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1Solid-state Carbon-13 NMR Studies of Model Urethane Elastomers

MD MEADOWS,CP CHRISTENSON,WL HOWARD,MA HARTHCOCK,RE GUERRA,RB TURNER

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolid-state carbon-13 NMR studies of model urethane elastomersM. D. Meadows, C. P. Christenson, W. L. Howard, M. A. Harthcock, R. E. Guerra, and R. B. TurnerCite this: Macromolecules 1990, 23, 9, 2440–2444Publication Date (Print):April 1, 1990Publication History Published online1 May 2002Published inissue 1 April 1990https://pubs.acs.org/doi/10.1021/ma00211a006https://doi.org/10.1021/ma00211a006research-articleACS PublicationsRequest reuse permissionsArticle Views150Altmetric-Citations11LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1990Macromolecules（1990）引用：16

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2Model Mdi/Ethylene Glycol Polyurethane - Molecular-Structure And Morphology

Rb Turner,Cp Christenson,Ma Harthcock,Md Meadows,Wl Howard,Mw Creswick

1988ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY（1988）

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3Model MDI/butanediol Polyurethanes: Molecular Structure, Morphology, Physical and Mechanical Properties

CP CHRISTENSON,MA HARTHCOCK,MD MEADOWS,HL SPELL,WL HOWARD,MW CRESWICK,RE GUERRA,RB TURNER

AbstractModel butanediol–MDI–polypropylene oxide polymers have been synthesized to explore the structure–property relationships in urethane/polyether polymers. The results of mechanical, thermal, and spectroscopic analyses agree remarkably well. The phase mixing in these polymers decreases with increasing hard‐segment length, while the hard‐segment stability increases with increasing hard‐segment length. This is demonstrated clearly by dynamic mechanical, differential scanning calorimetry, infrared, and NMR studies. The importance of hydrogen bonding to the stability of the hard segment is strongly supported by the variable‐temperature infrared experiments. The critical hard‐segment size for phase segregation was shown to be two butanediols per hard segment. The temperature limit of the flatness of the storage modulus was tied to the thermal stability of the hard‐segment hydrogen bonding which is controlled largely by the length of the hard segment and the extent of the hydrogen bonding.

1986JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS（1986）引用：171

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41,2,3,4-Tetrachloronaphthalene from Trichloroethylene and Benzoyl Peroxide

WL HOWARD, RE GILBERT

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT1,2,3,4-Tetrachloronaphthalene from Trichloroethylene and Benzoyl PeroxideWilliam L. Howard and Ronald E. GilbertCite this: J. Org. Chem. 1962, 27, 7, 2685Publication Date (Print):July 1, 1962Publication History Published online1 May 2002Published inissue 1 July 1962https://pubs.acs.org/doi/10.1021/jo01054a537https://doi.org/10.1021/jo01054a537research-articleACS PublicationsRequest reuse permissionsArticle Views49Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1962The Journal of Organic Chemistry（1962）引用：23

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52 NEW FLAVONOL GLYCOSIDES IN COMMERCIAL XANTHORHAMNIN

CW NYSTROM,WL HOWARD,SH WENDER

1957JOURNAL OF ORGANIC CHEMISTRY（1957）引用：7

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6Benzofuran Derivatives Related to 2,4-Dichlorophenoxyacetic Acid

D STEFANYE,WL HOWARD

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBENZOFURAN DERIVATIVES RELATED TO 2,4-DICHLORO-PHENOXYACETIC ACIDDAVID STEFANYE and WILLIAM L. HOWARDCite this: J. Org. Chem. 1955, 20, 7, 813–818Publication Date (Print):July 1, 1955Publication History Published online1 May 2002Published inissue 1 July 1955https://pubs.acs.org/doi/10.1021/jo01125a001https://doi.org/10.1021/jo01125a001research-articleACS PublicationsRequest reuse permissionsArticle Views151Altmetric-Citations14LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1955JOURNAL OF ORGANIC CHEMISTRY（1955）引用：33

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7Cyclic Guanidines from Nitrimino Compounds

D STEFANYE,WL HOWARD

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCyclic Guanidines from Nitrimino CompoundsD. Stefanye and William L. HowardCite this: J. Am. Chem. Soc. 1955, 77, 3, 761–762Publication Date (Print):February 1, 1955Publication History Published online1 May 2002Published inissue 1 February 1955https://pubs.acs.org/doi/10.1021/ja01608a070https://doi.org/10.1021/ja01608a070research-articleACS PublicationsRequest reuse permissionsArticle Views86Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1955JOURNAL OF THE AMERICAN CHEMICAL SOCIETY（1955）引用：8

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8Imidocarboxylate Homologs of Phenylcarbamates

D STEFANYE,WL HOWARD, W BEIDLER

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTImidocarboxylate Homologs of PhenylcarbamatesD. Stepanye, W. L. Howard, and W. BeidlerCite this: J. Am. Chem. Soc. 1955, 77, 13, 3663–3664Publication Date (Print):July 1, 1955Publication History Published online1 May 2002Published inissue 1 July 1955https://doi.org/10.1021/ja01618a080RIGHTS & PERMISSIONSArticle Views110Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InReddit PDF (289 KB) Get e-Alerts Get e-Alerts

1955Journal of the American Chemical Society（1955）引用：26

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9Some Halophenoxyacetic Anhydrides

G SVARNAS,WL HOWARD

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSome Halophenoxyacetic AnhydridesGeorge Svarnas and William L. HowardCite this: J. Am. Chem. Soc. 1955, 77, 14, 3924Publication Date (Print):July 1, 1955Publication History Published online1 May 2002Published inissue 1 July 1955https://pubs.acs.org/doi/10.1021/ja01619a075https://doi.org/10.1021/ja01619a075research-articleACS PublicationsRequest reuse permissionsArticle Views53Altmetric-Citations1LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1955Journal of the American Chemical Society（1955）引用：5

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10Acylation of 3,6-Pyridazinediones

D STEFANYE,WL HOWARD

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTACYLATION OF 3,6-PYRIDAZINEDIONESDAVID STEFANYE and WILLIAM L. HOWARDCite this: J. Org. Chem. 1954, 19, 1, 115–118Publication Date (Print):January 1, 1954Publication History Published online1 May 2002Published inissue 1 January 1954https://pubs.acs.org/doi/10.1021/jo01366a018https://doi.org/10.1021/jo01366a018research-articleACS PublicationsRequest reuse permissionsArticle Views176Altmetric-Citations7LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1954Journal of organic chemistry引用：13

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11Acid Dissociation Exponents of Rutin and Xanthorhamnin1

WL HOWARD,SH WENDER

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAcid Dissociation Exponents of Rutin and Xanthorhamnin1William L. Howard and Simon H. WenderCite this: J. Am. Chem. Soc. 1952, 74, 1, 143–144Publication Date (Print):January 1, 1952Publication History Published online1 May 2002Published inissue 1 January 1952https://pubs.acs.org/doi/10.1021/ja01121a036https://doi.org/10.1021/ja01121a036research-articleACS PublicationsRequest reuse permissionsArticle Views93Altmetric-Citations5LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1952JOURNAL OF THE AMERICAN CHEMICAL SOCIETY（1952）引用：28

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12The Isolation of Quercitrin from Peanut Hulls

S H Wender,William L Howard,Carl D Douglass

1950Journal of the American Chemical Society（1950）引用：25

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13The Isolation of Quercitrin from Peanut Hulls

CD DOUGLASS,WL HOWARD,SH WENDER

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Isolation of Quercitrin from Peanut HullsCarl D. Douglass, William L. Howard, and Simon H. WenderCite this: J. Am. Chem. Soc. 1950, 72, 9, 4177–4178Publication Date (Print):September 1, 1950Publication History Published online1 May 2002Published inissue 1 September 1950https://pubs.acs.org/doi/10.1021/ja01165a094https://doi.org/10.1021/ja01165a094research-articleACS PublicationsRequest reuse permissionsArticle Views71Altmetric-Citations3LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1950Journal of the American Chemical Society（1950）引用：6

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14The Isolation of Isoquercitrin from Air-Dried Tobacco.

WL HOWARD,TB GAGE,SH WENDER

1950ARCHIVES OF BIOCHEMISTRY（1950）引用：24

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15The Isolation of Isoquercitrin from the Seed Pods of Cercis-Canadensis

CD DOUGLASS,WL HOWARD,SH WENDER

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Isolation of Isoquercitrin from the Seed Pods of Cercis canadensisCarl D. Douglass, William L. Howard, and Simon H. WenderCite this: J. Am. Chem. Soc. 1949, 71, 8, 2658–2659Publication Date (Print):August 1, 1949Publication History Published online1 May 2002Published inissue 1 August 1949https://pubs.acs.org/doi/10.1021/ja01176a016https://doi.org/10.1021/ja01176a016research-articleACS PublicationsRequest reuse permissionsArticle Views91Altmetric-Citations5LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts

1949JOURNAL OF THE AMERICAN CHEMICAL SOCIETY（1949）引用：11

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