Polymer Technology

Which of the following polymers belong to the class of formaldehyde resin ?

Byadmin March 7, 2019August 25, 2021

Which of the following polymers belong to the class of formaldehyde resin ?

A. Melamine resins
B. Teflon
C. Dacron
D. None of these

Polymer Technology

Dacron is a/an ___________________?

Dacron is a/an ___________________?

A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer

Read More Dacron is a/an ___________________?
Polymer Technology

Bristles of tooth brushes are made of_______________?

Bristles of tooth brushes are made of_______________?

A. Nylon-6
B. Nylon-66
C. Polystyrene
D. PVC

Read More Bristles of tooth brushes are made of_______________?
Polymer Technology

Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are added to polymers to act as __________________?

Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are added to polymers to act as __________________?

A. Hardeners
B. Anti-shrinkage agents
C. Plasticisers
D. Transparency improver

Read More Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are added to polymers to act as __________________?
Polymer Technology

_____________ is a thermosetting plastic ?

_____________ is a thermosetting plastic ?

A. PVC
B. Polythene
C. Bakelite
D. Polystyrene

Read More _____________ is a thermosetting plastic ?
Polymer Technology

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the _____________ fibres?

In case of wet sning of polymers, the polymer solution is forced through snerates into, a coagulating bath to give a filament form. Wet sning is not used in case of the _____________ fibres?

A. Viscose rayon
B. Acrylic
C. Polyvinyl acetate
D. Saturated polyester

Read More In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the _____________ fibres?
Polymer Technology

Which of the following is not a polymer of two monomers ?

Which of the following is not a polymer of two monomers ?

A. Teflon
B. Bakelite
C. SBR
D. None of these

Read More Which of the following is not a polymer of two monomers ?

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