HEAT INSULATING COMPOSITION, METHOD OF PRODUCING HEAT INSULATING COMPOSITION, AND USE OF HEAT INSULATING COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a heat insulating composition having excellent heat insulating property and transparency, a method of producing the heat insulating composition, a film, a coating, a window material and an exterior material using the heat insulating composition.SOLUTION: A heat insulating composition includes a hollow particle having an external diameter of 10 nm or more and 30 nm or less and having an inner diameter of 5 nm or more and 25 nm or less, and a binder resin. The solid content of hollow particles is in the range of 10 vol.% or more and 70 vol.% or less.