1H-NMR characterization of poly(ethylene glycol) and polydimethylsiloxane copolymer
This paper describes the synthesis and characterization of poly(ethylene glycol) (PEG) and polydimethylsiloxane (PDMS) copolymers. The copolymers were synthesized by reacting hydroxyl group (-OH) of poly(ethylene glycol) (PEG) and polydimetylsiloxane (PDMS) with isocyanate group (R-N=C=O) of 1,6-hex...
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| creator | Zainuddin, Ain Athirah Othaman, Rizafizah Noor, Wan Syaidatul Aqma Wan Mohd Anuar, Farah Hannan |
| description | This paper describes the synthesis and characterization of poly(ethylene glycol) (PEG) and polydimethylsiloxane (PDMS) copolymers. The copolymers were synthesized by reacting hydroxyl group (-OH) of poly(ethylene glycol) (PEG) and polydimetylsiloxane (PDMS) with isocyanate group (R-N=C=O) of 1,6-hexamethylene diisocyanate (HMDI). The reaction was carried out at room temperature. The copolymers were synthesized in three different compositions which differ in molar ratios of PEG to PDMS. The ratios (PEG:PDMS) used were 2:6. 3:5 and 4:4. The formation of the copolymers was characterized by 1H Nuclear Magnetic Resonance (1H-NMR) for structural determination. The presence of proton signal at 4.80 ppm which belongs to the proton of urethane group indicates the formation of urethane links. The formation of urethane links showed that two homopolymers were linked together by HMDI to form longer copolymer chains. It is worth to note that the sequence of PEG and PDMS along the copolymer chain is random. |
| doi_str_mv | 10.1063/1.4966761 |
| format | Conference Proceeding |
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The copolymers were synthesized by reacting hydroxyl group (-OH) of poly(ethylene glycol) (PEG) and polydimetylsiloxane (PDMS) with isocyanate group (R-N=C=O) of 1,6-hexamethylene diisocyanate (HMDI). The reaction was carried out at room temperature. The copolymers were synthesized in three different compositions which differ in molar ratios of PEG to PDMS. The ratios (PEG:PDMS) used were 2:6. 3:5 and 4:4. The formation of the copolymers was characterized by 1H Nuclear Magnetic Resonance (1H-NMR) for structural determination. The presence of proton signal at 4.80 ppm which belongs to the proton of urethane group indicates the formation of urethane links. The formation of urethane links showed that two homopolymers were linked together by HMDI to form longer copolymer chains. It is worth to note that the sequence of PEG and PDMS along the copolymer chain is random.</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.4966761</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Chains ; Chemical synthesis ; Copolymers ; Diisocyanates ; Hexamethylene diisocyanate ; Hydroxyl groups ; Isocyanates ; NMR ; Nuclear magnetic resonance ; Polydimethylsiloxane ; Polyethylene glycol ; Silicone resins ; Urethane groups</subject><ispartof>AIP conference proceedings, 2016, Vol.1784 (1)</ispartof><rights>Author(s)</rights><rights>2016 Author(s). 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The copolymers were synthesized by reacting hydroxyl group (-OH) of poly(ethylene glycol) (PEG) and polydimetylsiloxane (PDMS) with isocyanate group (R-N=C=O) of 1,6-hexamethylene diisocyanate (HMDI). The reaction was carried out at room temperature. The copolymers were synthesized in three different compositions which differ in molar ratios of PEG to PDMS. The ratios (PEG:PDMS) used were 2:6. 3:5 and 4:4. The formation of the copolymers was characterized by 1H Nuclear Magnetic Resonance (1H-NMR) for structural determination. The presence of proton signal at 4.80 ppm which belongs to the proton of urethane group indicates the formation of urethane links. The formation of urethane links showed that two homopolymers were linked together by HMDI to form longer copolymer chains. It is worth to note that the sequence of PEG and PDMS along the copolymer chain is random.</description><subject>Chains</subject><subject>Chemical synthesis</subject><subject>Copolymers</subject><subject>Diisocyanates</subject><subject>Hexamethylene diisocyanate</subject><subject>Hydroxyl groups</subject><subject>Isocyanates</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Polydimethylsiloxane</subject><subject>Polyethylene glycol</subject><subject>Silicone resins</subject><subject>Urethane groups</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2016</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kE9Lw0AQxRdRMFYPfoOAFxVSd7LZbPYoRa1QFbQHb8tm_9iUJBs3qRg_vWla8OZpHvN-zPAeQueAp4BTcgPThKcpS-EABUApRINMD1GAMU-iOCHvx-ikbdcYx5yxLEBvMI-en15DtZJeqs744kd2hatDZ8PGlf2l6VZ9aWoTfpS9cuVVKGs9OrqoRq8tSvctB0C57boy_hQdWVm25mw_J2h5f7eczaPFy8Pj7HYRNTyzUUqxZJJLnOnYaGq1tNhQQnRsGZg8lzTHmcpZrrlhVoFJuNWEKiOzIQzOyQRd7M423n1uTNuJtdv4evgoYoiBJoQBHajrHdWqohujicYXlfS9ACy2nQkQ-87-g7-c_wNFoy35BXqgbvQ</recordid><startdate>20161117</startdate><enddate>20161117</enddate><creator>Zainuddin, Ain Athirah</creator><creator>Othaman, Rizafizah</creator><creator>Noor, Wan Syaidatul Aqma Wan Mohd</creator><creator>Anuar, Farah Hannan</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20161117</creationdate><title>1H-NMR characterization of poly(ethylene glycol) and polydimethylsiloxane copolymer</title><author>Zainuddin, Ain Athirah ; Othaman, Rizafizah ; Noor, Wan Syaidatul Aqma Wan Mohd ; Anuar, Farah Hannan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p98f-650a7a9a08d2ed5fdaf0e533d2f71ebba5b08cb7bd9e7fc1e49fd35cea80090b3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Chains</topic><topic>Chemical synthesis</topic><topic>Copolymers</topic><topic>Diisocyanates</topic><topic>Hexamethylene diisocyanate</topic><topic>Hydroxyl groups</topic><topic>Isocyanates</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Polydimethylsiloxane</topic><topic>Polyethylene glycol</topic><topic>Silicone resins</topic><topic>Urethane groups</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zainuddin, Ain Athirah</creatorcontrib><creatorcontrib>Othaman, Rizafizah</creatorcontrib><creatorcontrib>Noor, Wan Syaidatul Aqma Wan Mohd</creatorcontrib><creatorcontrib>Anuar, Farah Hannan</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zainuddin, Ain Athirah</au><au>Othaman, Rizafizah</au><au>Noor, Wan Syaidatul Aqma Wan Mohd</au><au>Anuar, Farah Hannan</au><au>Badri, Khairiah Hj</au><au>Yaacob, Wan Zuhairi Wan</au><au>Ibrahim, Nazlina</au><au>Noorani, Mohd Salmi Md</au><au>Jumali, Mohammad Hafizuddin Hj</au><au>Ibrahim, Kamarulzaman</au><au>Rasol, Noor Hayati Ahmad</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>1H-NMR characterization of poly(ethylene glycol) and polydimethylsiloxane copolymer</atitle><btitle>AIP conference proceedings</btitle><date>2016-11-17</date><risdate>2016</risdate><volume>1784</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>This paper describes the synthesis and characterization of poly(ethylene glycol) (PEG) and polydimethylsiloxane (PDMS) copolymers. The copolymers were synthesized by reacting hydroxyl group (-OH) of poly(ethylene glycol) (PEG) and polydimetylsiloxane (PDMS) with isocyanate group (R-N=C=O) of 1,6-hexamethylene diisocyanate (HMDI). The reaction was carried out at room temperature. The copolymers were synthesized in three different compositions which differ in molar ratios of PEG to PDMS. The ratios (PEG:PDMS) used were 2:6. 3:5 and 4:4. The formation of the copolymers was characterized by 1H Nuclear Magnetic Resonance (1H-NMR) for structural determination. The presence of proton signal at 4.80 ppm which belongs to the proton of urethane group indicates the formation of urethane links. The formation of urethane links showed that two homopolymers were linked together by HMDI to form longer copolymer chains. It is worth to note that the sequence of PEG and PDMS along the copolymer chain is random.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4966761</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2016, Vol.1784 (1) |
| issn | 0094-243X 1551-7616 |
| language | eng |
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| source | AIP Journals Complete |
| subjects | Chains Chemical synthesis Copolymers Diisocyanates Hexamethylene diisocyanate Hydroxyl groups Isocyanates NMR Nuclear magnetic resonance Polydimethylsiloxane Polyethylene glycol Silicone resins Urethane groups |
| title | 1H-NMR characterization of poly(ethylene glycol) and polydimethylsiloxane copolymer |
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