CN110903523A - Rubber gasket material and preparation method thereof - Google Patents
Rubber gasket material and preparation method thereof Download PDFInfo
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- CN110903523A CN110903523A CN201911363115.6A CN201911363115A CN110903523A CN 110903523 A CN110903523 A CN 110903523A CN 201911363115 A CN201911363115 A CN 201911363115A CN 110903523 A CN110903523 A CN 110903523A
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- melamine
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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
- C08K3/24—Acids; Salts thereof
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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
- C08K5/14—Peroxides
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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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
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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
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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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
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
Abstract
The invention discloses a rubber sealing gasket material and a preparation method thereof, wherein the rubber sealing gasket material comprises the following components in parts by mass: 80-120 parts of chloroprene rubber, 25-46 parts of tert-butyl peroxybenzoate, 2-6 parts of dibenzoyl peroxide, 15-20 parts of melamine, 5-12 parts of trimethylsiloxane, 2-6 parts of ammonium benzoate, 1-5 parts of calcium oxide, 0.2-1.5 parts of barium titanate, 0.2-0.8 part of stannous octoate, 3-8 parts of high-wear-resistance carbon black, 2-7 parts of diacetyl peroxide, 1-3 parts of zinc oxide, 0.6-1.5 parts of an anti-aging agent, 2-5 parts of sulfur, 1-5 parts of maleic anhydride, 5-10 parts of nano silica sol, 0.5-0.8 part of a coupling agent and 1-3 parts of a reinforcing agent. Compared with the prior art, the tensile strength of the rubber sealing rubber gasket material is greatly improved.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a rubber sealing rubber gasket material and a preparation method thereof.
Background
The sealing rubber gasket is a sealing spare part used for machines, equipment and pipelines as long as the parts have fluid, and uses an inner part and an outer part to play a role in sealing. The quality of the sealing rubber gasket is directly related to the service life and the operation reliability of the equipment. If the quality of the sealing element is poor, the sealing element brings loss and trouble if the quality is low, and a vicious accident can be caused if the quality is high. The tensile strength of the existing sealing rubber gasket cannot meet the requirements of industrial production, and some sealing rubber gaskets can only be used for 1-2 months or even shorter time and need to be replaced, thereby bringing troubles to the continuous production of enterprises.
Disclosure of Invention
The object of the present invention is to provide a rubber gasket material for sealing rubber, which can effectively solve the technical problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the rubber sealing gasket material comprises the following components in parts by weight: 80-120 parts of chloroprene rubber, 25-46 parts of tert-butyl peroxybenzoate, 2-6 parts of dibenzoyl peroxide, 15-20 parts of melamine, 5-12 parts of trimethylsiloxane, 2-6 parts of ammonium benzoate, 1-5 parts of calcium oxide, 0.2-1.5 parts of barium titanate, 0.2-0.8 part of stannous octoate, 3-8 parts of high-wear-resistance carbon black, 2-7 parts of diacetyl peroxide, 1-3 parts of zinc oxide, 0.6-1.5 parts of an anti-aging agent, 2-5 parts of sulfur, 1-5 parts of maleic anhydride, 5-10 parts of nano silica sol, 0.5-0.8 part of a coupling agent and 1-3 parts of a reinforcing agent.
Preferably, the rubber sealing rubber gasket material consists of the following components in parts by mass: 100 parts of chloroprene rubber, 30 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 16 parts of melamine, 7 parts of trimethylsiloxane, 3 parts of ammonium benzoate, 3 parts of calcium oxide, 0.8 part of barium titanate, 0.5 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1.3 parts of zinc oxide, 1.5 parts of an anti-aging agent, 3 parts of sulfur, 2 parts of maleic anhydride, 7 parts of nano silica sol, 0.5 part of a coupling agent and 1.5 parts of a reinforcing agent.
Preferably, the rubber sealing rubber gasket material consists of the following components in parts by mass: 120 parts of chloroprene rubber, 45 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 20 parts of melamine, 7 parts of trimethyl siloxane, 3 parts of ammonium benzoate, 2 parts of calcium oxide, 1.3 parts of barium titanate, 0.6 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1 part of zinc oxide, 0.6 part of an anti-aging agent, 5 parts of sulfur, 3 parts of maleic anhydride, 6 parts of nano silica sol, 0.5 part of a coupling agent and 1 part of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
Preferably, in the step (4), the temperature for the vulcanization treatment is 178-180 ℃, the vulcanization time is 25 minutes, and the vulcanization pressure is 9.6 MPa.
Compared with the prior art, the invention has the beneficial effects that:
the rubber sealing gasket material provided by the invention takes chloroprene rubber, tert-butyl peroxybenzoate and melamine as main raw materials, and is added with components such as trimethyl siloxane, barium titanate, stannous octoate, high wear-resistant carbon black and reinforcing agent, and the temperature and vulcanization pressure are controlled during vulcanization treatment in vulcanization equipment, so that the wear resistance and high temperature resistance are strong, and the tensile strength of the rubber sealing gasket material provided by the invention is greatly improved.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to examples, but the scope of protection is not limited thereto.
The first embodiment is as follows:
the rubber sealing gasket material comprises the following components in parts by weight: 80 parts of chloroprene rubber, 25 parts of tert-butyl peroxybenzoate, 2 parts of dibenzoyl peroxide, 15 parts of melamine, 5 parts of trimethylsiloxane, 2 parts of ammonium benzoate, 1 part of calcium oxide, 0.2 part of barium titanate, 0.2 part of stannous octoate, 3 parts of high-wear-resistance carbon black, 2 parts of diacetyl peroxide, 1 part of zinc oxide, 0.6 part of an anti-aging agent, 2 parts of sulfur, 1 part of maleic anhydride, 5 parts of nano silica sol, 0.5 part of a coupling agent and 1 part of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
Example two:
the rubber sealing gasket material comprises the following components in parts by weight: 120 parts of chloroprene rubber, 46 parts of tert-butyl peroxybenzoate, 6 parts of dibenzoyl peroxide, 20 parts of melamine, 12 parts of trimethyl siloxane, 6 parts of ammonium benzoate, 5 parts of calcium oxide, 1.5 parts of barium titanate, 0.8 part of stannous octoate, 8 parts of high-wear-resistance carbon black, 7 parts of diacetyl peroxide, 3 parts of zinc oxide, 1.5 parts of an anti-aging agent, 5 parts of sulfur, 5 parts of maleic anhydride, 10 parts of nano silica sol, 0.8 part of a coupling agent and 3 parts of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
Example three:
the rubber sealing gasket material comprises the following components in parts by weight: 100 parts of chloroprene rubber, 30 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 16 parts of melamine, 7 parts of trimethylsiloxane, 3 parts of ammonium benzoate, 3 parts of calcium oxide, 0.8 part of barium titanate, 0.5 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1.3 parts of zinc oxide, 1.5 parts of an anti-aging agent, 3 parts of sulfur, 2 parts of maleic anhydride, 7 parts of nano silica sol, 0.5 part of a coupling agent and 1.5 parts of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
Example four:
the rubber sealing gasket material comprises the following components in parts by weight: 120 parts of chloroprene rubber, 45 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 20 parts of melamine, 7 parts of trimethyl siloxane, 3 parts of ammonium benzoate, 2 parts of calcium oxide, 1.3 parts of barium titanate, 0.6 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1 part of zinc oxide, 0.6 part of an anti-aging agent, 5 parts of sulfur, 3 parts of maleic anhydride, 6 parts of nano silica sol, 0.5 part of a coupling agent and 1 part of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
Example five:
the rubber sealing gasket material comprises the following components in parts by weight: 100 parts of chloroprene rubber, 32 parts of tert-butyl peroxybenzoate, 5 parts of dibenzoyl peroxide, 20 parts of melamine, 11 parts of trimethyl siloxane, 4 parts of ammonium benzoate, 3 parts of calcium oxide, 1.5 parts of barium titanate, 0.8 part of stannous octoate, 7 parts of high-wear-resistance carbon black, 3 parts of diacetyl peroxide, 2 parts of zinc oxide, 0.9 part of an anti-aging agent, 3 parts of sulfur, 3 parts of maleic anhydride, 6 parts of nano silica sol, 0.5 part of a coupling agent and 2 parts of a reinforcing agent.
The preparation method of the rubber sealing gasket material comprises the following steps:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the molded rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 178-.
Experiment of
Comparative example: the performance of the rubber sealing material obtained in the first to fifth embodiments and the comparative product of the conventional common rubber sealing cushion is detected by the following specific detection method:
1. tensile strength: testing the tensile strength on a tensile tester, wherein the specific test values are shown in table 1;
| detecting content | Example one | Example two | EXAMPLE III | Example four | Practice ofExample five | Comparative example |
| Tensile strength/Mpa | 18.9 | 20.1 | 18.6 | 19.5 | 20.7 | 13.5 |
TABLE 1
The detection results in table 1 show that the rubber gasket material obtained by the invention has excellent tensile property.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (5)
1. The rubber gasket material is characterized by comprising the following components in parts by weight: 80-120 parts of chloroprene rubber, 25-46 parts of tert-butyl peroxybenzoate, 2-6 parts of dibenzoyl peroxide, 15-20 parts of melamine, 5-12 parts of trimethylsiloxane, 2-6 parts of ammonium benzoate, 1-5 parts of calcium oxide, 0.2-1.5 parts of barium titanate, 0.2-0.8 part of stannous octoate, 3-8 parts of high-wear-resistance carbon black, 2-7 parts of diacetyl peroxide, 1-3 parts of zinc oxide, 0.6-1.5 parts of an anti-aging agent, 2-5 parts of sulfur, 1-5 parts of maleic anhydride, 5-10 parts of nano silica sol, 0.5-0.8 part of a coupling agent and 1-3 parts of a reinforcing agent.
2. The rubber gasket material of claim 1, wherein the rubber gasket material comprises the following components in parts by weight: 100 parts of chloroprene rubber, 30 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 16 parts of melamine, 7 parts of trimethylsiloxane, 3 parts of ammonium benzoate, 3 parts of calcium oxide, 0.8 part of barium titanate, 0.5 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1.3 parts of zinc oxide, 1.5 parts of an anti-aging agent, 3 parts of sulfur, 2 parts of maleic anhydride, 7 parts of nano silica sol, 0.5 part of a coupling agent and 1.5 parts of a reinforcing agent.
3. The rubber gasket material of claim 1, wherein the rubber gasket material comprises the following components in parts by weight: 120 parts of chloroprene rubber, 45 parts of tert-butyl peroxybenzoate, 3 parts of dibenzoyl peroxide, 20 parts of melamine, 7 parts of trimethyl siloxane, 3 parts of ammonium benzoate, 2 parts of calcium oxide, 1.3 parts of barium titanate, 0.6 part of stannous octoate, 5 parts of high-wear-resistance carbon black, 5 parts of diacetyl peroxide, 1 part of zinc oxide, 0.6 part of an anti-aging agent, 5 parts of sulfur, 3 parts of maleic anhydride, 6 parts of nano silica sol, 0.5 part of a coupling agent and 1 part of a reinforcing agent.
4. The method for preparing a rubber gasket material according to any one of claims 1 to 3, comprising the steps of:
(1) weighing the raw material components according to the weight part ratio;
(2) chloroprene rubber, tert-butyl peroxybenzoate, melamine, trimethyl siloxane, stannous octoate, high-wear-resistance carbon black, diacetyl peroxide, zinc oxide and nano silica sol are added into a mixing roll and mixed for 15 to 18 minutes at the temperature of 116-;
(3) adding the rest raw material components, mixing, and pressing for molding;
(4) and adding the formed rubber material into a mold in vulcanization equipment, and carrying out vulcanization treatment at the temperature of 176-.
5. The method for preparing a rubber gasket material as claimed in claim 4, wherein in the step (4), the temperature for vulcanization treatment is 178-180 ℃, the vulcanization time is 25 minutes, and the vulcanization pressure is 9.6 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363115.6A CN110903523A (en) | 2019-12-26 | 2019-12-26 | Rubber gasket material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363115.6A CN110903523A (en) | 2019-12-26 | 2019-12-26 | Rubber gasket material and preparation method thereof |
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| CN110903523A true CN110903523A (en) | 2020-03-24 |
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| CN201911363115.6A Pending CN110903523A (en) | 2019-12-26 | 2019-12-26 | Rubber gasket material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150094390A1 (en) * | 2012-04-26 | 2015-04-02 | Bridgestone Corporation | Sealing material |
| CN106117682A (en) * | 2016-08-04 | 2016-11-16 | 安徽嘉木橡塑工业有限公司 | A kind of rubber packing material and preparation method thereof |
| CN107383509A (en) * | 2017-09-05 | 2017-11-24 | 桐城市弘业塑胶有限公司 | A kind of rubber packing material and preparation method thereof |
| CN108610525A (en) * | 2018-05-04 | 2018-10-02 | 芜湖天科生物科技有限公司 | A kind of rubber seal composite material and preparation method |
-
2019
- 2019-12-26 CN CN201911363115.6A patent/CN110903523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150094390A1 (en) * | 2012-04-26 | 2015-04-02 | Bridgestone Corporation | Sealing material |
| CN106117682A (en) * | 2016-08-04 | 2016-11-16 | 安徽嘉木橡塑工业有限公司 | A kind of rubber packing material and preparation method thereof |
| CN107383509A (en) * | 2017-09-05 | 2017-11-24 | 桐城市弘业塑胶有限公司 | A kind of rubber packing material and preparation method thereof |
| CN108610525A (en) * | 2018-05-04 | 2018-10-02 | 芜湖天科生物科技有限公司 | A kind of rubber seal composite material and preparation method |
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Application publication date: 20200324 |