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Which of the given polymers are hard at room temperature and soft at high temperature?

harry32

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Which of the given polymers are hard at room temperature and soft at high temperature?

Question 1.

The melt transition temperature (Tm), is the temperature at which the ________ regions of the polymers become ________.

▸ crystalline; amorphous

▸ crystalline; hard

▸ amorphous; hard

▸ non-crystalline; soft

▸ none of these

Question 2.

Which of the given polymers are hard at room temperature and soft at high temperature?

▸ thermosetting resins

▸ fibers

▸ elastomers

▸ thermoplastics

▸ plasticizers

Textbook

Organic Chemistry

Organic Chemistry

Edition: 4^th

Author: Klein

Read 117 times

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