On the basis of their origin polymers are classified as _________ and _______ polymers.
natural
synthetic
Phenol formaldehyde resin is commonly called _________.
The monomer units of PAN is ________.
The monomer units of PMMA is ___________.
Lucite is a polymer of ___________.
Natural rubber is a polymer of __________.
In Buna-S, S stands for ___________.
The starting material of PCTFE is ________.
Neoprene and _________ are synthetic rubbers.
The starting raw materials for nylon are adipic acid and ________.
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