CN106118060A - A kind of conductive rubber composition and preparation method thereof - Google Patents
A kind of conductive rubber composition and preparation method thereof Download PDFInfo
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- CN106118060A CN106118060A CN201610647466.XA CN201610647466A CN106118060A CN 106118060 A CN106118060 A CN 106118060A CN 201610647466 A CN201610647466 A CN 201610647466A CN 106118060 A CN106118060 A CN 106118060A
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- fluorubber
- rubber composition
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- silicone rubber
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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
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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
- C08K2201/001—Conductive additives
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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
Abstract
nullThe invention discloses a kind of conductive rubber composition and preparation method thereof，Its raw material includes by weight: 50 100 parts of silicone rubber，Fluorubber 20 60 parts，Conductive filler 30 60 parts，Vulcanizing agent 15 parts，Calcium carbonate 10 20 parts、(DDC)2Zn 15 parts、Silane coupler 3 15 parts，10 20 parts of age resistor，Reinforcing agent 10 20 parts，The present invention is by silicone rubber、Fluorubber、Conductive filler、Age resistor、Reinforcing agent、Vulcanizing agent and silane coupler are made for having silicone rubber and the conductive rubber composition of fluorubber good characteristic concurrently，There is silicone rubber specific insulation little、Hardness is low、High-low temperature resistant、Ageing-resistant、Process for machining and manufacturing performance is good and the feature of fluorubber oil resistant solvent resistance，Its volume change only has 1.2%，And through the traditional silicon rubber volume rate of change of same test be 25%，The volume change of fluorosioloxane rubber is 3%，Illustrate that the sample oil resistant solvent resistance prepared by technical solution of the present invention is obviously improved.
Description
Technical field
The present invention relates to field of rubber technology, be specifically related to a kind of conductive rubber composition and preparation method thereof.
Background technology
Elastomeric material is a kind of macromolecular material that can recover rapidly deformation under large deformation, and it is the important of national economy
One of basic industry, conductive rubber is with rubber for base glue, and filling hybrid conductive filler and cross-linking agent etc. are joined refining sulfuration and formed, tool
There are good electric conductivity and filling capacity, extensively should in the fields such as electronics, telecommunications, electric power, military project, Aeronautics and Astronautics and naval vessel
With, it is used for the sealing such as electronics and microwave waveguide system and the electromagnetic shielding occasions such as cabinet, rack, shelter.Existing conduction rubber
Glue is many with silicone rubber as matrix.Compared with general conductive rubber, conductive silicon rubber have that specific insulation is little, hardness is low, resistance to
High/low temperature (-70 to 200 DEG C), the advantage that ageing-resistant, process for machining and manufacturing performance is good, be particularly suitable for manufacture conduct electricity very well,
The conductive rubber products that complex-shaped and structure is tiny.But, some application has oil resistant and solvent-proof to conductive rubber
Performance requirement, and its oil resistant solvent resistance of existing conductive silicon rubber is poor, it is impossible to meet this kind of use requirement.Fluorubber is
One class new special rubber, due to its excellent combination property, especially have good have oil resistant, high temperature resistant, solvent resistant, resistance to by force
Acid, powerful oxidation corrosion resistance agent and the good characteristic such as fire-retardant, so at defence and military, Aero-Space, electronic communication, shipping vehicle and oil
The fields such as chemical industry are applied widely.Fluorosioloxane rubber is a class new special rubber, combines fluorubber and silicone rubber is many
Planting advantage, fluorosioloxane rubber is relative to fluorubber or silicone rubber, and its synthesis difficulty is larger, thus relatively costly, limits it
Application in conductive rubber.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of conductive rubber composition and preparation method thereof, solves existing fluorine
There is synthesis difficulty and want big and that cost is high problem in silicone rubber.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of conductive rubber composition, its raw material includes by weight:
Preferably, a kind of conductive rubber composition, its raw material includes by weight:
Preferably, a kind of conductive rubber composition, its raw material includes by weight:
Preferably, reinforcing agent is white carbon black.
Preferably, age resistor is N-phenyl-α-aniline or age resistor CPPD.
Preferably, vulcanizing agent is cumyl peroxide.
Preferably, silicone rubber is methyl silicone rubber or vinylsiloxane rubber or phenyl siloxane rubber.
Preferably, fluorubber is TPO fluorubber or nitrosofluoro rubber or 4 third fluorubber or fluoroether rubber partially
Or perfluoroelastomers.
Preferably, conductive filler is graphite or argentum powder or silver alclad or silver copper-clad or silver nickel coat or silver bag glass microsphere or nickel
Bag carbon or nickel alclad.
The preparation method of a kind of conductive rubber composition, comprises the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl
Base zinc dithiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, first cure temperature is 1150 DEG C, sulfur
The change time is 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
Beneficial effects of the present invention:
The present invention is by components such as silicone rubber, fluorubber, conductive filler, age resistor, reinforcing agent, vulcanizing agent and silane couplers
Being processed by proportioning and preparation method, final acquisition has the conductive rubber combination of silicone rubber and fluorubber good characteristic concurrently
Thing, technical solution of the present invention the sample prepared, have that silicone rubber specific insulation is little, hardness is low, high-low temperature resistant, ageing-resistant,
Process for machining and manufacturing performance is good and the feature of fluorubber oil resistant solvent resistance, presses the sample prepared by technical solution of the present invention
After oil resistance testing standard ASTM D471 test, its volume change only has 1.2%, and through the traditional silicon rubber of same test
Glue volume change is 25%, and the volume change of fluorosioloxane rubber is 3%, illustrates that the sample prepared by technical solution of the present invention is resistance to
Oil solvent resistance is obviously improved.
Detailed description of the invention
Describe the present invention below by way of specific embodiment.
Embodiment 1
The present invention proposes a kind of conductive rubber composition, and its raw material includes by weight:
Reinforcing agent is white carbon black, and age resistor is N-phenyl-α-aniline, and vulcanizing agent is cumyl peroxide, and silicone rubber is first
Base silicone rubber, fluorubber is TPO fluorubber, and conductive filler is graphite.
Invention additionally discloses the preparation method of a kind of conductive rubber composition, comprise the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl
Base zinc dithiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, first cure temperature is 1150 DEG C, sulfur
The change time is 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
Embodiment 2
The present invention proposes a kind of conductive rubber composition, and its raw material includes by weight:
Reinforcing agent is white carbon black, and age resistor is N-phenyl-α-aniline, and vulcanizing agent is cumyl peroxide, and silicone rubber is first
Base silicone rubber, fluorubber is TPO fluorubber, and conductive filler is graphite.
Invention additionally discloses the preparation method of a kind of conductive rubber composition, comprise the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl
Base zinc dithiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, first cure temperature is 1150 DEG C, sulfur
The change time is 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
Embodiment 3
The present invention proposes a kind of conductive rubber composition, and its raw material includes by weight:
Reinforcing agent is white carbon black, and age resistor is N-phenyl-α-aniline, and vulcanizing agent is cumyl peroxide, and silicone rubber is first
Base silicone rubber, fluorubber is TPO fluorubber, and conductive filler is silver alclad.
Invention additionally discloses the preparation method of a kind of conductive rubber composition, comprise the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl
Base zinc dithiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, first cure temperature is 1150 DEG C, sulfur
The change time is 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
Embodiment 4
The present invention proposes a kind of conductive rubber composition, and its raw material includes by weight:
Reinforcing agent is white carbon black, and age resistor is N-phenyl-α-aniline, and vulcanizing agent is cumyl peroxide, and silicone rubber is second
Thiazolinyl silicone rubber, fluorubber is nitrosofluoro rubber, and conductive filler is silver alclad.
Invention additionally discloses the preparation method of a kind of conductive rubber composition, comprise the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl
Base zinc dithiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, first cure temperature is 1150 DEG C, sulfur
The change time is 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
Invention described above embodiment, is not intended that limiting the scope of the present invention.Any in the present invention
Spirit and principle within amendment, equivalent and the improvement etc. made, should be included in the claim protection model of the present invention
Within enclosing.
Claims (10)
1. a conductive rubber composition, it is characterised in that its raw material includes by weight:
A kind of conductive rubber composition the most according to claim 1, it is characterised in that its raw material includes by weight:
A kind of conductive rubber composition the most according to claim 1, it is characterised in that its raw material includes by weight:
A kind of conductive rubber composition the most according to claim 1, it is characterised in that reinforcing agent is white carbon black.
A kind of conductive rubber composition the most according to claim 1, it is characterised in that age resistor is N-phenyl-α-aniline
Or age resistor CPPD.
A kind of conductive rubber composition the most according to claim 1, it is characterised in that vulcanizing agent is peroxidating diisopropyl
Benzene.
A kind of conductive rubber composition the most according to claim 1, it is characterised in that silicone rubber is methyl silicone rubber or second
Thiazolinyl silicone rubber or phenyl siloxane rubber.
A kind of conductive rubber composition the most according to claim 1, it is characterised in that fluorubber is TPO fluorubber
Or nitrosofluoro rubber or 4 third fluorubber or fluoroether rubber or perfluoroelastomers partially.
A kind of conductive rubber composition the most according to claim 1, it is characterised in that conductive filler be graphite or argentum powder or
Silver alclad or silver copper-clad or silver nickel coat or silver bag glass microsphere or nickel bag carbon or nickel alclad.
10. the preparation method of a conductive rubber composition, it is characterised in that comprise the following steps:
Step 1: respectively silicone rubber and fluorubber are carried out cold plastication by mill；
Step 2: the silicone rubber after step 1 is plasticated, fluorubber, conductive filler, age resistor, reinforcing agent, calcium carbonate, diethyl two
Zinc thiocarbamate, vulcanizing agent, silane coupler mix, gained mixture is carried out twice mixing；
Step 3: the step 2 mixture after mixing is parked process, and the storage period is 15h；
Step 4: the mixture after step 3 being processed carries out post vulcanization process, and first cure temperature is 1150 DEG C, during sulfuration
Between be 20min；Second segment curing temperature is 160 DEG C, and cure time is 6h.
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| CN201610647466.XA CN106118060A (en) | 2016-08-09 | 2016-08-09 | A kind of conductive rubber composition and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216507A (en) * | 2017-06-30 | 2017-09-29 | 南通鸿图橡塑有限公司 | A kind of heat conductive rubber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542470A (en) * | 2015-12-24 | 2016-05-04 | 平湖阿莱德实业有限公司 | Conductive rubber composition and preparing method thereof |
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- 2016-08-09 CN CN201610647466.XA patent/CN106118060A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542470A (en) * | 2015-12-24 | 2016-05-04 | 平湖阿莱德实业有限公司 | Conductive rubber composition and preparing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216507A (en) * | 2017-06-30 | 2017-09-29 | 南通鸿图橡塑有限公司 | A kind of heat conductive rubber |
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Application publication date: 20161116 |