Polyesters and Polyamides Flashcards

1
Q

What is condensation in terms of polymers

A

Small molecule eliminated to form a larger molecule

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2
Q

What properties do these monomers forming condensation polymers have

A

Each has two functional groups

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3
Q

Examples of condensation polymers

A

Polyesters

Polyamides

Polypeptides

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4
Q

What is the linkage in a polyester

A

Ester bond

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5
Q

What molecule is eliminated in formation of a polyester

A

Water

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6
Q

What is terylene used for

A

As a fibre for making clothes

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7
Q

Which monomers is terylene made from

A

Benzene - 1, 4 - dicarboxylic acid

Ethane - 1,2 - diol

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8
Q

What is the linkage inn a polyamide

A

The peptide bond

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9
Q

What are the two monomers used to form a polyamide

A

Diamine and dicarboxylic acid

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10
Q

Examples of polyamides

A

Nylon

Kevlar

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11
Q

Which monomers is Nylon - 6,6 made from

A

1,6 - diaminohexane

Hexanedioic acid

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12
Q

Which monomers make up Kevlar

A

1,4 - diaminobenzene

Benzene - 1,4 - dicarboxylic acid

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13
Q

Why are poly(alkenes) not biodegradable

A

Non-polar C-H and C-C bonds

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14
Q

Why is it bad to burn poly(alkenes)

A

Releases CO2, CO, c and other toxic chemicals from monomers

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15
Q

Why can condensation polymers be broken down

A

They have polar bonds

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16
Q

How are condensation polymers broken down

A

Hydrolysis

17
Q

Why do polyesters not show hydrogen bonding

A

All O-H bonds are removed during polymerisation