CN102277125A - Flame-retardant polysulfide sealant and preparation method thereof - Google Patents
Flame-retardant polysulfide sealant and preparation method thereof Download PDFInfo
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- CN102277125A CN102277125A CN2011102559990A CN201110255999A CN102277125A CN 102277125 A CN102277125 A CN 102277125A CN 2011102559990 A CN2011102559990 A CN 2011102559990A CN 201110255999 A CN201110255999 A CN 201110255999A CN 102277125 A CN102277125 A CN 102277125A
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Abstract
The invention discloses a flame-retardant polysulfide sealant and a preparation method thereof, belonging to the field of adhesive preparation. The sealant comprises the following components by mass: 20-55% of liquid silane modified polysulfide rubber, 20-55% of flame retardant, 1-10% of tackifier, 5-15% of plasticizer and 5-20% of filler. The sealant disclosed by the invention is a single-component halogen-free flame-retardant polysulfide sealant, has good flame retardance, wide viscosity adjustable range and low specific gravity, does not corrode aluminium, glass and other substrates and is easy to construct.
Description
Technical field
The present invention relates to the seal gum preparation field, particularly relate to flame retardant type polysulfide sealant of a kind of single-component and preparation method thereof.
Background technology
Macromolecular material is used extensive day by day at building material industry, however macromolecular material itself very easily burn, when fire took place, burning discharged a large amount of toxic gases, as carbon monoxide, nitrogen protoxide etc., at the utmost point people's death by poisoning is died.Great mass of data shows that toxic smoke is the first killer of causing death in the fire.Thereby the flame retardant properties of material of construction is directly connected to the people's lives and property safety.And the halogen flame of flame retardant sealant heavy addition can generate a large amount of toxic gases such as hydrogen halide in combustion processes now, and bittern-free flame-proof material, the flame retardant effect of magnesium hydroxide, aluminium hydroxide is poor, and addition is big, has a strong impact on material property.Owing to add a large amount of fire retardants, cause the flowability of seal gum to descend simultaneously, be difficult for immersing narrow and small filleting, make troubles to construction.
Polysulfide sealant is a kind of building sealant commonly used, and two component polysulfide sealants commonly used divide as crosslinking accelerator by water in air, are that linking agent at room temperature solidifies with the superoxide.Though its bonding, sealing, ageing-resistant performance and mechanical property excellence, present two component polysulfide sealant constructions are inconvenient, easy firing in air, poor fire.
Summary of the invention
For overcoming the problems referred to above, embodiment of the present invention provides a kind of flame retardant type single-component polysulfide sealant and preparation method thereof, it is a kind of polysulfide sealant of halogen-free flameproof, can solve the problem of existing two component polysulfide sealant poor fire, can both guarantee the performance of polysulfide sealant, avoid its aerial inflammableness again.
The objective of the invention is to be achieved through the following technical solutions:
Embodiment of the present invention provides a kind of flame retardant type polysulfide sealant, and sealing glue is made up of following component by mass percentage:
Wherein, described fire retardant is the mixture of fire-retardant graphite and antimonous oxide.
In the above-mentioned seal gum, described liquid silane modified polysulfide rubber be through γ-glycidyl ether oxygen propyl trimethoxy silicane as the end capped thiorubber of end-capping reagent modification, the molecular weight of described liquid silane modified polysulfide rubber is less than 1500.
In the above-mentioned seal gum, described fire retardant is the fire-retardant graphite crossed as modifier modification through silane coupling agent and the mixture of antimonous oxide.
In the above-mentioned seal gum, described silane coupling agent adopts γ-glycidyl ether oxygen propyl trimethoxy silicane.
In the above-mentioned seal gum, the mean particle size of the fire-retardant graphite in the described fire retardant is 1500～3000 orders, and the median size of antimonous oxide is 0.3～1 micron.
In the above-mentioned seal gum, described tackifier are any or any several mixture in Gum Rosin, the terpine resin.
In the above-mentioned seal gum, described softening agent is the mixture of tributyl citrate and dibutyl phthalate.
In the above-mentioned seal gum, described softening agent is any or any several mixture in dibutyl phthalate, dioctyl phthalate (DOP), tributyl citrate, toluene, the dimethylbenzene.
In the above-mentioned seal gum, described filler is any or any several mixture in kaolin, talcum powder, titanium dioxide, aerosil, the carbon black.
Embodiment of the present invention also provides a kind of preparation method of flame retardant type polysulfide sealant, and this method comprises:
Get each raw material of preparation flame retardant type polysulfide sealant by above-mentioned each described sealant formula;
Filler, fire retardant were dried 1 hour at 60～80 ℃; Filler, fire retardant and liquid silane modified polysulfide rubber after the oven dry, tackifier, softening agent are dropped into kneader and mix, the paste that obtains after the mixing grinds through colloidal mill, dewater under vacuum state through reactor then, promptly make the flame retardant type polysulfide sealant of this single-component.
By the above-mentioned technical scheme that provides as can be seen, in the embodiment of the present invention, the fire retardant by adopting fire-retardant graphite and the composite formation of antimonous oxide is as flame-retardant system, and addition is few, makes seal gum density little, and the unit volume consumption is few; Obtain the seal gum good flame retardation effect, oxygen index reaches the FV-0 standard greater than 34%, and does not contain volatiles in the sealing glue, can not produce corrosion to glass, stone material, timber, aluminium etc., and sealing adhesive capacity regulation range is big, easily construction.Sealing glue has promptly guaranteed performance, has avoided its aerial inflammableness again.
Embodiment
Below in conjunction with specific embodiment the technical scheme among the present invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on embodiments of the invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of flame retardant type polysulfide sealant, is a kind of single-component halogen-free flameproof polysulfide sealant, and sealing glue is made up of following component by mass percentage:
Liquid silane modified polysulfide rubber 20～55%;
Fire retardant 20～55%;
Tackifier 1～10%;
Softening agent 5～15%;
Filler 5～20%;
Wherein, described fire retardant is the mixture of fire-retardant graphite and antimonous oxide.
Liquid silane modified polysulfide rubber in the above-mentioned seal gum is as the end capped thiorubber of end-capping reagent modification through γ-glycidyl ether oxygen propyl trimethoxy silicane, used γ-glycidyl ether oxygen propyl trimethoxy silicane has active hydrolyzable alkoxyl group, and the molecular weight of described liquid silane modified polysulfide rubber is less than 1500.
Fire retardant in the above-mentioned seal gum is the fire-retardant graphite crossed as modifier modification through silane coupling agent and the mixture of antimonous oxide.Silane coupling agent wherein adopts γ-An Bingjisanyiyangjiguiwan; The mean particle size of the fire-retardant graphite in the described fire retardant is 1500～3000 orders, and the median size of antimonous oxide is 0.3～1 micron.
Tackifier in the above-mentioned seal gum are any or any several mixture in Gum Rosin, the terpine resin.
Softening agent in the above-mentioned seal gum is the mixture of tributyl citrate and dibutyl phthalate.
Softening agent in the above-mentioned seal gum is any or any several mixture in dibutyl phthalate, dioctyl phthalate (DOP), tributyl citrate, toluene, the dimethylbenzene.
Filler in the above-mentioned seal gum is any or any several mixture in kaolin, talcum powder, titanium dioxide, aerosil, the carbon black.
The preparation method of above-mentioned flame retardant type polysulfide sealant is specific as follows:
Filler, fire retardant were dried 1 hour at 60～80 ℃; Filler after the oven dry, fire retardant, liquid silane modified polysulfide rubber, tackifier, softening agent are dropped into kneader and mix, mixed paste grinds through colloidal mill, dewater under vacuum state through reactor then, promptly make the flame retardant type polysulfide sealant of this single-component.
Polysulfide sealant in the embodiment of the invention, the fire retardant by adopting fire-retardant graphite and the composite formation of antimonous oxide is as flame-retardant system, and addition is few, makes seal gum density little, and the unit volume consumption is few; Obtain the seal gum good flame retardation effect, oxygen index reaches the FV-0 standard greater than 34%, and does not contain volatiles in the sealing glue, can not produce corrosion to glass, stone material, timber, aluminium etc., and sealing adhesive capacity regulation range is big, easily construction.Sealing glue has promptly guaranteed performance, has avoided its aerial inflammableness again.
The present invention is described further below in conjunction with specific embodiment.
Embodiment 1
Present embodiment provides a kind of flame retardant type polysulfide sealant, is a kind of polysulfide sealant of single component, and each raw material of sealing glue (by mass percentage) consumption is:
The preparation method of above-mentioned seal gum is as follows: fire-retardant graphite, antimonous oxide, barium titanate, lime carbonate were dried 1 hour at 60～80 ℃; Filler after liquid silane modified polysulfide rubber, dibutyl phthalate, Gum Rosin, the oven dry, fire retardant are dropped into kneader and mix, mixed paste grinds through colloidal mill, dewater under vacuum state through reactor then, make this fire-retardant polysulfide sealant of single-component.
Embodiment 2
Present embodiment provides a kind of flame retardant type polysulfide sealant, is a kind of polysulfide sealant of single component, and each raw material of sealing glue (by mass percentage) consumption is:
The preparation method of above-mentioned seal gum is as follows:
Fire-retardant graphite, antimonous oxide, kaolin, carbon black were dried one hour at 60～80 ℃; Filler after liquid silane modified polysulfide rubber, dioctyl phthalate (DOP), terpine resin, the oven dry, fire retardant are dropped into kneader and mix, mixed paste grinds through colloidal mill, dewater under vacuum state through reactor then, make the fire-retardant polysulfide sealant of single-component.
Embodiment 3
Present embodiment provides a kind of flame retardant type polysulfide sealant, is a kind of polysulfide sealant of single component, and each raw material of sealing glue (by mass percentage) consumption is:
The preparation method of above-mentioned seal gum is as follows:
Fire-retardant graphite, antimonous oxide, aerosil, kaolin were dried one hour at 60～80 ℃; Filler after the mixture of liquid silane modified polysulfide rubber, tributyl citrate and dibutyl phthalate, Gum Rosin, the oven dry, fire retardant are dropped into kneader and mix, mixed paste grinds through colloidal mill, dewater under vacuum state through reactor then, make the fire-retardant polysulfide sealant of single-component.
In sum, the seal gum of the embodiment of the invention has good flame retardancy, and the viscosity variable range is big, and proportion is little, base materials such as aluminium, glass is not had burn into easily construct.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a flame retardant type polysulfide sealant is characterized in that, sealing glue is made up of following component by mass percentage:
Liquid silane modified polysulfide rubber 20～55%;
Fire retardant 20～55%;
Tackifier 1～10%;
Softening agent 5～15%;
Filler 5～20%;
Wherein, described fire retardant is the mixture of fire-retardant graphite and antimonous oxide.
2. flame retardant type polysulfide sealant as claimed in claim 1, it is characterized in that, described liquid silane modified polysulfide rubber be through γ-glycidyl ether oxygen propyl trimethoxy silicane as the end capped thiorubber of end-capping reagent modification, the molecular weight of liquid silane modified polysulfide rubber is less than 1500.
3. flame retardant type polysulfide sealant as claimed in claim 1 is characterized in that, described fire retardant is the fire-retardant graphite crossed as modifier modification through silane coupling agent and the mixture of antimonous oxide.
4. flame retardant type polysulfide sealant as claimed in claim 3 is characterized in that, described silane coupling agent adopts γ-glycidyl ether oxygen propyl trimethoxy silicane.
5. flame retardant type polysulfide sealant as claimed in claim 3 is characterized in that, the mean particle size of the fire-retardant graphite in the described fire retardant is 1500～3000 orders, and the median size of antimonous oxide is 0.3～1 micron.
6. flame retardant type polysulfide sealant as claimed in claim 1 is characterized in that, described tackifier are any or any several mixture in Gum Rosin, the terpine resin.
7. flame retardant type polysulfide sealant as claimed in claim 1 is characterized in that, described softening agent is any or any several mixture in dibutyl phthalate, dioctyl phthalate (DOP), tributyl citrate, toluene, the dimethylbenzene.
8. as claim 1 or 7 described flame retardant type polysulfide sealants, it is characterized in that described softening agent is the mixture of tributyl citrate and dibutyl phthalate.
9. flame retardant type polysulfide sealant as claimed in claim 1 is characterized in that, described filler is any or any several mixture in kaolin, talcum powder, titanium dioxide, aerosil, the carbon black.
10. the preparation method of a flame retardant type polysulfide sealant is characterized in that, this method comprises:
Get each raw material of preparation flame retardant type polysulfide sealant by aforesaid right requirement 1～9 each described sealant formula;
Filler, fire retardant were dried 1 hour at 60～80 ℃; Filler, fire retardant and liquid silane modified polysulfide rubber after the oven dry, tackifier, softening agent are dropped into kneader and mix, the paste that obtains after the mixing grinds through colloidal mill, dewater under vacuum state through reactor then, promptly make the flame retardant type polysulfide sealant of this single-component.
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| CN 201110255999 CN102277125B (en) | 2011-08-31 | 2011-08-31 | Flame-retardant polysulfide sealant and preparation method thereof |
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| CN 201110255999 CN102277125B (en) | 2011-08-31 | 2011-08-31 | Flame-retardant polysulfide sealant and preparation method thereof |
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| CN102277125B CN102277125B (en) | 2013-09-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059800A (en) * | 2012-12-26 | 2013-04-24 | 华南理工大学 | Silane-terminiated polysulfide rubber sealant and preparation method thereof |
| CN106244089A (en) * | 2016-08-22 | 2016-12-21 | 广东纳路纳米科技有限公司 | A kind of flame resistant glass modified Nano is combined polysulfide sealant and preparation thereof |
| CN110628379A (en) * | 2019-10-31 | 2019-12-31 | 南通市开泰高分子材料有限公司 | Flame-retardant polysulfide sealant |
| CN111270954A (en) * | 2020-04-03 | 2020-06-12 | 金华市铨沥科技有限公司 | Sandglass window without window curtain |
| CN111961408A (en) * | 2020-06-24 | 2020-11-20 | 厦门中思诺新材料有限公司 | Bottom sealant special for stone wet pasting and preparation method thereof |
| CN112795363A (en) * | 2021-01-14 | 2021-05-14 | 江西兴宇汽车零部件有限公司 | Environment-friendly flame-retardant polysulfide sealant and production method thereof |
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| CN1978489A (en) * | 2006-11-30 | 2007-06-13 | 华南理工大学 | Silicane terminated polysulfide rubber, and its preparing method |
| CN101323774A (en) * | 2008-07-28 | 2008-12-17 | 公安部四川消防研究所 | Expansion type fireproofing glue strip for construction |
| CN101497780A (en) * | 2009-02-26 | 2009-08-05 | 南京大学 | Silane compound enhanced polysulfide sealant |
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2011
- 2011-08-31 CN CN 201110255999 patent/CN102277125B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978489A (en) * | 2006-11-30 | 2007-06-13 | 华南理工大学 | Silicane terminated polysulfide rubber, and its preparing method |
| CN101323774A (en) * | 2008-07-28 | 2008-12-17 | 公安部四川消防研究所 | Expansion type fireproofing glue strip for construction |
| CN101497780A (en) * | 2009-02-26 | 2009-08-05 | 南京大学 | Silane compound enhanced polysulfide sealant |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059800A (en) * | 2012-12-26 | 2013-04-24 | 华南理工大学 | Silane-terminiated polysulfide rubber sealant and preparation method thereof |
| CN103059800B (en) * | 2012-12-26 | 2014-11-12 | 华南理工大学 | Silane-terminiated polysulfide rubber sealant and preparation method thereof |
| CN106244089A (en) * | 2016-08-22 | 2016-12-21 | 广东纳路纳米科技有限公司 | A kind of flame resistant glass modified Nano is combined polysulfide sealant and preparation thereof |
| CN106244089B (en) * | 2016-08-22 | 2019-05-14 | 广东纳路纳米科技有限公司 | A kind of compound polysulfide sealant of flame resistant glass modified Nano and its preparation |
| CN110628379A (en) * | 2019-10-31 | 2019-12-31 | 南通市开泰高分子材料有限公司 | Flame-retardant polysulfide sealant |
| CN111270954A (en) * | 2020-04-03 | 2020-06-12 | 金华市铨沥科技有限公司 | Sandglass window without window curtain |
| CN111961408A (en) * | 2020-06-24 | 2020-11-20 | 厦门中思诺新材料有限公司 | Bottom sealant special for stone wet pasting and preparation method thereof |
| CN112795363A (en) * | 2021-01-14 | 2021-05-14 | 江西兴宇汽车零部件有限公司 | Environment-friendly flame-retardant polysulfide sealant and production method thereof |
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| CN102277125B (en) | 2013-09-18 |
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Owner name: LIAONING SHUANGQIANG PLASTIC INDUSTRY DEVELOPMENT Free format text: FORMER NAME: LIAONING SHUANGQIANG PLASTIC TECHNOLOGY DEVELOPMENT CO.,LTD. |
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Address after: 114100 Liaoning city of Anshan province Taian County Industrial Park Patentee after: LIAONING SHUANGQIANG PLASTIC INDUSTRY DEVELOP CO., LTD. Address before: 114100 Liaoning city of Anshan province Taian County Industrial Park Patentee before: Liaoning Shuangqiang Plastic Technology Development Co.,Ltd. |