CN108117678A - A kind of high restoration seal gasket and preparation method thereof - Google Patents
A kind of high restoration seal gasket and preparation method thereof Download PDFInfo
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- CN108117678A CN108117678A CN201711424084.1A CN201711424084A CN108117678A CN 108117678 A CN108117678 A CN 108117678A CN 201711424084 A CN201711424084 A CN 201711424084A CN 108117678 A CN108117678 A CN 108117678A
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
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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
- C08L2205/02—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
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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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- Health & Medical Sciences (AREA)
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- Sealing Material Composition (AREA)
Abstract
The present invention provides a kind of high restoration seal gasket, the component including following portions by weight：50 ~ 70 parts of neoprene GW, 10 ~ 20 parts of neoprene WHV, 20 ~ 30 parts of cis-rich polybutadiene rubber, 4 ~ 6 parts of high activity MgO, 3 ~ 7 parts of ZnO, 3 ~ 5 parts of octylated diphenylamine, diphenyl are to 1 ~ 2 part of diphenylamines, 0.3 ~ 0.7 part of stearic acid, 8 ~ 12 parts of DOS, 5 ~ 15 parts of cycloalkanes generic operation oil, 12 ~ 18 parts of FEF N550,15 ~ 25 parts of MT N990,1 ~ 3 part of TMU/CTOB vulcanizing systems.The seal gasket has the advantages that elastic high, restoration height, service life is long and sealing effect is good.
Description
Technical field
The present invention relates to seal gasket technical fields, are specially a kind of high restoration seal gasket and preparation method thereof.
Background technology
Seal gasket is important accessory, is widely used in the every field such as food, chemical industry and machinery, in the connection of equipment
There is effective sealing function, still, seal gasket in use, it is poor elasticity deficiency, restoration often occur between accessory
Situation, shorten so as to cause the service life of seal gasket, sealing effect be deteriorated the problems such as.
The content of the invention
In consideration of it, the present invention provides a kind of high restoration seal gaskets and preparation method thereof, it is specially that one kind passes through tune
The raw material composition of whole seal gasket improves the elasticity of seal gasket, the high restoration seal gasket of restoration.The seal gasket has
The advantages of flexible high, restoration is high, service life is long and sealing effect is good.
Technical scheme is as follows：
A kind of high restoration seal gasket, the component including following portions by weight：50 ~ 70 parts of neoprene GW, neoprene
10 ~ 20 parts of WHV, 20 ~ 30 parts of cis-rich polybutadiene rubber, 4 ~ 6 parts of high activity MgO, 3 ~ 7 parts of ZnO, octylated diphenylamine
3 ~ 5 parts, diphenyl is to 1 ~ 2 part of diphenylamines, 0.3 ~ 0.7 part of stearic acid, 8 ~ 12 parts of DOS, 5 ~ 15 parts of cycloalkanes generic operation oil, FEF
12 ~ 18 parts of N550,15 ~ 25 parts of MT N990,1 ~ 3 part of TMU/CTOB vulcanizing systems.
Preferably, high restoration seal gasket includes the component of following portions by weight：60 parts of neoprene GW, neoprene rubber
15 parts of glue WHV, 25 parts of cis-rich polybutadiene rubber, 5 parts of high activity MgO, 5 parts of ZnO, 4 parts of octylated diphenylamine, two
Phenyl is to 1.5 parts of diphenylamines, 0.5 part of stearic acid, 10 parts of DOS, 10 parts of cycloalkanes generic operation oil, 15 parts of FEF N550, MT
20 parts of N990,2 parts of TMU/CTOB vulcanizing systems.
It is above-mentioned to include 1 part of catechol, 0.5 part of boric acid, o-dichlorohenzene per portion TMU/CTOB vulcanizing systems（Liquid） 2
Part, hexamethylene（Liquid）1 part.Wherein, the preparation method of TMU/CTOB vulcanizing systems is：Catechol and boric acid are added in into neighbour two
In chlorobenzene, flow back 3h, and hexamethylene is added in the solution after reflux, crystal is obtained after filtering, by crystal using vacuum distillation
Method obtains TMU/CTOB vulcanizing systems.
The preparation method of above-mentioned high restoration seal gasket, step are as follows：
（1）To neoprene GW and neoprene WHV difference strippings and slicings, put into mould in mixer I after stripping and slicing and practice, after modeling is practiced, park
24 ~ 32 it is small when, obtain modeling practice glue I, wherein, mould practice temperature be 120 ~ 140 DEG C, the time be 12 ~ 14min；Preferably, it is small that 28 are parked
When, it is 130 DEG C to mould white silk temperature, time 13min；
（2）By cis-rich polybutadiene rubber stripping and slicing and put into modeling white silk carried out in mixer II, after modeling is practiced, park 24 ~ 32 it is small when
For use, obtain modeling and practice glue II, wherein, it is 150 ~ 170 DEG C to mould white silk temperature, and the time is 10 ~ 12min；Preferably, park 28 it is small when,
It is 160 DEG C that temperature is practiced in modeling, time 11min；
（3）Modeling is practiced into glue I and modeling practices glue II and puts into mixer, then put into successively high activity MgO, ZnO, octylated diphenylamine,
Diphenyl is to diphenylamines, stearic acid, DOS, cycloalkanes generic operation oil, FEF N550 and MT N990, and after mixing, bottom sheet cooling is parked
24 ~ 32 it is small when, obtain rubber master batch, wherein, melting temperature be 60 ~ 80 DEG C, the time be 20 ~ 25min；Preferably, park 28 it is small when, mix
It is 70 DEG C to refine temperature, time 23min；
（4）By step（3）In the rubber master batch input mixer of acquisition, then put into TMU/CTOB vulcanizing systems and be kneaded, through turning over
Bottom sheet after refining, obtain sizing material, park 24 ~ 32 it is small when it is for use, wherein, melting temperature be 50 ~ 60 DEG C, the time be 13 ~ 15min；It is excellent
Choosing, park 28 it is small when, melting temperature be 55 DEG C, time 14min；
（5）By step（4）Sizing material input extruder after middle vulcanization is extruded into adhesive tape, and the adhesive tape of extrusion then is entered mold forming, is obtained
Obtain seal gasket.
Compared with prior art, beneficial effects of the present invention：
1st, it is used as raw material by selecting neoprene GW, neoprene WHV and cis-rich polybutadiene rubber, and by neoprene
It is plasticated after GW and neoprene WHV mixing, cis-rich polybutadiene rubber is individually plasticated, can be obtained respectively plastic
Property uniformly, glue I is practiced in the modeling of uniform quality and glue II is practiced in modeling, provide good raw material to be kneaded.
2nd, equal the performances such as the hardness, intensity and tear of sizing material as filler by using FEF N550 and MT N990
Weighing apparatus property higher provides basis to improve the elasticity of seal gasket and restoration.
3rd, by using TMU/CTOB vulcanizing systems, make sulfidation more completely, sizing material more stablize, can effectively improve
The elasticity and restoration of seal washer.
Specific embodiment
The present invention is described in detail With reference to embodiment, and the advantages and features of the present invention will be with retouching
It states and apparent.But embodiment is only exemplary, does not form any restrictions to the scope of the present invention.People in the art
Member is it should be understood that without departing from the spirit and scope of the invention, can repair technical scheme details
Change or replace, but these modifications and replacement each fall within protection scope of the present invention.
In embodiment provided by the invention, include 1 part of catechol, boric acid per a TMU/CTOB vulcanizing systems
0.5 part, o-dichlorohenzene（Liquid）2 parts, hexamethylene（Liquid）1 part.Wherein, the preparation method of TMU/CTOB vulcanizing systems is：By neighbour
Benzenediol and boric acid are added in o-dichlorohenzene, and flow back 3h, and hexamethylene is added in the solution after reflux, crystal is obtained after filtering,
Crystal is obtained into TMU/CTOB vulcanizing systems using the method for vacuum distillation.
Embodiment 1：
A kind of high restoration seal gasket, the component including following portions by weight：60 parts of neoprene GW, neoprene WHV
15 parts, 25 parts of cis-rich polybutadiene rubber, 5 parts of high activity MgO, 5 parts of ZnO, 4 parts of octylated diphenylamine, diphenyl pair
1.5 parts of diphenylamines, 0.5 part of stearic acid, 10 parts of DOS, 10 parts of cycloalkanes generic operation oil, 15 parts of FEF N550, MT N990 20
Part, 2 parts of TMU/CTOB vulcanizing systems.
The preparation method of above-mentioned high restoration seal gasket, step are as follows：
（1）To neoprene GW and neoprene WHV difference strippings and slicings, put into mould in mixer I after stripping and slicing and practice, after modeling is practiced, park
28 it is small when, obtain modeling practice glue I, wherein, mould practice temperature be 130 DEG C, time 13min；
（2）By cis-rich polybutadiene rubber stripping and slicing and put into modeling white silk carried out in mixer II, after modeling is practiced, park 28 it is small when treat
With, it obtains modeling and practices glue II, wherein, it is 160 DEG C to mould white silk temperature, time 11min；
（3）Modeling is practiced into glue I and modeling practices glue II and puts into mixer, then put into successively high activity MgO, ZnO, octylated diphenylamine,
Diphenyl is to diphenylamines, stearic acid, DOS, cycloalkanes generic operation oil, FEF N550 and MT N990, and after mixing, bottom sheet cooling is parked
28 it is small when, obtain rubber master batch, wherein, melting temperature be 70 DEG C, time 23min；
（4）By step（3）In the rubber master batch input mixer of acquisition, then put into TMU/CTOB vulcanizing systems and be kneaded, through turning over
Bottom sheet after refining, obtain sizing material, park 28 it is small when it is for use, wherein, melting temperature be 55 DEG C, time 14min；
（5）By step（4）Sizing material input extruder after middle vulcanization is extruded into adhesive tape, and the adhesive tape of extrusion then is entered mold forming, is obtained
Obtain seal gasket.
Comparative example 1：
A kind of seal gasket, the component including following portions by weight：60 parts of neoprene GW, 15 parts of neoprene WHV, Gao Shun
25 parts of formula polybutadiene rubber, 5 parts of high activity MgO, 5 parts of ZnO, 4 parts of octylated diphenylamine, diphenyl are to diphenylamines 1.5
Part, 10 parts of 0.5 part of stearic acid, 10 parts of DOS, cycloalkanes generic operation oil, 10 parts of SAF N110,20 parts of HAF N330, TMU/
2 parts of CTOB vulcanizing systems.
The preparation method of above-mentioned seal gasket is the same as the preparation method of embodiment 1.
Comparative example 2：
A kind of seal gasket, the component including following portions by weight：60 parts of neoprene GW, 15 parts of neoprene WHV, Gao Shun
25 parts of formula polybutadiene rubber, 5 parts of high activity MgO, 5 parts of ZnO, 4 parts of octylated diphenylamine, diphenyl are to diphenylamines 1.5
Part, 10 parts of 0.5 part of stearic acid, 10 parts of DOS, cycloalkanes generic operation oil, 15 parts of FEF N550,20 parts of MT N990, ETU 1
Part, 1 part of sulphur.
The preparation method of above-mentioned seal gasket is the same as the preparation method of embodiment 1.
Embodiment 2：
A kind of high restoration seal gasket, the component including following portions by weight：50 parts of neoprene GW, neoprene WHV
20 parts, 30 parts of cis-rich polybutadiene rubber, 4 parts of high activity MgO, 3 parts of ZnO, 3 parts of octylated diphenylamine, diphenyl is to two
1 part of aniline, 0.3 part of stearic acid, 8 parts of DOS, 5 parts of cycloalkanes generic operation oil, 12 parts of FEF N550,15 parts of MT N990, TMU/
1 part of CTOB vulcanizing systems.
The preparation method of above-mentioned high restoration seal gasket, step are as follows：
（1）To neoprene GW and neoprene WHV difference strippings and slicings, put into mould in mixer I after stripping and slicing and practice, after modeling is practiced, park
24 it is small when, obtain modeling practice glue I, wherein, mould practice temperature be 120 DEG C, time 12min；
（2）By cis-rich polybutadiene rubber stripping and slicing and put into modeling white silk carried out in mixer II, after modeling is practiced, park 24 it is small when treat
With, it obtains modeling and practices glue II, wherein, it is 150 DEG C to mould white silk temperature, time 10min；
（3）Modeling is practiced into glue I and modeling practices glue II and puts into mixer, then put into successively high activity MgO, ZnO, octylated diphenylamine,
Diphenyl is to diphenylamines, stearic acid, DOS, cycloalkanes generic operation oil, FEF N550 and MT N990, and after mixing, bottom sheet cooling is parked
24 it is small when, obtain rubber master batch, wherein, melting temperature be 60 DEG C, time 20min；
（4）By step（3）In the rubber master batch input mixer of acquisition, then put into TMU/CTOB vulcanizing systems and be kneaded, through turning over
Bottom sheet after refining, obtain sizing material, park 24 it is small when it is for use, wherein, melting temperature be 50 DEG C, time 13min；
（5）By step（4）Sizing material input extruder after middle vulcanization is extruded into adhesive tape, and the adhesive tape of extrusion then is entered mold forming, is obtained
Obtain seal gasket.
Embodiment 3：
A kind of high restoration seal gasket, the component including following portions by weight：70 parts of neoprene GW, neoprene WHV
10 parts, 20 parts of cis-rich polybutadiene rubber, 6 parts of high activity MgO, 7 parts of ZnO, 5 parts of octylated diphenylamine, diphenyl is to two
2 parts of aniline, 0.7 part of stearic acid, 12 parts of DOS, 15 parts of cycloalkanes generic operation oil, 18 parts of FEF N550,25 parts of MT N990, TMU/
3 parts of CTOB vulcanizing systems.
The preparation method of above-mentioned high restoration seal gasket, step are as follows：
（1）To neoprene GW and neoprene WHV difference strippings and slicings, put into mould in mixer I after stripping and slicing and practice, after modeling is practiced, park
32 it is small when, obtain modeling practice glue I, wherein, mould practice temperature be 140 DEG C, time 14min；
（2）By cis-rich polybutadiene rubber stripping and slicing and put into modeling white silk carried out in mixer II, after modeling is practiced, park 32 it is small when treat
With, it obtains modeling and practices glue II, wherein, it is 170 DEG C to mould white silk temperature, time 12min；
（3）Modeling is practiced into glue I and modeling practices glue II and puts into mixer, then put into successively high activity MgO, ZnO, octylated diphenylamine,
Diphenyl is to diphenylamines, stearic acid, DOS, cycloalkanes generic operation oil, FEF N550 and MT N990, and after mixing, bottom sheet cooling is parked
32 it is small when, obtain rubber master batch, wherein, melting temperature be 80 DEG C, time 25min；
（4）By step（3）In the rubber master batch input mixer of acquisition, then put into TMU/CTOB vulcanizing systems and be kneaded, through turning over
Bottom sheet after refining, obtain sizing material, park 32 it is small when it is for use, wherein, melting temperature be 60 DEG C, time 15min；
The measurement result of embodiment 1 ~ 3 and comparative example 1 ~ 2 is as follows：
Wherein, pressure is permanently deformed（%）=（t0-ti）/ t0×100%
t0Represent the height before measurement；
tiRepresent the height after measurement.
In above-mentioned data, the seal gasket pressure permanent deformation of embodiment 1, embodiment 2 and embodiment 3（%）Respectively
5.04th, 5.61 and 5.25, the seal gasket pressure permanent deformation of comparative example 1 and comparative example 2（%）Respectively 37.17 and 35.28,
As can be seen that the pressure permanent deformation of embodiment 1 ~ 3 is permanently deformed significantly lower than the pressure of comparative example 1 ~ 2, it can be determined that goes out to fill out
Filling agent and vulcanizing system has the restoration of seal gasket the seal gasket of vital effect and the present invention to have high restore
Property.
Claims (9)
- A kind of 1. high restoration seal gasket, which is characterized in that the component including following portions by weight：Neoprene GW 50 ~ 70 Part, 10 ~ 20 parts of neoprene WHV, 20 ~ 30 parts of cis-rich polybutadiene rubber, 4 ~ 6 parts of high activity MgO, 3 ~ 7 parts of ZnO, 3 ~ 5 parts of octylated diphenylamine, diphenyl are to 1 ~ 2 part of diphenylamines, 0.3 ~ 0.7 part of stearic acid, 8 ~ 12 parts of DOS, cycloalkanes generic operation 5 ~ 15 parts of oil, 12 ~ 18 parts of FEF N550,15 ~ 25 parts of MT N990,1 ~ 3 part of TMU/CTOB vulcanizing systems.
- 2. high restoration seal gasket as described in claim 1, which is characterized in that the component including following portions by weight：Chlorine 60 parts of buna GW, 15 parts of neoprene WHV, 25 parts of cis-rich polybutadiene rubber, 5 parts of high activity MgO, 5 parts of ZnO, 4 parts of octylated diphenylamine, diphenyl to 1.5 parts of diphenylamines, 0.5 part of stearic acid, 10 parts of DOS, cycloalkanes generic operation oil 10 parts, 15 parts of FEF N550,20 parts of MT N990,2 parts of TMU/CTOB vulcanizing systems.
- 3. high restoration seal gasket as claimed in claim 2, which is characterized in that include per portion TMU/CTOB vulcanizing systems 1 part of catechol, 0.5 part of boric acid, o-dichlorohenzene（Liquid）2 parts, hexamethylene（Liquid）1 part.
- 4. high restoration seal gasket as claimed in claim 3, which is characterized in that the preparation of the TMU/CTOB vulcanizing systems Method is：Catechol and boric acid are added in o-dichlorohenzene, flow back 3h, hexamethylene is added in the solution after reflux, filtering After obtain crystal, by crystal using vacuum distillation method obtain TMU/CTOB vulcanizing systems.
- 5. such as the preparation method of the high restoration seal gasket of claim 1-4 any one of them, which is characterized in that step is such as Under：（1）To neoprene GW and neoprene WHV difference strippings and slicings, put into mould in mixer I after stripping and slicing and practice, after modeling is practiced, park 24 ~ 32 it is small when, obtain modeling practice glue I, wherein, mould practice temperature be 120 ~ 140 DEG C, the time be 12 ~ 14min；（2）By cis-rich polybutadiene rubber stripping and slicing and put into modeling white silk carried out in mixer II, after modeling is practiced, park 24 ~ 32 it is small when For use, obtain modeling and practice glue II, wherein, it is 150 ~ 170 DEG C to mould white silk temperature, and the time is 10 ~ 12min；（3）Modeling is practiced into glue I and modeling practices glue II and puts into mixer, then put into successively high activity MgO, ZnO, octylated diphenylamine, Diphenyl is to diphenylamines, stearic acid, DOS, cycloalkanes generic operation oil, FEF N550 and MT N990, and after mixing, bottom sheet cooling is parked 24 ~ 32 it is small when, obtain rubber master batch, wherein, melting temperature be 60 ~ 80 DEG C, the time be 20 ~ 25min；（4）By step（3）In the rubber master batch input mixer of acquisition, then put into TMU/CTOB vulcanizing systems and be kneaded, through turning over Bottom sheet after refining, obtain sizing material, park 24 ~ 32 it is small when it is for use, wherein, melting temperature be 50 ~ 60 DEG C, the time be 13 ~ 15min；（5）By step（4）Sizing material input extruder after middle vulcanization is extruded into adhesive tape, and the adhesive tape of extrusion then is entered mold forming, is obtained Obtain seal gasket.
- 6. the preparation method of high restoration seal gasket as claimed in claim 5, which is characterized in that in step（1）In, it parks 28 it is small when, mould practice temperature be 130 DEG C, time 13min.
- 7. the preparation method of high restoration seal gasket as claimed in claim 5, which is characterized in that in step（2）In, it parks 28 it is small when, mould practice temperature be 160 DEG C, time 11min.
- 8. the preparation method of high restoration seal gasket as claimed in claim 5, which is characterized in that in step（3）In, it parks 28 it is small when, melting temperature be 70 DEG C, time 23min.
- 9. the preparation method of high restoration seal gasket as claimed in claim 5, which is characterized in that in step（4）In, it parks 28 it is small when, melting temperature be 55 DEG C, time 14min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711424084.1A CN108117678A (en) | 2017-12-25 | 2017-12-25 | A kind of high restoration seal gasket and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711424084.1A CN108117678A (en) | 2017-12-25 | 2017-12-25 | A kind of high restoration seal gasket and preparation method thereof |
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| CN108117678A true CN108117678A (en) | 2018-06-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010111538A (en) * | 2000-06-12 | 2001-12-19 | 김선태 | A Rail Pad Composition |
| CN1439825A (en) * | 2002-04-29 | 2003-09-03 | 甘肃工业大学 | Rubber sealed rings |
| CN104893043A (en) * | 2015-05-28 | 2015-09-09 | 安徽同丰橡塑工业有限公司 | Shock-reducing rubber |
| CN106496709A (en) * | 2016-12-21 | 2017-03-15 | 上海翎宝传动科技有限公司 | High modulus rubber composition and high load capacity Timing Belt |
-
2017
- 2017-12-25 CN CN201711424084.1A patent/CN108117678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010111538A (en) * | 2000-06-12 | 2001-12-19 | 김선태 | A Rail Pad Composition |
| CN1439825A (en) * | 2002-04-29 | 2003-09-03 | 甘肃工业大学 | Rubber sealed rings |
| CN104893043A (en) * | 2015-05-28 | 2015-09-09 | 安徽同丰橡塑工业有限公司 | Shock-reducing rubber |
| CN106496709A (en) * | 2016-12-21 | 2017-03-15 | 上海翎宝传动科技有限公司 | High modulus rubber composition and high load capacity Timing Belt |
Non-Patent Citations (2)
| Title |
|---|
| 乡田兼成 等: "《氯丁橡胶加工技术》", 31 January 1980, 化学工业出版社 * |
| 王福坤 摘译: "低压缩永久变形氯丁橡胶的配方研究", 《橡胶译丛》 * |
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