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Questions and Answers
What is a monomer?
What is a monomer?
- A macromolecule of high molecular mass built up by the linking together of small repeated units
- A form of composite material used in robotic devices
- A simple chemical substance of low molecular weight that can be converted into a polymer (correct)
- A type of conducting polymer used in electronic industry
What are the properties used to characterize polymers?
What are the properties used to characterize polymers?
- Molecular weight, Crystallinity, Tg, Tm, Melt flow index (MFI) (correct)
- Solubility, Refractive index, Surface tension, Heat capacity
- Melting point, Color, Elasticity, Hardness
- Density, Boiling point, Conductivity, Viscosity
What distinguishes thermoplastic from thermosetting polymers?
What distinguishes thermoplastic from thermosetting polymers?
- Thermoplastics have higher melting points than thermosetting polymers
- Thermoplastics are harder and more brittle than thermosetting polymers
- Thermoplastics are poor electrical insulators compared to thermosetting polymers
- Thermoplastics can be remelted and reshaped, while thermosetting polymers remain in a permanent solid state once cured (correct)
What are specialty polymers?
What are specialty polymers?
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In which industry are polymers commonly used?
In which industry are polymers commonly used?
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What are specialty polymers?
What are specialty polymers?
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