CN107337918A - A kind of waterproof instrument rubber seal - Google Patents
A kind of waterproof instrument rubber seal Download PDFInfo
- Publication number
- CN107337918A CN107337918A CN201710634292.8A CN201710634292A CN107337918A CN 107337918 A CN107337918 A CN 107337918A CN 201710634292 A CN201710634292 A CN 201710634292A CN 107337918 A CN107337918 A CN 107337918A
- Authority
- CN
- China
- Prior art keywords
- parts
- calcium carbonate
- weight
- compound
- nano
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of waterproof instrument rubber seal, its raw material includes by weight：60 80 parts of polyurethane rubber, 15 25 parts of polypropylene, 12 parts of crosslinking agent, pre-process 20 40 parts of calcium carbonate, 20 30 parts of nano-calcination-kaolinite, 0.8 1.6 parts of acetic anhydride, 12 parts of dimethyldiethoxysilane, 0.2 0.4 parts of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, 13 parts of epoxidized soybean oil, 24 parts of chlorinated paraffin, 24 parts of zinc stearate, 13 parts of age resistor.Compound of calcium carbonate is prepared using following technique：Water is heated up, addition sulphation enuatrol is uniform under stirring, addition cocinic acid, laurate stirring, adds nano-calcium carbonate and continues to stir, be dehydrated, dry to constant weight, crushes and obtains compound of calcium carbonate.
Description
Technical field
The present invention relates to seal technical field, more particularly to a kind of waterproof instrument rubber seal.
Background technology
Instrument such as ammeter or water meter, every household will use arrive.Instrument due to inside parts it is relatively more,
Repair will be abnormal it is cumbersome and complicated.If being intake in instrument, accuracy of instrument is just influenced whether.With regard to needing to take apart
Repaired, not only workload is big, and instrument service life after maintenance and service behaviour all can be by very big shadows
Ring.Therefore, a kind of good waterproof performance, the instrument elastomeric material of tear-resistant excellent performance how are prepared, turn into needs to solve at present
Technical problem.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of waterproof instrument rubber seal, density
Height, good toughness, water resistance is high, and resistance to tearing can be extremely excellent.
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 60-
80 parts, polypropylene 15-25 parts, crosslinking agent 1-2 parts, pre-process calcium carbonate 20-40 parts, nano-calcination-kaolinite 20-30 parts, acetic acid
Acid anhydride 0.8-1.6 parts, dimethyldiethoxysilane 1-2 parts, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.2-0.4
Part, epoxidized soybean oil 1-3 parts, chlorinated paraffin 2-4 parts, zinc stearate 2-4 parts, age resistor 1-3 parts.
Preferably, compound of calcium carbonate is prepared using following technique：Water is heated up, sulphation oleic acid is added under stirring
Sodium is uniform, adds cocinic acid, laurate stirring, adds nano-calcium carbonate and continue to stir, be dehydrated, dry to constant weight, crush
To compound of calcium carbonate.
Preferably, compound of calcium carbonate is prepared using following technique：70-90 part water is warming up to 80-88 DEG C by weight,
It is uniform that 10-16 part sulphation enuatrols are added under stirring, 2-4 parts cocinic acid, the stirring of 2-4 parts laurate is added, adds
25-35 part nano-calcium carbonates continue to stir, dehydration, dry to constant weight, crushing and obtain compound of calcium carbonate.
Preferably, compound of calcium carbonate is prepared using following technique：70-90 part water is warming up to 80-88 DEG C by weight,
It is uniform that 10-16 part sulphation enuatrols are added under stirring, add 2-4 parts cocinic acid, 2-4 parts laurate stirring 60-
80min, mixing speed 1400-1500r/min, add 25-35 part nano-calcium carbonates and continue to stir 1-2h, dehydration, 120-130
DEG C dry to constant weight, crushing obtains compound of calcium carbonate.
Preferably, crosslinking agent includes by weight：1,1,3,3- tetramethyl peroxide neodecanoic acid butyl ester 0.6-1.2 parts, peroxide
Change diisopropylbenzene (DIPB) 2-4 parts.
Preferably, toughener includes by weight：Acrylonitrile-butadiene-styrene copolymer 2-4 parts, polyimides 1-2
Part.
For the present invention using polyurethane rubber, polypropylene as major ingredient, pretreatment calcium carbonate, nano-calcination-kaolinite are inserts,
1,1,3,3- tetramethyl peroxide neodecanoic acid butyl ester, cumyl peroxide are vulcanizing system, after solidification crosslinking, form high score subnet
Network shape structure, density is high, and water resistance is high, and resistance to tearing can be extremely excellent；And the good dispersion of calcium carbonate is pre-processed, it is not easy
Reunite, sulphation enuatrol can effectively adjust the pore-size distribution of nano-calcium carbonate in its preparation process, and its alkyl chain assigns
The surface characteristic of nano-calcium carbonate hydrophobic oleophilic oil, and negatively charged sulfate ion is mutually exclusive in calcium carbonate surface, enters
One step prevents the reunion between calcium carbonate particle；Pre-process calcium carbonate and acetic anhydride, dimethyldiethoxysilane, isopropyl three
(dioctylphyrophosphoric acid acyloxy) titanate esters compound, and can strengthen the combination degree between other components, hydrophobic and mechanical property is entered
One step strengthens；Polypropylene and pretreatment calcium carbonate mating reaction simultaneously, in effective RPP and rest materials adhesion
In the case of, resistance to tearing can be fabulous, can further with acrylonitrile-butadiene-styrene copolymer, polyimides mating reaction
Effectively strengthen toughness of the present invention, avoid the present invention that brittle failure phenomenon occurs.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 60
Part, polipropene 25 part, 1 part of crosslinking agent, pre-process 40 parts of calcium carbonate, 20 parts of nano-calcination-kaolinite, 1.6 parts of acetic anhydride, diformazan
1 part of base diethoxy silane, 0.4 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, 1 part of epoxidized soybean oil, chlorination
4 parts of paraffin, 2 parts of zinc stearate, 3 parts of age resistor.
Embodiment 2
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 80
Part, 15 parts of polypropylene, 2 parts of crosslinking agent, pre-process 20 parts of calcium carbonate, 30 parts of nano-calcination-kaolinite, 0.8 part of acetic anhydride, diformazan
2 parts of base diethoxy silane, 0.2 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, 3 parts of epoxidized soybean oil, chlorination
2 parts of paraffin, 4 parts of zinc stearate, 1 part of age resistor.
Compound of calcium carbonate is prepared using following technique：Water is heated up, addition sulphation enuatrol is uniform under stirring,
Cocinic acid, laurate stirring are added, nano-calcium carbonate is added and continues to stir, be dehydrated, dries to constant weight, crushing and obtains calcium carbonate
Compound.
Embodiment 3
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 65
Part, 22 parts of polypropylene, 1.2 parts of crosslinking agent, 35 parts of calcium carbonate of pretreatment, 22 parts of nano-calcination-kaolinite, 1.4 parts of acetic anhydride, two
1.2 parts of methyldiethoxysilane, 0.35 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, epoxidized soybean oil 1.5
Part, 3.5 parts of chlorinated paraffin, 2.5 parts of zinc stearate, 2.5 parts of age resistor.
Crosslinking agent includes by weight：1,1,3,3- 0.6 part of tetramethyl peroxide neodecanoic acid butyl ester, cumyl peroxide 4
Part.Toughener includes by weight：2 parts of acrylonitrile-butadiene-styrene copolymer, 2 parts of polyimides.
Compound of calcium carbonate is prepared using following technique：80 parts of water are warming up to 84 DEG C by weight, added under stirring
It is uniform to enter 13 parts of sulphation enuatrols, adds 3 parts of cocinic acids, 3 parts of laurate stirrings, adds 30 parts of nano-calcium carbonates and continue to stir
Mix, be dehydrated, dry to constant weight, crushing and obtain compound of calcium carbonate.
Embodiment 4
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 75
Part, 18 parts of polypropylene, 1.8 parts of crosslinking agent, pre-process 25 parts of calcium carbonate, 28 parts of nano-calcination-kaolinite, 1 part of acetic anhydride, diformazan
1.8 parts of base diethoxy silane, 0.25 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, 2.5 parts of epoxidized soybean oil,
2.5 parts of chlorinated paraffin, 3.5 parts of zinc stearate, 1.5 parts of age resistor.
Crosslinking agent includes by weight：1,1,3,3- 0.9 part of tetramethyl peroxide neodecanoic acid butyl ester, cumyl peroxide 3
Part.Toughener includes by weight：3 parts of acrylonitrile-butadiene-styrene copolymer, 1.5 parts of polyimides.
Compound of calcium carbonate is prepared using following technique：70 parts of water are warming up to 88 DEG C by weight, added under stirring
It is uniform to enter 10 parts of sulphation enuatrols, adds 4 parts of cocinic acids, 2 parts of laurate stirrings 80min, mixing speed 1400r/
Min, add 35 parts of nano-calcium carbonates and continue to stir 1h, dehydration, 130 DEG C of dryings to constant weight, crush and obtain compound of calcium carbonate.
Embodiment 5
A kind of waterproof instrument rubber seal proposed by the present invention, its raw material include by weight：Polyurethane rubber 70
Part, 20 parts of polypropylene, 1.5 parts of crosslinking agent, 30 parts of calcium carbonate of pretreatment, 25 parts of nano-calcination-kaolinite, 1.2 parts of acetic anhydride, two
1.5 parts of methyldiethoxysilane, 0.3 part of isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, 2 parts of epoxidized soybean oil,
3 parts of chlorinated paraffin, 3 parts of zinc stearate, 2 parts of age resistor.
Crosslinking agent includes by weight：1,1,3,3- 1.2 parts of tetramethyl peroxide neodecanoic acid butyl ester, cumyl peroxide 2
Part.Toughener includes by weight：4 parts of acrylonitrile-butadiene-styrene copolymer, 1 part of polyimides.
Compound of calcium carbonate is prepared using following technique：90 parts of water are warming up to 80 DEG C by weight, added under stirring
It is uniform to enter 16 parts of sulphation enuatrols, adds 2 parts of cocinic acids, 4 parts of laurate stirrings 60min, mixing speed 1500r/
Min, add 25 parts of nano-calcium carbonates and continue to stir 2h, dehydration, 120 DEG C of dryings to constant weight, crush and obtain compound of calcium carbonate.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of waterproof instrument rubber seal, it is characterised in that its raw material includes by weight：Polyurethane rubber 60-80
Part, polypropylene 15-25 parts, crosslinking agent 1-2 parts, pre-process calcium carbonate 20-40 parts, nano-calcination-kaolinite 20-30 parts, acetic anhydride
0.8-1.6 parts, dimethyldiethoxysilane 1-2 parts, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters 0.2-0.4
Part, epoxidized soybean oil 1-3 parts, chlorinated paraffin 2-4 parts, zinc stearate 2-4 parts, age resistor 1-3 parts.
2. waterproof instrument rubber seal according to claim 1, it is characterised in that compound of calcium carbonate uses following work
It is prepared by skill：Water is heated up, addition sulphation enuatrol is uniform under stirring, adds cocinic acid, laurate stirring, and addition is received
Rice calcium carbonate continues to stir, and is dehydrated, and dries to constant weight, crushing and obtains compound of calcium carbonate.
3. waterproof instrument rubber seal according to claim 1 or claim 2, it is characterised in that compound of calcium carbonate is using such as
It is prepared by lower technique：70-90 part water is warming up to 80-88 DEG C by weight, 10-16 part sulphation enuatrols are added under stirring
Uniformly, 2-4 parts cocinic acid, the stirring of 2-4 parts laurate are added, 25-35 part nano-calcium carbonates is added and continues to stir, be dehydrated, do
It is dry to constant weight, crushing obtains compound of calcium carbonate.
4. according to any one of the claim 1-3 waterproof instrument rubber seals, it is characterised in that compound of calcium carbonate is adopted
Prepared with following technique：70-90 part water is warming up to 80-88 DEG C by weight, 10-16 part sulfated oils are added under stirring
Sour sodium is uniform, adds 2-4 parts cocinic acid, 2-4 parts laurate stirring 60-80min, mixing speed 1400-1500r/min,
Add 25-35 part nano-calcium carbonates to continue to stir 1-2h, dehydration, 120-130 DEG C of drying to constant weight, it is compound that crushing obtains calcium carbonate
Thing.
5. according to any one of the claim 1-4 waterproof instrument rubber seals, it is characterised in that crosslinking agent is by weight
Including：1,1,3,3- tetramethyl peroxide neodecanoic acid butyl ester 0.6-1.2 parts, cumyl peroxide 2-4 parts.
6. according to any one of the claim 1-5 waterproof instrument rubber seals, it is characterised in that toughener is by weight
Including：Acrylonitrile-butadiene-styrene copolymer 2-4 parts, polyimides 1-2 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710634292.8A CN107337918A (en) | 2017-07-29 | 2017-07-29 | A kind of waterproof instrument rubber seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710634292.8A CN107337918A (en) | 2017-07-29 | 2017-07-29 | A kind of waterproof instrument rubber seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107337918A true CN107337918A (en) | 2017-11-10 |
Family
ID=60217252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710634292.8A Withdrawn CN107337918A (en) | 2017-07-29 | 2017-07-29 | A kind of waterproof instrument rubber seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107337918A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479411A (en) * | 2014-11-25 | 2015-04-01 | 广西华纳新材料科技有限公司 | Surface modification method of special nano calcium carbonate for silicone sealants |
| CN105086302A (en) * | 2015-08-10 | 2015-11-25 | 安徽锦洋氟化学有限公司 | Modified fluororubber sealing gasket used for engine and preparation method of modified fluororubber sealing gasket |
-
2017
- 2017-07-29 CN CN201710634292.8A patent/CN107337918A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479411A (en) * | 2014-11-25 | 2015-04-01 | 广西华纳新材料科技有限公司 | Surface modification method of special nano calcium carbonate for silicone sealants |
| CN105086302A (en) * | 2015-08-10 | 2015-11-25 | 安徽锦洋氟化学有限公司 | Modified fluororubber sealing gasket used for engine and preparation method of modified fluororubber sealing gasket |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9290634B2 (en) | Unvulcanized rubber composition, process for producing same, and pneumatic tire | |
| CN106117825A (en) | A kind of preparation method of ethylene propylene rubber insulated polychloroprene sheathed cable sheath material | |
| CN104610666A (en) | High-performance composite cable jacket material for cables | |
| CN105542397B (en) | A kind of cable connector insulating materials and preparation method thereof | |
| CN105419019A (en) | Rubber damper for automobiles | |
| CN106432991B (en) | A kind of preparation method of fluorubber/nanofiller composites | |
| CN106366384A (en) | High-tenacity power cable sheathing compound | |
| CN105860266A (en) | Communication cable sheath material and preparation method thereof | |
| CN103374156A (en) | High-strength cable sheath material and preparation method thereof | |
| CN107337918A (en) | A kind of waterproof instrument rubber seal | |
| CN108359222A (en) | A kind of preparation method of the insulating materials of for transformer | |
| CN105440365A (en) | Anti-aging damping rubber material | |
| CN107227057A (en) | A kind of building roof waterproofing slurry and preparation method | |
| CN105400014A (en) | Composite rubber material for stretch-proof tires | |
| CN105400013A (en) | High temperature resistance rubber material for vehicles | |
| CN103468016B (en) | A kind of environment-protective rubber material and preparation method thereof | |
| CN109438989A (en) | A kind of organic silicon rubber | |
| CN108948460A (en) | A kind of high strength heat resistant cable sheath material and preparation method thereof | |
| CN107383633A (en) | A kind of automobile LED instrument board seal | |
| CN107189167A (en) | It is a kind of for high-temperature insulation material of power equipment and preparation method thereof | |
| CN103483693B (en) | A kind of electric cable of submersible pump material | |
| CN109251542A (en) | A kind of waterproof roll and preparation method thereof with compared with high-elongation | |
| CN108485010A (en) | A kind of cable material and preparation method thereof that high-low temperature resistant is sun-proof | |
| CN107083069A (en) | A kind of environment-friendly rubber and preparation method thereof | |
| CN107236137A (en) | A kind of rear end assisted atomization rubber wet method compounding process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171110 |