CN106589436A - Method for preparing nanopore aerogel composite pipe shell - Google Patents
Method for preparing nanopore aerogel composite pipe shell Download PDFInfo
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- CN106589436A CN106589436A CN201611147986.0A CN201611147986A CN106589436A CN 106589436 A CN106589436 A CN 106589436A CN 201611147986 A CN201611147986 A CN 201611147986A CN 106589436 A CN106589436 A CN 106589436A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic 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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
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- Chemical Kinetics & Catalysis (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention relates to a method for preparing nanopore aerogel composite pipe shell, and belongs to the technical field of heat preservation. The finished nanopore aerogel composite pipe shell is prepared by forming reelpipe, preparing a curing solution, and conducting curing and drying. The prepared nanopore aerogel composite pipe shell has the advantages of being low in volume-weight, small in heat conductivity coefficient, good in insulation effect and convenient to construct, the work efficiency can be greatly improved, and the construction cost is reduced.
Description
Technical field
The present invention relates to a kind of preparation method of nano-hole aerogel composite pipe shell, belongs to heat preservation technology field.
Background technology
Nanoporous aerogel insulation quilt is to be currently known the minimum heat-barrier material of heat conductivity, and it is aerosil
In being compound in fiber, with the easy Cai Jian ﹑ of Rou Ruan ﹑ Wu the overall characteristics such as hydrophobic of machine Fang Huo ﹑.It is mainly used in Gong industry Guan Dao ﹑ storage tanks, work
Industry body of heater, power plant, survival capsule, directly buried pipeline, injection machine, detachable muff, thickened oil recovery, transportation, household electrical appliance,
The insulation in the fields such as iron and steel, non-ferrous metal, glass.
Nano-hole aerogel felt is widely used on heat power equipment and pipeline, and its thickness is limited by base material Nomex thickness
System, generally 3mm, 6mm, 10mm.When adiabatic construction is carried out on pipeline（The especially less pipeline of diameter）, because it is curved
Bounce during song deformation is larger, and dust is big, lays that the number of plies is more, and when carrying out on-site cutting, spillage of material is big, wastes time and energy,
Difficulty of construction is big, and site environment is severe.In the market temporarily without nano-hole aerogel shell.
The content of the invention
It is an object of the invention to overcome above-mentioned weak point, there is provided a kind of preparation side of nano-hole aerogel composite pipe shell
Method.
According to the present invention provide technical scheme, a kind of preparation method of nano-hole aerogel composite pipe shell, by weight
Meter step is as follows：
（1）Pipe crimping molding：Inorfil resin cotton is adopted for base material, pipe crimping molding is carried out at 180-200 DEG C to it, specification is full
Sufficient necessary requirement, subsequently carries out solidifying and setting 6-8 hour at 180-200 DEG C, and shell unit weight is controlled in 60-70kg/m3；
（2）It is prepared by Maturing solution：Add in agitator 70-90 part Ludox, 8-12 part opacifiers, 8 parts of aerosils,
2 parts of hydrophober, 2800-3200r/min stirring 5-10min；It is standby with acid for adjusting pH value to 6-7；
（3）Ripening：By step（1）Gained shell step（2）The Maturing solution of preparation is impregnated, in being placed in hermetic container
Gel ripening 12-24h is carried out at 60-80 DEG C, the shell after ripening is obtained；
（4）It is dried：Shell after ripening is dried using supercritical drying process and is dried 16-24h, obtain final product product nano-pore
Aeroge composite pipe shell.
Step（1）The inorfil resin cotton is fiberglass resin cotton or silicon fiberized resin cotton.
Step（2）The opacifier is silicon carbide micro-powder or zirconium oxide.
Step（2）The hydrophober is hydroxy-silicone-oil emulsion or containing hydrogen silicone oil.
Step（2）The acid is oxalic acid or hydrochloric acid.
Step（3）Critical temperature control at 31.1 DEG C, critical pressure 7.29MPa.
Beneficial effects of the present invention：Nano-hole aerogel shell prepared by the present invention has that unit weight is low, heat conductivity is little, exhausted
Thermal effect is good, easy construction the characteristics of, can greatly improve work efficiency, reduce construction cost.
Specific embodiment
A kind of preparation method of nano-hole aerogel composite pipe shell of embodiment 1
（1）Pipe crimping molding：Inorfil resin cotton is adopted for base material, pipe crimping molding is carried out at 180 DEG C to it, specification meets institute
Needs are asked, and solidifying and setting are subsequently carried out at 180 DEG C 8 hours, and shell unit weight is controlled in 60kg/m3；
（2）It is prepared by Maturing solution：Add in agitator 70 parts of Ludox, 8 parts of opacifiers, 8 parts of aerosils, 2 parts hate
Water preparation, 2800r/min stirring 10min；It is standby with acid for adjusting pH value to 6；
（3）Ripening：By step（1）Gained shell step（2）The Maturing solution of preparation is impregnated, in being placed in hermetic container
Gel ripening 12-24h is carried out at 60-80 DEG C, the shell after ripening is obtained；
（4）It is dried：Shell after ripening is dried into 16h using supercritical drying process, product nano-hole aerogel is obtained final product
Composite pipe shell.
Step（1）The inorfil resin cotton is fiberglass resin cotton.
Step（2）The opacifier is silicon carbide micro-powder.The hydrophober is hydroxy-silicone-oil emulsion or containing hydrogen silicone oil.It is described
Acid is oxalic acid.
Step（3）Critical temperature control at 31.1 DEG C, critical pressure 7.29MPa.
It is as follows that embodiment 1 prepares gained nano-hole aerogel composite pipe shell important technological parameters：Unit weight：80kg/m, heat conduction
Coefficient≤0.023 W/mK；Hydrophobic rate：≥98%；Using temperature：Fiberglass type≤650 DEG C；Aluminium silicate fiber d type≤1000
℃。
A kind of preparation method of nano-hole aerogel composite pipe shell of embodiment 2, by weight step is as follows：
（1）Pipe crimping molding：Inorfil resin cotton is adopted for base material, pipe crimping molding is carried out at 200 DEG C to it, specification meets institute
Needs are asked, and solidifying and setting are subsequently carried out at 200 DEG C 6 hours, and shell unit weight is controlled in 60kg/m3；
（2）It is prepared by Maturing solution：Add in agitator 90 parts of Ludox, 8 parts of opacifiers, 8 parts of aerosils, 2 parts hate
Water preparation, 3200r/min stirring 5min；It is standby with acid for adjusting pH value to 7；
（3）Ripening：By step（1）Gained shell step（2）The Maturing solution of preparation is impregnated, in being placed in hermetic container
Gel ripening 12h is carried out at 80 DEG C, the shell after ripening is obtained；
（4）It is dried：Shell after ripening is dried into 24h using supercritical drying process, product nano-hole aerogel is obtained final product
Composite pipe shell.
Step（1）The inorfil resin cotton is silicon fiberized resin cotton.
Step（2）The opacifier is zirconium oxide.The hydrophober is containing hydrogen silicone oil.The acid is hydrochloric acid.
Step（3）Critical temperature control at 31.1 DEG C, critical pressure 7.29MPa.
It is as follows that embodiment 1 prepares gained nano-hole aerogel composite pipe shell important technological parameters：Unit weight：90kg/m, heat conduction
Coefficient≤0.023 W/mK；Hydrophobic rate：≥98%；Using temperature：Fiberglass type≤650 DEG C；Aluminium silicate fiber d type≤1000
℃。
A kind of preparation method of nano-hole aerogel composite pipe shell of embodiment 3, by weight step is as follows：
（1）Pipe crimping molding：Inorfil resin cotton is adopted for base material, pipe crimping molding is carried out at 180-200 DEG C to it, specification is full
Sufficient necessary requirement, subsequently carries out solidifying and setting 7 hours at 190 DEG C, and shell unit weight is controlled in 65kg/m3；
（2）It is prepared by Maturing solution：Add in agitator 75 parts of Ludox, 10 parts of opacifiers, 8 parts of aerosils, 2 parts hate
Water preparation, 3000r/min stirring 8min；It is standby with acid for adjusting pH value to 6.5；
（3）Ripening：By step（1）Gained shell step（2）The Maturing solution of preparation is impregnated, in being placed in hermetic container
Gel ripening 18h is carried out at 70 DEG C, the shell after ripening is obtained；
（4）It is dried：Shell after ripening is dried into 20h using supercritical drying process, product nano-hole aerogel is obtained final product
Composite pipe shell.
Step（1）The inorfil resin cotton is fiberglass resin cotton.
Step（2）The opacifier is silicon carbide micro-powder.The hydrophober is hydroxy-silicone-oil emulsion.The acid is hydrochloric acid.
Step（3）Critical temperature control at 31.1 DEG C, critical pressure 7.29MPa.
It is as follows that embodiment 1 prepares gained nano-hole aerogel composite pipe shell important technological parameters：Unit weight：100kg/m, leads
Hot coefficient≤0.023 W/mK；Hydrophobic rate：≥98%；Using temperature：Fiberglass type≤650 DEG C；Aluminium silicate fiber d type≤
1000℃。
Claims (6)
1. a kind of preparation method of nano-hole aerogel composite pipe shell, is characterized in that by weight step is as follows：
（1）Pipe crimping molding：Inorfil resin cotton is adopted for base material, pipe crimping molding is carried out at 180-200 DEG C to it, specification is full
Sufficient necessary requirement, subsequently carries out solidifying and setting 6-8 hour at 180-200 DEG C, and shell unit weight is controlled in 60-70kg/m3；
（2）It is prepared by Maturing solution：Add in agitator 70-90 part Ludox, 8-12 part opacifiers, 8 parts of aerosils,
2 parts of hydrophober, 2800-3200r/min stirring 5-10min；It is standby with acid for adjusting pH value to 6-7；
（3）Ripening：By step（1）Gained shell step（2）The Maturing solution of preparation is impregnated, in being placed in hermetic container
Gel ripening 12-24h is carried out at 60-80 DEG C, the shell after ripening is obtained；
（4）It is dried：Shell after ripening is dried into 16-24h using supercritical drying process, product nano-pore airsetting is obtained final product
Glue composite pipe shell.
2. the preparation method of nano-hole aerogel composite pipe shell as claimed in claim 1, is characterized in that：Step（1）It is described inorganic
Fibre resin cotton is fiberglass resin cotton or silicon fiberized resin cotton.
3. the preparation method of nano-hole aerogel composite pipe shell as claimed in claim 1, is characterized in that：Step（2）The shading
Agent is silicon carbide micro-powder or zirconium oxide.
4. the preparation method of nano-hole aerogel composite pipe shell as claimed in claim 1, is characterized in that：Step（2）The hydrophobic
Agent is hydroxy-silicone-oil emulsion or containing hydrogen silicone oil.
5. the preparation method of nano-hole aerogel composite pipe shell as claimed in claim 1, is characterized in that：Step（2）The acid is
Oxalic acid or hydrochloric acid.
6. the preparation method of nano-hole aerogel composite pipe shell as claimed in claim 1, is characterized in that：Step（3）It is described critical
Temperature control at 31.1 DEG C, critical pressure 7.29MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147986.0A CN106589436A (en) | 2016-12-13 | 2016-12-13 | Method for preparing nanopore aerogel composite pipe shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147986.0A CN106589436A (en) | 2016-12-13 | 2016-12-13 | Method for preparing nanopore aerogel composite pipe shell |
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| Publication Number | Publication Date |
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| CN106589436A true CN106589436A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611147986.0A Pending CN106589436A (en) | 2016-12-13 | 2016-12-13 | Method for preparing nanopore aerogel composite pipe shell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746210A (en) * | 2017-09-30 | 2018-03-02 | 烟台科立达节能科技有限公司 | Nanometer titanium dioxide silica aerogel composite pipe and preparation method thereof |
| CN109264487A (en) * | 2018-07-31 | 2019-01-25 | 湖北中嘉新材料有限公司 | A kind of ceramic nanofibers shell process units and production method |
Citations (4)
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|---|---|---|---|---|
| EP0989103A1 (en) * | 1998-09-24 | 2000-03-29 | Rockwool International A/S | Man-made vitreous fibre products for use in thermal insulation, and their production |
| CN1749214A (en) * | 2005-08-01 | 2006-03-22 | 中国人民解放军国防科学技术大学 | Aerogel heat insulation composite material and its preparing method |
| CN101219873A (en) * | 2007-01-12 | 2008-07-16 | 上海船舶工艺研究所 | Nano-porous thermal insulating material and method for producing the same |
| CN101671157A (en) * | 2009-09-22 | 2010-03-17 | 中国人民解放军海军工程大学 | High-efficiency insulating material used for high-temperature pipeline and preparation method thereof |
-
2016
- 2016-12-13 CN CN201611147986.0A patent/CN106589436A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0989103A1 (en) * | 1998-09-24 | 2000-03-29 | Rockwool International A/S | Man-made vitreous fibre products for use in thermal insulation, and their production |
| CN1749214A (en) * | 2005-08-01 | 2006-03-22 | 中国人民解放军国防科学技术大学 | Aerogel heat insulation composite material and its preparing method |
| CN101219873A (en) * | 2007-01-12 | 2008-07-16 | 上海船舶工艺研究所 | Nano-porous thermal insulating material and method for producing the same |
| CN101671157A (en) * | 2009-09-22 | 2010-03-17 | 中国人民解放军海军工程大学 | High-efficiency insulating material used for high-temperature pipeline and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 姜肇中等: "《玻璃纤维应用技术》", 31 January 2004, 中国石化出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746210A (en) * | 2017-09-30 | 2018-03-02 | 烟台科立达节能科技有限公司 | Nanometer titanium dioxide silica aerogel composite pipe and preparation method thereof |
| CN109264487A (en) * | 2018-07-31 | 2019-01-25 | 湖北中嘉新材料有限公司 | A kind of ceramic nanofibers shell process units and production method |
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Application publication date: 20170426 |