CN114163760B - Acrylic rubber composition and application thereof - Google Patents
Acrylic rubber composition and application thereof Download PDFInfo
- Publication number
- CN114163760B CN114163760B CN202010948538.0A CN202010948538A CN114163760B CN 114163760 B CN114163760 B CN 114163760B CN 202010948538 A CN202010948538 A CN 202010948538A CN 114163760 B CN114163760 B CN 114163760B
- Authority
- CN
- China
- Prior art keywords
- acrylate rubber
- rubber composition
- coupling agent
- composition according
- parts
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 89
- 229920000058 polyacrylate Polymers 0.000 title claims description 28
- 229920000800 acrylic rubber Polymers 0.000 title claims description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 149
- 239000005060 rubber Substances 0.000 claims abstract description 145
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 128
- 239000007822 coupling agent Substances 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 15
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000004073 vulcanization Methods 0.000 claims description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 20
- -1 amine benzoate Chemical group 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 229910021389 graphene Inorganic materials 0.000 claims description 14
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 13
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 12
- 229930185605 Bisphenol Natural products 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- AAAKDZYIEIJQFP-UHFFFAOYSA-N 9-phenylnon-8-ene-1,6-diamine Chemical group C(C=CC1=CC=CC=C1)C(CCCCCN)N AAAKDZYIEIJQFP-UHFFFAOYSA-N 0.000 claims description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 8
- MFEVGQHCNVXMER-UHFFFAOYSA-L 1,3,2$l^{2}-dioxaplumbetan-4-one Chemical compound [Pb+2].[O-]C([O-])=O MFEVGQHCNVXMER-UHFFFAOYSA-L 0.000 claims description 7
- 229910000003 Lead carbonate Inorganic materials 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 229910000464 lead oxide Inorganic materials 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 6
- WZRRRFSJFQTGGB-UHFFFAOYSA-N 1,3,5-triazinane-2,4,6-trithione Chemical compound S=C1NC(=S)NC(=S)N1 WZRRRFSJFQTGGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
- 229910052731 fluorine Inorganic materials 0.000 claims 2
- 239000011737 fluorine Substances 0.000 claims 2
- XSQHUYDRSDBCHN-UHFFFAOYSA-N 2,3-dimethyl-2-propan-2-ylbutanenitrile Chemical compound CC(C)C(C)(C#N)C(C)C XSQHUYDRSDBCHN-UHFFFAOYSA-N 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 8
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000612182 Rexea solandri Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- NRCSJPUCBTUPDG-UHFFFAOYSA-N benzyl-chloro-triphenyl-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(Cl)(C=1C=CC=CC=1)CC1=CC=CC=C1 NRCSJPUCBTUPDG-UHFFFAOYSA-N 0.000 description 1
- ZFVMWEVVKGLCIJ-UHFFFAOYSA-N bisphenol AF Chemical group C1=CC(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C=C1 ZFVMWEVVKGLCIJ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- NIAGBSSWEZDNMT-UHFFFAOYSA-M tetraoxidosulfate(.1-) Chemical compound [O]S([O-])(=O)=O NIAGBSSWEZDNMT-UHFFFAOYSA-M 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 229910006636 γ-AlOOH Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of acrylate rubber, and discloses a high-heat-conductivity oil-resistant acrylate rubber composition, which comprises the following components in percentage by weight: 100 parts of acrylate rubber, 20-40 parts of fluororubber, 3-5 parts of coupling agent, 1-3 parts of vulcanizing agent, 1-3 parts of auxiliary accelerator, 1-3 parts of anti-aging agent and 35-80 parts of composite filler; wherein the acrylate rubber comprises 10-30wt% of comb-type acrylate rubber. The rubber composition not only has excellent oil resistance, but also has excellent thermal conductivity, and the rubber composition can be used for a long time at high temperature.
Description
Technical Field
The invention relates to acrylate rubber, in particular to an acrylate rubber composition and application thereof.
Background
The acrylate rubber is an elastomer obtained by copolymerizing acrylate serving as a main monomer, the main chain of the elastomer is a saturated carbon chain, and the side group of the elastomer is a polar ester group, so that the elastomer has excellent performances of heat resistance, ageing resistance, oil resistance, ozone resistance, ultraviolet resistance and the like. It has heat resistance as silicone rubber and fluororubber and oil resistance as fluororubber, epichlorohydrin rubber and nitrile rubber. It can be used for automobile parts requiring heat resistance and lubrication oil resistance, such as oil seal parts. However, because the oil seal is used in part of the high-temperature field, the existing oil seal is difficult to meet the long-time use requirement at high temperature, and the replacement period is short.
Disclosure of Invention
The invention aims to solve the problem that the acrylate rubber in the prior art cannot be used for a long time at high temperature, and provides an acrylate rubber composition which not only has excellent oil resistance, but also has excellent thermal conductivity and can be used for a long time at high temperature.
In order to achieve the above object, a first aspect of the present invention provides an acrylate rubber composition characterized in that the acrylate rubber composition comprises: 100 parts of acrylate rubber, 20-40 parts of fluororubber, 3-5 parts of coupling agent, 1-3 parts of vulcanizing agent, 1-3 parts of auxiliary accelerator, 1-3 parts of anti-aging agent and 35-80 parts of filler;
wherein the acrylate rubber comprises 10-30wt% of comb-type acrylate rubber.
In a second aspect, the present invention provides a process for producing an acrylate rubber using the acrylate composition of the present invention, characterized in that the process comprises:
(1) Preparation of the rubber compound: sequentially adding acrylate rubber, fluororubber, auxiliary accelerator, filler, coupling agent, anti-aging agent and vulcanizing agent into mixing equipment for mixing to obtain a rubber compound;
(2) Preparation of acrylate rubber: and (3) carrying out primary vulcanization on the mixed rubber on a plate vulcanizing machine, and then carrying out secondary vulcanization in an oven to obtain the acrylate rubber.
In a third aspect, the present invention provides an acrylate rubber made by the process of the present invention.
A fourth aspect of the present invention provides the use of the acrylate rubber composition or the acrylate rubber of the present invention in at least one of an oil seal, a gasket and a hose.
Through the technical scheme, the high-heat-conductivity oil-resistant acrylate rubber composition and the application thereof provided by the invention have the following beneficial effects:
the high-heat-conductivity oil-resistant acrylate rubber composition provided by the invention comprises specific types and amounts of components, and all the components are mutually cooperated and matched to obtain the acrylate rubber composition with excellent heat conductivity and high temperature resistance.
Furthermore, the acrylate rubber composition provided by the invention can be used for a long time at high temperature, and meets the requirements of oil seals, sealing gaskets, hoses and the like.
Detailed Description
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
The first aspect of the present invention provides an acrylic rubber composition characterized in that the acrylic rubber composition comprises: 100 parts of acrylate rubber, 20-40 parts of fluororubber, 3-5 parts of coupling agent, 1-3 parts of vulcanizing agent, 1-3 parts of auxiliary accelerator, 1-3 parts of anti-aging agent and 35-80 parts of filler;
wherein the acrylate rubber comprises 10-30wt% of comb-type acrylate rubber.
According to the invention, the acrylate rubber and the fluororubber containing the comb-type acrylate rubber are adopted as the base rubber components and are matched with other components with specific dosages, such as a coupling agent, a vulcanizing agent, an auxiliary accelerator, an anti-aging agent and a composite filler, so that the obtained rubber composition has excellent high temperature resistance and oil resistance, can be used at high temperature for a long time, and meets the requirements of the fields of oil seals and the like. In particular, the introduction of the fluororubber further improves the oil resistance of the acrylate rubber composition, and prolongs the service life and sealing effect of the composition.
Furthermore, in the invention, the addition of the coupling agent can obviously improve the interaction between components such as the composite filler and the acrylate rubber, so that the components of the acrylate rubber composition are contacted more stably, and finally the composition is excellent in high temperature resistance and oil resistance.
According to the present invention, the acrylate rubber composition comprises: 100 parts of acrylate rubber, 25-35 parts of fluororubber, 3-5 parts of coupling agent, 1.5-2.5 parts of vulcanizing agent, 1.5-2.5 parts of auxiliary accelerator, 1.5-2.5 parts of anti-aging agent and 35-70 parts of filler;
wherein the acrylate rubber comprises 10-20wt% of comb-type acrylate rubber.
In the present invention, the acrylate rubber may be an acrylate rubber conventional in the art, and for example, may be at least one selected from the group consisting of an active chlorine type acrylate rubber, an epoxy type acrylate rubber, and a carboxylic acid type acrylate rubber.
According to the invention, the filler comprises alumina and graphene.
In the invention, the inventor researches and discovers that the filler comprising alumina and graphene can rapidly conduct out the heat of the acrylate rubber composition, so that the composition can still keep good performance at a higher temperature, and the high temperature resistance of the composition is improved.
Further, the inventors have found that the use of acicular alumina can further increase the directional heat transfer rate and thus improve the high temperature resistance of the composition.
According to the invention, the weight ratio of the needle-shaped alumina to the graphene is 6-12:1.
In the present invention, in order to improve the high temperature resistance of the composition, the weight ratio of the needle-like alumina to the graphene was studied, and it was revealed that when the weight ratio of the needle-like alumina to the graphene satisfies the above range, the obtained acrylate rubber composition has more excellent high temperature resistance and other comprehensive properties.
Still further, the weight ratio of needle-like alumina to graphene is preferably 7-10:1.
According to the invention, the length of the acicular alumina is 50-1000nm, preferably 60-500nm; the aspect ratio is 10-100:1, preferably 12-50:1.
According to the invention, the graphene has a diameter of < 6 μm and a thickness of < 10 layers.
In the invention, the comb-shaped acrylic rubber is acrylic rubber obtained by grafting specific active groups on side chains of acrylic rubber.
According to the present invention, the comb-shaped acrylate rubber is at least one selected from the group consisting of acrylate rubber having a side chain grafted with a phenolic hydroxyl group, acrylate rubber having a side chain grafted with polyurethane, and acrylate rubber having a side chain grafted with a fluorine group, and is preferably acrylate rubber having a side chain grafted with a phenolic hydroxyl group.
In the comb-type acrylate rubber, the grafting rate of the side chain grafted active group is 10-20wt%. In the invention, the grafting rate is measured by an extraction experiment.
In the invention, the inventor researches and discovers that when comb-type acrylic ester with a side chain grafted with active groups is used as matrix rubber, the active groups of the side chain of the comb-type acrylic ester can improve the interaction of acrylic ester rubber molecular chains, so that the comprehensive performance of the composition is improved.
Furthermore, the active groups on the side chains of the acrylate rubber molecules grafted with the active groups on the side chains can realize the co-crosslinking of the fluororubber and the acrylate rubber, and the interaction between rubber molecular chains is enhanced, so that the molecular chains are mutually entangled into a net structure, and the comprehensive performance of the composition is further improved.
According to the present invention, the vulcanizing agent is at least one selected from bisphenol AF-benzyl triphenyl phosphorus chloride, N-secondary cinnamyl-1, 6-hexanediamine, a mixture of N, N-secondary cinnamyl-1, 6-hexanediamine and amine benzoate, a mixture of hexanediamine carbamate and amine benzoate, and 2,4, 6-trimercapto-s-triazine, preferably bisphenol AF-benzyl triphenyl phosphorus chloride.
According to the present invention, the coupling agent is at least one selected from the group consisting of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent and an epoxysilane agent, and is preferably an aminosilane coupling agent.
In the present invention, the coupling agent may be a coupling agent conventional in the art, for example, A-1100, A-1110, 1-1120, A-1130, KBM-602, nanra-42, nanra-73.
According to the present invention, the auxiliary accelerator is at least one selected from the group consisting of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide and lead carbonate.
In the present invention, the anti-aging agent may be an anti-aging agent conventional in the art, and for example, may be at least one of 4,4 '-bis (α.α -dimethylbenzyl) diphenylamine (antioxidant 445), 2-acetonediphenyl reaction product (anti-aging agent BLE), and 4,4' -bis (α.α -dimethylbenzyl) diphenylamine (antioxidant 616).
In a second aspect, the present invention provides a process for producing an acrylate rubber using the acrylate composition of the present invention, characterized in that the process comprises:
sequentially adding acrylate rubber, fluororubber, auxiliary accelerator, filler, coupling agent, anti-aging agent and vulcanizing agent into mixing equipment for mixing to obtain a rubber compound;
(2) Preparation of acrylate rubber: and (3) carrying out primary vulcanization on the mixed rubber on a plate vulcanizing machine, and then carrying out secondary vulcanization in an oven to obtain the acrylate rubber.
According to the invention, the components are mixed according to the feeding sequence defined by the invention to prepare the rubber compound, so that the components in the acrylate composition are fully dispersed, and the prepared acrylate rubber has excellent high temperature resistance, oil resistance and mechanical properties, can be used at high temperature for a long time, and meets the requirements of the fields of oil seals and the like.
In the present invention, the kneading apparatus may be at least one of a conventional kneading apparatus in the art, such as an open mill, an internal mixer, and a hake rheometer.
According to the invention, the conditions of the one-stage vulcanization include: the vulcanization temperature is 165-175 ℃, the vulcanization pressure is 10-20MPa, and the vulcanization time is t90+5 minutes.
In the invention, t90 refers to the positive vulcanization time of the acrylate rubber composition, and is measured by a rubber vulcanizing instrument.
According to the invention, the conditions of the two-stage vulcanization include: the vulcanization temperature is 195-205 ℃, and the vulcanization time is 4.5-5.5h.
In a third aspect, the present invention provides an acrylate rubber made by the process of the present invention.
A fourth aspect of the present invention provides the use of the acrylate rubber composition or the acrylate rubber of the present invention in at least one of an oil seal, a gasket and a hose.
The present invention will be described in detail by examples. In the following examples of the present invention,
t90 of the acrylate rubber composition was tested using a rubber vulcanizer;
the thermal conductivity of the acrylate rubber is measured by using a GB/T11205-2009 method;
the mechanical properties of the acrylate rubber are measured by using a GB/T528-2009 method;
the oil resistance of the acrylate rubber under high temperature conditions was measured by the following method:
the oil resistance test of the acrylate rubber is carried out according to GB/T1690-92, and the oil resistance test adopts ASTM3# standard oil, and the test conditions are as follows: 150 ℃ for 72h;
the acrylic rubber A1 is active chlorine acrylic rubber with the trademark of AC purchased from Cao corporation;
the acrylate rubber A2 is AR72 of Japanese rayleigh company;
the comb-type acrylate rubber B1 is acrylic ester with side chain grafted with phenolic hydroxyl, and is self-made, and the specific preparation method comprises the following steps: 300g of acrylate rubber is placed in a flask, dissolved with a proper amount of toluene, added with 40g of silane coupling agent KH570 and stirred for 30 minutes; 10g of initiator benzoyl peroxide is added and reacted for 1 hour at 90 ℃; 3g of zinc stearate is added; 231.5g bisphenol A was added and the condensation reaction was continued for 1 hour at 90 ℃; evaporating the solvent and drying to obtain acrylate rubber (PHACM) with side chain grafted with phenolic hydroxyl, wherein the grafting rate of the phenolic hydroxyl is 18wt%;
the comb-type acrylic rubber B2 is acrylic ester of side chain grafted polyurethane, and is self-made, and the specific preparation method comprises the following steps: respectively adding the calculated amount of hydroxyl-containing polyacrylate and single-end NCO group polyurethane prepolymer into a four-mouth bottle, adding dibutyltin dilaurate accounting for 0.3wt% of the total solid, uniformly stirring, heating to 78 ℃ for heat preservation reaction for 10 hours, and obtaining acrylic ester of side chain grafted polyurethane, wherein the grafting rate of the polyurethane is 20wt%;
fluororubber is 2603 type of morning light institute of Sichuan;
the graphene is industrial grade graphene of organic chemistry limited company of China academy of sciences, the diameter is less than 6 mu m, and the thickness is less than 10 layers;
the alumina I is acicular alumina, and is self-made, and the specific preparation method comprises the following steps: dropwise adding ammonia water to Al 2 (SO 4 ) 3 In aqueous solution, a precipitate forms until ph=9. Washing with deionized water after precipitation separation to remove sulfate radical and ammonium ion, thus obtaining a precursor; putting the precursor into an autoclave, adding a proper amount of deionized water, carrying out hydrothermal treatment at a certain temperature and pH value to obtain acicular gamma-AlOOH, taking out of the autoclave, carrying out centrifugal separation, washing 3 times with deionized water, washing 3 times with absolute ethyl alcohol, adding an ethanol solution of aluminum isopropoxide, and evaporating at room temperature. Grinding the dried product, placing the ground product into a crucible for calcination, and then cooling along with a furnace to obtain a powder product, wherein the length is 150nm, and the length-diameter ratio is 12:1;
the alumina II is spherical alumina, and is spherical alumina micropowder purchased from Jiangsu-associated New Material Co., ltd;
methoxyacyl peroxide was purchased from aledine;
dibutyl tin dilaurate is purchased as a product of a metallocene chemical reagent plant in Tianjin;
the coupling agent is KH550 and KH570 of Nanjing product coupling agent Co., ltd;
the vulcanizing agent is bisphenol AF and benzyl triphenyl phosphorus chloride of DuPont company product company in U.S.A.;
the auxiliary accelerator is calcium hydroxide of a voxian vone city reagent factory in Shanghai city;
the anti-aging agent is 4,4' -bis (alpha. Alpha-dimethylbenzyl) diphenylamine of Shanghai forest chemical company.
Examples
The formulations of the acrylate rubber compositions A1 to A9 and D1 to D5 provided in examples 1 to 9 and comparative examples 1 to 5 are shown in Table 1.
Table 1 (weight portions)
Preparation example
Mixing the components according to the formula shown in Table 1 to obtain a mixed rubber; the rubber compound is vulcanized in a vulcanizing machine for one section, and the conditions of the one section vulcanization are as follows: the temperature is 170 ℃, the pressure is 15MPa, the vulcanization time is t90+5 minutes, the two-stage vulcanization is carried out in an oven, and the vulcanization condition is 200 ℃ multiplied by 5 hours. The rubber products S1-S8 and DS1-DS6 are prepared. The rubber products S1 to S8 and DS1 to DS6 were tested for their properties, and the test results are shown in Table 2.
TABLE 2
As can be seen from the results of table 1, the acrylate rubbers prepared from the acrylate compositions provided in examples 1 to 9 of the present invention have excellent thermal conductivity and mechanical properties, and at the same time, the acrylate rubbers have excellent oil resistance under high temperature conditions.
It should be noted that the above-described embodiments are only for explaining the present invention and do not constitute any limitation of the present invention. The invention has been described with reference to exemplary embodiments, but it is understood that the words which have been used are words of description and illustration, rather than words of limitation. Modifications may be made to the invention as defined in the appended claims, and the invention may be modified without departing from the scope and spirit of the invention. Although the invention is described herein with reference to particular means, materials and embodiments, the invention is not intended to be limited to the particulars disclosed herein, as the invention extends to all other means and applications which perform the same function.
Claims (39)
1. An acrylate rubber composition, characterized in that the acrylate rubber composition comprises: 100 parts of acrylate rubber, 20-40 parts of fluororubber, 3-5 parts of coupling agent, 1-3 parts of vulcanizing agent, 1-3 parts of auxiliary accelerator, 1-3 parts of anti-aging agent and 35-80 parts of filler;
wherein the acrylic rubber comprises 10-30wt% of comb type acrylic rubber;
wherein the comb-type acrylate rubber is at least one of acrylate rubber with side chain grafted phenolic hydroxyl, comb-type acrylate rubber with side chain grafted polyurethane and acrylate rubber with side chain grafted fluorine.
2. The acrylate rubber composition according to claim 1, wherein the acrylate rubber composition comprises: 100 parts of acrylate rubber, 25-35 parts of fluororubber, 3-5 parts of coupling agent, 1.5-2.5 parts of vulcanizing agent, 1.5-2.5 parts of auxiliary accelerator, 1.5-2.5 parts of anti-aging agent and 35-70 parts of filler;
wherein the acrylic rubber comprises 10-20wt% of comb type acrylic rubber;
wherein the comb-type acrylate rubber is at least one of acrylate rubber with side chain grafted phenolic hydroxyl, comb-type acrylate rubber with side chain grafted polyurethane and acrylate rubber with side chain grafted fluorine.
3. The acrylate rubber composition according to claim 1 or 2 wherein the filler comprises alumina and graphene.
4. The acrylic rubber composition according to claim 3, wherein the alumina is acicular alumina.
5. The acrylate rubber composition according to claim 4 wherein the weight ratio of needle-like alumina to graphene is 6-12:1.
6. The acrylate rubber composition according to claim 5 wherein the weight ratio of needle-like alumina to graphene is 7-10:1.
7. The acrylic rubber composition according to any one of claims 4 to 6, wherein the needle-like alumina has a length of 50 to 1000nm; aspect ratio is 10-100:1;
and/or the diameter of the graphene is less than 6 mu m, and the thickness of the graphene is less than 10 layers.
8. The acrylate rubber composition according to claim 7 wherein the needle-like alumina has a length of 60-500nm; the length-diameter ratio is 12-50:1.
9. The acrylic rubber composition according to claim 3, wherein the comb-type acrylic rubber is an acrylic rubber having a side chain grafted with a phenolic hydroxyl group.
10. The acrylic rubber composition according to claim 7, wherein the comb-type acrylic rubber is an acrylic rubber having a side chain grafted with a phenolic hydroxyl group.
11. The acrylic rubber composition according to any one of claims 1 to 2,4 to 6, 8, wherein the comb-shaped acrylic rubber is an acrylic rubber having a side chain grafted with a phenolic hydroxyl group.
12. The acrylic rubber composition according to claim 3, wherein the vulcanizing agent is at least one selected from bisphenol AF-benzyltriphenyl phosphorus chloride, N-secondary cinnamyl-1, 6-hexanediamine, a mixture of N, N-secondary cinnamyl-1, 6-hexanediamine and amine benzoate, a mixture of hexanediamine carbamate and amine benzoate, and 2,4, 6-trimercapto s-triazine.
13. The acrylate rubber composition according to claim 12 wherein the vulcanizing agent is bisphenol AF-benzyl triphenyl phosphorus chloride.
14. The acrylate rubber composition according to claim 7 wherein the vulcanizing agent is selected from at least one of bisphenol AF-benzyltriphenyl phosphorus chloride, N-secondary cinnamyl-1, 6-hexanediamine, a mixture of N, N-secondary cinnamyl-1, 6-hexanediamine and amine benzoate, a mixture of hexanediamine carbamate and amine benzoate, and 2,4, 6-trimercapto s-triazine.
15. The acrylate rubber composition according to claim 14 wherein the vulcanizing agent is bisphenol AF-benzyl triphenyl phosphorus chloride.
16. The acrylate rubber composition according to claim 11 wherein the vulcanizing agent is selected from at least one of bisphenol AF-benzyltriphenyl phosphorus chloride, N-secondary cinnamyl-1, 6-hexanediamine, a mixture of N, N-secondary cinnamyl-1, 6-hexanediamine and amine benzoate, a mixture of hexanediamine carbamate and amine benzoate, and 2,4, 6-trimercapto s-triazine.
17. The acrylate rubber composition according to claim 16 wherein the vulcanizing agent is bisphenol AF-benzyl triphenyl phosphorus chloride.
18. The acrylate rubber composition according to any one of claims 1-2, 4-6, 8-10 wherein the vulcanizing agent is selected from at least one of bisphenol AF-benzyltriphenylphosphine chloride, N-secondary cinnamyl-1, 6-hexamethylenediamine, a mixture of N, N-secondary cinnamyl-1, 6-hexamethylenediamine and amine benzoate, a mixture of hexamethylenediamine carbamate and amine benzoate, and 2,4, 6-trimercapto s-triazine.
19. The acrylate rubber composition according to claim 18 wherein the vulcanizing agent is bisphenol AF-benzyl triphenyl phosphorus chloride.
20. The acrylate rubber composition according to claim 3, wherein the coupling agent is selected from at least one of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent, and an epoxysilane coupling agent.
21. The acrylate rubber composition according to claim 20 wherein the coupling agent is an aminosilane coupling agent.
22. The acrylate rubber composition according to claim 7, wherein the coupling agent is selected from at least one of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent, and an epoxysilane coupling agent.
23. The acrylate rubber composition according to claim 22 wherein the coupling agent is an aminosilane coupling agent.
24. The acrylate rubber composition according to claim 11, wherein the coupling agent is selected from at least one of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent, and an epoxysilane coupling agent.
25. The acrylate rubber composition according to claim 24 wherein the coupling agent is an aminosilane coupling agent.
26. The acrylate rubber composition according to claim 18, wherein the coupling agent is selected from at least one of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent, and an epoxysilane coupling agent.
27. The acrylate rubber composition according to claim 26 wherein the coupling agent is an aminosilane coupling agent.
28. The acrylate rubber composition according to any one of claims 1-2, 4-6, 8-10, 12-17, 19, wherein the coupling agent is selected from at least one of an aminosilane coupling agent, a vinyl silane coupling agent, a sulfur-containing silane coupling agent, and an epoxysilane coupling agent.
29. The acrylate rubber composition according to claim 28 wherein the coupling agent is an aminosilane coupling agent.
30. The acrylic rubber composition according to claim 3, wherein the auxiliary accelerator is at least one selected from the group consisting of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide and lead carbonate.
31. The acrylate rubber composition according to claim 7 wherein the co-accelerator is selected from at least one of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide and lead carbonate.
32. The acrylate rubber composition according to claim 11 wherein the co-accelerator is selected from at least one of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide, and lead carbonate.
33. The acrylate rubber composition according to claim 18 wherein the co-accelerator is selected from at least one of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide, and lead carbonate.
34. The acrylate rubber composition according to claim 28 wherein the co-accelerator is selected from at least one of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide, and lead carbonate.
35. The acrylate rubber composition according to any one of claims 1-2, 4-6, 8-10, 12-17, 19-27, 29 wherein the co-accelerator is selected from at least one of magnesium oxide, calcium hydroxide, zinc oxide, lead oxide, and lead carbonate.
36. A method for producing an acrylate rubber using the acrylate rubber composition according to any one of claims 1 to 35, characterized in that the method comprises:
(1) Preparation of the rubber compound: sequentially adding acrylate rubber, fluororubber, auxiliary accelerator, filler, coupling agent, anti-aging agent and vulcanizing agent into mixing equipment for mixing to obtain a rubber compound;
(2) Preparation of acrylate rubber: and (3) carrying out primary vulcanization on the mixed rubber on a plate vulcanizing machine, and then carrying out secondary vulcanization in an oven to obtain the acrylate rubber.
37. The method of claim 36, wherein the conditions of the one stage vulcanization include: the vulcanization temperature is 165-175 ℃, the vulcanization pressure is 10-20MPa, and the vulcanization time is t90+5 minutes of the positive vulcanization time of the acrylate rubber composition;
and/or, the conditions of the two-stage vulcanization include: the vulcanization temperature is 195-205 ℃, and the vulcanization time is 4.5-5.5h.
38. An acrylate rubber made by the process of claim 36 or 37.
39. Use of the acrylate rubber composition of any one of claims 1-35 or the acrylate rubber of claim 38 in at least one of an oil seal, a gasket and a hose.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010948538.0A CN114163760B (en) | 2020-09-10 | 2020-09-10 | Acrylic rubber composition and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010948538.0A CN114163760B (en) | 2020-09-10 | 2020-09-10 | Acrylic rubber composition and application thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114163760A CN114163760A (en) | 2022-03-11 |
CN114163760B true CN114163760B (en) | 2023-05-30 |
Family
ID=80475657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010948538.0A Active CN114163760B (en) | 2020-09-10 | 2020-09-10 | Acrylic rubber composition and application thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114163760B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014019785A (en) * | 2012-07-18 | 2014-02-03 | Shangdong Machen Scienc And Technology Co Ltd | Acrylic ester rubber compounding raw material for crank chamber vent pipe |
CN106189022A (en) * | 2016-07-22 | 2016-12-07 | 马晓均 | A kind of high heat conduction tenacity acrylic's ester rubber |
CN106243594A (en) * | 2016-07-31 | 2016-12-21 | 马晓均 | A kind of high temperature resistant acrylate rubber oil sealing and its preparation method and application |
CN109206799A (en) * | 2017-06-29 | 2019-01-15 | 中绿新材料(江苏)有限公司 | A kind of fluorubber/acrylic rubber blend compounds |
CN111548591A (en) * | 2020-06-22 | 2020-08-18 | 安徽立信橡胶科技有限公司 | Oil-resistant high-temperature-resistant acrylate rubber and preparation method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN2014DN09393A (en) * | 2012-04-12 | 2015-07-17 | Zeon Corp |
-
2020
- 2020-09-10 CN CN202010948538.0A patent/CN114163760B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014019785A (en) * | 2012-07-18 | 2014-02-03 | Shangdong Machen Scienc And Technology Co Ltd | Acrylic ester rubber compounding raw material for crank chamber vent pipe |
CN106189022A (en) * | 2016-07-22 | 2016-12-07 | 马晓均 | A kind of high heat conduction tenacity acrylic's ester rubber |
CN106243594A (en) * | 2016-07-31 | 2016-12-21 | 马晓均 | A kind of high temperature resistant acrylate rubber oil sealing and its preparation method and application |
CN109206799A (en) * | 2017-06-29 | 2019-01-15 | 中绿新材料(江苏)有限公司 | A kind of fluorubber/acrylic rubber blend compounds |
CN111548591A (en) * | 2020-06-22 | 2020-08-18 | 安徽立信橡胶科技有限公司 | Oil-resistant high-temperature-resistant acrylate rubber and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN114163760A (en) | 2022-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101412835B (en) | Blend of fluorubber and silastic, and preparation thereof | |
CN101531872B (en) | Room curing fluoro rubber adhesive and preparation method | |
CN103194898B (en) | The surface modifying method of aramid fiber, the aramid fiber of surface modification and static sealing materials | |
CN111534105B (en) | Anti-aging silicone rubber sealing material for high-speed rail sealing element and preparation method thereof | |
CN107236185A (en) | A kind of novel flame-retardant cable material and preparation method thereof | |
CN114163760B (en) | Acrylic rubber composition and application thereof | |
CN104829852B (en) | A kind of preparation method of ionomer rubber in situ | |
CN114656700A (en) | Flame-retardant chloroprene rubber and preparation method thereof | |
CN115703914B (en) | Acrylic rubber composition and application thereof | |
CN113698766A (en) | Rubber composite material and preparation method thereof | |
CN110776708B (en) | High-temperature-resistant rubber sealing gasket and preparation method thereof | |
CN112210340A (en) | Oil-resistant organosilicon sealant and preparation method thereof | |
CN117050432A (en) | High-low temperature resistant and long-service life sealing rubber composite material and preparation method thereof | |
CN110938261A (en) | High-temperature-resistance low-emigration EPDM material and preparation method and application thereof | |
CN111423638A (en) | High-strength rubber composite material for high-speed rail sealing element and preparation method thereof | |
CN110577682A (en) | High-low temperature resistant anti-aging chloroprene rubber | |
CN109575611B (en) | High-damping silicon rubber and preparation method and application thereof | |
CN111548510B (en) | Dendritic UPy damping agent and preparation method and application thereof | |
CN113956835A (en) | Organosilicon sealant for U-shaped heating pipe and preparation method thereof | |
CN112251150A (en) | High-temperature-resistant liquid sealant and preparation method thereof | |
CN112592591A (en) | Oil-resistant flame-retardant silicone rubber material | |
CN107629340B (en) | Silicone rubber/hindered phenol composite modified chlorinated butyl damping rubber and preparation method thereof | |
CN111117261A (en) | High-temperature-resistant fluorine silicon rubber material | |
CN110128461B (en) | Radiation-resistant additive, synthesis thereof and method for preparing radiation-resistant silicon rubber material | |
CN117209911B (en) | Ageing-resistant rubber sealing element and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |