass fibre.Preferably, reinforcing agent is alkali-free glass fibre.It is further preferred that reinforcing agent
For a diameter of 13 μm of alkali-free glass long fibre.It needs to carry out at surface roving glass fiber using silane coupling agent in preparation process
Reason.The reinforcing agent is to carry out surface-treated glass fibre using silane coupling agent.The surface treatment is by reinforcing agent
Glass fibre in silane coupler solution by impregnating 5-30min.Then pass through drying, remove surface moisture and solvent.
The toughener is ternary isopropyl rubber (EPDM), POE thermoplastic elastomer (TPE)s, ethene-vinyl acetate copolymer
(EVA) any one or the combination of several of them in.
Coupling agent is any one or the combination of several of them in Silane coupling agent KH550, KH560, KH570.Specifically, being
Silane coupling agent KH550.Lubricant is any one or a few in stearic acid (HST), polypropylene wax, oxidized polyethylene wax
Combination.Specifically, lubricant is stearic acid (HST).
Antioxidant includes the first antioxidant and the second antioxidant.The mass ratio of first antioxidant and the second antioxidant is 1:2.
First antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters (1010).Second antioxidant is
The double lauryls (DLTP) of thio-2 acid.
The technical solution of preparation method of the modified polypropylene plastic of the present invention is：
A kind of preparation method of modified polypropylene plastic, includes the following steps：By polypropylene, reinforcing agent, toughener, coupling
Agent, antioxidant, mix lubricant are uniform, extruding pelletization to get.
It is described by polypropylene, reinforcing agent, toughener, coupling agent, antioxidant, mix lubricant be uniformly first by reinforcing agent with
Coupling agent mixing is surface-treated, and is then uniformly mixed with polypropylene, toughener, antioxidant, lubricant again.
Polypropylene can select polypropylene product commonly used in the prior art.In general, the polypropylene is isotactic poly- third
Alkene.Preferably, polypropylene is the injection grade acrylic resin of melt index (MI) 10-30g/10min.
The reinforcing agent is glass fibre.Preferably, reinforcing agent is alkali-free glass fibre.It is further preferred that reinforcing agent
For a diameter of 13 μm of alkali-free glass long fibre.
The toughener is ternary isopropyl rubber (EPDM), POE thermoplastic elastomer (TPE)s, ethene-vinyl acetate copolymer
(EVA) any one or the combination of several of them in.
Coupling agent is any one or the combination of several of them in Silane coupling agent KH550, KH560, KH570.Specifically, being
Silane coupling agent KH550.Lubricant is any one or a few in stearic acid (HST), polypropylene wax, oxidized polyethylene wax
Combination.Specifically, lubricant is stearic acid (HST).
Antioxidant includes the first antioxidant and the second antioxidant.The mass ratio of first antioxidant and the second antioxidant is 1:2.
First antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters (1010).Second antioxidant is
The double lauryls (DLTP) of thio-2 acid.
The reinforcing agent is mixed with coupling agent be surface-treated before, processing first is dried to reinforcing agent.The drying
Processing is in 100-120 DEG C of dry 3-4h.The surface treatment is to pass through reinforcing agent glass fibre in silane coupler solution
Impregnate 5-30min.Then pass through drying, remove surface moisture and solvent.
The uniform mixing is stirring 10-15min.The stirring carries out in homogenizer.
Described squeeze out uses double screw extruder.One area's temperature of double screw extruder is 190 DEG C~225 DEG C, 2nd area
Temperature is 195 DEG C~230 DEG C, and three area's temperature are 195 DEG C~230 DEG C, and four area's temperature are 200 DEG C~235 DEG C, and five area's temperature are
195 DEG C~230 DEG C.Screw speed is 300-400r/min.
Polypropylene, reinforcing agent, toughener, antioxidant, lubricant are raw material.Preferably, the mass parts group of above-mentioned each raw material
Become：90-110 parts of polypropylene, 20-30 parts of reinforcing agent, 5-15 parts of toughener, 0.6-1 parts of antioxidant, 0.5-0.8 parts of lubricant.
The beneficial effects of the invention are as follows：
The modified polypropylene plastic of the present invention has the performances such as enhancing, toughening, anti-impact resistance, by modification,
Intensity, toughness, impact resistance significantly increase, and inoxidizability and service life are obtained for larger raising.
Specific implementation mode
Technical scheme of the present invention is described further with reference to specific embodiment.
Embodiment 1
The modified polypropylene plastic of the present embodiment includes the component of following parts by weight：90 parts of polypropylene, 20 parts of reinforcing agent,
5 parts of toughener, 0.6 part of antioxidant, 0.5 part of lubricant.Wherein, reinforcing agent is the alkali-free glass long fibre of 13 μm of diameter.Enhancing
Agent is that alkali-free glass fibre obtains after coupling agent impregnates 10min, and coupling agent is Silane coupling agent KH550.Toughener is three
First isopropyl rubber (EPDM).Antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters
(1010) and the double lauryls (DLTP) of thio-2 acid are according to mass ratio 1:The 2 mixing antioxidant being mixed to get.Lubricant is hard
Resin acid (HST).
The preparation method of the modified polypropylene plastic of the present embodiment includes the following steps：
1) alkali-free glass fibre is dried to 4h in 120 DEG C of baking oven, then by silane coupling agent to alkali-free glass fibre
It is surface-treated；Surface treatment is by alkali-free glass fibre by impregnating 10min in silane coupler solution, by overdrying
It is dry, remove surface moisture and solvent.
2) acrylic resin, toughener, antioxidant, lubricant are added in high-speed mixer and stir 10min, then shifted
Enter rotating Vortex engagement type parallel double-screw extruder, the alkali-free glass fibre after being surface-treated by silane coupling agent is by side
Material mouth be added, blending extrusion be granulated to get.
The underlying parameter of double screw extruder is：One area's temperature is 200 DEG C, and two area's temperature are 205 DEG C, and three area's temperature are
205 DEG C, four area's temperature are 210 DEG C, and five area's temperature are 205 DEG C.Screw speed 340r/min.It is vented in extrusion complete.
Embodiment 2
The modified polypropylene plastic of the present embodiment includes the component of following parts by weight：100 parts of polypropylene, 30 parts of reinforcing agent,
10 parts of toughener, 0.6 part of antioxidant, 0.5 part of lubricant.Wherein, wherein reinforcing agent is that the alkali-free glass length of 13 μm of diameter is fine
Dimension.Reinforcing agent is that alkali-free glass fibre obtains after coupling agent impregnates 10min, and coupling agent is Silane coupling agent KH550.Toughening
Agent is ternary isopropyl rubber (EPDM).Antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrites
Ester (1010) and the double lauryls (DLTP) of thio-2 acid are according to mass ratio 1:The 2 mixing antioxidant being mixed to get.Lubricant is
Stearic acid (HST).
The preparation method of the modified polypropylene plastic of the present embodiment includes the following steps：
1) alkali-free glass fibre is dried to 4h in 120 DEG C of baking oven, then by silane coupling agent to alkali-free glass fibre
It is surface-treated；Surface treatment is by alkali-free glass fibre by impregnating 10min in silane coupler solution, by overdrying
It is dry, remove surface moisture and solvent.
2) acrylic resin, toughener, antioxidant, lubricant are added in high-speed mixer and stir 15min, then shifted
Enter rotating Vortex engagement type parallel double-screw extruder, the alkali-free glass fibre after being surface-treated by silane coupling agent is by side
Material mouth be added, blending extrusion be granulated to get.
The underlying parameter of double screw extruder is：One area's temperature is 210 DEG C, and two area's temperature are 215 DEG C, and three area's temperature are
215 DEG C, four area's temperature are 220 DEG C, and five area's temperature are 215 DEG C.Screw speed 350r/min.It is vented in extrusion complete.
Embodiment 3
The modified polypropylene plastic of the present embodiment includes the component of following parts by weight：110 parts of polypropylene, 30 parts of reinforcing agent,
15 parts of toughener, 0.8 part of antioxidant, 0.5 part of lubricant.Wherein, wherein reinforcing agent is that the alkali-free glass length of 13 μm of diameter is fine
Dimension.Reinforcing agent is that alkali-free glass fibre obtains after coupling agent impregnates 10min, and coupling agent is Silane coupling agent KH550.Toughening
Agent is ternary isopropyl rubber (EPDM).Antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythrites
Ester (1010) and the double lauryls (DLTP) of thio-2 acid are according to mass ratio 1:The 2 mixing antioxidant being mixed to get.Lubricant is
Stearic acid (HST).
The preparation method of the modified polypropylene plastic of the present embodiment includes the following steps：
1) alkali-free glass fibre is dried to 4h in 120 DEG C of baking oven, then by silane coupling agent to alkali-free glass fibre
It is surface-treated；Surface treatment is by alkali-free glass fibre by impregnating 10min in silane coupler solution, by overdrying
It is dry, remove surface moisture and solvent.
2) acrylic resin, toughener, antioxidant, lubricant are added in high-speed mixer and stir 15min, then shifted
Enter rotating Vortex engagement type parallel double-screw extruder, the alkali-free glass fibre after being surface-treated by silane coupling agent is by side
Material mouth be added, blending extrusion be granulated to get.
The underlying parameter of double screw extruder is：One area's temperature is 215 DEG C, and two area's temperature are 220 DEG C, and three area's temperature are
220 DEG C, four area's temperature are 225 DEG C, and five area's temperature are 220 DEG C.Screw speed 360r/min.It is vented in extrusion complete.
Embodiment 4
The modified polypropylene plastic of the present embodiment includes the component of following parts by weight：110 parts of polypropylene, 30 parts of reinforcing agent,
15 parts of toughener, 1 part of antioxidant, 0.5 part of lubricant.Wherein, wherein reinforcing agent is the alkali-free glass long fibre of 13 μm of diameter.
Reinforcing agent is that alkali-free glass fibre obtains after coupling agent impregnates 10min, and coupling agent is Silane coupling agent KH550.Toughener
For ternary isopropyl rubber (EPDM).Antioxidant is by four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters
(1010) and the double lauryls (DLTP) of thio-2 acid are according to mass ratio 1:The 2 mixing antioxidant being mixed to get.Lubricant is hard
Resin acid (HST).
The preparation method of the modified polypropylene plastic of the present embodiment includes the following steps：
1) alkali-free glass fibre is dried to 4h in 120 DEG C of baking oven, then by silane coupling agent to alkali-free glass fibre
It is surface-treated；Surface treatment is by alkali-free glass fibre by impregnating 10min in silane coupler solution, by overdrying
It is dry, remove surface moisture and solvent.
2) acrylic resin, toughener, antioxidant, lubricant are added in high-speed mixer and stir 15min, then shifted
Enter rotating Vortex engagement type parallel double-screw extruder, the alkali-free glass fibre after being surface-treated by silane coupling agent is by side
Material mouth be added, blending extrusion be granulated to get.
The underlying parameter of double screw extruder is：One area's temperature is 210 DEG C, and two area's temperature are 215 DEG C, and three area's temperature are
215 DEG C, four area's temperature are 220 DEG C, and five area's temperature are 215 DEG C.Screw speed 350r/min.It is vented in extrusion complete.
Test example
(1) modified polypropylene plastic obtained in Example 1-4, according to GB/T 1040.1-2006 (ISO 527-1：
And GB/T 1040.2-2006 (ISO 527-2 1993)：1993) its tensile strength is tested.Test result is as shown in table 1.
(2) modified polypropylene plastic obtained in Example 1-4, according to GB/T 1449-2005 (ISO 14125：
1998) its bending strength is measured.Test result is as shown in table 1.
(3) modified polypropylene plastic obtained in Example 1-4, according to GB/T 1843-2008 (ISO 180：2000)
Measure its cantilever beam impact strength.Test result is as shown in table 1.
(4) modified polypropylene plastic obtained in Example 1-4, according to GB/T 2411-2008 (ISO 868：2003)
Test its shore hardness.Test result is as shown in table 1.
(5) modified polypropylene plastic obtained in Example 1-4, according to GB/T 1034-2008 (ISO 62：2008)
Test its water absorption rate.Test result is as shown in table 1.
(6) modified polypropylene plastic obtained in Example 1-4, according to GB/T 19466.6-2009 (ISO 11357-
6：2008) regulation tests its oxidation induction time.Test result is as shown in table 1.
Test result is as shown in table 1.
The performance test results of modified polypropylene plastic in 1 embodiment 1-4 of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Tensile strength (KJ/M2) | 40 | 42.5 | 43 | 42 |
| Bending strength (MPa) | 79.6 | 81.2 | 82.9 | 81.5 |
| Cantilever beam impact strength (J/M) | 117 | 120 | 127 | 121 |
| Shore hardness (HD) | 69 | 68 | 65 | 67 |
| Water absorption rate (%) | 0.0090 | 0.0092 | 0.0091 | 0.0091 |
| Oxidation induction time (min) | 102 | 102 | 105 | 108 |
As shown in Table 1, modified polypropylene plastic tensile strength of the invention, bending strength, cantilever beam impact strength compared with
Height, shore hardness are higher.Also there is the modified polypropylene plastic of the present invention higher water absorption rate, oxidation resistance to be remarkably reinforced,
The service life of polypropylene plastics can be improved.
Claims (10)
1. a kind of modified polypropylene plastic, which is characterized in that include the component of following parts by weight：90-110 parts of polypropylene, enhancing
20-30 parts of agent, 5-15 parts of toughener, 0.5-1 parts of antioxidant, 0.5-1 parts of lubricant.
2. modified polypropylene plastic according to claim 1, it is characterised in that：The toughener be ternary isopropyl rubber,
Any one or the combination of several of them in POE thermoplastic elastomer (TPE)s, ethene-vinyl acetate copolymer.
3. modified polypropylene plastic according to claim 1, it is characterised in that：Antioxidant includes the first antioxidant and second
Antioxidant, the first antioxidant are four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, and the second antioxidant is
The double lauryls of thio-2 acid.
4. modified polypropylene plastic according to claim 3, it is characterised in that：First antioxidant and the second antioxidant
Mass ratio be 1:2.
5. a kind of preparation method of modified polypropylene plastic, which is characterized in that include the following steps：By polypropylene, reinforcing agent, increasing
Tough dose, coupling agent, antioxidant, mix lubricant it is uniform, extruding pelletization to get.
6. the preparation method of modified polypropylene plastic according to claim 5, it is characterised in that：It is described by polypropylene, increase
Strong agent, toughener, coupling agent, antioxidant, mix lubricant are uniformly first to mix reinforcing agent with coupling agent to be surface-treated,
Then it is uniformly mixed with polypropylene, toughener, antioxidant, lubricant again.
7. the preparation method of modified polypropylene plastic according to claim 6, it is characterised in that：The reinforcing agent and coupling
Before agent mixing is surface-treated, processing first is dried to reinforcing agent；The drying process is in 100-120 DEG C of dry 3-
4h。
8. the preparation method of modified polypropylene plastic according to claim 6, it is characterised in that：The uniform mixing is to stir
Mix 10-15min.
9. the preparation method of the modified polypropylene plastic according to claim 5-8 any one, it is characterised in that：It is described to squeeze
Going out and uses double screw extruder, area's temperature of double screw extruder is 190~225 DEG C, and two area's temperature are 195~230 DEG C, three
Area's temperature is 195~230 DEG C, and four area's temperature are 200~235 DEG C, and five area's temperature are 195~230 DEG C.
10. the preparation method of modified polypropylene plastic according to claim 9, it is characterised in that：The twin-screw extrusion
The screw speed of machine is 300-400r/min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452469A (en) * | 2019-09-25 | 2019-11-15 | 河南城建学院 | A kind of modified polypropylene material and preparation method thereof |
| CN111234371A (en) * | 2018-11-28 | 2020-06-05 | 重庆霏欧纳科技有限公司 | Modified polypropylene resin |
| CN111497168A (en) * | 2019-01-30 | 2020-08-07 | 南亚塑胶工业股份有限公司 | Extruder and L FT extrusion piece made by using same |
| CN112341706A (en) * | 2020-11-05 | 2021-02-09 | 上海荣腾包装服务有限公司 | Stone-plastic polypropylene pipe and preparation method thereof |
| CN116925466A (en) * | 2023-07-19 | 2023-10-24 | 深圳市卡熙赫服饰有限公司 | Preparation process and application of fiber-toughened modified polypropylene |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571040A (en) * | 2012-07-23 | 2014-02-12 | 辽宁辽杰科技有限公司 | High-strength, high-toughness and high-rigidity polypropylene composite material and preparation method thereof |
| US20140051783A1 (en) * | 2012-08-16 | 2014-02-20 | Hyundai Motor Company | Eco-friendly resin composition |
| CN103788491A (en) * | 2014-01-27 | 2014-05-14 | 上海日之升新技术发展有限公司 | Reaction type continuous long glass fiber reinforced polypropylene compound and preparation method thereof |
-
2018
- 2018-05-23 CN CN201810503172.9A patent/CN108641187A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571040A (en) * | 2012-07-23 | 2014-02-12 | 辽宁辽杰科技有限公司 | High-strength, high-toughness and high-rigidity polypropylene composite material and preparation method thereof |
| US20140051783A1 (en) * | 2012-08-16 | 2014-02-20 | Hyundai Motor Company | Eco-friendly resin composition |
| CN103788491A (en) * | 2014-01-27 | 2014-05-14 | 上海日之升新技术发展有限公司 | Reaction type continuous long glass fiber reinforced polypropylene compound and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111234371A (en) * | 2018-11-28 | 2020-06-05 | 重庆霏欧纳科技有限公司 | Modified polypropylene resin |
| CN111497168A (en) * | 2019-01-30 | 2020-08-07 | 南亚塑胶工业股份有限公司 | Extruder and L FT extrusion piece made by using same |
| CN110452469A (en) * | 2019-09-25 | 2019-11-15 | 河南城建学院 | A kind of modified polypropylene material and preparation method thereof |
| CN112341706A (en) * | 2020-11-05 | 2021-02-09 | 上海荣腾包装服务有限公司 | Stone-plastic polypropylene pipe and preparation method thereof |
| CN116925466A (en) * | 2023-07-19 | 2023-10-24 | 深圳市卡熙赫服饰有限公司 | Preparation process and application of fiber-toughened modified polypropylene |
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Application publication date: 20181012 |