International Journal of Polymer Science

Research Article

Using of Hyperbranched Poly(amidoamine) as Pretanning Agent for Leather

Table 2

Effect of HPAM pre-tanning agent concentration on shrinkage temperature of chrome-tanned leather.
Sample codeHPAM
content (wt%)		Shrinkage temperature, °C
CTL (blank)0.087
HP-CTL13.098
HP-CTL25.0105
HP-CTL38.0107