专利汇可以提供Colored perlite particle专利检索,专利查询,专利分析的服务。并且PURPOSE: The titled particles, prepared by forming colored protective layers consisting of a colored inorganic coating material and colloidal silica as a binder on the surfaces thereof, having improved water retaining property, water permeability, strength and water draining property, etc., having improved beautiful appearance, and useful as artificial earthing up, decorative materials, etc.
CONSTITUTION: Particles, obtained by incorporating (A) perlite particles, preferably 2W20mm particle diameter and 0.1W0.5kg/l bulk specific gravity, with (B) a colored inorganic coating material obtained by dispersing colloidal silica as a binder, an aggregate, e.g. calcium carbonate, a colored pigment, e.g. titanium white, and if necessary a viscosity increasing agent, e.g. hydroxyethyl cellulose, a film forming assistant, a dispersing agent, etc. in water under stirring, and having colored protective layers on the surfaces thereof.
COPYRIGHT: (C)1984,JPO&Japio,下面是Colored perlite particle专利的具体信息内容。
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