| 摘要 |
PROBLEM TO BE SOLVED: To provide a reversible recording medium having fixability of the degree not easily taking out a writing part even by a contact of the writing part with another document or the like and capable of writing by a writing instrument and removing a writing composition on the medium without retaining by an eraser or the like such as a nonwoven fabric, paper, sponge, rubber, cloth or the like. SOLUTION: The reversible recording medium capable of repeatedly rewriting and displaying has a dynamic swept-back contact angle of a surface of the medium to a distilled water of a range of 75 to 110 degrees. |
