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  1. #1

    Sep 2011
    83


    S Polymer . . . , .
    , . , , . , , "Random Coil" . ( ), , .
    , . () . , . , "Polyethylene or Polyethene" -CH2- :
    , , :

    , . , . .
    . () , . , ( 2003) , / . , . , ( ). , . , , .
    . , . .



    .

    , . , . , . . , . . , .

    "isomeric" . "isotactic" . , .
    "atactic" . . , .
    "syndiotactic" . , . .


    . , . . , hex-1-ene (Linear Low Density Polyethylene LLDPE) " . C4 (HDPE). (LLDPE) .
    , . . , . ( ) R R' .


    []



    . , . ( ). , , . , .
    . , N-H C=O . : , . - C=O H-C. , , .
    . . . , . , . . , , .

    . , (wide angle X-ray scattering), (small angle X-ray scattering), (small angle neutron scattering), . (Gel permeation chromatography) , (polydispersity. FTIR) . (differential scanning calorimetry), (dynamic mechanical analysis). .
    .
    ]
    19 Monomer A A + A = A-A : n CH2=CH2 → (CH2-CH2)n 28


  2. #2
      Eiman
    Jul 2011
    -
    14,750

    :

    Thanks
    .......

  3. #3

    Dec 2011
    386

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  4. #4

    Sep 2011
    83

    :


  5. #5

    Jul 2012
    5,302

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