CN104844830A - Aerogel composite modified fire retardant and preparation method and application thereof - Google Patents

Aerogel composite modified fire retardant and preparation method and application thereof Download PDF

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Publication number
CN104844830A
CN104844830A CN201510189029.3A CN201510189029A CN104844830A CN 104844830 A CN104844830 A CN 104844830A CN 201510189029 A CN201510189029 A CN 201510189029A CN 104844830 A CN104844830 A CN 104844830A
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CN
China
Prior art keywords
fire retardant
aerogel
composite modified
fire
retardant
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Pending
Application number
CN201510189029.3A
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Chinese (zh)
Inventor
史继超
辛春华
阮丰乐
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SHANGHAI YINGSHUO POLYMERIC MATERIAL CO Ltd
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SHANGHAI YINGSHUO POLYMERIC MATERIAL CO Ltd
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Priority to CN201510189029.3A priority Critical patent/CN104844830A/en
Publication of CN104844830A publication Critical patent/CN104844830A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an aerogel composite modified fire retardant and its preparation method and application. The aerogel composite fire retardant is formed by composite processing of silica aerogel particles, ammonium biphosphate, diammonium phosphate, sodium dodecanesulphonate and urea which are used as raw materials. The hydrophobic silica aerogel particle composite modified fire retardant provided by the invention has excellent fire resistance, heat preservation and insulation performance, sound insulation performance and light weight. Thus, problems of high heat conduction, heavy weight, high water absorption and the like of a traditional fire retardant are solved. The fire retardant provided by the invention can be used for fire protection and modification of building materials and in the fields of various cloth materials, plywood and the like. By the use of the product provided by the invention, safe and reliable fireproof guarantee can be provided for high-rise buildings, public amenities, hotels, residential buildings and the like.

Description

Composite modified fire retardant of aerogel and preparation method thereof, purposes
Technical field
The present invention relates to a kind of functional aid of combustible polymers, be specifically related to composite modified fire retardant of a kind of aerogel and preparation method thereof, purposes.
Background technology
In recent years, urban architecture is more and more higher, and fire of high-rise building also emerges in an endless stream, and becomes worse.China is as real estate big country, the aspects such as building safety fire prevention are more and more paid attention to, particularly Beijing CCTV building, Shanghai " 11.15 " big fire are by the big fire caused at exterior wall heat insulating material for external, cause relevant competent authorities of country to start to pay close attention to the fire resistance of external wall outer insulation material, the Ministry of Public Security and with issued No. 65 file strengthened residential architecture external wall outer insulation material fire resistance and require in mid-March, 2011.In traditional lagging material, organic lagging material system occupies most market share with advantages such as the accessibility of the heat insulation effect of its excellence, lighter density of material, operation.Although organic lagging material advantage is a lot of but its fatal defects is can not be fire-retardant, makes it there is huge disaster hidden-trouble in construction process, practical application, and also likely become the accomplice of fire spreading in its fire hazard environment.Therefore, the burning grade how promoting existing organic materials further reaches B1 level flame retardant properties, becomes study hotspot.
Extensively research adopts fire retardant to carry out flame-retardant modified to organic materials now, and the good effect obtained, but the interpolation of these fire retardants also greatly reduces the performance of organic materials, as performances such as heat insulating, sound insulation, hydrophobicitys, and add the deadweight of organic materials, bring the problems such as application property.
Therefore, the present invention adopts has the hydrophobic silica aerogel Particles dispersed modified flame-retardant agent of excellent thermal insulation heat-insulating property, sound-proofing properties, light weight, thus solves that the heat conduction that conventional flame retardant brings is high, sound insulation is poor, quality weight, and the problem such as water suction.
Summary of the invention
The object of the invention is to the defect for existing organic materials fire retardant, composite modified fire retardant of a kind of aerogel and preparation method thereof, purposes are provided.The present invention adopts has the hydrophobic silica aerogel Particles dispersed modified flame-retardant agent of excellent thermal insulation heat-insulating property, sound-proofing properties, light weight, thus solves that the heat conduction that conventional flame retardant brings is high, quality weight, and the problem such as water-intake rate is large.
The object of the invention is to be achieved through the following technical solutions:
The present invention relates to the composite modified fire retardant of a kind of aerogel, described aerogel composite flame-retardant agent comprises each component of following weight part content:
Preferably, the porosity of described hydrophobic silica aerogel particle is greater than 60%, thermal conductivity is less than 0.03w/mk.When porosity is less than 60%, silica aerogel particles unit weight is large, hydrophobicity is poor, thermal conductivity is high; When thermal conductivity is greater than 0.03w/mk, silica aerogel particles poor thermal insulation property.
Preferably, the amount ratio of described primary ammonium phosphate, Secondary ammonium phosphate, urea is 13: 5: 1.Contriver surprisingly finds, when the amount ratio of primary ammonium phosphate, Secondary ammonium phosphate, urea is 13: 5: 1, the flame retardant resistance of the composite modified fire retardant of aerogel of the present invention obtains and improves extremely significantly.More preferably the amount ratio of silica aerogel particles and urea is 3 ~ 4: 1.
The invention still further relates to the preparation method of the composite modified fire retardant of a kind of aerogel, by described silica aerogel particles, primary ammonium phosphate, Secondary ammonium phosphate, sodium laurylsulfonate and urea mix and blend 10 ~ 30 minutes, obtain the composite modified fire retardant of described aerogel.
The invention still further relates to the composite modified fire retardant of a kind of aerogel for the purposes in fire-protection modifying building material material.
The invention still further relates to the composite modified fire retardant of a kind of aerogel for the purposes in fire-protection modifying cloth or wooden splint.
The composite modified fire retardant of aerogel of the present invention can be used for the fire-protection modifying of building material material, and in the field such as various cloth and wooden splint, thus realizes fire protection flame retarding, sound insulation, insulation, the effect such as hydrophobic.
Compared with prior art, the present invention has following beneficial effect:
Fire retardant provided by the invention comprises silica aerogel particles, hydrophobic silica aerogel Particles dispersed modified flame-retardant of the present invention agent has excellent heat preservation and insulation, flame retardant resistance, sound-proofing properties, light weight, thus solve that the heat conduction that brings of conventional flame retardant is high, quality weight, and the problem such as water-intake rate is large.Use this product will to Highrise buildings, place of public amusement, hotel and residential building etc. provide the fire prevention guarantee of safety and reliability.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
embodiment 1
The present embodiment relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 5 parts, primary ammonium phosphate 60 parts, Secondary ammonium phosphate 25 parts, sodium laurylsulfonate 2 parts and 1 part, urea.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 10 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=34%.
embodiment 2
The present embodiment relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 10 parts, primary ammonium phosphate 70 parts, Secondary ammonium phosphate 5 parts, sodium laurylsulfonate 6 parts and 3 parts, urea.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 15 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=36%.
embodiment 3
The present embodiment relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 20 parts, primary ammonium phosphate 78 parts, Secondary ammonium phosphate 30 parts, sodium laurylsulfonate 10 parts and 6 parts, urea.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 30 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=38%.
comparative example 1
This comparative example relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 10 parts, 70 parts, aluminium hydroxide, antimonous oxide 8 parts, sodium laurylsulfonate 6 parts.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 20 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=32%.
comparative example 2
This comparative example relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 10 parts, primary ammonium phosphate 70 parts, Secondary ammonium phosphate 5 parts and 9 parts, urea.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 20 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=32%.
comparative example 3
This comparative example relates to the composite modified fire retardant of a kind of aerogel, and it is prepared as follows:
Take respectively and be made up of the raw material of following weight part: silica aerogel particles 10 parts, primary ammonium phosphate 70 parts, Secondary ammonium phosphate 5 parts, sulphosuccinates 6 parts and 3 parts, urea.
Rendered in proportion in stirrer by above-mentioned all raw materials, uniform stirring can use for 20 minutes.
According to GB GB50222 (code for fire prevention design of interior decoration of buildings), GB GB5454 (textile combustion performance measurement, oxygen index method), GB GB8624 (Classification on burning behaviour for building materials), regulation oxygen index is tested, the performance perameter of this fire retardant sample is as follows: oxygen index: >=32%.
In sum, fire retardant provided by the invention comprises silica aerogel particles, not only increases flame retardant properties, and has enhancement function in heat-insulation and heat-preservation, water resistance etc.The present invention adopts has the hydrophobic silica aerogel Particles dispersed modified flame-retardant agent of excellent thermal insulation heat-insulating property, sound-proofing properties, light weight, thus solves that the heat conduction that conventional flame retardant brings is high, quality weight, and the problem such as water suction.Use this product will to Highrise buildings, place of public amusement, hotel and residential building etc. provide the fire prevention guarantee of safety and reliability.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (6)

1. the composite modified fire retardant of aerogel, is characterized in that, described aerogel composite flame-retardant agent comprises each component of following weight part content:
2. the composite modified fire retardant of aerogel as claimed in claim 1, it is characterized in that, the amount ratio of described primary ammonium phosphate, Secondary ammonium phosphate, urea is 13: 5: 1.
3. the composite modified fire retardant of aerogel according to claim 1, is characterized in that, the porosity of described hydrophobic silica aerogel particle is greater than 60%, thermal conductivity is less than 0.03w/mk.
4. the preparation method of the composite modified fire retardant of aerogel as claimed in claim 1, it is characterized in that, by described silica aerogel particles, primary ammonium phosphate, Secondary ammonium phosphate, sodium laurylsulfonate and urea mix and blend 10 ~ 30 minutes, obtain the composite modified fire retardant of described aerogel.
5. the composite modified fire retardant of aerogel as claimed in claim 1 is for the purposes in fire-protection modifying building material material.
6. the composite modified fire retardant of aerogel as claimed in claim 1 is for the purposes in fire-protection modifying cloth or wooden splint.
CN201510189029.3A 2015-04-17 2015-04-17 Aerogel composite modified fire retardant and preparation method and application thereof Pending CN104844830A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105820446A (en) * 2016-05-20 2016-08-03 唐洁净 Anti-aging flame-retardant polypropylene and preparation method thereof
CN107663078A (en) * 2017-10-19 2018-02-06 姜向军 A kind of preparation method of water-resistance fire-proof plate
CN109082884A (en) * 2018-08-10 2018-12-25 苏州市天翱特种织绣有限公司 A kind of anti-flaming thermal-insulation fabric
CN109081675A (en) * 2017-06-14 2018-12-25 天津城建大学 Multiple dimensioned galapectite-silicon dioxide composite aerogel material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101659823A (en) * 2009-09-27 2010-03-03 中国科学技术大学 Expanded type fireproof coating and preparation method thereof
CN102765725A (en) * 2012-08-10 2012-11-07 蓝烟(北京)科技有限公司 Method for preparing hydrophobic silica aerogel with low cost
CN104418331A (en) * 2013-09-04 2015-03-18 中国科学院上海硅酸盐研究所 Block hydrophobic silicon dioxide aerogel and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101659823A (en) * 2009-09-27 2010-03-03 中国科学技术大学 Expanded type fireproof coating and preparation method thereof
CN102765725A (en) * 2012-08-10 2012-11-07 蓝烟(北京)科技有限公司 Method for preparing hydrophobic silica aerogel with low cost
CN104418331A (en) * 2013-09-04 2015-03-18 中国科学院上海硅酸盐研究所 Block hydrophobic silicon dioxide aerogel and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105820446A (en) * 2016-05-20 2016-08-03 唐洁净 Anti-aging flame-retardant polypropylene and preparation method thereof
CN105820446B (en) * 2016-05-20 2018-01-16 宁波普莱斯帝金属制品有限公司 A kind of aging-resistant flame-proof profax and preparation method thereof
CN109081675A (en) * 2017-06-14 2018-12-25 天津城建大学 Multiple dimensioned galapectite-silicon dioxide composite aerogel material and preparation method thereof
CN107663078A (en) * 2017-10-19 2018-02-06 姜向军 A kind of preparation method of water-resistance fire-proof plate
CN109082884A (en) * 2018-08-10 2018-12-25 苏州市天翱特种织绣有限公司 A kind of anti-flaming thermal-insulation fabric

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Effective date of abandoning: 20180814