Question
Download Solution PDFWhich one among the following is commonly used as an ‘anti-skinning agent’ in paints ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Anti-Skinning Agents in Paints
- Anti-skinning agents are additives used in paints and coatings to prevent the formation of a skin or film on the surface of the paint during storage.
- These agents work by inhibiting the oxidation of the paint's components, which is the primary cause of skin formation.
- Commonly used anti-skinning agents include compounds that can act as antioxidants or oxygen scavengers.
EXPLANATION:
| Compound | Description | Commonly Used as Anti-Skinning Agent |
|---|---|---|
| Gelatin | Gelatin is a protein derived from collagen. | No |
| N-methyl pyrrolidone | N-methyl pyrrolidone is a solvent used in various applications. | No |
| Pyridine | Pyridine is a basic heterocyclic organic compound. | No |
| Polyhydroxy phenol | Polyhydroxy phenol is known to be used as an anti-skinning agent in paints because it acts as an antioxidant, preventing the oxidative polymerization of the paint film. | Yes |
Therefore, the commonly used anti-skinning agent in paints is Polyhydroxy phenol.
Last updated on May 30, 2025
->UPSC has released UPSC NDA 2 Notification on 28th May 2025 announcing the NDA 2 vacancies.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced for cycle 2. The written examination will be held on 14th September 2025.
-> Earlier, the UPSC NDA 1 Exam Result has been released on the official website.
-> The selection process for the NDA exam includes a Written Exam and SSB Interview.
-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100.
-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential.