CN109627646A - A kind of heating power conveying preparation process of flange seal gasket - Google Patents
A kind of heating power conveying preparation process of flange seal gasket Download PDFInfo
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- CN109627646A CN109627646A CN201811489427.7A CN201811489427A CN109627646A CN 109627646 A CN109627646 A CN 109627646A CN 201811489427 A CN201811489427 A CN 201811489427A CN 109627646 A CN109627646 A CN 109627646A
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- heating power
- seal gasket
- flange seal
- power conveying
- preparation process
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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
- C08L27/00—Compositions of 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions of 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- 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
- C08L2205/03—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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation processes of heating power conveying flange seal gasket, include the following steps: that fluorubber, nitrile rubber, silicon rubber are placed in mixer and are kneaded, zinc oxide, stearic acid, 2 is added, 2,4- trimethyl -1,2- dihyaroquinoline condensate, N- isopropyl -4-aminodiphenylamine, compound paraffin continue to be kneaded, and obtain rubber compound；Powdered whiting, nano-titanium dioxide, magnesium stearate, silane coupling agent are added into rubber compound, in 130-140 DEG C of internally mix of temperature, stands, sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide internally mix is added, molding is sent into vulcanizer and is vulcanized, obtains heating power conveying flange seal gasket.Preparation process of the present invention is simple, and the wear-resistant effect of product is good, and thermal stability is good.
Description
Technical field
The present invention relates to the preparation works that gasket seal technical field more particularly to a kind of conveying of heating power use flange seal gasket
Skill.
Background technique
It is well known, in heating power transmission process, the pipeline using stainless steel material is needed, passes through the pipeline of stainless steel material
The too fast corrosion of pipeline can be avoided during conveying the thermal energy medium such as steam or hot water, but pipeline abutted flange connects
High-temperature resistant sealing pad is used at seam, the medium temperature conveyed in heat distribution pipeline is high, pressure is big, flow velocity is fast, is running
When can bring biggish impact to high-temperature resistant sealing pad between pipeline, especially two flanges, this is to the wear-resisting of gasket seal
Property, tear-resistant and aeroelastic requirements are higher, it would be highly desirable to solve.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of systems of heating power conveying flange seal gasket
Standby technique, simple process, and the wear-resistant effect of product is good, thermal stability is good.
A kind of heating power conveying proposed by the present invention preparation process of flange seal gasket, includes the following steps:
S1, fluorubber, nitrile rubber, silicon rubber are placed in mixer and are kneaded, zinc oxide, stearic acid, 2,2,4- is added
Trimethyl -1,2- dihyaroquinoline condensate, N- isopropyl -4-aminodiphenylamine, compound paraffin continue to be kneaded, and are kneaded
Glue；
S2, powdered whiting, nano-titanium dioxide, magnesium stearate, silane coupling agent are added into rubber compound, in temperature
130-140 DEG C of internally mix is stood, and sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide internally mix is added, and molding is sent into vulcanizer
Vulcanization, obtains heating power conveying flange seal gasket.
Preferably, in S1, fluorubber, nitrile rubber, silicon rubber weight ratio be 50-60:20-40:30-60.
Preferably, in S1, mixing time 60s, melting temperature is 90-110 DEG C.
Preferably, in S2, powdered whiting, nano-titanium dioxide, magnesium stearate, silane coupling agent weight ratio be
40-50:24-44:1-2:0.2-1.
Preferably, in S2, vulcanization time 1-3min, curing temperature is 180-190 DEG C.
Preferably, in S2, sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide weight ratio are 1-2:0.1-0.2.
In the present invention, fluorubber, nitrile rubber, silicon rubber are used in combination, and are remarkably improved the wear-resisting and heat resistance of rubber itself
Can, it is modified that the silane coupling agent can carry out surface to powdered whiting, nano-titanium dioxide, magnesium stearate, and then increases rubber
Glue is durable and wearability；Sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide compounding are vulcanizing system, and the polysulfide bond of tool can
Increase rubber durability, according to heating power conveying made of present invention process with flange seal gasket in terms of existing technologies
With excellent high-wearing feature and durability, solving heating power conveying flange seal gasket high temperature leads to asking for tacky cracking
Topic, and has the physical properties such as good hardness, breaking strength, elongation at break, buckling, especially with excellent wear-resisting and resistance to
Long performance, long service life.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of heating power conveying preparation process of flange seal gasket, includes the following steps:
S1,60 parts of fluorubber, 20 parts of nitrile rubbers, 60 parts of silicon rubber are placed in mixer and are kneaded 20- by weight
60s, melting temperature are 90 DEG C, and 0.4 part of zinc oxide, 1 part of stearic acid, 1.2 part 2,2,4- trimethyl -1,2- dihyaroquinolines are added
Condensate, 1 part of N- isopropyl -4-aminodiphenylamine, 3 parts of compound paraffin continue to be kneaded 1min, obtain rubber compound；
S2,50 parts of powdered whitings, 24 parts of nano-titanium dioxides, 2 parts of magnesium stearates, 0.2 part of silicon are added into rubber compound
1 part of sulphur, -0.2 part of N- cyclohexyl -2-[4-morpholinodithio time sulphur is added in temperature 140 DEG C of internally mix 20s, standing -5h in alkane coupling agent
Amide internally mix 10min, molding are sent into vulcanizer, vulcanize 1min at 190 DEG C, obtain heating power conveying flange seal gasket.
Embodiment 2
A kind of heating power conveying preparation process of flange seal gasket, includes the following steps:
S1,50 parts of fluorubber, 40 parts of nitrile rubbers, 30 parts of silicon rubber are placed in mixer and are kneaded 20s by weight, mixed
Refining temperature is 110 DEG C, and 0.1 part of zinc oxide, 2 parts of stearic acid, 0.4 part 2, the polymerization of 2,4- trimethyl -1,2- dihyaroquinolines is added
Body, 1.9 parts of N- isopropyl -4-aminodiphenylamines, 1 part of compound paraffin continue to be kneaded 2min, obtain rubber compound；
S2,40 parts of powdered whitings, 44 parts of nano-titanium dioxides, 1 part of magnesium stearate, 1 part of silane are added into rubber compound
Coupling agent stands 1h, 2 parts of sulphur, 0.1 part of N- cyclohexyl -2-[4-morpholinodithio sulfenamide is added in 130 DEG C of internally mix 50s of temperature
Internally mix 20min, molding are sent into vulcanizer, vulcanize 3min at 180 DEG C, obtain heating power conveying flange seal gasket.
Embodiment 3
A kind of heating power conveying preparation process of flange seal gasket, includes the following steps:
S1,52 parts of fluorubber, 26 parts of nitrile rubbers, 42 parts of silicon rubber are placed in mixer and are kneaded 32s by weight, mixed
Refining temperature is 96 DEG C, and 0.2 part of zinc oxide, 1.4 parts of stearic acid, 0.6 part 2, the polymerization of 2,4- trimethyl -1,2- dihyaroquinolines is added
Body, 1.2 parts of N- isopropyl -4-aminodiphenylamines, 1.2 parts of compound paraffin continue to be kneaded 1.5min, obtain rubber compound；
S2,44 parts of powdered whitings, 28 parts of nano-titanium dioxides, 1.3 parts of magnesium stearates, 0.4 part are added into rubber compound
Silane coupling agent stands 3h, 1.6 parts of sulphur, 0.12 part of N- cyclohexyl -2-[4-morpholinodithio is added in 136 DEG C of internally mix 25s of temperature
Sulfenamide internally mix 12min, molding are sent into vulcanizer, vulcanize 2min at 182 DEG C, obtain heating power conveying flange seal
Gasket.
Embodiment 4
A kind of heating power conveying preparation process of flange seal gasket, includes the following steps:
S1,58 parts of fluorubber, 37 parts of nitrile rubbers, 55 parts of silicon rubber are placed in mixer and are kneaded 42s by weight, mixed
Refining temperature is 99 DEG C, and 0.32 part of zinc oxide, 1.8 parts of stearic acid, 0.48 part 2 is added, and 2,4- trimethyl -1,2- dihyaroquinolines are poly-
Zoarium, 1.6 parts of N- isopropyl -4-aminodiphenylamines, 2.4 parts of compound paraffin continue to be kneaded 1.8min, obtain rubber compound；
S2,48 parts of powdered whitings, 41 parts of nano-titanium dioxides, 1.6 parts of magnesium stearates, 0.9 part are added into rubber compound
Silane coupling agent stands 3h, 1.6 parts of sulphur, 0.18 part of N- cyclohexyl -2-[4-morpholinodithio is added in 138 DEG C of internally mix 42s of temperature
Sulfenamide internally mix 19min, molding are sent into vulcanizer, vulcanize 2min at 189 DEG C, obtain heating power conveying flange seal
Gasket.
Embodiment 5
A kind of heating power conveying preparation process of flange seal gasket, includes the following steps:
S1,56 parts of fluorubber, 32 parts of nitrile rubbers, 38 parts of silicon rubber are placed in mixer and are kneaded 35s by weight, mixed
Refining temperature is 98 DEG C, and 0.2 part of zinc oxide, 1.5 parts of stearic acid, 0.8 part 2, the polymerization of 2,4- trimethyl -1,2- dihyaroquinolines is added
Body, 1.7 parts of N- isopropyl -4-aminodiphenylamines, 1.8 parts of compound paraffin continue to be kneaded 1.5min, obtain rubber compound；
S2,45 parts of powdered whitings, 28 parts of nano-titanium dioxides, 1.6 parts of magnesium stearates, 0.8 part are added into rubber compound
Silane coupling agent stands 4h, 1.8 parts of sulphur, 0.18 part of N- cyclohexyl -2-[4-morpholinodithio is added in 136 DEG C of internally mix 42s of temperature
Sulfenamide internally mix 16min, molding are sent into vulcanizer, vulcanize 2min at 188 DEG C, obtain heating power conveying flange seal
Gasket.
Heating power conveying prepared by embodiment 5 is tested for the property with flange seal gasket, test result is as follows shown in table:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. the preparation process that flange seal gasket is used in a kind of heating power conveying, which comprises the steps of:
S1, fluorubber, nitrile rubber, silicon rubber are placed in mixer and are kneaded, zinc oxide, stearic acid, 2,2,4- front threes are added
Base -1,2- dihyaroquinoline condensate, N- isopropyl -4-aminodiphenylamine, compound paraffin continue to be kneaded, and obtain rubber compound；
S2, powdered whiting, nano-titanium dioxide, magnesium stearate, silane coupling agent are added into rubber compound, in temperature 130-
140 DEG C of internally mixes are stood, and sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide internally mix is added, and sulphur in vulcanizer is sent into molding
Change, obtains heating power conveying flange seal gasket.
2. the preparation process that flange seal gasket is used in heating power conveying according to claim 1, which is characterized in that in S1,
Fluorubber, nitrile rubber, silicon rubber weight ratio be 50-60:20-40:30-60.
3. the preparation process that flange seal gasket is used in heating power conveying according to claim 1, which is characterized in that in S1,
Mixing time is 60s, and melting temperature is 90-110 DEG C.
4. the preparation process that flange seal gasket is used in heating power conveying according to claim 1, which is characterized in that in S2,
Powdered whiting, nano-titanium dioxide, magnesium stearate, silane coupling agent weight ratio be 40-50:24-44:1-2:0.2-1.
5. the preparation process that flange seal gasket is used in heating power conveying according to claim 1, which is characterized in that in S2,
Vulcanization time is 1-3min, and curing temperature is 180-190 DEG C.
6. the preparation process that flange seal gasket is used in heating power conveying according to claim 1, which is characterized in that in S2,
Sulphur, N- cyclohexyl -2-[4-morpholinodithio sulfenamide weight ratio are 1-2:0.1-0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489427.7A CN109627646A (en) | 2018-12-06 | 2018-12-06 | A kind of heating power conveying preparation process of flange seal gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489427.7A CN109627646A (en) | 2018-12-06 | 2018-12-06 | A kind of heating power conveying preparation process of flange seal gasket |
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| CN109627646A true CN109627646A (en) | 2019-04-16 |
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| CN201811489427.7A Withdrawn CN109627646A (en) | 2018-12-06 | 2018-12-06 | A kind of heating power conveying preparation process of flange seal gasket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374958A (en) * | 2021-06-04 | 2021-09-10 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
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| CN102321321A (en) * | 2011-08-31 | 2012-01-18 | 铜陵万通阀门有限公司 | Fluorine-containing rubber valve composite material and preparation method thereof |
| CN103275446A (en) * | 2013-05-09 | 2013-09-04 | 蔡德扬 | Fluororubber-silicone rubber blended rubber and preparation method thereof |
| CN104046030A (en) * | 2014-06-25 | 2014-09-17 | 安徽嘉木橡塑工业有限公司 | High temperature-resistant oil-resistant rubber |
| CN105111742A (en) * | 2015-08-17 | 2015-12-02 | 合肥市再德高分子材料有限公司 | Impact-resistant wear-resistant rubber material |
| CN107739458A (en) * | 2017-11-09 | 2018-02-27 | 克里特集团有限公司 | A kind of flat gate valve sealing ring and preparation method thereof |
-
2018
- 2018-12-06 CN CN201811489427.7A patent/CN109627646A/en not_active Withdrawn
Patent Citations (5)
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|---|---|---|---|---|
| CN102321321A (en) * | 2011-08-31 | 2012-01-18 | 铜陵万通阀门有限公司 | Fluorine-containing rubber valve composite material and preparation method thereof |
| CN103275446A (en) * | 2013-05-09 | 2013-09-04 | 蔡德扬 | Fluororubber-silicone rubber blended rubber and preparation method thereof |
| CN104046030A (en) * | 2014-06-25 | 2014-09-17 | 安徽嘉木橡塑工业有限公司 | High temperature-resistant oil-resistant rubber |
| CN105111742A (en) * | 2015-08-17 | 2015-12-02 | 合肥市再德高分子材料有限公司 | Impact-resistant wear-resistant rubber material |
| CN107739458A (en) * | 2017-11-09 | 2018-02-27 | 克里特集团有限公司 | A kind of flat gate valve sealing ring and preparation method thereof |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374958A (en) * | 2021-06-04 | 2021-09-10 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
| CN113374958B (en) * | 2021-06-04 | 2024-03-08 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
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Application publication date: 20190416 |