Al~traet--The concentrations of living oligomers of structure MtO[Si(Me)20],Mt (n = 1 to 8, Mt = Na, K or Cs) are studied at equilibrium in the polymerization of permethylcyclopolysiloxanes initiated with alkali metal silanolates. The amounts of these oligomers are considerably higher than expected
β¦ LIBER β¦
Thermal stabilities of end groups in hydroxyalkyl terminated polydimethylsiloxane oligomers
β Scribed by Iskender Yilgor; Emel Yilgor
- Book ID
- 106002350
- Publisher
- Springer
- Year
- 1998
- Tongue
- English
- Weight
- 113 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0170-0839
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## Abstract Poly(ethylene terephthalate) (PET), precursors, and solidβstated samples were evaluated in terms of changing vinyl ester (VE) concentrations. The results obtained through the application of reaction kinetics gave VE contents ranging from 0.7 to 5.5 mmol/kg of PET. As the initial intrins