Uses Bakelite is used for making combs , photograph records , electrical switches etc . Soft bakelites with low degree of polymerisation are used as binding glue for laminated wooden plants , in varnishes and lacquers .
2 . Melamine-formaldehyde Resin
It is a copolymer formed by the polymerisation of melamine ( which is a heterocyclic triamine ) and formaldehyde as follows :
Properties and Uses
It is very hard and tough . It has assumed great importance these days particularly in making crockery . They do not break even when droped from a height .
3 . Urea-formaldehyde Resin