| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating method of a material by which lots of core material can be covered while the amt. of a coating material is decreased as much as possible and heat resistance can be given to the core material to be coated. SOLUTION: This coating method of a material includes a process for dissolving or dispersing various kinds of material as the core material in an acid chitosan soln. and a process for adding alkali to the obtd. soln. so as to control pH to 7 to 8. |
