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thermosetting polymers - classification of polymersthese are the polymers which go through permanent modification on heating they get firm and
classification of polymers - thermoplastics these are the polymers that can be simply softened repeatedly while heated and hardened when cooled along
classification of polymers - fibresthese are the polymers that comprise strong intermolecular forces among the chain these forces are either hydrogen
classification of polymers - elastomersthe polymers which have elastic character such as rubber a material that can return to its unique shape after
classification based upon molecular forces depending on the intermolecular forces the polymers have been categorized into four typesa
cross linked polymers 1 these are polymers where monomers unit are crosslinked together to make a three dimensional network polymers2 these kind of
branched chain polymers - classification of polymersthese are polymers where the monomers are connected to make long chains with side chains or
classification of polymers - linear polymersthese are polymers where monomeric units are linked together to form linear sequential chain these linear
classification of polymers - on the basis of structureon the basis of structure of polymers these can be classified asi linear
rayon - semi synthetic polymersrayon is a man made material which contains purified cellulose in the type of long fibres cellulose is reacted along
semi-synthetic polymersrayon and other cellulose derivatives such as cellulose nitrate cellulose acetate so on are semi-synthetic polymers these
semisynthetic polymersthese polymers are mainly derived from naturally taking place polymers by chemical changes since cellulose is naturally taking
classification of polymers - synthetic polymersthe polymers that are prepared in the laboratories are known as synthetic polymers these are as well
classification of polymers - natural polymerthe polymers acquired from nature plants and animals are known as natural polymers these types of
classification of polymersclassification lies on source of availability they are categorized asa natural polymers b synthetic
polymerpolymers are compound of extremely high molecular masses made by the combination of a large number of simple moleculesthe simple molecules
simple and mixed aminessecondary and tertiary amines may be categorized as simple or mixed amines as per to all the alkyl or aryl groups attached to
amines - nitrogen containing compounds1 amines are observed like derivatives of ammonia where one two or all three hydrogen atoms are changed by
testethyl cyanideethyl isocyanidesmellstrong but pleasantextremely unpleasantdipole momentmore asymp 4dless raquo 3dbp98degcie high78degc
uses of alkyl isocyanidesbecause of their unpleasant smell alkyl isocyanides are utilized in detection of very minute leakage carbylamine reaction is
physical properties of alkyl isocyanides1 alkyl isocyanides are colourless unpleasant smelling liquids2 alkyl isocyanides are insoluble in water but
physical properties of alkyl cyanides1 alkyl cyanides are neutral substance with pleasant odour similar to bitter almonds2 alkyl cyanides are lower
uses of aromatic nitro compoundsa aromatic nitro compounds are used on account of their high polarity aromatic nitro compounds are used as solventsb
physical properties of aromatic nitro compoundsa aromatic nitro compounds are insoluble in water although soluble in organic solventsb they are
nitration or direct methodthe number of - no2 groups introduced in benzene nucleus relies upon the nature and concentration of the nitrating agent