2019-07-10 Flashcards

1
Q

1a

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  1. Nummer von Monomerwiederholungseinheiten in Kette N ist riesig N >> 1. (synthetisch N=10^2-10^4)
  2. Monomereinheiten sind kovalent verbunden in Kette. Þ unabhängige Bewegungen sind unmöglich (anders als in Systemen von unabhängigen Partikeln, z.B. Gasen und Flüssigkeiten). Þ Polymersysteme sind Entropiearm.
  3. Polymerketten sind flexibel.
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2
Q

1b

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3
Q

2a

A

Bei einer Stufenpolymerisation können alle Monomere miteinander reagieren. Bei einer Kettenreaktion immer nur die aktiven Enden der Ketten mit Monomeren

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4
Q

2b

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5
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3a

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6
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3b

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7
Q

3c

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8
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3d

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9
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3e

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10
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3f

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11
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4a

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12
Q

4b

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13
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z

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