CN110183799A - A kind of gasket seal board and preparation method thereof - Google Patents
A kind of gasket seal board and preparation method thereof Download PDFInfo
- Publication number
- CN110183799A CN110183799A CN201910382187.9A CN201910382187A CN110183799A CN 110183799 A CN110183799 A CN 110183799A CN 201910382187 A CN201910382187 A CN 201910382187A CN 110183799 A CN110183799 A CN 110183799A
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- gasket seal
- seal board
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- ptfe
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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
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of gasket seal boards, are formed by the raw material proportioning of following parts by weight: 75-100 parts of polytetrafluoroethylene (PTFE), 45-60 parts of glass fibre, 60-70 parts of silicon powder, 15-20 parts of polyphenylene sulfide, 10-15 parts of polyether-ether-ketone, 2-5 parts of auxiliary agent；The invention also discloses a kind of preparation methods of gasket seal board, comprising the following steps: S1: each raw material being added in blender according to the proportion, pre- ingredient is obtained after being sufficiently stirred；S2: the pre- ingredient that S1 is obtained is added in double screw extruder, and through double screw extruder melting extrusion under conditions of melt pressure is 1.73MPa, pressing mold to obtain the final product；The present invention improves the high temperature resistant of gasket seal, the performances such as corrosion-resistant, extends service life.
Description
Technical field
The present invention relates to plastics composite technical fields, more particularly to a kind of gasket seal board and its preparation side
Method.
Background technique
Existing gasket seal plate is mostly using asbestos as main material, it is well known that and the toughness of asbestos is very poor, though it is resistant to
High temperature, but it is easy breakage.There are also one kind on the market at present mainly using non-asbestos fibre nitrile rubber as main material, this
Although material good toughness, high temperature resistant stability is very poor, is particularly vulnerable to corrode, therefore it is new to develop a kind of all-round gasket seal
Based plate is a problem to be solved.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of gasket seal new type of plate
Material and preparation method thereof.
In order to solve the above technical problems, technical scheme is as follows:
A kind of gasket seal board, is formed by the raw material proportioning of following parts by weight: 75-100 parts of polytetrafluoroethylene (PTFE), glass fibers
45-60 parts, 60-70 parts of silicon powder, 15-20 parts of polyphenylene sulfide, 10-15 parts of polyether-ether-ketone, 2-5 parts of auxiliary agent of dimension.
Further, formed by the raw material proportioning of following parts by weight: 75 parts of polytetrafluoroethylene (PTFE), 45 parts of glass fibre, silicon is micro-
60 parts of powder, 15 parts of polyphenylene sulfide, 10 parts of polyether-ether-ketone, 2 parts of auxiliary agent.
A kind of preceding gasket seal board, is formed: polytetrafluoroethylene (PTFE) 100 by the raw material proportioning of following parts by weight
Part, 60 parts of glass fibre, 70 parts of silicon powder, 20 parts of polyphenylene sulfide, 15 parts of polyether-ether-ketone, 5 parts of auxiliary agent.
A kind of preceding gasket seal board, is formed: polytetrafluoroethylene (PTFE) 90 by the raw material proportioning of following parts by weight
Part, 55 parts of glass fibre, 65 parts of silicon powder, 18 parts of polyphenylene sulfide, 13 parts of polyether-ether-ketone, 4 parts of auxiliary agent.
A kind of preceding gasket seal board, auxiliary agent is calcium zinc stabilizer.
A kind of preparation method of gasket seal board, comprising the following steps:
S1: each raw material is added in blender according to the proportion, and pre- ingredient is obtained after being sufficiently stirred；
S2: the pre- ingredient that S1 is obtained is added in double screw extruder, through double screw extruder melt pressure be 1.73MPa
Under conditions of melting extrusion, pressing mold to obtain the final product.
A kind of preparation method of preceding gasket seal board, the mixing speed of blender is 1780- in S1
2000r/min, mixing time 10-15min.
A kind of preparation method of preceding gasket seal board, the extrusion temperature of double screw extruder is in S2
150-200℃。
The beneficial effects of the present invention are:
(1) present invention uses base-material of the polytetrafluoroethylene (PTFE) as gasket seal board, not only has excellent leakproofness, and
And chemical stability is high, corrosion resistance is strong, the sealing performance of gasket seal has been effectively ensured, while also extending gasket seal
Service life；
(2) polyphenylene sulfide is added in the feed, there is good mechanical performance, and high temperature resistant, fire retardant, thermal stability is good, as
High temperature resistant filler greatly enhances the high temperature resistance of gasket seal, meanwhile, the intensity of gasket seal is also ensured, in addition, can
It is modified enhancing with glass fibre, greatly improves shock resistance；
(3) polyether-ether-ketone is added in the feed, can be used as high temperature structural materials and electrically insulating material, further increases gasket
The high temperature resistance of piece guarantees its electrical insulation capability, meanwhile, it can be compounded to form reinforcing material with glass fibre, insoluble in any
In solvent and strong acid, highly basic, there is very high chemical stability, also there is self-extinguishment, do not need to add any fire retardant
Gasket seal is set to reach the 94V-0 grade of UL standard；
(4) it is additionally added silicon powder in the feed, not only there is good temperature tolerance, acid-alkali-corrosive-resisting, high insulation, stable chemical performance etc.
Advantage, and in the preparation process of gasket seal, silicon powder can be filled into the gap of gasket seal internal particle, to make
The resistance to compression of gasket seal, shock resistance improve 22-24%；
(5) preparation method of gasket seal board is simple in the present invention, and process conditions are easily controllable, is suitble to push away on a large scale
It is wide to use.
Specific embodiment
To make the contents of the present invention be easier to be clearly understood, below according to specific embodiment, the present invention is made
Further details of explanation.
Embodiment 1:
A kind of gasket seal board is present embodiments provided, is formed by the raw material proportioning of following parts by weight: polytetrafluoroethylene (PTFE)
75 parts, 45 parts of glass fibre, 60 parts of silicon powder, 15 parts of polyphenylene sulfide, 10 parts of polyether-ether-ketone, 2 parts of auxiliary agent, wherein auxiliary agent uses
Calcium zinc stabilizer.
The present embodiment additionally provides a kind of preparation method of gasket seal board, comprising the following steps:
S1: each raw material is added in blender according to the proportion, and the mixing speed of blender is adjusted to 1780-2000r/min, is stirred
Pre- ingredient is obtained after mixing 10-15min；
S2: the pre- ingredient that S1 is obtained is added in double screw extruder, is in melt pressure through double screw extruder
1.73MPa, temperature are melting extrusion under conditions of 150-200 DEG C, and pressing mold to obtain the final product.
Embodiment 2:
A kind of gasket seal board is present embodiments provided, is formed by the raw material proportioning of following parts by weight: polytetrafluoroethylene (PTFE)
100 parts, 60 parts of glass fibre, 70 parts of silicon powder, 20 parts of polyphenylene sulfide, 15 parts of polyether-ether-ketone, 5 parts of auxiliary agent, wherein auxiliary agent uses
Calcium zinc stabilizer.
The present embodiment additionally provides a kind of preparation method of gasket seal board, comprising the following steps:
S1: each raw material is added in blender according to the proportion, and the mixing speed of blender is adjusted to 1780-2000r/min, is stirred
Pre- ingredient is obtained after mixing 10-15min；
S2: the pre- ingredient that S1 is obtained is added in double screw extruder, is in melt pressure through double screw extruder
1.73MPa, temperature are melting extrusion under conditions of 150-200 DEG C, and pressing mold to obtain the final product.
Embodiment 3:
A kind of gasket seal board is present embodiments provided, is formed by the raw material proportioning of following parts by weight: polytetrafluoroethylene (PTFE)
90 parts, 55 parts of glass fibre, 65 parts of silicon powder, 18 parts of polyphenylene sulfide, 13 parts of polyether-ether-ketone, 4 parts of auxiliary agent, wherein auxiliary agent uses
Calcium zinc stabilizer.
The present embodiment additionally provides a kind of preparation method of gasket seal board, comprising the following steps:
S1: each raw material is added in blender according to the proportion, and the mixing speed of blender is adjusted to 1780-2000r/min, is stirred
Pre- ingredient is obtained after mixing 10-15min；
S2: the pre- ingredient that S1 is obtained is added in double screw extruder, is in melt pressure through double screw extruder
1.73MPa, temperature are melting extrusion under conditions of 150-200 DEG C, and pressing mold to obtain the final product.
Comparative example: the gasket seal of commercially available Suzhou treasured Hua sealing Science and Technology Co., Ltd. production.
Gasket seal board made from embodiment 1- embodiment 3 and comparative example are compared into test, properties
It is measured by national standard, experimental condition and other experimental materials are all the same, and test result is as shown in table 1:
Table 1
As can be seen from Table 1, gasket seal board made from embodiment 1- embodiment 3 is not used only compared with comparative example
The range of temperature is higher, can under high temperature and low temperature normal use, and maximum working pressure is also higher, meanwhile, acid and alkali-resistance is rotten
The performance of erosion is stronger.It can thus be seen that gasket seal board produced by the present invention, compared with existing gasket seal not
Only more resistant to high temperature and low temperature, and anti-pressure ability is stronger, and corrosion resistance is more outstanding, to make gasket produced by the present invention
Piece use scope is wider, and the service life is longer.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (8)
1. a kind of gasket seal board, it is characterised in that: formed by the raw material proportioning of following parts by weight: polytetrafluoroethylene (PTFE)
It 75-100 parts, 45-60 parts of glass fibre, 60-70 parts of silicon powder, 15-20 parts of polyphenylene sulfide, 10-15 parts of polyether-ether-ketone, helps
2-5 parts of agent.
2. a kind of gasket seal board according to claim 1, it is characterised in that: matched by the raw material of following parts by weight
Than forming: 75 parts of polytetrafluoroethylene (PTFE), 45 parts of glass fibre, 60 parts of silicon powder, 15 parts of polyphenylene sulfide, 10 parts of polyether-ether-ketone, helping
2 parts of agent.
3. a kind of gasket seal board according to claim 1, it is characterised in that: matched by the raw material of following parts by weight
Than forming: 100 parts of polytetrafluoroethylene (PTFE), 60 parts of glass fibre, 70 parts of silicon powder, 20 parts of polyphenylene sulfide, 15 parts of polyether-ether-ketone, helping
5 parts of agent.
4. a kind of gasket seal board according to claim 1, it is characterised in that: matched by the raw material of following parts by weight
Than forming: 90 parts of polytetrafluoroethylene (PTFE), 55 parts of glass fibre, 65 parts of silicon powder, 18 parts of polyphenylene sulfide, 13 parts of polyether-ether-ketone, helping
4 parts of agent.
5. a kind of gasket seal board according to claim 1 to 4, it is characterised in that: the auxiliary agent is calcium zinc
Stabilizer.
6. a kind of preparation method of gasket seal board as described in claim 1, it is characterised in that: including following step
It is rapid:
S1: each raw material is added in blender according to the proportion, and pre- ingredient is obtained after being sufficiently stirred；
S2: the pre- ingredient that S1 is obtained is added in double screw extruder, through double screw extruder melt pressure be 1.73MPa
Under conditions of melting extrusion, pressing mold to obtain the final product.
7. a kind of preparation method of gasket seal board according to claim 6, it is characterised in that: stirred in the S1
The mixing speed for mixing machine is 1780-2000r/min, mixing time 10-15min.
8. a kind of preparation method of gasket seal board according to claim 6, it is characterised in that: double in the S2
The extrusion temperature of screw extruder is 150-200 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382187.9A CN110183799A (en) | 2019-05-08 | 2019-05-08 | A kind of gasket seal board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382187.9A CN110183799A (en) | 2019-05-08 | 2019-05-08 | A kind of gasket seal board and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110183799A true CN110183799A (en) | 2019-08-30 |
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| CN201910382187.9A Pending CN110183799A (en) | 2019-05-08 | 2019-05-08 | A kind of gasket seal board and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040225A (en) * | 1999-07-27 | 2001-02-13 | Oiles Ind Co Ltd | Heat-resistant resin composition for sliding member |
| CN101775186A (en) * | 2010-02-01 | 2010-07-14 | 南京肯特新材料有限公司 | Polytetrafluoroethylene composite material and product preparation method thereof |
| CN101942162A (en) * | 2009-06-18 | 2011-01-12 | 日立电线精密技术株式会社 | Modified fluorocarbon resin composition and molded products |
| CN102627820A (en) * | 2011-08-18 | 2012-08-08 | 天津市天塑科技集团有限公司技术中心 | Modified teflon material for dynamic/static seal |
| CN102719042A (en) * | 2012-06-19 | 2012-10-10 | 天津市天塑科技集团有限公司技术中心 | Self-lubrication wear-resistant modified PTFE (Poly Tetra Fluoro Ethylene) sealing material |
| CN105061956A (en) * | 2015-07-30 | 2015-11-18 | 洛阳轴研科技股份有限公司 | Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer |
-
2019
- 2019-05-08 CN CN201910382187.9A patent/CN110183799A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040225A (en) * | 1999-07-27 | 2001-02-13 | Oiles Ind Co Ltd | Heat-resistant resin composition for sliding member |
| CN101942162A (en) * | 2009-06-18 | 2011-01-12 | 日立电线精密技术株式会社 | Modified fluorocarbon resin composition and molded products |
| CN101775186A (en) * | 2010-02-01 | 2010-07-14 | 南京肯特新材料有限公司 | Polytetrafluoroethylene composite material and product preparation method thereof |
| CN102627820A (en) * | 2011-08-18 | 2012-08-08 | 天津市天塑科技集团有限公司技术中心 | Modified teflon material for dynamic/static seal |
| CN102719042A (en) * | 2012-06-19 | 2012-10-10 | 天津市天塑科技集团有限公司技术中心 | Self-lubrication wear-resistant modified PTFE (Poly Tetra Fluoro Ethylene) sealing material |
| CN105061956A (en) * | 2015-07-30 | 2015-11-18 | 洛阳轴研科技股份有限公司 | Polyether-ether-ketone modified polytetrafluoroethylene composite material, bearing retainer and making method of bearing retainer |
Non-Patent Citations (1)
| Title |
|---|
| 胡隆伟: "《紧固件材料手册》", 31 December 2014, 中国宇航出版社 * |
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Application publication date: 20190830 |