CN107955366A - Effective multilayer inner tube layer polymer composite of vehicle fuel and preparation method thereof - Google Patents
Effective multilayer inner tube layer polymer composite of vehicle fuel and preparation method thereof Download PDFInfo
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- CN107955366A CN107955366A CN201711127936.0A CN201711127936A CN107955366A CN 107955366 A CN107955366 A CN 107955366A CN 201711127936 A CN201711127936 A CN 201711127936A CN 107955366 A CN107955366 A CN 107955366A
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- inner tube
- evm
- vehicle fuel
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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 present invention relates to effective multilayer inner tube layer polymer composite of a kind of vehicle fuel and preparation method thereof, the inner layer material includes each component of following parts by weight, 50 70 parts of nylon resin, 10 30 parts of PE, 5 10 parts of EVM, 10 30 parts of phase solvent, 15 parts of auxiliary agent；It is an advantage of the invention that：It contains less micromolecular compound compared with current material, seldom separates out in use, effectively reduces or avoid the formation and accumulation of carbonizing of engine combustion chamber.The effective use for avoiding plasticizer, toughener, fuel oil leaching rate significantly reduce, and the formation of carbonizing of engine combustion chamber have been reduced or avoided, and maintain good cryogenic property and high-temperature behavior.
Description
Technical field
The present invention relates to effective multilayer inner tube layer polymer composite of a kind of vehicle fuel and preparation method thereof, belong to vapour
Car Material Field.
Background technology
With the continuous improvement of our income and living standard, automobile enters common people house, has been our days
Produce indispensable traffic appliance living, but environmental problem is into perplexing our a great problem, vehicle fuel pipe itself
Discharge also progresses into a part for national automobile emissions standards, and vehicle fuel multilayer pipe MULTILAYER COMPOSITE solves this well
Problem, but that the internal layer of multilayer fuel pipe uses at present is toughness reinforcing PA6 mostly, PA6 toughness reinforcings to current using effect needs
The toughener and plasticizer of significant proportion are added, is micromolecular compound mostly in this additive, can be slow under gasoline immersion
Slow dissolution, enters engine chamber with fuel oil, these small molecules cannot burn as gasoline, but in engine after being carbonized
Combustion chamber forms the carbon deposit being difficult to clean off, and influences performance and the service life of engine.
The content of the invention
The defects of to overcome the prior art, the present invention provide a kind of effective multilayer inner tube layer macromolecule composite wood of vehicle fuel
Material and preparation method thereof, the technical scheme is that：
A kind of effective multilayer inner tube layer polymer composite of vehicle fuel, the inner layer material include following parts by weight
Each component, 50-70 parts of nylon resin, 5-10 parts of 10-30 parts of PE, EVM, 10-30 parts of phase solvent, 1-5 parts of auxiliary agent；Described
Nylon resin is PA610, and PE is linear low density polyethylene, and the EVM is ethylene vinyl acetate copolymer, wherein acetic acid
Ethene ester content is not less than 40%；The auxiliary agent is selected from the mixing that antioxidant, chain extender and end-capping reagent are formed according to arbitrary proportion
Thing；The one kind of the phase solvent in PE-g-MAH, POE-g-GMA, SEBS-g-MAH or SEBS-g-GMA.
60 parts of the nylon resin, 8 parts of 15 parts of PE, EVM, 15 parts of phase solvent, 2 parts of auxiliary agent.
A kind of method for preparing the effective multilayer inner tube layer polymer composite of vehicle fuel, it is characterised in that including with
Lower step：
(1) each component is weighed by proportioning；
(2) nylon resin, PE, EVM, phase solvent and auxiliary agent are sequentially added to mixer, passes through twin-screw after stirring evenly
Extruder extruding pelletization.
Whipping temp is room temperature in the step (2), and mixing speed is 400 revs/min, mixing time 10 minutes；It is described
Double screw extruder screw speed 280-320 revs/min, the mixed material that each component is formed passes through twin-screw after stirring evenly
Extruded behind nine areas of extruder, the temperature in each of which area is respectively：One 200 DEG C of area, two 210 DEG C of areas, three 220 DEG C of areas, four
230 DEG C of area, five 240 DEG C of areas, six 240 DEG C of areas, seven 240 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas.
It is an advantage of the invention that：It contains less micromolecular compound compared with current material, in use seldom analysis
Go out, effectively reduce or avoid the formation and accumulation of carbonizing of engine combustion chamber.Effectively avoid plasticizer, toughener
Use, fuel oil leaching rate significantly reduces, and the formation of carbonizing of engine combustion chamber has been reduced or avoided, and maintain good
Cryogenic property and high-temperature behavior.
Embodiment
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.People in the art
Member it should be understood that without departing from the spirit and scope of the invention can to the details of technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are each fallen within protection scope of the present invention.
Embodiment 1：The present invention relates to a kind of effective multilayer inner tube layer polymer composite of vehicle fuel, the internal layer
Material includes each component of following parts by weight, 50 parts of nylon resin, 5 parts of 10 parts of PE, EVM, 10 parts of phase solvent, 1 part of auxiliary agent；Institute
The nylon resin stated is PA610 (relative viscosity 4.4~4.8), and PE is linear low density polyethylene, and the EVM is ethene vinegar
Vinyl acetate copolymer, wherein vinyl acetate content are not less than 40%；The auxiliary agent is selected from antioxidant, chain extender and end-capping reagent
The mixture formed according to arbitrary proportion；The phase solvent is PE-g-MAH or POE-g-GMA.
The preparation method of the effective multilayer inner tube layer polymer composite of vehicle fuel comprises the following steps：
(1) each component is weighed by proportioning；
(2) nylon resin, PE, EVM, phase solvent and auxiliary agent are sequentially added to mixer, passes through twin-screw after stirring evenly
Extruder extruding pelletization.
Whipping temp is room temperature in the step (2), and mixing speed is 400 revs/min, mixing time 10 minutes；It is described
Double screw extruder 280 revs/min of screw speed, each component formed mixed material stir evenly after pass through twin-screw extrusion
Extruded behind nine areas of machine, the temperature in each of which area is respectively：One 200 DEG C of area, two 210 DEG C of areas, three 220 DEG C of areas, four areas 230
DEG C, five 240 DEG C of areas, six 240 DEG C of areas, seven 240 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas.
Embodiment 2：Difference lies in, 60 parts of the nylon resin, 8 parts of 15 parts of PE, EVM, phase solvent with embodiment 1
15 parts, 2 parts of auxiliary agent.The phase solvent is SEBS-g-MAH, SEBS-g-GMA, and the effective multilayer inner tube layer of vehicle fuel is high
The preparation method of molecular composite material comprises the following steps：(1) each component is weighed by proportioning；(2) sequentially add nylon resin,
PE, EVM, phase solvent and auxiliary agent pass through double screw extruder extruding pelletization to mixer after stirring evenly.The step (2)
Middle whipping temp is room temperature, and mixing speed is 400 revs/min, mixing time 10 minutes；The screw rod of the double screw extruder turns
Speed 300 revs/min, each component formed mixed material stir evenly after by being extruded behind nine areas of double screw extruder, wherein
The temperature in each area is respectively：One 200 DEG C of area, two 210 DEG C of areas, three 220 DEG C of areas, four 230 DEG C of areas, five 240 DEG C of areas, six areas 240
DEG C, seven 240 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas.
Embodiment 3：Difference lies in the internal layer polymer composite includes following parts by weight with embodiment 1
Each component, 70 parts of nylon resin, 10 parts of 30 parts of PE, EVM, 30 parts of phase solvent, 5 parts of auxiliary agent；The phase solvent is selected from PE-g-
One kind in MAH, POE-g-GMA, SEBS-g-MAH, SEBS-g-GMA.The effective multilayer inner tube layer macromolecule of vehicle fuel
The preparation method of composite material comprises the following steps：(1) each component is weighed by proportioning；(2) sequentially add nylon resin, PE,
EVM, phase solvent and auxiliary agent pass through double screw extruder extruding pelletization to mixer after stirring evenly.Stirred in the step (2)
It is room temperature to mix temperature, and mixing speed is 400 revs/min, mixing time 10 minutes；The screw speed of the double screw extruder
320 revs/min, each component formed mixed material stir evenly after by being extruded behind nine areas of double screw extruder, wherein often
The temperature in one area is respectively：One 200 DEG C of area, two 210 DEG C of areas, three 220 DEG C of areas, four 230 DEG C of areas, five 240 DEG C of areas, six 240 DEG C of areas,
Seven 240 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas.
Table 1 is the embodiment of the present invention and the performance test of existing modified Pa 6.
Table 1
Claims (4)
1. a kind of effective multilayer inner tube layer polymer composite of vehicle fuel, the inner layer material includes following parts by weight
Each component, 50-70 parts of nylon resin, 5-10 parts of 10-30 parts of PE, EVM, 10-30 parts of phase solvent, 1-5 parts of auxiliary agent；The Buddhist nun
Imperial resin is PA610, and PE is linear low density polyethylene, and the EVM is ethylene vinyl acetate copolymer, wherein acetic acid second
Enester content is not less than 40%；The auxiliary agent is selected from the mixture that antioxidant, chain extender and end-capping reagent are formed according to arbitrary proportion；
The one kind of the phase solvent in PE-g-MAH, POE-g-GMA, SEBS-g-MAH or SEBS-g-GMA.
2. the effective multilayer inner tube layer polymer composite of vehicle fuel according to claim 1, it is characterised in that described
60 parts of nylon resin, 8 parts of 15 parts of PE, EVM, 15 parts of phase solvent, 2 parts of auxiliary agent.
3. a kind of method for preparing the effective multilayer inner tube layer polymer composite of the vehicle fuel of claim 1 or 2, it is special
Sign is, comprises the following steps：
(1) each component is weighed by proportioning；
(2) nylon resin, PE, EVM, phase solvent and auxiliary agent are sequentially added to mixer, passes through twin-screw extrusion after stirring evenly
Machine extruding pelletization.
4. according to the method described in claim 3, it is characterized in that, whipping temp is room temperature in the step (2), stirring is fast
Spend for 400 revs/min, mixing time 10 minutes；280-320 revs/min of the screw speed of the double screw extruder, each component shape
Into mixed material stir evenly after by being extruded behind nine areas of double screw extruder, the temperature in each of which area is respectively：
One 200 DEG C of area, two 210 DEG C of areas, three 220 DEG C of areas, four 230 DEG C of areas, five 240 DEG C of areas, six 240 DEG C of areas, seven 240 DEG C of areas, eight areas 240
DEG C, nine 235 DEG C of areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127936.0A CN107955366A (en) | 2017-11-14 | 2017-11-14 | Effective multilayer inner tube layer polymer composite of vehicle fuel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127936.0A CN107955366A (en) | 2017-11-14 | 2017-11-14 | Effective multilayer inner tube layer polymer composite of vehicle fuel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107955366A true CN107955366A (en) | 2018-04-24 |
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ID=61964858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711127936.0A Pending CN107955366A (en) | 2017-11-14 | 2017-11-14 | Effective multilayer inner tube layer polymer composite of vehicle fuel and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107955366A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999394A1 (en) * | 1998-11-04 | 2000-05-10 | The Goodyear Tire & Rubber Company | Hose construction containing ternary blend of polymers |
| CN102690463A (en) * | 2012-06-19 | 2012-09-26 | 上海交通大学 | Ethylene-vinyl acetate rubber thermoplastic elastomer and preparation method thereof |
| CN103421309A (en) * | 2012-09-03 | 2013-12-04 | 宁波能聚工程塑料有限公司 | Cold-resistant super-tough reinforced nylon 6 material for automobiles and preparation method thereof |
-
2017
- 2017-11-14 CN CN201711127936.0A patent/CN107955366A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999394A1 (en) * | 1998-11-04 | 2000-05-10 | The Goodyear Tire & Rubber Company | Hose construction containing ternary blend of polymers |
| CN102690463A (en) * | 2012-06-19 | 2012-09-26 | 上海交通大学 | Ethylene-vinyl acetate rubber thermoplastic elastomer and preparation method thereof |
| CN103421309A (en) * | 2012-09-03 | 2013-12-04 | 宁波能聚工程塑料有限公司 | Cold-resistant super-tough reinforced nylon 6 material for automobiles and preparation method thereof |
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Application publication date: 20180424 |
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