作者: Ken Ueda
DOI:
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摘要: This invention relates to solid writing materials capable of giving writings, drawings or markings which are readily erasable with a dry eraser such as blackboard eraser, fabric, etc. provides compositions for comprising (i) an emulsifiable polyethylene wax, (ii) liquid organic compound substantially incompatible the component and having specified boiling point viscosity, (iii) solvent dissolving uniformly dispersing components (iv) pigment.