CN104927125A - Flange sealing gasket for chemical sewage pipe connection - Google Patents
Flange sealing gasket for chemical sewage pipe connection Download PDFInfo
- Publication number
- CN104927125A CN104927125A CN201510312132.2A CN201510312132A CN104927125A CN 104927125 A CN104927125 A CN 104927125A CN 201510312132 A CN201510312132 A CN 201510312132A CN 104927125 A CN104927125 A CN 104927125A
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- aging agent
- sealing gasket
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a flange sealing gasket for chemical sewage pipe connection and relates to the technical field of sealing material production. The flange sealing gasket is prepared from raw materials in parts by mass as follows: 80-90 parts of NBR (nitrile butadiene rubber), 12-15 parts of nano glass fibers, 20-25 parts of polyphenylene sulfide, 15-20 parts of polyvinyl alcohol, 10-12 parts of kaolin, 8-11 parts of carboxymethyl chitosan, 5-8 parts of white carbon black, 4-7 parts of guar gum, 3-5 parts of sodium stearate, 1-3 parts of an anti-aging agent, 20-25 parts of polyethylene glycol and 25-30 parts of water. The NBR is modified with the nano glass fibers, multiple aids are used, the comprehensive performance of the sealing gasket is improved, and the prepared sealing gasket is applicable to corrosive chemical sewage at the temperature lower than 198 DEG C and is long in service life.
Description
Technical field:
The present invention relates to sealing material production technical field, be specifically related to a kind of chemical engineering sewage pipeline connecting flange gasket.
Background technology:
Chemical engineering sewage refers to the sewage such as processing wastewater, water coolant, discarded washing water, equipment and place wash-down water given off in chemical process.If these sewage discharge without process, different properties and the pollution in various degree of water body can be caused, thus the health of harm humans, affect the production of industrial or agricultural.
At present, the plastics tubing that the main use properties of conveying of chemical engineering sewage pipeline is stable, and the connection between pipeline adopts Flange joint mostly.During Flange joint, in order to improve stopping property, need to use gasket between the flanges.But due to the complicated component in chemical engineering sewage, there is very strong corrodibility or there is higher temperature, therefore can not use general flange gasket.In recent years, people put forth effort on the gasket of exploitation corrosion-and high-temp-resistant, but performance is undesirable, and work-ing life is shorter.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of chemical engineering sewage pipeline connecting flange gasket of high temperature resistant, corrosion-resistant and long service life.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of chemical engineering sewage pipeline connecting flange gasket, be made up of the raw material of following mass fraction:
Paracril 80-90 part, nanometer glass fiber 12-15 part, polyphenylene sulfide 20-25 part, polyvinyl alcohol 15-20 part, cm-chitosan 8-11 part, kaolin 6-9 part, white carbon black 5-8 part, guar gum 4-7 part, sodium stearate 3-5 part, anti-aging agent 1-3 part, polyoxyethylene glycol 20-25 part, water 25-30 part;
Its preparation method is as follows:
(1) cm-chitosan, sodium stearate are fully dissolved in the water, make the aqueous solution;
(2) in reactor, add paracril, nanometer glass fiber and polyoxyethylene glycol, stir and be warming up to 100-110 DEG C of insulation 1-2h, after then cooling, obtain material I;
(3) in Banbury mixer, polyphenylene sulfide, polyvinyl alcohol and guar gum is added, be warming up to 65-70 DEG C of mixing 3-5min, then the aqueous solution prepared by material I and step (1) is added, continue to be warming up to 90-95 DEG C of mixing 6-8min, add kaolin, white carbon black and anti-aging agent again, send into vulcanizer after mixing 4-6min, make flange gasket according to user demand.
Described anti-aging agent is selected from one or more in antioxidant A W, anti-aging agent RD, antioxidant A, antioxidant D, anti-aging agent CPPD.
The invention has the beneficial effects as follows:
(1) utilize nanometer glass fiber to carry out modification to paracril, and be aided with multiple auxiliary agent, improve the over-all properties of gasket;
(2) obtained gasket has stronger high thermal resistance, erosion resistance, is applicable to less than 198 DEG C, has corrosive chemical engineering sewage;
(3) long service life, is generally 3-5;
(4) raw material is easy to get, preparation method is simple, is conducive to suitability for industrialized production.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
(1) 8kg cm-chitosan, 3kg sodium stearate are fully dissolved in 25kg water, make the aqueous solution;
(2) in reactor, add 80kg paracril, 12kg nanometer glass fiber and 20kg polyoxyethylene glycol, stir and be warming up to 100-110 DEG C of insulation 2h, after then cooling, obtain material I;
(3) in Banbury mixer, 20kg polyphenylene sulfide, 15kg polyvinyl alcohol and 4kg guar gum is added, be warming up to 65-70 DEG C of mixing 5min, then the aqueous solution prepared by material I and step (1) is added, continue to be warming up to 90-95 DEG C of mixing 8min, add 6kg kaolin, 5kg white carbon black and 1kg anti-aging agent again, send into vulcanizer after mixing 5min, make flange gasket according to user demand.
Embodiment 2
(1) 9kg cm-chitosan, 4kg sodium stearate are fully dissolved in 28kg water, make the aqueous solution;
(2) in reactor, add 85kg paracril, 13kg nanometer glass fiber and 22kg polyoxyethylene glycol, stir and be warming up to 100-110 DEG C of insulation 2h, after then cooling, obtain material I;
(3) in Banbury mixer, 23kg polyphenylene sulfide, 18kg polyvinyl alcohol and 6kg guar gum is added, be warming up to 65-70 DEG C of mixing 5min, then the aqueous solution prepared by material I and step (1) is added, continue to be warming up to 90-95 DEG C of mixing 8min, add 7kg kaolin, 6kg white carbon black and 2kg anti-aging agent again, send into vulcanizer after mixing 5min, make flange gasket according to user demand.
Embodiment 3
(1) 11kg cm-chitosan, 5kg sodium stearate are fully dissolved in 30kg water, make the aqueous solution;
(2) in reactor, add 90kg paracril, 15kg nanometer glass fiber and 25kg polyoxyethylene glycol, stir and be warming up to 100-110 DEG C of insulation 2h, after then cooling, obtain material I;
(3) in Banbury mixer, 25kg polyphenylene sulfide, 20kg polyvinyl alcohol and 7kg guar gum is added, be warming up to 65-70 DEG C of mixing 5min, then the aqueous solution prepared by material I and step (1) is added, continue to be warming up to 90-95 DEG C of mixing 8min, add 9kg kaolin, 8kg white carbon black and 3kg anti-aging agent again, send into vulcanizer after mixing 5min, make flange gasket according to user demand.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a chemical engineering sewage pipeline connecting flange gasket, is characterized in that, is made up of the raw material of following mass fraction:
Paracril 80-90 part, nanometer glass fiber 12-15 part, polyphenylene sulfide 20-25 part, polyvinyl alcohol 15-20 part, cm-chitosan 8-11 part, kaolin 6-9 part, white carbon black 5-8 part, guar gum 4-7 part, sodium stearate 3-5 part, anti-aging agent 1-3 part, polyoxyethylene glycol 20-25 part, water 25-30 part;
Its preparation method is as follows:
(1) cm-chitosan, sodium stearate are fully dissolved in the water, make the aqueous solution;
(2) in reactor, add paracril, nanometer glass fiber and polyoxyethylene glycol, stir and be warming up to 100-110 DEG C of insulation 1-2h, after then cooling, obtain material I;
(3) in Banbury mixer, polyphenylene sulfide, polyvinyl alcohol and guar gum is added, be warming up to 65-70 DEG C of mixing 3-5min, then the aqueous solution prepared by material I and step (1) is added, continue to be warming up to 90-95 DEG C of mixing 6-8min, add kaolin, white carbon black and anti-aging agent again, send into vulcanizer after mixing 4-6min, make flange gasket according to user demand.
2. chemical engineering sewage pipeline connecting flange gasket according to claim 1, is characterized in that: described anti-aging agent is selected from one or more in antioxidant A W, anti-aging agent RD, antioxidant A, antioxidant D, anti-aging agent CPPD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312132.2A CN104927125A (en) | 2015-06-08 | 2015-06-08 | Flange sealing gasket for chemical sewage pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312132.2A CN104927125A (en) | 2015-06-08 | 2015-06-08 | Flange sealing gasket for chemical sewage pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104927125A true CN104927125A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312132.2A Pending CN104927125A (en) | 2015-06-08 | 2015-06-08 | Flange sealing gasket for chemical sewage pipe connection |
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| Country | Link |
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| CN (1) | CN104927125A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280175A (en) * | 2016-08-16 | 2017-01-04 | 苏州市云林电子有限公司 | A kind of high intensity modified polypropene nitrile rubber |
| CN107141542A (en) * | 2017-06-13 | 2017-09-08 | 芜湖瑞德机械科技有限公司 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN107236159A (en) * | 2017-06-13 | 2017-10-10 | 芜湖瑞德机械科技有限公司 | Isoprene rubber/butadiene-styrene rubber composite transformer sealing gasket and preparation method thereof |
| CN107337818A (en) * | 2017-08-23 | 2017-11-10 | 柳州市颖航汽配有限公司 | The manufacture method of rubber gasket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993502A (en) * | 2012-11-01 | 2013-03-27 | 安徽荣达阀门有限公司 | High-temperature oil resistant nitrile rubber gasket and preparation method thereof |
| CN103601927A (en) * | 2013-11-06 | 2014-02-26 | 安徽江威精密制造有限公司 | Anti-corrosion capacitor rubber sealing gasket and preparation method thereof |
| CN103601926A (en) * | 2013-11-06 | 2014-02-26 | 安徽江威精密制造有限公司 | High-strength rubber sealing gasket for capacitor and preparation method thereof |
-
2015
- 2015-06-08 CN CN201510312132.2A patent/CN104927125A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993502A (en) * | 2012-11-01 | 2013-03-27 | 安徽荣达阀门有限公司 | High-temperature oil resistant nitrile rubber gasket and preparation method thereof |
| CN103601927A (en) * | 2013-11-06 | 2014-02-26 | 安徽江威精密制造有限公司 | Anti-corrosion capacitor rubber sealing gasket and preparation method thereof |
| CN103601926A (en) * | 2013-11-06 | 2014-02-26 | 安徽江威精密制造有限公司 | High-strength rubber sealing gasket for capacitor and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280175A (en) * | 2016-08-16 | 2017-01-04 | 苏州市云林电子有限公司 | A kind of high intensity modified polypropene nitrile rubber |
| CN107141542A (en) * | 2017-06-13 | 2017-09-08 | 芜湖瑞德机械科技有限公司 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN107236159A (en) * | 2017-06-13 | 2017-10-10 | 芜湖瑞德机械科技有限公司 | Isoprene rubber/butadiene-styrene rubber composite transformer sealing gasket and preparation method thereof |
| CN107141542B (en) * | 2017-06-13 | 2018-09-04 | 芜湖瑞德机械科技有限公司 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN107337818A (en) * | 2017-08-23 | 2017-11-10 | 柳州市颖航汽配有限公司 | The manufacture method of rubber gasket |
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Application publication date: 20150923 |
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