CN114133673A - Preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber - Google Patents
Preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber Download PDFInfo
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- CN114133673A CN114133673A CN202111529875.7A CN202111529875A CN114133673A CN 114133673 A CN114133673 A CN 114133673A CN 202111529875 A CN202111529875 A CN 202111529875A CN 114133673 A CN114133673 A CN 114133673A
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- chlorosulfonated polyethylene
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- 229920002681 hypalon Polymers 0.000 title claims abstract description 32
- 229920001971 elastomer Polymers 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 16
- 239000010692 aromatic oil Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 10
- 239000006232 furnace black Substances 0.000 claims abstract description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008117 stearic acid Substances 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 4
- 239000000314 lubricant Substances 0.000 claims abstract description 4
- 239000004014 plasticizer Substances 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- -1 dioctyl ester Chemical class 0.000 claims description 12
- 244000043261 Hevea brasiliensis Species 0.000 claims description 10
- 229920003052 natural elastomer Polymers 0.000 claims description 10
- 229920001194 natural rubber Polymers 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- IPJGAEWUPXWFPL-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC(N2C(C=CC2=O)=O)=C1 IPJGAEWUPXWFPL-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- FLVIGYVXZHLUHP-UHFFFAOYSA-N N,N'-diethylthiourea Chemical compound CCNC(=S)NCC FLVIGYVXZHLUHP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- 229940037312 stearamide Drugs 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/32—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur
- C08L23/34—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur by chlorosulfonation
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
Landscapes
- Chemical & Material Sciences (AREA)
- General 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 preparation method of low temperature resistant chlorosulfonated polyethylene rubber; the composition comprises the following components in parts by weight: comprises raw materials of a vulcanizing agent, a reinforcing agent, a filler, a plasticizer, a lubricant, an anti-aging agent, an accelerator and a dispersant; according to the preparation method of the low temperature resistant chlorosulfonated polyethylene rubber, silica, fast extrusion furnace black and 3 high aromatic oil assistants are matched, so that the temperature of the rubber converted into a glass state at a low temperature is reduced, and the high aromatic oil can reduce the phenomena of scorching and roller sticking after stearic acid is heated.
Description
Technical Field
The invention belongs to the technical field of chlorosulfonated polyethylene rubber preparation, and particularly relates to a preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber.
Background
Chlorosulfonated polyethylene rubber has excellent ultraviolet resistance and ozone resistance, and also has excellent thermal aging resistance, physical and mechanical properties and processability, but the rubber has the main defect of poor low-temperature performance, so that the application of the chlorosulfonated polyethylene rubber in the market is limited, and the chlorosulfonated polyethylene rubber can only be used in static applications such as rubber tubes, wires and cables and the like. The low temperature resistant chlorosulfonated polyethylene rubber has wide market application prospect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber, which adopts silica, fast extrusion furnace black and 3 high aromatic oil assistants to be matched, so that the temperature of the rubber converted into a glass state at a low temperature is reduced, and the high aromatic oil can reduce the phenomena of scorching and roller sticking after stearic acid is heated.
A preparation method of low temperature resistant chlorosulfonated polyethylene rubber; the composition comprises the following components in parts by weight: comprises that
Raw materials: 80-100 parts of chlorosulfonated polyethylene and 20-30 parts of natural rubber;
vulcanizing agent: 5-20 parts of magnesium oxide, 0.5-1 part of sulfur and 1-3 parts of dicumyl peroxide;
reinforcing agent: quickly extruding 30-40 parts of furnace black;
filling agent: 5-15 parts of silica and 5-10 parts of white carbon black;
plasticizer: 10-20 parts of chlorinated paraffin, 2-3 parts of stearic acid and 10-30 parts of dioctyl ester;
lubricant: 5-10 parts of high aromatic oil and 1-2 parts of low molecular weight polyethylene;
an anti-aging agent: 2-2 parts of an anti-aging agent RD1 and 2-2 parts of an anti-aging agent AW 1;
accelerator (b): promoter BZ1-2 parts, promoter DETU1-2 parts and promoter HVA1-2 parts;
dispersing agent: 0.5-1 part of ethylene bis stearamide;
a preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber; the method comprises the following steps:
step 1: weighing chlorosulfonated polyethylene, silica, ethylene-based bis stearamide, fast extrusion furnace black, dioctyl ester, chlorinated paraffin and an accelerant DETU according to the proportion, and feeding the materials into an open mill for mixing.
Step 2: weighing natural rubber, magnesium oxide, an anti-aging agent RD, an anti-aging agent AW, high aromatic oil, low molecular weight polyethylene, stearic acid, white carbon black, an accelerator BZ and an accelerator HVA-2, and feeding the materials into an internal mixer for mixing.
And step 3: and (3) adding dicumyl peroxide, sulfur, the mixture obtained in the step (1) and the mixture obtained in the step (2) into an open mill for mixing.
And 4, step 4: and (4) banburying the mixture obtained in the step (3) and then vulcanizing and splitting.
Further, in the step 1, the open milling is carried out for 4-10 min at the temperature of 75-85 ℃.
Further, in the step 2, the natural rubber is subjected to rapid mixing in advance, and then the rest materials in the step 2 are put into the mixer for banburying, wherein the banburying is to mix for 10-20 min at 65-80 ℃.
Further, in the step 3, multi-stage mixing is performed, wherein the open mixing is performed at the temperature of 100 ℃ and 115 ℃ for 8-15 min.
Further, cooling the banburied material in the step 4 to 75-80 ℃ and then vulcanizing.
Further, the sulfur content of the mixture is measured after the step 3 is completed, and when the measured value is too high, the mixture can be neutralized by adding magnesium oxide again.
Has the advantages that:
(1) according to the preparation method of the low temperature resistant chlorosulfonated polyethylene rubber, silica, fast extrusion furnace black and 3 high aromatic oil assistants are matched, so that the temperature of the rubber converted into a glass state at a low temperature is reduced, and the high aromatic oil can reduce the phenomena of scorching and roller sticking after stearic acid is heated.
(2) According to the preparation method of the low-temperature-resistant chlorosulfonated polyethylene rubber, the two components are arranged for rapid mixing processing, so that the subsequent mixing is rapidly extruded out of furnace black for rapid mixing and dispersion, and meanwhile, the mixing time of vulcanizing agents is shortened, so that the mixing effect is improved.
(3) The preparation method of the low temperature resistant chlorosulfonated polyethylene rubber provided by the invention reduces the process flow by changing the process flow.
Detailed Description
Examples of the present invention are further illustrated below with reference to experiments 1 to 5.
Example 1
A preparation method of low temperature resistant chlorosulfonated polyethylene rubber; the composition comprises the following components in parts by weight: comprises that
Raw materials: 80-100 parts of chlorosulfonated polyethylene and 20-30 parts of natural rubber;
vulcanizing agent: 5-20 parts of magnesium oxide, 0.5-1 part of sulfur and 1-3 parts of dicumyl peroxide;
reinforcing agent: quickly extruding 30-40 parts of furnace black;
filling agent: 5-15 parts of silica and 5-10 parts of white carbon black;
plasticizer: 10-20 parts of chlorinated paraffin, 2-3 parts of stearic acid and 10-30 parts of dioctyl ester;
lubricant: 5-10 parts of high aromatic oil and 1-2 parts of low molecular weight polyethylene;
an anti-aging agent: 2-2 parts of an anti-aging agent RD1 and 2-2 parts of an anti-aging agent AW 1;
accelerator (b): promoter BZ1-2 parts, promoter DETU1-2 parts and promoter HVA1-2 parts;
dispersing agent: 0.5-1 part of ethylene bis stearamide;
a preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber; the method comprises the following steps:
step 1: weighing chlorosulfonated polyethylene, silica, ethylene-based bis stearamide, fast extrusion furnace black, dioctyl ester, chlorinated paraffin and an accelerant DETU according to the proportion, and feeding the materials into an open mill for mixing; open milling is mixing and milling for 4-10 min at 75-85 ℃; a part of materials are pre-mixed, so that the phenomenon that the materials are mixed at the same time and are uneven is avoided.
Step 2: weighing natural rubber, magnesium oxide, an anti-aging agent RD, an anti-aging agent AW, high aromatic oil, low molecular weight polyethylene, stearic acid, white carbon black, an accelerator BZ and an accelerator HVA-2, and feeding the materials into an internal mixer for mixing; pre-mixing natural rubber at a high speed, and then adding the rest materials in the step 2 for banburying, wherein banburying is mixing at 65-80 ℃ for 10-20 min; reduces the phenomena of scorching and roller sticking of stearic acid.
And step 3: adding dicumyl peroxide, sulfur, the mixture obtained in the step 1 and the mixture obtained in the step 2 into an open mill for mixing; performing multi-stage mixing, wherein open mixing is mixing for 8-15 min at 100-; improving the dispersion speed and effect of the vulcanizing agent; after step 3 is completed, the sulfur content of the mixture is measured, and when the measured value is too high, the mixture can be neutralized by adding magnesium oxide again.
And 4, step 4: banburying the mixture obtained in the step 3, and then vulcanizing and splitting; cooling the banburied material in the step 4 to 75-80 ℃ and then vulcanizing; the vulcanizing agent is dispersed more thoroughly after banburying, and the quality of the vulcanized rubber is improved.
Partial materials are mixed separately in the steps 1 and 2, so that the powder materials can be dispersed rapidly, the speed of mixing chlorosulfonated polyethylene is increased, and the roller scorching and roller sticking phenomena can be avoided in advance, so that the scorching and roller sticking phenomena after the materials obtained in the steps 1 and 2 are mixed are reduced, and the phenomenon that scorching and roller sticking easily occur during simultaneous feeding is avoided; the conditions that multiple times of milling, banburying and multi-section mixing are needed in the process of simplifying mixing are achieved, the mixing time is shortened, the problem that the product quality is reduced after a vulcanization process due to uneven mixing easily occurs in centralized mixing is reduced, the mixing quality can be controlled while the mixing is accelerated by separating mixing, the mixing degree of vulcanizing agents is controlled during the process of milling before the vulcanization process, and the effect of improving the vulcanized rubber is achieved.
Experimental data 1:
experimental data 2:
experimental data 3:
experimental data 4:
experimental data 5:
the hardness, elastic modulus and RP0.2 of the above data were measured at room temperature.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (6)
1. A preparation method of low temperature resistant chlorosulfonated polyethylene rubber; the method is characterized in that: the composition comprises the following components in parts by weight: comprises that
Raw materials: 80-100 parts of chlorosulfonated polyethylene and 20-30 parts of natural rubber;
vulcanizing agent: 5-20 parts of magnesium oxide, 0.5-1 part of sulfur and 1-3 parts of dicumyl peroxide;
reinforcing agent: quickly extruding 30-40 parts of furnace black;
filling agent: 5-15 parts of silica and 5-10 parts of white carbon black;
plasticizer: 10-20 parts of chlorinated paraffin, 2-3 parts of stearic acid and 10-30 parts of dioctyl ester;
lubricant: 5-10 parts of high aromatic oil and 1-2 parts of low molecular weight polyethylene;
an anti-aging agent: 2-2 parts of an anti-aging agent RD1 and 2-2 parts of an anti-aging agent AW 1;
accelerator (b): promoter BZ1-2 parts, promoter DETU1-2 parts and promoter HVA1-2 parts;
dispersing agent: 0.5-1 part of ethylene bis stearamide;
a preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber; the method comprises the following steps:
step (1): weighing chlorosulfonated polyethylene, silica, ethylene-based bis stearamide, fast extrusion furnace black, dioctyl ester, chlorinated paraffin and an accelerant DETU according to the proportion, and feeding the materials into an open mill for mixing;
step (2): weighing natural rubber, magnesium oxide, an anti-aging agent RD, an anti-aging agent AW, high aromatic oil, low molecular weight polyethylene, stearic acid, white carbon black, an accelerator BZ and an accelerator HVA-2, and feeding the materials into an internal mixer for mixing;
and (3): adding dicumyl peroxide, sulfur, the mixture obtained in the step 1 and the mixture obtained in the step 2 into an open mill for mixing;
and (4): and (4) banburying the mixture obtained in the step (3) and then vulcanizing and splitting.
2. The preparation method of the low temperature resistant chlorosulfonated polyethylene rubber according to claim 1; the method is characterized in that: in the step 1, the open mixing is carried out for 4-10 min at the temperature of 75-85 ℃.
3. The preparation method of the low temperature resistant chlorosulfonated polyethylene rubber according to claim 2; the method is characterized in that: in the step 2, the natural rubber is subjected to rapid mixing in advance, and then the rest materials in the step 2 are put into the mixer for banburying, wherein the banburying is to mix for 10-20 min at 65-80 ℃.
4. The preparation method of the low temperature resistant chlorosulfonated polyethylene rubber according to claim 2; the method is characterized in that: in the step 2, the natural rubber is subjected to rapid mixing in advance, and then the rest materials in the step 2 are put into the mixer for banburying, wherein the banburying is to mix for 10-20 min at 65-80 ℃.
5. The preparation method of the low temperature resistant chlorosulfonated polyethylene rubber according to claim 4; the method is characterized in that: and (4) cooling the banburied material in the step (4) to 75-80 ℃ and then vulcanizing.
6. The method for preparing the low temperature resistant chlorosulfonated polyethylene rubber according to claim 1 or 5; the method is characterized in that: after the step 3 is finished, the sulfur content of the mixture is measured, and when the measured value is too high, the mixture can be neutralized by adding magnesium oxide again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111529875.7A CN114133673A (en) | 2021-12-15 | 2021-12-15 | Preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111529875.7A CN114133673A (en) | 2021-12-15 | 2021-12-15 | Preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber |
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| CN114133673A true CN114133673A (en) | 2022-03-04 |
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| CN202111529875.7A Pending CN114133673A (en) | 2021-12-15 | 2021-12-15 | Preparation method of low-temperature-resistant chlorosulfonated polyethylene rubber |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331986A (en) * | 2004-07-28 | 2004-11-25 | Tosoh Corp | CHLOROSULFONATED ETHYLENE/alpha-OLEFIN COPOLYMER COMPOSITION AND BOOT FOR JOINT USING THIS COPOLYMER COMPOSITION |
| CN103819828A (en) * | 2014-03-11 | 2014-05-28 | 浙江久运车辆部件有限公司 | Chlorosulfonated polyethylene rubber material and preparing method thereof for hydraulic oil pipe of harvester |
| CN105273263A (en) * | 2014-05-29 | 2016-01-27 | 天长市远洋船舶设备有限公司 | Cargo ship chlorosulfonated polyethylene rubber material and preparation method thereof |
| CN107418073A (en) * | 2017-04-06 | 2017-12-01 | 江西虹润化工有限公司 | A kind of preparation method of low temperature resistant CSM |
-
2021
- 2021-12-15 CN CN202111529875.7A patent/CN114133673A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331986A (en) * | 2004-07-28 | 2004-11-25 | Tosoh Corp | CHLOROSULFONATED ETHYLENE/alpha-OLEFIN COPOLYMER COMPOSITION AND BOOT FOR JOINT USING THIS COPOLYMER COMPOSITION |
| CN103819828A (en) * | 2014-03-11 | 2014-05-28 | 浙江久运车辆部件有限公司 | Chlorosulfonated polyethylene rubber material and preparing method thereof for hydraulic oil pipe of harvester |
| CN105273263A (en) * | 2014-05-29 | 2016-01-27 | 天长市远洋船舶设备有限公司 | Cargo ship chlorosulfonated polyethylene rubber material and preparation method thereof |
| CN107418073A (en) * | 2017-04-06 | 2017-12-01 | 江西虹润化工有限公司 | A kind of preparation method of low temperature resistant CSM |
Non-Patent Citations (4)
| Title |
|---|
| 橡胶工业原材料与装备简明手册编审委员会编著: "《橡胶工业原材料与装备简明手册 原材料与工艺耗材分册》", 31 January 2019, 北京理工大学出版社 * |
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