CN105111594A - High-tear-resistance rubber - Google Patents
High-tear-resistance rubber Download PDFInfo
- Publication number
- CN105111594A CN105111594A CN201510527859.2A CN201510527859A CN105111594A CN 105111594 A CN105111594 A CN 105111594A CN 201510527859 A CN201510527859 A CN 201510527859A CN 105111594 A CN105111594 A CN 105111594A
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- Prior art keywords
- parts
- rubber
- carbon black
- tear
- terpolymer
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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
-
- 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
- C08L2203/16—Applications used for films
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-tear-resistance rubber which comprises the following components in parts by mass: 95-110 parts of ethylene propylene diene monomer rubber, 60-90 parts of carbon black, 5-15 parts of silicon dioxide, 2.5-4.5 parts of 3-aminopropyltriethoxy silane, 30-60 parts of paraffin oil, 5-12 parts of zinc oxide, 0.5-2 parts of stearic acid, 0.5-1.5 parts of sulfur, 1.2-3.2 parts of zinc di-n-butyl dithiocarbamate, 2.0-4.0 parts of microcrystalline wax and 1.2-2.5 parts of N-cyclohexyl-2-benzothiazole sulfenamide. The high-tear-resistance rubber disclosed by the invention obviously enhances the tear strength of the rubber product, and especially greatly enhances the hot tear strength.
Description
Technical field
The present invention relates to rubber processing techniques field, be specifically related to a kind of high tear rubber.
Technical background
Rubber is elastomeric
macromolecular compound.Be divided into natural rubber with
synthetic rubbertwo kinds.Natural rubber from the plant such as rubber tree, russian dandelion, extracts colloid post-treatment make; Synthetic rubber is then obtained through polyreaction by various monomer.Rubber item is widely used in industry or life each side.In prior art, tear resistance under the high temperature of usual rubber is poor, for the goods of complex structure, thinner thickness, be easy to product to tear when sulfuration depanning, a kind of silica modified ethylene-propylene rubber(EPR) of this project invention, increase substantially the hot tear crack performance of rubber product, significantly improve job efficiency.
Summary of the invention
The object of the present invention is to provide a kind of high tear rubber, the goods such as the corrugated tube made of this rubber, diaphragm, special-shaped circle, hot tear crack performance improves, and job efficiency rises.
To achieve these goals, the technical scheme that the present invention proposes is:
A kind of high tear rubber, comprises the component of following mass fraction:
Terpolymer EP rubber 95 ~ 105 parts,
Carbon black 60 ~ 90 parts,
Silicon-dioxide 5 ~ 15 parts,
3-aminopropyl triethoxysilane 2.5 ~ 4.5 parts,
Paraffin oil 30 ~ 60 parts,
5 ~ 12 parts, zinc oxide,
0.5 ~ 1.5 part, sulphur,
Zinc dibutyl dithiocaarbamate 1.2 ~ 3.2 parts,
Microcrystalline wax 2.0 ~ 4.0 parts,
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.2 ~ 2.5 parts.
Further improvement is, described mass fraction is preferably as follows:
Terpolymer EP rubber 100 parts,
Carbon black 70 parts,
Silica 15 parts,
3-aminopropyl triethoxysilane 3.0 parts,
Paraffin oil 30 parts,
7 parts, zinc oxide,
0.6 part, sulphur,
Zinc dibutyl dithiocaarbamate 1.5 parts,
Microcrystalline wax 2.5 parts,
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.0 parts.
Further improvement is, the preparation method of described rubber is as follows: by blended at Banbury mixer to the terpolymer EP rubber of above-mentioned mass fraction, carbon black, softening agent, anti-aging agent, vulcanizing agent etc., rubber, carbon black etc. first in Banbury mixer mixing 40 seconds, after add silicon-dioxide 3-aminopropyl triethoxysilane, softening agent is added after 30 seconds, clean when 90 DEG C, vulcanizing agent is added when 105 DEG C, 115 DEG C, Banbury mixer discharged by sizing material, on a mill until after thin-pass 3 times, super low-temperature resistant ozone-resistant rubbber rubber unvulcanizate can be obtained.
Beneficial effect of the present invention: high tear rubber provided by the present invention, the corrugated tube made of this rubber, the thin goods such as film, hot tear crack performance increases substantially, and job efficiency significantly improves.
Embodiment
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with subordinate list and embodiment, this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment one
The high tear rubber that the present embodiment provides, comprises the component of following mass fraction:
Terpolymer EP rubber 95 parts,
Carbon black 60 parts
Silicon-dioxide 5 parts
3-aminopropyl triethoxysilane 2.5 parts
Paraffin oil 30 parts
5 parts, zinc oxide
0.5 part, sulphur
Zinc dibutyl dithiocaarbamate 1.2 parts
Microcrystalline wax 2.0 parts
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.2 parts.
By blended at Banbury mixer to the terpolymer EP rubber of above-mentioned mass fraction, carbon black, softening agent, anti-aging agent, vulcanizing agent etc., rubber, carbon black etc. first in Banbury mixer mixing 40 seconds, after add silicon-dioxide 3-aminopropyl triethoxysilane, add softening agent after 30 seconds, clean when 90 DEG C, when 105 DEG C, add vulcanizing agent, 115 DEG C, Banbury mixer discharged by sizing material, on a mill until after thin-pass 3 times, can obtain super low-temperature resistant ozone-resistant rubbber rubber unvulcanizate.
Embodiment two
The high tear corrugated tube material that the present embodiment provides, comprises the component of following mass fraction:
Terpolymer EP rubber 100 parts,
Carbon black 70 parts
Silica 15 parts
3-aminopropyl triethoxysilane 3.0 parts
Paraffin oil 30 parts
7 parts, zinc oxide
0.6 part, sulphur
Zinc dibutyl dithiocaarbamate 1.5 parts
Microcrystalline wax 2.5 parts
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.0 parts
Compounding process is with embodiment one.
Embodiment three
The high tear hull rubber material that the present embodiment provides, comprises the component of following mass fraction:
Terpolymer EP rubber 105 parts,
Carbon black 90 parts
Silica 15 parts
3-aminopropyl triethoxysilane 4.5 parts
Paraffin oil 60 parts
12 parts, zinc oxide
1.5 parts, sulphur
Zinc dibutyl dithiocaarbamate 3.2 parts
Microcrystalline wax 4.0 parts
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 2.5 parts
Compounding process is with embodiment one.
The elastomeric material tear strength test result that above-described embodiment provides is as shown in table 1:
Table 1
Known by above-mentioned experimental data, the tear resistance of embodiment one to three is obviously better than comparative example, wherein optimum with the tear-resistant strength property of embodiment two.
Claims (3)
1. a high tear rubber, is characterized in that, comprises the component of following mass fraction:
Terpolymer EP rubber 95 ~ 105 parts,
Carbon black 60 ~ 90 parts,
Silicon-dioxide 5 ~ 15 parts,
3-aminopropyl triethoxysilane 2.5 ~ 4.5 parts,
Paraffin oil 30 ~ 60 parts,
5 ~ 12 parts, zinc oxide,
0.5 ~ 1.5 part, sulphur,
Zinc dibutyl dithiocaarbamate 1.2 ~ 3.2 parts,
Microcrystalline wax 2.0 ~ 4.0 parts,
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.2 ~ 2.5 parts.
2. a kind of high tear rubber according to claim 1, it is characterized in that, described mass fraction is preferably as follows:
Terpolymer EP rubber 100 parts,
Carbon black 70 parts,
Silica 15 parts,
3-aminopropyl triethoxysilane 3.0 parts,
Paraffin oil 30 parts,
7 parts, zinc oxide,
0.6 part, sulphur,
Zinc dibutyl dithiocaarbamate 1.5 parts,
Microcrystalline wax 2.5 parts,
N-cyclohexyl-2-[4-morpholinodithio sulphenamide 1.0 parts.
3. a kind of high tear rubber according to claim 1 and 2, it is characterized in that, the preparation method of described rubber is as follows: by blended at Banbury mixer to the terpolymer EP rubber of above-mentioned mass fraction, carbon black, softening agent, anti-aging agent, vulcanizing agent etc., rubber, carbon black etc. first in Banbury mixer mixing 40 seconds, after add silicon-dioxide 3-aminopropyl triethoxysilane, softening agent is added after 30 seconds, clean when 90 DEG C, vulcanizing agent is added when 105 DEG C, 115 DEG C, Banbury mixer discharged by sizing material, on a mill until after thin-pass 3 times, can obtain super low-temperature resistant ozone-resistant rubbber rubber unvulcanizate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527859.2A CN105111594A (en) | 2015-08-24 | 2015-08-24 | High-tear-resistance rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527859.2A CN105111594A (en) | 2015-08-24 | 2015-08-24 | High-tear-resistance rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105111594A true CN105111594A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510527859.2A Pending CN105111594A (en) | 2015-08-24 | 2015-08-24 | High-tear-resistance rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854314A (en) * | 2016-11-29 | 2017-06-16 | 芜湖集拓橡胶技术有限公司 | A kind of eco-friendly car pedal rubber blanket formula |
-
2015
- 2015-08-24 CN CN201510527859.2A patent/CN105111594A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854314A (en) * | 2016-11-29 | 2017-06-16 | 芜湖集拓橡胶技术有限公司 | A kind of eco-friendly car pedal rubber blanket formula |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20151202 |