Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 1 kgf/cm² (gage) and 70°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Ni Aluminium triethyl combined with titanium tetrachloride V₂O₅ Fe Ni Aluminium triethyl combined with titanium tetrachloride V₂O₅ Fe ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers are Fibres only Thermoplastic Either A or B Thermosetting Fibres only Thermoplastic Either A or B Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Addition polymer Polyolefin Polyester Polyamide Addition polymer Polyolefin Polyester Polyamide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS