WebHistorical aspects. Most natural polymers being employed at early stage of human society are of condensation type. The synthesis of first truly synthetic polymeric material, bakelite, was announced by Leo Baekeland in 1907, through a typical step-growth polymerization fashion of phenol and formaldehyde.The pioneer of synthetic polymer science, Wallace … WebCross linked polymers are polymers in which monomer units are cross linked together to form a three dimensional network polymers . These polymers are hard,rigid and brittle …
organic chemistry - How does cross-linking between …
The characteristics of Bakelite made it particularly suitable as a molding compound, an adhesive or binding agent, a varnish, and a protective coating. Bakelite was particularly suitable for the emerging electrical and automobile industries because of its extraordinarily high resistance to electricity, heat, and chemical action. WebBakelite is a cross-linked condensation polymer of phenol (C 6 ... The cross-linked polymer(F) is: Hard. View solution > The structure of bakelite is : Medium. View solution > View more. More From Chapter. Polymers. View chapter > Revise with Concepts. Chain Growth Polymerisation (Addition polymerisation) Example Definitions Formulaes. Step ... lawn care companies springfield
Basic Polymer Structure MATSE 81: Materials In …
WebApr 9, 2024 · Bakelite, which is also known as a 'material of a thousand uses' is chemically called polyoxybenzyl methylene glycol anhydride. It is a thermosetting phenol-formaldehyde resin formed by the condensation … WebOct 9, 2024 · Bakelite is a condensation polymer made from formaldehyde and phenol as shown below: Thus, the correct answer is option D i.e. Bakelite is a cross-linked polymer. What does cross linking mean in polymers? Put simply, crosslinking involves a chemical reaction between polymer chains to link them together. … Crosslinking can influence … WebMay 3, 2024 · Which of the following has cross-linked polymer chains? A Bakelite B polyester C PVC D nylon lawn care company in westham