CN107882988A - A kind of elastane - Google Patents
A kind of elastane Download PDFInfo
- Publication number
- CN107882988A CN107882988A CN201710961961.2A CN201710961961A CN107882988A CN 107882988 A CN107882988 A CN 107882988A CN 201710961961 A CN201710961961 A CN 201710961961A CN 107882988 A CN107882988 A CN 107882988A
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- China
- Prior art keywords
- parts
- holding plate
- hole
- elastane
- oil
- 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
- 229920002334 Spandex Polymers 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 239000003921 oil Substances 0.000 claims abstract description 48
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 229920000742 Cotton Polymers 0.000 claims abstract description 33
- 229920002635 polyurethane Polymers 0.000 claims abstract description 25
- 239000004814 polyurethane Substances 0.000 claims abstract description 25
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000007822 coupling agent Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 229910002012 Aerosil® Inorganic materials 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 6
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- 235000019198 oils Nutrition 0.000 claims description 45
- 230000006872 improvement Effects 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 27
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 11
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 7
- 239000004327 boric acid Substances 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 229940008099 dimethicone Drugs 0.000 claims description 7
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 7
- 235000021388 linseed oil Nutrition 0.000 claims description 7
- 239000000944 linseed oil Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 7
- 239000012974 tin catalyst Substances 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 235000006708 antioxidants Nutrition 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000010358 mechanical oscillation Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010736 steam turbine oil Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- 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
- C08L2205/03—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
A kind of elastane, for the holding plate sealing structure of oil rectifier, the holding plate is sealedly and fixedly connected at the oil-out of support by nut member, and the through hole on holding plate is coaxially disposed and by the first seal ring seal contact gap with entering oil hole；Through hole edge on holding plate protrudes to form through hole boss, first seal ring set is on through hole boss, and first sealing ring thickness be not less than through hole boss height, polytetrafluoroethylene floor of first sealing ring by elastomeric polyurethane layer and coated on elastic polyurethane layer surface is formed, and elastane is made up of the material of following parts by weight：90 95 parts of TPU resins, 25 parts of wax powder, 12 15 parts of aerosil, 68 parts of cotton fiber, 12 parts of coupling agent, 0.5 1 parts of antioxidant, 0.5 1 parts of levelling agent, 0.5 1 parts of dispersant.A kind of elastane provided by the invention, it is mainly used in the holding plate sealing structure of oil rectifier, by compounding obtained elastane the first sealing ring can be made to be not susceptible to the sealing property that plastic deformation which thereby enhances holding plate in long-term extrusion process, even if making to be not easy to loosen under the long-term Vibration Condition of holding plate.
Description
The application is entitled：A kind of oil rectifier holding plate sealing structure, Application No.：2016108440579
The divisional application of patent of invention, parent application day are on 09 23rd, 2016.
Technical field
The present invention relates to gasoline filter seals technical field, more particularly to a kind of oil rectifier is sealed with holding plate
The elastane of structure.
Background technology
Usual automobile using cleaner can all include a housing and support, and housing and support are detachably connected.On support often
Oil inlet and oil-out are set, the lower end of housing is connected with being equipped with the cylinder thread seal of filter element, the other end of housing to
Stretch to form end in center, end is provided with through hole, for the oil inlet on connection support, is provided with and keeps between end and cylinder
Plate, through hole is again provided with holding plate, to connect the filter chamber in oil inlet and cylinder.Holding plate not only play connection housing and
The effect of cylinder filter chamber, also play a part of sealing oil inlet and oil-out, therefore, the quality of holding plate performance and tightness
Directly affect the job stability of cleaner.
In the existing oil rectifier used, the mechanical oscillation of engine drive oil rectifier vibration, due to holding plate with
Support, housing, cylinder are to be rigidly connected, and mechanical oscillation can cause holding plate to loosen, and then joint gap occur, between connection
The appearance of gap can be such that the through hole on the through hole and holding plate of the end of housing is not on same axis, and oil circuit is changed into bent from straight line
Local permeability phenomenon can occur for line, holding plate junction, because steam turbine oil has corrosivity, particularly added with the vapour for saving finish
Machine oil, these oil oozed out can corrode seal interface, and then cause sealing property to be greatly reduced, and when serious, then oil-feed can occur
The oil of mouth is scurried into oil-out, have impact on the job stability of cleaner.Simultaneously as cleaner needs to change filter core often,
Easily make to loosen in the holding plate that factory fixes through machine, it is this loosening also result in holding plate connection it is unstable, make guarantor
Hold Board position to shift, during engine mechanical oscillation, after this deviation is constantly exaggerated, also results in oil circuit and lead to
Road is obstructed, expands joint gap, causes tightness insufficient, and then Leakage occur.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of elastane, it is main to use
In the holding plate sealing structure of oil rectifier, the first sealing ring can be made long-term by compounding obtained elastane
It is not susceptible to be plastically deformed in extrusion process, enables the stability of the long-term holding structure of the first sealing ring and size, maintain
The sealing function of itself, which thereby enhances the sealing property of holding plate, even if making to be not easy under the long-term Vibration Condition of holding plate
Loosen.
The technical solution adopted by the present invention is as follows：A kind of elastane, the holding plate for oil rectifier seal
Structure, the holding plate are sealedly and fixedly connected at the oil-out of support by nut member, it is characterised in that on holding plate
Through hole is coaxially disposed and by the first seal ring seal contact gap with entering oil hole；Through hole edge on holding plate protrudes to be formed
Through hole boss, the first seal ring set is on through hole boss, and the thickness of the first sealing ring is not less than the height of through hole boss, and first
Polytetrafluoroethylene floor of the sealing ring by elastomeric polyurethane layer and coated on elastic polyurethane layer surface forms, elastane
It is made up of the material of following parts by weight：TPU resin 90-95 parts, wax powder 2-5 parts, aerosil 12-15 parts, cotton fiber 6-8
Part, coupling agent 1-2 parts, antioxidant 0.5-1 parts, levelling agent 0.5-1 parts, dispersant 0.5-1 parts.
In above-mentioned, scurried into prevent the through hole on holding plate and enter the oil of oil hole in installation gap, it is close by first
The sealing function of seal ring, make oil stream can only be via entering oil hole and through hole flows through；In order to prevent in vibration processes, the first sealing
Ring occur relative displacement and influence tightness, the through hole edge on holding plate, which protrudes, to form through hole boss, the first seal ring set in
On through hole boss, and the thickness of the first sealing ring is not less than the height of through hole boss.Through hole and enter oil hole on the same axis
When relative skew occurs, the first sealing ring can be close to through hole and enter the wall of oil hole, and oil inlet passage is placed in all the time
In one sealing ring, and then it ensure that tightness；In order that the first sealing ring has good elasticity and wearability, prevent that first is close
Plastic deformation and bonding corrosion contact surface occurs to early in seal ring, and the first sealing ring is by elastomeric polyurethane layer and coated on the poly- ammonia of elasticity
The polytetrafluoroethylene floor composition on ester layer surface, it is contemplated that the weatherability of elastic polyurethane, while in view of in long-term extrusion process
In easily occur plastic deformation and influence sealing property, elastomeric polyurethane layer employs above-mentioned elastane, in above-mentioned bullet
In property polyurethane material, the addition of organic siliconresin can make TPU resins have the excellent characteristic such as heat-resisting, cold-resistant, make first close
Seal ring can adapt to the working environment of oil rectifier, add the stability of TPU resin matrixes, TPU resin matrixes anti-aging effect
Fruit is good, can greatly improve the combination property using TPU resins as the elastic polyurethane of matrix；Talcum powder can improve TPU resins
The hardness of matrix, the skin-friction coefficient of TPU resins is reduced, makes elastane that there is excellent toughness and stability；
The use of cotton fiber can not only greatly improve the toughness, wearability and tear resistance of elastane, moreover it is possible to make poly- ammonia
Ester body keeps good elasticity in long-term use, and the rate of plastic deformation of polyurethane is greatly reduced, enables polyurethane body
The stability of long-term holding structure and size.
Preferably, the white cotton linter fiber that cotton fiber is obtained by white cotton after roller gin preliminary working is made after disperseing
.
Preferably, TPU resins is the TPU resins after improvement, the TPU resins after the improvement are made by following steps：
Step 1, dimethicone that mass ratio is 26%, 38.5% TPR and 6% linseed oil be placed in turbine stirrer and stirred
Mix well mixed, and mixed liquor be heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to after melting,
It is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, mixed
Liquid；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming.
Preferably, the preparation technology of elastane comprises the following steps：
Step 1, cotton fiber and TPU resins are placed under 50 DEG C of hot blasts and fully dried, contain cotton fiber and the water of TPU resins
Amount is in below 0.06wt%；
Step 2, according to proportioning each component is weighed, TPU resins, wax powder, aerosil, cotton fiber, coupling agent is anti-oxidant
Agent and levelling agent are placed in agitator, are uniformly mixed at 90 DEG C under 600rad/min mixing speed, are then added
Cotton fiber is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, be incubated 2min, then by batch mixing throw into banbury in
Banburying 4-5h at 110-120 DEG C；
It is step 3, the batch mixing tablet press machine obtained after step 2 banburying is compressing.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：The elastic polyurethane of the present invention
Material is mainly used in the holding plate sealing structure of oil rectifier, by compound obtained elastane can make it is first close
Seal ring is not susceptible to be plastically deformed in long-term extrusion process, enables the stabilization of the long-term holding structure of the first sealing ring and size
Performance, the sealing function of itself is maintained, which thereby enhance the sealing property of holding plate, even if making the long-term Vibration Condition of holding plate
Under be not easy to loosen.
Brief description of the drawings
Fig. 1 is a kind of oil rectifier holding plate sealed structural representation of the present invention；
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1；
Fig. 3 is another situation of Fig. 2 structures；
Fig. 4 is the elastic sealing gasket cross-sectional view of the present invention；
Fig. 5 is the sealing ring cross-sectional view of the present invention.
Marked in figure：1 is housing, and 2 be support, and 201 be oil inlet, and 202 be oil-out, and 3 be filter element, and 4 be oil-feed
Through hole, 5 be holding plate, and 501 be through hole, and 6 be nut member, and 7 be annular boss, and 8 be open-ended, and 9 be depressed part, and 10 be close
Component is sealed, 11 be elastic sealing gasket, and 1101 be elastomeric polyurethane layer, and 1102 be polytetrafluoroethylene floor, and 12 be the first sealing ring, 13
It is the collar for through hole boss, 14,1401 be shirt rim, and 15 be gap.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 5, a kind of oil rectifier holding plate sealing structure, including housing 1 and support 2, housing 1
Round barrel cover of the lower seal connection with filter element 3, support 2 are provided with oil inlet 201 and oil-out 202, oil inlet 201
Bottom, the end on the top of housing 1 are provided with into oil hole 4, enter the bottom of oil hole 4, and the top of filter element 3 is provided with holding plate 5,
Holding plate 5 is sealedly and fixedly connected at the oil-out 202 of support 2 by nut member 6, and the middle part of holding plate 5 is provided with threaded
The annular boss 7 of through hole, annular boss 7 are provided with depressed part 9, the energy of depressed part 9 with open-ended 8 sides contacted of housing 1
Enough containment members 10 ordinatedly received for blocking the oil stream between open-ended the 8 of housing 1 and annular boss 7, it is preferable that
Containment member 10 is O-ring seal, and the end face that holding plate 5 contacts with the inner wall of end of housing 1 is provided with elastic sealing gasket 11.
As an improvement ground embodiment, in order to prevent the through hole 501 on holding plate 5 from being scurried into entering the oil of oil hole 4
Install in gap, as shown in Figures 2 and 3, the through hole 501 on holding plate 5 is coaxially disposed and by the first sealing with entering oil hole 4
12 gap in sealing contact of ring.By the sealing function of the first sealing ring 12, make oil stream can only be via entering oil hole 4 and through hole 501
Flow through.
As an improvement ground embodiment, in order to prevent in vibration processes, relative displacement occurs for the first sealing ring 12
And tightness is influenceed, as shown in Fig. 2 the edge of through hole 501 on holding plate 5 protrudes and to form through hole boss 13, the first sealing ring 12
It is placed on through hole boss 13, and the thickness of the first sealing ring 12 is not less than the height of through hole boss 13.Through hole 501 and enter oil hole
4 when occurring relative skew on the same axis, and the first sealing ring 12 can be close to through hole 501 and enter the wall of oil hole 4, and begin
Oil inlet passage is placed in the first sealing ring 12 eventually, and then ensure that tightness.
As an improvement ground embodiment, as shown in figure 3, being provided with the collar 14, the edge of the one end of the collar 14 in through hole 501
Outward flanging forms shirt rim 1401, and shirt rim 1401 is pressed on the end face of through hole boss 13 by the inwall of the end of housing 1.Pass through pressure
The mode of tight set ring 14, even if making through hole wall and entering the wall of oil hole 4 in the case of vibrations, sealing state can be also in,
And then it ensure that tightness.
As an improvement ground embodiment, in order that elastic sealing gasket 11 has good elasticity and wearability, is prevented
Plastic deformation and bonding corrosion contact surface occurs to early in elastic sealing gasket 11, as shown in figure 4, elastic sealing gasket 11 is by the poly- ammonia of elasticity
Ester layer 1101 and polytetrafluoroethylene floor 1102 coated on the surface of elastomeric polyurethane layer 1101 form.
As an improvement ground embodiment, in order that sealing ring 12 has good elasticity and wearability, prevents first
Plastic deformation and bonding corrosion contact surface occurs to early in sealing ring 12, as shown in figure 5, the first sealing ring 12 is by elastomeric polyurethane layer
1101 and the polytetrafluoroethylene floor 1102 coated on the surface of elastomeric polyurethane layer 1101 form.
As an improvement ground embodiment, in order to prevent upper end of the oil stream through holding plate 5 and the sky of nut mating connection
To threaded connection place oil leak occurs for the following current of gap part 15, and the gap 15 that the upper end of holding plate 5 is connected with nut is set
There are the second sealing ring, the gap 15 that upper end of second sealing ring full of holding plate 5 is connected with nut, with sealed airspace
Part 15.
As an improvement ground embodiment, it is contemplated that the weatherability of elastic polyurethane, while in view of being extruded for a long time
During plastic deformation easily occurs and influences sealing property, elastomeric polyurethane layer 1101 use elastane, and elasticity is gathered
Urethane material is made up of the material of following parts by weight：TPU resin 90-95 parts, wax powder 2-5 parts, aerosil 12-15 parts,
Cotton fiber 6-8 parts, coupling agent 1-2 parts, antioxidant 0.5-1 parts, levelling agent 0.5-1 parts, dispersant 0.5-1 parts, cotton fiber by
The white cotton linter fiber obtained after Bai Mianjing roller gin preliminary working is made after disperseing, and TPU resins are the TPU trees after improvement
Fat, the TPU resins after the improvement are made by following steps：
Step 1, dimethicone that mass ratio is 26%, 38.5% TPR and 6% linseed oil be placed in turbine stirrer and stirred
Mix well mixed, and mixed liquor be heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to after melting,
It is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, mixed
Liquid；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming.
Furthermore, it is below the present invention in order to preferably explain and implement the elastane of the present invention
The specific several embodiments of elastane, what deserves to be explained is, following examples are only to explain the present invention, and are not
In order to limit the present invention.
Embodiment one
A kind of elastane, its preparation technology comprise the following steps：
Step 1, manufacture improvement after TPU resins, by mass ratio be 26% dimethicone, 38.5% TPR and 6% flax
Oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organic siliconresin that mass ratio is 7%
160 DEG C are heated to after melting, is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min stirring
Speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming, it is then the TPU resins after being improved by Twin screw extruder extruding pelletization, storage is standby；
Step 3, length is placed under 50 DEG C of hot blasts for the TPU resins after 3-7mm white cotton fiber and improvement and fully dried,
Make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 90 parts of improvement, 5 parts of wax powder, 15 parts of aerosils, 2 parts
VTES coupling agent, 1 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxane leveling agents are placed in
In agitator, it is uniformly mixed under 600rad/min mixing speed in 90 DEG C, then adds 8 parts of white cotton fibers and 1 part
BYK-ATU dispersants are uniformly dispersed with dispersion machine, reduce the temperature of batch mixing to 80 DEG C, are incubated 2min, then batch mixing is thrown to banburying
In machine at 110 DEG C banburying 4h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Embodiment two
A kind of elastane, its preparation technology comprise the following steps：
Step 1, manufacture improvement after TPU resins, by mass ratio be 26% dimethicone, 38.5% TPR and 6% flax
Oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organic siliconresin that mass ratio is 7%
160 DEG C are heated to after melting, is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min stirring
Speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming, it is then the TPU resins after being improved by Twin screw extruder extruding pelletization, storage is standby；
Step 3, length is placed under 50 DEG C of hot blasts for the TPU resins after 3-7mm white cotton fiber and improvement and fully dried,
Make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 90 parts of improvement, 5 parts of wax powder, 12 parts of aerosils, 1 part
VTES coupling agent, 0.5 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxane leveling agents are put
In agitator, be uniformly mixed under 600rad/min mixing speed in 90 DEG C, then add 8 parts of white cotton fibers and
0.5 part of BYK-ATU dispersant is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, be incubated 2min, then by batch mixing throw to
In banbury at 115 DEG C banburying 4h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Embodiment three
A kind of elastane, its preparation technology comprise the following steps：
Step 1, manufacture improvement after TPU resins, by mass ratio be 26% dimethicone, 38.5% TPR and 6% flax
Oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organic siliconresin that mass ratio is 7%
160 DEG C are heated to after melting, is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min stirring
Speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming, it is then the TPU resins after being improved by Twin screw extruder extruding pelletization, storage is standby；
Step 3, length is placed under 50 DEG C of hot blasts for the TPU resins after 3-7mm white cotton fiber and improvement and fully dried,
Make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 92 parts of improvement, 5 parts of wax powder, 13 parts of aerosils, 1 part
VTES coupling agent, 0.5 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxane leveling agents are put
In agitator, it is uniformly mixed under 600rad/min mixing speed in 90 DEG C, then adds 7 parts of white cotton fibers and 1
Part BYK-ATU dispersants are uniformly dispersed with dispersion machine, reduce the temperature of batch mixing to 80 DEG C, are incubated 2min, then batch mixing is thrown to close
In mill at 110 DEG C banburying 5h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Example IV
A kind of elastane, its preparation technology comprise the following steps：
Step 1, manufacture improvement after TPU resins, by mass ratio be 26% dimethicone, 38.5% TPR and 6% flax
Oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organic siliconresin that mass ratio is 7%
160 DEG C are heated to after melting, is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min stirring
Speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming, it is then the TPU resins after being improved by Twin screw extruder extruding pelletization, storage is standby；
Step 3, length is placed under 50 DEG C of hot blasts for the TPU resins after 3-7mm white cotton fiber and improvement and fully dried,
Make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 95 parts of improvement, 2 parts of wax powder, 12 parts of aerosils, 1 part
VTES coupling agent, 0.5 part of antioxidant 168 and 0.5 part of organic-silicon-modified polysiloxane leveling agents
Be placed in agitator, be uniformly mixed under 600rad/min mixing speed in 90 DEG C, then add 6 parts of white cotton fibers and
0.5 part of BYK-ATU dispersant is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, be incubated 2min, then by batch mixing throw to
In banbury at 120 DEG C banburying 4h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
If elastic polyurethane product obtained above is respectively taken into dry sample, tested with testing equipments such as universal testing machines
The main performance of elastane obtains, and the tensile strength of elastane reaches 13MPa, and tearing toughness reaches
23KN/m, ageing resistance reach 8%, and the rate of plastic deformation is minimum to reach 0.27%, have outstanding combination property.（Note：Ageing resistance
It is that the decline percentage for surveying its performance after aging for a week in artificial accelerated aging case obtains, the test of plastic deformation is 1000
Measured after secondary Quick bending）
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of elastane, for the holding plate sealing structure of oil rectifier, the holding plate passes through nut member
It is sealedly and fixedly connected at the oil-out of support, it is characterised in that through hole on holding plate is coaxially disposed and led to entering oil hole
Cross the first seal ring seal contact gap；Through hole edge on holding plate protrudes to form through hole boss, and the first seal ring set is in logical
On the boss of hole, and the thickness of the first sealing ring is not less than the height of through hole boss, and the first sealing ring is by elastomeric polyurethane layer and painting
The polytetrafluoroethylene floor composition of elastic polyurethane layer surface is overlying on, elastane is made up of the material of following parts by weight：
TPU resin 90-95 parts, wax powder 2-5 parts, aerosil 12-15 parts, cotton fiber 6-8 parts, coupling agent 1-2 parts, antioxidant
0.5-1 parts, levelling agent 0.5-1 parts, dispersant 0.5-1 parts.
2. elastane as claimed in claim 1, it is characterised in that cotton fiber is just added by white cotton through roller gin
The white cotton linter fiber obtained after work is made after disperseing.
3. elastane as claimed in claim 1, it is characterised in that TPU resins for improvement after TPU resins, institute
The TPU resins after improvement are stated to be made by following steps：
Step 1, dimethicone that mass ratio is 26%, 38.5% TPR and 6% linseed oil be placed in turbine stirrer and stirred
Mix well mixed, and mixed liquor be heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to after melting,
It is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, mixed
Liquid；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming.
4. elastane as claimed in claim 1, it is characterised in that the preparation technology of elastane includes
Following steps：
Step 1, cotton fiber and TPU resins are placed under 50 DEG C of hot blasts and fully dried, contain cotton fiber and the water of TPU resins
Amount is in below 0.06wt%；
Step 2, according to proportioning each component is weighed, TPU resins, wax powder, aerosil, cotton fiber, coupling agent is anti-oxidant
Agent and levelling agent are placed in agitator, are uniformly mixed at 90 DEG C under 600rad/min mixing speed, are then added
Cotton fiber is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, be incubated 2min, then by batch mixing throw into banbury in
Banburying 4-5h at 110-120 DEG C；
It is step 3, the batch mixing tablet press machine obtained after step 2 banburying is compressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961961.2A CN107882988A (en) | 2016-09-23 | 2016-09-23 | A kind of elastane |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844057.9A CN106321836B (en) | 2016-09-23 | 2016-09-23 | A kind of oil rectifier holding plate sealing structure |
| CN201710961961.2A CN107882988A (en) | 2016-09-23 | 2016-09-23 | A kind of elastane |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610844057.9A Division CN106321836B (en) | 2016-09-23 | 2016-09-23 | A kind of oil rectifier holding plate sealing structure |
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| CN107882988A true CN107882988A (en) | 2018-04-06 |
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| CN201610844057.9A Expired - Fee Related CN106321836B (en) | 2016-09-23 | 2016-09-23 | A kind of oil rectifier holding plate sealing structure |
| CN201710961961.2A Pending CN107882988A (en) | 2016-09-23 | 2016-09-23 | A kind of elastane |
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| CN110725954A (en) * | 2019-11-18 | 2020-01-24 | 广州市阪上橡胶制品有限公司 | Novel hydraulic wear-resistant sealing ring and processing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599314A (en) * | 2008-06-05 | 2009-12-09 | 上海斯瑞聚合体科技有限公司 | A kind of environmentally-friendly flame retardant thermoplastic polyurethane elastomer cable material |
| CN102827490A (en) * | 2012-05-04 | 2012-12-19 | 浦江县鑫平进出口有限公司 | Elastic flexible glue and preparation method thereof |
| CN103483802A (en) * | 2013-09-17 | 2014-01-01 | 安徽科聚新材料有限公司 | Method for preparing high-performance glass fiber-reinforced thermoplastic polyurethane elastomer |
| CN104140666A (en) * | 2014-07-30 | 2014-11-12 | 东莞市吉鑫高分子科技有限公司 | High-abrasion-resistance transparent thermoplastic polyurethane elastomer for ball film and manufacturing method thereof |
| CN104177817A (en) * | 2014-07-30 | 2014-12-03 | 东莞市雄林新材料科技股份有限公司 | High-wear-resistance transparent TPU spherical film and preparation method thereof |
| CN105176059A (en) * | 2015-10-12 | 2015-12-23 | 上海交通大学 | Electro-chemically modified and CF (carbon fiber) reinforced TPU (thermoplastic polyurethane) composite material and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834885A (en) * | 1987-01-16 | 1989-05-30 | Donaldson Company, Inc. | Seal arrangement for fluid filters |
| DE29916082U1 (en) * | 1999-09-14 | 2001-02-08 | Ing. Walter Hengst GmbH & Co KG, 48147 Münster | Liquid filter |
| US20050077231A1 (en) * | 2003-10-14 | 2005-04-14 | Bhardwaj Arun K. | Oil filter gasket with flap |
| CN101081341A (en) * | 2006-05-31 | 2007-12-05 | 蚌埠金威滤清器有限公司 | Spin-on type clarifier final encapsulation structure |
| CN201526400U (en) * | 2009-09-22 | 2010-07-14 | 武汉市澳特玛汽车配件有限责任公司 | Fuel filter |
| CN102877990A (en) * | 2012-09-27 | 2013-01-16 | 蚌埠市昊业滤清器有限公司 | High compression resistance threaded cover plate of filter |
| CN206221655U (en) * | 2016-09-23 | 2017-06-06 | 广西理工职业技术学校 | A kind of oil rectifier holding plate sealing structure |
-
2016
- 2016-09-23 CN CN201610844057.9A patent/CN106321836B/en not_active Expired - Fee Related
- 2016-09-23 CN CN201710961961.2A patent/CN107882988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599314A (en) * | 2008-06-05 | 2009-12-09 | 上海斯瑞聚合体科技有限公司 | A kind of environmentally-friendly flame retardant thermoplastic polyurethane elastomer cable material |
| CN102827490A (en) * | 2012-05-04 | 2012-12-19 | 浦江县鑫平进出口有限公司 | Elastic flexible glue and preparation method thereof |
| CN103483802A (en) * | 2013-09-17 | 2014-01-01 | 安徽科聚新材料有限公司 | Method for preparing high-performance glass fiber-reinforced thermoplastic polyurethane elastomer |
| CN104140666A (en) * | 2014-07-30 | 2014-11-12 | 东莞市吉鑫高分子科技有限公司 | High-abrasion-resistance transparent thermoplastic polyurethane elastomer for ball film and manufacturing method thereof |
| CN104177817A (en) * | 2014-07-30 | 2014-12-03 | 东莞市雄林新材料科技股份有限公司 | High-wear-resistance transparent TPU spherical film and preparation method thereof |
| CN105176059A (en) * | 2015-10-12 | 2015-12-23 | 上海交通大学 | Electro-chemically modified and CF (carbon fiber) reinforced TPU (thermoplastic polyurethane) composite material and preparation method thereof |
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| CN106321836B (en) | 2017-12-12 |
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