Nylon-6 is a_________________?
Nylon-6 is a_________________?
A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these
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Thermosetting polymers as compared to thermoplastic polymers
Question: Thermosetting polymers as compared to thermoplastic polymers
[A].are formed by addition polymerisation. [B].
have three dimensional structure. [C].
have linear structure. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.
In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of__________________?
In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of__________________?A. Cross linked polystyrene
B. Phenol formaldehyde resins
C. Polyesters
D. Polyamides_____________ moulding is used for shaping of thermosetting plastics exclusively?
_____________ moulding is used for shag of thermosetting plastics exclusively?A. Compression
B. Injection
C. Transfer
D. ExtrusionPerspex can be used as a substitute of glass. Its monomer is__________________?
Perspex can be used as a substitute of glass. Its monomer is__________________?A. Methyl methacrylate
B. DMT
C. Butadiene
D. TetrafluoroethyleneMelt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the _____________ fibres?
Melt sning of polymers involves the forcing of polymer melt through snerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt sning is not used in case of the _____________ fibres?A. Acrylic
B. Polyester
C. Nylon 6:6
D. PolypropyleneZeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?
Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?A. Vinyl acetate
B. Vinyl chloride
C. Propylene
D. Styrene