Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?
Correct answer: D. For fibre making
- A. For surface coating of automobiles & air crafts
- B. For film forming materials
- C. As plasticiser for PVC & nitrocellulose
- D. For fibre making
Explanation
Glyptal and other alkyd resins are used in coatings, films and sometimes as plasticisers, but they are not normally used for making fibres. Their cross-linked film-forming behaviour makes them valuable in surface finishes.
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