CN106118069A - A kind of anti-aging rubber - Google Patents
A kind of anti-aging rubber Download PDFInfo
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- CN106118069A CN106118069A CN201610462070.8A CN201610462070A CN106118069A CN 106118069 A CN106118069 A CN 106118069A CN 201610462070 A CN201610462070 A CN 201610462070A CN 106118069 A CN106118069 A CN 106118069A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention belongs to rubber materials, be specifically related to a kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 60 70 parts, fluorosioloxane rubber 70 80 parts, natural rubber 50 60 parts, ethylene propylene diene rubber 50 60 parts, molybdenum bisuphide 10 25 parts, coumarone indene resin 5 15 parts, methyl methacrylate 15 parts, insoluble sulfur 5 15 parts, barium stearate 15 parts, accelerator 15 parts, dispersant 15 parts, defoamer 13 parts, wetting agent 35 parts, penetrating agent 15 parts, 1 10 parts of age resistor.In the present invention, by the optimization to rubber components, improve its thermostability, resistance to ag(e)ing and impact, having obtained the rubber composition of good combination property, the rubber that rubber composition of the present invention is produced has splendid resisting fatigue ageing properties, can be at life-time service under fatigue state, remain to keep good physical and mechanical properties, having good thermostability, tear resistance, chemical resistance and wearability, service life is long, has a extensive future simultaneously.
Description
Technical field
The invention belongs to rubber materials, be specifically related to a kind of anti-aging rubber.
Background technology
Rubber aging, is primarily referred to as rubber during storage or using, owing to being answered by heat, oxygen, light, machinery
The impact of the extraneous factors such as power, ozone, harmful metal ion so that it is occur physically or chemically to change, make rubber performance deteriorate, and
Gradually lose the phenomenon of use value.Rubber aging in addition to the molecular structure by itself is affected, mainly by its working environment
The i.e. impact of external factor.These external factor can be divided into physical factor, chemical factor and biological factor three types, and each
Type comprises again the most different factors.
Elastomeric material belongs to strategic materials, occupies critical role in national defense industry, and various Model engineerings are not nearly all from
Opening rubber product, the especially application on modern opportunity of combat, naval vessels, rocket etc. is too numerous to enumerate.Quality is military project basis, its product
The quality of quality, life-span length, count for much, and the quality of rubber product is same, but the catabiosis of elastomeric material is serious
Hinder or limit its application, being therefore badly in need of a kind of ageing-resistant rubber, slow down ager process, improve service life.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of anti-aging rubber, the present invention is to pass through following proposal
Realize:
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 60-70 part, fluorosioloxane rubber 70-80 part, sky
So rubber 50-60 part, ethylene propylene diene rubber 50-60 part, molybdenum bisuphide 10-25 part, coumarone indene resin 5-15 part, methacrylic acid
Methyl ester 1-5 part, insoluble sulfur 5-15 part, barium stearate 1-5 part, accelerator 1-5 part, dispersant 1-5 part, defoamer 1-3 part,
Wetting agent 3-5 part, penetrating agent 1-5 part, age resistor 1-10 part.
Preferably, a kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 63-67 part, fluorosioloxane rubber
73-77 part, natural rubber 53-57 part, ethylene propylene diene rubber 53-57 part, molybdenum bisuphide 15-20 part, coumarone indene resin 8-12 part,
Methyl methacrylate 2-4 part, insoluble sulfur 8-12 part, barium stearate 2-4 part, accelerator 2-4 part, dispersant 2-4 part, disappear
Infusion 2 parts, wetting agent 4 parts, penetrating agent 2-4 part, age resistor 3-7 part.
Preferably, a kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 65 parts, fluorosioloxane rubber 75
Part, natural rubber 55 parts, ethylene propylene diene rubber 55 parts, molybdenum bisuphide 18 parts, coumarone indene resin 10 parts, methyl methacrylate 3
Part, insoluble sulfur 10 parts, barium stearate 3 parts, accelerator 3 parts, dispersant 3 parts, defoamer 2 parts, wetting agent 4 parts, penetrating agent 3
Part, 5 parts of age resistor.
Being more highly preferred to, above-mentioned accelerator is stannum class accelerator, and above-mentioned stannum class accelerator is dibutyl tin laurate, pungent
Acid stannous, at least two in CT-E229.
Being more highly preferred to, above-mentioned dispersant is aliphatic amide type dispersant, and above-mentioned aliphatic amide type dispersant is for oneself
Thiazolinyl bis-stearamides.
Being more highly preferred to, above-mentioned defoamer is GPE type defoamer.
Being more highly preferred to, above-mentioned wetting agent is nonionic surfactant, and above-mentioned nonionic surfactant is poly-
Oxygen vinyl alkyl 2, 2-Oxydiphenol, polyoxyethylene aliphatic alcohol ether, any one or more in polyoxyethylene polyoxypropylene block copolymer.
Particularly, above-mentioned penetrating agent is Igepon T, sulfamic acid sodium, fatty alcohol-polyoxyethylene ether, alkylphenol-polyethenoxy
One or more in ether.
Wherein, above-mentioned age resistor is N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethyl
Propylamine, phthalimide and N-methyl-N-cyclohexyl benzyl amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ring pyrrole
Ketoamine, N-first and second-base-N-ethylpropylamine, the mass ratio of phthalimide and N-methyl-N-cyclohexyl benzyl amine is 1:3:
7:1:4。
In the present invention, by the optimization to rubber components, improve its thermostability, resistance to ag(e)ing and impact, obtain
The rubber composition of good combination property, that the rubber that rubber composition of the present invention is produced has splendid resisting fatigue is aging
Performance, can remain to keep good physical and mechanical properties at life-time service under fatigue state, has good heat-resisting simultaneously
Property, tear resistance, chemical resistance and wearability, service life is long, has a extensive future.
Detailed description of the invention
Embodiment 1
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 60 parts, fluorosioloxane rubber 70 parts, natural rubber
50 parts, ethylene propylene diene rubber 50 parts, molybdenum bisuphide 10 parts, coumarone indene resin 5 parts, methyl methacrylate 1 part, insoluble sulfur
5 parts, barium stearate 1 part, accelerator 1 part, dispersant 1 part, defoamer 1 part, wetting agent 3 parts, penetrating agent 1 part, 1 part of age resistor；
Accelerator is dibutyl tin laurate and stannous octoate, and the mass ratio of the two is 5:1；Dispersant is hexenyl stearic bicine diester
Amine；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylated alkyl phenol and polyoxyethylene aliphatic alcohol ether, the quality of the two
Ratio is 3:2；Penetrating agent is sulfamic acid sodium and alkylphenol polyoxyethylene, and the mass ratio of the two is 1:2；Age resistor is N-benzene
Base-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-N-
Cyclohexyl benzyl amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, adjacent benzene
The mass ratio of dicarboximide and N-methyl-N-cyclohexyl benzyl amine is 1:3:7:1:4.
Embodiment 2
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 70 parts, fluorosioloxane rubber 80 parts, natural rubber
60 parts, ethylene propylene diene rubber 60 parts, molybdenum bisuphide 25 parts, coumarone indene resin 15 parts, methyl methacrylate 5 parts, insoluble sulfur
Sulphur 15 parts, barium stearate 5 parts, accelerator 5 parts, dispersant 5 parts, defoamer 3 parts, wetting agent 5 parts, penetrating agent 5 parts, age resistor 10
Part；Accelerator is dibutyl tin laurate and stannous octoate, and the mass ratio of the two is 6:1；Dispersant is double hard for hexenyl
Acyl amine；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylated alkyl phenol and polyoxyethylene aliphatic alcohol ether, the two
Mass ratio is 1:1；Penetrating agent is fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene, and the mass ratio of the two is 3:2；Anti-old
Agent is N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and
N-methyl-N-cyclohexyl benzyl amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethyl
Propylamine, the mass ratio of phthalimide and N-methyl-N-cyclohexyl benzyl amine is 1:3:7:1:4.
Embodiment 3
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 63 parts, fluorosioloxane rubber 73 parts, natural rubber
53 parts, ethylene propylene diene rubber 53 parts, molybdenum bisuphide 15 parts, coumarone indene resin 8 parts, methyl methacrylate 2 parts, insoluble sulfur
8 parts, barium stearate 2 parts, accelerator 2 parts, dispersant 2 parts, defoamer 2 parts, wetting agent 4 parts, penetrating agent 2 parts, 3 parts of age resistor；
Accelerator is dibutyl tin laurate and CT-E229, and the mass ratio of the two is 2:3；Dispersant is hexenyl stearic bicine diester
Amine；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer,
The mass ratio of the two is 5:6；Penetrating agent is Igepon T, sulfamic acid sodium, fatty alcohol-polyoxyethylene ether and alkylphenol-polyethenoxy
Ether, the mass ratio of Igepon T, sulfamic acid sodium, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene is 9:1:2:4；Anti-
Old agent is N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide
With N-methyl-N-cyclohexyl benzyl amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-second
Base propylamine, the mass ratio of phthalimide and N-methyl-N-cyclohexyl benzyl amine is 1:3:7:1:4.
Embodiment 4
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 67 parts, fluorosioloxane rubber 77 parts, natural rubber
57 parts, ethylene propylene diene rubber 57 parts, molybdenum bisuphide 20 parts, coumarone indene resin 12 parts, methyl methacrylate 4 parts, insoluble sulfur
Sulphur 12 parts, barium stearate 4 parts, accelerator 4 parts, dispersant 4 parts, defoamer 2 parts, wetting agent 4 parts, penetrating agent 4 parts, age resistor 7
Part；Accelerator is dibutyl tin laurate and CT-E229, and the mass ratio of the two is 3；5；Dispersant is double stearic for hexenyl
Amide；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymerization
Thing, the mass ratio of the two is 1:7；Penetrating agent is alkylphenol polyoxyethylene；Age resistor is N-phenyl-N`-isopropyl-to benzene two
Amine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-N-cyclohexyl benzyl amine, described N-
Phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-
The mass ratio of N-cyclohexyl benzyl amine is 1:3:7:1:4.
Embodiment 5
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 65 parts, fluorosioloxane rubber 75 parts, natural rubber
55 parts, ethylene propylene diene rubber 55 parts, molybdenum bisuphide 18 parts, coumarone indene resin 10 parts, methyl methacrylate 3 parts, insoluble sulfur
Sulphur 10 parts, barium stearate 3 parts, accelerator 3 parts, dispersant 3 parts, defoamer 2 parts, wetting agent 4 parts, penetrating agent 3 parts, age resistor 5
Part；Accelerator is dibutyl tin laurate and stannous octoate, and the mass ratio of the two is 1；2；Dispersant is double hard for hexenyl
Acyl amine；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylated alkyl phenol and polyoxyethylene aliphatic alcohol ether, the two
Mass ratio is 5:7；Penetrating agent is sulfamic acid sodium, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene, sulfamic acid sodium,
The mass ratio of fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene is 3:5:1；Age resistor is N-phenyl-N`-isopropyl-right
Phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-N-cyclohexyl benzyl amine, institute
State N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-
The mass ratio of methyl-N-cyclohexyl benzyl amine is 1:3:7:1:4.
Comparative example
A kind of anti-aging rubber, including the raw material of following portions by weight: neoprene 71 parts, fluorosioloxane rubber 66 parts, natural rubber
45 parts, ethylene propylene diene rubber 61 parts, molybdenum bisuphide 8 parts, coumarone indene resin 17 parts, methyl methacrylate 0.5 part, insoluble sulfur
Sulphur 4 parts, barium stearate 5 parts, accelerator 7 parts, dispersant 8 parts, defoamer 2 parts, wetting agent 4 parts, penetrating agent 0.5 part, age resistor
11 parts；Accelerator is dibutyl tin laurate and stannous octoate, and the mass ratio of the two is 1；2；Dispersant is double for hexenyl
Stearmide；Defoamer is GPE type defoamer；Wetting agent is polyoxyethylated alkyl phenol and polyoxyethylene aliphatic alcohol ether, the two
Mass ratio be 5:7；Penetrating agent is sulfamic acid sodium, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene, sulfamic acid
The mass ratio of sodium, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene is 3:5:1；Age resistor is N-phenyl-N`-isopropyl
Base-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-N-cyclohexyl benzyl
Amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide
It is 1:4:6:7:4 with the mass ratio of N-methyl-N-cyclohexyl benzyl amine.
The rubber prepared by embodiment 1-5 and comparative example component, its performance parameter such as following table:
Changing the rubber obtained by content of component in the application as seen from table, its performance parameter is deteriorated.
Claims (9)
1. an anti-aging rubber, it is characterised in that include the raw material of following portions by weight: neoprene 60-70 part, fluorine silicon rubber
Glue 70-80 part, natural rubber 50-60 part, ethylene propylene diene rubber 50-60 part, molybdenum bisuphide 10-25 part, coumarone indene resin 5-15
Part, methyl methacrylate 1-5 part, insoluble sulfur 5-15 part, barium stearate 1-5 part, accelerator 1-5 part, dispersant 1-5
Part, defoamer 1-3 part, wetting agent 3-5 part, penetrating agent 1-5 part, age resistor 1-10 part.
2. anti-aging rubber as claimed in claim 1 a kind of, it is characterised in that include the raw material of following portions by weight: neoprene
Rubber 63-67 part, fluorosioloxane rubber 73-77 part, natural rubber 53-57 part, ethylene propylene diene rubber 53-57 part, molybdenum bisuphide 15-20
Part, coumarone indene resin 8-12 part, methyl methacrylate 2-4 part, insoluble sulfur 8-12 part, barium stearate 2-4 part, accelerator
2-4 part, dispersant 2-4 part, defoamer 2 parts, wetting agent 4 parts, penetrating agent 2-4 part, age resistor 3-7 part.
3. anti-aging rubber as claimed in claim 1 a kind of, it is characterised in that include the raw material of following portions by weight: neoprene
Rubber 65 parts, fluorosioloxane rubber 75 parts, natural rubber 55 parts, ethylene propylene diene rubber 55 parts, molybdenum bisuphide 18 parts, coumarone indene resin 10
Part, methyl methacrylate 3 parts, insoluble sulfur 10 parts, barium stearate 3 parts, accelerator 3 parts, dispersant 3 parts, defoamer 2
Part, wetting agent 4 parts, penetrating agent 3 parts, 5 parts of age resistor.
4. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described accelerator is stannum class accelerator, described
Stannum class accelerator is dibutyl tin laurate, stannous octoate, at least two in CT-E229.
5. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described dispersant is aliphatic amide type dispersion
Agent, described aliphatic amide type dispersant is hexenyl bis-stearamides.
6. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described defoamer is GPE type defoamer.
7. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described wetting agent is non-ionic surfactant
Agent, described nonionic surfactant is polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether, polyoxyethylene polyoxypropylene
Any one or more in block copolymer.
8. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described penetrating agent is Igepon T, sulfamic acid
One or more in sodium, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
9. a kind of anti-aging rubber as claimed in claim 1, it is characterised in that described age resistor is N-phenyl-N`-isopropyl
Base-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide and N-methyl-N-cyclohexyl benzyl
Amine, described N-phenyl-N`-isopropyl-p-phenylenediamine, ciclopirox olamine, N-first and second-base-N-ethylpropylamine, phthalimide
It is 1:3:7:1:4 with the mass ratio of N-methyl-N-cyclohexyl benzyl amine.
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| CN201610462070.8A CN106118069A (en) | 2016-06-23 | 2016-06-23 | A kind of anti-aging rubber |
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| CN201610462070.8A CN106118069A (en) | 2016-06-23 | 2016-06-23 | A kind of anti-aging rubber |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106967300A (en) * | 2017-04-21 | 2017-07-21 | 常州市鼎升环保科技有限公司 | A kind of method that bitumen regenerant is prepared based on waste tire |
| CN107522958A (en) * | 2017-09-29 | 2017-12-29 | 桐城市中汇塑业有限公司 | A kind of Medical rubber plug composite and preparation method thereof |
| CN107759907A (en) * | 2017-11-27 | 2018-03-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of anti-aging ethylene propylene diene rubber and preparation method thereof |
| CN107903512A (en) * | 2017-11-27 | 2018-04-13 | 桂林市和鑫防水装饰材料有限公司 | A kind of high-performance ethylene propylene diene rubber |
| CN109553815A (en) * | 2018-12-24 | 2019-04-02 | 宁国市日格美橡塑制品有限公司 | A kind of high tear, lifting lug of vent pipe of highly anti-fatigue and preparation method thereof |
| CN110982161A (en) * | 2019-11-13 | 2020-04-10 | 苏州亨利通信材料有限公司 | Special PE sheath material for photoelectricity |
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| CN105175902A (en) * | 2015-07-15 | 2015-12-23 | 繁昌县菲德通讯材料设计有限公司 | High-strength wear-resistant tear-resistant cable |
| CN105185451A (en) * | 2015-09-22 | 2015-12-23 | 晋源电气集团股份有限公司 | Marine anti-aging and corrosion resistant cable |
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| CN103923423B (en) * | 2014-05-10 | 2016-01-20 | 黄雯楠 | Antifatigue aging rubber composition |
| CN105175902A (en) * | 2015-07-15 | 2015-12-23 | 繁昌县菲德通讯材料设计有限公司 | High-strength wear-resistant tear-resistant cable |
| CN105111515A (en) * | 2015-08-17 | 2015-12-02 | 繁昌县菲德通讯材料设计有限公司 | Novel antioxidant modified natural rubber cable material |
| CN105185451A (en) * | 2015-09-22 | 2015-12-23 | 晋源电气集团股份有限公司 | Marine anti-aging and corrosion resistant cable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106967300A (en) * | 2017-04-21 | 2017-07-21 | 常州市鼎升环保科技有限公司 | A kind of method that bitumen regenerant is prepared based on waste tire |
| CN107522958A (en) * | 2017-09-29 | 2017-12-29 | 桐城市中汇塑业有限公司 | A kind of Medical rubber plug composite and preparation method thereof |
| CN107759907A (en) * | 2017-11-27 | 2018-03-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of anti-aging ethylene propylene diene rubber and preparation method thereof |
| CN107903512A (en) * | 2017-11-27 | 2018-04-13 | 桂林市和鑫防水装饰材料有限公司 | A kind of high-performance ethylene propylene diene rubber |
| CN109553815A (en) * | 2018-12-24 | 2019-04-02 | 宁国市日格美橡塑制品有限公司 | A kind of high tear, lifting lug of vent pipe of highly anti-fatigue and preparation method thereof |
| CN110982161A (en) * | 2019-11-13 | 2020-04-10 | 苏州亨利通信材料有限公司 | Special PE sheath material for photoelectricity |
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