Polymeric Hydrocarbons with Pendant Groups

  • Raymond B. Seymour
  • Charles E. CarraherJr.


Amorphous atactic polymers with bulky pendant groups, such as polystyrene (PS), which has the following repeating unit, Open image in new window are less flexible at ordinary temperatures than low-density polyethylene (ldpe) or high-density polyethylene (hdpe). In addition to its steric hindrance effect, the flat phenyl group in PS also increases the intermolecular forces because of its weak polarity. However, the kinetic energy at higher temperatures exceeds the weak intermolecular forces, so this commercial polymer is a readily moldable thermoplastic.


Vinyl Chloride Solubility Parameter Polyvinyl Acetal Linear Expansion Pendant Group 
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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Raymond B. Seymour
    • 1
  • Charles E. CarraherJr.
    • 2
  1. 1.College of Science and TechnologyUniversty of Southem MississippiHattiesburgUSA
  2. 2.College of Science and EngineeringWright State UniverstyDaytonUSA

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