Question

A fluorocarbon-based soil release finish consists of alternating hydrophobic blocks and hydrophilic blocks arranged side by side on fabric surface. The correct statement(s) amongst the following is/are

• A. In dry state, the hydrophobic blocks shield the hydrophilic blocks to repel soil
• B. During washing, the hydrophilic blocks swell and facilitate release of soil
• C. In dry state, the hydrophilic blocks shield the hydrophobic blocks to repel soil
• D. During washing, the hydrophobic blocks swell and facilitate release of soil

Answer 1

Answer: (A), (B)

In dry state, the hydrophobic blocks shield the hydrophilic blocks to repel soil

Answer 2

The correct options are (A):During washing, the hydrophilic blocks swell and facilitate release of soil ,(B):During washing, the hydrophilic blocks swell and facilitate release of soil