Technical Information
Degree of polymerization and degree of hydrolysis of PVA
The property of PVA is affected by degree of polymerization (DP) and degree of hydrolysis (DH). The following table shows the relation between DP and DH.



Polymerization degree Hydrolysis degree
High
1700-2400		 Low
500-600		 High
98-99		 Low
87-89
solubility
viscosity of
aqueous solution
film strength
moisture absorption
property
: Higher efficiency of performance
: Normal efficiency of performance

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