Differentiate between thermoplastic and thermosetting polymers . Give one example of each. View Solution H C ≡ C H (i) CuCl,NH −−−−−−−−→ (ii) HCl X बहुलकीकरण−−−−−−
What do you mean by the chain growth polymerisation? Give two examples of monomers which can take part in this type of polymerisation. View Solution Which polymerisation is referred to as living polymerisation? Why? View Solution ___ polymerisation is also known as living polymerisation. View ...
When a polymer has stereochemical isomerism within the chain, its properties often depend on the stereochemical structure. It is a general rule that fora polymer to crystallize, it must have highly regular polymer chains. ... Highly irregular polymers are almost inevitably amorphous. What do you ...
Free Essay: Polymers are all around us, a fact that we cannot deny. Polymers are used by everyone of all ages. Man has used natural polymers throughout...
What does a polymer in chemistry mean?Question:What does a polymer in chemistry mean?Polymers:Polymers occur naturally and they can also be synthesized. Natural polymers include starch, cellulose, DNA, proteins and many more. Synthetic polymers include nylon, polyethylene and teflon to name a few...
What do you mean by thermal conductivity? Retrieved from Definition of Thermal ConductivityThermtest Materials Thermal Properties Database. List of Thermal ConductivitiesRedner, S. (2006). Heat conduction. Boston University Physics. https://physics.bu.edu/~redner/211-sp06/class-thermodynamics/heat_...
These differences mean that when a quick response is needed, an Asian company can respond with agility, allowing it to seize opportunities. Decision making at a Western company can sometimes be hamstrung by the formality of the internal structures. How has business in Asia changed? In the past...
What does 5PP mean on plastic? Plastic: Plastic is used in most things around us. It is a synthetic material made up of organic polymers that can be shaped while it is soft then set into something elastic or rigid, depending on its purpose. ...
The table above covers the main polymers you can print on a professional 3D printer. Want to find the right composite material for your 3D printing applications?Watch our webinar on composites for 3D printing. FFF 3D printers Although FFF 3D printers are all built on the same process, their ...
Invasion of the biosphere by synthetic polymers:What our current knowledge may mean for our future INVASIONtheBIOSPHEREOURFUTUREIn 1974,a member of the Council of the British Plastics Federation and a fellow of the Plastics Institute,stated that"Plastics litter is a very small proportion of all ...