CN106519687A - Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof - Google Patents
Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof Download PDFInfo
- Publication number
- CN106519687A CN106519687A CN201610962841.XA CN201610962841A CN106519687A CN 106519687 A CN106519687 A CN 106519687A CN 201610962841 A CN201610962841 A CN 201610962841A CN 106519687 A CN106519687 A CN 106519687A
- Authority
- CN
- China
- Prior art keywords
- weight
- component
- sealant
- accounts
- graphene oxide
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention belongs to the technical field of materials, and relates to a low-density graphene-containing polythioether sealant as well as preparation and use methods thereof. The sealant is composed of a component A and a component B, wherein the weight ratio of the component A to the component B is (10 to 12): 1. According to the room-temperature-vulcanization double-component polythioether sealant as well as the preparation and use methods thereof, which are disclosed by the invention, modified graphene oxide has a large shape coefficient ratio and higher barrier property than a common spherical filler, thus the sealant is enabled to obtain higher air tightness and medium resistance; the compatibility between the modified graphene oxide and a polythioether rubber is improved through grafting a long-chain alkyl group on the surface of the graphene oxide, thus the sealant is higher in mechanical property and ageing resistance; and the sealant has a density of lower than 1.0g/cm<3>, is high in air tightness, mechanical property and ageing resistance, and meets the requirements of high reliability and long life of aircraft sealing. The density of the sealant is reduced by 30%, the mechanical property is not remarkably reduced, and the air tightness is increased by more than 10%.
Description
Technical field
The invention belongs to field of material technology, is related to a kind of low-density graphene-containing polythiaether sealant and its prepares and make
Use method.
Background technology
, used as one of maximum nonmetallic materials of consumption on aircraft, every frame machine consumption is at hundreds of kilogram for aerospace seal agent material
More than, it is widely used in the sealing at the positions such as fuselage, integral tank and lid.Sealant material is finished once constructing, and repairs journey
Sequence is loaded down with trivial details, and many positions need and the whole machine same longevity, therefore the airtight quality to sealant material and durability need proposition higher
Requirement.Liquid polysulfide rubber is the sealant base rubber for commonly using at present, and the kind possesses good oil resistivity, low
Gas, weatherability and resistant to chemical media, shock resistance, anti-vibration have good cementability to metal and the surface such as nonmetallic
Energy.The density of sealant material is reduced generally by adding low density filler in liquid polysulfide rubber, weight loss effect is reached.
But the properties of the sealant material after sulfuration excessively can be significantly lost in low density filler addition, it is therefore desirable to coordinate high-performance
Filler is improving the combination property of sealant.Meanwhile, in thiorubber. strand easily there is fracture in cystine linkage under the high temperature conditions,
Sealant thermal level is relatively low.
The content of the invention
The present invention seeks to：Propose the room temperature vulcanization bi-component polysulfide ether that a kind of airtight quality and endurance quality are improved
Sealant and its preparation and application.
The technical scheme is that：
Sealant is made up of first and second liang of components, and the weight ratio of first component and second component is 10～12：1；First component is comprising poly-
Thioether rubber, coupling agent, low density filler, modified graphene oxide, reinforcing agent and viscosifier；The weight of coupling agent accounts for polythiaether
The 0.01%～0.1% of rubber weight；The weight of low density filler accounts for the 5%～15% of polythioether rubber weight；It is modified oxidized
The weight of Graphene accounts for the 3%～10% of polythioether rubber weight；The weight of reinforcing agent account for polythioether rubber weight 1%～
20%；The weight of viscosifier accounts for the 0.05%～0.3% of polythioether rubber weight；
Polythioether rubber is that sulfydryl blocks liquid polysulfide ether rubber, and molecular formula is：HS-R1-S-[CH2-CH(R2)-S-R1-
S]n- H, wherein, R1=-[(- CH2-)a-O-]b-(CH2)c-；A=1～6；B=1～6；C=1～8.R2=-R3- SH, R3=
C3-10Branched positive alkylidene, n is 1～50 integer, number-average molecular weight 4000～6000, sulfhydryl content 1.5%～
3%；
Coupling agent is silane coupling agent；Low density filler is organic tiny balloon, and the particle diameter of low density filler is nanometer
Or micron order, apparent density≤1.3g/cm3；Modified graphene oxide is the Hummers methods preparation in surface grafting chain alkyl
Graphene oxide, modified graphene oxide size is nanoscale and micron order；Reinforcing agent is white carbon black or white carbon；Viscosifier are
Epoxy resin or silanes viscosifier；
Second component includes manganese dioxide, plasticizer, accelerator and vulcanization retarder；The weight of plasticizer accounts for manganese dioxide weight
The 80%～120% of amount；The weight of accelerator accounts for the 2%～5% of manganese dioxide weight；The weight of vulcanization retarder accounts for titanium dioxide
The 3%～5% of manganese weight；Plasticizer is esters, hydrogenated terphenyl or chlorinated paraffin；Vulcanization accelerator is diphenylguanidine, curing
The mixture of a kind of material or several materials in tetra methylthiuram, zinc dibutyl dithiocarbamate；Vulcanization retarder
For stearic acid compound.
The step of preparing the method for room temperature vulcanization bi-component polysulfide ether sealant is as follows：
2.1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF, ultrasonic Treatment at least 2 hours, add chain alkyl
Amine and catalyst DCC, at a temperature of 90 DEG C lead to nitrogen reflux and stir at least 48 hours, reactant liquor is taken out after reaction terminating
Filter, after excess ethyl alcohol rinses product repeatedly, vacuum drying oven is dried, and obtains the modified graphene oxide of chain alkyl grafting；
2.2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 1%～10% is obtained, will
During low density filler adds silane coupling agent solution, at least 1h is stirred, low density filler is coupled with silanes by filtering
Agent solution is separated, and low density filler is put into oven for drying；
2.3rd, prepare first component：
2.3.1, various raw materials are weighed in proportion；
2.3.2, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, modified oxygen is added
Graphite alkene, carries out ultrasound wave dispersion at least 8h, obtains intermediate product；
2.3.3, mix：Intermediate product is put in planetary mixer, other raw material stirring at least 1h is added, sealing is formed
Agent first component；
2.4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring at least 1h in planetary mixer, are formed sealing
Agent second component.
The using method of room temperature vulcanization bi-component polysulfide ether sealant is to adopt the first component for weighing in proportion and second component
Hybrid mode mixing 3min～5min by hand, coats fluid sealant at by sealing in 3h, coating thickness be 2mm～
10mm, then, room temperature vulcanization, cure time are 3～7 days.
Also include filler, plasticizer and stabilizer in described first component, the weight of filler accounts for first composition weight
5%～30%；The weight of plasticizer accounts for the 5%～30% of first composition weight；The weight of stabilizer accounts for the 0.1% of first composition weight
～0.5%；Filler is Calcium Carbonate and/or titanium dioxide class material；Calcium Carbonate is precipitated calcium carbonate or lightweight active form carbonic acid
Calcium, particle diameter is at 0.5 μm～6 μm；Titanium dioxide is rutile-type or anatase titanium dioxide；Plasticizer is dibutyl phthalate, adjacent benzene
Dioctyl phthalate butyl benzyl or ethyl acetate；Stabilizer is stearic acid compound.
The present invention is had the advantage that with beneficial effect：A kind of room temperature vulcanization bi-component polysulfide ether sealing proposed by the present invention
Agent and its preparation and application, wherein modified graphene oxide possess larger form factor ratio, with filling out than conventional ball
Expect more preferable barrier property, sealant can be made to obtain more preferable air-tightness and medium-resistance；Connect in surface of graphene oxide
Branch chain alkyl, improves the compatibility of modified graphene oxide and polythioether rubber, so that sealant possesses more preferable power
Learn performance and ageing-resistant performance；This sealant density is less than 1.0g/cm3, with good air-tightness, mechanical property and ageing-resistant
Performance, meets the highly reliable and long life requirement of aircraft sealing.Embodiments of the invention, testing by contrast proves, sealant
Density reduce by 30%, without significantly reducing, air-tightness improves more than 10% to mechanical property.
Specific embodiment
Below the present invention is described in further details.First component in room temperature vulcanization bi-component polysulfide ether sealant is included
Polythioether rubber, coupling agent, low density filler, modified graphene oxide, reinforcing agent and viscosifier；The weight of coupling agent accounts for polysulfide
The 0.01%～0.1% of ether rubber weight；The weight of low density filler accounts for the 5%～15% of polythioether rubber weight；Modified oxygen
The weight of graphite alkene accounts for the 3%～10% of polythioether rubber weight；The weight of reinforcing agent account for polythioether rubber weight 1%～
20%；The weight of viscosifier accounts for the 0.05%～0.3% of polythioether rubber weight；
Polythioether rubber is that sulfydryl blocks liquid polysulfide ether rubber, and molecular formula is：HS-R1-S-[CH2-CH(R2)-S-R1-
S]n- H, wherein, R1=-[(- CH2-)a-O-]b-(CH2)c-；A=1～6；B=1～6；C=1～8.R2=-R3- SH, R3=
C3-10Branched positive alkylidene, n is 1～50 integer, number-average molecular weight 4000～6000, sulfhydryl content 1.5%～
3%；
Coupling agent is silane coupling agent；Low density filler is organic tiny balloon, and the particle diameter of low density filler is nanometer
Or micron order, apparent density≤1.3g/cm3；Modified graphene oxide is the Hummers methods preparation in surface grafting chain alkyl
Graphene oxide, modified graphene oxide size is nanoscale and micron order；Reinforcing agent is white carbon black or white carbon；Viscosifier are
Epoxy resin or silanes viscosifier；
Second component includes manganese dioxide, plasticizer, accelerator and vulcanization retarder；The weight of plasticizer accounts for manganese dioxide weight
The 80%～120% of amount；The weight of accelerator accounts for the 2%～5% of manganese dioxide weight；The weight of vulcanization retarder accounts for titanium dioxide
The 3%～5% of manganese weight；Plasticizer is esters, hydrogenated terphenyl or chlorinated paraffin；Vulcanization accelerator is diphenylguanidine, curing
The mixture of a kind of material or several materials in tetra methylthiuram, zinc dibutyl dithiocarbamate；Vulcanization retarder
For stearic acid compound.
The step of preparation method of room temperature vulcanization bi-component polysulfide ether sealant as described above, its preparation, is as follows：
1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF (dimethylformamide), ultrasonic Treatment at least 2 is little
When, add chain alkyl amine and catalyst DCC (dicyclohexylcarbodiimide).Lead at a temperature of 90 DEG C nitrogen reflux stir to
It is few 48 hours.Sucking filtration is carried out after reaction terminating to reactant liquor, vacuum drying oven is dried after excess ethyl alcohol rinses product repeatedly, is grown
The modified graphene oxide of alkyl group grafting；
2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 1%～10% is obtained, will
During low density filler adds silane coupling agent solution, at least 1h is stirred, low density filler is coupled with silanes by filtering
Agent solution is separated, and low density filler is put into oven for drying；
3rd, prepare first component：
3.1st, various raw materials are weighed in proportion；
3.2nd, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, is added modified oxidized
Graphene, carries out ultrasound wave dispersion at least 8h, obtains intermediate product；
3.3rd, mix：Intermediate product is put in planetary mixer, other raw material stirring at least 1h is added, sealant is formed
First component；
4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring at least 1h in planetary mixer, are formed sealant
Second component.
The using method of room temperature vulcanization bi-component polysulfide ether sealant as described above is, by the first group for weighing in proportion
Divide and second component mixes 3min～5min using manual mixing mode, coat fluid sealant, coating thickness in 3h at by sealing
Spend for 2mm～10mm, then, room temperature vulcanization, cure time are 3～7 days.
Also include filler, plasticizer and stabilizer in described first component.The weight of filler accounts for first composition weight
5%～30%；The weight of plasticizer accounts for the 5%～30% of first composition weight；The weight of stabilizer accounts for the 0.1% of first composition weight
～0.5%；Filler is Calcium Carbonate and/or titanium dioxide class material；Calcium Carbonate is precipitated calcium carbonate or lightweight active form carbonic acid
Calcium, particle diameter is at 0.5 μm～6 μm；Titanium dioxide is rutile-type or anatase titanium dioxide；Plasticizer is dibutyl phthalate, adjacent benzene
Dioctyl phthalate butyl benzyl or ethyl acetate；Stabilizer is stearic acid compound.The Main Function of filler and plasticizer is to adjust
First compositional viscosity, the content of filler are more, and viscosity is bigger；The content of plasticizer is more, and viscosity is less.By adjusting filler
With the content of plasticizer, the viscosity of first component can be adjusted, to adapt to the needs of different use occasions.Stabilizer can be improved
The bin stability of first component so as within the shelf-life keep character homogeneous, without skinning.
Embodiment 1
1st, formula composition
2nd, prepare：
2.1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF, ultrasonic Treatment 2 hours, add octadecylamine and
Catalyst DCC.Lead to nitrogen reflux at a temperature of 90 DEG C to stir 48 hours.Sucking filtration, mistake are carried out to reactant liquor after reaction terminating
After amount ethanol rinses product repeatedly, vacuum drying oven is dried, and obtains octadecyl modified graphene oxide；
2.2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 5% is obtained, by low-density
During filler adds silane coupling agent solution, at least 1h is stirred, by filtering low density filler and silane coupling agent solution
Separate, low density filler is put into into oven for drying；
2.3rd, prepare first component：
2.3.1, various raw materials are weighed in proportion；
2.3.2, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, octadecane is added
Base modified graphene oxide, carries out ultrasound wave dispersion 10h, obtains intermediate product；
2.3.3, mix：Intermediate product is put in planetary mixer, other raw material stirring 1.5h are added, sealant is formed
First component；
2.4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring 1.5h in planetary mixer, are formed sealant
Second component.
3rd, performance：
4th, use：
The first component for weighing in proportion and second component are mixed into 5min using manual mixing mode, coating is close at by sealing
Sealing, coating thickness are 8mm, and room temperature vulcanization, cure time are 7 days.
Embodiment 2：
1st, formula composition：
2nd, prepare：
2.1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF, ultrasonic Treatment 2.5 hours, add lauryl amine
With catalyst DCC.Lead to nitrogen reflux at a temperature of 90 DEG C to stir 48 hours.Sucking filtration, mistake are carried out to reactant liquor after reaction terminating
After amount ethanol rinses product repeatedly, vacuum drying oven is dried, and obtains dodecyl modified graphene oxide；
2.2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 8% is obtained, by low-density
During filler adds silane coupling agent solution, 1.5h is stirred, by filtering low density filler and silane coupling agent solution point
From low density filler is put into oven for drying；
2.3rd, prepare first component：
2.3.1, various raw materials are weighed in proportion；
2.3.2, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, dodecane is added
Base modified graphene oxide, carries out ultrasound wave dispersion 10h, obtains intermediate product；
2.3.3, mix：Intermediate product is put in planetary mixer, other raw material stirring 1.5h are added, sealant is formed
First component；
2.4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring 1.5h in planetary mixer, are formed sealant
Second component.
3rd, performance：
4th, use：
The first component for weighing in proportion and second component are mixed into 5min using manual mixing mode, coating is close at by sealing
Sealing, coating thickness are 5mm, and room temperature vulcanization, cure time are 5 days.
Example 3：
1st, formula composition：
2nd, prepare：
2.1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF, ultrasonic Treatment 1.5 hours, add octadecylamine
With catalyst DCC.Lead to nitrogen reflux at a temperature of 90 DEG C to stir 60 hours.Sucking filtration, mistake are carried out to reactant liquor after reaction terminating
After amount ethanol rinses product repeatedly, vacuum drying oven is dried, and obtains octadecyl modified graphene oxide；
2.2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 8% is obtained, by low-density
During filler adds silane coupling agent solution, 1.5h is stirred, by filtering low density filler and silane coupling agent solution point
From low density filler is put into oven for drying；
2.3rd, prepare first component：
2.3.1, various raw materials are weighed in proportion；
2.3.2, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, octadecane is added
Base modified graphene oxide, carries out ultrasound wave dispersion 10h, obtains intermediate product；
2.3.3, mix：Intermediate product is put in planetary mixer, other raw material stirring 1.5h are added, sealant is formed
First component；
2.4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring 1.5h in planetary mixer, are formed sealant
Second component.
3rd, performance：
4th, use：
The first component for weighing in proportion and second component are mixed into 5min using manual mixing mode, coating is close at by sealing
Sealing, coating thickness are 2mm, and room temperature vulcanization, cure time are 4 days.
Claims (4)
1. a kind of room temperature vulcanization bi-component polysulfide ether sealant, it is characterised in that sealant is made up of first and second liang of components, first component
Weight ratio with second component is 10～12：1；First component includes polythioether rubber, coupling agent, low density filler, modified oxidized stone
Black alkene, reinforcing agent and viscosifier；The weight of coupling agent accounts for the 0.01%～0.1% of polythioether rubber weight；Low density filler
Weight accounts for the 5%～15% of polythioether rubber weight；The weight of modified graphene oxide account for polythioether rubber weight 3%～
10%；The weight of reinforcing agent accounts for the 1%～20% of polythioether rubber weight；The weight of viscosifier accounts for polythioether rubber weight
0.05%～0.3%；
Polythioether rubber is that sulfydryl blocks liquid polysulfide ether rubber, and molecular formula is：HS-R1-S-[CH2-CH(R2)-S-R1-S]n- H,
Wherein, R1=-[(- CH2-)a-O-]b-(CH2)c-；A=1～6；B=1～6；C=1～8.R2=-R3- SH, R3=C3-10
The positive alkylidene changed, n is 1～50 integer, number-average molecular weight 4000～6000, sulfhydryl content 1.5%～3%；
Coupling agent is silane coupling agent；Low density filler is organic tiny balloon, and the particle diameter of low density filler is nanometer or micro-
Meter level, apparent density≤1.3g/cm3；Modified graphene oxide is the oxygen of the Hummers methods preparation in surface grafting chain alkyl
Graphite alkene, modified graphene size are nanoscale and micron order；Reinforcing agent is white carbon black or white carbon；Viscosifier are epoxy resin
Class or silanes viscosifier；
Second component includes manganese dioxide, plasticizer, accelerator and vulcanization retarder；The weight of plasticizer accounts for manganese dioxide weight
80%～120%；The weight of accelerator accounts for the 2%～5% of manganese dioxide weight；The weight of vulcanization retarder accounts for manganese dioxide weight
The 3%～5% of amount；Plasticizer is esters, hydrogenated terphenyl or chlorinated paraffin；Vulcanization accelerator is diphenylguanidine, curing tetramethyl
The mixture of a kind of material or several materials in base thiuram, zinc dibutyl dithiocarbamate；Vulcanization retarder is hard
Fat acid compounds.
2. a kind of method of the room temperature vulcanization bi-component polysulfide ether sealant prepared described in claim 1, it is characterised in that prepare
The step of it is as follows：
2.1st, prepared by modified graphene oxide：
Take graphene oxide powder to be sufficiently stirred for being scattered in DMF, ultrasonic Treatment at least 2 hours, add chain alkyl amine and
Catalyst DCC, at a temperature of 90 DEG C leads to nitrogen reflux and stirs at least 48 hours, carry out sucking filtration to reactant liquor after reaction terminating,
After excess ethyl alcohol rinses product repeatedly, vacuum drying oven is dried, and obtains the modified graphene oxide of chain alkyl grafting；
2.2nd, low density filler surface treatment：
Silane coupling agent is dissolved in dehydrated alcohol, the silane coupling agent solution that concentration is 1%～10% is obtained, will be low close
During degree filler adds silane coupling agent solution, at least 1h is stirred, it is low density filler is molten with silane coupling agent by filtering
Liquid is separated, and low density filler is put into oven for drying；
2.3rd, prepare first component：
2.3.1, various raw materials are weighed in proportion；
2.3.2, ultrasonic disperse：Sulfydryl end-blocking liquid polysulfide ether rubber is put in ultrasonic disperse equipment, modified oxidized stone is added
Black alkene, carries out ultrasound wave dispersion at least 8h, obtains intermediate product；
2.3.3, mix：Intermediate product is put in planetary mixer, other raw material stirring at least 1h is added, sealant first is formed
Component；
2.4th, prepare second component：Various raw materials are weighed in proportion, are put into stirring at least 1h in planetary mixer, are formed sealant second
Component.
3. the using method of the room temperature vulcanization bi-component polysulfide ether sealant described in claim 1, it is characterised in that：Will in proportion
The first component for weighing and second component mix 3min～5min using manual mixing mode, the coating sealing at by sealing in 3h
Glue, coating thickness are 2mm～10mm, and then, room temperature vulcanization, cure time are 3～7 days.
4. room temperature vulcanization bi-component polysulfide ether sealant as claimed in claim 1, it is characterised in that：In described first component also
Including filler, plasticizer and stabilizer, the weight of filler accounts for the 5%～30% of first composition weight；The weight of plasticizer is accounted for
The 5%～30% of first composition weight；The weight of stabilizer accounts for the 0.1%～0.5% of first composition weight；Filler is Calcium Carbonate
And/or titanium dioxide class material；Calcium Carbonate is precipitated calcium carbonate or lightweight active form Calcium Carbonate, and particle diameter is at 0.5 μm～6 μm；Two
Titanium oxide is rutile-type or anatase titanium dioxide；Plasticizer is dibutyl phthalate, BBP(Butyl Benzyl Phthalate or ethyl acetate；
Stabilizer is stearic acid compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962841.XA CN106519687A (en) | 2016-11-04 | 2016-11-04 | Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962841.XA CN106519687A (en) | 2016-11-04 | 2016-11-04 | Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106519687A true CN106519687A (en) | 2017-03-22 |
Family
ID=58326972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610962841.XA Pending CN106519687A (en) | 2016-11-04 | 2016-11-04 | Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106519687A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865049A (en) * | 2018-07-19 | 2018-11-23 | 芜湖青悠静谧环保科技有限公司 | A kind of preparation method of modified polysulfide sealant |
| CN110869445A (en) * | 2017-07-07 | 2020-03-06 | Prc-迪索托国际公司 | Hydraulic fluid and fuel resistant sealant |
| CN112375536A (en) * | 2020-11-25 | 2021-02-19 | 郑州中原思蓝德高科股份有限公司 | Waterproof elastic sealing material |
| CN117819864A (en) * | 2024-03-04 | 2024-04-05 | 四川蜀道建筑科技有限公司 | Polycarboxylic acid high-performance water reducer |
| CN117819864B (en) * | 2024-03-04 | 2024-05-14 | 四川蜀道建筑科技有限公司 | Polycarboxylic acid high-performance water reducer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923156A (en) * | 2015-05-20 | 2015-09-23 | 东华大学 | Carbon-base loaded adsorbent for removing heavy metal in wastewater and preparation and use thereof |
| CN105385406A (en) * | 2015-12-08 | 2016-03-09 | 中国航空工业集团公司北京航空材料研究院 | Room temperature vulcanized dual-component polythioether sealant, preparation method and application method thereof |
-
2016
- 2016-11-04 CN CN201610962841.XA patent/CN106519687A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923156A (en) * | 2015-05-20 | 2015-09-23 | 东华大学 | Carbon-base loaded adsorbent for removing heavy metal in wastewater and preparation and use thereof |
| CN105385406A (en) * | 2015-12-08 | 2016-03-09 | 中国航空工业集团公司北京航空材料研究院 | Room temperature vulcanized dual-component polythioether sealant, preparation method and application method thereof |
Non-Patent Citations (4)
| Title |
|---|
| A.M. SHANMUGHARAJ等: "Synthesis, characterization, and surface wettability properties of amine functionalized graphene oxide films with varying amine chain lengths", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
| IZZUDDIN ZAMAN等: "A Facile Approach to Chemically Modifi ed Graphene and its Polymer Nanocomposites", 《ADV. FUNCT. MATER.》 * |
| XUYU YANG等: "Synthesis and characterization of alkylamine-functionalized graphene for polyolefin-based nanocomposites", 《APPLIED SURFACE SCIENCE》 * |
| 滕晓波: "氧化石墨烯改性聚硫密封胶性能的研究", 《万方数据库》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110869445A (en) * | 2017-07-07 | 2020-03-06 | Prc-迪索托国际公司 | Hydraulic fluid and fuel resistant sealant |
| CN110869445B (en) * | 2017-07-07 | 2022-10-14 | Prc-迪索托国际公司 | Hydraulic fluid and fuel resistant sealant |
| CN108865049A (en) * | 2018-07-19 | 2018-11-23 | 芜湖青悠静谧环保科技有限公司 | A kind of preparation method of modified polysulfide sealant |
| CN112375536A (en) * | 2020-11-25 | 2021-02-19 | 郑州中原思蓝德高科股份有限公司 | Waterproof elastic sealing material |
| CN112375536B (en) * | 2020-11-25 | 2021-08-20 | 郑州中原思蓝德高科股份有限公司 | Waterproof elastic sealing material |
| CN117819864A (en) * | 2024-03-04 | 2024-04-05 | 四川蜀道建筑科技有限公司 | Polycarboxylic acid high-performance water reducer |
| CN117819864B (en) * | 2024-03-04 | 2024-05-14 | 四川蜀道建筑科技有限公司 | Polycarboxylic acid high-performance water reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105385406B (en) | A kind of room temperature vulcanization bi-component polysulfide ether sealant, its preparation and application | |
| CN104558708B (en) | Multifunctional rubber vulcanizate containing polyvinyl pyrrolidone modified graphene oxide and preparation method thereof | |
| JP4842840B2 (en) | Use of pretreated precipitated silica as a reinforcing filler for silicone elastomers, and curable silicone elastomer compositions obtained by ambient mixing | |
| CN106519687A (en) | Low-density graphene-containing polythioether sealant as well as preparation and use methods thereof | |
| CN102604282A (en) | Preparing method of PTFE (polytetrafluoroethylene) composite material filled with nano particles | |
| CN104558724B (en) | A kind of preparation method of high-performance water Talcum/silicon dioxide/rubber nano composite material | |
| CN103497437B (en) | Light high-strength brominated butyl rubber airtight material and preparation method and application thereof | |
| CN104045868B (en) | A kind of preparation method of nano-cerium oxide/native rubber composite material | |
| CN101735466A (en) | Method for preparing rubber composite by high-pressure mixing equipment and application thereof | |
| CN106554513B (en) | Nanocomposite and preparation method thereof and rubber composition and vulcanized rubber and their application | |
| WO2013150888A1 (en) | Manganese dioxide and curable composition containing same | |
| CN107384083A (en) | Wear-resisting type emulsion paint | |
| CN110760102A (en) | Shear thickening fluid/bacterial cellulose-silicon dioxide composite material and preparation method thereof | |
| CN113684003B (en) | Two-component room temperature vulcanized silicone rubber composition | |
| CN106280789B (en) | Double-component silicon-acrylic anti-cracking waterproof coating and preparation method thereof | |
| CN1036027A (en) | Water soluble chlorosulphonated polyethylene anti-corrosion coating | |
| CN106496658B (en) | A kind of natural rubber and preparation method thereof of superfined flyash filling | |
| CN1332208A (en) | Composite hollow microbead material and its prepn | |
| CN110105834A (en) | A kind of water soluble acrylic acid bitumastic and its preparation process | |
| CN114214048B (en) | High-temperature-resistant suspension stabilizer for well cementation working fluid and preparation method thereof | |
| CN109575736A (en) | A kind of graphene oxide damping paint and preparation method thereof based on flexible polymer modification | |
| CN104389025A (en) | Method for enhancing hydrophobicity of calcium sulfate whisker | |
| CN108148538B (en) | Compression-resistant sealant for sealing airplane flap | |
| KR101887820B1 (en) | Rubber composite for tread part of tyre | |
| CN106009043A (en) | Modified rare earth sulfide assistant, preparation method thereof, and rubber production method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |