Solidia Technologies, Inc.

Asahi Kasei Construction Materials Corporation

Hirotaka Takase

Vahit Atakan

Sadananda Sahu

Yoshihito Fukasawa

Omkar Deo

David Vuong

Takayuki Kamata

Katsuhiko Kanno

An aerated composite material produced from carbonatable calcium silicate compositions (carbonation cured AAC) that has a compressive strength equivalent to autoclaved aerated concrete (ordinary AAC) at substantially the same density and a process of production of the same are provided. The composite material of the present invention comprises: a plurality of bonding elements, each including a core comprising calcium silicate, a first layer which partially or fully surrounds the core and is rich in SiO, and a second layer which partially or fully surrounds the first layer and is rich in CaCO; a plurality of filler particles having their particle sizes ranging from 0.1 &#x3bc;m to 1000 &#x3bc;m; and a plurality of voids; wherein the plurality of bonding elements and plurality of filler particles together form a bonding matrix and are substantially evenly dispersed in the matrix and bonded together, the plurality of voids are bubble-shaped and/or interconnected channels, a pore volume with a radius of 0.004 &#x3bc;m to 10.0 &#x3bc;m in the plurality of voids is 0.30 ml/composite material 1 g or less, and a estimated compressive strength expressed by the following formula (1): estimated compressive strength (absolute dry density=0.50)=compressive strength&#xd7;(0.50+absolute dry density)is 2.0 N/mmor greater.

Lightweight composite materials produced from carbonatable calcium silicate and methods thereof

Growing community of inventors

Tokyo, Japan

Hirotaka Takase