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Modellselektion bei der Copolymerisation ternärer Donator-Acceptor systeme

✍ Scribed by Schmidt-Naake, Gudrun ;Schmidt, Hermann ;Litauszki, Beata ;Berger, Werner

Publisher
Wiley (John Wiley & Sons)
Year
1990
Weight
488 KB
Volume
191
Category
Article
ISSN
0025-116X

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✦ Synopsis

Abstract

The free‐radical copolymerization of donor, acceptor and neutral monomers to ternary copolymers is studied. It is shown that the composition of the ternary copolymers can be calculated from their monomer feed, in case the reactivity ratio (r) values of the three binary subsystems are known. The calculation based on the copolymer equation only considers really existing propagation steps.

📜 SIMILAR VOLUMES

Zur frage der Existenz ternärer azeotrop
Zur frage der Existenz ternärer azeotrope bei Donator-Acceptor Copolymeren
✍ Schmidt-Naake, Gudrun ;Schmidt, Hermann ;Litauszki, Beata ;Bieger, Wolfgang 📂 Article 📅 1990 🏛 Wiley (John Wiley & Sons) ⚖ 316 KB

## Abstract Using the suitable terpolymerization equations for the copolymerization of donor‐acceptor copolymer systems no ternary azeotrope could be calculated. Copolymerization reactivity ratios taken from literature show that there is no chance to find an azeotrope.

Lösungsmittelabhängigkeit der Bruttopoly
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✍ Schmidt, Hermann ;Schmidt-Naake, Gudrun ;Berger, Werner 📂 Article 📅 1990 🏛 Wiley (John Wiley & Sons) ⚖ 232 KB

## Abstract The influence of the solvent on the reactivity ratios in free‐radical copolymerization of donor monomers with acceptor monomers is very strong. The copolymerization reactivity ratios decrease with increasing donor number and dielectric constant of the solvent. This can be rationalized o