Polymer Technology

The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?

Byadmin March 7, 2019August 25, 2021

The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?

A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation

Polymer Technology

Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically_________________?

Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically_________________?

A. Polymethyl methacrylate (PMMA)
B. Polytetrafluroethylene (PTFE)
C. Polycarbonates
D. Phenolic resins

Read More Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically_________________?
Polymer Technology

Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their________________?

Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their________________?

A. Molecular sizes
B. Magnitude of intermolecular forces
C. Resistance to heat
D. Polymerisation mechanism
Answer: Option B

Read More Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their________________?
Polymer Technology

Polymers are_________________?

Polymers are_________________?

A. Micro-molecules
B. Macromolecules
C. Sub-micromolecules
D. None of these

Read More Polymers are_________________?
CHEMICAL ENGINEERING | Polymer Technology

Buna-S is also called

Question: Buna-S is also called
[A].

polyurathane
[B].
SBR
[C].
teflon
[D].
bakelite

Answer: Option B

Explanation:

No answer description available for this question.

Read More Buna-S is also called
Polymer Technology

Neoprene is chemically known as _________________?

Neoprene is chemically known as _________________?

A. Polybutadiene
B. Styrene butadiene rubber (SBR)
C. Polyurethane
D. Poly chloroprene

Read More Neoprene is chemically known as _________________?
Polymer Technology

Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are____________________?

Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are____________________?

A. 50°C and 3 – 4 kg/cm2
B. 50°C and 1 kgf/cm2
C. 250°C and 10 kgf/cm2
D. 250°C and 1 kgf/cm2

Read More Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are____________________?

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