Block aerogel composite material and preparation method thereof
A composite material and aerogel technology, applied in the field of bulk aerogel composite materials and their preparation, can solve the problems of breaking or separating from fibers, falling off of aerogel fragments, and high hardness of the composite, so as to improve mechanical properties. , The effect of reducing preparation cost and high specific surface area
Inactive Publication Date: 2012-12-05
GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS
9 Cites 42 Cited by
AI-Extracted Technical Summary
Problems solved by technology
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreMethod used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreAbstract
The invention discloses a block aerogel composite material and a preparation method thereof. The block aerogel composite material consists of reticular cellulose nano fiber skeletons and sol in a combining way, wherein the porosity of the aerogel composite material is 80-99.5 percent, the density is 0.015-0.680g/cm<3>, the BET specific surface area is 150-1200m<2>/g, the coefficient of heat conductivity is 0.015-0.045Wm<-1>k<-1> and the modulus of elasticity is 0.5-150MPa. The block aerogel composite material provided by the embodiment of the invention has the advantages that since the material consists of the reticular cellulose nano fiber skeletons and the sol in the combining way, the mechanical property of the block aerogel composite material can be obviously improved, the heat conductivity is low, the density is small and the specific surface area is large; and besides, the equipment cost can be decreased by adopting a relatively low and safe freeze-drying method to replace the traditional supercritical drying method.
Technology Topic
Image
Examples
- Experimental program(6)
- Comparison scheme(1)
Example Embodiment
Example Embodiment
Example Embodiment
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more PUM
Property | Measurement | Unit |
Size | 50.0 ~ 1500.0 | mm |
Size | 40.0 ~ 1000.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
Description & Claims & Application Information
We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more Similar technology patents
Single-core cable insulating rubber for low-smoke and zero-halogen flame-resistant rail vehicle with rated voltage of 3000V
ActiveCN101914244ASmall compression deformationImprove mechanical propertiesRubber insulatorsInsulated cablesHalogenFlame resistance
Owner:JIANGSU JUYE CABLE
Grafted modified starch slurry
InactiveCN102050925AImprove mechanical propertiesSave raw materials and energyFibre treatmentButyl methacrylateAmmonium sulfate
Owner:四川海旺科技有限公司
Carbon nanotube fiber and method for producing the same
InactiveUS20140217643A1Improve mechanical propertiesMaterial nanotechnologyCeramic shaping apparatusCarbon nanotubeFiber
Owner:HONDA MOTOR CO LTD
High tenacity halogen-free flame-retardant glass fiber reinforced polycarbonate composition
InactiveCN101469112AImprove mechanical propertiesImprove notched impact strengthPolycarbonateHalogen
Owner:HEFEI GENIUS NEW MATERIALS
Improved 6063 aluminium alloy materials
ActiveCN1456697AImprove mechanical propertiesImprove thermal conductivityRare-earth elementAluminium alloy
Owner:广东广铝铝型材有限公司
Classification and recommendation of technical efficacy words
- Low thermal conductivity
- Improve mechanical properties
High temperature resistant insulation for pipe
ActiveUS20100043906A1Low thermal conductivityImprove thermal stabilityThermal insulationSynthetic resin layered productsBisphenol-A-polycarbonatePolyetherimide
Owner:SHAWCOR LTD
Foam/Aerogel Composite Materials for Thermal and Acoustic Insulation and Cryogen Storage
ActiveUS20080087870A1Low thermal conductivityBetter acoustic insulationSpecial tyresAerogel preparationThermal insulationAirplane
Owner:NASA
Phononic Metamaterials
InactiveUS20170047499A1Low thermal conductivityMaterial nanotechnologyImpedence networksThermoelectric energy conversionThermal conductivity
Owner:UNIV OF COLORADO THE REGENTS OF