CN1117123C - Material for fuel oil tank - Google Patents
Material for fuel oil tank Download PDFInfo
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- CN1117123C CN1117123C CN00115311A CN00115311A CN1117123C CN 1117123 C CN1117123 C CN 1117123C CN 00115311 A CN00115311 A CN 00115311A CN 00115311 A CN00115311 A CN 00115311A CN 1117123 C CN1117123 C CN 1117123C
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- fuel tank
- oxidation inhibitor
- nylon
- compatilizer
- tank material
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
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Abstract
The present invention relates to a material for a fuel oil tank, which has the formula (part by weight): long-chain nylon 100 to 900, polyolefin 0 to 800, compatilizer A 100 to 600, compatilizer B 0 to 100, antioxidant A 1 to 10 and antioxidant B 1 to 10. Compared with the prior art, the present invention has the advantages of low permeability, simple processing, good low-temperature toughness, etc.
Description
The present invention relates to a kind of fuel tank material.
Since germany volkswagen in 1973 was at first developed and produced plastic fuel tank, plastic fuel tank was because lightweight, the rapid substituted metal fuel tank of numerous advantages such as corrosion-resistant, safe, easy to process.Generally adopt polyethylene (PE) to make matrix at present in the world.Relative other plastics, PE has many advantages: low temperature even-40 ℃ still do not lose its toughness, are easy to machine-shaping.Germany BASF exploitation Lupolen 4261A HDPE is as the plastic fuel tank PP Pipe Compound.JP 06,328, and 634 adopt the ethylene vinyl multipolymer of nylon (PA) 12 modifications to make oil pipe and fuel tank.Also have and adopt PA to make fuel tank.DE 19,502, adopt MULTILAYER COMPOSITE oil pipe and fuel tank in 085, and the first layer is PA, and the second layer is foam PA, and the 3rd layer is PA, and the 4th layer is urethane (PU).But along with the attention of the whole world to environmental protection, the environment specialist requires the rate of permeation of fuel tank is reduced to 0.5 gram/sky from 2 gram/skies.Single PE can't satisfy this requirement, and adopts MULTILAYER COMPOSITE technology operation various, consumes greatlyyer, is difficult for machine-shaping.
Purpose of the present invention is exactly to provide the fuel tank material that a kind of rate of permeation is low, processing is simple, low-temperature flexibility is good for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can realize in the following manner: a kind of fuel tank material is characterized in that: its prescription following (weight part):
Long-chain nylon 100～900
Polyolefine 0～800
Compatilizer A 100～600
Compatilizer B 0～100
Oxidation inhibitor A 1～10
Oxidation inhibitor B 1～10
Described long-chain nylon is a carbonatoms greater than 10 long-chain fat nylon; Described polyolefine is the aliphatic hydrocarbon polymkeric substance; Olefin elastomer or graft copolymer that described compatilizer A is all kinds of acid anhydrides, carboxylic acid graft; Described compatilizer B is the polymkeric substance that contains amide group; Described oxidation inhibitor A is a Hinered phenols, and described oxidation inhibitor B is sulfocompound or phosphorous acid esters.
Described long-chain nylon is the long-chain fat nylon of carbonatoms 11-16.
Described polyolefine can be polyethylene, polypropylene.
Described compatilizer A can be polyolefine maleic anhydride grafts, thermoplastic elastomer grafts.
Described compatilizer B can be nylon 6, nylon 66.
Described oxidation inhibitor A can be antioxidant CA, antioxidant 1010.
Described oxidation inhibitor B can be DLTP, DSTP, TNP, oxidation inhibitor 168.
The ratio of described oxidation inhibitor A and oxidation inhibitor B is 1: 2.
Compared with prior art, the present invention utilizes PA1212 to produce fuel tank.PA1212 is a long-chain fat nylon, and relatively short chain nylon polar group is less, and it is low to have a water-intake rate, the dimensional stability height, and the advantage that low-temperature flexibility is good, PE then has the advantage of low permeability relatively, meets the environmental protection demand.Its performance sees Table 1.
Table 1.PA1212 raw material main performance index
| Project | Unit | Data |
| Density | g/cm 3 | 1.01 |
| Tensile strength | MPa | 56.1 |
| Elongation at break | ％ | 370 |
| Notched Izod impact strength | KJ/m 2 | 16.1 |
| Heat-drawn wire 0.45MPa | ℃ | 157 |
| Heat-drawn wire 1.82MPa | ℃ | 67 |
For improving the low-temperature flexibility of PA1212, the present invention adopts the method for PA1212 and polyolefin blend to improve impact.Because PA1212 is a polar resin, and polyolefine is non-utmost point resin, both are incompatible system, must add people's compatilizer.The polymer graft that the present invention contains non-polar polyolefinic and carboxylic acid or acid anhydrides and high amide group can make low temperature resistant PA1212 as compatilizer.
The material of utilization blend of the present invention not only has good low-temperature toughness and osmotic-pressure-tolerant, but blow once-through moulding also.In the following example:
Performance:
| PA1212 | 800 |
| PE-g-MAH | 200 |
| PA66 | 3 |
| Antioxygen 1010 | 1 |
| Antioxygen DSTP | 2 |
| Melt flow rate (MFR) (230 ℃, 2.16kG) g/10min) | 0.78 |
| Tensile strength MPa | 41.2 |
| Elongation at break % | 533 |
| Charpy shock strength KJ/m 2 | NB |
| Charpy notched Izod impact strength KJ/m 2(25℃) | 60 |
| Charpy notched Izod impact strength KJ/m 2(-40℃) | 18 |
| Flexural strength MPa | 34.65 |
| Modulus in flexure MPa | 1100 |
| The ball impression | 69.8 |
| Shrinking percentage % | 1.5 |
| Rate of permeation g/day (thickness 3mm) | 0.45 |
This shows that employing and grafting and multipolymer blending technology can obviously improve its impact, rate of permeation also reaches environmental requirement.
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1-6 unit: kilogram
Performance:
| Component | 1# | 2# | 3# | 4# | 5# | 6# |
| PA1212 | 600 | 400 | 600 | 400 | 400 | 400 |
| PE-g-MAH | 400 | 300 | 400 | - | 600 | - |
| PE | - | 300 | - | - | - | 400 |
| EPDM-g-MAH | - | - | - | 600 | - | - |
| PA66 | 1 | - | 3 | 6 | - | - |
| TPE-g-MAH | - | - | - | - | - | 200 |
| Antioxidant 1010 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oxidation inhibitor DSTP | 2 | 2 | 2 | 2 | 2 | 2 |
| Melt flow rate (275 ℃ of 0.325kG) g/10min | 0.67 | 0.52 | 0.78 | 0.65 | 0.016 | 0.63 |
| Tensile strength MPa | 42 | 39.7 | 41.2 | 25.6 | 29.4 | 35.5 |
| Elongation at break % | 458 | 339 | 533 | 350 | 250 | 360 |
| Charpy shock strength KJ/m 2 | NB | NB | NB | NB | NB | NB |
| Charpy notched Izod impact strength KJ/m 2 | 58 | 46.11 | 60 | 35 | 52.4 | 70 |
| Flexural strength MPa | 36.16 | 34.36 | 34.56 | 12 | 25.84 | 20.89 |
| Modulus in flexure MPa | 1082.4 | 968.9 | 1100 | 225.3 | 800 | 479 |
| The ball impression | 68.8 | - | 69.8 | 14.17 | - | 55.23 |
| Shrinking percentage % | 1.64 | 1.46 | 1.5 | 0.94 | 1.86 | 1.75 |
Claims (8)
1. fuel tank material is characterized in that: its prescription following (weight part):
Long-chain nylon 100～900
Polyolefine 0～800
Compatilizer A 100～600
Compatilizer B 0～100
Oxidation inhibitor A 1～10
Oxidation inhibitor B 1～10
Described long-chain nylon is a carbonatoms greater than 10 long-chain fat nylon; Described polyolefine is the aliphatic hydrocarbon polymkeric substance; The olefin copolymer of olefin elastomer that described compatilizer A is all kinds of acid anhydrides, carboxylic acid graft or all kinds of acid anhydrides, carboxylic acid graft; Described compatilizer B is the polymkeric substance that contains amide group; Described oxidation inhibitor A is a Hinered phenols, and described oxidation inhibitor B is sulfocompound or phosphorous acid esters.
2. a kind of fuel tank material according to claim 1 is characterized in that: described long-chain nylon is the long-chain fat nylon of carbonatoms 11-16.
3. a kind of fuel tank material according to claim 1 is characterized in that: described polyolefine is polyethylene or polypropylene.
4. a kind of fuel tank material according to claim 1 is characterized in that: described compatilizer A is the polyolefine maleic anhydride grafts.
5. a kind of fuel tank material according to claim 1 is characterized in that: described compatilizer B is nylon 6 or nylon 66.
6. a kind of fuel tank material according to claim 1 is characterized in that: described oxidation inhibitor A is 1,1,3-three (5 tertiary butyls-4 hydroxy-2-methyl phenyl)-butane or four [β-(3, the 5-di-tert-butyl-phenyl) propionic acid] tetramethylolmethane.
7. a kind of fuel tank material according to claim 1 is characterized in that: described oxidation inhibitor B is the two octadecane esters of Tyox B, thio-2 acid, tricresyl phosphite (nonyl phenyl) ester or tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester.
8. a kind of fuel tank material according to claim 1 is characterized in that: the ratio of described oxidation inhibitor A and oxidation inhibitor B is 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00115311A CN1117123C (en) | 2000-03-30 | 2000-03-30 | Material for fuel oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00115311A CN1117123C (en) | 2000-03-30 | 2000-03-30 | Material for fuel oil tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1315469A CN1315469A (en) | 2001-10-03 |
| CN1117123C true CN1117123C (en) | 2003-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00115311A Expired - Lifetime CN1117123C (en) | 2000-03-30 | 2000-03-30 | Material for fuel oil tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN1117123C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100567776C (en) * | 2006-02-13 | 2009-12-09 | 比亚迪股份有限公司 | Automatic speed variator gear-selecting and shifting executing mechanism |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469127B (en) * | 2007-12-24 | 2011-11-09 | 上海杰事杰新材料(集团)股份有限公司 | Preparation of polyolefin nylon in situ alloy |
| CN103665843B (en) * | 2013-11-26 | 2016-06-22 | 沃太能源南通有限公司 | A kind of preparation method of the impermeable nylon material for composite fuel case |
| CN109666216A (en) * | 2018-12-17 | 2019-04-23 | 会通新材料(上海)有限公司 | A kind of long glass fiber-reinforced polypropylene/polyamide alloy material and preparation method thereof of high-intensitive, low smell |
| CN111117217A (en) * | 2019-12-26 | 2020-05-08 | 上海普利特复合材料股份有限公司 | Nylon material for injection molding of low-permeability fuel tank and preparation method thereof |
| CN116410590A (en) * | 2021-12-31 | 2023-07-11 | 上海凯赛生物技术股份有限公司 | Long-chain nylon composition, preparation method and application thereof |
| CN115584087B (en) * | 2022-09-30 | 2024-05-14 | 上海金发科技发展有限公司 | Polypropylene composite material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2900559A1 (en) * | 1978-01-10 | 1979-07-12 | Ciba Geigy Ag | PHOSPHITE STABILIZER |
| JPS60144361A (en) * | 1984-01-05 | 1985-07-30 | Toray Ind Inc | Polyamide resin composition |
| US5164251A (en) * | 1989-11-29 | 1992-11-17 | Albany International Corp. | Paper machine felts |
| JPH05117523A (en) * | 1991-10-31 | 1993-05-14 | Rohm & Haas Co | Improvement of polyamide by crystalline polyolefin and graft copolymer |
| JPH07138472A (en) * | 1993-11-17 | 1995-05-30 | Mitsubishi Chem Corp | Polyamide resin composition for film formation and biaxially oriented polyamide prepared film therefrom |
-
2000
- 2000-03-30 CN CN00115311A patent/CN1117123C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2900559A1 (en) * | 1978-01-10 | 1979-07-12 | Ciba Geigy Ag | PHOSPHITE STABILIZER |
| JPS60144361A (en) * | 1984-01-05 | 1985-07-30 | Toray Ind Inc | Polyamide resin composition |
| US5164251A (en) * | 1989-11-29 | 1992-11-17 | Albany International Corp. | Paper machine felts |
| JPH05117523A (en) * | 1991-10-31 | 1993-05-14 | Rohm & Haas Co | Improvement of polyamide by crystalline polyolefin and graft copolymer |
| JPH07138472A (en) * | 1993-11-17 | 1995-05-30 | Mitsubishi Chem Corp | Polyamide resin composition for film formation and biaxially oriented polyamide prepared film therefrom |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100567776C (en) * | 2006-02-13 | 2009-12-09 | 比亚迪股份有限公司 | Automatic speed variator gear-selecting and shifting executing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1315469A (en) | 2001-10-03 |
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Address after: 201109, No. 800, North Song Road, North Qiao Town, Shanghai, Minhang District Patentee after: Shanghai Genius Advanced Material (Group) Co., Ltd. Address before: 201109 Minhang District North Road, Shanghai, No. 800 Patentee before: Jieshijie New Materials Co., Ltd., Shanghai |
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Denomination of invention: Material for fuel oil tank Effective date of registration: 20150810 Granted publication date: 20030806 Pledgee: Hefei Xingtai financing Company limited by guarantee Pledgor: Hefei Genius New Materials Co., Ltd. Registration number: 2015340000014 |
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