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Low Dispersity Telechelic Polydimethylsiloxanes Synthesized in Ammonia Medium AITranslate

Ekaterina Minyaylo; Maxim Temnikov; Anton Anisimov; Alexander Peregudov; Olga Shchegolikhina; Aziz Muzafarov;
A. N. Nesmeyanov Institute of Organoelement Compounds;A. N. Nesmeyanov Institute of Organoelement Compounds;A. N. Nesmeyanov Institute of Organoelement Compounds;A. N. Nesmeyanov Institute of Organoelement Compounds;A. N. Nesmeyanov Institute of Organoelement Compounds; Russia|Enikolopov Institute of Synthetic Polymeric Materials
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Abstract AITranslate

The polymerization of hexamethylcyclotrisiloxane (D3Me2) in liquid ammonia using water as an initiator has been studied. These polymers are of practical importance for a wide range of applications in the silicone industry. The effect of factors such as temperature, reaction time, and concentration of reactants on the polymerization process was evaluated. As a result, an environmentally friendly procedure for the preparation of narrowly dispersed telechelic polydimethylsiloxanes (Mn = 8.0 kDa, PDI = 1.11) with a monomer conversion of up to 98% was developed. The possibility of scaling up the process and recycling of ammonia was shown.

KeyWords AITranslate

ringopening polymerization telechelic polydimethylsiloxanes ammonia medium ecofriendly ammonia recycling
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.2c00669

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Citation Information:

The polymerization of hexamethylcyclotrisiloxane (D3Me2) in liquid ammonia using water as an initiator has been studied. These polymers are of practical importance for a wide range of applications in the silicone industry. The effect of factors such as temperature, reaction time, and concentration of reactants on the polymerization process was evaluated. As a result, an environmentally friendly procedure for the preparation of narrowly dispersed telechelic polydimethylsiloxanes (Mn = 8.0 kDa, PDI = 1.11) with a monomer conversion of up to 98% was developed. The possibility of scaling up the process and recycling of ammonia was shown.

quote

GB/T 7714-2015 [1] Ekaterina Minyaylo, Maxim Temnikov, Anton Anisimov, et al. ACS Applied Polymer Materials, 2022(4). DOI:10.1021/acsapm.2c00669.
MLA [1] Ekaterina Minyaylo, et al., ACS Applied Polymer Materials, no. 4, 2022, https://doi.org/10.1021/acsapm.2c00669.
APA [1] Ekaterina Minyaylo, Maxim Temnikov, Anton Anisimov, Alexander Peregudov, Olga Shchegolikhina, & Aziz Muzafarov. (2022). ACS Applied Polymer Materials(4). https://doi.org/10.1021/acsapm.2c00669
IEEE [1] Ekaterina Minyaylo, Maxim Temnikov, Anton Anisimov, Alexander Peregudov, Olga Shchegolikhina, and Aziz Muzafarov, ACS Applied Polymer Materials, no. 4, 2022, doi: 10.1021/acsapm.2c00669. keywords: {ringopening polymerization;telechelic polydimethylsiloxanes;ammonia medium;ecofriendly;ammonia recycling}