Table 2 Conditions for the decomposition of hydroquinone-substituted polyallylamine.a

From: Hydroquinone-substituted polyallylamine: redox capability for aqueous polymer–air secondary batteries and recyclability

Run

Type of 15 M acid

Reaction time (hours)

Decomposition rateb (%)

1

Sulfuric acid

48

76

2

Sulfuric acid

72

91

3

Acetic acid

72

60

  1. aReaction condition: PDA (0.54 mmol) in 15 M sulfuric acid or acetic acid aqueous solution (10.8 mmol) at 80 °C
  2. bThe decomposition rate was calculated from the ratio of the degree of substitution before and after the decomposition reaction