Which of the following are polyamide polymers?

Options

A. Nylon`-6,10`
B. Nylon`-6,6`
C. Nylon`-5`
D. Perlon`-U`

Answer

To determine which of the given options are polyamide polymers, we will follow these steps:

### Step 1: Understand what polyamide polymers are
Polyamide polymers are macromolecules characterized by repeating units linked by amide bonds. These polymers can be synthesized through processes such as step-growth polymerization or solid-phase synthesis. Common examples include various types of nylon.

**Hint:** Recall that polyamides contain amide linkages in their structure.

### Step 2: Analyze the options provided
We will examine each option to see if they qualify as polyamide polymers.

1. **Nylon 6-10**: This polymer is made from sebacoyl chloride and 1,6-hexanediamine. It is indeed a polyamide because it contains amide bonds.

**Hint:** Check the monomers used in the synthesis to identify if they contain amide linkages.

2. **Nylon 6,6**: This is synthesized through the polycondensation of hexamethylenediamine and adipic acid. It is a well-known polyamide polymer.

**Hint:** Look for the structure of nylon 6,6 and identify the amide bonds.

3. **Nylon 5**: Similar to the previous nylons, nylon 5 also contains peptide linkages and is classified as a polyamide polymer.

**Hint:** Remember that the presence of peptide linkages indicates the presence of amide bonds.

4. **Perlone (Polyurethane)**: Perlone is a polymer of carbamate and does not contain amide linkages. Therefore, it is not classified as a polyamide.

**Hint:** Distinguish between polyamides and other types of polymers like polyurethanes.

### Step 3: Conclusion
From the analysis:
- Nylon 6-10, Nylon 6,6, and Nylon 5 are polyamide polymers.
- Perlone is not a polyamide polymer.

Thus, the correct options that are polyamide polymers are **Nylon 6-10, Nylon 6,6, and Nylon 5**.

**Final Answer:** Nylon 6-10, Nylon 6,6, and Nylon 5 are polyamide polymers. Perlone is not a polyamide.