CN106905576A - A kind of cold-resistant drive belt primer and preparation method thereof - Google Patents
A kind of cold-resistant drive belt primer and preparation method thereof Download PDFInfo
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- CN106905576A CN106905576A CN201710156931.4A CN201710156931A CN106905576A CN 106905576 A CN106905576 A CN 106905576A CN 201710156931 A CN201710156931 A CN 201710156931A CN 106905576 A CN106905576 A CN 106905576A
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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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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Abstract
The invention discloses a kind of cold-resistant drive belt primer and preparation method thereof.By weight, the preparing raw material of cold-resistant drive belt primer includes：50~70 parts of neoprene CR, 30~50 parts of butadiene rubber BR, 1~10 part of cold-resistant auxiliary agent, 1~10 part of magnesia MgO, 5~15 parts of zinc oxide ZnO, 1~6 part of accelerator, 1~5 part of stearic acid SA, 40~60 parts of reinforcing agent, 1~10 part of age resistor, 1~10 part of plasticizer, 1~2 part of sulphur S, 5~10 parts of oil.Resist cold auxiliary agent, vulcanizing agent, accelerator, stearic acid, reinforcing agent, age resistor, plasticizer synergy in the present invention, on the premise of drive belt physical property such as stretch breaking strength, tearing strength, hardness, elongation rate of tensile failure is kept, low temperature anti-crystallization energy of the drive belt at a temperature of 10 DEG C is improve jointly.
Description
Technical field
The invention belongs to drive belt technical field, it is related to a kind of cold-resistant drive belt primer and preparation method thereof.
Background technology
Agricultural machinery drive belt major part is neoprene material, and neoprene has tensile strength higher, elongation
Rate, it is ageing-resistant, heat-resisting, it is the important raw and processed materials of middle and high end drive belt, but have the disadvantage that its cold resistance and bin stability are poor.By
In neoprene, strand regularity relatively forces upper side base containing polarized in itself, the characteristics of easily crystallizing is made it have, so working as ring
When border temperature is less than subzero, neoprene starts crystallization, and be gradually hardened embrittlement breach, and when temperature is at -10 DEG C, crystalline rate is most fast,
And the flexible resistance that the consequence of the embrittlement that is hardened is neoprene is deteriorated so that the drive belt that is thus made fatigue, the life-span drastically under
Drop, such case is particularly evident in China northeast, exports to Russian breach phenomenon then more seriously, therefore, in -10 DEG C of temperature
Under, the cold tolerance of drive belt is badly in need of being improved.
CN 101602867A disclose a kind of modified chloroprene rubber V band and preparation method thereof, modified chloroprene rubber V band
Base rubber is made up of the raw material of following weight portion through mixing：100 parts of neoprenes, 20~50 parts of sour modified carbon nano-tubes, 10
~20 parts of carbon blacks, 2~10 parts of phosphorus system oxides, 12~18 parts of sulphur, 0.3~5 part of age resistor, 1~5 part of filler, 3~7 parts it is soft
Agent, 2~10 parts of plasticizer and 1~6 part of accelerator, the rubber of composite sulfuration have inherent " skeleton " structure, and intensity is high, energy
Enough be applied to 150~180 DEG C of high-temperature work environments, with good heat resistance, can be widely used for colliery, oil, chemical industry and
In machine driven system in the industries such as papermaking under particular surroundings.
CN101412824A discloses a kind of chloroprene rubber composition for ultra low temperature sealing arrangement, including neoprene rubber
Glue, carbon black, ZnO and accelerator, well mixed being placed in rubber mixing machine are kneaded, and the chloroprene rubber composition has good adding
The heat adhesiveness energy of work processing performance and metal；There is good media compatibility and reliability under -196 DEG C of condition of ultralow temperature
Sealing property, pressure-resistant scope reached -0.1~35MPa.
But prior art to the cold tolerance improvement effect at a temperature of the performance improvement of base rubber, especially -10 DEG C not
It is preferable.
The content of the invention
In view of the shortcomings of the prior art, an object of the present invention is to provide a kind of cold-resistant drive belt primer, its-
Resistance to circumnutating property at a temperature of 10 DEG C is excellent.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of cold-resistant drive belt primer, by weight, the preparing raw material of the cold-resistant drive belt primer includes：
The present invention is used in mixed way using neoprene CR and butadiene rubber BR, and BR strands compliance is preferable and without side base,
Crystalline polamer will not be produced in low temperature environment, therefore with preferable resistance to low temperature, BR and CR is blended, can be mutual with advantage
Mend, be effectively improved the low temperature crystallization phenomenon of CR.The consumption of CR and BR has a significant impact to the performance of drive belt, neoprene CR
Weight portion be 50~70 parts, the weight portion of butadiene rubber BR is 30~50 parts, if the consumption of CR and BR is not in this range, is passed
The mechanical performance and low temperature anti-crystallization of dynamic adhesive tape can not reach optimum efficiency.
The addition of cold-resistant auxiliary agent, reduces neoprene CR intermolecular forces, reduces the binding force between strand, i.e.,
Make in the strand arrangement for having crystallization tendency, strand also can shake off arrangement constraint with low-force, produce certain dividing
Subchain is slid, and accelerates the wriggling between segment, and the anti-crystallization energy of CR is improved with this.Wherein, the cold-resistant auxiliary agent is selected from oil
One or both of acid butyl ester, dibutyl sebacate mixture.
The vulcanizing agent of neoprene is the mixture of magnesia and zinc oxide in the present invention；The addition of magnesia can be played surely
Fixed effect, can prevent from producing incipient scorch in processing, and improve incipient scorch of the sizing material in storage, also with plasticized rubber
Effect.Method of ZnO will do vulcanizate, and vulcanization can be made flat.Magnesia and zinc oxide use easy Jiao for solving vulcanizate simultaneously
Burning, the problem that state of cure (vulcanization) is high and curingprocess rate is fast.The consumption of magnesia is processed to neoprene and vulcanization has considerable influence, meeting
Influence plasticity, storage stability and the curingprocess rate of neoprene.Preferably, the weight portion of the magnesia is 1~10 part；Work as oxygen
When changing magnesium consumption higher than 10 parts, the curingprocess rate of neoprene can be reduced, when magnesia consumption is less than 1 part, neoprene can be reduced
Plasticity and storage stability.The consumption of zinc oxide can influence the ageing-resistant performance and plastic stability of neoprene.Preferably,
The weight portion of the zinc oxide is 5~15 parts, when zinc oxide dosage is more than 15 parts, the easy incipient scorch of sizing material, storage stability reduction,
Sizing material can be also set to be hardened and lose plasticity, when zinc oxide dosage is less than 5 parts, the state of cure (vulcanization) and ageing-resistant performance of neoprene are not
It is good.
The vulcanizing agent of butadiene rubber is sulphur S in the present invention, and its consumption is 1~2 part.Sulphur is as vulcanizing agent in transmission glue
Order of addition in the preparation process of band has a great impact to end properties, and sulphur addition is too early to make the vulcanization of sizing material
During heat release so that sizing material is aging, and makes raw material uneven during mixing, therefore used as the vulcanization of butadiene rubber
Its order of addition of agent is critically important, and the addition of sulphur is eventually adding after other raw materials are well mixed in the present invention, specifically adds
Plus order can be described in the preparation method of drive belt primer.
Accelerator is easily disperseed as premature vulcanization retarder, anti-incipient scorch agent and plasticizer in rubber, is not polluted.This hair
The bright accelerator is selected from one or both of accelerant N a-22, altax mixture；Preferably, the accelerant N a-
22 weight portion is 10.5~3 parts, such as 0.5,1,1.5,2,2.5,3 parts；The weight portion of the altax is 0.5~3 part,
Such as 0.5,1,1.5,2,2.5,3 parts.
The addition of reinforcing agent can improve the intensity of drive belt, can also improve the processing characteristics of drive belt, assign it
Good anti-wear performance, tear resistance, heat resistance and cold tolerance, extend its service life.Reinforcing agent of the present invention
It is carbon black N330 and the mixture of white carbon；Preferably, the weight portion of the carbon black N330 be 30~50 parts, such as 30,31,
32nd, 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50 parts；The weight portion of the white carbon
It is 10~30 parts, such as 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
Part.
The age resistor is selected from one or both of N-N- diphenyl-para-phenylene diamines TPPD, antioxidant 4010 mixture；
Preferably, the weight portion of the N-N- diphenyl-para-phenylene diamines TPPD is 1~5 part, such as 1,2,3,4,5 parts；It is described
The weight portion of antioxidant 4010 is 1~5 part, such as 1,2,3,4,5 parts.
The plasticizer is dioctyl phthalate DOP.
The oil is aromatic naphtha, and the present invention passes through between the consumption of regulation oil, the various addition auxiliary agents of reduction and auxiliary agent and height
Frictional force between molecule segment, increases the uniformity of the system purpose cold-resistant to reach finished product drive belt.
Preferably, by weight, the preparing raw material of the cold-resistant drive belt primer includes：
The second object of the present invention is to provide a kind of preparation method of cold-resistant drive belt primer, the preparation method bag
Include following steps：
1) mill is added after the neoprene CR of formula ratio and butadiene rubber BR is mixed, it is stand-by after last volume after bag roller；
2) reinforcing agent of formula ratio and oil are mixed to get blend A, by the magnesia MgO of formula ratio, zinc oxide ZnO,
Accelerator, stearic acid SA, age resistor, plasticizer are mixed to get blend B；
3) by step 1) obtained in blend glue stuff 10~30s of banburying, add formula ratio cold-resistant auxiliary agent, continue banburying 30~
60s, adds blend B, and blend A is added after 30~60s of banburying, continues 1~5min of banburying back glues to mill, then
The sulphur S of formula ratio is added, film is mixed with a mill stand-by；
4) by step 3) obtained in during film adds tri-roll press machine, calendering obtains cold-resistant drive belt primer.
Compared with prior art, beneficial effects of the present invention are：Cold-resistant drive belt primer of the invention, using neoprene rubber
Glue CR is used in mixed way with butadiene rubber BR, is effectively improved the low temperature crystallization phenomenon of CR；Cold-resistant auxiliary agent reduces the beam between strand
Binding force, accelerates the wriggling between segment, improves the anti-crystallization energy of CR；By adjusting between the consumption of oil, reduction filler and filling out
Material and the intersegmental frictional force of macromolecular chain, increase the uniformity of system, obtained drive belt is reached cold-resistant purpose；The present invention
In resist cold auxiliary agent, vulcanizing agent, accelerator, stearic acid, reinforcing agent, age resistor, plasticizer synergy, keep drive belt thing
Rationality can be as on the premise of stretch breaking strength, tearing strength, hardness, elongation rate of tensile failure, improve drive belt in -10 DEG C of temperature jointly
Low temperature anti-crystallization energy under degree, by optimizing raw material and proportioning, has delayed neoprene crystalline polamer at low ambient temperatures,
It is softened at low temperatures without embrittlement, improve service life of the finished product drive belt in environment of extremely trembling with fear.
The preparation method of cold-resistant drive belt primer of the invention, process is simple is applicable to the big of cold-resistant drive belt
Width is produced.
Specific embodiment
Technical scheme is further illustrated below by specific embodiment.
As no specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this area
Obtain.
Embodiment 1
The cold-resistant drive belt primer of the present embodiment, its preparing raw material includes by weight：60 parts of neoprene CR, 40
Part butadiene rubber BR, 5 parts of butyl oleates, 8 parts of ZnO, 5 parts of MgO, 1 part of accelerant N a-22,1 part of altax, 2 parts of stearic acid
SA, 40 parts of carbon blacks, 15 parts of white carbons, 3 parts of antioxidant 4010s, 2 parts of TPPD, 5 parts of DOP, 2 parts of sulphur S, 5 parts of aromatic naphtha.
The preparation method of above-mentioned cold-resistant drive belt primer, comprises the following steps：
1) mill is added after the neoprene CR of formula ratio and butadiene rubber BR is mixed, it is stand-by after last volume after bag roller；
2) reinforcing agent of formula ratio and oil are mixed to get blend A, by the magnesia MgO of formula ratio, zinc oxide ZnO,
Accelerator, stearic acid SA, age resistor, plasticizer are mixed to get blend B；
3) by step 1) obtained in blend glue stuff 10~30s of banburying, add formula ratio cold-resistant auxiliary agent, continue banburying 30~
60s, adds blend B, and blend A is added after 30~60s of banburying, continues 1~5min of banburying back glues to mill, then
The sulphur S of formula ratio is added, film is mixed with a mill stand-by；
4) by step 3) obtained in during film adds tri-roll press machine, calendering obtains cold-resistant drive belt primer.
Embodiment 2
The cold-resistant drive belt primer of the present embodiment, its preparing raw material includes by weight：50 parts of neoprene CR, 50
Part butadiene rubber BR, 4 parts of dibutyl sebacates, 6 parts of ZnO, 5 parts of MgO, 4 parts of accelerant N a-22,2 parts of altaxs, 3 parts of tristearin
Sour SA, 30 parts of carbon blacks, 20 parts of white carbons, 2 parts of antioxidant 4010s, 5 parts of TPPD, 6 parts of DOP, 2 parts of sulphur S, 7 parts of aromatic naphtha.
The preparation method of the cold-resistant drive belt primer of the present embodiment is identical with embodiment 1, will not be repeated here.
Embodiment 3
The cold-resistant drive belt primer of the present embodiment, its preparing raw material includes by weight：70 parts of neoprene CR, 30
Part butadiene rubber BR, 8 parts of dibutyl sebacates, 6 parts of ZnO, 5 parts of MgO, 2 parts of accelerant N a-22,4 parts of altaxs, 3 parts of tristearin
Sour SA, 30 parts of carbon blacks, 10 parts of white carbons, 4 parts of antioxidant 4010s, 7 parts of TPPD, 6 parts of DOP, 1.8 parts of sulphur S, 10 parts of aromatic naphtha.
The preparation method of the cold-resistant drive belt primer of the present embodiment is identical with embodiment 1, will not be repeated here.
Embodiment 4
The cold-resistant drive belt primer of the present embodiment, its preparing raw material includes by weight：60 parts of neoprene CR, 40
Part butadiene rubber BR, 1 part of dibutyl sebacate, 4 parts of butyl oleates, 12 parts of ZnO, 4 parts of MgO, 5 parts of accelerant N a-22,1 part of rush
Enter agent DM, 5 parts of stearic acid SA, 35 parts of carbon blacks, 25 parts of white carbons, 4 parts of antioxidant 4010s, 7 parts of TPPD, 1 part of DOP, 1.6 parts of sulphur
S, 8 parts of aromatic naphtha.
The preparation method of the cold-resistant drive belt primer of the present embodiment is identical with embodiment 1, will not be repeated here.
Comparative example 1
The drive belt primer of this comparative example, its preparing raw material includes by weight：60 parts of neoprene CR, 40 parts of days
Right rubber NR, 5 parts of butyl oleates, 8 parts of ZnO, 5 parts of MgO, 1 part of accelerant N a-22,1 part of altax, 2 parts of stearic acid SA, 40
Part carbon black, 15 parts of white carbons, 3 parts of antioxidant 4010s, 2 parts of TPPD, 5 parts of DOP, 2 parts of sulphur S, 5 parts of aromatic naphtha.
Comparative example 2
The drive belt primer of this comparative example, its preparing raw material includes by weight：100 parts of neoprene CR, 5 parts of oil
Acid butyl ester, 8 parts of ZnO, 5 parts of MgO, 1 part of accelerant N a-22,1 part of altax, 2 parts of stearic acid SA, 40 parts of carbon blacks, 15 parts of hard charcoals
Black, 3 parts of antioxidant 4010s, 2 parts of TPPD, 5 parts of DOP, 5 parts of aromatic naphtha.
Comparative example 3
The drive belt primer of this comparative example, its preparing raw material includes by weight：60 parts of neoprene CR, 40 parts it is suitable
Buna BR, 8 parts of ZnO, 5 parts of MgO, 1 part of accelerant N a-22,1 part of altax, 2 parts of stearic acid SA, 40 parts of carbon blacks, 15 parts it is white
Carbon black, 3 parts of antioxidant 4010s, 2 parts of TPPD, 5 parts of DOP, 2 parts of sulphur S, 5 parts of aromatic naphtha.
Comparative example 4
The drive belt primer of this comparative example, its preparing raw material includes by weight：60 parts of neoprene CR, 40 parts it is suitable
Buna BR, 8 parts of ZnO, 5 parts of MgO, 1 part of accelerant N a-22,1 part of altax, 2 parts of stearic acid SA, 40 parts of carbon blacks, 15 parts it is white
Carbon black, 3 parts of antioxidant 4010s, 2 parts of TPPD, 5 parts of DOP, 2.1 parts of sulphur S, 15 parts of aromatic naphtha.
The drive belt that the primer of embodiment 1-4 and comparative example 1-4 is prepared is respectively in normal temperature, -10 DEG C of temperature
Under park 24h, and stretching tear sample and fatigue testing specimen are stored 7 days in the bent state, the performance of test sample, as a result
As shown in table 1, table 2.
Table 1
Table 2
Under same freezing conditions, rate of change is smaller before and after freezing, illustrates that cold tolerance is better.Can by the data of table 1, table 2
To find out, after being freezed through -10 DEG C, the premise of physical property such as stretch breaking strength, tearing strength, hardness, elongation rate of tensile failure is being kept
Under, resistance to the circumnutating property of drive belt is good, with good low temperature anti-crystallization energy.Resist cold auxiliary agent, vulcanizing agent, rush in the present invention
Enter agent, stearic acid, reinforcing agent, age resistor, plasticizer synergy, keeping drive belt physical property such as stretch breaking strength, tearing
On the premise of resistance to spalling, hardness, elongation rate of tensile failure, low temperature anti-crystallization of the drive belt at a temperature of -10 DEG C is improve jointly
Can, by optimizing raw material and proportioning, delay neoprene crystalline polamer at low ambient temperatures, it is become at low temperatures
It is soft without embrittlement, improve service life of the finished product drive belt in environment of extremely trembling with fear.
Applicant states that the present invention illustrates detailed process equipment of the invention and technological process by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, do not mean that the present invention has to rely on above-mentioned detailed
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
Addition, the selection of concrete mode to the equivalence replacement and auxiliary element of each raw material of product of the present invention etc., all fall within of the invention
Within the scope of protection domain and disclosure.
Claims (10)
1. a kind of cold-resistant drive belt primer, it is characterised in that by weight, the preparation of the cold-resistant drive belt primer is former
Material includes：
2. cold-resistant drive belt primer according to claim 1, it is characterised in that the cold-resistant auxiliary agent is selected from oleic acid fourth
One or both of ester, dibutyl sebacate mixture.
3. cold-resistant drive belt primer according to claim 1 and 2, it is characterised in that the accelerator is selected from accelerator
One or both of Na-22, altax mixture.
4. according to the cold-resistant drive belt primer that one of claim 1-3 is described, it is characterised in that the accelerant N a-22's
Weight portion is 0.5~3 part, and the weight portion of the altax is 0.5~3 part.
5. according to the cold-resistant drive belt primer that one of claim 1-4 is described, it is characterised in that the reinforcing agent is carbon black
The mixture of N330 and white carbon；
Preferably, the weight portion of the carbon black N330 is 30~50 parts, and the weight portion of the white carbon is 10~30 parts.
6. according to the cold-resistant drive belt primer that one of claim 1-5 is described, it is characterised in that the age resistor is selected from N-N-
One or both of diphenyl-para-phenylene diamine TPPD, antioxidant 4010 mixture；
Preferably, the weight portion of the N-N- diphenyl-para-phenylene diamines TPPD is 1~5 part, and the weight portion of the antioxidant 4010 is 1
~5 parts.
7. according to the cold-resistant drive belt primer that one of claim 1-6 is described, it is characterised in that the plasticizer is adjacent benzene two
Formic acid dioctyl ester DOP.
8. according to the cold-resistant drive belt primer that one of claim 1-7 is described, it is characterised in that the oil is aromatic naphtha.
9. according to the cold-resistant drive belt primer that one of claim 1-8 is described, it is characterised in that by weight, described resistance to
The preparing raw material of cold drive belt primer includes：
10. the preparation method of a kind of cold-resistant drive belt primer as described in one of claim 1-9, it is characterised in that described
Preparation method comprises the following steps：
1) mill is added after the neoprene CR of formula ratio and butadiene rubber BR is mixed, it is stand-by after last volume after bag roller；
2) reinforcing agent of formula ratio and oil are mixed to get blend A, by the magnesia MgO of formula ratio, zinc oxide ZnO, are promoted
Agent, stearic acid SA, age resistor, plasticizer are mixed to get blend B；
3) by step 1) obtained in blend glue stuff 10~30s of banburying, add formula ratio cold-resistant auxiliary agent, continue 30~60s of banburying,
Blend B is added, blend A is added after 30~60s of banburying, continue 1~5min of banburying back glues to mill, added
The sulphur S of formula ratio, is mixed with film stand-by on a mill；
4) by step 3) obtained in during film adds tri-roll press machine, calendering obtains cold-resistant drive belt primer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156931.4A CN106905576A (en) | 2017-03-16 | 2017-03-16 | A kind of cold-resistant drive belt primer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156931.4A CN106905576A (en) | 2017-03-16 | 2017-03-16 | A kind of cold-resistant drive belt primer and preparation method thereof |
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| CN106905576A true CN106905576A (en) | 2017-06-30 |
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ID=59186608
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|---|---|---|---|
| CN201710156931.4A Pending CN106905576A (en) | 2017-03-16 | 2017-03-16 | A kind of cold-resistant drive belt primer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112898646A (en) * | 2019-12-04 | 2021-06-04 | 湖南创安防爆电器有限公司 | Sealing rubber ring for explosion-proof motor |
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|---|---|---|---|---|
| JPS5956440A (en) * | 1982-09-27 | 1984-03-31 | Toyo Soda Mfg Co Ltd | Chloroprene rubber composition |
| JPS59122532A (en) * | 1982-12-28 | 1984-07-16 | Kao Corp | Agent for improving freeze resistance of rubber |
| CN1618852A (en) * | 2004-09-21 | 2005-05-25 | 广水市茂鑫特种胶带有限责任公司 | Automobile synchronous belt and its manufacturing method |
| CN105623020A (en) * | 2014-10-31 | 2016-06-01 | 三力士股份有限公司 | Flame-retardant antistatic rubber V belt |
| CN106046462A (en) * | 2016-06-24 | 2016-10-26 | 山东永泰集团有限公司 | Cold-resisting rubber |
-
2017
- 2017-03-16 CN CN201710156931.4A patent/CN106905576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5956440A (en) * | 1982-09-27 | 1984-03-31 | Toyo Soda Mfg Co Ltd | Chloroprene rubber composition |
| JPS59122532A (en) * | 1982-12-28 | 1984-07-16 | Kao Corp | Agent for improving freeze resistance of rubber |
| CN1618852A (en) * | 2004-09-21 | 2005-05-25 | 广水市茂鑫特种胶带有限责任公司 | Automobile synchronous belt and its manufacturing method |
| CN105623020A (en) * | 2014-10-31 | 2016-06-01 | 三力士股份有限公司 | Flame-retardant antistatic rubber V belt |
| CN106046462A (en) * | 2016-06-24 | 2016-10-26 | 山东永泰集团有限公司 | Cold-resisting rubber |
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| Title |
|---|
| 刘登祥: "《氯丁橡胶加工技术》", 31 January 1980 * |
| 周学良: "《精细化工产品手册：橡胶助剂》", 31 March 2002 * |
| 张玉龙: "《橡胶制品配方》", 31 August 2009 * |
| 翁国文: "《实用橡胶配方技术》", 31 May 2008 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112898646A (en) * | 2019-12-04 | 2021-06-04 | 湖南创安防爆电器有限公司 | Sealing rubber ring for explosion-proof motor |
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Application publication date: 20170630 |