CN101654534B - Polypropylene/modified nanometer titanium dioxide composite material and preparation method thereof - Google Patents
Polypropylene/modified nanometer titanium dioxide composite material and preparation method thereof Download PDFInfo
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- CN101654534B CN101654534B CN2009101833416A CN200910183341A CN101654534B CN 101654534 B CN101654534 B CN 101654534B CN 2009101833416 A CN2009101833416 A CN 2009101833416A CN 200910183341 A CN200910183341 A CN 200910183341A CN 101654534 B CN101654534 B CN 101654534B
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- polypropylene
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- nanometer titanium
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Abstract
The invention discloses a polypropylene/modified nanometer titanium dioxide composite material and a preparation method thereof. The polypropylene/modified nanometer titanium dioxide composite material comprises the following components in portion by weight: 100 portions of polypropylene and 1-5 portions of modified nanometer titanium dioxide. The preparation method comprises the following steps: firstly, pouring polypropylene granules and the modified nanometer titanium dioxide into a high-speed mixing machine to be mixed; then pouring the mixing material into a two-way screw extruder to be extruded and granulated; extruding a strip-shaped mixing material; placing the strip-shaped mixing material into a water tank to be cooled; and placing the cooled strip-shaped mixing material into a dicing cutter to be cut into polypropylene/modified nanometer titanium dioxide granules. For the polypropylene/modified nanometer titanium dioxide composite material prepared by the method, the tensile strength is enhanced by 5.6-11.7 percent, and the impact strength is enhanced by 107-380 percent; the preparation method is simple and easy; and the polypropylene/modified nanometer titanium dioxide composite material can be used for replacing a common polypropylene material.
Description
Technical field
The invention discloses a kind of polypropylene/modified nanometer titanium dioxide composite material, the invention also discloses a kind of preparation method of polypropylene/modified nanometer titanium dioxide composite material.
Background technology
Polypropylene (PP) is to be monomer with the propylene, forms through catalyzed polymerization, granulation.Polypropylene is a kind of crystalline polymer of compound with regular structure, is the light oyster white pellet, the thermoplastic resin of tasteless, nontoxic, light weight, and relative density is 0.90～0.91, is the lightest a kind of in the general-purpose plastics.Polypropylene has all obtained to use widely in industry-by-industry because comprehensive rerum natura is good, and the cost of material is low.But the polypropylene poor toughness, molding shrinkage is big, and lower temperature resistance is poor, has limited its development greatly and has used.Under the normal temperature, be that the polyacrylic tensile strength of F401 is 34Mpa by the trade mark of raising sub-petrochemical iy produced, shock strength is 1.5KJ/m
2
Summary of the invention
One of purpose of the present invention is to overcome the deficiencies in the prior art, and the polypropylene/modified nanometer titanium dioxide composite material that a kind of tensile strength increases, shock strength improves greatly is provided.
Another object of the present invention provides a kind of preparation method of polypropylene/modified nanometer titanium dioxide composite material.
According to technical scheme provided by the invention; described this polypropylene/modified nanometer titanium dioxide composite material is made up of the each component of following weight part: polypropylene GRANULES is 100 weight parts; modified nano-titanium dioxide is 1～5 weight part; earlier pour polypropylene GRANULES and modified nano-titanium dioxide the blend of into high speed mixing roll; obtain blend; again blend is poured into the reverse-flighted screw forcing machine and carried out extruding pelletization; extrude the strip blend; the strip blend feeds tank and cools off, and enters dicing machine after the cooling and is cut into the polypropylene/modified nanometer titanium dioxide composite material particle.
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, pour 100 parts of polypropylene GRANULES and 1～5 part of modified nano-titanium dioxide the blend of into high speed mixing roll, blend 15～20 minutes obtains blend, and the rotating speed of high speed mixing roll is controlled at 450～500r/min;
B, the blend that step a is obtained are poured the reverse-flighted screw forcing machine into and are carried out extruding pelletization; the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 210～220 ℃; screw speed is controlled at 3～5r/min; the screw rod extrusion pressure is controlled at 23～33MPa; extrude the strip blend; the tank that the feeding of strip blend is 30～40 ℃ cooled off 1～2 minute, entered dicing machine after the cooling and was cut into the polypropylene/modified nanometer titanium dioxide composite material particle.
The polypropylene/modified nanometer titanium dioxide composite material that makes by method of the present invention, have tensile strength and improve 5.6%～11.7%, shock strength improves 107%～380%, and the preparation method is simple, can substitute common polypropylene material and use.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, the model that the modified nano-titanium dioxide of the polypropylene GRANULES of 100Kg and 1Kg is poured into Lynn Vidali source, Zhangjiagang Mechanology Inc. and provided are blend in the high-speed mixer of SHR-200A, blend 15 minutes;
The model that b, the blend that step a is obtained are poured Nanjing Rhea superpolymer equipment company limited into to be provided is carried out extruding pelletization for the TE-35 twin screw extruder, the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 210 ℃, screw speed is controlled at 3r/min, the screw rod extrusion pressure is controlled at 23MPa, extrude the strip blend, the tank that the blend feeding is 30 ℃ cooled off 1 minute, cut into composite material granular after the cooling.
The performance of the polypropylene/modified nanometer titanium dioxide composite material that this embodiment makes is provided.
The performance of the polypropylene GRANULES that this embodiment makes is as follows: tensile strength reaches 37.3Mpa, and shock strength reaches 4.9KJ/m
2, tensile strength improves 9.7%, and shock strength improves 227%.
Embodiment 2
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, the model that the modified nano-titanium dioxide of the polypropylene GRANULES of 100Kg and 1.5Kg is poured into Lynn Vidali source, Zhangjiagang Mechanology Inc. and provided are blend in the high-speed mixer of SHR-200A, blend 20 minutes;
The model that b, the blend that step a is obtained are poured Nanjing Rhea superpolymer equipment company limited into to be provided is carried out extruding pelletization for the TE-35 twin screw extruder, the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 220 ℃, screw speed is controlled at 5r/min, the screw rod extrusion pressure is controlled at 33MPa, extrude the strip blend, the tank that the blend feeding is 40 ℃ cooled off 2 minutes, cut into composite material granular after the cooling.
The performance of the polypropylene/modified nanometer titanium dioxide composite material that this embodiment makes is provided.
The performance of the polypropylene GRANULES that this embodiment makes is as follows: tensile strength reaches 38Mpa, and shock strength reaches 7.2KJ/m
2, tensile strength improves 11.7%, and shock strength improves 380%.
Embodiment 3
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, the model that the modified nano-titanium dioxide of the polypropylene GRANULES of 100Kg and 2Kg is poured into Lynn Vidali source, Zhangjiagang Mechanology Inc. and provided are blend in the high-speed mixer of SHR-200A, blend 16 minutes;
The model that b, the blend that step a is obtained are poured Nanjing Rhea superpolymer equipment company limited into to be provided is carried out extruding pelletization for the TE-35 twin screw extruder, the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 213 ℃, screw speed is controlled at 4r/min, the screw rod extrusion pressure is controlled at 25MPa, extrude the strip blend, the tank that the blend feeding is 33 ℃ cooled off 1.5 minutes, cut into composite material granular after the cooling.
The performance of the polypropylene/modified nanometer titanium dioxide composite material that this embodiment makes is provided.
The performance of the polypropylene GRANULES that this embodiment makes is as follows: tensile strength reaches 36.8Mpa, and shock strength reaches 6.4KJ/m
2, tensile strength improves 8.2%, and shock strength improves 327%.
Embodiment 4
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, the model that the modified nano-titanium dioxide of the polypropylene GRANULES of 100Kg and 3Kg is poured into Lynn Vidali source, Zhangjiagang Mechanology Inc. and provided are blend in the high-speed mixer of SHR-200A, blend 18 minutes;
The model that b, the blend that step a is obtained are poured Nanjing Rhea superpolymer equipment company limited into to be provided is carried out extruding pelletization for the TE-35 twin screw extruder, the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 218 ℃, screw speed is controlled at 3r/min, the screw rod extrusion pressure is controlled at 30MPa, extrude the strip blend, the tank that the blend feeding is 38 ℃ cooled off 1.8 minutes, cut into composite material granular after the cooling.
The performance of the polypropylene/modified nanometer titanium dioxide composite material that this embodiment makes is provided.
The performance of the polypropylene GRANULES that this method makes is as follows: tensile strength reaches 36Mpa; Shock strength reaches 3.2KJ/m
2, tensile strength improves 5.9%, and shock strength improves 113%.
Embodiment 5
The preparation method of a kind of polypropylene/modified nanometer titanium dioxide composite material of the present invention comprises following steps: its formula rate is counted by weight:
A, the model that the modified nano-titanium dioxide of the polypropylene GRANULES of 100Kg and 5Kg is poured into Lynn Vidali source, Zhangjiagang Mechanology Inc. and provided are blend in the high-speed mixer of SHR-200A, blend 17 minutes;
The model that b, the blend that step a is obtained are poured Nanjing Rhea superpolymer equipment company limited into to be provided is carried out extruding pelletization for the TE-35 twin screw extruder, the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 215 ℃, screw speed is controlled at 5r/min, the screw rod extrusion pressure is controlled at 27MPa, extrude the strip blend, the tank that the blend feeding is 26 ℃ cooled off 1.2 minutes, cut into composite material granular after the cooling.
The performance of the polypropylene/modified nanometer titanium dioxide composite material that this embodiment makes is provided.
The performance of the polypropylene GRANULES that this embodiment makes is as follows: tensile strength reaches 35.9Mpa; Shock strength reaches 3.1KJ/m
2, tensile strength improves 5.6%, and shock strength improves 107%.
By the polypropylene/modified nanometer titanium dioxide composite material that method of the present invention makes, tensile strength reaches 35.9～38Mpa, and shock strength reaches 3.1～7.2KJ/m
2,, can substitute common polypropylene material and use all above common polypropylene material.
Modified nano-titanium dioxide described in the present invention is produced by Nanjing University of Technology nanometer applied research center, and trade name is: modified nano-titanium dioxide, the model of modified nano-titanium dioxide is: CYU-101.
Claims (1)
1. the preparation method of a polypropylene/modified nanometer titanium dioxide composite material, comprise following steps: its formula rate is counted by weight:
A, pour 100 parts of polypropylene GRANULES and 1～5 part of modified nano-titanium dioxide the blend of into high speed mixing roll, blend 15～20 minutes, the rotating speed of high speed mixing roll is controlled at 450～500r/min;
B, the blend that step a is obtained are poured the reverse-flighted screw forcing machine into and are carried out extruding pelletization; the barrel of reverse-flighted screw forcing machine, extruder temperature are controlled at 210～220 ℃; screw speed is controlled at 3～5r/min; the screw rod extrusion pressure is controlled at 23～33MPa; extrude the strip blend; the tank that the feeding of strip blend is 30～40 ℃ cooled off 1～2 minute, entered dicing machine after the cooling and was cut into the polypropylene/modified nanometer titanium dioxide composite material particle.
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| CN2009101833416A CN101654534B (en) | 2009-09-18 | 2009-09-18 | Polypropylene/modified nanometer titanium dioxide composite material and preparation method thereof |
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| CN2009101833416A CN101654534B (en) | 2009-09-18 | 2009-09-18 | Polypropylene/modified nanometer titanium dioxide composite material and preparation method thereof |
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| CN101654534A CN101654534A (en) | 2010-02-24 |
| CN101654534B true CN101654534B (en) | 2011-08-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699460A (en) * | 2005-06-15 | 2005-11-23 | 上海普利特复合材料有限公司 | Low-odour polypropylene composite |
| CN101067032A (en) * | 2007-06-11 | 2007-11-07 | 浙江大学 | Compositely modified polypropylene and its prepn process |
| CN101519512A (en) * | 2009-03-24 | 2009-09-02 | 山东威高集团医用高分子制品股份有限公司 | Polypropylene composite material |
-
2009
- 2009-09-18 CN CN2009101833416A patent/CN101654534B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699460A (en) * | 2005-06-15 | 2005-11-23 | 上海普利特复合材料有限公司 | Low-odour polypropylene composite |
| CN101067032A (en) * | 2007-06-11 | 2007-11-07 | 浙江大学 | Compositely modified polypropylene and its prepn process |
| CN101519512A (en) * | 2009-03-24 | 2009-09-02 | 山东威高集团医用高分子制品股份有限公司 | Polypropylene composite material |
Non-Patent Citations (4)
| Title |
|---|
| 孙阁彪等."纳米TiO2的表面处理及聚丙烯/TiO2复合体系的研究".《中国塑料》.2002,第16卷(第12期),47-50. |
| 王永忠等."聚丙烯/载银纳米TiO2复合材料力学和加工流变性能".《塑料工业》.2008,第36卷185-187、203. |
| 蒋东升等."载银纳米二氧化钛对聚丙烯结晶性能影响".《中国塑料》.2008,第22卷(第3期),18-22. |
| 赵金安等."纳米二氧化钛/聚丙烯复合材料的结晶及抗紫外性能研究".《河南科学》.2006,第24卷(第5期),645-647. |
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| CN101654534A (en) | 2010-02-24 |
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Owner name: WUXI JIESHIWANG INDUSTRY + TRADE CO., LTD. Free format text: FORMER OWNER: WUXI JUST WANT PRECISION PACKING CO., LTD. Effective date: 20131118 |
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Effective date of registration: 20131118 Address after: 214101, No. 50, solidarity Road, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee after: Wuxi Jieshiwang trade limited company Address before: 214101, No. 50, solidarity Road, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee before: Wuxi Just Want Precision Packing Co., Ltd. |
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