CN114213725A - Flame-retardant sealing ring for motor of range hood - Google Patents
Flame-retardant sealing ring for motor of range hood Download PDFInfo
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- CN114213725A CN114213725A CN202111498941.9A CN202111498941A CN114213725A CN 114213725 A CN114213725 A CN 114213725A CN 202111498941 A CN202111498941 A CN 202111498941A CN 114213725 A CN114213725 A CN 114213725A
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- parts
- accelerator
- flame
- carbon black
- sealing ring
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003063 flame retardant Substances 0.000 title claims abstract description 54
- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 239000006229 carbon black Substances 0.000 claims abstract description 36
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 26
- -1 ETU-80 Chemical compound 0.000 claims abstract description 21
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims abstract description 18
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims abstract description 18
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007822 coupling agent Substances 0.000 claims abstract description 17
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 16
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 16
- 235000013869 carnauba wax Nutrition 0.000 claims abstract description 16
- 239000004203 carnauba wax Substances 0.000 claims abstract description 16
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 16
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 16
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 claims abstract description 16
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 16
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 16
- 239000008117 stearic acid Substances 0.000 claims abstract description 16
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims abstract description 16
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011787 zinc oxide Substances 0.000 claims abstract description 16
- MRPDVDWKORWBBP-UHFFFAOYSA-N 5-(4-hydroxyphenyl)pyran-2-one Chemical compound C1=CC(O)=CC=C1C1=COC(=O)C=C1 MRPDVDWKORWBBP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000002576 ketones Chemical class 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 238000004073 vulcanization Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000002360 preparation method Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 5
- 230000003712 anti-aging effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- XJCRCPKBJWRZAX-UHFFFAOYSA-L disodium;dibenzoate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 XJCRCPKBJWRZAX-UHFFFAOYSA-L 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000003674 animal food additive Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
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)
- Sealing Material Composition (AREA)
Abstract
A flame-retardant sealing ring for a range hood motor relates to the field of sealing rings and comprises sulfur powder, 2-deoxy 22-difluoro pentofuranose 1-35-bis-benzoate, nitrile rubber, zinc borate, an accelerator M, carbon black, an accelerator TMTD, neoprene, 80-150 parts of aluminum hydroxide, 2-thiol benzimidazole, N-isopropyl-N' -phenyl-p-phenylenediamine, an accelerator CZ, ETU-80, zinc oxide, a coupling agent, stearic acid, white carbon black, a flame retardant FR-320, magnesium hydroxide, 5- (4-hydroxyphenyl) -2H-pyran-2-one, a processing aid WB-16, carnauba wax and dioctyl ester. The invention can solve the problems that the sealing ring of the motor of the range hood in the prior art is not high temperature resistant, is easy to age and crack and can burn.
Description
Technical Field
The invention relates to the field of sealing rings, in particular to a flame-retardant sealing ring for a range hood motor.
Background
The working environment of the range hood is high-temperature and high-oil environment. Under high temperature and high oil environment, if the smoke ventilator motor can work for a long time, the sealing ring of the smoke ventilator motor is required to have excellent sealing performance.
The traditional sealing ring of the motor of the range hood has the phenomena of high-temperature flowing and low-temperature cracking, has poor oil resistance and flame retardance, and is easy to age, crack and burn in the environment of high temperature and open fire of animal and vegetable oil.
At present, in order to improve the performance of a sealing ring of a motor of the range hood, various sealing ring enterprises are developing novel sealing rings. However, various indexes of the novel sealing rings still cannot reach the standards.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flame-retardant sealing ring for a range hood motor, and solves the problems that the sealing ring of the range hood motor in the prior art is not high-temperature resistant, is easy to age, crack and burn.
The technical scheme adopted by the invention for solving the technical problems is as follows: a flame-retardant sealing ring for a motor of a range hood is prepared from the following raw materials in parts by weight: 1.5-2.5 parts of sulfur powder, 1.0-3.0 parts of 2-deoxy-22-difluoropentofuranose 1 ketone 35 dibenzoate, 60-120 parts of nitrile rubber, 20-50 parts of zinc borate, 1.0-2.0 parts of accelerator M, 5-20 parts of carbon black, 0.8-1.2 parts of accelerator TMTD, 15-45 parts of neoprene, 80-150 parts of aluminum hydroxide, 2-3 parts of 2-mercaptobenzimidazole, 2-3 parts of N-isopropyl-N' -phenyl p-phenylenediamine, 1.0-2.0 parts of accelerator CZ, 1.8-1.2 parts of ETU-800.8, 8-12 parts of zinc oxide, 1.0-2.0 parts of coupling agent, 0.8-1.5 parts of stearic acid, 15-30 parts of white carbon black, flame retardant FR-3201.5-3.5 parts of flame retardant, 2.0-4.0 parts of magnesium hydroxide, 5- (4-hydroxyphenyl) -2H-pyran-2-ketone 10.0 parts of flame retardant FR-3201.5 parts, processing aid WB-164-6 parts, carnauba wax 0.4-0.6 part, and dioctyl ester 30-50 parts.
Further, the feed additive is prepared from the following raw materials in parts by weight: 2 parts of sulfur powder, 2 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 90 parts of nitrile rubber, 35 parts of zinc borate, 1.5 parts of an accelerator M, 12.5 parts of carbon black, 1 part of an accelerator TMTD, 30 parts of neoprene, 115 parts of aluminum hydroxide, 2.5 parts of 2-mercaptobenzimidazole, 2.5 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 1.5 parts of an accelerator CZ, 10 parts of ETU-801.0, 10 parts of zinc oxide, 1.5 parts of a coupling agent, 1.15 parts of stearic acid, 22.5 parts of white carbon black, 3.0 parts of a flame retardant FR-3202.5 parts of magnesium hydroxide, 13.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 0.5 part of a processing aid WB-165 part, 0.5 part of carnauba wax and 40 parts of dioctyl ester.
Further, the feed additive is prepared from the following raw materials in parts by weight: 2.5 parts of sulfur powder, 3.0 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 120 parts of nitrile rubber, 50 parts of zinc borate, 2.0 parts of accelerator M, 20 parts of carbon black, 1.2 parts of accelerator TMTD, 45 parts of neoprene, 150 parts of aluminum hydroxide, 3 parts of 2-thiol benzimidazole, 3 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 2.0 parts of accelerator CZ, 801.2 parts of ETU-801, 12 parts of zinc oxide, 2.0 parts of coupling agent, 1.5 parts of stearic acid, 30 parts of white carbon black, FR-3203.5 parts of flame retardant, 4.0 parts of magnesium hydroxide, 16.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 16.0 parts of processing aid WB-166 parts, 0.6 parts of carnauba wax and 50 parts of dioctyl ester.
Further, the dioctyl ester is environmentally-friendly DOA, the carbon black is N550 carbon black, and the coupling agent is a silane coupling agent.
Further, the coupling agent is si-69.
Further, the nitrile rubber is composed of nitrile rubber N230S and nitrile rubber N240S, and the weight ratio of the nitrile rubber N230S to the nitrile rubber N240S is 1: 9-10.
Further, the weight ratio of the promoter CZ, the promoter M, the promoter TMTD and the ETU-80 is 1.3-1.4:1.5-1.7:0.9-1.2: 0.9-1.3.
Further, the 2-deoxy-22-difluoro-pentofuranose 1-35-di-benzoate is one or more of 2-deoxy-22-difluoro-pentofuranose 1-35-di-benzoate sodium, 2-deoxy-22-difluoro-pentofuranose 1-35-di-benzoate potassium and 2-deoxy-22-difluoro-pentofuranose 1-35-di-benzoate magnesium.
The invention also provides a preparation method of the flame-retardant sealing ring for the motor of the range hood, which comprises the steps of plasticating the nitrile rubber in an internal mixer, adding 2-deoxy 22-difluoropentofuranose 1-35-bis-benzoate, carbon black, white carbon black, magnesium hydroxide, neoprene, aluminum hydroxide, a coupling agent, zinc borate, a flame retardant FR-320, dioctyl ester, carnauba wax, 2-thiol benzimidazole, N-isopropyl-N' -phenyl-p-phenylenediamine, a processing aid WB-16 and 5- (4-hydroxyphenyl) -2H-pyran-2-one for mixing, then adding zinc oxide, stearic acid, sulfur powder, an accelerator CZ, an accelerator M, an accelerator TMTD and ETU-80 for internal mixing to obtain a mixed material; and adding the mixed material into a vulcanizing press for vulcanization to obtain the flame-retardant sealing ring for the motor of the range hood.
The invention has the following beneficial effects:
according to the sealing ring disclosed by the invention, a flame retardant FR-320 is added into a preparation material of the sealing ring to serve as a flame retardant, and 5- (4-hydroxyphenyl) -2H-pyran-2-one is added to serve as a flame retardant auxiliary. Through a large number of tests, test data show that FR-320 serving as a flame retardant is generally applied to the textile industry, but can also obtain quite obvious effect when being applied to the rubber industry for increasing the flame retardant property of rubber; 5- (4-hydroxyphenyl) -2H-pyran-2-ketone is used as a flame retardant auxiliary agent, and can obviously assist in improving the flame retardant property of rubber.
According to the sealing ring disclosed by the invention, 2-thiol benzimidazole and N-isopropyl-N' -phenyl p-phenylenediamine are added into a preparation material of the sealing ring as an anti-aging agent. A large number of tests show that 2-mercaptobenzimidazole and N-isopropyl-N' -phenyl-p-phenylenediamine can play a significant role in improving the anti-aging and anti-cracking capability of rubber as an anti-aging agent.
According to the sealing ring disclosed by the invention, 2-deoxy-22-difluoropentofuranose-1-35-bis-benzoate is added into a preparation material of the sealing ring. A large number of tests prove that the 2-deoxy-22-difluoropentofuranose-1-35-bis-benzoate can obviously improve the high-temperature resistance of rubber.
Detailed Description
Example 1:
a flame-retardant sealing ring for a motor of a range hood is prepared from the following raw materials in parts by weight: 1.5 parts of sulfur powder, 1.0 part of 2-deoxy-22-difluoropentofuranose 1 ketone 35-bis-benzoate, 60 parts of nitrile rubber, 20 parts of zinc borate, 1.0 part of accelerator M, 5 parts of carbon black, 0.8 part of accelerator TMTD, 15 parts of neoprene, 80 parts of aluminum hydroxide, 2 parts of 2-thiol benzimidazole, 2 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 1.0 part of accelerator CZ, 800.8 parts of ETU (ethylene-butylene-terephthalate), 8 parts of zinc oxide, 1.0 part of coupling agent, 0.8 part of stearic acid, 15 parts of white carbon black, FR-3201.5 parts of flame retardant, 2.0 parts of magnesium hydroxide, 10.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, WB-164 parts of processing aid, 0.4 part of carnauba wax and 30 parts of dioctyl ester.
The preparation method comprises the following steps:
plasticating 60 parts of nitrile rubber in an internal mixer, adding 1.0 part of 2-deoxy-22-difluoropentofuranose 1 ketone 35 sodium di-benzoate, 5 parts of carbon black, 15 parts of white carbon black, 2.0 parts of magnesium hydroxide, 15 parts of neoprene, 80 parts of aluminum hydroxide, si-691.0 parts, 20 parts of zinc borate, FR-3201.5 parts of flame retardant, 30 parts of dioctyl ester, 0.4 part of carnauba wax, 2 parts of 2-thiol benzimidazole, 2 parts of N-isopropyl-N' -phenyl p-phenylenediamine, 2 parts of processing aid WB-164, 10 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-one, mixing, adding 8 parts of zinc oxide, 0.8 part of stearic acid, 1.5 parts of sulfur powder, 1.0 part of CZ accelerator, 1.0 part of accelerator M, 0.8 part of accelerator TMTD and 800.8 parts of ETU to carry out internal mixing to obtain a mixed material; and adding the mixed material into a vulcanizing press for vulcanization to obtain the flame-retardant sealing ring for the motor of the range hood.
Example 2:
a flame-retardant sealing ring for a motor of a range hood is prepared from the following raw materials in parts by weight: 2 parts of sulfur powder, 2 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 90 parts of nitrile rubber, 35 parts of zinc borate, 1.5 parts of an accelerator M, 12.5 parts of carbon black, 1 part of an accelerator TMTD, 30 parts of neoprene, 115 parts of aluminum hydroxide, 2.5 parts of 2-mercaptobenzimidazole, 2.5 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 1.5 parts of an accelerator CZ, 10 parts of ETU-801.0, 10 parts of zinc oxide, 1.5 parts of a coupling agent, 1.15 parts of stearic acid, 22.5 parts of white carbon black, 3.0 parts of a flame retardant FR-3202.5 parts of magnesium hydroxide, 13.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 0.5 part of a processing aid WB-165 part, 0.5 part of carnauba wax and 40 parts of dioctyl ester.
The preparation method comprises the following steps:
plasticating 90 parts of nitrile rubber in an internal mixer, adding 2.0 parts of 2-deoxy-22-difluoropentofuranose 1 ketone 35 sodium dibenzoate, 12.5 parts of carbon black, 22.5 parts of white carbon black, 3.0 parts of magnesium hydroxide, 30 parts of neoprene, 115 parts of aluminum hydroxide, si-691.5 parts of zinc borate, 35 parts of flame retardant FR-3202.5 parts, 40 parts of dioctyl ester, 0.5 part of carnauba wax, 2.5 parts of 2-thiol benzimidazole, 2.5 parts of N-isopropyl-N' -phenyl p-phenylenediamine, processing aid WB-165 parts, 5- (4-hydroxyphenyl) -2H-pyran-2-one 13.0 parts for mixing, then adding 10 parts of zinc oxide, 1.15 parts of stearic acid, 2 parts of sulfur powder, 1.5 parts of accelerator CZ, 1.5 parts of accelerator M, accelerator TMTD1 parts and ETU-801 parts for internal mixing to obtain a mixed material; and adding the mixed material into a vulcanizing press for vulcanization to obtain the flame-retardant sealing ring for the motor of the range hood.
Example 3:
a flame-retardant sealing ring for a motor of a range hood is prepared from the following raw materials in parts by weight: 2.5 parts of sulfur powder, 3.0 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 120 parts of nitrile rubber, 50 parts of zinc borate, 2.0 parts of accelerator M, 20 parts of carbon black, 1.2 parts of accelerator TMTD, 45 parts of neoprene, 150 parts of aluminum hydroxide, 3 parts of 2-thiol benzimidazole, 3 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 2.0 parts of accelerator CZ, 801.2 parts of ETU-801, 12 parts of zinc oxide, 2.0 parts of coupling agent, 1.5 parts of stearic acid, 30 parts of white carbon black, FR-3203.5 parts of flame retardant, 4.0 parts of magnesium hydroxide, 16.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 16.0 parts of processing aid WB-166 parts, 0.6 parts of carnauba wax and 50 parts of dioctyl ester.
The preparation method comprises the following steps:
plasticating 120 parts of nitrile rubber in an internal mixer, adding 3.0 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35 sodium dibenzoate, 20 parts of carbon black, 30 parts of white carbon black, 4.0 parts of magnesium hydroxide, 45 parts of neoprene, 150 parts of aluminum hydroxide, si-692.0 parts, 50 parts of zinc borate, FR-3203.5 parts of flame retardant, 50 parts of dioctyl ester, 0.6 part of carnauba wax, 3 parts of 2-thiol benzimidazole, 3 parts of N-isopropyl-N' -phenyl p-phenylenediamine, 3 parts of processing aid WB-166 and 16.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-one, mixing, adding 12 parts of zinc oxide, 1.5 parts of stearic acid, 2.5 parts of sulfur powder, 2.0 parts of accelerator CZ, 2.0 parts of accelerator M, 1.2 parts of accelerator TD and 2.2 parts of ETU-801, and banburying to obtain a mixed material; and adding the mixed material into a vulcanizing press for vulcanization to obtain the flame-retardant sealing ring for the motor of the range hood.
According to the data, the flame retardant performance, the anti-aging and anti-cracking performance and the high temperature resistance of the flame retardant sealing ring for the motor of the range hood have good performances.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various changes and modifications to the equivalent embodiments without departing from the scope of the present invention, and all such changes, modifications, equivalents and improvements that can be made to the above embodiments without departing from the technical spirit of the present invention are within the spirit and principle of the present invention.
Claims (10)
1. The flame-retardant sealing ring for the motor of the range hood is characterized by being prepared from the following raw materials in parts by weight: 1.5-2.5 parts of sulfur powder, 1.0-3.0 parts of 2-deoxy-22-difluoropentofuranose 1 ketone 35 dibenzoate, 60-120 parts of nitrile rubber, 20-50 parts of zinc borate, 1.0-2.0 parts of accelerator M, 5-20 parts of carbon black, 0.8-1.2 parts of accelerator TMTD, 15-45 parts of neoprene, 80-150 parts of aluminum hydroxide, 2-3 parts of 2-mercaptobenzimidazole, 2-3 parts of N-isopropyl-N' -phenyl p-phenylenediamine, 1.0-2.0 parts of accelerator CZ, 1.8-1.2 parts of ETU-800.8, 8-12 parts of zinc oxide, 1.0-2.0 parts of coupling agent, 0.8-1.5 parts of stearic acid, 15-30 parts of white carbon black, flame retardant FR-3201.5-3.5 parts of flame retardant, 2.0-4.0 parts of magnesium hydroxide, 5- (4-hydroxyphenyl) -2H-pyran-2-ketone 10.0 parts of flame retardant FR-3201.5 parts, processing aid WB-164-6 parts, carnauba wax 0.4-0.6 part, and dioctyl ester 30-50 parts.
2. The flame-retardant sealing ring for the range hood motor according to claim 1, which is prepared from the following raw materials in parts by weight: 1.5 parts of sulfur powder, 1.0 part of 2-deoxy-22-difluoropentofuranose 1 ketone 35-bis-benzoate, 60 parts of nitrile rubber, 20 parts of zinc borate, 1.0 part of accelerator M, 5 parts of carbon black, 0.8 part of accelerator TMTD, 15 parts of neoprene, 80 parts of aluminum hydroxide, 2 parts of 2-thiol benzimidazole, 2 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 1.0 part of accelerator CZ, 800.8 parts of ETU (ethylene-butylene-terephthalate), 8 parts of zinc oxide, 1.0 part of coupling agent, 0.8 part of stearic acid, 15 parts of white carbon black, FR-3201.5 parts of flame retardant, 2.0 parts of magnesium hydroxide, 10.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, WB-164 parts of processing aid, 0.4 part of carnauba wax and 30 parts of dioctyl ester.
3. The flame-retardant sealing ring for the range hood motor according to claim 1, which is prepared from the following raw materials in parts by weight: 2 parts of sulfur powder, 2 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 90 parts of nitrile rubber, 35 parts of zinc borate, 1.5 parts of an accelerator M, 12.5 parts of carbon black, 1 part of an accelerator TMTD, 30 parts of neoprene, 115 parts of aluminum hydroxide, 2.5 parts of 2-mercaptobenzimidazole, 2.5 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 1.5 parts of an accelerator CZ, 10 parts of ETU-801.0, 10 parts of zinc oxide, 1.5 parts of a coupling agent, 1.15 parts of stearic acid, 22.5 parts of white carbon black, 3.0 parts of a flame retardant FR-3202.5 parts of magnesium hydroxide, 13.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 0.5 part of a processing aid WB-165 part, 0.5 part of carnauba wax and 40 parts of dioctyl ester.
4. The flame-retardant sealing ring for the range hood motor according to claim 1, which is prepared from the following raw materials in parts by weight: 2.5 parts of sulfur powder, 3.0 parts of 2-deoxy 22-difluoropentofuranose 1 ketone 35-bis-benzoate, 120 parts of nitrile rubber, 50 parts of zinc borate, 2.0 parts of accelerator M, 20 parts of carbon black, 1.2 parts of accelerator TMTD, 45 parts of neoprene, 150 parts of aluminum hydroxide, 3 parts of 2-thiol benzimidazole, 3 parts of N-isopropyl-N' -phenyl-p-phenylenediamine, 2.0 parts of accelerator CZ, 801.2 parts of ETU-801, 12 parts of zinc oxide, 2.0 parts of coupling agent, 1.5 parts of stearic acid, 30 parts of white carbon black, FR-3203.5 parts of flame retardant, 4.0 parts of magnesium hydroxide, 16.0 parts of 5- (4-hydroxyphenyl) -2H-pyran-2-ketone, 16.0 parts of processing aid WB-166 parts, 0.6 parts of carnauba wax and 50 parts of dioctyl ester.
5. The flame-retardant sealing ring for the motor of the range hood according to any one of claims 1 to 4, wherein the dioctyl ester is environmentally friendly DOA, the carbon black is N550 carbon black, and the coupling agent is a silane coupling agent.
6. A flame retardant seal ring for a range hood motor according to claim 5 wherein the coupling agent is si-69.
7. The flame-retardant sealing ring for the motor of the range hood according to any one of claims 1 to 4, wherein the nitrile rubber is composed of nitrile rubber N230S and nitrile rubber N240S, and the weight ratio of the nitrile rubber N230S to the nitrile rubber N240S is 1: 9-10.
8. The flame-retardant sealing ring for the motor of the range hood according to any one of claims 1 to 4, wherein the weight ratio of the accelerator CZ, the accelerator M, the accelerator TMTD and the ETU-80 is 1.3-1.4:1.5-1.7:0.9-1.2: 0.9-1.3.
9. The flame-retardant sealing ring for the motor of the range hood as claimed in claim 1, wherein the 2-deoxy 22-difluoropentofuranose 1-35-di-benzoate is one or more of 2-deoxy 22-difluoropentofuranose 1-35-di-benzoate sodium, 2-deoxy 22-difluoropentofuranose 1-35-di-benzoate potassium and 2-deoxy 22-difluoropentofuranose 1-35-di-benzoate magnesium.
10. A method for preparing a flame-retardant sealing ring for a range hood motor according to any one of claims 1 to 9, wherein the method comprises the following steps: plasticating nitrile rubber in an internal mixer, adding 2-deoxy-22-difluoropentofuranose-1-35-bis-benzoate, carbon black, white carbon black, magnesium hydroxide, neoprene, aluminum hydroxide, a coupling agent, zinc borate, a flame retardant FR-320, dioctyl ester, carnauba wax, 2-thiol benzimidazole, N-isopropyl-N' -phenyl-p-phenylenediamine, a processing aid WB-16 and 5- (4-hydroxyphenyl) -2H-pyran-2-one for mixing, then adding zinc oxide, stearic acid, sulfur powder, an accelerator CZ, an accelerator M, accelerators TMTD and ETU-80 for internal mixing to obtain a mixed material; and adding the mixed material into a vulcanizing press for vulcanization to obtain the flame-retardant sealing ring for the motor of the range hood.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111498941.9A CN114213725A (en) | 2021-12-09 | 2021-12-09 | Flame-retardant sealing ring for motor of range hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111498941.9A CN114213725A (en) | 2021-12-09 | 2021-12-09 | Flame-retardant sealing ring for motor of range hood |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212009A (en) * | 2014-09-22 | 2014-12-17 | 江阴海达橡塑股份有限公司 | Halogen-free flame retardant rubber |
| CN106317514A (en) * | 2016-08-31 | 2017-01-11 | 宁国中奕橡塑有限公司 | Flame-retardant sealing ring for motors of range hoods |
| CN106366374A (en) * | 2016-08-31 | 2017-02-01 | 宁国中奕橡塑有限公司 | Oil-resistant sealing ring for motor of range hood |
-
2021
- 2021-12-09 CN CN202111498941.9A patent/CN114213725A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212009A (en) * | 2014-09-22 | 2014-12-17 | 江阴海达橡塑股份有限公司 | Halogen-free flame retardant rubber |
| CN106317514A (en) * | 2016-08-31 | 2017-01-11 | 宁国中奕橡塑有限公司 | Flame-retardant sealing ring for motors of range hoods |
| CN106366374A (en) * | 2016-08-31 | 2017-02-01 | 宁国中奕橡塑有限公司 | Oil-resistant sealing ring for motor of range hood |
Non-Patent Citations (1)
| Title |
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| 孟歌, 西安交通大学出版社 * |
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