CN112592649A - Solvent-resistant automobile rubber sealing element - Google Patents
Solvent-resistant automobile rubber sealing element Download PDFInfo
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- CN112592649A CN112592649A CN202011390598.1A CN202011390598A CN112592649A CN 112592649 A CN112592649 A CN 112592649A CN 202011390598 A CN202011390598 A CN 202011390598A CN 112592649 A CN112592649 A CN 112592649A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides a solvent-resistant automobile rubber sealing element, which comprises the following raw materials in parts by weight: 34-38 parts of polyurethane modified acrylic resin, 5-15 parts of polytetrafluoroethylene resin, 1-3 parts of functional auxiliary agent, 1-3 parts of additive and 48-50 parts of deionized water. The solvent-resistant protective coating disclosed by the invention has the advantages of being beneficial to spraying construction, energy-saving and environment-friendly, low in cost and high in added value, can be used in automobile sealing parts and power systems of various rubber substrates, such as fluororubber, butadiene-acrylonitrile rubber, silicon rubber, acrylic rubber and the like, can be sprayed and dipped in a coating mode, and can form a solvent-resistant protective film through low-temperature baking at 80-120 ℃, so that the effects of lubrication and wear resistance can be achieved, the corrosion of various solvents can be resisted, and the using effect of high efficiency and long service life can be achieved.
Description
Technical Field
The invention relates to the technical field of rubber sealing elements, in particular to a solvent-resistant rubber sealing element for an automobile.
Background
Rubber seals are a common basic element in sealing devices and play a very important role in the contradiction between leakage and sealing. Rubber seals are a class of rubber articles that are widely used in sealing technology. Because rubber has precious elastic high polymer materials and a wide temperature range, smaller stress is given in different media to generate larger deformation, and the deformation can provide contact pressure, compensate leakage gaps and achieve the aim of sealing.
Because automobile engine sealing member needs to use under different solvent environment, simultaneously is automatic assembly again, needs the requirement of lubricating property, and present dilemma is simply through changing different rubbers or changing the design and can't reach and use under multiple single solvent or mixed solvent operating mode.
Based on the above requirements, we have developed a simple, convenient and lower cost protective coating for rubber solvent resistance, while simultaneously taking into account the characteristics of lubrication and easy assembly.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a solvent-resistant rubber sealing element for an automobile.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a solvent-resistant automobile rubber sealing element, which comprises the following raw materials in parts by weight:
34-38 parts of polyurethane modified acrylic resin, 5-15 parts of polytetrafluoroethylene resin, 1-3 parts of functional auxiliary agent, 1-3 parts of additive and 48-50 parts of deionized water;
the preparation method of the polyurethane modified acrylic resin comprises the following steps:
s1, preparation of a modifier: sending graphene and wollastonite into a stirrer according to a weight ratio of 3:1, adding sulfuric acid for acidification for 10-20min, washing with water, calcining at 400 ℃ of 300-20 ℃ for 10-20min, adding into an ethanol solvent, adding benzoic acid, cardanol and a coupling agent KH560, and reacting at 90-100 ℃ for 20-30min at a reaction speed of 50-100r/min to obtain a modifier;
s2, preparation of polymerization agent: primarily mixing beta-hydroxyalkylamide with tetraethoxysilane and vinyl tri (beta-methoxyethoxy) silane, then adding propylene glycol methyl ether solution, and continuously stirring for 10-20min at the stirring speed of 100-200r/min to obtain a polymerization agent;
s3, urethane-modified acrylic resin: adding polyurethane and acrylic resin into a modifier together, then adding a polymerization agent, and stirring for 20-30min at 70-90 ℃ under the condition of 150-250r/min to obtain the polyurethane modified acrylic resin.
Preferably, the solvent-resistant formula of the automobile rubber sealing element comprises the following raw materials in parts by weight:
35-37 parts of polyurethane modified acrylic resin, 6-10 parts of polytetrafluoroethylene resin, 1.5-2.5 parts of functional additive, 1.5-2 parts of additive and 49-49.5 parts of deionized water.
Preferably, the solvent-resistant formula of the automobile rubber sealing element comprises the following raw materials in parts by weight:
36 parts of polyurethane modified acrylic resin, 10 parts of polytetrafluoroethylene resin, 2 parts of functional auxiliary agent, 2 parts of additive and 49 parts of deionized water.
Preferably, the preparation method of the functional auxiliary agent comprises the following steps: adding activated bentonite into the wear-resisting agent, stirring for 20-30min at the rotating speed of 100-200r/min, then adding nano titanium dioxide, performing ultrasonic dispersion for 10-20min, performing ultrasonic power of 150-200W, finishing the ultrasonic treatment, then sending into a proton irradiation box for irradiation treatment, and finishing the irradiation to obtain the functional auxiliary agent.
Preferably, the active bentonite is activated by bentonite at the temperature of 150-170 ℃ for 10-20min, then the reaction temperature is increased to 300 ℃ at the speed of 1-5 ℃/min, the temperature is kept for 20min, and finally the active bentonite is naturally cooled to the room temperature.
Preferably, the wear-resisting agent is prepared by mixing barium carbonate, white corundum and deionized water according to the weight ratio of 3:2: 1.
Preferably, the irradiation power in the proton irradiation box is 350-450W, and the irradiation time is 5-10 min.
Preferably, the irradiation power is 400W, and the irradiation time is 7.5 min.
Preferably, the additive is calcium carbonate.
Compared with the prior art, the invention has the following beneficial effects:
the solvent-resistant protective coating disclosed by the invention has the advantages of being beneficial to spraying construction, energy-saving and environment-friendly, low in cost and high in added value, can be used in automobile sealing parts and power systems of various rubber substrates, such as fluororubber, butadiene-acrylonitrile rubber, silicon rubber, acrylic rubber and the like, can be sprayed and dipped, and can form a solvent-resistant protective film through low-temperature baking at 80-120 ℃, so that the effects of lubrication and wear resistance can be achieved, corrosion of various solvents can be resisted, and a high-efficiency long-life use effect is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1.
The solvent-resistant formula of the automobile rubber sealing element comprises the following raw materials in parts by weight:
34 parts of polyurethane modified acrylic resin, 5 parts of polytetrafluoroethylene resin, 1 part of functional auxiliary agent, 1 part of additive and 48 parts of deionized water;
the preparation method of the polyurethane modified acrylic resin comprises the following steps:
s1, preparation of a modifier: sending graphene and wollastonite into a stirrer according to a weight ratio of 3:1, adding sulfuric acid for acidification, acidifying for 10min, then washing with water, then calcining for 10min at 300 ℃, then adding the calcined graphene and wollastonite into an ethanol solvent, then adding benzoic acid, cardanol and a coupling agent KH560, and reacting for 20min at 90 ℃ at a reaction speed of 50r/min to obtain a modifier;
s2, preparation of polymerization agent: primarily mixing beta-hydroxyalkylamide with tetraethoxysilane and vinyl tri (beta-methoxyethoxy) silane, then adding propylene glycol monomethyl ether solution, and continuously stirring for 10min at the stirring speed of 100r/min to obtain a polymerization agent;
s3, urethane-modified acrylic resin: adding polyurethane and acrylic resin into a modifier together, then adding a polymerization agent, and stirring for 20min at 70 ℃ at 150r/min to obtain the polyurethane modified acrylic resin.
The preparation method of the functional additive in this embodiment is as follows: adding activated bentonite into the wear-resisting agent, stirring for 20min at the rotating speed of 100r/min, then adding nano titanium dioxide, performing ultrasonic dispersion for 10min at the ultrasonic power of 150W, finishing the ultrasonic treatment, then sending into a proton irradiation box for irradiation treatment, and finishing the irradiation to obtain the functional auxiliary agent.
The activated bentonite in the embodiment is activated by bentonite at 150 ℃ for 10min, then the reaction temperature is increased to 250 ℃ at the speed of 1 ℃/min, the temperature is kept for 20min, and finally the activated bentonite is naturally cooled to the room temperature.
The wear-resisting agent of the embodiment is prepared by mixing barium carbonate, white corundum and deionized water according to the weight ratio of 3:2: 1.
The irradiation power in the proton irradiation box of this embodiment is 350W, and the irradiation time is 5 min.
The additive of this example was calcium carbonate.
Example 2.
The solvent-resistant formula of the automobile rubber sealing element comprises the following raw materials in parts by weight:
38 parts of polyurethane modified acrylic resin, 15 parts of polytetrafluoroethylene resin, 3 parts of functional auxiliary agent, 3 parts of additive and 50 parts of deionized water;
the preparation method of the polyurethane modified acrylic resin comprises the following steps:
s1, preparation of a modifier: sending graphene and wollastonite into a stirrer according to a weight ratio of 3:1, adding sulfuric acid for acidification, acidifying for 20min, washing with water, calcining at 400 ℃ for 20min, adding into an ethanol solvent, then adding benzoic acid, cardanol and a coupling agent KH560, and reacting at 100 ℃ for 30min at a reaction speed of 100r/min to obtain a modifier;
s2, preparation of polymerization agent: primarily mixing beta-hydroxyalkylamide with tetraethoxysilane and vinyl tri (beta-methoxyethoxy) silane, then adding propylene glycol monomethyl ether solution, and continuously stirring for 20min at the stirring speed of 200r/min to obtain a polymerization agent;
s3, urethane-modified acrylic resin: adding polyurethane and acrylic resin into a modifier together, then adding a polymerization agent, and stirring for 30min at 90 ℃ at 250r/min to obtain the polyurethane modified acrylic resin.
The preparation method of the functional additive in this embodiment is as follows: adding activated bentonite into the wear-resisting agent, firstly stirring for 30min at the rotating speed of 200r/min, then adding nano titanium dioxide, carrying out ultrasonic dispersion for 20min at the ultrasonic power of 200W, then sending into a proton irradiation box for irradiation treatment after the ultrasonic treatment is finished, and obtaining the functional auxiliary agent after the irradiation treatment is finished.
The activated bentonite in the embodiment is activated by bentonite at 170 ℃ for 20min, then the reaction temperature is increased to 300 ℃ at the speed of 5 ℃/min, the temperature is kept for 20min, and finally the activated bentonite is naturally cooled to the room temperature.
The wear-resisting agent of the embodiment is prepared by mixing barium carbonate, white corundum and deionized water according to the weight ratio of 3:2: 1.
The irradiation power in the proton irradiation box of this example is 450W, and the irradiation time is 10 min.
The additive of this example was calcium carbonate.
Example 3.
The solvent-resistant formula of the automobile rubber sealing element comprises the following raw materials in parts by weight:
36 parts of polyurethane modified acrylic resin, 10 parts of polytetrafluoroethylene resin, 2 parts of functional auxiliary agent, 2 parts of additive and 49 parts of deionized water;
the preparation method of the polyurethane modified acrylic resin comprises the following steps:
s1, preparation of a modifier: sending graphene and wollastonite into a stirrer according to a weight ratio of 3:1, adding sulfuric acid for acidification, acidifying for 15min, washing with water, calcining at 350 ℃ for 15min, adding into an ethanol solvent, then adding benzoic acid, cardanol and a coupling agent KH560, and reacting at 95 ℃ for 25min at a reaction speed of 75r/min to obtain a modifier;
s2, preparation of polymerization agent: primarily mixing beta-hydroxyalkylamide with tetraethoxysilane and vinyl tri (beta-methoxyethoxy) silane, then adding propylene glycol monomethyl ether solution, and continuously stirring for 15min at the stirring speed of 150r/min to obtain a polymerization agent;
s3, urethane-modified acrylic resin: adding polyurethane and acrylic resin into a modifier together, then adding a polymerization agent, and stirring for 25min at 80 ℃ at 200r/min to obtain the polyurethane modified acrylic resin.
The preparation method of the functional additive in this embodiment is as follows: adding activated bentonite into the wear-resisting agent, stirring for 25min at the rotating speed of 150r/min, then adding nano titanium dioxide, performing ultrasonic dispersion for 15min, wherein the ultrasonic power is 175W, finishing the ultrasonic treatment, then sending into a proton irradiation box for irradiation treatment, and finishing the irradiation to obtain the functional auxiliary agent.
The activated bentonite in the embodiment is activated by bentonite at 160 ℃ for 15min, then the reaction temperature is increased to 275 ℃ at the speed of 3 ℃/min, the temperature is kept for 20min, and finally the activated bentonite is naturally cooled to the room temperature.
The wear-resisting agent of the embodiment is prepared by mixing barium carbonate, white corundum and deionized water according to the weight ratio of 3:2: 1.
The irradiation power in the proton irradiation box of this example was 400W, and the irradiation time was 7.5 min.
The additive of this example was calcium carbonate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The solvent resistance of the automobile rubber sealing element is characterized by comprising the following raw materials in parts by weight:
34-38 parts of polyurethane modified acrylic resin, 5-15 parts of polytetrafluoroethylene resin, 1-3 parts of functional auxiliary agent, 1-3 parts of additive and 48-50 parts of deionized water;
the preparation method of the polyurethane modified acrylic resin comprises the following steps:
s1, preparation of a modifier: sending graphene and wollastonite into a stirrer according to a weight ratio of 3:1, adding sulfuric acid for acidification for 10-20min, washing with water, calcining at 400 ℃ of 300-20 ℃ for 10-20min, adding into an ethanol solvent, adding benzoic acid, cardanol and a coupling agent KH560, and reacting at 90-100 ℃ for 20-30min at a reaction speed of 50-100r/min to obtain a modifier;
s2, preparation of polymerization agent: primarily mixing beta-hydroxyalkylamide with tetraethoxysilane and vinyl tri (beta-methoxyethoxy) silane, then adding propylene glycol methyl ether solution, and continuously stirring for 10-20min at the stirring speed of 100-200r/min to obtain a polymerization agent;
s3, urethane-modified acrylic resin: adding polyurethane and acrylic resin into a modifier together, then adding a polymerization agent, and stirring for 20-30min at 70-90 ℃ under the condition of 150-250r/min to obtain the polyurethane modified acrylic resin.
2. The solvent-resistant agent for the automobile rubber sealing element according to claim 1, wherein the solvent-resistant agent for the automobile rubber sealing element comprises the following raw materials in parts by weight:
35-37 parts of polyurethane modified acrylic resin, 6-10 parts of polytetrafluoroethylene resin, 1.5-2.5 parts of functional additive, 1.5-2 parts of additive and 49-49.5 parts of deionized water.
3. The solvent-resistant agent for the automobile rubber sealing element according to claim 1, wherein the solvent-resistant agent for the automobile rubber sealing element comprises the following raw materials in parts by weight:
36 parts of polyurethane modified acrylic resin, 10 parts of polytetrafluoroethylene resin, 2 parts of functional auxiliary agent, 2 parts of additive and 49 parts of deionized water.
4. The solvent-resistant agent for the rubber sealing element of the automobile as claimed in claim 1, wherein the functional auxiliary agent is prepared by the following steps: adding activated bentonite into the wear-resisting agent, stirring for 20-30min at the rotating speed of 100-200r/min, then adding nano titanium dioxide, performing ultrasonic dispersion for 10-20min, performing ultrasonic power of 150-200W, finishing the ultrasonic treatment, then sending into a proton irradiation box for irradiation treatment, and finishing the irradiation to obtain the functional auxiliary agent.
5. The solvent-resistant automobile rubber sealing element as claimed in claim 4, wherein the activated bentonite is activated at 170 ℃ for 10-20min by bentonite, then the reaction temperature is increased to 300 ℃ at a rate of 1-5 ℃/min, the temperature is kept for 20min, and finally the temperature is naturally cooled to room temperature.
6. The solvent-resistant automobile rubber sealing element according to claim 4, wherein the wear-resistant agent is prepared by mixing barium carbonate, white corundum and deionized water according to a weight ratio of 3:2: 1.
7. The solvent-resistant automobile rubber sealing element as claimed in claim 4, wherein the irradiation power in the proton irradiation box is 350-450W, and the irradiation time is 5-10 min.
8. The solvent-resistant automotive rubber seal according to claim 7, wherein the irradiation power is 400W and the irradiation time is 7.5 min.
9. The solvent-resistant automotive rubber seal of claim 1, wherein said additive is calcium carbonate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390598.1A CN112592649A (en) | 2020-12-02 | 2020-12-02 | Solvent-resistant automobile rubber sealing element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011390598.1A CN112592649A (en) | 2020-12-02 | 2020-12-02 | Solvent-resistant automobile rubber sealing element |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045069A (en) * | 2013-01-31 | 2013-04-17 | 株洲时代电气绝缘有限责任公司 | Multifunctional modified crylic acid polyurethane rubber coating and preparation method thereof |
| CN104640945A (en) * | 2012-09-25 | 2015-05-20 | Nok株式会社 | Coating agent composition |
| CN105623419A (en) * | 2016-03-21 | 2016-06-01 | 安徽安大中鼎橡胶技术开发有限公司 | Aqueous low-friction logo coating for coating rubber O-shaped ring surface and preparation method of low-friction logo coating |
| CN106497392A (en) * | 2016-11-11 | 2017-03-15 | 重庆睿容环保科技有限公司 | A kind of rubber |
| CN109943211A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of water based paint that can eliminate automotive sealant dynamic abnormal sound |
| CN110903715A (en) * | 2019-12-04 | 2020-03-24 | 齐耐润工业设备（上海）有限公司 | Protective coating for sealing element and preparation method thereof |
-
2020
- 2020-12-02 CN CN202011390598.1A patent/CN112592649A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640945A (en) * | 2012-09-25 | 2015-05-20 | Nok株式会社 | Coating agent composition |
| CN103045069A (en) * | 2013-01-31 | 2013-04-17 | 株洲时代电气绝缘有限责任公司 | Multifunctional modified crylic acid polyurethane rubber coating and preparation method thereof |
| CN105623419A (en) * | 2016-03-21 | 2016-06-01 | 安徽安大中鼎橡胶技术开发有限公司 | Aqueous low-friction logo coating for coating rubber O-shaped ring surface and preparation method of low-friction logo coating |
| CN106497392A (en) * | 2016-11-11 | 2017-03-15 | 重庆睿容环保科技有限公司 | A kind of rubber |
| CN109943211A (en) * | 2017-12-21 | 2019-06-28 | 陈正林 | A kind of water based paint that can eliminate automotive sealant dynamic abnormal sound |
| CN110903715A (en) * | 2019-12-04 | 2020-03-24 | 齐耐润工业设备（上海）有限公司 | Protective coating for sealing element and preparation method thereof |
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