Caprolactam is used for the manufacture of:
1. Nylon - 6
2. Teflon
3. Terylene
4. Nylon - 6, 6
A biodegradable polymer that can be prepared from glycine and aminocaproic acid is:
1. Nylon 2-nylon 6
2. PHBV
3. Buna-N
4. Nylon-6,6
Which of the following organic compounds polymerizes to form the polyester Dacron?
1. Propylene and para
2. Benzoic acid and ethanol
3. Terephthalic acid and ethylene glycol
4. Benzoic acid and para
The set of monomers that forms a biodegradable polymer is:
1. H2N-CH2-COOH and H2N-(CH2)5-COOH
2. HO-CH2-CH2-OH and HOOC-C6H4-COOH
3. C6H5-CH=CH2 and CH2=CH-CH=CH2
4. CH2=CH-CN and CH2=CH-CH=CH2
The polymer that can be classified as polyster polymer is:
1. Bakelite
2. Melamine
3. Nylon-66
4. Terylene
The structure of neoprene polymer is:
1. | 2. | ||
3. | 4. |
Which one of the following statements is not true?
1. | In vulcanization, the formation of sulphur bridges between different chains makes rubber harder and stronger |
2. | The natural rubber has the trans-configuration at every double bond |
3. | Buna-S is a copolymer of butadiene and styrene |
4. | Buna-S is a copolymer of butadiene and styrene |
[NH(CH2)6NHCO(CH2)4CO]n is a:
1. Co-polymer
2. Addition polymer
3. Thermo-setting polymer
4. Homopolymer