1 2 2

: .. Plastic

  1. #1

    Jul 2011
    -
    14,582

    .. Plastic


    . . (polymers) _ . . .

    1862 Alexander Parkes .

    London exhibition Celluloid . ϡ .

    :

    1909 (bakelite). polyester) ) PVC)) .

    :

    1- (Injection Moulding ) : (pellets) .

    2- (Hot Extrusion Moulding) : .

    :

    1- (Thermoplastic )

    . (Polythene) , .

    2- (Thermosetting)

    . . , . , !


  2. #2

    Jul 2012
    5,298

    : .. Plastic



: 1 (0 1 )

  1. ..
    .Organic chem
    : 0
    : 12-08-2014, 09:50 PM
  2. plastic
    .General chem
    : 0
    : 27-11-2013, 09:48 PM

: 0