CN108822415A - Anti-aging compounded rubber of insulation for automotive wire bundle and preparation method thereof - Google Patents
Anti-aging compounded rubber of insulation for automotive wire bundle and preparation method thereof Download PDFInfo
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- CN108822415A CN108822415A CN201810683992.0A CN201810683992A CN108822415A CN 108822415 A CN108822415 A CN 108822415A CN 201810683992 A CN201810683992 A CN 201810683992A CN 108822415 A CN108822415 A CN 108822415A
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- automotive wire
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the anti-aging compounded rubbers of insulation and preparation method thereof for automotive wire bundle, and the anti-aging compounded rubber of the insulation includes following raw material：Rubber substrate, skeleton filler, insulating composite material, nano zine oxide, methyltriethoxysilane, chlorinated paraffin, antioxidant MC-N-4 (aniiinophenyl) maleimide, diisooctyl phthalate DIDP, vulcanizing system.The anti-aging compounded rubber of insulation of the invention is using insulation anti-aging rubber substrate; add insulating composite material and vulcanizing system etc.; so that the rubber being prepared has preferable tensile strength; insulating properties and anti ageing property; made product has preferable insulation performance and mechanical strength, is conducive to the protection of automotive wire bundle and the integrality of whole interior construction.
Description
Technical field
The invention belongs to harness rubber fields, and in particular to the anti-aging compounded rubber of insulation and its system for automotive wire bundle
Preparation Method.
Background technique
Automotive wire harness rubber piece refers to guarantee the performances such as good waterproof, wire harness protection, harness smooth transition, and in vehicle
The elastic rubber part used at body metal plate wire harness passing-hole, is mainly distributed on engine and driver's cabin interface, front deck and driving
Room interface (left and right is at totally two), four and compartment interface, fuel tank entrance.Although automotive wire harness rubber piece accounts for overall wire sheaves
Specific gravity it is not high, but role can not be ignored.
Summary of the invention
In view of the foregoing, it is an object to provide a kind of anti-aging compounded rubber of insulation for automotive wire bundle
And preparation method thereof, it uses electro-insulating rubber for substrate, compounds insulating composite material and vulcanizing system etc., the rubber being prepared is exhausted
Edge, anti-aging, mechanical strength is preferable, is conducive to the protection of automotive wire bundle and the integrality of whole interior construction.
To achieve the goals above, the technical solution adopted by the present invention is：Insulation for automotive wire bundle is anti-aging compound
Rubber is made of the raw material of following parts by weight：100-130 parts of rubber substrate, 12-28 parts of skeleton filler, insulating composite material 5-
10 parts, 1.2-2.5 parts of nano zine oxide, 0.5-0.9 parts of methyltriethoxysilane, 0.8-1.4 parts of chlorinated paraffin, anti-aging agent
1.5-3 parts of MC-N-4 (aniiinophenyl) maleimide, 2.5-4.8 parts of diisooctyl phthalate DIDP, vulcanizing system
2-4 parts；Wherein, the preparation step of the insulating composite material is as follows：
(1) according to parts by weight, 3-5 parts of expanded graphites, 1.5-3 parts of nano silicas, 0.4-0.7 parts of nanometer nitrogen are weighed
Change boron and 2-3.5 parts of end hydroxy butadienes are mixed evenly, adds 2-4 parts of perfluoropolyether and be uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 4-6h and is taken out, then the mixture of taking-up is set
Dry 6-8h at 60-80 DEG C in a vacuum drying oven, obtains insulating composite material.
The rubber substrate is the compound of ethylene propylene diene rubber, silicon rubber, natural rubber and butyl rubber；Wherein, three
First EP rubbers, silicon rubber, natural rubber and butyl rubber weight part ratio be (5-8)：(2.5-4)：(1.2-2)：1.
The skeleton filler is the compound of gas-phase silica, super-fine active calcium carbide and nano kaoline；Wherein, gas
The weight part ratio of phase white carbon black, super-fine active calcium carbide and nano kaoline is (3-5)：(2-3)：1.
The vulcanizing system is the compound of sulphur and accelerator D TDM；Wherein, sulphur and accelerator D TDM
Compound weight part ratio be (1.2-1.8):1.
The preparation method of the above-mentioned anti-aging compounded rubber of insulation for automotive wire bundle, includes the following steps：
1) into mixer be added predetermined ratio rubber substrate, chlorinated paraffin and diisooctyl phthalate DIDP into
Row is kneaded, and 125-135 DEG C of mixing is to slowly warm up to after charging, and mixed rubber substrate is made in mixing time 3-5h；
2) be added again into the resulting mixed rubber substrate of step 1) the skeleton filler of predetermined ratio, insulating composite material,
Nano zine oxide, methyltriethoxysilane and antioxidant MC-N-4 (aniiinophenyl) maleimide delay after charging
Slowly it is warming up to 155-165 DEG C of mixing, masterbatch is made in mixing time 6-8h；
3) will the resulting masterbatch of step 2) and vulcanizing system be blended after carry out twice vulcanizing treatment to get for automotive wire bundle
The anti-aging compounded rubber of insulation.
In step 3), the vulcanizing treatment twice is primary vulcanization processing and second of vulcanizing treatment；Wherein, first
The curing temperature of secondary vulcanizing treatment is：130-145 DEG C, vulcanization time 30-50min, sulfide stress 12-15MPa；Second
The curing temperature of vulcanizing treatment is：175-190 DEG C, vulcanization time 3-5h, sulfide stress 14-16MPa.
Beneficial effects of the present invention：The anti-aging compounded rubber of insulation of the invention is added using insulation anti-aging rubber substrate
Add insulating composite material and vulcanizing system etc., so that the rubber being prepared has a preferable tensile strength, insulating properties and anti-old
Change performance, made product has preferable insulation performance and mechanical strength, and protection and the entirety for being conducive to automotive wire bundle are interior
The integrality of construction.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, it is not limited to these embodiments.In embodiment, all raw materials are commercially available
Product.
Embodiment 1
The anti-aging compounded rubber of insulation for automotive wire bundle, is made of the raw material of following parts by weight：
120 parts of rubber substrate, 25 parts of skeleton filler, 8 parts of insulating composite material, 2.1 parts of nano zine oxide, three ethoxy of methyl
0.7 part of base silane, 1.2 parts of chlorinated paraffin, 2.6 parts of antioxidant MC-N-4 (aniiinophenyl) maleimide, phthalic acid
DIDP4.2 parts of diisodecyl ester, 3.6 parts of vulcanizing system；Wherein, the preparation step of the insulating composite material is as follows：
(1) according to parts by weight, weigh 4 parts of expanded graphites, 2.4 parts of nano silicas, 0.6 part of nm-class boron nitride and
3.3 parts of end hydroxy butadienes are mixed evenly, and add 4 parts of perfluoropolyether and are uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 6h and is taken out, then the mixture of taking-up is placed in
Dry 8h at 75 DEG C, obtains insulating composite material in vacuum oven.
The rubber substrate is the compound of ethylene propylene diene rubber, silicon rubber, natural rubber and butyl rubber；Wherein, three
First EP rubbers, silicon rubber, natural rubber and butyl rubber weight part ratio be 7：3.5：1.5：1.
The skeleton filler is the compound of gas-phase silica, super-fine active calcium carbide and nano kaoline；Wherein, gas
The weight part ratio of phase white carbon black, super-fine active calcium carbide and nano kaoline is 4：2.5：1.
The vulcanizing system is the compound of sulphur and accelerator D TDM；Wherein, sulphur and accelerator D TDM
Compound weight part ratio be 1.5:1.
The preparation method of the above-mentioned anti-aging compounded rubber of insulation for automotive wire bundle, includes the following steps：
1) into mixer be added predetermined ratio rubber substrate, chlorinated paraffin and diisooctyl phthalate DIDP into
Row is kneaded, and 130 DEG C of mixings are to slowly warm up to after charging, and mixed rubber substrate is made in mixing time 4.5h；
2) be added again into the resulting mixed rubber substrate of step 1) the skeleton filler of predetermined ratio, insulating composite material,
Nano zine oxide, methyltriethoxysilane and antioxidant MC-N-4 (aniiinophenyl) maleimide delay after charging
Slowly 163 DEG C of mixings are warming up to, masterbatch is made in mixing time 7.5h；
3) will the resulting masterbatch of step 2) and vulcanizing system be blended after carry out twice vulcanizing treatment to get for automotive wire bundle
The anti-aging compounded rubber of insulation.
In step 3), the vulcanizing treatment twice is primary vulcanization processing and second of vulcanizing treatment；Wherein, first
The curing temperature of secondary vulcanizing treatment is：140 DEG C, vulcanization time 40min, sulfide stress 13MPa；Second vulcanizing treatment
Curing temperature is：185 DEG C, vulcanization time 5h, sulfide stress 15MPa.
It is learnt through detection, the resistance value of the anti-aging compounded rubber of insulation of the invention at 30 DEG C is 70.2M Ω ㎞, absolutely
Edge effect is preferable.
Embodiment 2
The anti-aging compounded rubber of insulation for automotive wire bundle, is made of the raw material of following parts by weight：
126 parts of rubber substrate, 26 parts of skeleton filler, 8 parts of insulating composite material, 2.3 parts of nano zine oxide, three ethoxy of methyl
0.8 part of base silane, 1.3 parts of chlorinated paraffin, 2.8 parts of antioxidant MC-N-4 (aniiinophenyl) maleimide, phthalic acid
DIDP4.6 parts of diisodecyl ester, 4 parts of vulcanizing system；Wherein, the preparation step of the insulating composite material is as follows：
(1) according to parts by weight, weigh 4 parts of expanded graphites, 2.4 parts of nano silicas, 0.6 part of nm-class boron nitride and
3.3 parts of end hydroxy butadienes are mixed evenly, and add 4 parts of perfluoropolyether and are uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 6h and is taken out, then the mixture of taking-up is placed in
Dry 8h at 75 DEG C, obtains insulating composite material in vacuum oven.
The rubber substrate is the compound of ethylene propylene diene rubber, silicon rubber, natural rubber and butyl rubber；Wherein, three
First EP rubbers, silicon rubber, natural rubber and butyl rubber weight part ratio be 7：3.5：1.5：1.
The skeleton filler is the compound of gas-phase silica, super-fine active calcium carbide and nano kaoline；Wherein, gas
The weight part ratio of phase white carbon black, super-fine active calcium carbide and nano kaoline is 4：2.5：1.
The vulcanizing system is the compound of sulphur and accelerator D TDM；Wherein, sulphur and accelerator D TDM
Compound weight part ratio be 1.5:1.
The preparation method of the above-mentioned anti-aging compounded rubber of insulation for automotive wire bundle, includes the following steps：
1) into mixer be added predetermined ratio rubber substrate, chlorinated paraffin and diisooctyl phthalate DIDP into
Row is kneaded, and 130 DEG C of mixings are to slowly warm up to after charging, and mixed rubber substrate is made in mixing time 4.5h；
2) be added again into the resulting mixed rubber substrate of step 1) the skeleton filler of predetermined ratio, insulating composite material,
Nano zine oxide, methyltriethoxysilane and antioxidant MC-N-4 (aniiinophenyl) maleimide delay after charging
Slowly 163 DEG C of mixings are warming up to, masterbatch is made in mixing time 7.5h；
3) will the resulting masterbatch of step 2) and vulcanizing system be blended after carry out twice vulcanizing treatment to get for automotive wire bundle
The anti-aging compounded rubber of insulation.
In step 3), the vulcanizing treatment twice is primary vulcanization processing and second of vulcanizing treatment；Wherein, first
The curing temperature of secondary vulcanizing treatment is：140 DEG C, vulcanization time 40min, sulfide stress 13MPa；Second vulcanizing treatment
Curing temperature is：185 DEG C, vulcanization time 5h, sulfide stress 15MPa.
It is learnt through detection, the resistance value of the anti-aging compounded rubber of insulation of the invention at 30 DEG C is 70.8M Ω ㎞, absolutely
Edge effect is preferable.
Claims (6)
1. being used for the anti-aging compounded rubber of insulation of automotive wire bundle, which is characterized in that be made of the raw material of following parts by weight：Rubber
100-130 parts of substrate, 12-28 parts of skeleton filler, 5-10 parts of insulating composite material, 1.2-2.5 parts of nano zine oxide, three second of methyl
0.5-0.9 parts of oxysilane, 0.8-1.4 parts of chlorinated paraffin, antioxidant MC-N-4 (aniiinophenyl) maleimide 1.5-3
Part, 2.5-4.8 parts of diisooctyl phthalate DIDP, 2-4 parts of vulcanizing system；Wherein, the preparation of the insulating composite material
Steps are as follows：
(1) according to parts by weight, 3-5 parts of expanded graphites, 1.5-3 parts of nano silicas, 0.4-0.7 parts of nm-class boron nitrides are weighed
It is mixed evenly with 2-3.5 parts of end hydroxy butadienes, adds 2-4 parts of perfluoropolyether and be uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 4-6h and is taken out, then the mixture of taking-up is placed in very
Dry 6-8h at 60-80 DEG C, obtains insulating composite material in empty drying box.
2. the anti-aging compounded rubber of the insulation according to claim 1 for automotive wire bundle, which is characterized in that the rubber
Substrate is the compound of ethylene propylene diene rubber, silicon rubber, natural rubber and butyl rubber；Wherein, ethylene propylene diene rubber, silicon rubber
The weight part ratio of glue, natural rubber and butyl rubber is (5-8)：(2.5-4)：(1.2-2)：1.
3. the anti-aging compounded rubber of the insulation according to claim 1 for automotive wire bundle, which is characterized in that the skeleton
Filler is the compound of gas-phase silica, super-fine active calcium carbide and nano kaoline；Wherein, gas-phase silica, ultra-fine work
Property calcium carbonate and nano kaoline weight part ratio be (3-5)：(2-3)：1.
4. the anti-aging compounded rubber of the insulation according to claim 1 for automotive wire bundle, which is characterized in that the vulcanization
System is the compound of sulphur and accelerator D TDM；Wherein, the parts by weight of the compound of sulphur and accelerator D TDM
Than for (1.2-1.8):1.
5. the preparation method described in claim 1-4 any one for the anti-aging compounded rubber of insulation of automotive wire bundle,
It is characterized in that, includes the following steps：
1) rubber substrate, chlorinated paraffin and the diisooctyl phthalate DIDP that predetermined ratio is added into mixer are mixed
Refining, is to slowly warm up to 125-135 DEG C of mixing after charging, mixed rubber substrate is made in mixing time 3-5h；
2) skeleton filler, the insulating composite material, nanometer of predetermined ratio is added into the resulting mixed rubber substrate of step 1) again
Zinc oxide, methyltriethoxysilane and antioxidant MC-N-4 (aniiinophenyl) maleimide, slowly rise after charging
Temperature is kneaded to 155-165 DEG C, and masterbatch is made in mixing time 6-8h；
3) will the resulting masterbatch of step 2) and vulcanizing system be blended after carry out twice vulcanizing treatment to get for the exhausted of automotive wire bundle
The anti-aging compounded rubber of edge.
6. the preparation method of the insulation anti-aging compounded rubber according to claim 5 for automotive wire bundle, feature exist
In in step 3), the vulcanizing treatment twice is primary vulcanization processing and second of vulcanizing treatment；Wherein, first time sulphur
Changing the curing temperature handled is：130-145 DEG C, vulcanization time 30-50min, sulfide stress 12-15MPa；Second of vulcanization
The curing temperature of processing is：175-190 DEG C, vulcanization time 3-5h, sulfide stress 14-16MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683992.0A CN108822415A (en) | 2018-06-28 | 2018-06-28 | Anti-aging compounded rubber of insulation for automotive wire bundle and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683992.0A CN108822415A (en) | 2018-06-28 | 2018-06-28 | Anti-aging compounded rubber of insulation for automotive wire bundle and preparation method thereof |
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| CN108822415A true CN108822415A (en) | 2018-11-16 |
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| CN201810683992.0A Pending CN108822415A (en) | 2018-06-28 | 2018-06-28 | Anti-aging compounded rubber of insulation for automotive wire bundle and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286162A (en) * | 2011-06-20 | 2011-12-21 | 沈阳天荣电缆材料有限公司 | Preparation method of deep sea cable filling strip |
| CN103819758A (en) * | 2014-02-26 | 2014-05-28 | 秦荣勤 | Flame-retardant fire-resistant rubber composition and preparation method thereof, and flame-retardant fire-resistant rubber wrapping tape |
| CN108172554A (en) * | 2018-03-27 | 2018-06-15 | 梧州三和新材料科技有限公司 | A kind of high heat conduction and high-heating radiation piece and preparation method thereof |
-
2018
- 2018-06-28 CN CN201810683992.0A patent/CN108822415A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286162A (en) * | 2011-06-20 | 2011-12-21 | 沈阳天荣电缆材料有限公司 | Preparation method of deep sea cable filling strip |
| CN103819758A (en) * | 2014-02-26 | 2014-05-28 | 秦荣勤 | Flame-retardant fire-resistant rubber composition and preparation method thereof, and flame-retardant fire-resistant rubber wrapping tape |
| CN108172554A (en) * | 2018-03-27 | 2018-06-15 | 梧州三和新材料科技有限公司 | A kind of high heat conduction and high-heating radiation piece and preparation method thereof |
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