Polymers Flashcards
1
Q
What are the 2 types of condensation polymers?
A
- polyesters
- polyamides
2
Q
What monomers are polyesters formed from?
A
- dicarboxylic acids + diols
- or monomers containing a -COOH + an -OH
3
Q
What monomers are polyamides formed from?
A
- dicarboxylic acids + diamines
- or monomers containing a -COOH + an -NH2
4
Q
What conditions hydrolyse polyesters?
A
- hot, aqueous acidic/alkaline conditions
5
Q
What products form when polyesters are hydrolysed under aqueous acidic (slow rate) conditions?
A
- dicarboxylic acid
- diol
6
Q
What products form when polyesters are hydrolysed under aqueous alkaline (v fast rate) conditions?
A
- salt of dicarboxylic acid
- diol
7
Q
What products form when polyamides are hydrolysed under aqueous acidic (fast rate) conditions?
A
- dicarboxylic acid
- ammonium salt of diamine
8
Q
What products form when polyamide are hydrolysed under aqueous alkaline (slow rate) conditions?
A
- salt of dicarboxylic acid
- diamine
