CN106051157B - A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment - Google Patents
A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment Download PDFInfo
- Publication number
- CN106051157B CN106051157B CN201610516845.5A CN201610516845A CN106051157B CN 106051157 B CN106051157 B CN 106051157B CN 201610516845 A CN201610516845 A CN 201610516845A CN 106051157 B CN106051157 B CN 106051157B
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- gasket seal
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- multilayer composite
- biochemical equipment
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The present invention provides a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment, the gasket seal is multi-layer compound structure, the multi-layer compound structure includes basic unit, and the front and back of the basic unit is respectively equipped with expansion buffer layer, flame-retardant layer, erosion resistant coating, high-temperature-resistant layer and outer layer successively inside-out；The MULTILAYER COMPOSITE gasket seal for biochemical equipment, possesses good anti-flammability, anti-corrosive properties and resistance to elevated temperatures, can be widely used in various complicated biochemical equipment environment；Secondly, the gasket seal substantially increases the dilatancy of product, product is possessed good mechanical strength and elasticity；In addition, a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment provided by the invention is also equipped with certain Water-proof and oil-proof, dust-proof, antistatic function.
Description
Technical field
The present invention relates to biochemical equipment field, and in particular to a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment.
Background technology
Gasket seal, is that a kind of machinery, equipment, pipeline etc. of being used for is internal, the material to seal.It is currently used close
Gasket mainly includes asbestos seal gasket and rubber sheet gasketing from material.
Gasket seal is very important on biochemical equipment.Often have in the production process of biochemical equipment equipment fault,
The accidents such as production disruption, inventory disposal occur, and trace it to its cause and are no lack of sealing element (including gasket seal) damage initiation sealing skill
Art Failure Factors.Sealing element (including gasket seal) in a set of biochemical equipment except ensure it is accurate perform technological parameter in addition to, it
Another function be exactly to avoid the three leakages (water, gas, oil etc.) of electromechanical equipment, it to ensure equipment safe and highly efficient operation, section
About energy conservation environment, ensure production product quality play the role of it is very important, countries in the world all pay much attention to it
Research and application.
For the gasket seal in biochemical equipment, the place applied by biochemical equipment, environment are more special, because
This, the requirement to gasket seal is also more stringent.
Most of current biochemical equipment is used for the fields such as biochemical industry pharmacy, sewage disposal, oilfield exploitation.We know
Road, biochemical equipment are typically the making for some bio-chemicals, can usually touch some biochemical reagents, these reagents
Species is various, different properties, and the damage to equipment is also bigger, and therefore, for these fields, gasket is except requiring it
Beyond leakproofness, for production safety, for the gasket of the equipment, the requirement of its anticorrosive property will be far longer than common close
Gasket.Meanwhile in Workplace, the significantly larger than common workplace of fireproof requirement, so, to the fire-retardant of gasket seal
Property, the fire line secure context such as temperature tolerance requirement also higher.
Therefore, for the development of social economy, also for production safety, it is necessary to develop a kind of for biochemical equipment
Multiple-effect gasket seal.
The content of the invention
Above-mentioned to solve the problems, such as, it is an object of the invention to provide a kind of MULTILAYER COMPOSITE for biochemical equipment is close
Gasket, the gasket seal are multi-layer compound structure, and the multi-layer compound structure includes basic unit, the front of the basic unit and the back of the body
Face is respectively equipped with expansion buffer layer, flame-retardant layer, erosion resistant coating, high-temperature-resistant layer and outer layer successively inside-out；It is described to be set for biochemistry
Standby MULTILAYER COMPOSITE gasket seal, possesses good anti-flammability, anti-corrosive properties and resistance to elevated temperatures, can be widely used in each
In the complicated biochemical equipment environment of kind；Secondly, the gasket seal substantially increases the dilatancy of product, product is possessed very well
Mechanical strength and elasticity；In addition, a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment provided by the invention is also equipped with one
Fixed Water-proof and oil-proof, dust-proof, antistatic function.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment, the gasket seal is multi-layer compound structure, described more
Layer composite construction includes basic unit, the front and back of the basic unit be respectively equipped with successively inside-out expansion buffer layer, flame-retardant layer,
Erosion resistant coating, high-temperature-resistant layer and outer layer；The thickness of the flame-retardant layer is 0.25~0.45mm, and the flame-retardant layer is matched somebody with somebody including following weight
Compare raw material：
EVA resin：60~80 parts, brominated isobutylene-p-methylstyrene copolymer rubber：15~25 parts, expanded graphite：
4~8 parts, magnesium hydroxide：8~12 parts, red phosphorus：1~2 part, aramid fiber：3~6 parts, nickel oxide：3~5 parts, impact modification
Agent：2~4 parts, plasticizer：4~8 parts, stabilizer：2~3 parts, coupling agent：0.1~0.5 part, n-butanol：10~20 parts；
The thickness of the erosion resistant coating is 0.1~0.2mm, and the erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：55~85 parts, Oppanol：10~20 parts, ore deposit plant fiber：2~4 parts, epoxy resin：5
~8 parts, nano silicon dioxide：1~3 part；Carbon black:1~2 part, talcum powder：1~2 part, coupling agent：0.1~1 part, plasticizer：2
~4 parts, stabilizer：1~2 part, n-butanol：10~20 parts.
Preferably, the flame-retardant layer includes following weight proportion raw material：
EVA resin：63~78 parts, brominated isobutylene-p-methylstyrene copolymer rubber：16~24 parts, expanded graphite：
4.5~7.5 parts, magnesium hydroxide：8.4~11 parts, red phosphorus：1.2~1.9 parts, aramid fiber：3.8~5.2 parts, nickel oxide：3.4
~4.7 parts, anti-impact modifier：2.3~3.6 parts, plasticizer：4.5~7.4 parts, stabilizer：2.1~2.9 parts, coupling agent：
0.15~0.47 part, n-butanol：11~19 parts；
The erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：60~80 parts, Oppanol：11~19 parts, ore deposit plant fiber：2.3~3.8 parts, asphalt mixtures modified by epoxy resin
Fat：5.5~7.5 parts, nano silicon dioxide：1.4~2.6 parts；Carbon black:1.2~1.9 parts, talcum powder：It is 1.15~1.95 parts, even
Join agent：0.15~0.96 part, plasticizer：2.2~3.8 parts, stabilizer：1.1~1.9 parts, n-butanol：11~19 parts.
Preferably, the flame-retardant layer includes following weight proportion raw material：
EVA resin：70 parts, brominated isobutylene-p-methylstyrene copolymer rubber：21 parts, expanded graphite：6.5 parts, hydrogen
Magnesia：10.6 parts, red phosphorus：1.54 parts, aramid fiber：4.7 parts, nickel oxide：4.2 parts, anti-impact modifier：3 parts, plasticising
Agent：6.3 parts, stabilizer：2.5 parts, coupling agent：0.26 part, n-butanol：16 parts；
The erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：70 parts, Oppanol：15 parts, ore deposit plant fiber：3.2 parts, epoxy resin：6.6 parts, nanometer
Silica：2 parts；Carbon black:1.52 parts, talcum powder：1.54 parts, coupling agent：0.55 part, plasticizer：3.25 parts, stabilizer：
1.58 parts, n-butanol：16 parts.
Further, the basic unit is brominated isobutylene-p-methylstyrene copolymer rubber, and the thickness of the basic unit is 1
~2mm, the outer layer are polytetrafluoroethylene (PTFE), and the thickness of the outer layer is 0.25~0.45mm.
Further, the expansion buffer layer is natural rubber, and the thickness of the expansion buffer layer is 0.2~0.3mm.
In addition, the high-temperature-resistant layer is polypyrrole, the thickness of the high-temperature-resistant layer is 0.3~0.4mm.
Separately have, the anti-impact modifier is styrol copolymer.
Again, the plasticizer is sebacic acid dioctyl ester, and the stabilizer is calcium-zinc composite stabilizing agent and pentaerythrite weight
Component ratio is 1:2 mixture.
Further more, the coupling agent is gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy
One kind in silane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane.
The beneficial effects of the present invention are：
(1) the MULTILAYER COMPOSITE gasket seal for being used for biochemical equipment, sets multi-layer compound structure, product can be made comprehensive
Can be more superior, it is more widely used in the extremely complex production equipment of the environment such as biochemical equipment.
(2) the MULTILAYER COMPOSITE gasket seal for being used for biochemical equipment, possesses good anti-flammability, anti-corrosive properties and resistance to height
Warm nature energy, is highly resistant to the corrosion of chemical reagent and surrounding environment, can still keep good performance in high temperature environments,
, will not be on fire because of reasons such as frictions during equipment production run, there is good anti-flammability, be very suitable for applying
In various complicated biochemical equipment environment.
(3) gasket seal substantially increases the dilatancy of product, product is possessed good mechanical strength and elasticity,
Possess good shock resistance and crocking resistance, extend the service life of the gasket seal.
(4) a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment provided by the invention, is matched by new compound,
It is also set to possess certain Water-proof and oil-proof, dust-proof, antistatic function.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of MULTILAYER COMPOSITE gasket seal for biochemical equipment provided by the invention；
Wherein, 1 is basic unit, and 2 be expansion buffer layer, and 3 be flame-retardant layer, and 4 be erosion resistant coating, and 5 be high-temperature-resistant layer, and 6 be outer layer.
Embodiment
Clear, complete description will be carried out to the technical solution in the embodiment of the present invention below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained on the premise of creative work is not made, belong to what the present invention protected
Scope.
Table 1 be a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment described in the embodiment of the present invention in flame-retardant layer by weight
The materials list of proportioning.
Table 2 be a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment described in the embodiment of the present invention in erosion resistant coating by weight
The materials list of proportioning.
The original of flame-retardant layer by weight ratio in a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment described in 1 implementation column of table
Expect (unit：Part)
Raw material (the unit of erosion resistant coating by weight ratio described in 2 implementation column of table：Part)
The gasket seal of above-described embodiment, the material of each composite bed prepare (such as flame-retardant layer 3, corrosion-resistant coating 4) respectively, so
For composite again afterwards, the product obtained after compound can be reprocessed according to actual use, production requirement, be processed into spy
Fixed shape.
A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment provided by the invention, the multilayer for biochemical equipment
Composite sealing pad, sets multi-layer compound structure, product comprehensive performance can be made more superior, it is more widely used in life
Change in the extremely complex production equipments of environment such as equipment.The MULTILAYER COMPOSITE gasket seal for biochemical equipment, possesses very well
Anti-flammability, anti-corrosive properties and resistance to elevated temperatures, be highly resistant to the corrosion of chemical reagent and surrounding environment, in high temperature environments
Good performance can be still kept, will not be on fire because of reasons such as frictions during equipment production run, have fine
Anti-flammability, be very suitable for applying in various complicated biochemical equipment environment.Secondly, the gasket seal substantially increases production
The dilatancy of product, makes product possess good mechanical strength and elasticity, possesses good shock resistance and crocking resistance, prolong
The service life of the gasket seal is grown.A kind of in addition, MULTILAYER COMPOSITE gasket for biochemical equipment provided by the invention
Piece, is matched by new compound, it is possessed certain Water-proof and oil-proof, dust-proof, antistatic function.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, can be to the technology of invention
Scheme technical scheme is modified or replaced equivalently, without departing from the scope of technical solution of the present invention, it should all cover the power in the present invention
In sharp claimed range.
Claims (6)
1. a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment, it is characterised in that the gasket seal is MULTILAYER COMPOSITE knot
Structure, the multi-layer compound structure include basic unit, and the front and back of the basic unit is respectively equipped with expansion buffer successively inside-out
Layer, flame-retardant layer, erosion resistant coating, high-temperature-resistant layer and outer layer；The thickness of the flame-retardant layer is 0.25~0.45 mm, the flame-retardant layer bag
Include following weight proportion raw material：
EVA resin：60~80 parts, brominated isobutylene-p-methylstyrene copolymer rubber：15~25 parts, expanded graphite：4~8
Part, magnesium hydroxide：8~12 parts, red phosphorus：1~2 part, aramid fiber：3~6 parts, nickel oxide：3~5 parts, anti-impact modifier：2
~4 parts, plasticizer：4~8 parts, stabilizer：2~3 parts, coupling agent：0.1~0.5 part, n-butanol：10~20 parts；
The thickness of the erosion resistant coating is 0.1~0.2 mm, and the erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：55~85 parts, Oppanol：10~20 parts, ore deposit plant fiber：2~4 parts, epoxy resin：5~8
Part, nano silicon dioxide：1~3 part；Carbon black:1~2 part, talcum powder：1~2 part, coupling agent：0.1~1 part, plasticizer：2~4
Part, stabilizer：1~2 part, n-butanol：10~20 parts；
The anti-impact modifier is styrol copolymer；The plasticizer is sebacic acid dioctyl ester, and the stabilizer is calcium zinc
Compound stabilizer and pentaerythrite composition by weight ratio are 1:2 mixture；
The high-temperature-resistant layer is polypyrrole, and the thickness of the high-temperature-resistant layer is 0.3~0.4 mm.
A kind of 2. MULTILAYER COMPOSITE gasket seal for biochemical equipment according to claim 1, it is characterised in that the resistance
Combustion layer includes following weight proportion raw material：
EVA resin：63~78 parts, brominated isobutylene-p-methylstyrene copolymer rubber：16~24 parts, expanded graphite：4.5
~7.5 parts, magnesium hydroxide：8.4~11 parts, red phosphorus：1.2~1.9 parts, aramid fiber：3.8~5.2 parts, nickel oxide：3.4~
4.7 parts, anti-impact modifier：2.3~3.6 parts, plasticizer：4.5~7.4 parts, stabilizer：2.1~2.9 parts, coupling agent：0.15
~0.47 part, n-butanol：11~19 parts；
The erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：60~80 parts, Oppanol：11~19 parts, ore deposit plant fiber：2.3~3.8 parts, epoxy resin：
5.5~7.5 parts, nano silicon dioxide：1.4~2.6 parts；Carbon black:1.2~1.9 parts, talcum powder：1.15~1.95 parts, coupling
Agent：0.15~0.96 part, plasticizer：2.2~3.8 parts, stabilizer：1.1~1.9 parts, n-butanol：11~19 parts.
A kind of 3. MULTILAYER COMPOSITE gasket seal for biochemical equipment according to claim 1, it is characterised in that the resistance
Combustion layer includes following weight proportion raw material：
EVA resin：70 parts, brominated isobutylene-p-methylstyrene copolymer rubber：21 parts, expanded graphite：6.5 parts, hydroxide
Magnesium：10.6 parts, red phosphorus：1.54 parts, aramid fiber：4.7 parts, nickel oxide：4.2 parts, anti-impact modifier：3 parts, plasticizer：6.3
Part, stabilizer：2.5 parts, coupling agent：0.26 part, n-butanol：16 parts；
The erosion resistant coating includes following weight proportion raw material：
Polyphenylene sulfide：70 parts, Oppanol：15 parts, ore deposit plant fiber：3.2 parts, epoxy resin：6.6 parts, nano-silica
SiClx：2 parts；Carbon black:1.52 parts, talcum powder：1.54 parts, coupling agent：0.55 part, plasticizer：3.25 parts, stabilizer：1.58 part,
N-butanol：16 parts.
A kind of 4. MULTILAYER COMPOSITE gasket seal for biochemical equipment according to claim 1, it is characterised in that the base
Layer is brominated isobutylene-p-methylstyrene copolymer rubber, and the thickness of the basic unit is 1~2 mm, and the outer layer is poly- four
Vinyl fluoride, the thickness of the outer layer is 0.25~0.45 mm.
5. a kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment according to claim 1, it is characterised in that described swollen
Swollen cushion is natural rubber, and the thickness of the expansion buffer layer is 0.2~0.3 mm.
A kind of 6. MULTILAYER COMPOSITE gasket seal for biochemical equipment according to claim 1 or 2 or 3, it is characterised in that
The coupling agent is gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy silane, N- (β-ammonia second
Base) one kind in-γ-aminopropyltrimethoxysilane.
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| CN201610516845.5A CN106051157B (en) | 2016-07-04 | 2016-07-04 | A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment |
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| CN201610516845.5A CN106051157B (en) | 2016-07-04 | 2016-07-04 | A kind of MULTILAYER COMPOSITE gasket seal for biochemical equipment |
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| CN106051157B true CN106051157B (en) | 2018-05-15 |
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| CN108105383A (en) * | 2018-01-23 | 2018-06-01 | 合肥欧仕嘉机电设备有限公司 | A kind of high-performance sealed cushion pad |
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| Publication number | Publication date |
|---|---|
| CN106051157A (en) | 2016-10-26 |
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