Advertisements
Advertisements
प्रश्न
Answer the following.
What are synthetic resins? Name some natural and synthetic resins.
Advertisements
उत्तर
- Synthetic resins:
These polymers are artificially prepared by polymerization of one monomer or copolymerization of two or more monomers.
e.g. nylon and terylene.
Synthetic polymers are further divided into three subtypes: fibres, synthetic rubbers, and plastics.
- Natural resins: Natural rubber, silk, wool, etc.
- Synthetic resins: Nylon, terylene, neoprene, etc.
APPEARS IN
संबंधित प्रश्न
Answer the following.
Distinguish between thermosetting and thermoplastic resins. Write example of both the classes.
Answer the following
How is polythene manufactured? Give their properties and uses.
Answer the following.
Explain in detail free radical mechanism involved during preparation of addition polymer.
Homopolymer among the following is ______.
Which of the following is a biodegradable polymer?
Chemical combination of Ziegler-Natta catalyst is ______________
Define elastomer.
Explain thermoplastic and thermosetting polymers.
Explain homopolymers with examples.
Explain the classification of polymers on the basis of structures.
Mention two properties and two uses of nylon 6, 6 polymers.
Define fibres.
Identify the monomers used in the preparation of glyptal.
Which among the following is not a semi-synthetic polymer?
Which of the following pair represents natural polymers?
Cuprammonium rayon and viscose rayon are ____________ polymers.
∈-Caprolactum has ____________ carbon atoms in its ring.
Which of the following is INCORRECT regarding terylene?
Which of the following compounds contain -CO-NH- linkage?
Identify the natural polymer from the following.
Which among the following polymers belongs to the class elastomers?
Which of the following properties is of thermoplastic polymer?
Which of the following is a thermosetting polymer?
Define the synthetic polymers.
Write the structure of monomer used in the preparation of
How are polymers classified into different categories on the basis of intermolecular forces? Give an example of a polymer of each of these categories.
Identify the monomer used to prepare acrylic glass.
