CN104262798A - Application of EPDM white article sponge to automobile air-conditioner - Google Patents
Application of EPDM white article sponge to automobile air-conditioner Download PDFInfo
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- CN104262798A CN104262798A CN201410487546.4A CN201410487546A CN104262798A CN 104262798 A CN104262798 A CN 104262798A CN 201410487546 A CN201410487546 A CN 201410487546A CN 104262798 A CN104262798 A CN 104262798A
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2203/14—Applications used for foams
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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
- 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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Abstract
The invention relates to an application of an EPDM white article sponge to an automobile air-conditioner. The EPDM white article sponge is prepared from the following raw materials in parts by weight: 100 parts of EPDMK4903 raw rubber, 20-30 parts of white carbon black, 80-100 parts of tripoli, 70-90 parts of white oil, 15-20 parts of titanium dioxide, 5-8 parts of zinc oxide, 1-2 parts of stearic acid, 2-4 parts of PEG4000, 2-3 parts of a dispersant, 1-3 parts of a coupling agent, 0.01 part of carbon black N550, 3-5 parts of calcium oxide, 1-2 parts of MBT-80, 1-2 parts of ZDBC-80, 0.5-0.8 part of TDEC-75, 3-5 parts of AC-75, 3-5 parts of OBSH, 1-2 parts of DTDM and 1-2 parts of S-80. The EPDM white article sponge provided by the invention has the advantages of high tensile strength, relatively small pressure change and foaming density and excellent performance; the EPDM white article sponge provided by the invention is a foaming structure inside and has relatively good insulating performance and sound absorption and noise reduction effects.
Description
Technical field
The present invention relates to a kind of EPDM platinum sponge bar, specifically, is the application of a kind of EPDM platinum sponge bar in automative air conditioning.
Background technology
EPDM sponge strip density is little, and elasticity and flexibility excellence, have good damping, sound insulation, heat-proof quality, is widely used in the industry such as automobile, aircraft, chemistry, daily necessities, is used as insulation, sound insulation, packing etc.Because it has excellent heat retaining property, therefore can be used on automative air conditioning.
The EPDM sponge strip general requirement be applied on automative air conditioning has larger tensile strength, less pressure becomes and expansion density, and EPDM sponge strip is generally black, and the EPDM sponge strip of white uses less because its development technique difficulty is comparatively large.
About the EPDM platinum sponge bar that tensile strength is large, pressure becomes and expansion density is less, yet there are no report.
Summary of the invention
The object of the invention is, the application of a kind of EPDM platinum sponge bar in automative air conditioning is provided.
For achieving the above object, the technical scheme that the present invention takes is:
The application of a kind of EPDM platinum sponge bar in automative air conditioning, described EPDM platinum sponge bar is made up of the material of following weight part: EPDM K4903 rubber 100 parts, White Carbon black 20 ~ 30 parts, tripoli 80 ~ 100 parts, white oil 70 ~ 90 parts, titanium dioxide 15 ~ 20 parts, 5 ~ 8 parts, zinc oxide, stearic acid 1 ~ 2 part, PEG4000 2 ~ 4 parts, dispersion agent 2 ~ 3 parts, coupling agent 1 ~ 3 part, carbon black N550 0.01 part, 3 ~ 5 parts, calcium oxide, MBT-80 1 ~ 2 part, ZDBC-80 1 ~ 2 part, TDEC-75 0.5 ~ 0.8 part, AC-75 3 ~ 5 parts, OBSH 3 ~ 5 parts, DTDM 1 ~ 2 part, S-80 1 ~ 2 part.
Described dispersion agent is higher fatty acid salt mixture, and described higher fatty acid salt mixture is made up of Zinic stearas and calcium stearate.
The invention has the advantages that:
1, large, the pressure of the tensile strength of EPDM platinum sponge bar of the present invention become and expansion density less, excellent performance.
2, the present invention inside is foaming structure, has good heat-insulating property and absorbing sound and lowering noise effect.
Herein, described EPDM K4903 is purchased from German bright Sheng, and the trade mark is K4903, and described coupling agent is coupling agent SI-69; Described MBT-80 is a kind of thiofide, is purchased from Shandong Tian Fu Chemical Co., Ltd.; Described ZDBC-80 is natural and elastomeric ultra-rapid vulcanization promotor, is purchased from Guangdong Du Ba novel material Science and Technology Ltd.; Described TDEC-75 is a kind of thiofide, is purchased from Ningbo flowers of sulfur polymkeric substance company limited; Described AC-75 is a kind of rubber pange agent, is purchased from Hengshui ternary trade of goods and materials company limited; Described OBSH is a kind of rubber pange agent, is purchased from great achievement Chemical Industry Science Co., Ltd of Beijing Cigna; Described DTDM is a kind of thiofide, is purchased from the prosperous Anyuan chemical industry company limited of Panjin.
Embodiment
the preparation (one) of embodiment 1 the present invention EPDM platinum sponge used for automobile air conditioning bar
Take each component by weight: EPDM K4903 rubber 100 parts, White Carbon black 20 parts, tripoli 80 parts, white oil 70 parts, titanium dioxide 15 parts, 5 parts, zinc oxide, stearic acid 1 part, PEG4000 2 parts, Zinic stearas 1 part, calcium stearate 1 part, coupling agent 1 part, carbon black N550 0.01 part, 3 parts, calcium oxide, MBT-80 1 part, ZDBC-80 1 part, TDEC-75 0.5 part, AC-75 3 parts, OBSH 3 parts, DTDM 1 part, S-80 1 part.
Preparation technology: by EPDM K4903 rubber, White Carbon black, tripoli, white oil, titanium dioxide, zinc oxide, stearic acid, PEG4000, Zinic stearas, calcium stearate, coupling agent, carbon black N550, calcium oxide, MBT-80, ZDBC-80, TDEC-75, AC-75, OBSH, DTDM, S-80 are mixing makes one section of glue, dump temperature is 130 ~ 140 DEG C, and slice cooling parks more than 12 hours; Will draw thin-pass after two-stage mixing 3 times, shaping is parked after 8 hours and is used.
the preparation (two) of embodiment 2 the present invention EPDM platinum sponge used for automobile air conditioning bar
Take each component by weight: EPDM K4903 rubber 100 parts, White Carbon black 30 parts, tripoli 100 parts, white oil 90 parts, titanium dioxide 20 parts, 8 parts, zinc oxide, stearic acid 2 parts, PEG4000 4 parts, Zinic stearas 1 part, calcium stearate 2 parts, coupling agent 3 parts, carbon black N550 0.01 part, 5 parts, calcium oxide, MBT-80 2 parts, ZDBC-80 2 parts, TDEC-75 0.8 part, AC-75 5 parts, OBSH 5 parts, DTDM 2 parts, S-80 2 parts.
Preparation technology: by EPDM K4903 rubber, White Carbon black, tripoli, white oil, titanium dioxide, zinc oxide, stearic acid, PEG4000, Zinic stearas, calcium stearate, coupling agent, carbon black N550, calcium oxide, MBT-80, ZDBC-80, TDEC-75, AC-75, OBSH, DTDM, S-80 are mixing makes one section of glue, dump temperature is 130 ~ 140 DEG C, and slice cooling parks more than 12 hours; Will draw thin-pass after two-stage mixing 3 times, shaping is parked after 8 hours and is used.
the preparation (three) of embodiment 3 the present invention EPDM platinum sponge used for automobile air conditioning bar
Take each component by weight: EPDM K4903 rubber 100 parts, White Carbon black 20 parts, tripoli 80 parts, white oil 90 parts, titanium dioxide 20 parts, 5 parts, zinc oxide, stearic acid 1 part, PEG4000 4 parts, Zinic stearas 2 parts, calcium stearate 1 part, coupling agent 1 part, carbon black N550 0.01 part, 3 parts, calcium oxide, MBT-80 2 parts, ZDBC-80 2 parts, TDEC-75 0.5 part, AC-75 3 parts, OBSH 5 parts, DTDM 2 parts, S-80 1 part.
Preparation technology: by EPDM K4903 rubber, White Carbon black, tripoli, white oil, titanium dioxide, zinc oxide, stearic acid, PEG4000, Zinic stearas, calcium stearate, coupling agent, carbon black N550, calcium oxide, MBT-80, ZDBC-80, TDEC-75, AC-75, OBSH, DTDM, S-80 are mixing makes one section of glue, dump temperature is 130 ~ 140 DEG C, and slice cooling parks more than 12 hours; Will draw thin-pass after two-stage mixing 3 times, shaping is parked after 8 hours and is used.
the preparation (four) of embodiment 4 the present invention EPDM platinum sponge used for automobile air conditioning bar
Take each component by weight: EPDM K4903 rubber 100 parts, White Carbon black 30 parts, tripoli 100 parts, white oil 70 parts, titanium dioxide 15 parts, 8 parts, zinc oxide, stearic acid 2 parts, PEG4000 2 parts, Zinic stearas 1 part, calcium stearate 1 part, coupling agent 3 parts, carbon black N550 0.01 part, 5 parts, calcium oxide, MBT-80 1 part, ZDBC-80 1 part, TDEC-75 0.8 part, AC-75 5 parts, OBSH 3 parts, DTDM 1 part, S-80 2 parts.
Preparation technology: by EPDM K4903 rubber, White Carbon black, tripoli, white oil, titanium dioxide, zinc oxide, stearic acid, PEG4000, Zinic stearas, calcium stearate, coupling agent, carbon black N550, calcium oxide, MBT-80, ZDBC-80, TDEC-75, AC-75, OBSH, DTDM, S-80 are mixing makes one section of glue, dump temperature is 130 ~ 140 DEG C, and slice cooling parks more than 12 hours; Will draw thin-pass after two-stage mixing 3 times, shaping is parked after 8 hours and is used.
the preparation (five) of embodiment 5 the present invention EPDM platinum sponge used for automobile air conditioning bar
Take each component by weight: EPDM K4903 rubber 100 parts, White Carbon black 25 parts, tripoli 90 parts, white oil 80 parts, titanium dioxide 18 parts, 7 parts, zinc oxide, stearic acid 1 part, PEG4000 3 parts, Zinic stearas 1 part, calcium stearate 2 parts, coupling agent 2 parts, carbon black N550 0.01 part, 4 parts, calcium oxide, MBT-80 1 part, ZDBC-80 2 parts, TDEC-75 0.6 part, AC-75 4 parts, OBSH 4 parts, DTDM 2 parts, S-80 1 part.
Preparation technology: by EPDM K4903 rubber, White Carbon black, tripoli, white oil, titanium dioxide, zinc oxide, stearic acid, PEG4000, Zinic stearas, calcium stearate, coupling agent, carbon black N550, calcium oxide, MBT-80, ZDBC-80, TDEC-75, AC-75, OBSH, DTDM, S-80 are mixing makes one section of glue, dump temperature is 130 ~ 140 DEG C, and slice cooling parks more than 12 hours; Will draw thin-pass after two-stage mixing 3 times, shaping is parked after 8 hours and is used.
It should be noted that, the expressing technique described in embodiment 1-5 is: select 90 forcing machines, head temperature 40 ~ 50 DEG C, extruded velocity 8 ~ 12m/min, curing temperature 230 ~ 250 DEG C, microwave power 1 ~ 2KW.
the performance test of embodiment 6 the present invention EPDM platinum sponge used for automobile air conditioning bar
This test is divided into 5 groups, wherein test group 3 groups, control group 2 groups.
Test group 1 adopts the EPDM platinum sponge bar prepared by embodiment 1; Test group 2 adopts the EPDM platinum sponge bar prepared by embodiment 3; Test group 3 adopts the EPDM platinum sponge bar prepared by embodiment 5.
Control group 1: the formula of control group 1 and preparation technology are with embodiment 1, and difference is only that the EPDM rubber used is EPDM K4703.
Control group 2: the formula of control group 2 and preparation technology are with embodiment 5, and difference is only that the EPDM rubber used is EPDM K2340A.
Distinguish the expansion density of testing experiment group 1,2,3 and control group 1,2, tensile strength, elongation and pressure to become, test result is in table 1.
The performance test results of table 1 EPDM platinum sponge bar
As shown in Table 1, the properties of test group 1,2,3 all meets standard-required, and the tensile strength of sponge strip of the present invention and elongation are all better than control group.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (3)
1. the application of an EPDM platinum sponge bar in automative air conditioning, it is characterized in that, described EPDM platinum sponge bar is made up of the material of following weight part: EPDM K4903 rubber 100 parts, White Carbon black 20 ~ 30 parts, tripoli 80 ~ 100 parts, white oil 70 ~ 90 parts, titanium dioxide 15 ~ 20 parts, 5 ~ 8 parts, zinc oxide, stearic acid 1 ~ 2 part, PEG4000 2 ~ 4 parts, dispersion agent 2 ~ 3 parts, coupling agent 1 ~ 3 part, carbon black N550 0.01 part, 3 ~ 5 parts, calcium oxide, MBT-80 1 ~ 2 part, ZDBC-80 1 ~ 2 part, TDEC-75 0.5 ~ 0.8 part, AC-75 3 ~ 5 parts, OBSH 3 ~ 5 parts, DTDM 1 ~ 2 part, S-80 1 ~ 2 part.
2. application according to claim 1, is characterized in that, described EPDM platinum sponge bar is made up of the material of following weight part: EPDM K4903 rubber 100 parts, White Carbon black 25 parts, tripoli 90 parts, white oil 80 parts, titanium dioxide 18 parts, 7 parts, zinc oxide, stearic acid 1 part, PEG4000 3 parts, dispersion agent 3 parts, coupling agent 2 parts, carbon black N550 0.01 part, 4 parts, calcium oxide, MBT-80 1 part, ZDBC-80 2 parts, TDEC-75 0.6 part, AC-75 4 parts, OBSH 4 parts, DTDM 2 parts, S-80 1 part.
3. the application described in claim 1 or 2, is characterized in that, described dispersion agent is higher fatty acid salt mixture, and described higher fatty acid salt mixture is made up of Zinic stearas and calcium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487546.4A CN104262798B (en) | 2014-09-23 | 2014-09-23 | The application in air conditioning for automobiles of a kind of EPDM platinum sponge bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487546.4A CN104262798B (en) | 2014-09-23 | 2014-09-23 | The application in air conditioning for automobiles of a kind of EPDM platinum sponge bar |
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| Publication Number | Publication Date |
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| CN104262798A true CN104262798A (en) | 2015-01-07 |
| CN104262798B CN104262798B (en) | 2016-07-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861314A (en) * | 2015-06-12 | 2015-08-26 | 衡水中铁建工程橡胶有限责任公司 | Microporous rubber base plate and preparation process thereof |
| CN105419123A (en) * | 2015-12-23 | 2016-03-23 | 芜湖馨源海绵有限公司 | Vehicle air outlet rubber sponge and preparation method thereof |
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| CN102002194A (en) * | 2010-12-02 | 2011-04-06 | 天津鹏翎胶管股份有限公司 | Ethylene-Propylene-Diene Monomer (DPDM) rubber composition |
| CN102660082A (en) * | 2012-04-13 | 2012-09-12 | 宁国中奕橡塑有限公司 | Oil resistant shockproof ring for air-conditioning motor |
| CN102993575A (en) * | 2012-12-04 | 2013-03-27 | 天津鹏翎胶管股份有限公司 | Ethylene propylene diene monomer (EPDM) composition for low-hardness glue injection |
| CN103029255A (en) * | 2012-12-06 | 2013-04-10 | 天津鹏翎胶管股份有限公司 | Preparation methods of ethylene-propylene-terpolymer-molded sponge rubber and special-shaped sponge sheath |
| CN103849073A (en) * | 2014-02-28 | 2014-06-11 | 徐州工业职业技术学院 | EPDM (Ethylene-Propylene-Diene Monomer) sponge material with high foaming ratio and preparation process thereof |
| CN103910944A (en) * | 2014-04-10 | 2014-07-09 | 扬中市宏辉橡胶制品有限公司 | Rubber fastener for automobile air conditioner pipe and manufacturing method of rubber fastener |
-
2014
- 2014-09-23 CN CN201410487546.4A patent/CN104262798B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002194A (en) * | 2010-12-02 | 2011-04-06 | 天津鹏翎胶管股份有限公司 | Ethylene-Propylene-Diene Monomer (DPDM) rubber composition |
| CN102660082A (en) * | 2012-04-13 | 2012-09-12 | 宁国中奕橡塑有限公司 | Oil resistant shockproof ring for air-conditioning motor |
| CN102993575A (en) * | 2012-12-04 | 2013-03-27 | 天津鹏翎胶管股份有限公司 | Ethylene propylene diene monomer (EPDM) composition for low-hardness glue injection |
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| CN103910944A (en) * | 2014-04-10 | 2014-07-09 | 扬中市宏辉橡胶制品有限公司 | Rubber fastener for automobile air conditioner pipe and manufacturing method of rubber fastener |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861314A (en) * | 2015-06-12 | 2015-08-26 | 衡水中铁建工程橡胶有限责任公司 | Microporous rubber base plate and preparation process thereof |
| CN105419123A (en) * | 2015-12-23 | 2016-03-23 | 芜湖馨源海绵有限公司 | Vehicle air outlet rubber sponge and preparation method thereof |
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| Publication number | Publication date |
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| CN104262798B (en) | 2016-07-27 |
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Effective date of registration: 20170509 Address after: Fengxian District Jinhui town Kim highway 201403 Shanghai No. 8029 building 6 No. 1 workshop Co-patentee after: Granary Rong Nan sealing member Science and Technology Ltd. Patentee after: Shanghai Rong Nan Technology Co., Ltd. Co-patentee after: Wuhan Yinan Plastics Technology Co Ltd Address before: 215412 Jiangsu city of Suzhou province Taicang City Lu Du Zhen Fei Hu Lu Lianda Industrial Zone No. 11 Patentee before: Granary Rong Nan sealing member Science and Technology Ltd. |
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Effective date of registration: 20170808 Address after: 430000 Chang Fu demonstration park, Caidian District, Hubei City, Wuhan Province, south of Chang Lu Road Patentee after: Wuhan Yinan Plastics Technology Co Ltd Address before: Fengxian District Jinhui town Kim highway 201403 Shanghai No. 8029 building 6 No. 1 workshop Co-patentee before: Granary Rong Nan sealing member Science and Technology Ltd. Patentee before: Shanghai Rong Nan Technology Co., Ltd. Co-patentee before: Wuhan Yinan Plastics Technology Co Ltd |
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