| abstract |
The invention discloses a kind of vacuum heat-insulating plate composite core material and preparation method, the composite core material is by nanometer Bi 2 Te 3 Modified cyanurotriamide formal fiber, nanoporous Zeolite modifying makrolon foamed thermal insulating and fiber aerogel composite press (10 12): (5 6): what the weight ratio of (2 4) was combined.The present invention screens inorganic nano particle modified organic fiber flexibility heat-insulating material, improves the anti-brittleness of core material；By carrying out efficient combination with Inorganic whisker expanded material, the thermal conductivity factor and density of core material further reduced, it is ensured that composite core material has preferable heat-insulating property. |