CN104277250A - Preparation process of rubber material for seal ring of automobile - Google Patents
Preparation process of rubber material for seal ring of automobile Download PDFInfo
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- CN104277250A CN104277250A CN201410226732.2A CN201410226732A CN104277250A CN 104277250 A CN104277250 A CN 104277250A CN 201410226732 A CN201410226732 A CN 201410226732A CN 104277250 A CN104277250 A CN 104277250A
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- rubber
- elastomeric material
- agent
- sealed circle
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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
- C08L7/00—Compositions of natural rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- C08K2201/011—Nanostructured additives
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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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation process of a rubber material for a seal ring of an automobile. The preparation process comprises the following steps: placing natural rubber, styrene-butadiene rubber, an anti-aging agent RD, an anti-aging agent SP, stearic acid, carnauba wax, an active agent magnesium oxide, an acid-base balancing agent PEG400, zinc oxide, composite paraffin, a flame retardant tetrachlorophthalic anhydride, alkyl phenolic resin, a rubber plasticizer cashew nut oil into an internal mixer and completely mixing to obtain mixed rubber; then placing mixed rubber, high cis-1,4-polybutadiene rubber, carbon black N550, carbon black N330, nano-silica, a silane coupling agent SI-96 and epoxy soybean oil in parts by weight into an open mill and completely mixing; and then adding dicumyl peroxide, an accelerator TETD, and an accelerator DM and completely mixing, processing and molding the obtained material, sending to a vulcanizing machine for vulcanizing to obtain the rubber material for the seal ring of the automobile. The product prepared from the rubber material disclosed by the invention has the advantages of heat resistance, aging resistance, good weather resistance, high hardness, good tear resistance performance, low cost, good processing performance.
Description
Technical field
The present invention relates to the technical field of rubber material of automobile sealed circle, particularly relate to a kind of preparation technology of automobile sealed circle elastomeric material.
Background technology
Sealing-ring sealing is a kind of important form of automobile static seal, the sealing-ring that automobile uses has 100-400, modern automobile industry proposes more and more higher requirement to sealing member, these sealing-rings play the liquid of seal automobile inside and gas and prevent the effect that extraneous rainwater and dust invade, automobile operationally all has by all kinds of rubber seal and bears high temperature, weather-proof, ageing-resistant effect, and requiring that high, the tear-resistant performance of hardness is good, this is all baptism to elastomeric material and sealed structure; The sealing ring material utilizing traditional formula to prepare can not meet to automobile sealed more and more higher requirement.
Summary of the invention
The present invention proposes a kind of preparation technology of automobile sealed circle rubber, the goods obtained are heat-resisting, ageing-resistant, weather resistance is good, and hardness is high, and tear-resistant performance is good, and cost is low, good processability.
The preparation technology of a kind of automobile sealed circle elastomeric material that the present invention proposes, comprises the steps:
S1, first will by weight natural rubber 100 parts, styrene-butadiene rubber(SBR) 35-50 part, anti-aging agent RD 0.7-1.1 part, antioxidant SP 0.6-1 part, stearic acid 0.8-1.3 part, palm wax 2-2.5 part, promoting agent magnesium oxide 1-3 part, acid base equilibrium agent PEG4001-3 part, zinc oxide 2-4 part, compound paraffin 0.8-1.3 part, fire retardant tetrachlorophthalic tetrachlorophthalic anhydrid 1.5-3 part, alkyl phenolic resin 4-5 part, rubber plastizing agent cashew nut shell oil 2.5-3.2 part be put into mixer mixing and be obtained rubber unvulcanizate completely, the first melting temperature be 85-93 DEG C;
S2, again by gained rubber unvulcanizate and high-cis-1,4-polybutadiene rubber 30-40 part, carbon black N55025-30 part, carbon black N33015-25 part, nano silicon 8-13 part, silane coupling agent SI-967-8 part, it is complete that epoxy soybean oil 13-16 part puts into mill mixing by weight, and the second melting temperature is 103-108 DEG C;
S3, then add dicumyl peroxide 0.8-1.3 part, acceterator TE TD0.6-0.9 part, altax 0.7-0.9 part is completely mixing, and the 3rd melting temperature is 113-116 DEG C;
S4, by shaping for the materiel machining obtained, send in vulcanizer and carry out sulfuration and obtain automobile sealed circle elastomeric material, curing temperature is 155-165 DEG C, and curing time is 2-3min.
Preferably, cis in described high-cis-1，4-polybutadiene rubber-Isosorbide-5-Nitrae structural content 96.43-98.66%.
Preferably, the weight ratio of natural rubber, styrene-butadiene rubber(SBR) and high-cis-1，4-polybutadiene rubber is 100:40-45:35-40.
Preferably, the weight ratio of high-cis-1，4-polybutadiene rubber and nano silicon is 35-40:8-12.
Preferably, the first melting temperature is 90-92 DEG C.
Preferably, the second melting temperature is 105-106 DEG C.
Preferably, curing temperature is 158-162 DEG C, and curing time is 2.5-3min.
In the present invention, styrene-butadiene rubber(SBR) dielectric and resistance toheat better, terpolymer EP rubber is ethene, the terpolymer of propylene and non-conjugated diene hydrocarbon, share with natural rubber, processing performance is good, and production cost is low, goods wear-resisting, ageing-resistant and water resistance significantly strengthens, and there is superior resistance to oxidation, ozone-resistant and erosion-resistant ability, and styrene-butadiene rubber(SBR) price is low, over-all properties is good, because terpolymer EP rubber belongs to polyolefine family, it has fabulous vulcanization characteristics, natural rubber, styrene-butadiene rubber(SBR) and terpolymer EP rubber share and use dicumyl peroxide as vulcanizing agent, and coordinate the appropriate acceterator TE TD of interpolation and altax, the product resistance toheat obtained is fabulous, and the weather resistance of goods can be significantly improved, high-cis-1, the elasticity of 4-polybutadiene rubber, ageing-resistant, oil resistant and cold tolerance are excellent, it is splendid that its low temperature deflects performance, with carbon black N550 and carbon black N330 acting in conjunction, product reinforcing is excellent, with the effect of softening agent cashew nut shell oil, product can be made to have excellent heat-resisting, oil resistant, anti-swelling and resistance to migration energy, significantly improve sizing material processing characteristics, increase product plasticity and toughness, improve the tensile yield of product, by adding anti-aging agent RD, antioxidant SP as preventing aging system, product has excellent ageing-resistant, and heat-resisting and ozone resistance, has good protective effect to wear-resisting, warping strength and harmful metal ion simultaneously, silane coupling agent SI-96 adds the tensile strength at yield that can improve product, improve the ageing-resistant of product and resistance toheat, reduce compression set and dynamic heat build up performance, and silane coupling agent can carry out surface modification to carbon black N550 and carbon black N330, thus make the carbon black N550 of modification and carbon black N330 carry out modification to rubber, increase the durable and wear resistance of rubber.
Accompanying drawing explanation
Fig. 1 is preparation technology's schema of a kind of automobile sealed circle elastomeric material that the present invention proposes.
Embodiment
Embodiment 1
As shown in Figure 1, Fig. 1 is preparation technology's schema of a kind of automobile sealed circle elastomeric material that the present invention proposes.
With reference to Fig. 1, a kind of automobile sealed circle elastomeric material, its preparation technology is:
S1, first will by weight natural rubber 100 parts, 35 parts, styrene-butadiene rubber(SBR), anti-aging agent RD 1.1 parts, antioxidant SP 0.6 part, stearic acid 1.3 parts, palm wax 2 parts, 3 parts, promoting agent magnesium oxide, acid base equilibrium agent PEG4001 part, 4 parts, zinc oxide, 0.8 part, compound paraffin, fire retardant tetrachlorophthalic tetrachlorophthalic anhydrid 3 parts, alkyl phenolic resin 4 parts, rubber plastizing agent cashew nut shell oil 3.2 parts be put into mixer mixing and obtain rubber unvulcanizate completely, the first melting temperature be 85 DEG C;
S2, again by gained rubber unvulcanizate and high-cis-1，4-polybutadiene rubber 40 parts, carbon black N55025 part, carbon black N33025 part, nano silicon 8 parts, silane coupling agent SI-968 part, it is complete that epoxy soybean oil 13 parts puts into mill mixing by weight, and the second melting temperature is 108 DEG C;
S3, then add dicumyl peroxide 0.8 part, acceterator TE TD0.9 part, altax 0.7 part is completely mixing, and the 3rd melting temperature is 116 DEG C;
S4, by shaping for the materiel machining obtained, send in vulcanizer and carry out sulfuration and obtain automobile sealed circle elastomeric material, curing temperature is 155 DEG C, and curing time is 3min.
Embodiment 2
A kind of automobile sealed circle elastomeric material, its preparation technology is:
S1, first will by weight natural rubber 100 parts, 50 parts, styrene-butadiene rubber(SBR), anti-aging agent RD 0.7 part, antioxidant SP 1 part, stearic acid 0.8 part, palm wax 2.5 parts, 1 part, promoting agent magnesium oxide, acid base equilibrium agent PEG4003 part, 2 parts, zinc oxide, 1.3 parts, compound paraffin, fire retardant tetrachlorophthalic tetrachlorophthalic anhydrid 1.5 parts, alkyl phenolic resin 5 parts, rubber plastizing agent cashew nut shell oil 2.5 parts be put into mixer mixing and obtain rubber unvulcanizate completely, the first melting temperature be 93 DEG C;
S2, again by gained rubber unvulcanizate and high-cis-1，4-polybutadiene rubber 30 parts, carbon black N55030 part, carbon black N33015 part, nano silicon 13 parts, silane coupling agent SI-967 part, it is complete that epoxy soybean oil 16 parts puts into mill mixing by weight, and the second melting temperature is 103 DEG C;
S3, then add dicumyl peroxide 1.3 parts, acceterator TE TD0.6 part, altax 0.9 part is completely mixing, and the 3rd melting temperature is 113 DEG C;
S4, by shaping for the materiel machining obtained, send in vulcanizer and carry out sulfuration and obtain automobile sealed circle elastomeric material, curing temperature is 165 DEG C, and curing time is 2min.
Embodiment 3
A kind of automobile sealed circle elastomeric material, its preparation technology is:
S1, first will by weight natural rubber 100 parts, 42 parts, styrene-butadiene rubber(SBR), anti-aging agent RD 0.85 part, antioxidant SP 0.75 part, stearic acid 1.25 parts, palm wax 2.2 parts, 1.5 parts, promoting agent magnesium oxide, acid base equilibrium agent PEG4002.5 part, 2.3 parts, zinc oxide, 1.25 parts, compound paraffin, fire retardant tetrachlorophthalic tetrachlorophthalic anhydrid 2.5 parts, alkyl phenolic resin 4.5 parts, rubber plastizing agent cashew nut shell oil 3.15 parts be put into mixer mixing and obtain rubber unvulcanizate completely, the first melting temperature be 92 DEG C;
S2, again by gained rubber unvulcanizate and high-cis-1,4-polybutadiene rubber 38 parts, carbon black N55028 part, carbon black N33023 part, nano silicon 12 parts, silane coupling agent SI-967 part, it is complete that epoxy soybean oil 14 parts puts into mill mixing by weight, second melting temperature is 105 DEG C, cis in wherein high-cis-1，4-polybutadiene rubber-Isosorbide-5-Nitrae structural content 96.43-98.66%;
S3, then add dicumyl peroxide 1.25 parts, acceterator TE TD0.85 part, altax 0.85 part is completely mixing, and the 3rd melting temperature is 115 DEG C;
S4, by shaping for the materiel machining obtained, send in vulcanizer and carry out sulfuration and obtain automobile sealed circle elastomeric material, curing temperature is 162 DEG C, and curing time is 2.5min.
The automobile sealed circle elastomeric material prepared by embodiment 1-3 carries out performance test, and test result is as follows:
Described in above-described embodiment 1-3, automobile sealed circle elastomeric material weather resistance is good, and hardness is high, and compression set is low, wear-resistant, ageing-resistant and oil resistance is excellent, and after high temperature resistant test outward appearance without distortion, contraction, crackle, being clamminess and separating out phenomenon occurs.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a preparation technology for automobile sealed circle elastomeric material, is characterized in that, comprise the steps:
S1, first will by weight natural rubber 100 parts, styrene-butadiene rubber(SBR) 35-50 part, anti-aging agent RD 0.7-1.1 part, antioxidant SP 0.6-1 part, stearic acid 0.8-1.3 part, palm wax 2-2.5 part, promoting agent magnesium oxide 1-3 part, acid base equilibrium agent PEG4001-3 part, zinc oxide 2-4 part, compound paraffin 0.8-1.3 part, fire retardant tetrachlorophthalic tetrachlorophthalic anhydrid 1.5-3 part, alkyl phenolic resin 4-5 part, rubber plastizing agent cashew nut shell oil 2.5-3.2 part be put into mixer mixing and be obtained rubber unvulcanizate completely, the first melting temperature be 85-93 DEG C;
S2, again by gained rubber unvulcanizate and high-cis-1,4-polybutadiene rubber 30-40 part, carbon black N55025-30 part, carbon black N33015-25 part, nano silicon 8-13 part, silane coupling agent SI-967-8 part, it is complete that epoxy soybean oil 13-16 part puts into mill mixing by weight, and the second melting temperature is 103-108 DEG C;
S3, then add dicumyl peroxide 0.8-1.3 part, acceterator TE TD0.6-0.9 part, altax 0.7-0.9 part is completely mixing, and the 3rd melting temperature is 113-116 DEG C;
S4, by shaping for the materiel machining obtained, send in vulcanizer and carry out sulfuration and obtain automobile sealed circle elastomeric material, curing temperature is 155-165 DEG C, and curing time is 2-3min.
2. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, cis-Isosorbide-5-Nitrae structural content 96.43-98.66% in described high-cis-1，4-polybutadiene rubber.
3. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, the weight ratio of natural rubber, styrene-butadiene rubber(SBR) and high-cis-1，4-polybutadiene rubber is 100:40-45:35-40.
4. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, the weight ratio of high-cis-1，4-polybutadiene rubber and nano silicon is 35-40:8-12.
5. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, the first melting temperature is 90-92 DEG C.
6. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, the second melting temperature is 105-106 DEG C.
7. the preparation technology of automobile sealed circle elastomeric material according to claim 1, is characterized in that, curing temperature is 158-162 DEG C, and curing time is 2.5-3min.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804262A (en) * | 2015-04-27 | 2015-07-29 | 安徽美祥实业有限公司 | Engine oil seal rubber material |
| CN104945692A (en) * | 2015-07-07 | 2015-09-30 | 三角轮胎股份有限公司 | Rubber combination with self-sealing function |
| CN105111514A (en) * | 2015-08-13 | 2015-12-02 | 枞阳县金源汽车零部件有限公司 | Environmental-friendly high-temperature-resistant sealing ring rubber material and production process therefor |
| CN105440339A (en) * | 2015-12-22 | 2016-03-30 | 芜湖恒坤汽车部件有限公司 | Anti-aging rubber ring material composition and anti-aging rubber ring preparation method |
| CN105754170A (en) * | 2016-03-01 | 2016-07-13 | 安徽振海重工机械有限公司 | Rubber coated material for automobile oil seal |
| CN106084337A (en) * | 2016-08-15 | 2016-11-09 | 合肥万向钱潮汽车零部件有限公司 | The sealing rubber ring of the automatic riveting press equipment of brake-shoe |
| CN106167560A (en) * | 2016-08-31 | 2016-11-30 | 安徽美祥实业有限公司 | A kind of automobile oil-resistant seal ring and preparation method thereof |
| CN106700149A (en) * | 2016-12-12 | 2017-05-24 | 天长市康宁塑胶科技有限公司 | Inflaming-retarding smoke-suppressing rubber material |
| CN109021327A (en) * | 2018-08-21 | 2018-12-18 | 博戈橡胶金属（上海）有限公司 | A kind of environmental type rubber and preparation method thereof for automobile bushing |
| CN110953415A (en) * | 2018-09-27 | 2020-04-03 | 株式会社华尔卡 | Joint with sealing member |
| CN112521672A (en) * | 2020-12-01 | 2021-03-19 | 厦门市麦华橡胶制品有限公司 | Colored material suitable for SBR thick product and preparation method thereof |
| CN113087978A (en) * | 2021-05-06 | 2021-07-09 | 南京曼润高分子科技研究院有限公司 | Modified high-toughness sluice rubber sealing element and preparation method thereof |
| CN113861531A (en) * | 2021-09-29 | 2021-12-31 | 南京固瑞橡胶有限公司 | Environment-friendly low-smoke flame-retardant rubber composition and preparation method thereof |
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| CN103756027A (en) * | 2013-12-04 | 2014-04-30 | 铜陵日兴电子有限公司 | Novel mixed rubber capacitor sealing ring and making method thereof |
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| JP2001348460A (en) * | 2000-06-08 | 2001-12-18 | Nok Corp | Lubricative rubber composition |
| CN102731867A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Sealing ring rubber material non-sticking to die during application |
| CN103408815A (en) * | 2013-07-03 | 2013-11-27 | 安徽方兴实业有限公司 | High-temperature-resistant rubber sealing ring material and preparation method thereof |
| CN103756027A (en) * | 2013-12-04 | 2014-04-30 | 铜陵日兴电子有限公司 | Novel mixed rubber capacitor sealing ring and making method thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804262A (en) * | 2015-04-27 | 2015-07-29 | 安徽美祥实业有限公司 | Engine oil seal rubber material |
| CN104945692A (en) * | 2015-07-07 | 2015-09-30 | 三角轮胎股份有限公司 | Rubber combination with self-sealing function |
| CN105111514A (en) * | 2015-08-13 | 2015-12-02 | 枞阳县金源汽车零部件有限公司 | Environmental-friendly high-temperature-resistant sealing ring rubber material and production process therefor |
| CN105440339A (en) * | 2015-12-22 | 2016-03-30 | 芜湖恒坤汽车部件有限公司 | Anti-aging rubber ring material composition and anti-aging rubber ring preparation method |
| CN105754170A (en) * | 2016-03-01 | 2016-07-13 | 安徽振海重工机械有限公司 | Rubber coated material for automobile oil seal |
| CN106084337A (en) * | 2016-08-15 | 2016-11-09 | 合肥万向钱潮汽车零部件有限公司 | The sealing rubber ring of the automatic riveting press equipment of brake-shoe |
| CN106167560A (en) * | 2016-08-31 | 2016-11-30 | 安徽美祥实业有限公司 | A kind of automobile oil-resistant seal ring and preparation method thereof |
| CN106700149A (en) * | 2016-12-12 | 2017-05-24 | 天长市康宁塑胶科技有限公司 | Inflaming-retarding smoke-suppressing rubber material |
| CN109021327A (en) * | 2018-08-21 | 2018-12-18 | 博戈橡胶金属（上海）有限公司 | A kind of environmental type rubber and preparation method thereof for automobile bushing |
| CN110953415A (en) * | 2018-09-27 | 2020-04-03 | 株式会社华尔卡 | Joint with sealing member |
| CN110953415B (en) * | 2018-09-27 | 2023-01-17 | 株式会社华尔卡 | Joint with sealing member |
| CN112521672A (en) * | 2020-12-01 | 2021-03-19 | 厦门市麦华橡胶制品有限公司 | Colored material suitable for SBR thick product and preparation method thereof |
| CN113087978A (en) * | 2021-05-06 | 2021-07-09 | 南京曼润高分子科技研究院有限公司 | Modified high-toughness sluice rubber sealing element and preparation method thereof |
| CN113861531A (en) * | 2021-09-29 | 2021-12-31 | 南京固瑞橡胶有限公司 | Environment-friendly low-smoke flame-retardant rubber composition and preparation method thereof |
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Application publication date: 20150114 |