An investigation of adsorption at the air–water and soil–water interfaces for non-micellizing ethylene oxide–propylene oxide surfactants
Adsorption at the air–water interface and soil sorption from aqueous solution have been investigated for a group of ethylene oxide (EO)–propylene oxide (PO) block copolymeric surfactants. The group which have a common structural formula of EO m PO n EO m is distinguished by the fact that they have l...
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| Veröffentlicht in: | Chemosphere (Oxford) 2000-06, Vol.40 (12), p.1399-1405 |
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| creator | Paterson, Iain F. Chowdhry, Babur Z. Leharne, Stephen A. |
| description | Adsorption at the air–water interface and soil sorption from aqueous solution have been investigated for a group of ethylene oxide (EO)–propylene oxide (PO) block copolymeric surfactants. The group which have a common structural formula of EO
m
PO
n
EO
m
is distinguished by the fact that they have large critical micelle concentration (CMC) values and therefore do not readily form micelles at common environmental concentrations and temperatures. Adsorption at the air–water interface is readily shown to be driven by the size of the hydrophobic PO block. The size of the reduction in surface tension produced by a common concentration of 10
−5 mol dm
−3 linearly increases with the size of the PO block as does the efficiency of adsorption at the air–water interface as measured by
pC
20 – the negative logarithm of the surfactant concentration that produces a reduction in surface tension of 20 mN m
−1. Soil sorption data have also been captured for these compounds and the data are readily fitted to the Freundlich adsorption isotherm. However soil sorption is shown to be inversely related to the molecular mass of the molecules and appears to be related to the size of the hydrophilic EO blocks in the molecule. |
| doi_str_mv | 10.1016/S0045-6535(99)00280-5 |
| format | Article |
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m
PO
n
EO
m
is distinguished by the fact that they have large critical micelle concentration (CMC) values and therefore do not readily form micelles at common environmental concentrations and temperatures. Adsorption at the air–water interface is readily shown to be driven by the size of the hydrophobic PO block. The size of the reduction in surface tension produced by a common concentration of 10
−5 mol dm
−3 linearly increases with the size of the PO block as does the efficiency of adsorption at the air–water interface as measured by
pC
20 – the negative logarithm of the surfactant concentration that produces a reduction in surface tension of 20 mN m
−1. Soil sorption data have also been captured for these compounds and the data are readily fitted to the Freundlich adsorption isotherm. However soil sorption is shown to be inversely related to the molecular mass of the molecules and appears to be related to the size of the hydrophilic EO blocks in the molecule.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/S0045-6535(99)00280-5</identifier><identifier>PMID: 10789980</identifier><identifier>CODEN: CMSHAF</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Adsorption ; Applied sciences ; Brackish ; ethylene oxide ; Exact sciences and technology ; Freshwater ; Global environmental pollution ; Micelles ; Molecular Weight ; Pollution ; Polyethylenes - chemistry ; Polypropylenes - chemistry ; propylene oxide ; Surface Tension - drug effects ; Surface-Active Agents - chemistry ; Thermodynamics ; Water - chemistry</subject><ispartof>Chemosphere (Oxford), 2000-06, Vol.40 (12), p.1399-1405</ispartof><rights>2000 Elsevier Science Ltd</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a444t-31ef97fafa010c652a4f252aaeed7e2f00d65e34717bdaf2cd1376b6a66a5d3</citedby><cites>FETCH-LOGICAL-a444t-31ef97fafa010c652a4f252aaeed7e2f00d65e34717bdaf2cd1376b6a66a5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0045653599002805$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1362863$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10789980$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Paterson, Iain F.</creatorcontrib><creatorcontrib>Chowdhry, Babur Z.</creatorcontrib><creatorcontrib>Leharne, Stephen A.</creatorcontrib><title>An investigation of adsorption at the air–water and soil–water interfaces for non-micellizing ethylene oxide–propylene oxide surfactants</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>Adsorption at the air–water interface and soil sorption from aqueous solution have been investigated for a group of ethylene oxide (EO)–propylene oxide (PO) block copolymeric surfactants. The group which have a common structural formula of EO
m
PO
n
EO
m
is distinguished by the fact that they have large critical micelle concentration (CMC) values and therefore do not readily form micelles at common environmental concentrations and temperatures. Adsorption at the air–water interface is readily shown to be driven by the size of the hydrophobic PO block. The size of the reduction in surface tension produced by a common concentration of 10
−5 mol dm
−3 linearly increases with the size of the PO block as does the efficiency of adsorption at the air–water interface as measured by
pC
20 – the negative logarithm of the surfactant concentration that produces a reduction in surface tension of 20 mN m
−1. Soil sorption data have also been captured for these compounds and the data are readily fitted to the Freundlich adsorption isotherm. However soil sorption is shown to be inversely related to the molecular mass of the molecules and appears to be related to the size of the hydrophilic EO blocks in the molecule.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Brackish</subject><subject>ethylene oxide</subject><subject>Exact sciences and technology</subject><subject>Freshwater</subject><subject>Global environmental pollution</subject><subject>Micelles</subject><subject>Molecular Weight</subject><subject>Pollution</subject><subject>Polyethylenes - chemistry</subject><subject>Polypropylenes - chemistry</subject><subject>propylene oxide</subject><subject>Surface Tension - drug effects</subject><subject>Surface-Active Agents - chemistry</subject><subject>Thermodynamics</subject><subject>Water - chemistry</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1uFDEQhS0EIkPgCCAvEIJFQ7m77e5eoSjiT4rEIuytGrucGPXYg-0JhBUnYMMNOQmeH4XssinLpe-5nusx9lTAawFCvTkH6GWjZCdfTtMrgHaERt5jCzEOUyPaabzPFjfIEXuU81eAKpTTQ3YkYBinaYQF-30SuA9XlIu_wOJj4NFxtDmm9e6GhZdL4ujT319_vmOhxDFYnqOfbxo-1OrQUOYuJh5iaFbe0Dz7nz5ccCqX1zMF4vGHt1RV6xTXtzo8b7bqgqHkx-yBwznTk8N5zM7fv_ty-rE5-_zh0-nJWYN935emE-SmwaFDEGCUbLF3ba1IZAdqHYBVkrp-EMPSomuNFd2glgqVQmm7Y_Zi_2p18m1T_65XPm8NY6C4yXqo-wEYuztBMUDXtSAqKPegSTHnRE6vk19hutYC9DYvvctLb8PQ06R3eWlZdc8OAzbLFdlbqn1AFXh-ADAbnF3CYHz-z3WqHdXW6Ns9RnVpV56SzsZTMGR9IlO0jf4OJ_8AmTC44w</recordid><startdate>20000601</startdate><enddate>20000601</enddate><creator>Paterson, Iain F.</creator><creator>Chowdhry, Babur Z.</creator><creator>Leharne, Stephen A.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TN</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>20000601</creationdate><title>An investigation of adsorption at the air–water and soil–water interfaces for non-micellizing ethylene oxide–propylene oxide surfactants</title><author>Paterson, Iain F. ; Chowdhry, Babur Z. ; Leharne, Stephen A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a444t-31ef97fafa010c652a4f252aaeed7e2f00d65e34717bdaf2cd1376b6a66a5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Brackish</topic><topic>ethylene oxide</topic><topic>Exact sciences and technology</topic><topic>Freshwater</topic><topic>Global environmental pollution</topic><topic>Micelles</topic><topic>Molecular Weight</topic><topic>Pollution</topic><topic>Polyethylenes - chemistry</topic><topic>Polypropylenes - chemistry</topic><topic>propylene oxide</topic><topic>Surface Tension - drug effects</topic><topic>Surface-Active Agents - chemistry</topic><topic>Thermodynamics</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Paterson, Iain F.</creatorcontrib><creatorcontrib>Chowdhry, Babur Z.</creatorcontrib><creatorcontrib>Leharne, Stephen A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Paterson, Iain F.</au><au>Chowdhry, Babur Z.</au><au>Leharne, Stephen A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An investigation of adsorption at the air–water and soil–water interfaces for non-micellizing ethylene oxide–propylene oxide surfactants</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2000-06-01</date><risdate>2000</risdate><volume>40</volume><issue>12</issue><spage>1399</spage><epage>1405</epage><pages>1399-1405</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><coden>CMSHAF</coden><abstract>Adsorption at the air–water interface and soil sorption from aqueous solution have been investigated for a group of ethylene oxide (EO)–propylene oxide (PO) block copolymeric surfactants. The group which have a common structural formula of EO
m
PO
n
EO
m
is distinguished by the fact that they have large critical micelle concentration (CMC) values and therefore do not readily form micelles at common environmental concentrations and temperatures. Adsorption at the air–water interface is readily shown to be driven by the size of the hydrophobic PO block. The size of the reduction in surface tension produced by a common concentration of 10
−5 mol dm
−3 linearly increases with the size of the PO block as does the efficiency of adsorption at the air–water interface as measured by
pC
20 – the negative logarithm of the surfactant concentration that produces a reduction in surface tension of 20 mN m
−1. Soil sorption data have also been captured for these compounds and the data are readily fitted to the Freundlich adsorption isotherm. However soil sorption is shown to be inversely related to the molecular mass of the molecules and appears to be related to the size of the hydrophilic EO blocks in the molecule.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>10789980</pmid><doi>10.1016/S0045-6535(99)00280-5</doi><tpages>7</tpages></addata></record> |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adsorption Applied sciences Brackish ethylene oxide Exact sciences and technology Freshwater Global environmental pollution Micelles Molecular Weight Pollution Polyethylenes - chemistry Polypropylenes - chemistry propylene oxide Surface Tension - drug effects Surface-Active Agents - chemistry Thermodynamics Water - chemistry |
| title | An investigation of adsorption at the air–water and soil–water interfaces for non-micellizing ethylene oxide–propylene oxide surfactants |
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