This section contains multiple choice questions. Each...

This section contains multiple choice questions. Each question has 4 choices (a), (b), (c) and (d), out of which ONLY ONE is correct.
Which of the following is an example of phenol-formaldehyde resin?
(a) Perlon
(b) Nylon-6,6
(c) Bakelite
(d) Dacron

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Phenol-Formaldehyde Resin

This is a type of synthetic resin produced by the reaction of phenol with formaldehyde. The resulting polymer is known for its strong adhesive properties, high thermal stability, and resistance to chemicals, making it widely used in engineering applications. It is commonly recognized as one of the first synthetic polymers and serves as a pivotal material in polymer chemistry.

Thermosetting Polymers

Thermosetting polymers are a class of polymers that irreversibly cure to form a rigid, infusible, and insoluble network. Once cured, these materials do not melt on heating, which makes them ideal for high-temperature applications and structural uses where dimensional stability is critical. Phenol-formaldehyde resins are a classic example of thermosetting polymers.

Condensation Polymerization

Condensation polymerization is a polymerization process where monomer units join together, typically with the simultaneous loss of a small molecule like water. This mechanism is central to the formation of many synthetic resins, including phenol-formaldehyde resin. It is instrumental in defining the properties of the resulting polymer, such as cross-linking and the creation of a three-dimensional network structure.

Transcript

Please give Ace some feedback