| 简介 |
PROBLEM TO BE SOLVED : To provide release paper base paper that is excellent in filling property and water resistance.SOLUTION : The release paper base paper contains a vinyl alcohol-based polymer including a monomer unit having a group represented by the following formula (1) and satisfies the following formula (I). (In the formula (1), Ris a hydrogen atom or an alkyl group of a carbon number 1 to 5. Ris an alkoxyl group, an acyloxyl group, or a group represented by OM. M is a hydrogen atom, an alkali metal or an ammonium group. Rand Rare each independently a hydrogen atom or an alkyl group. "m" is an integer of 0-2. "n" is an integer of 3 or greater.) : 370≤P×S≤6, 000 ...(I). P is a viscosity average polymerization degree, and S is a content of the monomer unit (mol%). |
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