CN106589940A - Sealing material for hydraulic system - Google Patents
Sealing material for hydraulic system Download PDFInfo
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- CN106589940A CN106589940A CN201611225530.1A CN201611225530A CN106589940A CN 106589940 A CN106589940 A CN 106589940A CN 201611225530 A CN201611225530 A CN 201611225530A CN 106589940 A CN106589940 A CN 106589940A
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- parts
- stirring
- washing
- hydraulic system
- modified gelatin
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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
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
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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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a sealing material for a hydraulic system. The sealing material is prepared from, by weight, 40-60 parts of polyimide resin, 20-40 parts of butadiene-acrylonitrile rubber, 0.5-1 part of 4,4'-Dithiomorpholine, 1-2 parts of dialkyl peroxy ketals, 2-4 parts of magnesium oxide, 6-9 parts of zinc oxide, 2-4 parts of an accelerant, 1-2 parts of am anti-aging agent ODA, 5-10 parts of magnesium hydrate, 10-15 parts of calcium carbonate, 2-8 parts of modified gelatin, 1-3 parts of epoxy fatty acid methyl ester, 1-2 parts of polyvinyl alcohol, 2-6 parts of isopropyl alcohol, 2-6 parts of a coupling agent KH-550, 20-40 parts of cocoanut fibers, 5-10 parts of wollastonite, 2-12 parts of calcined kaolin, 5-15 parts of illite powder and 10-20 parts of bentonite. The sealing material is excellent in water resistance, wear resistance and fatigue resistance, good in deformation resistance and long in service life.
Description
Technical field
The present invention relates to technical field of sealing technology, more particularly to a kind of hydraulic system encapsulant.
Background technology
With the fast development of Modern hydraulic drive technology, the sealing problem of hydraulic means is increasingly projected.Existing liquid
Pressure system sealing material is occurring in that using on the aspects such as waterproof, resisting fatigue, service life and equipment use will to some extent
Unconformable phenomenon is sought, reality need far can not have been met, it would be highly desirable to solve.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of hydraulic system encapsulant, waterproof, resistance to
Mill excellent performance, anti-fatigue performance are outstanding, and the performance of resistance to deformation is good, long service life.
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 40-
60 parts, nitrile rubber 20-40 parts, dithio morpholine 0.5-1 parts, dialkyl group peroxy ketal 1-2 parts, magnesium oxide 2-4 parts, oxidation
Zinc 6-9 parts, accelerator 2-4 parts, age resistor ODA 1-2 parts, magnesium hydroxide 5-10 parts, Calcium Carbonate 10-15 part, modified gelatin 2-8
Part, epoxy aliphatic acid methyl ester 1-3 parts, polyvinyl alcohol 1-2 parts, isopropanol 2-6 parts, coupling agent KH-550 2-6 parts, cocoanut fiber
20-40 parts, wollastonite 5-10 parts, calcined kaolin 2-12 parts, illite powder 5-15 part, bentonite 10-20 parts.
Preferably, modified gelatin is prepared using following technique：Glutamic acid is sent into into combined stirring and obtains pre-
System material；By Lignum seu Ramulus Cunninghamiae Lanceolatae, hydrogen peroxide, water stirring, filter, washing, add dehydrated alcohol to carry out ball milling, filter, washing, air-tight state
Heat up, insulation, cooling are filtered, washing adds gelatin, water, heats up, stirring, add carbodiimides, the stirring of prefabricated material, do
Dry, crushing obtains modified gelatin.
Preferably, modified gelatin is prepared using following technique：Glutamic acid is sent into into combined stirring 15-
35min, whipping temp are 60-70 DEG C, obtain prefabricated material；By Lignum seu Ramulus Cunninghamiae Lanceolatae, hydrogen peroxide, water stirring 40-80min, filter, washing,
Add dehydrated alcohol to carry out ball milling 15-35min, filter, washing, air-tight state are warming up to 600-800 DEG C of insulation 20-40min, cold
But, filter, washing adds gelatin, water, be warming up to 65-72 DEG C of stirring 20-50min, add carbodiimides, the stirring of prefabricated material
30-50min, whipping temp are 60-90 DEG C, dry, pulverize and obtain modified gelatin.
Preferably, modified gelatin is prepared using following technique：2-6 parts glutamic acid is sent into into 20-40 part concentration by weight
For the combined stirring 15-35min of 0.5-2mol/L, whipping temp is 60-70 DEG C, obtains prefabricated material；By weight
2-8 part Lignum seu Ramulus Cunninghamiae Lanceolataes, 2-10 part hydrogen peroxide, 40-70 parts water stirring 40-80min are filtered, washing, are added 20-40 parts anhydrous by part
Ethanol carries out ball milling 15-35min, filters, washing, and air-tight state is warming up to 600-800 DEG C of insulation 20-40min, and cooling is filtered,
Washing, add 2-6 part gelatin, 40-60 part water, be warming up to 65-72 DEG C stirring 20-50min, add 0.5-1 part carbodiimides,
The prefabricated material of 2-8 parts stirs 30-50min, and whipping temp is 60-90 DEG C, dry, pulverize and obtains modified gelatin.
Preferably, the weight ratio of polyimide resin and nitrile rubber is 45-55：25-35.
Preferably, dithio morpholine, dialkyl group peroxy ketal, magnesium oxide, Zinc Oxide, the weight ratio of accelerator are 0.6-
0.8：1.2-1.8：2.5-3.5：7-8：2.5-3.5.
Preferably, modified gelatin, epoxy aliphatic acid methyl ester, coupling agent KH-550, cocoanut fiber, wollastonite, calcining kaolinite
Soil, illite powder, bentonitic weight ratio are 4-6：1.5-2.5：3-5：25-35：6-8：4-10：8-12：13-16.
The present invention is obtained using conventional fabrication process.
In the modified gelatin of the present invention, Lignum seu Ramulus Cunninghamiae Lanceolatae after hydrogen oxide, Urea treatment, not only compares with high under certain condition
Surface area, high pore volume, surface are smooth, while surface is rich in active group, and contain great amount of hydroxy group, carboxylic in gelatin molecule structure
Base and amino, add carbodiimides to promote to crosslink between polypeptide and pretreatment Lignum seu Ramulus Cunninghamiae Lanceolatae in gelatin, while glutamic acid also enters one
Amino and carboxyl in step cross-linked gelatin, not only viscosity is good to make modified gelatin, and water proofing property is fabulous, and wearability is good, filling capacity
It is excellent；Coupling agent KH-550 and cocoanut fiber, wollastonite, calcined kaolin, illite powder, bentonite mating reaction, reduce
Elastomeric material strand spatial joint clearance, resistance to deformation, not only anti-wear performance is good, and waterproof, and filling capacity is excellent, then coordinates modified
Gelatin, epoxy aliphatic acid methyl ester effect, can effectively raise anti-fatigue performance of the present invention, and waterproof, wear-resisting and filling capacity enter
One step strengthens, and rebound performance is good.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 40
Part, 40 parts of nitrile rubber, 0.5 part of dithio morpholine, 2 parts of dialkyl group peroxy ketal, 2 parts of magnesium oxide, 9 parts of Zinc Oxide promote
2 parts of agent, 2 parts of age resistor ODA, 5 parts of magnesium hydroxide, 15 parts of Calcium Carbonate, 2 parts of modified gelatin, 3 parts of epoxy aliphatic acid methyl ester, poly- second
1 part of enol, 6 parts of isopropanol, 2 parts of coupling agent KH-550,40 parts of cocoanut fiber, 5 parts of wollastonite, 12 parts of calcined kaolin, Erie
5 parts of stone powder, 20 parts of bentonite.
Embodiment 2
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 60
Part, 20 parts of nitrile rubber, 1 part of dithio morpholine, 1 part of dialkyl group peroxy ketal, 4 parts of magnesium oxide, 6 parts of Zinc Oxide, accelerator 4
Part, 1 part of age resistor ODA, 10 parts of magnesium hydroxide, 10 parts of Calcium Carbonate, 8 parts of modified gelatin, 1 part of epoxy aliphatic acid methyl ester, polyethylene
2 parts of alcohol, 2 parts of isopropanol, 6 parts of coupling agent KH-550,20 parts of cocoanut fiber, 10 parts of wollastonite, 2 parts of calcined kaolin, illite
15 parts of powder, 10 parts of bentonite.
Modified gelatin is prepared using following technique：Glutamic acid is sent into into combined stirring and obtains prefabricated material；Will
Lignum seu Ramulus Cunninghamiae Lanceolatae, hydrogen peroxide, water stirring, filter, washing, add dehydrated alcohol to carry out ball milling, filter, and washing, air-tight state heat up, and protect
Temperature, cooling are filtered, and washing adds gelatin, water, heats up, stirring, are added carbodiimides, the stirring of prefabricated material, be dry, pulverize
To modified gelatin.
Embodiment 3
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 45
Part, 35 parts of nitrile rubber, 0.6 part of dithio morpholine, 1.8 parts of dialkyl group peroxy ketal, 2.5 parts of magnesium oxide, 8 parts of Zinc Oxide,
2.5 parts of accelerator, 1.6 parts of age resistor ODA, 6 parts of magnesium hydroxide, 14 parts of Calcium Carbonate, 4 parts of modified gelatin, epoxy aliphatic acid methyl ester
2.5 parts, 1.3 parts of polyvinyl alcohol, 5 parts of isopropanol, 3 parts of coupling agent KH-550,35 parts of cocoanut fiber, 6 parts of wollastonite, calcining are high
10 parts of ridge soil, 8 parts of illite powder, 16 parts of bentonite.
Modified gelatin is prepared using following technique：Glutamic acid is sent into into combined stirring 25min, whipping temp
For 65 DEG C, prefabricated material is obtained；By Lignum seu Ramulus Cunninghamiae Lanceolatae, hydrogen peroxide, water stirring 60min, filter, washing, add dehydrated alcohol to carry out ball milling
25min, filters, washing, and air-tight state is warming up to 700 DEG C of insulation 30min, and cooling is filtered, and washing adds gelatin, water, heats up
To 70 DEG C of stirring 35min, carbodiimides, prefabricated material stirring 40min are added, whipping temp is 75 DEG C, dry, pulverize and is changed
Property gelatin.
Embodiment 4
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 55
Part, 25 parts of nitrile rubber, 0.8 part of dithio morpholine, 1.2 parts of dialkyl group peroxy ketal, 3.5 parts of magnesium oxide, 7 parts of Zinc Oxide,
3.5 parts of accelerator, 1.2 parts of age resistor ODA, 8 parts of magnesium hydroxide, 12 parts of Calcium Carbonate, 6 parts of modified gelatin, epoxy aliphatic acid methyl ester
1.5 parts, 1.7 parts of polyvinyl alcohol, 3 parts of isopropanol, 5 parts of coupling agent KH-550,25 parts of cocoanut fiber, 8 parts of wollastonite, calcining are high
4 parts of ridge soil, 12 parts of illite powder, 13 parts of bentonite.
Modified gelatin is prepared using following technique：2 parts of glutamic acid are sent into into 40 parts of concentration for 0.5mol/L's by weight
Combined stirs 35min, and whipping temp is 60 DEG C, obtains prefabricated material；By weight by 8 parts of Lignum seu Ramulus Cunninghamiae Lanceolataes, 2 parts of peroxidating
Hydrogen, 70 parts of water stir 40min, filter, washing, add 40 parts of dehydrated alcohol to carry out ball milling 15min, filter, washing, air-tight state
800 DEG C of insulation 20min are warming up to, cooling is filtered, and washing adds 6 parts of gelatin, 40 parts of water, are warming up to 72 DEG C of stirring 20min, plus
Enter 1 part of carbodiimides, 2 parts of prefabricated material and stir 50min, whipping temp is 60 DEG C, dry, pulverize and obtains modified gelatin.
Embodiment 5
A kind of hydraulic system encapsulant proposed by the present invention, its raw material include by weight：Polyimide resin 50
Part, 30 parts of nitrile rubber, 0.7 part of dithio morpholine, 1.5 parts of dialkyl group peroxy ketal, 3 parts of magnesium oxide, 7.5 parts of Zinc Oxide,
3 parts of accelerator, 1.4 parts of age resistor ODA, 7 parts of magnesium hydroxide, 13 parts of Calcium Carbonate, 5 parts of modified gelatin, epoxy aliphatic acid methyl ester 2
Part, 1.5 parts of polyvinyl alcohol, 4 parts of isopropanol, 4 parts of coupling agent KH-550,30 parts of cocoanut fiber, 7 parts of wollastonite, calcined kaolin
7 parts, 10 parts of illite powder, 15 parts of bentonite.
Modified gelatin is prepared using following technique：6 parts of glutamic acid are sent into into salt of 20 parts of concentration for 2mol/L by weight
Aqueous acid mixes 15min, and whipping temp is 70 DEG C, obtains prefabricated material；By weight by 2 parts of Lignum seu Ramulus Cunninghamiae Lanceolataes, 10 parts of peroxidating
Hydrogen, 40 parts of water stir 80min, filter, washing, add 20 parts of dehydrated alcohol to carry out ball milling 35min, filter, washing, air-tight state
600 DEG C of insulation 40min are warming up to, cooling is filtered, and washing adds 2 parts of gelatin, 60 parts of water, are warming up to 65 DEG C of stirring 50min, plus
Enter 0.5 part of carbodiimides, 8 parts of prefabricated material and stir 30min, whipping temp is 90 DEG C, dry, pulverize and obtains modified gelatin.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of hydraulic system encapsulant, it is characterised in that its raw material includes by weight：Polyimide resin 40-60
Part, nitrile rubber 20-40 parts, dithio morpholine 0.5-1 parts, dialkyl group peroxy ketal 1-2 parts, magnesium oxide 2-4 parts, Zinc Oxide
6-9 parts, accelerator 2-4 parts, age resistor ODA 1-2 parts, magnesium hydroxide 5-10 parts, Calcium Carbonate 10-15 part, modified gelatin 2-8 parts,
Epoxy aliphatic acid methyl ester 1-3 parts, polyvinyl alcohol 1-2 parts, isopropanol 2-6 parts, coupling agent KH-550 2-6 parts, cocoanut fiber 20-
40 parts, wollastonite 5-10 parts, calcined kaolin 2-12 parts, illite powder 5-15 part, bentonite 10-20 parts.
2. hydraulic system encapsulant according to claim 1, it is characterised in that modified gelatin is prepared using following technique：
Glutamic acid is sent into into combined stirring and obtains prefabricated material；By Lignum seu Ramulus Cunninghamiae Lanceolatae, hydrogen peroxide, water stirring, filter, washing, plus
Entering dehydrated alcohol carries out ball milling, filters, and washing, air-tight state heat up, insulation, and cooling is filtered, and washing adds gelatin, water, rises
Temperature, stirring add carbodiimides, the stirring of prefabricated material, dry, pulverize and obtain modified gelatin.
3. hydraulic system encapsulant according to claim 1 or claim 2, it is characterised in that modified gelatin adopts following technique system
It is standby：Glutamic acid is sent into into combined stirring 15-35min, whipping temp is 60-70 DEG C, obtains prefabricated material；By China fir
Wood, hydrogen peroxide, water stirring 40-80min, filter, washing, add dehydrated alcohol to carry out ball milling 15-35min, filter, washing,
Air-tight state is warming up to 600-800 DEG C of insulation 20-40min, and cooling is filtered, and washing adds gelatin, water, is warming up to 65-72 DEG C
Stirring 20-50min, adds carbodiimides, prefabricated material stirring 30-50min, and whipping temp is 60-90 DEG C, be dry, pulverize
To modified gelatin.
4. the hydraulic system encapsulant according to any one of claim 1-3, it is characterised in that modified gelatin adopts following work
It is prepared by skill：2-6 parts glutamic acid is sent into the combined that 20-40 parts concentration is 0.5-2mol/L by weight to stir
15-35min, whipping temp are 60-70 DEG C, obtain prefabricated material；By weight by 2-8 part Lignum seu Ramulus Cunninghamiae Lanceolataes, 2-10 part hydrogen peroxide, 40-
70 parts of water stir 40-80min, filter, washing, add 20-40 parts dehydrated alcohol to carry out ball milling 15-35min, filter, and washing is close
Closed state is warming up to 600-800 DEG C of insulation 20-40min, and cooling is filtered, and washing adds 2-6 part gelatin, 40-60 part water, heats up
To 65-72 DEG C of stirring 20-50min, the prefabricated material of 0.5-1 part carbodiimides, 2-8 parts is added to stir 30-50min, whipping temp
For 60-90 DEG C, dry, pulverize and obtain modified gelatin.
5. the hydraulic system encapsulant according to any one of claim 1-4, it is characterised in that polyimide resin and butyronitrile
The weight ratio of rubber is 45-55：25-35.
6. the hydraulic system encapsulant according to any one of claim 1-5, it is characterised in that dithio morpholine, dioxane
Base peroxy ketal, magnesium oxide, Zinc Oxide, the weight ratio of accelerator are 0.6-0.8：1.2-1.8：2.5-3.5：7-8：2.5-3.5.
7. the hydraulic system encapsulant according to any one of claim 1-6, it is characterised in that modified gelatin, epoxidised fatty
Sour methyl ester, coupling agent KH-550, cocoanut fiber, wollastonite, calcined kaolin, illite powder, bentonitic weight ratio are 4-6：
1.5-2.5：3-5：25-35：6-8：4-10：8-12：13-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225530.1A CN106589940A (en) | 2016-12-27 | 2016-12-27 | Sealing material for hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225530.1A CN106589940A (en) | 2016-12-27 | 2016-12-27 | Sealing material for hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106589940A true CN106589940A (en) | 2017-04-26 |
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ID=58604338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611225530.1A Pending CN106589940A (en) | 2016-12-27 | 2016-12-27 | Sealing material for hydraulic system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106589940A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319819A (en) * | 2013-05-27 | 2013-09-25 | 镇江春环密封件集团有限公司 | Rubber sealing member |
-
2016
- 2016-12-27 CN CN201611225530.1A patent/CN106589940A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319819A (en) * | 2013-05-27 | 2013-09-25 | 镇江春环密封件集团有限公司 | Rubber sealing member |
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Application publication date: 20170426 |
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