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Polymers Classification

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Mindmap am Polymers Classification, erstellt von JUAN MIGUEL SUAREZ LOPEZ am 22/05/2021.
JUAN MIGUEL SUAREZ LOPEZ
Mindmap von JUAN MIGUEL SUAREZ LOPEZ, aktualisiert more than 1 year ago
JUAN MIGUEL SUAREZ LOPEZ
Erstellt von JUAN MIGUEL SUAREZ LOPEZ vor mehr als 4 Jahre
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Zusammenfassung der Ressource

Polymers Classification
  1. What are Polymers?
    1. Large Mollecules
      1. Large Mollecular mass
        1. Essential in...
          1. Plastics
            1. Elastomers
              1. Fibres and Paints
                1. Varnishes
                2. Formed by polymerisation
                3. Based on Source
                  1. Natural Polymers
                    1. In plants & animals
                      1. Ex. Protein, cellulose, starch
                      2. Semi-Synthetic Polymers
                        1. Cellulose derivates
                          1. Ex. Cellulose nitrate
                          2. Synthetic Polymers
                            1. Man-madae
                              1. Ex. Plastic
                            2. Based on Structure
                              1. Linear
                                1. Long & straight chains
                                  1. Ex. Polyvinyl Chloride
                                  2. Branched Chain
                                    1. ex. Low density polythene
                                      1. Linear with Branches
                                      2. Cross Linked or Network
                                        1. Contain strong Covalent Bonds
                                          1. Ex. Bakelite, Melamine
                                        2. Based on mode of Polymerisation
                                          1. Addition polymers
                                            1. Homopolymers: One type of monomer
                                              1. Formed by adding monomers with double/triple bonds,
                                                1. Copolymer: Different types of monomers
                                                2. Condensation Polymers
                                                  1. Eliminates small mollecules
                                                    1. The reaction between two different monomeric units
                                                  2. Based on Molecular Forces
                                                    1. Elastomers
                                                      1. Elastic
                                                        1. Weak Intermolecular forces
                                                          1. ex. neoprene
                                                          2. Fibres
                                                            1. Thread forming solids
                                                              1. High tensile strenght
                                                                1. Strong intermolecular forces
                                                                  1. ex. Nylon 6
                                                                  2. Thermoplastic Polymers
                                                                    1. Almost no branched chains
                                                                      1. Heat=Softens Cool=Hardens
                                                                        1. Intermolecular attraction
                                                                        2. Thermosetting Polymers
                                                                          1. Heavily branched molecules
                                                                            1. Cannot be reused

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