Lightweight clay and manufacturing method thereof
OwnerToshiyuki Yamamuroinventor
Life of this patent
Estimating the term…
Abstract
The present invention provides a lightweight clay which can be easily molded into a given shape, exhibits proper lightweight characteristics and storing characteristics, and can be manufactured at a low cost, and a manufacturing method thereof. In such a lightweight clay and the manufacturing method thereof, an average particle size of the organic hollow micro spheres is set to a value which falls within a range of 15 to 150 μm and, an addition quantity of the organic hollow micro spheres is set to a value which falls within a range of 0.1 to 6 weight % with respect to a total quantity of the lightweight clay, and whiteness degree(WL) measured in accordance with JIS L 0803 is set to not less than 50.
Claims16
A lightweight clay containing organic hollow micro spheres and a binder resin, the lightweight clay being characterized in that
- an average particle size of the organic hollow micro spheres is set to a value, which falls within a range of 15 to 150 μm,
- an addition quantity of organic hollow micro spheres is set to a value which is not more than 6 weight % of a total quantity of the lightweight clay, and
- the whiteness degree (WL) of the lightweight clay measured in accordance with JIS L 0803 is set to a value not less than 50.
A method of a lightweight clay for manufacturing a lightweight clay containing organic hollow micro spheres and a binder resin, the method being characterized in that
- an addition quantity of the organic hollow micro spheres having an average particle size which assumes a value falling within a range of 15 to 150 μm is set to a value below 6 weight % with respect to a total quantity,
- the organic hollow micro spheres and the binder resin are mixed using a kneader, and
- the whiteness degree (WL) of the lightweight clay measured in accordance with JIS L 0803 is set to a value, which is not less than 50.
Dependencies are inferred from the claim text.