CN109722202A - A kind of silane modified polyether fluid sealant for construction and preparation method thereof - Google Patents
A kind of silane modified polyether fluid sealant for construction and preparation method thereof Download PDFInfo
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- CN109722202A CN109722202A CN201910048611.6A CN201910048611A CN109722202A CN 109722202 A CN109722202 A CN 109722202A CN 201910048611 A CN201910048611 A CN 201910048611A CN 109722202 A CN109722202 A CN 109722202A
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- modified polyether
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- silane
- fluid sealant
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Abstract
The present invention relates to sealant technical field, in particular a kind of silane modified polyether fluid sealant for construction and preparation method thereof by weight, including following prepares raw material: 40-60 parts of organosilicon modified polyether resin S203；15-25 parts of inorganic filler；10-15 parts of DINP；8-12 parts of rutile titanium dioxide；7-9 parts of machine tin catalyst, 3-5 parts of silane coupling agent.The present invention, silane modified polyether fluid sealant for construction colloid surface is bright, and because of no added volatile material, colloid be will not cracking, and the big organosilicon modified polyether resin of the crosslink density used in material makes colloid be able to maintain very high hardness.
Description
Technical field
The present invention relates to sealant technical field, specially a kind of silane modified polyether fluid sealant for construction and its preparation side
Method.
Background technique
Since construction industry is converted to fabricated construction by traditional building structure mode, external wall seam, waterproof become
Biggish technological difficulties, existing building seam sealant are all traditional silicone sealant, due to conventional seals glue manufacture group
At ingredient reason, silicone sealant is undesirable to the materials cementability such as mixed mud, is easy to fall off, and do not have for exterior coating
Compatibility does not cover with paint, lacquer, colour wash, etc. coating, and due to joined a large amount of volatizable material, making silicon in conventional seals glue manufacturing process
Ketone glue uses easy flavescence, cracking, obscission after a long time.
Summary of the invention
The purpose of the present invention is to provide a kind of silane modified polyether fluid sealant for construction and preparation method thereof, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of silane modified polyether fluid sealant for construction by weight, including following prepares raw material:
40-60 parts of organosilicon modified polyether resin S203；
15-25 parts of inorganic filler；
10-15 parts of DINP；
8-12 parts of rutile titanium dioxide；
7-9 parts of machine tin catalyst；
3-5 parts of silane coupling agent.
Further, the silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol
Or one of silane modified polyether S810, SAX510 of methoxy group or numerous compositions, molecular weight 7200-
30000。
Further, the silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol
Or in silane modified polyether S810, SAX510 and SAX520 of polypropylene oxide-ethylene oxide polyalcohol or methoxy group
One or more compositions, molecular weight 7200-30000.
Further, the inorganic filler includes at least 30-50 parts of nanometer calcium carbonate, 20-40 parts of mica by weight.
Further, inorganic filler further includes 5-8 parts of precipitated calcium carbonate, powdered whiting 5-8 and talcum by weight
3-5 parts of powder.
Further, the silane coupling agent be dodecyl methyl dimethoxysilane, vinyltrimethoxysilane,
3- TSL 8330, γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-γ-aminopropyl trimethoxy
Silane or the one or more combinations of γ-glycidyl ether oxygen propyl trimethoxy silicane.
Further, the sealant is by weight further include: 0.5-1 parts of adhesion promoter, 0.1-0.5 parts of antioxidant
And 0.1 part and 0.1 part of water absorbing agent of auxiliary agent.
Further, the adhesion promoter be WD-51, the antioxidant be antioxidant 1010 and/or antioxidant 1076,
The auxiliary agent is U-220H, and the water absorbing agent 0.1 is WD-21.
The present invention also provides a kind of preparation methods of silane modified polyether fluid sealant for construction, at room temperature, first first
Stage into high speed disperser in by weight ratio: investment organosilicon modified polyether resin S203, inorganic filler, DINP, golden red
Stone titanium dioxide keeps the mixed at high speed dispersion of 3 hours, is dispersed to fine and smooth, high brightness basic mixture, then second stage
Add organotin catalysts, silane coupling agent carries out mixed at high speed dispersion, after the phase III after pass through hydraulic sub-packaging machine point
It is attached to the sealing of 300ml plastic bottle.
Further, the high speed disperser corotation disk in the first stage, the slow-speed of revolution that dispersion impeller is 20Hz are dispersed with stirring
5min；It is then turned on and vacuumizes, be that 60Hz high speed dispersion stirs 1.5h with corotation disk, dispersion impeller；Addition machine tin catalyst, with altogether
Turntable, dispersion impeller are that 30Hz stirs at low speed mixing 5min；Silane coupling agent is added, with corotation disk, dispersion impeller for 20Hz low speed
7min, vacuum defoamation 20min are stirred, last material goes out kettle, inspection, the finished product for dispensing system.
Compared with prior art, the beneficial effects of the present invention are:
Product is to increase intensity, addition by addition inorganic filler using a kind of special organosilicon modified polyether resin
DINP increases colloid elongation percentage as plasticizer, and addition rutile titanium dioxide keeps whiteness as brightening agent, in high speed dispersion
Machine keeps 1 mixed at high speed dispersion more than hour, fine and smooth, high brightness basic mixture is dispersed to, by adding certain proportion
Organotin catalysts solidify material exposure can in air, make material and to apply by adding certain proportion silane coupling agent
Work material is able to maintain good cementability, is dispensed into the sealing of 300ml plastic bottle by hydraulic sub-packaging machine after making, and when use is used
Dedicated glue rifle is expressed into accordingly using position, is placed naturally after deburring, and after solidification, colloid surface is bright, because no added volatilizable
Property substance, colloid will not cracking, and the big organosilicon modified polyether resin of the crosslink density used in material is able to maintain colloid
Very high hardness.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
The present invention provides a kind of technical solution:
A kind of silane modified polyether fluid sealant for construction by weight, including following prepares raw material:
45 parts of organosilicon modified polyether resin S203；
20 parts of inorganic filler；
12 parts of DINP；
9 parts of rutile titanium dioxide；
7.5 parts of machine tin catalyst；
3.4 parts of silane coupling agent.
The silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or methoxyl group envelope
One of silane modified polyether S810, the SAX510 at end or numerous compositions, molecular weight 8500.
Or the silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or polyoxygenated
One of silane modified polyether S810, SAX510 and SAX520 of propylene-ethylene oxide polyalcohol or methoxy group or more
Kind composition, molecular weight 8500.
The inorganic filler includes at least 35 parts of nanometer calcium carbonate, 28 parts of mica by weight.
Inorganic filler further includes 6 parts of precipitated calcium carbonate, powdered whiting 6 and 4 parts of talcum powder by weight.
The silane coupling agent is dodecyl methyl dimethoxysilane, vinyltrimethoxysilane, 3- aminopropan
Base trimethoxy silane, γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane or
The one or more combinations of γ-glycidyl ether oxygen propyl trimethoxy silicane.
The sealant is by weight further include: 0.1 part of 0.7 part of adhesion promoter, 0.7 part of antioxidant and auxiliary agent and
0.1 part of water absorbing agent.
The adhesion promoter is WD-51, and the antioxidant is antioxidant 1010 and/or antioxidant 1076, the auxiliary agent
For U-220H, the water absorbing agent 0.1 is WD-21.
A kind of preparation method of silane modified polyether fluid sealant for construction, at room temperature, the first stage divides to high speed first
Dissipate in machine by weight ratio: investment organosilicon modified polyether resin S203, inorganic filler, DINP, rutile titanium dioxide are protected
The mixed at high speed dispersion for holding 3 hours, is dispersed to fine and smooth, high brightness basic mixture, and then second stage addition organotin is urged
Agent, silane coupling agent carry out mixed at high speed dispersion, rear after the phase III to be dispensed into 300ml plastics by hydraulic sub-packaging machine
Bottle sealing.
The slow-speed of revolution that high speed disperser corotation disk, dispersion impeller in first stage are 20Hz is dispersed with stirring 5min；Then it opens
It opens and vacuumizes, be that 60Hz high speed dispersion stirs 1.5h with corotation disk, dispersion impeller；Addition machine tin catalyst, with corotation disk, dispersion impeller
Mixing 5min is stirred at low speed for 30Hz；Silane coupling agent is added, is that 20Hz stirs at low speed 7min with corotation disk, dispersion impeller, very
Empty deaeration 20min, last material go out kettle, inspection, the finished product for dispensing system.
Embodiment 2
The present invention provides a kind of technical solution:
A kind of silane modified polyether fluid sealant for construction by weight, including following prepares raw material:
50 parts of organosilicon modified polyether resin S203；
22 parts of inorganic filler；
13 parts of DINP；
10 parts of rutile titanium dioxide；
7.5 parts of machine tin catalyst；
4 parts of silane coupling agent.
The silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or methoxyl group envelope
One of silane modified polyether S810, the SAX510 at end or numerous compositions, molecular weight 7200-30000.
Or the silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or polyoxygenated
One of silane modified polyether S810, SAX510 and SAX520 of propylene-ethylene oxide polyalcohol or methoxy group or more
Kind composition, molecular weight 28000.
The inorganic filler includes at least 40 parts of nanometer calcium carbonate, 38 parts of mica by weight.
Inorganic filler further includes 6.5 parts of precipitated calcium carbonate, powdered whiting 6.5 and 4 parts of talcum powder by weight.
The silane coupling agent is dodecyl methyl dimethoxysilane, vinyltrimethoxysilane, 3- aminopropan
Base trimethoxy silane, γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane or
The one or more combinations of γ-glycidyl ether oxygen propyl trimethoxy silicane.
The sealant is by weight further include: 0.1 part of 0.7 part of adhesion promoter, 0.3 part of antioxidant and auxiliary agent and
0.1 part of water absorbing agent.
The adhesion promoter is WD-51, and the antioxidant is antioxidant 1010 and/or antioxidant 1076, the auxiliary agent
For U-220H, the water absorbing agent 0.1 is WD-21.
A kind of preparation method of silane modified polyether fluid sealant for construction, at room temperature, the first stage divides to high speed first
Dissipate in machine by weight ratio: investment organosilicon modified polyether resin S203, inorganic filler, DINP, rutile titanium dioxide are protected
The mixed at high speed dispersion for holding 3 hours, is dispersed to fine and smooth, high brightness basic mixture, and then second stage addition organotin is urged
Agent, silane coupling agent carry out mixed at high speed dispersion, rear after the phase III to be dispensed into 300ml plastics by hydraulic sub-packaging machine
Bottle sealing.
The slow-speed of revolution that high speed disperser corotation disk, dispersion impeller in first stage are 20Hz is dispersed with stirring 5min；Then it opens
It opens and vacuumizes, be that 60Hz high speed dispersion stirs 1.5h with corotation disk, dispersion impeller；Addition machine tin catalyst, with corotation disk, dispersion impeller
Mixing 5min is stirred at low speed for 30Hz；Silane coupling agent is added, is that 20Hz stirs at low speed 7min with corotation disk, dispersion impeller, very
Empty deaeration 20min, last material go out kettle, inspection, the finished product for dispensing system.
Embodiment 3
The present invention provides a kind of technical solution:
A kind of silane modified polyether fluid sealant for construction by weight, including following prepares raw material:
55 parts of organosilicon modified polyether resin S203；
23 parts of inorganic filler；
14 parts of DINP；
11 parts of rutile titanium dioxide；
8 parts of machine tin catalyst；
4 parts of silane coupling agent.
The silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or methoxyl group envelope
One of silane modified polyether S810, the SAX510 at end or numerous compositions, molecular weight 27000.
Or the silane modified polyether resin is polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or polyoxygenated
One of silane modified polyether S810, SAX510 and SAX520 of propylene-ethylene oxide polyalcohol or methoxy group or more
Kind composition, molecular weight 27000.
The inorganic filler includes at least 36 parts of nano-calcium carbonate Ca45 part, mica by weight.
Inorganic filler further includes 7.5 parts of precipitated calcium carbonate, powdered whiting 7.5 and 4 parts of talcum powder by weight.
The silane coupling agent is dodecyl methyl dimethoxysilane, vinyltrimethoxysilane, 3- aminopropan
Base trimethoxy silane, γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane or
The one or more combinations of γ-glycidyl ether oxygen propyl trimethoxy silicane.
The sealant is by weight further include: 0.1 part of 0.4 part of adhesion promoter, 0.4 part of antioxidant and auxiliary agent and
0.1 part of water absorbing agent.
The adhesion promoter is WD-51, and the antioxidant is antioxidant 1010 and/or antioxidant 1076, the auxiliary agent
For U-220H, the water absorbing agent 0.1 is WD-21.
A kind of preparation method of silane modified polyether fluid sealant for construction, at room temperature, the first stage divides to high speed first
Dissipate in machine by weight ratio: investment organosilicon modified polyether resin S203, inorganic filler, DINP, rutile titanium dioxide are protected
The mixed at high speed dispersion for holding 3 hours, is dispersed to fine and smooth, high brightness basic mixture, and then second stage addition organotin is urged
Agent, silane coupling agent carry out mixed at high speed dispersion, rear after the phase III to be dispensed into 300ml plastics by hydraulic sub-packaging machine
Bottle sealing.
The slow-speed of revolution that high speed disperser corotation disk, dispersion impeller in first stage are 20Hz is dispersed with stirring 5min；Then it opens
It opens and vacuumizes, be that 60Hz high speed dispersion stirs 1.5h with corotation disk, dispersion impeller；Addition machine tin catalyst, with corotation disk, dispersion impeller
Mixing 5min is stirred at low speed for 30Hz；Silane coupling agent is added, is that 20Hz stirs at low speed 7min with corotation disk, dispersion impeller, very
Empty deaeration 20min, last material go out kettle, inspection, the finished product for dispensing system.
The silane modified polyether fluid sealant for construction of embodiment 1-3 is tested, see the table below:
| Sample | Tensile strength (MPA) | Gloss | Elongation at break % | Hardness (ShoreA) |
| Embodiment 1 | 2.5 | It is smooth white | 652 | 42.1 |
| Embodiment 2 | 3.1 | It is smooth white | 664 | 44.6 |
| Embodiment 3 | 2.3 | It is smooth white | 632 | 40.5 |
| Existing product | 0.9 | It is partially yellow | 298 | 23.6 |
Tensile strength, by GB/T528-2009- " measurement of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance "
Regulation test；
Elongation at break is tested by the regulation of GB/T528-2009 standard；
Hardness, by GBT531.1-2008- " vulcanized rubber or thermoplastic elastomer penetration hardness test method first part: Shao
Family name's hardometer method (shore hardness) " regulation test；Hardness is tested by Shao A hardness tester LX-A, and instrument buying is tested from circumference
Instrument Ltd..
As can be seen from the above table, silane modified polyether fluid sealant for construction colloid surface of the invention is bright, because no added
Volatile material, colloid will not cracking, and the big organosilicon modified polyether resin of the crosslink density used in material enables colloid
Enough keep very high hardness.
The present invention, product are increased by addition inorganic filler strong using a kind of special organosilicon modified polyether resin
Degree, addition DINP increase colloid elongation percentage as plasticizer, and addition rutile titanium dioxide keeps whiteness as brightening agent, in height
Fast dispersion machine keeps 1 mixed at high speed dispersion more than hour, is dispersed to fine and smooth, high brightness basic mixture, passes through addition one
The organotin catalysts of certainty ratio solidify material exposure can in air, make object by adding certain proportion silane coupling agent
Material and construction material are able to maintain good cementability, are dispensed into the sealing of 300ml plastic bottle by hydraulic sub-packaging machine after making, make
Used time is expressed into accordingly with dedicated glue rifle using position, is placed naturally after deburring, and after solidification, colloid surface is bright, because no added
Volatile material, colloid will not cracking, and the big organosilicon modified polyether resin of the crosslink density used in material enables colloid
Enough keep very high hardness.
The present invention, improving assembled architecture outer wall seam is led to cracking leak after using silicone sealant, can not applied
Phenomena such as decoration paint, makes external wall become more beautiful energy conservation.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of silane modified polyether fluid sealant for construction, which is characterized in that by weight, including following prepare raw material:
40-60 parts of organosilicon modified polyether resin S203；
15-25 parts of inorganic filler；
10-15 parts of DINP；
8-12 parts of rutile titanium dioxide；
7-9 parts of machine tin catalyst；
3-5 parts of silane coupling agent.
2. a kind of silane modified polyether fluid sealant for construction according to claim 1, it is characterised in that: described silane-modified
Polyether resin is the silane modified polyether of polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or methoxy group
One of S810, SAX510 or numerous compositions, molecular weight 7200-30000.
3. a kind of silane modified polyether fluid sealant for construction according to claim 2, it is characterised in that: described silane-modified
Polyether resin be polyoxyethylated polyols, polypropylene oxide ethylene polyalcohol or polypropylene oxide-ethylene oxide polyalcohol or
One of silane modified polyether S810, SAX510 and SAX520 of methoxy group or numerous compositions, molecular weight are
7200-30000。
4. a kind of silane modified polyether fluid sealant for construction according to claim 1, it is characterised in that: the inorganic filler
Nanometer calcium carbonate 30-50 parts, 20-40 parts of mica is included at least by weight.
5. a kind of silane modified polyether fluid sealant for construction according to claim 4, it is characterised in that: the inorganic filler
It by weight further include 5-8 parts of precipitated calcium carbonate, powdered whiting 5-8 and 3-5 parts of talcum powder.
6. a kind of silane modified polyether fluid sealant for construction according to claim 1, it is characterised in that: described silane coupled
Agent is dodecyl methyl dimethoxysilane, vinyltrimethoxysilane, 3- TSL 8330, γ-ammonia
Propyl-triethoxysilicane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane or γ-glycidyl ether oxygen propyl three
One or more combinations of methoxy silane.
7. a kind of silane modified polyether fluid sealant for construction according to claim 1, it is characterised in that: the sealant is pressed
Parts by weight meter further include: 0.1 part of 0.5-1 parts of adhesion promoter, 0.1-0.5 parts of antioxidant and auxiliary agent and 0.1 part of water absorbing agent.
8. a kind of silane modified polyether fluid sealant for construction according to claim 1, it is characterised in that: the adherency promotes
Agent is WD-51, and the antioxidant is antioxidant 1010 and/or antioxidant 1076, and the auxiliary agent is U-220H, the water absorbing agent
0.1 is WD-21.
9. a kind of preparation method of silane modified polyether fluid sealant for construction, it is characterised in that: at room temperature, first stage first
In into high speed disperser by weight ratio: investment organosilicon modified polyether resin S203, inorganic filler, DINP, rutile two
Titanium oxide keeps the mixed at high speed dispersion of 3 hours, is dispersed to fine and smooth, high brightness basic mixture, then second stage is added
Organotin catalysts, silane coupling agent carry out mixed at high speed dispersion, after the phase III after be dispensed by hydraulic sub-packaging machine
The sealing of 300ml plastic bottle.
10. a kind of preparation method of silane modified polyether fluid sealant for construction according to claim 9, it is characterised in that:
The slow-speed of revolution that high speed disperser corotation disk, dispersion impeller in first stage are 20Hz is dispersed with stirring 5min；It is then turned on and vacuumizes,
It is that 60Hz high speed dispersion stirs 1.5h with corotation disk, dispersion impeller；Addition machine tin catalyst is that 30Hz is low with corotation disk, dispersion impeller
Speed is stirred 5min；Silane coupling agent is added, is that 20Hz stirs at low speed 7min, vacuum defoamation with corotation disk, dispersion impeller
20min, last material go out kettle, inspection, the finished product for dispensing system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048611.6A CN109722202A (en) | 2019-01-18 | 2019-01-18 | A kind of silane modified polyether fluid sealant for construction and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048611.6A CN109722202A (en) | 2019-01-18 | 2019-01-18 | A kind of silane modified polyether fluid sealant for construction and preparation method thereof |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845990A (en) * | 2019-11-21 | 2020-02-28 | 江门大光明粘胶有限公司 | Ceramic tile crack beautifying agent and preparation method thereof |
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|---|---|---|---|---|
| WO2012095826A2 (en) * | 2011-01-14 | 2012-07-19 | Ceys, S. A. | Removable adhesive/sealant composition |
| CN105111991A (en) * | 2015-06-15 | 2015-12-02 | 深圳市隆邦工业材料有限公司 | High strength silane-modified polyether wall glue and preparation method therefor |
-
2019
- 2019-01-18 CN CN201910048611.6A patent/CN109722202A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095826A2 (en) * | 2011-01-14 | 2012-07-19 | Ceys, S. A. | Removable adhesive/sealant composition |
| CN105111991A (en) * | 2015-06-15 | 2015-12-02 | 深圳市隆邦工业材料有限公司 | High strength silane-modified polyether wall glue and preparation method therefor |
Non-Patent Citations (1)
| Title |
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| 李吉明等: ""单组分端硅烷基聚醚密封胶的研制及应用"", 《粘接》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845990A (en) * | 2019-11-21 | 2020-02-28 | 江门大光明粘胶有限公司 | Ceramic tile crack beautifying agent and preparation method thereof |
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Application publication date: 20190507 |