Question
Which material is most commonly used for the manufacture of Polyester resin ?
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
Glycols
Polyester Resin Manufacture Material
Polyester resin is synthesized through a chemical process. This process involves the reaction between specific types of chemical compounds.
Key Reactants for Polyester Synthesis
- The primary chemical building blocks for polyester resins are typically a diol and a diacid (or its derivative).
- Glycols, which are a type of diol (containing two alcohol groups), are essential components in this reaction.
- For instance, common polyesters like PET (Polyethylene Terephthalate) are made using ethylene glycol (a specific type of glycol) and terephthalic acid.
Role of Glycols
Glycols provide the alcohol part needed for the esterification reaction that forms the polyester chain. Therefore, they are a fundamental raw material required for the manufacture of polyester resin.
Analysis of Options
- Paper: Not a direct raw material for polyester resin synthesis.
- Metal: Not used in the chemical synthesis of polyester resin.
- Plastic: Generally a product made *from* polyester resin, not a raw material *for* it.
- Glycols: A key chemical reactant essential for producing polyester resin.
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