CN112321953A - Preparation method of rubber sealing ring material for water pump - Google Patents
Preparation method of rubber sealing ring material for water pump Download PDFInfo
- Publication number
- CN112321953A CN112321953A CN202011337246.XA CN202011337246A CN112321953A CN 112321953 A CN112321953 A CN 112321953A CN 202011337246 A CN202011337246 A CN 202011337246A CN 112321953 A CN112321953 A CN 112321953A
- Authority
- CN
- China
- Prior art keywords
- preparation
- water pump
- sealing ring
- zeolite powder
- rubber sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 229920001971 elastomer Polymers 0.000 title claims abstract description 19
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000002156 mixing Methods 0.000 claims abstract description 38
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 37
- 239000007864 aqueous solution Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 17
- 239000010457 zeolite Substances 0.000 claims abstract description 17
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 15
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims abstract description 14
- 239000008108 microcrystalline cellulose Substances 0.000 claims abstract description 14
- 229940016286 microcrystalline cellulose Drugs 0.000 claims abstract description 14
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 7
- 238000009740 moulding (composite fabrication) Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000000967 suction filtration Methods 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a preparation method of a rubber sealing ring material for a water pump; relates to the technical field of water pumps, comprising the following steps: (1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 70-75 ℃, preserving heat for 45min, and then adjusting the pH value to 8-8.6 to obtain a modified solution; (2) adding zeolite powder into the prepared modified liquid, stirring, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder; (3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material; (4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material; then, carrying out injection molding, pressing, forming and vulcanizing; the rubber sealing ring material for the water pump prepared by the method has excellent sealing performance.
Description
Technical Field
The invention belongs to the technical field of water pumps, and particularly relates to a preparation method of a rubber sealing ring material for a water pump.
Background
Among the prior art water pump assembly includes the lid behind the water pump body and the water pump, and the water cavity divide into two parts, is equipped with the partly of water cavity in the water pump body, covers after the water pump also to be equipped with the partly of water cavity, and the lid forms complete water cavity after water pump back and water pump body installation together, and sealed face adopts the sealing washer to seal after the water pump body and water pump among the prior art between the lid, but, current sealing washer material performance is general, long-term use, appears easily, and is ageing, and the phenomenon of infiltration takes place, causes the water pump performance to descend.
Disclosure of Invention
The invention aims to provide a preparation method of a rubber sealing ring material for a water pump, which aims to overcome the defects in the prior art.
The technical scheme adopted by the invention is as follows:
a preparation method of a rubber sealing ring material for a water pump comprises the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 70-75 ℃, preserving heat for 45min, and then adjusting the pH value to 8-8.6 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
As a further technical scheme: the mass fraction of the formaldehyde aqueous solution is 12.8-13.
As a further technical scheme: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
As a further technical scheme: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
As a further technical scheme: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:12-15:10:3.
As a further technical scheme: the mixing temperature is 155 ℃, and the mixing time is 30 min.
As a further technical scheme: the plastication temperature is 172 ℃, and the plastication time is 45 min.
Has the advantages that:
the rubber sealing ring material for the water pump, which is prepared by the method, has excellent sealing performance, the prepared modification liquid is adopted to modify the zeolite powder, so that the surface of the zeolite powder particles can be greatly improved, the bonding performance between the zeolite powder particles and ethylene propylene diene monomer macromolecules is greatly improved, the compactness of the prepared sealing ring can be remarkably improved, and the microcrystalline cellulose and the polyacrylamide are used as synergistic auxiliaries, so that the interface compatibility of the zeolite powder particles and the ethylene propylene diene monomer macromolecules can be further improved, and the mechanical property of the sealing ring is further improved.
Detailed Description
A preparation method of a rubber sealing ring material for a water pump comprises the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 70-75 ℃, preserving heat for 45min, and then adjusting the pH value to 8-8.6 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
As a further technical scheme: the mass fraction of the formaldehyde aqueous solution is 12.8-13.
As a further technical scheme: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
As a further technical scheme: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
As a further technical scheme: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:12-15:10:3.
As a further technical scheme: the mixing temperature is 155 ℃, and the mixing time is 30 min.
As a further technical scheme: the plastication temperature is 172 ℃, and the plastication time is 45 min.
The following will clearly and completely describe the technical solutions of the embodiments of the present invention, 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
A preparation method of a rubber sealing ring material for a water pump comprises the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 70 ℃, preserving heat for 45min, and then adjusting the pH value to 8 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
As a further technical scheme: the mass fraction of the formaldehyde aqueous solution is 12.8.
As a further technical scheme: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
As a further technical scheme: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
As a further technical scheme: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:12:10:3.
As a further technical scheme: the mixing temperature is 155 ℃, and the mixing time is 30 min.
As a further technical scheme: the plastication temperature is 172 ℃, and the plastication time is 45 min.
Example 2
A preparation method of a rubber sealing ring material for a water pump comprises the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 75 ℃, preserving heat for 45min, and then adjusting the pH value to 8.6 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
As a further technical scheme: the mass fraction of the formaldehyde aqueous solution is 13.
As a further technical scheme: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
As a further technical scheme: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
As a further technical scheme: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:15:10:3.
As a further technical scheme: the mixing temperature is 155 ℃, and the mixing time is 30 min.
As a further technical scheme: the plastication temperature is 172 ℃, and the plastication time is 45 min.
Example 3
A preparation method of a rubber sealing ring material for a water pump comprises the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 72 ℃, preserving heat for 45min, and then adjusting the pH value to 8.3 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
As a further technical scheme: the mass fraction of the formaldehyde aqueous solution is 12.9.
As a further technical scheme: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
As a further technical scheme: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
As a further technical scheme: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:14:10:3.
As a further technical scheme: the mixing temperature is 155 ℃, and the mixing time is 30 min.
As a further technical scheme: the plastication temperature is 172 ℃, and the plastication time is 45 min.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the illustrated embodiments, and all the modifications and equivalents of the embodiments may be made without departing from the spirit of the present invention.
Claims (7)
1. A preparation method of a rubber sealing ring material for a water pump is characterized by comprising the following steps:
(1) preparing a formaldehyde aqueous solution, then adding urea and triethanolamine into the formaldehyde aqueous solution, heating to 70-75 ℃, preserving heat for 45min, and then adjusting the pH value to 8-8.6 to obtain a modified solution;
(2) adding zeolite powder into the prepared modified liquid, stirring at the rotating speed of 500r/min for 1 hour, standing for 30min, performing suction filtration, washing, and drying to constant weight to obtain composite modified zeolite powder;
(3) adding ethylene propylene diene monomer, microcrystalline cellulose, polyacrylamide, composite modified zeolite powder and sulfur into a mixing roll for mixing treatment to obtain a mixed material;
(4) placing the obtained mixed material in a plasticator, and plasticating to obtain a plasticated material;
then, injection molding, pressing, forming and vulcanizing are carried out.
2. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the mass fraction of the formaldehyde aqueous solution is 12.8-13.
3. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the mixing mass ratio of the urea, the triethanolamine and the formaldehyde aqueous solution is as follows: 3:12:30.
4. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the mixing mass ratio of the zeolite powder to the modification liquid is 120 g: 550 mL.
5. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the ethylene propylene diene monomer, the microcrystalline cellulose, the polyacrylamide, the composite modified zeolite powder and the sulfur are mixed according to the mass ratio: 72:4:12-15:10:3.
6. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the mixing temperature is 155 ℃, and the mixing time is 30 min.
7. The preparation method of the rubber sealing ring material for the water pump according to claim 1, wherein the preparation method comprises the following steps: the plastication temperature is 172 ℃, and the plastication time is 45 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337246.XA CN112321953A (en) | 2020-11-25 | 2020-11-25 | Preparation method of rubber sealing ring material for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337246.XA CN112321953A (en) | 2020-11-25 | 2020-11-25 | Preparation method of rubber sealing ring material for water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112321953A true CN112321953A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337246.XA Pending CN112321953A (en) | 2020-11-25 | 2020-11-25 | Preparation method of rubber sealing ring material for water pump |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542283A (en) * | 2016-01-25 | 2016-05-04 | 蚌埠市万达塑料制品有限公司 | Lateral sealing ring of plastic heat preservation bottle plug |
| CN107903510A (en) * | 2017-11-10 | 2018-04-13 | 丁玉琴 | A kind of preparation method of doors and windows sealing strip material |
| CN108641254A (en) * | 2018-04-03 | 2018-10-12 | 金继善 | A kind of processing technology of vehicle wiper self-lubricating rubber weather strip |
-
2020
- 2020-11-25 CN CN202011337246.XA patent/CN112321953A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542283A (en) * | 2016-01-25 | 2016-05-04 | 蚌埠市万达塑料制品有限公司 | Lateral sealing ring of plastic heat preservation bottle plug |
| CN107903510A (en) * | 2017-11-10 | 2018-04-13 | 丁玉琴 | A kind of preparation method of doors and windows sealing strip material |
| CN108641254A (en) * | 2018-04-03 | 2018-10-12 | 金继善 | A kind of processing technology of vehicle wiper self-lubricating rubber weather strip |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210205 |
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| RJ01 | Rejection of invention patent application after publication |