CN103554690A - Ethylene propylene diene terpolymer rubber composition for automobile air conditioner hose external rubber layer - Google Patents
Ethylene propylene diene terpolymer rubber composition for automobile air conditioner hose external rubber layer Download PDFInfo
- Publication number
- CN103554690A CN103554690A CN201310542940.9A CN201310542940A CN103554690A CN 103554690 A CN103554690 A CN 103554690A CN 201310542940 A CN201310542940 A CN 201310542940A CN 103554690 A CN103554690 A CN 103554690A
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- CN
- China
- Prior art keywords
- ethylene propylene
- propylene diene
- diene terpolymer
- air conditioner
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses an ethylene propylene diene terpolymer rubber composition for an automobile air conditioner hose external rubber layer. The ethylene propylene diene terpolymer rubber composition comprises the following components: ethylene propylene diene terpolymer rubber 8340A, fast extruding carbon black N550, semi-reinforcing carbon black N772, thermal cracking carbon black N990, paraffin oil 2280, polyethylene glycol, N,N'-meta-phenylene bismaleimide, 1,3-bitert-butyl peroxy-isopropyl benzene and Elvaloy PTW (Potassium Titanate Whisker). The ethylene propylene diene terpolymer rubber composition disclosed by the invention is thermal ageing-resistant (150 DEG C*168 hours), has hardness change of +5 Shore A, a tensile strength change rate of 13.8%, an elongation change rate of (-)23.2%, compression permanent deformation (160 DEG C-22 hours) of 45%, and polyester fiber layer adhesive strength of 23N/cm. Compared with the external rubber layer of the conventional air conditioner hose, the composition has the advantage that the thermal ageing resistance of the composition and the adhesive performance with the polyester fiber layer are greatly improved. And the composition disclosed by the invention can be used for preparing the external rubber layer of the air conditioner hose, and the external rubber layer is high temperature resistant and can be firmly adhered with the polyester fiber reinforced layer.
Description
Technical field
The present invention relates to air conditioning hose technical field, particularly the outer glue-line EPT rubber composition of automotive air conditioning hose.
Background technology
Automotive air conditioning hose mainly refers to the sebific duct of in automotive air-conditioning system delivering liquid or gaseous refrigerant R134a, and its hose construction (from inside to outside) is interior nylon layer/mesogloea/trevira enhancement layer/outer glue-line.The outer glue-line of this flexible pipe need high temperature resistant and with trevira enhancement layer adhesiveproperties firmly.Although existing technology has good thermotolerance for the EPT rubber composition of the outer glue-line of air conditioning hose at more than 150 ℃ environment, but, so the deficiency of prior art anxious to be resolved EPT rubber composition existence very poor with the adhesiveproperties of trevira enhancement layer.
Summary of the invention
The object of the present invention is to provide a kind of EPT rubber composition, for the outer glue-line of automotive air conditioning hose, meet the outer glue-line of air conditioning hose high temperature resistant and with trevira enhancement layer adhesiveproperties firmly.
The object of the present invention is achieved like this: the EPT rubber composition that the outer glue-line of a kind of automotive air conditioning hose is used, and its component and mass fraction are as follows:
Describe EPT rubber composition of the present invention in detail.
Terpolymer EP rubber, trade mark 8340A ，Lang Sheng Chemical Co., Ltd. product, this terpolymer EP rubber, tensile strength is high, good heat resistance.During cryogenic vulcanization, speed is fast, and compression set is little, and the terpolymer EP rubber of other trade mark can not meet requirement of the present invention.
Fast carbon black N550, semi-reinforcing hydrocarbon black N772, the thermo-cracking carbon black N990 of extruding, is strengthening agent, three kinds of carbon blacks high by sizing material tensile strength, and compression set is little, is better than the carbon black of other trade mark.
Paraffin oil, the trade mark 2280, U.S. Sun Oil Company product, is softening agent, gives sizing material high heat resistance low extractable.The paraffin oil that is better than other trade mark.
Polyoxyethylene glycol, vulcanization leveller, improves vulcanization crosslinking degree, can improve extruded velocity.
N, N '-meta-phenylene bismaleimide, superoxide additional crosslinker, can make, after terpolymer EP rubber sulfuration, to have excellent high thermal resistance, low compression set, improves the bonding force with fabric fibre.
1,3-dual-tert-butyl peroxy isopropyl base benzene, peroxide vulcanizing agent, can make sizing material high temperature resistant, good springiness.
ElvaloyPTW, is caking agent, and du pont company produces, and adds the tensile strength that can improve terpolymer EP rubber in formula, thermotolerance and with the bonding force of trevira.
EPT rubber composition of the present invention, adopt existing mixer mixing process preparation, the preparation method of air conditioning hose, adopts existing its preparation process, and the structure of flexible pipe is interior nylon layer, mesogloea, trevira enhancement layer, outer glue-line from inside to outside.
The present invention is by selecting terpolymer EP rubber 8340A, caking agent ElvaloyPTW, N, N '-meta-phenylene bismaleimide, paraffin oil 2280 and other relevant Synergist S-421 95, adopt peroxide vulcanizing system, can prepare high temperature resistant and with the EPT rubber composition of trevira enhancement layer strong bond, said composition is for the preparation of the outer glue-line of air conditioning hose.
Embodiment
(blend unit: parts by weight)
| Component | Example 1 | Example 2 | Example 3 |
| Terpolymer EP rubber 8340A | 100 | 100 | 100 |
| The fast carbon black N550 that extrudes | 40 | 35 | 30 |
| Semi-reinforcing hydrocarbon black N772 | 60 | 65 | 70 |
| Thermo-cracking carbon black N990 | 30 | 35 | 40 |
| Paraffin oil 2280 | 50 | 45 | 40 |
| Polyoxyethylene glycol | 3 | 2 | 1 |
| N, N '-meta-phenylene bismaleimide | 1 | 1.5 | 2 |
| 1,3-dual-tert-butyl peroxy isopropyl base benzene | 8 | 7.5 | 7 |
| ElvaloyPTW | 16 | 15 | 14 |
| Composition properties | ? | ? | ? |
| H S(that A continues) | 67.2 | 68.1 | 69 |
| T B（MPa） | 12.7 | 13.1 | 12.9 |
| E B（%） | 301 | 315 | 296 |
| 150 ℃ of * 168h heat-proof aging changes in hardness (that A continues) | 4 | 5 | 5 |
| 150 ℃ of * 168h heat-proof aging △ T B（%） | 14.2 | 14.5 | 14.3 |
| 150 ℃ of * 168h heat-proof aging △ E B（%） | -22.4 | -23.1 | -22.6 |
| 160 ℃ of * 22h compression set (%) | 42 | 44 | 43 |
| The outer glue-line performance of flexible pipe | ? | ? | ? |
| H S(that A continues) | 63 | 65 | 63 |
| T B（MPa） | 11.9 | 12.1 | 12.4 |
| E B（%） | 330 | 325 | 320 |
| 150 ℃ of * 168h heat-proof aging changes in hardness (that A continues) | 4 | 5 | 4 |
| 150 ℃ of * 168h heat-proof aging △ T B（%） | 14.1 | 13.8 | 13.9 |
| 150 ℃ of * 168h heat-proof aging △ E B（%） | -24.5 | -23.2 | -24.1 |
| 160 ℃ of * 22h compression set (%) | 42 | 45 | 43 |
| With layer of polyester fiber bonding force, N/cm | 20 | 23 | 22 |
By above-described embodiment, can be found out, select terpolymer EP rubber 8340A, caking agent ElvaloyPTW, N, N '-meta-phenylene bismaleimide and other relevant Synergist S-421 95, adopt peroxide vulcanizing system, can prepare high temperature resistant and with the EPT rubber composition of trevira enhancement layer strong bond, said composition is for the preparation of the outer glue-line of air conditioning hose.
The outer glue-line performance of flexible pipe:
Heat-proof aging (150 ℃ of * 168h), continue your A of changes in hardness+5, tensile strength velocity of variation is 13.8%, and elongation change rate is-23.2%, and compression set (160 ℃ of * 22h) 45%, with layer of polyester fiber bonding force 23N/cm.Compare its heat-resistant aging with the outer glue-line of traditional air conditioning hose and greatly improve with layer of polyester fiber adhesiveproperties.
Claims (2)
1. for an EPT rubber composition for automotive air conditioning hose, it is characterized in that formula constituent and mass fraction are as follows:
2. adopt the EPT rubber composition for automotive air conditioning hose of claim 1, it is characterized in that EPT rubber composition is for the outer glue-line of automotive air conditioning hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542940.9A CN103554690A (en) | 2013-11-05 | 2013-11-05 | Ethylene propylene diene terpolymer rubber composition for automobile air conditioner hose external rubber layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542940.9A CN103554690A (en) | 2013-11-05 | 2013-11-05 | Ethylene propylene diene terpolymer rubber composition for automobile air conditioner hose external rubber layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103554690A true CN103554690A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310542940.9A Pending CN103554690A (en) | 2013-11-05 | 2013-11-05 | Ethylene propylene diene terpolymer rubber composition for automobile air conditioner hose external rubber layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110582535A (en) * | 2017-05-03 | 2019-12-17 | 利哈伊技术股份有限公司 | Thermoplastic elastomer composition with micronized rubber powder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314979A (en) * | 1998-09-10 | 2001-09-26 | 艾罗奎普有限公司 | Refrigerant hose |
| CN101712781A (en) * | 2009-12-03 | 2010-05-26 | 天津鹏翎胶管股份有限公司 | Formula of middle rubber layer of hyposmosis air-conditioning rubber pipe |
| CN101875744A (en) * | 2009-12-03 | 2010-11-03 | 天津鹏翎胶管股份有限公司 | Formula of outer rubber layer of hyposmosis air conditioner rubber pipe |
| CN101948588A (en) * | 2010-10-25 | 2011-01-19 | 天津鹏翎胶管股份有限公司 | Outer layer glue of carbon dioxide refrigerant air conditioner rubber hose |
| CN102093638A (en) * | 2010-09-24 | 2011-06-15 | 天津鹏翎胶管股份有限公司 | Cold-resistant rubber tube using both peroxide ternary ethylene-propylene rubber and reclaimed rubber |
| CN102898731A (en) * | 2012-10-10 | 2013-01-30 | 天津鹏翎胶管股份有限公司 | Ethylene propylene diene monomer (EPDM) rubber hose composition with high property and preparation method |
-
2013
- 2013-11-05 CN CN201310542940.9A patent/CN103554690A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314979A (en) * | 1998-09-10 | 2001-09-26 | 艾罗奎普有限公司 | Refrigerant hose |
| CN101712781A (en) * | 2009-12-03 | 2010-05-26 | 天津鹏翎胶管股份有限公司 | Formula of middle rubber layer of hyposmosis air-conditioning rubber pipe |
| CN101875744A (en) * | 2009-12-03 | 2010-11-03 | 天津鹏翎胶管股份有限公司 | Formula of outer rubber layer of hyposmosis air conditioner rubber pipe |
| CN102093638A (en) * | 2010-09-24 | 2011-06-15 | 天津鹏翎胶管股份有限公司 | Cold-resistant rubber tube using both peroxide ternary ethylene-propylene rubber and reclaimed rubber |
| CN101948588A (en) * | 2010-10-25 | 2011-01-19 | 天津鹏翎胶管股份有限公司 | Outer layer glue of carbon dioxide refrigerant air conditioner rubber hose |
| CN102898731A (en) * | 2012-10-10 | 2013-01-30 | 天津鹏翎胶管股份有限公司 | Ethylene propylene diene monomer (EPDM) rubber hose composition with high property and preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110582535A (en) * | 2017-05-03 | 2019-12-17 | 利哈伊技术股份有限公司 | Thermoplastic elastomer composition with micronized rubber powder |
| US11274195B2 (en) | 2017-05-03 | 2022-03-15 | Lehigh Technologies, Inc. | Thermoplastic elastomer compositions having micronized rubber powder |
| CN110582535B (en) * | 2017-05-03 | 2022-07-05 | 利哈伊技术股份有限公司 | Thermoplastic elastomer composition with micronized rubber powder |
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Application publication date: 20140205 |