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Give the preparation, properties and uses of
(i) PMMA (ii) Silicone rubber (iii) BunaS.
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written 3.0 years ago by
teamques10
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Answer:
PMMA
It is prepared by polymerization of methyl-methacrylate which is an ester of methyl acrylic acid CH2 = C(CH3)-COOH in the presence of actyl peroxide. It is an acrylic polymer.
Properties and uses:
- Colorless, hard, thermoplastic and fairly rigid material.
- High softening temperature 130-140o C, becomes rubbery above 65oC. …
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