CN112552609A - Insulating flame-retardant ethylene propylene diene monomer rubber material - Google Patents
Insulating flame-retardant ethylene propylene diene monomer rubber material Download PDFInfo
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- CN112552609A CN112552609A CN202011446194.XA CN202011446194A CN112552609A CN 112552609 A CN112552609 A CN 112552609A CN 202011446194 A CN202011446194 A CN 202011446194A CN 112552609 A CN112552609 A CN 112552609A
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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
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/20—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an insulating flame-retardant ethylene propylene diene monomer rubber material which comprises the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 30-50 parts of carbon black N550, 190-120 parts of a reinforcing agent Create E, 30-50 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 3-4 parts of an active agent, 90-110 parts of a flame retardant, 1.3-1.7 parts of sulfur, 0.3-1.0 part of an accelerator TT, 1.3-1.7 parts of an accelerator DM, 2.9-3.1 parts of an accelerator ZDTP and 0.8-1.1 parts of an accelerator TBZTD. The invention adopts a composite reinforcing filling system of N550 and Create E1 to provide good physical and mechanical properties and processability. Meanwhile, the using amount of carbon black is reduced, and good insulating property is ensured; and the flame retardant property of the sizing material is ensured by the adaptation of the composite flame retardant AF903 and the aluminum hydroxide.
Description
Technical Field
The invention belongs to the field of rubber, and particularly relates to an insulating flame-retardant ethylene propylene diene monomer rubber material.
Background
Many rubber products are required to have insulation property and good flame retardant property due to requirements of use environments, but most rubber products are organic substances and have combustion performance, so that a certain contradiction is formed. In order to meet the use requirements, for example, in the fields requiring flame retardance, such as mines, oil wells, public places and the like, certain flame retardance performance must be achieved, some substances containing halogen are usually required to be added for preparing flame-retardant rubber, so that the rubber material has the flame retardance performance, but some physical properties of the rubber material are sacrificed, and therefore, the development of a rubber material which can meet the flame retardance requirements and has excellent insulating performance on the basis of meeting certain physical and mechanical properties is urgent.
Disclosure of Invention
The invention aims to solve the problems and provides an insulating flame-retardant ethylene propylene diene monomer rubber material which has good physical and mechanical properties, insulating property and excellent flame retardant property.
In order to achieve the purpose, the invention provides the following technical scheme: an insulating flame-retardant ethylene propylene diene monomer material comprises the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30-50 parts of carbon black N550, 190-120 parts of a reinforcing agent Create E, 30-50 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 3-4 parts of an active agent, 90-110 parts of a flame retardant, 1.3-1.7 parts of sulfur, 0.3-1.0 part of an accelerator TT, 1.3-1.7 parts of an accelerator DM, 2.9-3.1 parts of an accelerator ZDTP and 0.8-1.1 parts of an accelerator TBZTD.
Preferably, the composition comprises the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30 parts of carbon black N550, 190 parts of a reinforcing agent Create E, 30 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 3 parts of an active agent, 90 parts of a flame retardant, 1.3 parts of sulfur, 0.3 part of an accelerator TT, 1.3 parts of an accelerator DM, 2.9 parts of an accelerator ZDTP and 0.8 part of an accelerator TBZTD.
Preferably, the composition is as follows: 100 parts of EPDM (ethylene-propylene-diene monomer), 50 parts of carbon black N550, 1120 parts of a reinforcing agent Create E, 50 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 4 parts of an active agent, 110 parts of a flame retardant, 1.7 parts of sulfur, 1.0 part of an accelerator TT, 1.7 parts of an accelerator DM, 3.1 parts of an accelerator ZDTP and 1.1 parts of an accelerator TBZTD.
Preferably, the composition is as follows: 100 parts of EPDM (ethylene-propylene-diene monomer), 40 parts of carbon black N550, 1100 parts of a reinforcing agent Create E, 40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 4 parts of an active agent, 100 parts of a flame retardant, 1.5 parts of sulfur, 0.7 part of an accelerator TT, 1.5 parts of an accelerator DM, 3 parts of an accelerator ZDTP and 1.0 part of an accelerator TBZTD.
Preferably, the grade of the ethylene propylene diene monomer is keltan KSA 6405H.
Preferably, the flame retardant is a combination of the flame retardant AF903 and aluminum hydroxide.
The invention also discloses a preparation method of the insulating flame-retardant ethylene propylene diene monomer material, which comprises the following steps: 1) preparing raw materials of the sizing material composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding accelerating vulcanization, adding an accelerator for vulcanization, and controlling the temperature of the adding accelerating mixing to be below 110 ℃; 5) and cooling and receiving materials.
In the preparation of the insulating flame-retardant ethylene propylene diene monomer rubber material, a two-stage vulcanization mode is adopted in the vulcanization process, so that the production period is greatly shortened.
The ethylene propylene diene monomer rubber is Keltan KSA 6405H, and a composite reinforcing filling system of N550 and Create E1 is adopted, so that good physical and mechanical properties are provided for a rubber material system, and sufficient good processing performance is guaranteed.
The rubber material prepared by the invention meets the following performances:
hardness of 70-80
The breaking strength is more than or equal to 10MPa
The elongation at break is more than or equal to 400 percent
The flame retardant property meets the v0 rating (2 seconds away from the fire source)
Volume resistivity is more than or equal to 1012Ω·cm。
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples 1 to 4
The preparation method of the insulating flame-retardant ethylene propylene diene monomer rubber material comprises the following steps of 1) batching, and preparing raw materials of a rubber composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding accelerating vulcanization, adding an accelerator for vulcanization, and controlling the temperature of the adding accelerating mixing to be below 110 ℃; 5) and cooling and receiving materials.
The name and the proportion of the raw materials in the insulating flame-retardant ethylene propylene diene monomer rubber material are shown in table 1.
TABLE 1
In Table 1, the EPDM is Keltan KSA 6405H.
The flame retardant is a combination of flame retardant AF903 and aluminum hydroxide.
TABLE 2 Properties of the compositions prepared in examples 1 to 4
Note: the detection basis is as follows: GB/T528 determination of tensile stress strain Properties of vulcanized rubber or thermoplastic rubber;
GB/T2411 in determination of indentation hardness (Shore hardness) of plastics and hard rubber by using a hardness tester;
as can be seen from Table 2, the hardness of the rubber material is 70-80, the breaking strength is more than or equal to 10MPa, the breaking elongation is more than or equal to 400 percent, the flame retardant property meets the v0 grade (2 seconds away from a fire source to extinguish), and the volume resistivity is more than or equal to 1012Ω·cm。
In conclusion, the insulating flame-retardant ethylene propylene diene monomer rubber material provided by the invention designs a composite reinforcing filling system of N550 and Create E1, provides good physical and mechanical properties for a rubber material system and ensures sufficiently good processing properties. Meanwhile, the using amount of carbon black is reduced, so that good insulating property is ensured; the flame retardant property of the sizing material is ensured by the adaptation of the composite flame retardant AF903 and the aluminum hydroxide, and the flame retardant property can meet the UL 94V 0 grade through tests. Therefore, the insulating flame-retardant ethylene propylene diene monomer rubber material prepared by the invention not only has excellent flame retardant property, but also has excellent physical and mechanical properties, processability and insulating property.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An insulating flame-retardant ethylene propylene diene monomer material is characterized by comprising the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30-50 parts of carbon black N550, 190-120 parts of a reinforcing agent Create E, 30-50 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 3-4 parts of an active agent, 90-110 parts of a flame retardant, 1.3-1.7 parts of sulfur, 0.3-1.0 part of an accelerator TT, 1.3-1.7 parts of an accelerator DM, 2.9-3.1 parts of an accelerator ZDTP and 0.8-1.1 parts of an accelerator TBZTD.
2. The insulating flame-retardant ethylene propylene diene monomer material according to claim 1, which is characterized by comprising the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30 parts of carbon black N550, 190 parts of a reinforcing agent Create E, 30 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 3 parts of an active agent, 90 parts of a flame retardant, 1.3 parts of sulfur, 0.3 part of an accelerator TT, 1.3 parts of an accelerator DM, 2.9 parts of an accelerator ZDTP and 0.8 part of an accelerator TBZTD.
3. The insulating flame-retardant ethylene propylene diene monomer material according to claim 1, which is characterized by comprising the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 50 parts of carbon black N550, 1120 parts of a reinforcing agent Create E, 50 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 4 parts of an active agent, 110 parts of a flame retardant, 1.7 parts of sulfur, 1.0 part of an accelerator TT, 1.7 parts of an accelerator DM, 3.1 parts of an accelerator ZDTP and 1.1 parts of an accelerator TBZTD.
4. The insulating flame-retardant ethylene propylene diene monomer material according to claim 1, which is characterized by comprising the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 40 parts of carbon black N550, 1100 parts of a reinforcing agent Create E, 40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 4 parts of an active agent, 100 parts of a flame retardant, 1.5 parts of sulfur, 0.7 part of an accelerator TT, 1.5 parts of an accelerator DM, 3 parts of an accelerator ZDTP and 1.0 part of an accelerator TBZTD.
5. The insulating flame-retardant ethylene propylene diene monomer material as claimed in any one of claims 1 to 4, wherein the grade of the ethylene propylene diene monomer is keltan KSA 6405H.
6. The insulating flame-retardant ethylene propylene diene monomer rubber material as claimed in any one of claims 1 to 4, wherein the flame retardant is a combination of a flame retardant AF903 and aluminum hydroxide.
7. The insulating flame-retardant ethylene propylene diene monomer rubber material as claimed in claim 1, wherein the preparation method of the rubber material for the brake cup is as follows, 1) batching, preparing raw materials of the rubber material composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding accelerating vulcanization, adding an accelerator for vulcanization, and controlling the temperature of the adding accelerating mixing to be below 110 ℃; 5) and cooling and receiving materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446194.XA CN112552609A (en) | 2020-12-09 | 2020-12-09 | Insulating flame-retardant ethylene propylene diene monomer rubber material |
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| CN202011446194.XA CN112552609A (en) | 2020-12-09 | 2020-12-09 | Insulating flame-retardant ethylene propylene diene monomer rubber material |
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| CN112552609A true CN112552609A (en) | 2021-03-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417555A (en) * | 2021-07-01 | 2021-09-21 | 上海荣南科技股份有限公司 | Automobile anti-pinch strip and preparation process thereof |
| CN113717474A (en) * | 2021-09-09 | 2021-11-30 | 东莞世纪创造绝缘有限公司 | EPDM flame-retardant rubber |
| CN113912953A (en) * | 2021-10-29 | 2022-01-11 | 宜兴市玛斯特新型材料有限公司 | Foaming material and method for preparing rubber foaming plate by using same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417555A (en) * | 2021-07-01 | 2021-09-21 | 上海荣南科技股份有限公司 | Automobile anti-pinch strip and preparation process thereof |
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| CN113912953A (en) * | 2021-10-29 | 2022-01-11 | 宜兴市玛斯特新型材料有限公司 | Foaming material and method for preparing rubber foaming plate by using same |
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Application publication date: 20210326 |