CN107746513A - A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof - Google Patents
A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof Download PDFInfo
- Publication number
- CN107746513A CN107746513A CN201711103447.1A CN201711103447A CN107746513A CN 107746513 A CN107746513 A CN 107746513A CN 201711103447 A CN201711103447 A CN 201711103447A CN 107746513 A CN107746513 A CN 107746513A
- Authority
- CN
- China
- Prior art keywords
- tightness
- air
- epdm
- propylene diene
- carbon black
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof, processing is modified to carbon black with dissaving polymer, it is more using the branch point of dissaving polymer, molecule has the spheroidal cramped construction of class, molecular entanglement is few, the advantages of functional end group is more, it is set to be reacted to each other with hydroxylating carbon black, form hydridization filler, after this modified carbon black filler disperses in sizing material, the limited layer of rubber molecular chain increases, steric hindrance increases, not only improve the mechanical property of elastomeric material, its air-tightness is also significantly improved accordingly, than using sheet, the method that stratiform intercalation filler improves air-tightness is highly efficient convenient, compatibility between each component is higher, obtained elastomeric material intensity is high, air-tightness is good, wearability is stronger, it is more durable in use.
Description
Technical field
The present invention relates to ethylene propylene diene rubber technical field, more particularly to a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and
Its preparation method.
Background technology
Rubber of the ethylene propylene diene rubber (EPDM) as excellent performances such as a kind of good, wear-resisting, heat-resisting, weather-proof, resistance to ozone of elasticity
Glue, it is widely used in automotive rubber products field, such as door and window sealing strip, engine-cooling system, air conditioner refrigerating
Flexible pipe of seal, conveying coolant in system etc..
In recent years, as people are to the pay attention to day by day of the environmental problems such as depletion of the ozone layer, greenhouse effects and new energy development,
The higher refrigerant of effect on environment in air-conditioning refrigeration system also causes the concern of people again.For example, environment friendly refrigerating fluid,
Such as the poly- alkyl ethylene glycol mixture of refrigerant F134a, refrigerant F134a/ and carbon dioxide are just gradually widely used.So
And the use of these refrigerants also proposes higher requirement to the air-tightness of the rubber hose of idle call.
The content of the invention
The defects of present invention is in order to make up prior art, there is provided a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and its preparation
Method.
The present invention is achieved by the following technical solutions：
A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material, include each component of following parts by weight：Ethylene propylene diene rubber 100-
150th, paraffin oil 30-35, dissaving polymer modified carbon black 90-120, precipitated calcium carbonate 10-15, flowable L-242-3, activity
Agent PEG40002-3, zinc oxide 5-8, anti-aging agent RD 1-2, stearic acid 1-2, lubricant CP1.5-3, coumarone 3-5, sulphur S-
801-2, accelerator 4.5-5.5.
A kind of described high-air-tightness ethylene propylene diene monomer (EPDM) material, described accelerator be accelerant B Z, accelerator CBS,
Two or more in altax, diphenylguanidine PTT-70, accelerator TT.
A kind of described high-air-tightness ethylene propylene diene monomer (EPDM) material, described dissaving polymer modified carbon black is by overspending
What fluidized polymer obtained with reaction product of the hydroxylating carbon black in 100-150 DEG C of dicyandiamide solution through washing, after drying, wherein
Dissaving polymer, surface hydroxylation carbon black, the weight ratio of solvent three are 1：(10-100)：(200-500).
A kind of described high-air-tightness ethylene propylene diene monomer (EPDM) material, described dissaving polymer are that hyperbranched poly shrink is sweet
One or more in oily ether, hyper-branched polyester, ultrabranching polyamide.
A kind of described high-air-tightness ethylene propylene diene monomer (EPDM) material, described hydroxylating carbon black are through strong acid carboxylation by carbon black
5-10h is handled, then the carbon blacksurface grafted silane coupling agent after carboxylation, then the carbon black of grafted silane coupling agent is put into alcohol
Hydrolyze, produce in solution.
Described a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material, in the preferred N550 carbon blacks of described carbon black, N770 carbon blacks
One or more.
A kind of described high-air-tightness ethylene propylene diene monomer (EPDM) material, described solvent are DMF, N, N-
One kind in dimethyl acetamide, dimethyl sulfoxide, METHYLPYRROLIDONE.
A kind of preparation method of -7 any described high-air-tightness ethylene propylene diene monomer (EPDM) materials, step are as follows：In mill
It is upper to be added first by ethylene-propylene diene copolymer refining glue bag roller after then remaining components are uniformly mixed, rubber tapping clot after being kneaded uniformly
10-15 times, slice, it is sent into vulcanizing press and carries out sulfidization molding, sulfide stress 5-10MPa, curing temperature 130-150
DEG C, cure time 10-25min, a vulcanizate of gained is then put into 120-150 DEG C of drying box, be incubated cold after 4-8h
But room temperature die sinking is arrived, is produced.
The present invention with dissaving polymer is modified processing to carbon black, using the branch point of dissaving polymer it is more, divide
Son has the advantages of spheroidal cramped construction of class, molecular entanglement is few, functional end group is more, makes it mutual with hydroxylating carbon black
Reaction, hydridization filler being formed, after this modified carbon black filler disperses in sizing material, the limited layer of rubber molecular chain increases,
Steric hindrance increases, and not only improves the mechanical property of elastomeric material, and its air-tightness is also significantly improved accordingly, than
The method for improving air-tightness using sheet, stratiform intercalation filler is highly efficient convenient, and the compatibility between each component is higher, obtained
Elastomeric material intensity is high, air-tightness is good, wearability is stronger, more durable in use.
Embodiment
A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material, include each component of following parts by weight：Ethylene propylene diene rubber 135,
Paraffin oil 32, dissaving polymer modified carbon black 100, precipitated calcium carbonate 12, flowable L-24 2.5, activating agent PEG4000
2.5th, zinc oxide 6, anti-aging agent RD 1.5, stearic acid 1.5, lubricant CP 2.0, coumarone 4, sulphur S-80 1.5, accelerator
5.0。
Wherein accelerator is 1 part of accelerant B Z, 1.5 parts of accelerator CBSs, 2 parts of altaxs, 1.5 parts of diphenylguanidine PTT-
70。
Wherein dissaving polymer modified carbon black is by ultrabranching polyamide and N of the hydroxylating carbon black at 100 DEG C, N- diformazans
What the reaction product in base formamide solvent system obtained through washing, after drying, wherein hyperbranched acid amides, surface hydroxylation charcoal
Black, solvent three weight ratio is 1：10：200, wherein hydroxylating carbon black is that carbon black is handled into 5h through strong acid carboxylation, then in carboxylic
Carbon blacksurface grafted silane coupling agent after change, then will be hydrolyzed in the carbon black input alcoholic solution of grafted silane coupling agent, produce.
Above-mentioned carbon black is N550 carbon blacks and N770 carbon blacks according to 1:1.2 weight forms than compounding.
A kind of preparation method of high-air-tightness ethylene propylene diene monomer (EPDM) material of the embodiment, step are as follows：On a mill
First by ethylene-propylene diene copolymer refining glue bag roller, added after then remaining components are uniformly mixed, rubber tapping clot 10 after being kneaded uniformly
It is secondary, slice, it is sent into vulcanizing press and carries out sulfidization molding, sulfide stress 5MPa, 130 DEG C of curing temperature, cure time
10min, a vulcanizate of gained is then put into 120 DEG C of drying box, is cooled to room temperature die sinking after being incubated 4h, produces.
Obtained material is subjected to properties test by corresponding national standard, experimental data is shown in Table 1：
Table 1
Claims (8)
1. a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material, it is characterised in that include each component of following parts by weight：EPDM
Rubber 100-150, paraffin oil 30-35, dissaving polymer modified carbon black 90-120, precipitated calcium carbonate 10-15, flowable L-
242-3, activating agent PEG40002-3, zinc oxide 5-8, anti-aging agent RD 1-2, stearic acid 1-2, lubricant CP1.5-3, coumarone 3-
5th, sulphur S-801-2, accelerator 4.5-5.5.
2. a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 1, it is characterised in that described accelerator is
Two or more in accelerant B Z, accelerator CBS, altax, diphenylguanidine PTT-70, accelerator TT.
A kind of 3. high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 1, it is characterised in that described hyperbranched poly
Polymer modified carbon black is through water by dissaving polymer and reaction product of the hydroxylating carbon black in 100-150 DEG C of dicyandiamide solution
Wash, dry after obtain, wherein dissaving polymer, surface hydroxylation carbon black, the weight ratio of solvent three are 1：（10-100）：
（200-500）.
A kind of 4. high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 3, it is characterised in that described hyperbranched poly
Compound is the one or more in hyperbranched polyglycidyl ether, hyper-branched polyester, ultrabranching polyamide.
A kind of 5. high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 3, it is characterised in that described hydroxylating charcoal
Black is that carbon black is handled into 5-10h, then the carbon blacksurface grafted silane coupling agent after carboxylation, then will be grafted silicon through strong acid carboxylation
Hydrolyze, produce in the carbon black input alcoholic solution of alkane coupling agent.
6. a kind of high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 5, it is characterised in that described carbon black is preferred
One or more in N550 carbon blacks, N770 carbon blacks.
A kind of 7. high-air-tightness ethylene propylene diene monomer (EPDM) material as claimed in claim 3, it is characterised in that described solvent is N,
One kind in dinethylformamide, DMA, dimethyl sulfoxide, METHYLPYRROLIDONE.
8. a kind of preparation method of high-air-tightness ethylene propylene diene monomer (EPDM) material as described in claim 1-7 is any, its feature exist
In step is as follows：First ethylene-propylene diene copolymer refining glue bag roller is added after then remaining components are uniformly mixed on a mill
Enter, rubber tapping clot 10-15 times, slice, is sent into vulcanizing press and carries out sulfidization molding after being kneaded uniformly, sulfide stress 5-
10MPa, 130-150 DEG C of curing temperature, cure time 10-25min, a vulcanizate of gained is then put into 120-150 DEG C
Drying box, be incubated 4-8h after be cooled to room temperature die sinking, produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103447.1A CN107746513A (en) | 2017-11-10 | 2017-11-10 | A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103447.1A CN107746513A (en) | 2017-11-10 | 2017-11-10 | A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107746513A true CN107746513A (en) | 2018-03-02 |
Family
ID=61251152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711103447.1A Pending CN107746513A (en) | 2017-11-10 | 2017-11-10 | A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107746513A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206677A (en) * | 2018-09-04 | 2019-01-15 | 济南大学 | A kind of dissaving polymer modified carbon black surface and its application in rubber processing |
| CN115124842A (en) * | 2022-07-15 | 2022-09-30 | 东莞市润银实业有限公司 | Storage-resistant silicone rubber used at wide temperature and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147038A (en) * | 2015-04-28 | 2016-11-23 | 安徽华润仪表线缆有限公司 | A kind of ethylene propylene diene rubber corrugated tube material and preparation method thereof |
| CN107033632A (en) * | 2017-04-20 | 2017-08-11 | 安徽春辉仪表线缆集团有限公司 | A kind of hyper-branched polyester functional graft carbon black conductive filler and preparation method thereof |
-
2017
- 2017-11-10 CN CN201711103447.1A patent/CN107746513A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147038A (en) * | 2015-04-28 | 2016-11-23 | 安徽华润仪表线缆有限公司 | A kind of ethylene propylene diene rubber corrugated tube material and preparation method thereof |
| CN107033632A (en) * | 2017-04-20 | 2017-08-11 | 安徽春辉仪表线缆集团有限公司 | A kind of hyper-branched polyester functional graft carbon black conductive filler and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206677A (en) * | 2018-09-04 | 2019-01-15 | 济南大学 | A kind of dissaving polymer modified carbon black surface and its application in rubber processing |
| CN109206677B (en) * | 2018-09-04 | 2020-09-11 | 济南大学 | Hyperbranched polymer modified carbon black surface and application thereof in rubber processing |
| CN115124842A (en) * | 2022-07-15 | 2022-09-30 | 东莞市润银实业有限公司 | Storage-resistant silicone rubber used at wide temperature and preparation method thereof |
| CN115124842B (en) * | 2022-07-15 | 2023-10-17 | 东莞市润银实业有限公司 | Wide-temperature-range storage-resistant silicone rubber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5200134B2 (en) | Rubber composition for tread and pneumatic tire | |
| CN108641150B (en) | Rubber material capable of being repeatedly processed and preparation method thereof | |
| WO2012176538A1 (en) | Rubber composition for tire insulations and tire using same | |
| JP2006328193A (en) | Rubber composition for inner liner | |
| CN104558708A (en) | Multifunctional rubber vulcanized rubber containing polyvinylpyrrolidone modified graphene oxide and preparation method thereof | |
| JP6863527B2 (en) | Rubber composition for studless tires and studless tires using it | |
| JP2009079194A (en) | Method for producing rubber composition and pneumatic tire | |
| JP2018524417A (en) | Silica / poly (itaconate-isoprene-glycidyl methacrylate) bio-based elastomer composite that does not require silane coupling and method for preparing the same | |
| CN107746513A (en) | A kind of high-air-tightness ethylene propylene diene monomer (EPDM) material and preparation method thereof | |
| JP2018035250A (en) | Manufacturing method of natural rubber-white filler composite and tire | |
| JP6484145B2 (en) | Rubber composition manufacturing method and tire manufacturing method | |
| JP2019099700A (en) | Rubber composition for tire outer layer, and pneumatic tire | |
| JP4426331B2 (en) | Rubber composition for tire and pneumatic tire | |
| JP2013071938A (en) | Rubber composition for tire and pneumatic tire | |
| JP5144032B2 (en) | Rubber composition for sidewall | |
| CN105237894A (en) | Formula of ethylene propylene diene monomer rubber for rubber layer in rubber tube of air conditioner | |
| JP2008189846A (en) | Rubber composition for tire tread | |
| CN106987058A (en) | A kind of compressor air-breathing bellows and its processing method | |
| JP5760296B2 (en) | Improved polybutadiene rubber composition | |
| CN103951924A (en) | Itaconate based bioengineering rubber damping material and preparation method thereof | |
| JP5214888B2 (en) | Pneumatic tire | |
| CN112876778A (en) | Water gate rubber sealing element with high weather resistance and preparation method thereof | |
| CN109796638A (en) | Rubber composition for tire and pneumatic tire | |
| CN115141433B (en) | Environment-friendly sealing element and preparation method thereof | |
| CN105622817B (en) | The method that body in-situ polymerization prepares EVA/ graphene composite materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180302 |
|
| RJ01 | Rejection of invention patent application after publication |