Ohne Titel

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1. acc to thermal behavior

   • thermoplastic
   • termosetting

2. acc to origin

   • natural
   • synthetic

3. acc to spatial structure

   • linear
   • cross linked
   • branched

4. acc to polymerization reaction

   • condensation
   • addition
     • stages
       • 1_actiivation&initiation
         • 2_propagation