Chemical Engineering :: Polymer Technology
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Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex ?
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Automobile steering wheels are normally made of
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In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer ?
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90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.
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Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.
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Which of the following low molecular weight (<104 ), soft & waxy polymer is used in chewing gum ?
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Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of
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Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of