CN110577706A - Halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing strip and preparation method thereof - Google Patents
Halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing strip and preparation method thereof Download PDFInfo
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- CN110577706A CN110577706A CN201910929692.0A CN201910929692A CN110577706A CN 110577706 A CN110577706 A CN 110577706A CN 201910929692 A CN201910929692 A CN 201910929692A CN 110577706 A CN110577706 A CN 110577706A
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- halogen
- diene monomer
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- sealing strip
- free flame
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
Abstract
the invention discloses an ethylene propylene diene monomer rubber for a halogen-free flame-retardant sealing strip, which comprises the following components in percentage by weight: 24-27% of ethylene propylene diene monomer; 15-19% of carbon black; flame retardant: 34 to 40 percent; 14-17% of softening plasticizer; 2.5-3% of active agent; 2.3 to 2.5 percent of vulcanizing agent. The invention has the characteristics of high strength, high temperature aging resistance and high flame retardance under the use environment, and has long service life.
Description
Technical Field
the invention belongs to the field of rubber, and particularly relates to ethylene propylene diene monomer rubber for a halogen-free flame-retardant sealing strip and a preparation method thereof.
Background
The sealing strip is a product which seals an object and is not easy to open, plays roles of shock absorption, water resistance, sound insulation, heat insulation, dust prevention, fixation and the like, and is made of rubber, paper, metal, plastic and various materials.
generally speaking, the sealing strips on new energy automobiles, high-speed rails and doors and windows are PVC rubber sealing strips and halogen strips, so that the sealing strips are not environment-friendly, cannot be reused, have large smell and are not beneficial to health.
Disclosure of Invention
Aiming at the problems, the invention provides the ethylene propylene diene monomer rubber for the halogen-free flame-retardant sealing strip, which has high strength, high-temperature aging resistance, high flame retardance, low odor and long service life in the use environment, and is suitable for manufacturing doors and windows and automobile high-speed rail sealing strips.
In order to achieve the purpose, the technical scheme of the invention is as follows: the ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip comprises the following components in percentage by weight:
Preferably, the ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip is composed of the following components in percentage by weight:
Preferably, the ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip is composed of the following components in percentage by weight:
preferably, the ethylene propylene diene monomer is KSA 6405H.
preferably, the carbon black is boao N550, qing.
Preferably, the flame retardant is Anterfield AT-903.
Preferably, the softening plasticizer is SUNPAR 2280.
Preferably, the curing agent is a curing agent masterbatch produced by knoes, suzhou.
Preferably, the ratio of the flame retardant to the ethylene propylene diene monomer is at least 1: 1.2. Thus, the properties such as extrusion processing technology and the like can be ensured on the basis that the rubber meets the properties.
The invention also provides a preparation method of the ethylene propylene diene monomer rubber for the halogen-free flame-retardant sealing strip, which sequentially comprises the following steps:
(1) Preparing materials: respectively weighing the ethylene propylene diene monomer, the carbon black, the flame retardant, the softening plasticizer and the activator according to the proportion, mixing to form a component A, and weighing the vulcanizing agent to form a component B;
(2) First mixing: adding the ingredient A into an internal mixer for mixing for 60-90 seconds, then lifting a hammer for cleaning, then pressing and hammer mixing for 60-90 seconds, again lifting the hammer for cleaning, at the temperature of 140-150 ℃, then pressing and hammer mixing for 60-80 seconds, discharging, at the temperature of 150-170 ℃, feeding the mixture onto a cutting machine, and discharging to obtain a mixed rubber A;
(3) And (3) second mixing: and (3) putting the rubber compound A and the ingredient B prepared in the first mixing into an internal mixer for mixing for 30-40 seconds, then continuously mixing for 30-50 seconds after cleaning, then discharging to a cutting machine, and discharging to finish the preparation.
In the steps (2) and (3), the mixing is carried out in stages, the mixing temperature is ensured, and the volatilization of low molecular substances and the processing safety can be ensured.
the KSA 6405H rubber is selected as the main material of the rubber material, and has the advantages of large molecular weight, high vulcanization speed and good extrusion performance; carbon black N550 is adopted in the formula, so that the performance, processing technology and extrusion requirements of rubber are met; the addition of the softening plasticizer PARA 28 firstly ensures that the dynamic performance of the rubber is not reduced, and simultaneously improves the processability of the rubber; the use of the vulcanizing agent masterbatch ensures the dispersibility and good physical and mechanical properties of the rubber compound.
The ethylene propylene diene monomer rubber has the characteristics of high strength, high-temperature aging resistance, high flame retardance, low odor and long service life in a use environment, and is suitable for halogen-free flame-retardant sealing strips.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, 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.
The ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip comprises the following components in percentage by weight:
Examples
The production of the ethylene propylene diene monomer rubber for the halogen-free flame-retardant sealing strip of the embodiment 1-7 is carried out according to the component proportion in the table 1.
the ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip is prepared according to the following steps:
(1) Preparing materials: according to the components and the proportion in the table 1, respectively weighing ethylene propylene diene monomer, carbon black, a flame retardant, a softening plasticizer and an activator, mixing to form a component A, and weighing a vulcanizing agent to form a component B;
(2) First mixing: adding the ingredient A into an internal mixer for mixing for 60-90 seconds, then lifting a hammer for cleaning, then pressing and mixing for 60-90 seconds, again lifting the hammer for cleaning (at the temperature of 140-150 ℃), then pressing and mixing for 60-80 seconds, discharging (at the temperature of 150-170 ℃) to a cutting machine, and discharging to obtain a mixed rubber A;
(3) And (3) second mixing: and (3) putting the rubber compound A and the ingredient B prepared in the first mixing into an internal mixer for mixing for 30-40 seconds, then continuously mixing for 30-50 seconds after cleaning, then discharging to a cutting machine, and discharging to finish the preparation.
TABLE 1 weight percentages of the ingredients of examples 1-7
In Table 1, the EPDM was KSA 6405H.
the carbon black is boao N550 in Qingzhou.
the flame retardant is Anterfield AT-903.
The softening plasticizer is PARA 28.
The vulcanizing agent is a vulcanizing agent masterbatch of Suzhou Sinuos.
TABLE 2 mixing time for examples 1 to 7
Table 3 results of testing physical Properties of rubber articles of examples 1 to 6
as can be seen from Table 3, the rubber products of the embodiments 1 to 6 of the invention have the characteristics of high strength, high temperature aging resistance, low high temperature compression deformation and good flame retardant effect, can be used for a long time in a use environment, and are suitable for door and window automobile sealing strips.
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 (8)
1. The ethylene propylene diene monomer for the halogen-free flame-retardant sealing strip is characterized by comprising the following components in percentage by weight:
2. The EPDM for the halogen-free flame-retardant sealing strip according to claim 1, wherein the crude rubber grade of the EPDM is KSA 6405H.
3. The ethylene-propylene-diene monomer rubber for the halogen-free flame-retardant sealing strip according to claim 1, wherein the carbon black is BOO N550 in Qingzhou.
4. The ethylene-propylene-diene monomer rubber for the halogen-free flame-retardant sealing strip according to claim 1, wherein the flame retardant is Anterfield AT-903.
5. the EPDM rubber for halogen-free flame retardant sealing strip according to claim 1, wherein the softening plasticizer is PARA 28.
6. The halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing tape according to claim 1, wherein the vulcanizing agent is a vulcanizing agent masterbatch produced by knoes, su.
7. The EPDM for the halogen-free flame-retardant sealing strip according to claim 1, wherein the ratio of the flame retardant to the EPDM is at least 1: 1.2.
8. The preparation method of the ethylene propylene diene monomer rubber for the halogen-free flame-retardant sealing strip according to claim 1, which is characterized by sequentially comprising the following steps:
(1) Preparing materials: the proportioning of claim 1, wherein ethylene propylene diene monomer, carbon black, flame retardant, softening plasticizer and activator are respectively weighed and then mixed to form a component A, and vulcanizing agent is weighed to form a component B;
(2) First mixing: adding the ingredient A into an internal mixer for mixing for 60-90 seconds, then lifting a hammer for cleaning, then pressing and hammer mixing for 60-90 seconds, again lifting the hammer for cleaning, at the temperature of 140-150 ℃, then pressing and hammer mixing for 60-80 seconds, discharging, at the temperature of 150-170 ℃, feeding the mixture onto a cutting machine, and discharging to obtain a mixed rubber A;
(3) and (3) second mixing: and (3) putting the rubber compound A and the ingredient B prepared in the first mixing into an internal mixer for mixing for 30-40 seconds, then continuously mixing for 30-50 seconds after cleaning, then discharging to a cutting machine, and discharging to finish the preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929692.0A CN110577706A (en) | 2019-09-27 | 2019-09-27 | Halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing strip and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910929692.0A CN110577706A (en) | 2019-09-27 | 2019-09-27 | Halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing strip and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205567A (en) * | 2020-03-23 | 2020-05-29 | 江苏多肯新材料有限公司 | Preparation method of low-VOC EPDM environment-friendly flame-retardant automotive interior rubber material |
| CN113896995A (en) * | 2021-11-16 | 2022-01-07 | 江苏冠联新材料科技股份有限公司 | EPDM and preparation method thereof |
| CN114133669A (en) * | 2021-12-06 | 2022-03-04 | 江苏冠联新材料科技股份有限公司 | High-flame-retardance high-insulation high-voltage-transformation rubber compound for battery assembly and preparation method thereof |
| CN114149639A (en) * | 2021-12-06 | 2022-03-08 | 江苏冠联新材料科技股份有限公司 | Automobile sealing strip rubber compound and preparation method thereof |
| CN115466464A (en) * | 2022-10-28 | 2022-12-13 | 江苏冠联新材料科技股份有限公司 | Ethylene propylene diene monomer rubber for washing machine door seal and preparation method thereof |
| CN115490971A (en) * | 2022-10-28 | 2022-12-20 | 江苏冠联新材料科技股份有限公司 | Ethylene propylene diene monomer rubber for antistatic colored rubber roller and preparation method thereof |
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| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
| CN103724820A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Automobile trunk sealing strip based on ethylene-propylene-diene rubber |
| CN109486036A (en) * | 2018-11-07 | 2019-03-19 | 太仓冠联高分子材料有限公司 | A kind of high fire-retardance sealing strip ethylene propylene diene terpolymer sponge rubber and preparation method thereof |
| CN110003575A (en) * | 2019-02-22 | 2019-07-12 | 安徽立信橡胶科技有限公司 | A kind of ethylene propylene diene rubber of halogen-free flameproof |
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2019
- 2019-09-27 CN CN201910929692.0A patent/CN110577706A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101704976A (en) * | 2009-11-27 | 2010-05-12 | 北京化工大学 | Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof |
| CN103724820A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Automobile trunk sealing strip based on ethylene-propylene-diene rubber |
| CN109486036A (en) * | 2018-11-07 | 2019-03-19 | 太仓冠联高分子材料有限公司 | A kind of high fire-retardance sealing strip ethylene propylene diene terpolymer sponge rubber and preparation method thereof |
| CN110003575A (en) * | 2019-02-22 | 2019-07-12 | 安徽立信橡胶科技有限公司 | A kind of ethylene propylene diene rubber of halogen-free flameproof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205567A (en) * | 2020-03-23 | 2020-05-29 | 江苏多肯新材料有限公司 | Preparation method of low-VOC EPDM environment-friendly flame-retardant automotive interior rubber material |
| CN111205567B (en) * | 2020-03-23 | 2022-04-19 | 江苏多肯新材料有限公司 | Preparation method of low-VOC EPDM environment-friendly flame-retardant automotive interior rubber material |
| CN113896995A (en) * | 2021-11-16 | 2022-01-07 | 江苏冠联新材料科技股份有限公司 | EPDM and preparation method thereof |
| CN114133669A (en) * | 2021-12-06 | 2022-03-04 | 江苏冠联新材料科技股份有限公司 | High-flame-retardance high-insulation high-voltage-transformation rubber compound for battery assembly and preparation method thereof |
| CN114149639A (en) * | 2021-12-06 | 2022-03-08 | 江苏冠联新材料科技股份有限公司 | Automobile sealing strip rubber compound and preparation method thereof |
| CN115466464A (en) * | 2022-10-28 | 2022-12-13 | 江苏冠联新材料科技股份有限公司 | Ethylene propylene diene monomer rubber for washing machine door seal and preparation method thereof |
| CN115490971A (en) * | 2022-10-28 | 2022-12-20 | 江苏冠联新材料科技股份有限公司 | Ethylene propylene diene monomer rubber for antistatic colored rubber roller and preparation method thereof |
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Application publication date: 20191217 |