'Poly ethene' diaporamas de présentation

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Plastics and Synthetic Fibres

Plastics and Synthetic Fibres. Intermediate 2 Chemistry Unit 2(d). Examples of plastics. Examples of plastics. Polythene [poly(ethene)] Polystyrene Perspex PVC Nylon Bakelite Formica Silicones. PVC [poly(vinyl chloride)]. Nylon. Bakelite. Formica. Silicones.

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The Structure and Properties of Polymers

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Polymers

Polymers. Polymer. This name hints at how polymers are made. Many + Parts. PLASTICS. This name honors plastics useful property of being easily molded. Latin: Plasticus, that which can be molded. Poly mer.

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Alkenes

Alkenes. (chapter 31). Preparation. Industrial - cracking. Laboratory 1. Elimination Dehydrohalogenation of haloalkanes RX => alkene b. Dehydration of alkanols ROH => alkene Hydrogenation of alkynes. Physical properties. Chemical properties.

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Polymers

Polymers. What is a polymer ?. Important polymers. Plastics Rubbers Proteins Starch Cellulose Lignin Fats PAHs. Polymers from alkenes. Addition reactions . Polymerisation . Other important monomers. PVC is poly vinyl chloride. Vinyl chloride is the common name for chloroethene.

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Options Material-Materials

Options Material-Materials. Crystals, Metals and Addition Polymers. Crystals. Crystals are formed by ions, atoms or molecules arranged in a regular geometric arrangement called a lattice. Diamond Lattace. William and Lawrence Bragg.

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Organic Mechanism

Organic Mechanism. By: Duyen Vuong 12D. Content. Organic Mechanism Vinyl polymers Low density poly(ethene), LDPE Free radical formation High density poly(ethene), HDPE Ziegler- Natta catalyst Bibliography. Organic mechanisms. To manufacture of poly(ethene)

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Organic Mechanism

Organic Mechanism. By: Duyen Vuong 12D. Content. Organic Mechanism Vinyl polymers Low density poly(ethene), LDPE Free radical formation High density poly(ethene), HDPE Ziegler- Natta catalyst Bibliography. Organic mechanisms. To manufacture of poly(ethene)

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ALKENES ( 2 nd )

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Polymerisation

Polymerisation. Objectives: Be able to describe how some products of cracking are turned into plastics. Create a model of polyermisation . Fractional Distillation. High temp. Catalyst. Cracking. alkane. alkene. shorter alkane. Thermal decomposition. Uses of alkenes.

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Making polymers from alkenes

Making polymers from alkenes. You should be able to: Know how polymers are formed Understand how to name polymers List some uses of polymers. Plastic fantastic. How many things in the lab are made from plastic? How many things in your home are made from plastic?

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Polymers

Polymers. Grade 10. Polymers. Polymers are large molecules made when many smaller molecules join together. These small molecules are called monomers. Different polymers have different properties, so they have different uses. Ethene.

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