CN117511075A - Formula of high-transparency ethylene propylene diene monomer product - Google Patents
Formula of high-transparency ethylene propylene diene monomer product Download PDFInfo
- Publication number
- CN117511075A CN117511075A CN202311501897.1A CN202311501897A CN117511075A CN 117511075 A CN117511075 A CN 117511075A CN 202311501897 A CN202311501897 A CN 202311501897A CN 117511075 A CN117511075 A CN 117511075A
- Authority
- CN
- China
- Prior art keywords
- ethylene propylene
- diene monomer
- propylene diene
- antioxidant
- agent
- 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.)
- Pending
Links
- 229920002943 EPDM rubber Polymers 0.000 title claims abstract description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 39
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 17
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 150000002978 peroxides Chemical class 0.000 claims abstract description 10
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 9
- 230000003213 activating effect Effects 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims description 17
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 11
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 claims description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012190 activator Substances 0.000 claims description 8
- 229920000058 polyacrylate Polymers 0.000 claims description 8
- 239000013543 active substance Substances 0.000 claims description 5
- 238000004073 vulcanization Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- GWQOYRSARAWVTC-UHFFFAOYSA-N 1,4-bis(2-tert-butylperoxypropan-2-yl)benzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=C(C(C)(C)OOC(C)(C)C)C=C1 GWQOYRSARAWVTC-UHFFFAOYSA-N 0.000 claims description 2
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 9
- 239000000203 mixture Substances 0.000 claims 9
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000012744 reinforcing agent Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 239000000499 gel Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004383 yellowing Methods 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a formula of a high-transparency ethylene propylene diene monomer product, which comprises the following components in percentage by weight: 45-50% of ethylene propylene diene monomer, 30-35% of silicon dioxide, 8-12% of paraffin oil, 1-2% of inorganic activating agent, 0.5-1.5% of organic activating agent, 0.5-1% of antioxidant, 0.5-1.5% of processing aid, 1-2% of silane coupling agent and 1.5-2% of peroxide vulcanizing agent. According to the formula of the high-transparency ethylene propylene diene monomer product, the high-transmittance and high-strength transparent rubber is obtained by selecting the reinforcing agent, the activating agent, the vulcanizing agent and the like with similar refractive indexes to compound ethylene propylene diene monomer.
Description
Technical Field
The invention belongs to the technical field of rubber materials, and particularly relates to a formula of a high-transparency ethylene propylene diene monomer product.
Background
Ethylene propylene diene monomer is an ethylene-propylene copolymer containing a small amount of non-conjugated diene, is prepared by copolymerizing ethylene, propylene and a third monomer, is widely applied to the fields of automobile parts, building waterproof materials, wire and cable sheaths, heat-resistant rubber pipes, adhesive tapes, various sealing parts and the like, and products in the fields are basically black or colored rubber, however, some high-transparency rubber is required to be used in some special occasions, the existing transparent rubber is basically mainly silica gel, the strength of the silica gel is too low due to the characteristics of the silica gel, the requirements of the high-transparency ethylene propylene diene monomer are not met even under the working condition of high stress concentration, and the high-transparency ethylene propylene diene monomer fills the gap due to the excellent strength and good processability of the high-transparency ethylene propylene diene monomer; the conventional ethylene propylene diene monomer has high transparency and is difficult to obtain due to the characteristics of gel property, difficult choice of refractive index of blending materials, vulcanization discoloration and the like.
Disclosure of Invention
Based on the technical problems, the invention provides a formula of a high-transparency ethylene propylene diene monomer product, and the high-transmittance and high-strength transparent rubber is obtained by selecting a reinforcing agent, an activating agent, a vulcanizing agent and the like with similar refractive indexes to compound ethylene propylene diene monomer.
The invention provides a formula of a high-transparency ethylene propylene diene monomer product, which comprises the following components in percentage by weight: 45-50% of ethylene propylene diene monomer, 30-35% of silicon dioxide, 8-12% of paraffin oil, 1-2% of inorganic activating agent, 0.5-1.5% of organic activating agent, 0.5-1% of antioxidant, 0.5-1.5% of processing aid, 1-2% of silane coupling agent and 1.5-2% of peroxide vulcanizing agent.
Preferably, the gel content of the ethylene propylene diene monomer is less than 1.0%.
In the invention, the gel content of the ethylene propylene diene monomer is preferably less than 1.0%, which is favorable for improving the flow processability and the transparency of the ethylene propylene diene monomer, thereby obtaining a high-transparency rubber product.
Preferably, the silica is polyacrylate grafted silica;
preferably, the polyacrylate grafted silica is obtained by esterifying and condensing silica with maleic anhydride to obtain maleic anhydride grafted silica, and copolymerizing the maleic anhydride grafted silica with an acrylate monomer.
In the invention, hydroxyl groups on the surface of silicon dioxide and maleic anhydride are esterified and condensed to obtain silicon dioxide grafted with maleic anhydride, and the silicon dioxide grafted with maleic anhydride is copolymerized with acrylate monomers to obtain polyacrylate grafted silicon dioxide; when the silicon dioxide is preferably polyacrylate grafted silicon dioxide, the bonding property and compatibility of the silicon dioxide in ethylene propylene diene monomer rubber can be effectively enhanced, so that the mechanical properties such as strength and the like of the obtained rubber product are greatly improved.
Preferably, the inorganic activator is at least one of basic zinc carbonate, zinc oxide, magnesium oxide or calcium oxide;
preferably, the inorganic activator is basic zinc carbonate.
In the present invention, the inorganic active agent is preferably basic zinc carbonate, which can give a rubber article having higher transparency than conventionally used zinc oxide.
Preferably, the organic activator is at least one of stearic acid or polyethylene glycol;
preferably, the organic activator is polyethylene glycol.
Preferably, the antioxidant is at least one of antioxidant 2246, antioxidant 1010, antioxidant 1076, antioxidant 168 or antioxidant 1024;
preferably, the antioxidant is antioxidant 2246.
Preferably, the processing aid is at least one of WB16 or WB 42;
preferably, the processing aid is WB42.
Preferably, the silane coupling agent is at least one of KH550 or KH 560;
preferably, the silane coupling agent is KH560.
Preferably, the peroxide vulcanizing agent is at least one of dicumyl peroxide, 1, 4-bis [ (tertiary butyl peroxy) isopropyl ] benzene, tertiary butyl alpha-cumene peroxide or 2, 5-dimethyl-2, 5-bis (tertiary butyl peroxy) hexane;
preferably, the peroxide curative is 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane.
In the present invention, the peroxide curing agent is preferably 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane, which is less odorous, and further contributes to obtaining a rubber product having high transparency.
Preferably, the preparation method of the ethylene propylene diene monomer product comprises the following steps:
adding ethylene propylene diene monomer, silicon dioxide, paraffin oil, an inorganic active agent, an organic active agent, an antioxidant, a processing aid and a silane coupling agent into an internal mixer according to the formula, mixing uniformly, adding a peroxide vulcanizing agent, mixing uniformly, adding the obtained mixed rubber into an open mill for open mill forming, and adding vulcanizing equipment for vulcanization forming to obtain an ethylene propylene diene monomer product;
preferably, the vulcanization temperature is 165-175 ℃ and the time is 5-15min.
Compared with the prior art, the invention has the following technical effects:
in the invention, ethylene propylene diene monomer with high transparency and excellent yellowing resistance and ozone cracking resistance is selected as a base material, and a reinforcing agent, an activating agent, a vulcanizing agent and the like with similar refractive indexes are selected as additives in a compounding way, so that the prepared ethylene propylene diene monomer product has excellent transparency and also has good strength and other properties.
Detailed Description
The present invention will be described in detail by way of specific examples, which should be clearly set forth for the purpose of illustration and are not to be construed as limiting the scope of the present invention.
Example 1
The formula of the high-transparency ethylene propylene diene monomer product comprises the following components in percentage by weight:
48.5% of ethylene propylene diene monomer, 33% of silicon dioxide, 11% of paraffin oil, 1.5% of basic zinc carbonate, 1.1% of polyethylene glycol, 22460.8% of antioxidant, 420.9% of WB, 1.8% of silane coupling agent KH5601.4% of 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane.
The preparation method of the high-transparency ethylene propylene diene monomer product comprises the following steps:
adding ethylene propylene diene monomer into an internal mixer, mixing for 60s, lifting an upper top plug, adding silicon dioxide, paraffin oil, basic zinc carbonate, polyethylene glycol, an antioxidant 2246, WB42 and a silane coupling agent KH560, pressing the upper top plug, mixing to 110 ℃, lifting the upper top plug, adding 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane, and mixing the upper top plug to 115 ℃ for rubber discharge; putting the obtained sizing material into an open mill, carrying out thin pass for 9 times, packing by a triangular bag for 4 times, adjusting the roll distance, and cooling the lower piece to obtain a mixed rubber sheet; adding the rubber sheet into an open mill, performing open mill molding at 60 ℃, and then placing into a mold in a vulcanizing device under the pressure of 190Kgf/cm 2 Vulcanizing for 600s at 170 ℃ to obtain the ethylene propylene diene monomer rubber product.
Example 2
The formula of the high-transparency ethylene propylene diene monomer product comprises the following components in percentage by weight:
48.5% of ethylene propylene diene monomer, 33% of silicon dioxide, 11% of paraffin oil, 1.5% of zinc oxide, 1.1% of stearic acid, 22460.8% of antioxidant, 420.9% of WB, 1.8% of silane coupling agent KH5601.4% of 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane.
The preparation method of the high-transparency ethylene propylene diene monomer product comprises the following steps:
adding ethylene propylene diene monomer into an internal mixer, mixing for 60s, lifting an upper top plug, adding silicon dioxide, paraffin oil, zinc oxide, stearic acid, an antioxidant 2246, WB42 and a silane coupling agent KH560, pressing the upper top plug, mixing to 110 ℃, lifting the upper top plug, adding 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane, and mixing the upper top plug to 115 ℃ for rubber discharge; putting the obtained sizing material into an open mill, carrying out thin pass for 9 times, packing by a triangular bag for 4 times, adjusting the roll distance, and cooling the lower piece to obtain a mixed rubber sheet; adding the rubber sheet into an open mill, performing open mill molding at 60 ℃, and then placing into a mold in a vulcanizing device under the pressure of 190Kgf/cm 2 Vulcanizing for 600s at 170 ℃ to obtain the ethylene propylene diene monomer rubber product.
Example 3
The formula of the high-transparency ethylene propylene diene monomer product comprises the following components in percentage by weight:
48.5% of ethylene propylene diene monomer, 33% of silicon dioxide, 11% of paraffin oil, 1.5% of basic zinc carbonate, 1.1% of polyethylene glycol, 22460.8% of antioxidant, 420.9% of WB, 5601.4% of silane coupling agent KH and 1.8% of dicumyl peroxide.
The preparation method of the high-transparency ethylene propylene diene monomer product comprises the following steps:
adding ethylene propylene diene monomer into an internal mixer, mixing for 60s, lifting an upper top plug, adding silicon dioxide, paraffin oil, basic zinc carbonate, polyethylene glycol, an antioxidant 2246, WB42 and a silane coupling agent KH560, pressing the upper top plug, mixing to 110 ℃, lifting the upper top plug, adding dicumyl peroxide, pressing the upper top plug, mixing to 115 ℃ and discharging glue; putting the obtained sizing material into an open mill, carrying out thin pass for 9 times, packing by a triangular bag for 4 times, adjusting the roll distance, and cooling the lower piece to obtain a mixed rubber sheet; adding the rubber sheet into an open mill, performing open mill molding at 60 ℃, and then placing into a mold in a vulcanizing device under the pressure of 190Kgf/cm 2 Vulcanizing for 600s at 170 ℃ to obtain the ethylene propylene diene monomer rubber product.
Example 4
The formula of the high-transparency ethylene propylene diene monomer product comprises the following components in percentage by weight:
48.5% of ethylene propylene diene monomer, 33% of silicon dioxide, 11% of paraffin oil, 1.5% of basic zinc carbonate, 1.1% of polyethylene glycol, 22460.8% of antioxidant, 420.9% of WB, 1.8% of silane coupling agent KH5601.4% of 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane;
wherein, the silicon dioxide is polyacrylate grafted silicon dioxide, which is prepared by the following preparation method: adding silicon dioxide and maleic anhydride into cyclohexane according to the mass ratio of 1:0.3, heating to 60 ℃ under the protection of inert gas, stirring and reacting for 1h to obtain silicon dioxide grafted with maleic anhydride, adding 1-time of the mass of the silicon dioxide into the silicon dioxide, heating to 80 ℃ and stirring and reacting for 5h, filtering, washing and drying to obtain the polyacrylate grafted silicon dioxide.
The preparation method of the high-transparency ethylene propylene diene monomer product comprises the following steps:
adding ethylene propylene diene monomer into an internal mixer, mixing for 60s, lifting an upper top plug, adding silicon dioxide, paraffin oil, basic zinc carbonate, polyethylene glycol, an antioxidant 2246, WB42 and a silane coupling agent KH560, pressing the upper top plug, mixing to 110 ℃, lifting the upper top plug, adding 2, 5-dimethyl-2, 5-bis (tert-butyl peroxy) hexane, and mixing the upper top plug to 115 ℃ for rubber discharge; putting the obtained sizing material into an open mill, carrying out thin pass for 9 times, packing by a triangular bag for 4 times, adjusting the roll distance, and cooling the lower piece to obtain a mixed rubber sheet; adding the rubber sheet into an open mill, performing open mill molding at 60 ℃, and then placing into a mold in a vulcanizing device under the pressure of 190Kgf/cm 2 Vulcanizing for 600s at 170 ℃ to obtain the ethylene propylene diene monomer rubber product.
The ethylene propylene diene monomer rubber products obtained in the examples are subjected to basic physical and chemical property tests, and test items are shown in the following table 1.
Table 1 results of basic physical and chemical Properties test of ethylene propylene diene monomer rubber product obtained in examples
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The formula of the high-transparency ethylene propylene diene monomer product is characterized by comprising the following components in percentage by weight: 45-50% of ethylene propylene diene monomer, 30-35% of silicon dioxide, 8-12% of paraffin oil, 1-2% of inorganic activating agent, 0.5-1.5% of organic activating agent, 0.5-1% of antioxidant, 0.5-1.5% of processing aid, 1-2% of silane coupling agent and 1.5-2% of peroxide vulcanizing agent.
2. The formulation of a highly transparent ethylene propylene diene monomer product according to claim 1, wherein the gel content of the ethylene propylene diene monomer is less than 1.0%.
3. The highly transparent ethylene propylene diene monomer formulation according to claim 1 or 2, characterized in that the silica is a polyacrylate grafted silica;
preferably, the polyacrylate grafted silica is obtained by esterifying and condensing silica with maleic anhydride to obtain maleic anhydride grafted silica, and copolymerizing the maleic anhydride grafted silica with an acrylate monomer.
4. A formulation of a highly transparent ethylene propylene diene monomer product according to any one of claims 1 to 3, wherein the inorganic activator is at least one of basic zinc carbonate, zinc oxide, magnesium oxide or calcium oxide;
preferably, the inorganic activator is basic zinc carbonate.
5. The formulation of a highly transparent ethylene propylene diene monomer product according to any one of claims 1 to 4, wherein the organic activator is at least one of stearic acid or polyethylene glycol;
preferably, the organic activator is polyethylene glycol.
6. The highly transparent ethylene propylene diene monomer formulation of any one of claims 1-5, wherein the antioxidant is at least one of antioxidant 2246, antioxidant 1010, antioxidant 1076, antioxidant 168 or antioxidant 1024;
preferably, the antioxidant is antioxidant 2246.
7. The highly transparent ethylene propylene diene monomer formulation according to any one of claims 1 to 6, wherein the processing aid is at least one of WB16 or WB 42;
preferably, the processing aid is WB42.
8. The highly transparent ethylene propylene diene monomer formulation according to any one of claims 1 to 7, wherein the silane coupling agent is at least one of KH550 or KH 560;
preferably, the silane coupling agent is KH560.
9. The formulation of a highly transparent ethylene propylene diene monomer product according to any one of claims 1 to 8, wherein the peroxide vulcanizing agent is at least one of dicumyl peroxide, 1, 4-bis [ (t-butylperoxy) isopropyl ] benzene, t-butylα -cumene peroxide or 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane;
preferably, the peroxide curative is 2, 5-dimethyl-2, 5-bis (t-butylperoxy) hexane.
10. The highly transparent ethylene propylene diene monomer product formulation according to any one of claims 1 to 9, wherein the process for preparing the ethylene propylene diene monomer product comprises:
adding ethylene propylene diene monomer, silicon dioxide, paraffin oil, an inorganic active agent, an organic active agent, an antioxidant, a processing aid and a silane coupling agent into an internal mixer according to the formula, mixing uniformly, adding a peroxide vulcanizing agent, mixing uniformly, adding the obtained mixed rubber into an open mill for open mill forming, and adding vulcanizing equipment for vulcanization forming to obtain an ethylene propylene diene monomer product;
preferably, the vulcanization temperature is 165-175 ℃ and the time is 5-15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311501897.1A CN117511075A (en) | 2023-11-13 | 2023-11-13 | Formula of high-transparency ethylene propylene diene monomer product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311501897.1A CN117511075A (en) | 2023-11-13 | 2023-11-13 | Formula of high-transparency ethylene propylene diene monomer product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117511075A true CN117511075A (en) | 2024-02-06 |
Family
ID=89763837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311501897.1A Pending CN117511075A (en) | 2023-11-13 | 2023-11-13 | Formula of high-transparency ethylene propylene diene monomer product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117511075A (en) |
-
2023
- 2023-11-13 CN CN202311501897.1A patent/CN117511075A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3782459B2 (en) | Crosslinkable polyolefin composition | |
| US7153571B2 (en) | Silane crosslinkable polyethylene | |
| CN111253687B (en) | Blended rubber of silicon rubber and ethylene propylene diene monomer and preparation method thereof | |
| CN110903558A (en) | Water-absorbing rubber composite material and preparation method thereof | |
| EP3676321B1 (en) | Peroxide containing polyolefin formulation | |
| CN103408948A (en) | Rubber composition and application thereof | |
| CN111690216B (en) | High-temperature-resistant light diffusion PVC material and preparation method thereof | |
| CN112159497A (en) | Preparation method of fluorine-silicon modified butyronitrile latex applied to medical butyronitrile gloves | |
| CA2072195C (en) | Non-tarnishing flame retardant insulation compositions | |
| KR102591753B1 (en) | Composition comprising a tin-based catalyst and titanium dioxide for moisture curing of silane-functionalized ethylenic polymers | |
| US8183328B2 (en) | Compositions comprising grafted and crosslinked LLDPE's, Methods for making same, and articles made therefrom | |
| CN114163822A (en) | Organosilicon modified ethylene propylene diene monomer and preparation method thereof | |
| CN111117136B (en) | Cable material | |
| CN117511075A (en) | Formula of high-transparency ethylene propylene diene monomer product | |
| KR20010023332A (en) | Elastomers with improved processability | |
| US8211985B2 (en) | Silicon-containing ethylene-based polymer blends, methods for making same, and articles made therefrom | |
| CN111763355B (en) | Thermal-oxidative-aging-resistant sidewall rubber containing silicon rubber and preparation method thereof | |
| JPS5832643A (en) | Polyisoprene rubber composition | |
| US4414340A (en) | Thermosetting compositions | |
| CN107353454A (en) | The environmentally friendly oil resistant rubber of one kind sealing | |
| JP2018510251A (en) | Curable transparent rubber composition, cured transparent rubber composition produced therefrom and method for producing the same | |
| CN117285781B (en) | High-temperature-resistant and easy-to-release rubber composition and preparation method thereof | |
| JP7403297B2 (en) | Compositions and polymer moldings | |
| CN116444713B (en) | Preparation method and application of modified soybean oil plasticizer | |
| CN114874577B (en) | Colored sand with high carbon black dispersity 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 |