CN105647029A - Polypropylene material for baby carriage main beam and preparing method thereof - Google Patents
Polypropylene material for baby carriage main beam and preparing method thereof Download PDFInfo
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- CN105647029A CN105647029A CN201610034352.8A CN201610034352A CN105647029A CN 105647029 A CN105647029 A CN 105647029A CN 201610034352 A CN201610034352 A CN 201610034352A CN 105647029 A CN105647029 A CN 105647029A
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- polypropylene material
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- main beam
- vehicle main
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- C08L23/14—Copolymers of propene
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a polypropylene material for a baby carriage main beam and a preparing method thereof and belongs to the technical field of high polymer materials. The polypropylene material is prepared from, by weight, 40-60 parts of common co-polypropylene, 20-30 parts of high-crystallized co-polypropylene, 5-15 parts of high-melt-strength polypropylene, 10-30 parts of fortifier, 0.2-2 parts of antioxidant, 0.1-0.5 part of light stabilizer and 0.3-1 part of lubricant. High-melt-strength polypropylene with ultrahigh tenacity and ductility and high-crystallized co-polypropylene with high rigidity are combined to prepare the polypropylene material with ultrahigh rigidity and toughness, the flexural modulus of the polypropylene material is over 2,300 MPa, the cantilever notch impact strength of the polypropylene material is over 25 KJ/m<2>, and the tensile elongation of the polypropylene material is over 500%. The requirements of a baby carriage structural support for high rigidity, high tenacity and high ductility are met, and the polypropylene material is expected to be applied to the baby carriage product market, even the automobile market and the household appliance industry.
Description
Technical field
The present invention relates to a kind of PP composite material and preparation method thereof, especially a kind of for children vehicle main beam polypropylene material and preparation method thereof, belong to technical field of polymer materials.
Background technology
Due to light weight, corrosion-resistant, price is low, is prone to processing, and high-performance modified macromolecular material demonstrates clear superiority in manufacturing industry every field compared to metal or other materials, not only increases and manufactures efficiency, goods portability, and environmental protection. In recent years, modified polymer material is more and more in the application of perambulator field, no matter is internal and external ornament part, or function and structural member, everywhere it can be seen that the shadow of modified polymer material.
Polypropylene becomes, because of its superior performance and low cost, the modified polymer material that stroller components consumption is maximum, kind is maximum. Children vehicle main beam part requirement material, when car body is subject to impacting/clashing into, does not deform. When occurring to destroy, there is high-elongation and continuous performance, thereby may be ensured that the personal safety of children in vehicles. It is therefore desirable to material also to have high-elongation while having high rigidity and resistance capacity to deformation become the major demands in market. At present, for reaching the requirement of high tenacity, high-elongation, general method of modifying is to introduce a large amount of thermoplastic elastomer (TPE) in polypropylene, increase polypropylene toughness, improve elongation percentage, exist yet with a large amount of rubber components, greatly reduce the original rigidity of polypropylene material, very easily deform. So far, the modified polypropylene material on market is still difficult to reach the requirement of children vehicle main beam component materials, and this base part is still based on engineering plastics that metal or price are high. Therefore, develop there is high rigidity, high tenacity, high-elongation polypropylene new material are of great practical significance.
Summary of the invention
The technical problem to be solved in the present invention be for prior art exist defect, it is provided that a kind of there is high rigidity and resistance capacity to deformation while also to have high-elongation for children vehicle main beam polypropylene material and preparation method thereof.
To achieve these goals, the present invention adopts the technical scheme that:
A kind of baby carriage structure support polypropylene material, raw material includes the component of following weight portion:
Common COPP 40-60 part,
Highly crystalline COPP 20-30 part,
High melt strength, propylene 5-15 part,
Reinforcing agent 10-30 part,
Antioxidant 0.2-2 part,
Light stabilizer 0.1-0.5 part,
Lubricant 0.3-1 part.
Further, described COPP is ethylene-propylene copolymer, and melt index is 5-40g/10min; Preferred molten index is the COPP of 10-20g/10min;
Further, described high melt strength, propylene has long branched chain structure and polydispersity coefficient more than 4, and melt strength is be more than or equal to 18cN; The preferred coefficient of dispersion is 5, and melt strength is the high melt strength, propylene of 26cN;
Further, described highly crystalline COPP be degree of crystallinity more than 70%, the bending modulus under method of testing ISO528 is more than 1800MPa; Preferred degree of crystallinity is 75%, and bending modulus is 1850MPa;
Further, described reinforcing agent is the one in Pulvis Talci, calcium carbonate, Muscovitum, and Pulvis Talci particle diameter is more than 4000 orders, it is preferable that 5000 order particle diameter Pulvis Talci; Muscovitum particle diameter is more than 800 orders, it is preferable that particle diameter is the Muscovitum of 1250 orders; Whisker draw ratio is 100-150:1, it is preferable that draw ratio is the whisker of 150:1.
Further, described antioxidant is divided into primary antioxidant and auxiliary anti-oxidant, and weight ratio is 2:3, described primary antioxidant one in Hinered phenols and sulphur ester antioxidant, it is preferable that main anti-oxidant is 1010; Auxiliary anti-oxidant agent one in phosphorous acid salt and phosphite ester kind antioxidant, it is preferable that auxiliary antioxidant is 168.
Further, described lubricant is the one in calcium stearate, silicone, stearic amide, Tissuemat E, it is preferable that calcium stearate.
Further, described light stabilizer is the one in light stabilizer 3808, light stabilizer 770, light stabilizer 944, it is preferable that light stabilizer 3808;
A kind of preparation method for children vehicle main beam polypropylene material, comprises the following steps:
Step one: by common COPP, highly crystalline COPP, high melt strength, propylene, antioxidant, light stabilizer, mixing 3-6min in high-speed mixer put into by lubricant, obtains above all component mixtures;
Step 2: mixture obtained in step one is joined in the double screw extruder that draw ratio is 44:1 by main feed hopper, is engaged mixing; Meanwhile, reinforcing agent is joined in machine barrel by the side spout on double screw extruder machine barrel, after extrusion, check rod, air-dry, pelletize, prepare polypropylene material.
Further, in described step 2, twin-screw extruder barrel temperature is I district: 160-180 DEG C, II district: 210-220 DEG C, III district: 205-215 DEG C, IV district: 210-220 DEG C, V district: 215-225 DEG C, VI district: 210-220 DEG C, VII district: 210-220 DEG C, VIII district: 200-210 DEG C, 200-210 DEG C of IX district, screw speed 600r/min.
Beneficial effect
Compared with prior art, the present invention possesses following effect:
1, the present invention adopts and has the high melt strength, propylene of superhigh tenacity and elongation percentage and have the highly crystalline COPP compound of high rigidity, is ensureing that polypropylene material rigidity is simultaneously, significantly improves polypropylene toughness and elongation percentage; Material bending modulus reaches more than 2300MPa, Izod notched impact strength 25KJ/m2, fracture elongation reaches more than 500%, when bearing a large amount of load, it is ensured that indeformable, when being subject to impact failure, shows excellent resistance capacity to deformation and ductility, meets children vehicle main beam support to the strong and unyielding two aspect requirements of polypropylene material.
2, the preparation method technique of the present invention is simple, and production cost is low, and efficiency is high, be easily achieved industrialization.
3, the present invention adopts high melt strength, propylene, significantly improves polypropylene material toughness and ductility, when material is damaged, it is achieved toughness of material half fracture, does not even rupture, protects the riding children's safety of perambulator.
4, the present invention adopts highly crystalline COPP, improves material crystalline degree, improves material stiffness, improves children vehicle main beam support and is subject to resistance capacity to deformation during impact damage.
5, the present invention adopts the particle diameter higher mineral of order number or the bigger whisker of draw ratio, is conducive to improving polypropylene material degree of crystallinity and case hardness, improves resistance capacity to deformation when children vehicle main beam parts suffer impact damage further. It addition, thinner mineral or the bigger whisker of draw ratio can more efficient raising article surface scratch resistance, improve product apparent mass. Select high length-diameter ratio double screw extruder so that material time of staying proper extension in screw rod, it is ensured that each component in material is mixing more uniform, improves material plasticizing effect, is conducive to improving injection-molded item integrated quality.
6, the preparation method that the present invention provides this material, technique is simple, and production cost is low, and efficiency is high, be easily achieved industrialization
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1
By the COPP 40 parts that melt index is 5g/10min, the coefficient of dispersion is 4 and high melt strength, propylene 15 parts that melt strength is 18cN, degree of crystallinity is the highly crystalline COPP 30 parts of 70%, antioxidant 1010 0.8 part, irgasfos 168 1.2 parts, light stabilizer 38080.5 parts, mixing 4min in high-speed mixer put into by calcium stearate 1 part, obtains above all component mixtures; Obtained mixture is joined in double screw extruder by main feed hopper, is engaged mixing; Meanwhile, it is that 5000 order Pulvis Talci 11.5 parts joins in twin-screw extruder barrel by side spout by order number, through programs such as extrusion, check rod, air-dry, pelletizes, obtains baby carriage structure support polypropylene material; Wherein, twin-screw extruder barrel temperature is I district: 160 DEG C, II district: 210 DEG C, III district: 205 DEG C, IV district: 210 DEG C, V district: 215 DEG C, VI district: 210 DEG C, VII district: 210 DEG C, VIII district: 200 DEG C, 200 DEG C of IX district, screw speed 600r/min.
Embodiment 2
By the COPP 44.4 parts that melt index is 10g/10min, the coefficient of dispersion is 5 and high melt strength, propylene 5 parts that melt strength is 26cN, degree of crystallinity is the highly crystalline COPP 20 parts of 75%, antioxidant 1010 0.08 part, irgasfos 168 0.12 part, light stabilizer 38080.1 parts, Tissuemat E 0.3 part puts into mixing 6min in high-speed mixer, obtains above all component mixtures; Obtained mixture is joined in double screw extruder by main feed hopper, is engaged mixing; Meanwhile, the Pulvis Talci 30 parts that particle diameter is 10000 orders is joined in twin-screw extruder barrel by side spout, through programs such as extrusion, check rod, air-dry, pelletizes, obtains baby carriage structure support polypropylene material; Wherein, twin-screw extruder barrel temperature is I district: 180 DEG C, II district: 220 DEG C, III district: 215 DEG C, IV district: 220 DEG C, V district: 225 DEG C, VI district: 220 DEG C, VII district: 220 DEG C, VIII district: 210 DEG C, IX district: 210 DEG C, screw speed 600r/min.
Embodiment 3
By the COPP 60 parts that melt index is 20g/10min, the coefficient of dispersion is 4 and high melt strength, propylene 8.2 parts that melt strength is 20cN, degree of crystallinity is the highly crystalline COPP 20 parts of 73%, antioxidant 1010 0.4 part, irgasfos 168 0.6 part, light stabilizer 7700.3 parts, stearic amide 0.5 part puts into mixing 4min in high-speed mixer, obtains above all component mixtures;Obtained mixture is joined in double screw extruder by main feed hopper, is engaged mixing; Meanwhile, the whisker 10 parts that draw ratio is 150:1 is joined in twin-screw extruder barrel by side spout, through programs such as extrusion, check rod, air-dry, pelletizes, obtains baby carriage structure support polypropylene material; Wherein, twin-screw extruder barrel temperature is I district: 160 DEG C, II district: 215 DEG C, III district: 215 DEG C, IV district: 210 DEG C, V district: 215 DEG C, VI district: 220 DEG C, VII district: 215 DEG C, VIII district: 210 DEG C, 200 DEG C of IX district, screw speed 600r/min.
Embodiment 4
By the COPP 48 parts that melt index is 40g/10min, the coefficient of dispersion is 5 and high melt strength, propylene 10 parts that melt strength is 30cN, degree of crystallinity is the highly crystalline COPP 25 parts of 70%, antioxidant 1010 0.4 part, irgasfos 168 0.6 part, light stabilizer 9440.5 parts, mixing 3min in high-speed mixer put into by silicone 0.5 part, obtains above all component mixtures; Obtained mixture is joined in double screw extruder by main feed hopper, is engaged mixing; Meanwhile, 15 parts of the Muscovitum that order number is 1250 orders is joined in twin-screw extruder barrel by side spout, through programs such as extrusion, check rod, air-dry, pelletizes, obtains baby carriage structure support polypropylene material; Wherein, twin-screw extruder barrel temperature is I district: 170 DEG C, II district: 210 DEG C, III district: 215 DEG C, IV district: 210 DEG C, V district: 225 DEG C, VI district: 220 DEG C, VII district: 220 DEG C, VIII district: 210 DEG C, 200 DEG C of IX district, screw speed 600r/min.
Product embodiments performance table of the present invention
The foregoing is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art change according to the equivalence that spirit of the invention is made or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. one kind is used for children vehicle main beam polypropylene material, it is characterised in that raw material includes the component of following weight portion:
Common COPP 40-60 part,
Highly crystalline COPP 20-30 part,
High melt strength, propylene 5-15 part,
Reinforcing agent 10-30 part,
Antioxidant 0.2-2 part,
Light stabilizer 0.1-0.5 part,
Lubricant 0.3-1 part.
2. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described common COPP is ethylene-propylene copolymer, and melt index is 5-40g/10min.
3. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described highly crystalline COPP be degree of crystallinity more than 70%, the bending modulus under method of testing ISO528 is more than 1800MPa.
4. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described high melt strength, propylene has long branched chain structure and polydispersity coefficient more than 4, and melt strength is be more than or equal to 18cN.
5. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterized in that: described reinforcing agent is the one in Pulvis Talci, Muscovitum, whisker, described Pulvis Talci particle diameter is more than 4000 orders, and Muscovitum particle diameter is more than 800 orders, and whisker draw ratio is 100-150:1.
6. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described antioxidant is divided into primary antioxidant and auxiliary anti-oxidant, and weight ratio is 2:3, and described primary antioxidant is the one in Hinered phenols and sulphur ester antioxidant;Auxiliary anti-oxidant is the one in phosphorous acid salt and phosphite ester kind antioxidant.
7. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described lubricant is the one in calcium stearate, silicone, stearic amide, Tissuemat E.
8. a kind of for children vehicle main beam polypropylene material according to claim 1, it is characterised in that: described light stabilizer is the one in light stabilizer 3808, light stabilizer 770, light stabilizer 944.
9. a kind of preparation method for children vehicle main beam polypropylene material of any one according to claim 1-8, comprises the following steps:
Step one: by common COPP, highly crystalline COPP, high melt strength, propylene, antioxidant, light stabilizer, mixing 3-6min in high-speed mixer put into by lubricant, obtains above all component mixtures;
Step 2: mixture obtained in step one is joined in the double screw extruder that draw ratio is 44:1 by main feed hopper, is engaged mixing; Meanwhile, reinforcing agent is joined in machine barrel by the side spout on double screw extruder machine barrel, after extrusion, check rod, air-dry, pelletize, prepare polypropylene material.
10. a kind of preparation method for children vehicle main beam polypropylene material according to claim 9, it is characterized in that: in described step 2, twin-screw extruder barrel temperature is I district: 160-180 DEG C, II district: 210-220 DEG C, III district: 205-215 DEG C, IV district: 210-220 DEG C, V district: 215-225 DEG C, VI district: 210-220 DEG C, VII district: 210-220 DEG C, VIII district: 200-210 DEG C, 200-210 DEG C of IX district, screw speed 600r/min.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034352.8A CN105647029A (en) | 2016-01-19 | 2016-01-19 | Polypropylene material for baby carriage main beam and preparing method thereof |
| CN201610437895.4A CN106084490B (en) | 2016-01-19 | 2016-06-17 | One kind is for children vehicle main beam polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610034352.8A CN105647029A (en) | 2016-01-19 | 2016-01-19 | Polypropylene material for baby carriage main beam and preparing method thereof |
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| CN105647029A true CN105647029A (en) | 2016-06-08 |
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| CN201610034352.8A Pending CN105647029A (en) | 2016-01-19 | 2016-01-19 | Polypropylene material for baby carriage main beam and preparing method thereof |
| CN201610437895.4A Active CN106084490B (en) | 2016-01-19 | 2016-06-17 | One kind is for children vehicle main beam polypropylene material and preparation method thereof |
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| CN201610437895.4A Active CN106084490B (en) | 2016-01-19 | 2016-06-17 | One kind is for children vehicle main beam polypropylene material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009289A (en) * | 2016-07-20 | 2016-10-12 | 南京聚隆科技股份有限公司 | Light cable filling rope material and method for preparing same |
| CN112175299A (en) * | 2019-07-01 | 2021-01-05 | 现代自动车株式会社 | Pipe composition for vehicle using ratproof agent and preparation method thereof |
| CN115216092A (en) * | 2022-07-29 | 2022-10-21 | 横店集团得邦工程塑料有限公司 | Low-temperature-resistant reinforced halogen-free flame-retardant PP/HMSPP composite material and preparation method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111004453A (en) * | 2019-12-18 | 2020-04-14 | 大韩道恩高分子材料(上海)有限公司 | Injection molding grade polypropylene material and preparation method and application thereof |
| CN113004612A (en) * | 2021-02-27 | 2021-06-22 | 广东奇德新材料股份有限公司 | High-fluidity low-precipitation antistatic polypropylene composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19748976A1 (en) * | 1997-11-06 | 1999-05-20 | Danubia Petrochem Polymere | Thermoplastic elastomers with high strength, elasticity and good colorability and the high impact polymer blends made from them |
| CN102276926A (en) * | 2011-07-22 | 2011-12-14 | 金发科技股份有限公司 | Polypropylene composition for vehicle and preparation method thereof |
| CN103709666A (en) * | 2012-09-29 | 2014-04-09 | 青岛欣展塑胶有限公司 | Halogen-free and flame retardation modified PET engineering plastic and preparation method thereof |
| CN104945737B (en) * | 2015-06-27 | 2018-04-27 | 上海俊尔新材料有限公司 | A kind of dedicated glass fiber reinforced polypropylene composite material of high-performance fretting map and preparation method thereof |
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2016
- 2016-01-19 CN CN201610034352.8A patent/CN105647029A/en active Pending
- 2016-06-17 CN CN201610437895.4A patent/CN106084490B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009289A (en) * | 2016-07-20 | 2016-10-12 | 南京聚隆科技股份有限公司 | Light cable filling rope material and method for preparing same |
| CN112175299A (en) * | 2019-07-01 | 2021-01-05 | 现代自动车株式会社 | Pipe composition for vehicle using ratproof agent and preparation method thereof |
| CN115216092A (en) * | 2022-07-29 | 2022-10-21 | 横店集团得邦工程塑料有限公司 | Low-temperature-resistant reinforced halogen-free flame-retardant PP/HMSPP composite material and preparation method thereof |
| CN115216092B (en) * | 2022-07-29 | 2024-04-30 | 横店集团得邦工程塑料有限公司 | Low-temperature-resistant reinforced halogen-free flame-retardant PP/HMSPP composite material and preparation method thereof |
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| Publication number | Publication date |
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| CN106084490A (en) | 2016-11-09 |
| CN106084490B (en) | 2018-09-11 |
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Application publication date: 20160608 |