CN106244089A - A kind of flame resistant glass modified Nano is combined polysulfide sealant and preparation thereof - Google Patents
A kind of flame resistant glass modified Nano is combined polysulfide sealant and preparation thereof Download PDFInfo
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- CN106244089A CN106244089A CN201610703754.2A CN201610703754A CN106244089A CN 106244089 A CN106244089 A CN 106244089A CN 201610703754 A CN201610703754 A CN 201610703754A CN 106244089 A CN106244089 A CN 106244089A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J181/00—Adhesives based on 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; Adhesives based on polysulfones; Adhesives based on derivatives of such polymers
- C09J181/04—Polysulfides
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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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
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Abstract
The present invention relates to fluid sealant technical field, specifically disclose a kind of flame resistant glass modified Nano and be combined polysulfide sealant, including: weight ratio is base glue component and the sulfuration component of 100:5 20；Described base glue component comprises following parts by weight: 60～100 parts of liquid polysulphide rubbers, 0.01～5 part of modified nano powder, 10～50 parts of reinforced fillings, 0.1～5 part of silane coupler；Described sulfuration component comprises following parts by weight: 5～20 parts of viscosifier, 5～30 parts of vulcanizing agents, 0.1～5 part of vulcanization accelerator；Described liquid polysulphide rubber number-average molecular weight is 1000～4000；Described modified nano powder is the one in modified white graphite alkene, modified graphene, graphene oxide.Modified Nano of the present invention is combined thiorubber. sealing property and mechanical strength increases, and other performances are the most unaffected, and technique is simple, it is easy to operation, has higher using value.
Description
Technical field
The present invention relates to fluid sealant technical field, be specifically related to a kind of flame resistant glass modified Nano and be combined polysulfide sealant
And preparation.
Background technology
Along with science and technology and expanding economy, countries in the world are more and more higher to the requirement of building house and office premises, anti-
The market demand of fire heat-protecting glass in rising situation year by year, in recent years the bonding of flame resistant glass, sealed product mostly be silicone,
Polyurethanes and polysulfide sealant.The adhesive property of silicone sealant is general, and cost is relatively big, polyurethane sealant adhesive property
Preferably, but resistance to acids and bases and ageing-resistant performance are poor, and the adhesive property of polysulfide sealant and ageing-resistant performance are all good, simultaneously
Cost is relatively low, becomes a class fluid sealant the most frequently used in fire-proof glass for buildings.
The polysulfide sealant formed through sulfuration is typically with liquid polysulfide rubber as matrix, adds appropriate filler, auxiliary agent
The class encapsulant being mixed with through mechanical agitation with vulcanizing agent etc..In the actual application of fire-proof glass for buildings, polysulfide
Fluid sealant causes weatherability to drop because being worked in coordination with aging impact by factors such as humidity, oxygen, ozone, ultraviolet in environment for a long time
Low, fluid sealant gradually follows the string, and cohesive force and the air-tightness between flame resistant glass reduces, and causes the fire prevention of flame resistant glass interlayer
Material produces bubble so that the fire prevention of flame resistant glass, thermal insulation lost efficacy, and once breaking out of fire will bring about great losses.
Summary of the invention
In view of this, it is necessary to for the problems referred to above, it is provided that a kind of simple and effective flame resistant glass modified Nano is combined
Polysulfide sealant and preparation thereof.
For achieving the above object, the present invention takes techniques below scheme:
The flame resistant glass modified Nano of the present invention is combined polysulfide sealant, including: weight ratio is the base glue of 100:5-20
Component and sulfuration component；
Described base glue component comprises following parts by weight: 60～100 parts of liquid polysulphide rubbers, 0.01～5 part of modification is received
Rice flour body, 10～50 parts of reinforced fillings, 0.1～5 part of silane coupler；
Described sulfuration component comprises following parts by weight: 5～20 parts of viscosifier, 5～30 parts of vulcanizing agents, 0.1～5 part of sulfur
Change accelerator；
Described liquid polysulphide rubber number-average molecular weight is 1000～4000；
Described modified nano powder is the one in modified white graphite alkene, modified graphene, graphene oxide.
As preferably, the weight ratio of described base glue component and sulfuration component is 100:10；Described base glue component comprises
Following parts by weight: 65～85 parts of liquid polysulphide rubbers, 0.01～3 part of modified nano powder, 15～40 parts of reinforced fillings, 0.2
～3 parts of silane couplers；
Described sulfuration component comprises following parts by weight: 5～15 parts of viscosifier, 6～20 parts of vulcanizing agents, 0.1～3.5 part
Vulcanization accelerator.
Liquid polysulphide rubber is the matrix of polysulfide sealant, and after its number-average molecular weight size directly determines sulfuration, polysulfide is close
The mechanical performance of sealing, as further preferably, when the number-average molecular weight of described liquid polysulphide rubber is 3000, has more excellent
Plasticity and preferable mechanical performance.
As further preferably, described modified white graphite alkene is that 1～10 layer of white graphite alkene is through long-chain lewis base, long link
Lewis acid, azochlorosulfonate acid compound, quaternary ammonium compound or nonionic surfactant process, and increase affine to matrix of white graphite alkene with this
Power；Described modified graphene is that 1～10 layer graphenes are through polyvinylpyrrolidone (PVP) or dodecylbenzene sodium sulfonate (SDBS)
Process in surfactant, increase the Graphene affinity to matrix with this.
As further preferably, described long-chain lewis base is oleyl amine etc.；Described long link Lewis acid is long-chain borine etc.；
Described azochlorosulfonate acid compound is dodecylbenzene sodium sulfonate etc.；Described quaternary ammonium compound is brocide etc.；Described nonionic
Type surfactant is poly(ethylene oxide) alkylolamides etc..
As preferably, described reinforced filling is the one in nano silicon, nano-calcium carbonate, white carbon black；
Described silane coupler is the one in KH-550, KH-560, KH-570；
Described viscosifier include the one in acrylic resin, epoxy resin, glycidyl methacrylate；
Described vulcanizing agent includes the one in calper calcium peroxide, zinc peroxide, manganese dioxide；
Described accelerator is diphenylguanidine, can accelerate liquid polysulphide rubber room temperature vulcanization process.
As further preferably, described vulcanizing agent is manganese dioxide, is the optimal vulcanizing agent of thiorubber. room temperature vulcanization.
Flame resistant glass modified Nano of the present invention is combined the preparation method of polysulfide sealant, including:
Step 1) select the one in modified white graphite alkene, modified graphene, graphene oxide as nano-powder；Modified
Method is: the long-chain lewis base that white graphite alkene weight/mass percentage composition is 0.1% of 1-10 layer, long link Lewis acid, sulfonic acid
Compound, quaternary ammonium compound or nonionic aqueous solution soaking 24 hours, by centrifugation, after vacuum drying modified white graphite alkene powder body；1
～the graphene dispersion of 10 layers is super in concentration is 0.1mg/ml polyvinylpyrrolidone or sodium dodecyl benzene sulfonate aqueous solution
Sound 12 hours, by centrifugation, after vacuum drying modified graphene powder body；
Step 2) preparation of base glue component: weigh liquid polysulphide rubber the most respectively and silane coupler mixing is stirred
After mixing, it is sequentially added into nano modification powder body, reinforced filling, by each component mixing 10-60min at 35～100 DEG C, repeatedly grinds
Until obtaining uniform base glue component；
Step 3) preparation of sulfuration component: weigh a certain amount of viscosifier the most respectively, vulcanizing agent and sulfuration promote
Enter agent, obtain each component mixing and stirring vulcanizing component；
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared is equal by weight mix and blend
Even, i.e. obtain flame resistant glass modified Nano and be combined polysulfide sealant, the even flame resistant glass edge surrounding that is coated on is up to intended
Sealing effectiveness.
As preferably, step 2) described in base glue component melting temperature be 60 DEG C.
Compared with prior art, the invention have the benefit that
Modified nano powder selects 1～10 layer of modified white graphite alkene, modified graphene or graphene oxide, and lamella arrangements is tight
Gathering, uniformly, and barrier sheet number of layers is more, gas detours in thiorubber., and path is elongated, and a small amount of interpolation just can well hinder
Gear gas passes through, and adds the air-tightness after thiorubber. solidification；Simultaneously through white graphite alkene, the Graphene of surfactant process
And surface contains the graphene oxide of more active group, a small amount of can reach the wettability good with matrix when adding, rise
Arrive reinforcing effect, improve the mechanical strength of thiorubber..
Present invention improves air-tightness and mechanical strength that flame resistant glass polysulfide sealant causes because environmental factors is aging
Reduction, effectively the stablizing of protection flame resistant glass interior fire protection liquid, prevent the generation of bubble in the fire-resistant fluid that flame resistant glass seals,
Fire-resistant, the heat-proof quality that make flame resistant glass are protected.Product of the present invention, on the premise of not affecting the appearance, extends fire prevention
In the service life of glass, technique is simple, it is easy to operation, has higher using value.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this
Bright technical scheme is made the most clearly and completely to describe.It should be noted that described embodiment is only the present invention one
Section Example rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
Step 1) modification of nano-powder: select the white graphite alkene of 1～10 layer, little by 0.1% oleyl amine aqueous solution soaking 24
Time, by centrifugation, vacuum drying after obtain white graphite alkene modified powder；
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.1 part of step 1) the modified white graphite alkene powder body prepared
With 30 parts of nano silicons, mixing 45min, melting temperature is 40 DEG C, after each component mixing and stirring, through three-roll grinder
Base glue component is obtained after repeatedly grinding three times.
Step 3) sulfuration component preparation: weigh the most successively 10 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:6
Stir, i.e. obtain flame resistant glass modified Nano and be combined polysulfide sealant, after completing, be evenly applied to flame resistant glass edge
Surrounding.
Embodiment 2
Step 1) modification of nano-powder: the white graphite alkene selecting 1～10 layer is little by 0.1% oleyl amine aqueous solution soaking 24
Time, by centrifugation, vacuum drying after obtain white graphite alkene modified powder；
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 5 parts of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 1 part of step 1) the modified white graphite alkene powder body prepared and
10 parts of nano silicons, mixing 45min, melting temperature is 80 DEG C, after each component mixing and stirring, anti-through three-roll grinder
Base glue component is obtained after grinding three times again.
Step 3) sulfuration component preparation: weigh 20 parts of epoxy resin, 15 parts of manganese dioxide the most successively
Join mixed at room temperature in mixing roll with 5 parts of diphenylguanidine to stir, vulcanized after three-roll grinder grinds three times repeatedly
Component.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:15
Conjunction stirs, and i.e. obtains flame resistant glass modified Nano and is combined polysulfide sealant, is evenly applied to flame resistant glass limit after completing
Edge surrounding.
Embodiment 3
Step 1) modification of nano-powder: the white graphite alkene selecting 1～10 layer is little by 0.1% oleyl amine aqueous solution soaking 24
Time, by centrifugation, vacuum drying after obtain white graphite alkene modified powder；
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.3 part of step 1) the modified white graphite alkene powder body prepared
With 25 parts of nano silicons, mixing 45min, melting temperature is 60 DEG C, after each component mixing and stirring, through three-roll grinder
Base glue component is obtained after repeatedly grinding three times.
Step 3) sulfuration component preparation: weigh the most successively 15 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight 100:10
Stir, i.e. obtain flame resistant glass modified Nano and be combined polysulfide sealant, after completing, be evenly applied to flame resistant glass edge
Surrounding.
Embodiment 4
Step 1) modification of nano-powder: it is 0.1mg/ml polyvinyl pyrrole by the graphene dispersion of 1～10 layer in concentration
In alkanone aqueous solution ultrasonic 12 hours, by centrifugation, after vacuum drying Graphene modified powder.
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.2 part of step 1) the modified graphene powder body prepared and
30 parts of nano silicons, mixing 45min, melting temperature is 40 DEG C, after each component mixing and stirring, anti-through three-roll grinder
Base glue component is obtained after grinding three times again.
Step 3) sulfuration component preparation: weigh the most successively 10 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:6
Stir, i.e. obtain flame resistant glass modified Nano and be combined polysulfide sealant, after completing, be evenly applied to flame resistant glass edge
Surrounding.
Embodiment 5
Step 1) with the graphene dispersion of 1～10 layer in concentration is 0.1mg/ml aqueous povidone solution ultrasonic
12 hours, by centrifugation, after vacuum drying Graphene modified powder.
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 5 parts of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 1 part of step 1) the modified graphene powder body and 10 prepared
Part nano silicon, mixing 45min, melting temperature is 80 DEG C, after each component mixing and stirring, through three-roll grinder repeatedly
Base glue component is obtained after grinding three times.
Step 3) sulfuration component preparation: weigh 20 parts of epoxy resin, 15 parts of manganese dioxide the most successively
Join mixed at room temperature in mixing roll with 5 parts of diphenylguanidine to stir, vulcanized after three-roll grinder grinds three times repeatedly
Component.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:15
Conjunction stirs, and i.e. obtains flame resistant glass modified Nano and is combined polysulfide sealant, is evenly applied to flame resistant glass limit after completing
Edge surrounding.
Embodiment 6
Step 1) modification of nano-powder: it is 0.1mg/ml polyvinyl pyrrole by the graphene dispersion of 1～10 layer in concentration
In alkanone aqueous solution ultrasonic 12 hours, by centrifugation, after vacuum drying Graphene modified powder.
Step 2) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.5 part of step 1) the modified graphene powder body prepared and
25 parts of nano silicons, mixing 45min, melting temperature is 60 DEG C, after each component mixing and stirring, anti-through three-roll grinder
Base glue component is obtained after grinding three times again.
Step 3) sulfuration component preparation: weigh the most successively 15 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 4) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:10
Conjunction stirs, and i.e. obtains flame resistant glass modified Nano and is combined polysulfide sealant, is evenly applied to flame resistant glass limit after completing
Edge surrounding.
Embodiment 7
Step 1) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.1 part of graphene oxide powder and 30 parts of nano-silicas
SiClx, mixing 45min, melting temperature is 40 DEG C, after each component mixing and stirring, after three-roll grinder grinds three times repeatedly
Obtain base glue component.
Step 2) sulfuration component preparation: weigh the most successively 10 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 3) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:6
Stir, i.e. obtain flame resistant glass modified Nano and be combined polysulfide sealant, after completing, be evenly applied to flame resistant glass edge
Surrounding.
Embodiment 8
Step 1) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 5 parts of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 1 part of graphene oxide powder and 10 parts of nanometer titanium dioxides
Silicon, mixing 45min, melting temperature is 80 DEG C, after each component mixing and stirring, after three-roll grinder grinds three times repeatedly
To base glue component.
Step 2) sulfuration component preparation: weigh 20 parts of epoxy resin, 15 parts of manganese dioxide the most successively
Join mixed at room temperature in mixing roll with 5 parts of diphenylguanidine to stir, vulcanized after three-roll grinder grinds three times repeatedly
Component.
Step 3) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:15
Conjunction stirs, and i.e. obtains flame resistant glass modified Nano and is combined polysulfide sealant, is evenly applied to flame resistant glass limit after completing
Edge surrounding.
Embodiment 9
Step 1) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, sequentially adds 0.4 part of graphene oxide powder and 25 parts of nano-silicas
SiClx, mixing 45min, melting temperature is 60 DEG C, after each component mixing and stirring, after three-roll grinder grinds three times repeatedly
Obtain base glue component.
Step 2) sulfuration component preparation: weigh the most successively 15 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 3) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight for 100:10
Conjunction stirs, and i.e. obtains flame resistant glass modified Nano and is combined polysulfide sealant, is evenly applied to flame resistant glass limit after completing
Edge surrounding.
Comparative example 1
Step 1) preparation of base glue component: weigh 100 parts of liquid polysulphide rubbers and 1 part of silane the most successively
Coupling agent joins mix and blend 5min in mixing roll, adds 30 parts of nano silicons, mixing 45min, and melting temperature is
60 DEG C, after each component mixing and stirring, after three-roll grinder grinds three times repeatedly, obtain base glue component.
Step 2) sulfuration component preparation: weigh the most successively 15 parts of epoxy resin, 5 parts of manganese dioxide and
1 part of diphenylguanidine joins mixed at room temperature in mixing roll and stirs, and obtains sulfuration group after three-roll grinder grinds three times repeatedly
Part.
Step 3) by step 2) the base glue component prepared and step 3) the sulfuration component prepared mixes by weight 100:10
Stir, i.e. obtain the flame resistant glass compound polysulfide sealant without modified Nano, after completing, be evenly applied to flame resistant glass
Edge surrounding.
For measuring each embodiment flame resistant glass various performance parameters with compound polysulfide sealant in table 1:
The each embodiment of table 1 is combined the performance parameter of polysulfide sealant
As can be known from the above table, compared with comparative example 1, the flame resistant glass modified Nano of the present invention is combined polysulfide and seals
Glue, can significantly reduce flame resistant glass polysulfide sealant and to the transmitance of gas and steam and be effectively improved mechanical strength.
The present invention also extends the service life of flame resistant glass, and technique is simple, it is easy to operation, has the highest using value.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a flame resistant glass modified Nano is combined polysulfide sealant, it is characterised in that including: weight ratio is 100:5-20's
Base glue component and sulfuration component；
Described base glue component comprises following parts by weight: 60～100 parts of liquid polysulphide rubbers, 0.01～5 part of modified Nano powder
Body, 10～50 parts of reinforced fillings, 0.1～5 part of silane coupler；
Described sulfuration component comprises following parts by weight: 5～20 parts of viscosifier, 5～30 parts of vulcanizing agents, 0.1～5 part of sulfuration promotees
Enter agent；
Described liquid polysulphide rubber number-average molecular weight is 1000～4000；
Described modified nano powder is the one in modified white graphite alkene, modified graphene, graphene oxide.
Flame resistant glass modified Nano the most according to claim 1 is combined polysulfide sealant, it is characterised in that described base glue
The weight ratio of component and sulfuration component is 100:10；
Described base glue component comprises following parts by weight: 65～85 parts of liquid polysulphide rubbers, 0.01～3 part of modified Nano powder
Body, 15～40 parts of reinforced fillings, 0.2～3 part of silane coupler；
Described sulfuration component comprises following parts by weight: 5～15 parts of viscosifier, 6～20 parts of vulcanizing agents, 0.1～3.5 part of sulfuration
Accelerator.
Flame resistant glass modified Nano the most according to claim 1 and 2 is combined polysulfide sealant, it is characterised in that described
The number-average molecular weight of liquid polysulphide rubber is 3000.
Flame resistant glass modified Nano the most according to claim 1 and 2 is combined polysulfide sealant, it is characterised in that described
Modified white graphite alkene be 1～10 layer of white graphite alkene through long-chain lewis base, long link Lewis acid, azochlorosulfonate acid compound, quaternary ammonium compound or
Nonionic surfactant processes；Described modified graphene is that 1～10 layer graphenes are through polyvinylpyrrolidone (PVP) or ten
Dialkyl benzene sulfonic acids sodium (SDBS) surfactant processes.
Flame resistant glass modified Nano the most according to claim 4 is combined polysulfide sealant, it is characterised in that described long-chain
Lewis base is oleyl amine；Described long link Lewis acid is long-chain borine；Described azochlorosulfonate acid compound is dodecylbenzene sodium sulfonate；Described
Quaternary ammonium compound is brocide；Described nonionic surfactant is poly(ethylene oxide) alkylolamides.
Flame resistant glass modified Nano the most according to claim 1 and 2 is combined polysulfide sealant, it is characterised in that described
Reinforced filling is the one in nano silicon, nano-calcium carbonate, white carbon black；
Described silane coupler is the one in KH-550, KH-560, KH-570；
Described viscosifier include the one in acrylic resin, epoxy resin, glycidyl methacrylate；
Described vulcanizing agent includes the one in calper calcium peroxide, zinc peroxide, manganese dioxide；
Described accelerator is diphenylguanidine.
Flame resistant glass modified Nano the most according to claim 6 is combined polysulfide sealant, it is characterised in that described sulfuration
Agent is manganese dioxide.
8. the flame resistant glass modified Nano described in claim 1 or 2 is combined a preparation method for polysulfide sealant, its feature
It is, including:
Step 1) select the one in modified white graphite alkene, modified graphene, graphene oxide as nano-powder；Method of modifying
For: the long-chain lewis base that white graphite alkene weight/mass percentage composition is 0.1% of 1-10 layer, long link Lewis acid, azochlorosulfonate acid compound,
Quaternary ammonium compound or nonionic surfactant aqueous solution soaking 24 hours, by centrifugation, after vacuum drying modified white graphite alkene
Powder body；The graphene dispersion of 1～10 layer concentration be 0.1mg/ml polyvinylpyrrolidone or dodecylbenzene sodium sulfonate water-soluble
In liquid ultrasonic 12 hours, by centrifugation, after vacuum drying modified graphene powder body；
Step 2) preparation of base glue component: weigh liquid polysulphide rubber and silane coupler mix and blend the most respectively
After, it is sequentially added into nano modification powder body, reinforced filling, by each component mixing 10-60min at 35～100 DEG C, repeatedly grinds straight
To obtaining uniform base glue component；
Step 3) sulfuration component preparation: weigh a certain amount of viscosifier, vulcanizing agent and vulcanization accelerator the most respectively,
Obtain each component mixing and stirring vulcanizing component；
Step 4) by step 2) the base glue component prepared and step 3) and the sulfuration component prepared by weight mixing and stirring,
I.e. obtaining flame resistant glass modified Nano and be combined polysulfide sealant, the even flame resistant glass edge surrounding that is coated on is up to intended sealing
Effect.
Flame resistant glass modified Nano the most according to claim 8 is combined the preparation method of polysulfide sealant, and its feature exists
In, step 2) described in base glue component melting temperature be 60 DEG C.
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| PCT/CN2017/098067 WO2018036426A1 (en) | 2016-08-22 | 2017-08-18 | Modified nanometer composite polysulfide sealant for fireproof glass and preparation method therefor |
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| WO2018036426A1 (en) * | 2016-08-22 | 2018-03-01 | 广东纳路纳米科技有限公司 | Modified nanometer composite polysulfide sealant for fireproof glass and preparation method therefor |
| CN109180938A (en) * | 2018-08-31 | 2019-01-11 | 王雪峰 | A kind of preparation method of shock resistance high-adhesion polysulfide rubber |
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| WO2018036426A1 (en) | 2018-03-01 |
| CN106244089B (en) | 2019-05-14 |
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