Low-permeability and high-adhesion conductive automobile fuel pipe and preparation method thereof

A fuel pipe and low-permeability technology, which is applied to chemical instruments and methods, tubular objects, vehicle parts, etc., can solve the problems of short service life of fuel pipes, poor resistance to fuel penetration, and inability to vulcanize plastics, etc., achieving a high pass rate , good resistance to fuel penetration, and the effect of improving the safety of use

Active Publication Date: 2020-05-29
ZHEJIANG JUNHE RUBBER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, although the NBR structure rubber hose used in the automotive fuel system has the advantages of oil resistance and aging resistance, its resistance to fuel penetration is poor.
At the same time, many fuel pipes use rubber-plastic composites to meet the low-permeability requirements of fuel pipes. However, because the molecular weight of rubber itself is smaller than that of plastics, the molecular chains are not dense enough, and plastics cannot be vulcanized, and the surface activity of plastics is low. , relatively stable, not easy to bond with other substances, resulting in a short service life of the fuel pipe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A low-permeability high-adhesion conductive automobile fuel pipe, the NBR rubber layer includes 100 parts of nitrile rubber with 45% acrylonitrile content, 30 parts of N550 carbon black, 5 parts of conductive carbon black, 1 part of liquid NBR, and 10 parts of plasticizer, 1 part of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 5 parts of magnesium chloride, 1 part of modified phenolic resin, 1 part of tetrabutylphosphobenzotriazolium salt , 2 parts of triallyl cyanurate, 2 parts of odorless DCP; wherein the plasticizer includes 5 parts of trioctyl trimellitate and 5 parts of dioctyl sebacate by weight;

[0048] The NBR / PVC alloy layer includes 100 parts by weight of NBR / PVC alloy, 30 parts of N550 carbon black, 5 parts of dibutoxyethyl oxalate, 2,2,4-trimethyl-1,2-dihydrogenated 1 part of quinoline polymer, 1 part of N-isopropyl-N'-phenyl-p-phenylenediamine, 3 parts of magnesium oxide, 2 parts of triallyl cyanurate, 2 parts of odorless DCP;

[0049] A method for prepa...

Embodiment 2

[0057] A low-permeability high-adhesion conductive automobile fuel pipe, the NBR rubber layer includes 105 parts of nitrile rubber with 45% acrylonitrile content, 40 parts of N550 carbon black, 9 parts of conductive carbon black, 3 parts of liquid NBR, and 15 parts of plasticizer, 1.5 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 7 parts of magnesium chloride, 2 parts of modified phenolic resin, 2 parts of tetrabutylphosphorbenzotriazole salt , 3 parts of triallyl cyanurate, 2.5 parts of odorless DCP; wherein the plasticizer includes 8 parts of trioctyl trimellitate and 8 parts of dioctyl sebacate by weight;

[0058] The NBR / PVC alloy layer includes 105 parts by weight of NBR / PVC alloy, 40 parts of N550 carbon black, 8 parts of dibutoxyethyl oxalate, 2,2,4-trimethyl-1,2-dihydrogenated 1.5 parts of quinoline polymer, 1.5 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 5 parts of magnesium oxide, 3 parts of triallyl cyanurate, 3 parts of odorless DCP;

[0059] A met...

Embodiment 3

[0067] A low-permeability high-adhesion conductive automobile fuel pipe, the NBR rubber layer includes 110 parts of nitrile rubber with 45% acrylonitrile content, 55 parts of N550 carbon black, 13 parts of conductive carbon black, 5.5 parts of liquid NBR, and 20 parts of plasticizer, 2 parts of 2,2,4-trimethyl-1,2-dihydroquinoline polymer, 10 parts of magnesium chloride, 2.5 parts of modified phenolic resin, 2.5 parts of tetrabutylphosphobenzotriazole salt , 4 parts of triallyl cyanurate, 3.5 parts of odorless DCP; wherein the plasticizer comprises 10 parts of trioctyl trimellitate and 10 parts of dioctyl sebacate by weight;

[0068] The NBR / PVC alloy layer includes 110 parts by weight of NBR / PVC alloy, 55 parts of N550 carbon black, 10 parts of dibutoxyethyl oxalate, 2,2,4-trimethyl-1,2-dihydrogenated 2 parts of quinoline polymer, 2 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 6.5 parts of magnesium oxide, 3.5 parts of triallyl cyanurate, 3.5 parts of odorless DCP;

[...

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PUM

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Abstract

The invention discloses a low-permeability and high-adhesion conductive automobile fuel pipe and a preparation method thereof, and belongs to the technical field of fuel pipes. The fuel pipe comprisesan NBR rubber layer, a THV fluoroplastic layer, an NBR rubber layer, an aramid fiber reinforcing layer and an NBR / PVC alloy layer from inside to outside to achieve the effect of improving the bondingstrength among all the layers of the fuel pipe.

Description

technical field [0001] The invention relates to the field of fuel pipes, in particular to a low-permeation, high-adhesion conductive automobile fuel pipe and a preparation method thereof. Background technique [0002] With the development of the automobile industry, countries are paying more and more attention to environmental protection. In order to effectively control automobile exhaust emissions, all countries are continuously improving the emission standards of automobile fuel systems, and the requirements for the penetration of automobile fuel pipes are also getting higher and higher. Automotive fuel pipes include fuel oil pipes and fuel pipes that supply fuel to the engine. They are relatively important safety parts, and the performance requirements for their materials are also relatively high. For materials with better heat resistance, the outer layer material should use rubber materials with good mechanical properties, heat resistance, ozone resistance, and good adhe...

Claims

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Application Information

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IPC IPC(8): B32B1/08B32B27/02B32B25/08B32B25/10B32B25/14B32B27/08B32B27/20B32B27/30B32B27/34B32B33/00B60K15/01B29B7/28B29B7/82B29C35/00B29C35/02B29C48/18B29C48/92C08L9/02B29L23/00C08K3/22
CPCB32B1/08B32B25/08B32B25/14B32B5/02B32B25/10B32B27/304B32B27/30B32B27/20B32B27/08B32B33/00C08L9/02B60K15/01B29B7/28B29B7/823B29C48/18B29C48/92B29C35/02B29C35/002C08L2201/08C08L2201/04C08L2203/18C08L2205/025C08L2205/03C08K2201/014C08K2003/222B29C2948/92704B29L2023/00B32B2262/0269B32B2270/00B32B2307/73B32B2307/7265B32B2307/714B32B2307/21B32B2597/00C08L61/14C08K13/02C08K3/04C08K5/12C08K5/11C08L27/06C08K5/18C08K3/22
Inventor 蒋广煜李旭蒋亨雷刘元顺袁银松
Owner ZHEJIANG JUNHE RUBBER TECH
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