CN106867628A - A kind of lubricant composition - Google Patents
A kind of lubricant composition Download PDFInfo
- Publication number
- CN106867628A CN106867628A CN201510918113.4A CN201510918113A CN106867628A CN 106867628 A CN106867628 A CN 106867628A CN 201510918113 A CN201510918113 A CN 201510918113A CN 106867628 A CN106867628 A CN 106867628A
- Authority
- CN
- China
- Prior art keywords
- peroxide
- rubber
- liquid
- butyl
- lubricant composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/22—Peroxides; Ozonides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrile group
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/32—Wires, ropes or cables lubricants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Abstract
The present invention relates to a kind of lubricant composition; the lubricant composition is made up of lubricating grease, liquid rubber, peroxide cross-linking agent; dropping point can be raised significantly the lubricant composition in use; mainly as long-life high dropping point grease; and the anti-rust and lubrication protective agent of steel wire rope, it is also possible to the gap filler as cement gaps such as some buildings such as bridges.
Description
Technical field
The present invention relates to a kind of lubricant composition, belong to field of polymer chemical industry.Lubricating grease group of the invention
Dropping point can be raised significantly compound in use, mainly as long-life high dropping point grease, and
The anti-rust and lubrication protective agent of steel wire rope, it is also possible to the joint filling as cement gaps such as some buildings such as bridges
Agent.
Background technology
Lubricating grease is a kind of conventional semisolid lubricants, for the friction portion of machinery, plays lubrication and seals
Effect, is also used for metal surface, plays filling space and anti-rust action, and common is mainly used in wirerope surface,
Play lubrication steel wire and anti-rust action.It is general require lubricating grease using preceding with preferable mobility, i.e., easily
In smearing, it is easy to be added to regions of lubrication, while require that it has titre higher during making, even if
With long lifespan, not easily run off.Prior art obtains drop higher generally by the consumption for increasing thickening agent
Degree, but lubricating grease its mobility that this mode is obtained is poor.
CN201510230077 refer to a kind of titanium-based high dropping point grease composition and preparation method, mainly
Feature is reacted using tetrabutyl titanate in densification；CN201410576277 refer to one kind
Auto pump bearing grease composition and preparation method, it is mainly included：(1) thickening agent 5-18%, be
Compound lithium soap；(2) base oil 75-90%；(3) additive 2-7%, feature is that the lubricating grease for producing has
Dropping point higher, good mechanical stability while being conducive to lubricating grease to use in high temperature environments, is protected
Demonstrate,prove it and be not lost in and play good sealing function；With good wear-resistant and bearing capacity.
CN201310736769 improves a kind of preparation method of complex lithium grease, and it is characterized by changing
Become the adding technology of boric acid, improve the dropping point and anti-wear and wear-resistant performance of complex lithium grease, can be
Temperature in use is higher than 260 DEG C, and PB values meet the requirement of lubrication under the harsh conditions more than 980N.
CN201310478740 refer to a kind of Zinc-plated Wire Rope Grease, and its feature is the Zinc-plated Wire Rope Grease for providing
The dropping point and adhesiveness of rope grease more originally increase, and are improved lubricating grease trickling phenomenon,
Steel wire rope is more soft, and with good stringiness and plasticity.
The method that above prior art refer to the dropping point for improving lubricating grease, these methods are by improving
The mode of thickening system improves the dropping point of lubricating grease, and uses liquid rubber to form the method for crosslinking in existing skill
Report is had no in art.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of lubricant composition, said composition is included
Lubricating grease, liquid rubber, peroxide cross-linking agent, and the full and uniform dispersion of each component.Said composition
Dropping point can significantly be raised during lubricating and protecting metal and blind so that lubricating grease no longer flows
Dynamic, filling and lubrication protection time limit greatly improve.
Lubricant composition of the present invention is made up of lubricating grease, liquid rubber, peroxide cross-linking agent.
Lubricating grease of the present invention is lithium base grease, calcium-base grease.
Liquid rubber of the present invention and lubricating grease can be 0.02 according to mass ratio：1-10：1 ratio is mixed
Close, the mixed proportion of preferred liquid rubber and lubricating grease is 0.2：1-3：1 (mass ratio).
The consumption of peroxide cross-linking agent of the present invention accounts for the 0.1-5% of liquid rubber gross mass, preferably
0.5-3%.
Liquid rubber of the present invention is unsaturated liquid rubber of the number average molecular 2000 to 50000
Glue product, can be selected from liquid butadiene rubber, liquid isoprene rubber, liquid butadiene/isoamyl two
Olefinic copolymer rubber, the liquid butadiene rubber with acrylic modified end group, hydroxy-end capped liquid
Butadiene rubber and hydroxy-end capped liquid isoprene rubber, LNBR, end carboxyl nitrile (HTBN)
One or more in rubber, liquid styrene butadiene rubber, preferred liquid nitrile rubber and liquid butadiene rubber.
Peroxide cross-linking agent of the present invention is selected from the peroxide containing dialkyl, peroxide esterification
Compound, two ring ethyl ketone peroxide or its mixture, wherein, the peroxide containing dialkyl can be with
Be cumyl peroxide, di-tert-butyl peroxide, di-t-butyl peroxide -3,3,5- trimethyl-cyclohexanes,
2-methyl-2-phenylpropane cumyl peroxide, two t-amyl peroxy compounds, tert-butyl hydroperoxide, 2,5- diformazans
Base -2,5- double (t-butyl peroxy) acetylene, 2,5- dimethyl -2,5- bis- (benzene first peroxide) ethane, peroxy esters
Compound, for example, can be peroxide acetic acid butyl ester, peroxidating tert-butyl isobutyrate, peroxidating neodecanoic acid
The tert-butyl ester, peroxidized t-butyl perbenzoate, phthalic peroxide di tert butyl carbonate, 1,1- pair-tert-butyl group mistake
Oxygen -3, preferably 3,5- trimethyl-cyclohexanes, peroxidating tert-butyl isobutyrate, new peroxide tert-butyl caprate.
Lubricant composition of the present invention can be prepared using the following method：Lubricating grease and liquid rubber are entered
Row is sufficiently mixed, is added to peroxide cross-linking agent in the mixed system of lubricating grease and liquid rubber, goes forward side by side
Row it is secondary is sufficiently mixed, now composition still have good mobility, you can pumped, joint filling, painting
The constructing operations such as wirerope are smeared, and grease dropping point is significantly raised after hardening time.
Of the present invention being sufficiently mixed can be mixed using high mixer, it is also possible to be carried out using mixing kettle
Mixing, it is also possible to use any hybrid mode of the prior art.
Construction of the present invention by lubricating grease including being applied to the metal device that steel wire rope etc. need to lubricate and protect
On, lubricating grease is filled into the gap that bridge expanssion joint etc. need to be filled.
Using technical solutions according to the invention, it is made up of unsaturated solution body rubber, lubricating grease, peroxide
Lubricant composition after construction, liquid rubber in the presence of peroxide short vulcanization crosslinking, formed
Tridimensional network, declines the mobility of whole system, and dropping point is quickly raised so that the use of lubricating grease
Life-span is improved.
The method have the characteristics that：
1. liquid rubber, peroxide cross-linking agent are added in lubricant composition, and peroxide crosslinking is lived
Property it is high, liquid rubber can short vulcanization crosslinking, solidification effect substantially, grease dropping point is raised rapidly, is had
Effect prevents the lubricating grease from need to protecting loss on metal or from the loss in filling irrigating sealant.
2. easy construction, the liquid rubber for being added and crosslinking agent will not cause that the viscosity of lubricating grease rises,
Mobility will not decline simultaneously, do not influence to pump and construct.
3. preparation method is simple, it is only necessary to which simple mixing apparatus can production.
Specific embodiment
The present invention can with but be not limited only to following scheme and implemented.The dropping point of lubricating grease presses GB/T4929-85
Grease dropping point determination method is carried out.
It is that technical specification is GB/T that No. 1 lithium base grease is preced with Tianjin Tianjin that the embodiment of the present invention is used
The dropping point of 7324-2010 is 181 DEG C of universal lithium base grease, and it is skill that No. 2 lithium base greases are preced with Tianjin Tianjin
Art specification is the universal lithium base grease that the dropping point of GB/T 7324-2010 is 188 DEG C, and Tianjin Tianjin is preced with No. 3
Lithium base grease is the universal lithium base grease that the dropping point that technical specification is GB/T 7324-2010 is 193 DEG C,
It is that the dropping point that technical specification is GB/T 491-2008 is 108 DEG C general that No. 3 calcium-base grease are preced with Tianjin Tianjin
Calcium-base grease.LNBR used by the embodiment of the present invention refers to the breast of molecular weight about 4000 or so
Poly- nitrile rubber, liquid polybutadiene rubber used refers to that molecular weight is about 3000 or so and contains intermingle with poly- fourth
Diene rubber.
" part " of the present invention each means mass parts.
Embodiment 1
No. 1 100 parts of lithium base grease is preced with Tianjin Tianjin, 20 parts of liquid polybutadiene rubber is inserted in beaker
Stirred to homogeneous using agitator, add 0.1 part of new peroxide tert-butyl caprate, continued to stir to equal
It is stand-by after even mixing.
Comparative example 1-1
No. 1 100 parts of lithium base grease is preced with Tianjin Tianjin, is inserted in beaker and is stirred to homogeneous using agitator,
0.1 part of new peroxide tert-butyl caprate is added, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 1-2
No. 1 100 parts of lithium base grease is preced with Tianjin Tianjin, 20 parts of liquid polybutadiene rubber is inserted in beaker
Stirred to stand-by after homogeneous using agitator.
Embodiment 2
No. 2 100 parts of lithium base greases are preced with Tianjin Tianjin, 300 parts of liquid polybutadiene rubber is placed on mixed at a high speed
Carry out being fully mixed in clutch it is homogeneous, add 6 parts peroxidating tert-butyl isobutyrate and 0.1 part of mistake
The oxidation neodecanoic acid tert-butyl ester, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 2-1
Tianjin Tianjin No. 2 100 parts of lithium base greases of hat are placed in super mixer be fully mixed to
Phase, adds 6 parts of peroxidating tert-butyl isobutyrate and 0.1 part of new peroxide tert-butyl caprate, continues
It is stirred until homogeneous stand-by after mixing.
Comparative example 2-2
No. 2 100 parts of lithium base greases are preced with Tianjin Tianjin, 300 parts of liquid polybutadiene rubber is placed on mixed at a high speed
It is stand-by after carrying out being fully mixed to homogeneously in clutch.
Embodiment 3
No. 3 100 parts of lithium base greases are preced with Tianjin Tianjin, 150 parts of liquid polybutadiene rubber is placed on mixed at a high speed
Carry out being fully mixed to homogeneously in clutch, add 4.5 parts of peroxidating tert-butyl isobutyrate, continue to stir
It is stand-by after to uniform mixing.
Comparative example 3-1
Tianjin Tianjin No. 3 100 parts of lithium base greases of hat are placed in super mixer be fully mixed to
Phase, adds 4.5 parts of peroxidating tert-butyl isobutyrate, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 3-2
No. 3 100 parts of lithium base greases are preced with Tianjin Tianjin, 150 parts of liquid polybutadiene rubber is placed on mixed at a high speed
It is stand-by after carrying out being fully mixed to homogeneously in clutch.
Embodiment 4
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, 60 parts of liquid polybutadiene rubber is inserted in beaker
Stirred to homogeneous using agitator, add 0.3 part of new peroxide tert-butyl caprate, continued to stir to equal
It is stand-by after even mixing.
Comparative example 4-1
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, is inserted in beaker and is stirred to homogeneous using agitator,
0.3 part of new peroxide tert-butyl caprate is added, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 4-2
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, 60 parts of LNBR is inserted in beaker and used
Agitator is stirred to stand-by after homogeneous.
Embodiment 5
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, 20 parts of LNBR is inserted in beaker and used
Agitator is stirred to homogeneous, adds 0.3 part of new peroxide tert-butyl caprate, continues to be stirred until homogeneous mixed
It is stand-by after conjunction.
Comparative example 5-1
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, is inserted in beaker and is stirred to homogeneous using agitator,
0.3 part of new peroxide tert-butyl caprate is added, continues to be stirred until homogeneous stand-by after mixing
Comparative example 5-2
No. 1 100 parts of calcium-base grease is preced with Tianjin Tianjin, 20 parts of LNBR is inserted in beaker and used
Agitator is stirred to stand-by after homogeneous.
Embodiment 6
No. 1 100 parts of lithium base grease, 20 parts of liquid polybutadiene rubber and nitrile (HTBN) are preced with Tianjin Tianjin
10 parts of rubber is inserted in beaker and stirred to homogeneous using agitator, adds 0.1 part of peroxidating neodecanoic acid
The tert-butyl ester, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 6-1
No. 1 100 parts of lithium base grease is preced with Tianjin Tianjin, is inserted in beaker and is stirred to homogeneous using agitator,
0.1 part of new peroxide tert-butyl caprate is added, continues to be stirred until homogeneous stand-by after mixing.
Comparative example 6-2
No. 1 100 parts of lithium base grease, 20 parts of liquid polybutadiene rubber and nitrile (HTBN) are preced with Tianjin Tianjin
10 parts of rubber is inserted in beaker and stirred to stand-by after homogeneous using agitator.
Obtained lubricant oil composite dropping point is measured by GB/T4929-85 grease dropping points determination method,
Implementation result is as shown in table 1.
The implementation result of table 1
| Sample | Dropping point (DEG C) |
| Embodiment 1 | 248 |
| Comparative example 1-1 | 181 |
| Comparative example 1-2 | 186 |
| Embodiment 2 | 332 |
| Comparative example 2-1 | 188 |
| Comparative example 2-2 | 201 |
| Embodiment 3 | 298 |
| Comparative example 3-1 | 193 |
| Comparative example 3-2 | 199 |
| Embodiment 4 | 135 |
| Comparative example 4-1 | 82 |
| Comparative example 4-2 | 95 |
| Embodiment 5 | 121 |
| Comparative example 5-1 | 80 |
| Comparative example 5-2 | 85 |
| Embodiment 6 | 258 |
| Comparative example 6-1 | 181 |
| Comparative example 6-2 | 190 |
Certainly, the present invention can also have other various embodiments, without departing substantially from spirit of the invention and its essence
In the case of, those of ordinary skill in the art can make various corresponding changes and change according to the present invention
Shape, but these corresponding changes and deformation should all belong to the protection domain of the claims in the present invention.
Claims (9)
1. a kind of lubricant composition, it is characterised in that the composition by lubricating grease, liquid rubber,
Peroxide cross-linking agent is constituted.
2. lubricant composition according to claim 1, it is characterised in that the lubricating grease is lithium
Base grease, calcium-base grease.
3. lubricant composition according to claim 1, it is characterised in that the liquid rubber and
Lubricating grease is 0.02 according to mass ratio：1-10：1 ratio mixing, preferred liquid rubber and lubricating grease it is mixed
Composition and division in a proportion example is mass ratio 0.2：1-3：1.
4. lubricant composition according to claim 1, it is characterised in that the peroxide is handed over
The consumption for joining agent accounts for the 0.1-5%, preferably 0.5-3% of liquid rubber gross mass.
5. lubricant composition according to claim 1, it is characterised in that the liquid rubber is
Unsaturated solution body rubber of the number-average molecular weight 2000 to 50000.
6. lubricant composition according to claim 1, it is characterised in that the liquid rubber choosing
From liquid butadiene rubber, liquid isoprene rubber, liquid butadiene/isoprene copolymer rubber,
Liquid butadiene rubber with acrylic modified end group, hydroxy-end capped liquid butadiene rubber and hydroxyl
Liquid isoprene rubber, LNBR, carboxyl end of the liquid acrylonitrile-butadiene rubber, the liquid butylbenzene of base end-blocking
One or more in rubber, preferred liquid nitrile rubber and liquid butadiene rubber.
7. lubricant composition according to claim 1, it is characterised in that the peroxide is handed over
Connection agent be selected from containing the peroxide of dialkyl, peroxide ester compounds, two ring ethyl ketone peroxide or its
Mixture.
8. lubricant composition according to claim 7, it is characterised in that described containing peroxidating
The peroxide of dialkyl group is selected from cumyl peroxide, di-tert-butyl peroxide, di-t-butyl peroxide
- 3,3,5- trimethyl-cyclohexanes, 2-methyl-2-phenylpropane cumyl peroxide, two t-amyl peroxy compounds, the tert-butyl group
Hydroperoxides, 2,5- dimethyl -2,5- double (t-butyl peroxy) acetylene, (benzene of 2,5- dimethyl -2,5- two
First peroxide) ethane.
9. lubricant composition according to claim 7, it is characterised in that described peroxide esterification
Compound is selected from peroxide acetic acid butyl ester, peroxidating tert-butyl isobutyrate, new peroxide tert-butyl caprate, mistake
Aoxidize t-butyl perbenzoate, phthalic peroxide di tert butyl carbonate, 1,1- couple-t-butyl peroxy -3,3,5- three
Hexahydrotoluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918113.4A CN106867628A (en) | 2015-12-10 | 2015-12-10 | A kind of lubricant composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918113.4A CN106867628A (en) | 2015-12-10 | 2015-12-10 | A kind of lubricant composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106867628A true CN106867628A (en) | 2017-06-20 |
Family
ID=59177019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918113.4A Pending CN106867628A (en) | 2015-12-10 | 2015-12-10 | A kind of lubricant composition |
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| Country | Link |
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| CN (1) | CN106867628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019190620A1 (en) * | 2018-03-26 | 2019-10-03 | Fina Technology, Inc. | Curable low sulfur liquid rubber compositions and methods of manufacturing the same |
| US11078349B2 (en) | 2019-04-24 | 2021-08-03 | Fina Technology, Inc. | Curable low sulfur liquid rubber compositions |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861673A (en) * | 2005-03-24 | 2006-11-15 | 莱茵化学莱茵瑙有限公司 | Microgels and thickening agents-containing compositions |
| CN103347989A (en) * | 2010-12-06 | 2013-10-09 | Skf公司 | Polymer thickened grease compositions and their use |
| JP2013227438A (en) * | 2012-04-26 | 2013-11-07 | Mitsui Chemicals Inc | Lubricant composition |
-
2015
- 2015-12-10 CN CN201510918113.4A patent/CN106867628A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861673A (en) * | 2005-03-24 | 2006-11-15 | 莱茵化学莱茵瑙有限公司 | Microgels and thickening agents-containing compositions |
| CN103347989A (en) * | 2010-12-06 | 2013-10-09 | Skf公司 | Polymer thickened grease compositions and their use |
| JP2013227438A (en) * | 2012-04-26 | 2013-11-07 | Mitsui Chemicals Inc | Lubricant composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019190620A1 (en) * | 2018-03-26 | 2019-10-03 | Fina Technology, Inc. | Curable low sulfur liquid rubber compositions and methods of manufacturing the same |
| US10633513B2 (en) | 2018-03-26 | 2020-04-28 | Fina Technology, Inc. | Curable low sulfur liquid rubber compositions and methods of manufacturing the same |
| CN111902475A (en) * | 2018-03-26 | 2020-11-06 | 飞纳技术有限公司 | Curable low sulfur liquid rubber composition and method of making same |
| CN111902475B (en) * | 2018-03-26 | 2023-03-21 | 飞纳技术有限公司 | Curable low sulfur liquid rubber composition and method of making same |
| US11078349B2 (en) | 2019-04-24 | 2021-08-03 | Fina Technology, Inc. | Curable low sulfur liquid rubber compositions |
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Application publication date: 20170620 |