Preparation of super-hydrophobic films based on waterborne polyurethane and their hydrophobicity characteristics
•Super-hydrophobic WFPUs films were prepared via one-step spray method under a mild experiment condition.•These films exhibited their extreme water resistance and rapid drying performance.•The superhydrophobic angle of WFPU4 film was 153.82°. Super-hydrophobic films are applied in various antifoulin...
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| Veröffentlicht in: | Progress in organic coatings 2019-10, Vol.135, p.440-448 |
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| creator | Zhao, Bo Jia, Runping |
| description | •Super-hydrophobic WFPUs films were prepared via one-step spray method under a mild experiment condition.•These films exhibited their extreme water resistance and rapid drying performance.•The superhydrophobic angle of WFPU4 film was 153.82°.
Super-hydrophobic films are applied in various antifouling materials such as ship and car due to their extreme water resistance. Herein, we designed and fabricated superhydrophobic waterborne fluorinated polyurethanes films containing guanidine group (WFPUs films) via one-step spray method. It was found that the guanidine and carbonyl groups of WFPUs films rapidly cross-linked by hydrogen bonds obtaining the superhydrophobic WFPUs films with appropriate surface roughness. When the amount of guanidine salt chain extender reached 11%, the water contact angle (CA) and sliding angles (SA) of WFPU4 film were 153.82° and 4.2° ± 0.9°, respectively. The surface energy was also found as |
| doi_str_mv | 10.1016/j.porgcoat.2019.06.025 |
| format | Article |
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Super-hydrophobic films are applied in various antifouling materials such as ship and car due to their extreme water resistance. Herein, we designed and fabricated superhydrophobic waterborne fluorinated polyurethanes films containing guanidine group (WFPUs films) via one-step spray method. It was found that the guanidine and carbonyl groups of WFPUs films rapidly cross-linked by hydrogen bonds obtaining the superhydrophobic WFPUs films with appropriate surface roughness. When the amount of guanidine salt chain extender reached 11%, the water contact angle (CA) and sliding angles (SA) of WFPU4 film were 153.82° and 4.2° ± 0.9°, respectively. The surface energy was also found as <10 mJ/m2. The Ra (surface roughness) value of WFPUs films reduced from 26.3 nm to 5.4 nm. Moreover, upon modified with guanidine group, superhydrophobic WFPU4 film performed the mechanical durability, and the hydrophobicity of cotton was effectively enhanced. And these super-hydrophobic films containing guanidine group have potential applications in the field of environmentally friendly coatings.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/j.porgcoat.2019.06.025</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Carbonyl groups ; Carbonyls ; Contact angle ; Cotton ; Cotton hydrophobicity ; Crosslinking ; Guanidine group ; Hydrogen bonds ; Hydrophobic surfaces ; Hydrophobicity ; Polyurethane resins ; Superhydrophobicity ; Surface energy ; Surface roughness ; Water resistance ; Waterborne polyurethane ; WFPUs films</subject><ispartof>Progress in organic coatings, 2019-10, Vol.135, p.440-448</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Oct 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-f3a4a4a17f8a92558cc7580cd3779e775e9ab15306d665ef3032313f355cf9063</citedby><cites>FETCH-LOGICAL-c340t-f3a4a4a17f8a92558cc7580cd3779e775e9ab15306d665ef3032313f355cf9063</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.porgcoat.2019.06.025$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Zhao, Bo</creatorcontrib><creatorcontrib>Jia, Runping</creatorcontrib><title>Preparation of super-hydrophobic films based on waterborne polyurethane and their hydrophobicity characteristics</title><title>Progress in organic coatings</title><description>•Super-hydrophobic WFPUs films were prepared via one-step spray method under a mild experiment condition.•These films exhibited their extreme water resistance and rapid drying performance.•The superhydrophobic angle of WFPU4 film was 153.82°.
Super-hydrophobic films are applied in various antifouling materials such as ship and car due to their extreme water resistance. Herein, we designed and fabricated superhydrophobic waterborne fluorinated polyurethanes films containing guanidine group (WFPUs films) via one-step spray method. It was found that the guanidine and carbonyl groups of WFPUs films rapidly cross-linked by hydrogen bonds obtaining the superhydrophobic WFPUs films with appropriate surface roughness. When the amount of guanidine salt chain extender reached 11%, the water contact angle (CA) and sliding angles (SA) of WFPU4 film were 153.82° and 4.2° ± 0.9°, respectively. The surface energy was also found as <10 mJ/m2. The Ra (surface roughness) value of WFPUs films reduced from 26.3 nm to 5.4 nm. Moreover, upon modified with guanidine group, superhydrophobic WFPU4 film performed the mechanical durability, and the hydrophobicity of cotton was effectively enhanced. And these super-hydrophobic films containing guanidine group have potential applications in the field of environmentally friendly coatings.</description><subject>Carbonyl groups</subject><subject>Carbonyls</subject><subject>Contact angle</subject><subject>Cotton</subject><subject>Cotton hydrophobicity</subject><subject>Crosslinking</subject><subject>Guanidine group</subject><subject>Hydrogen bonds</subject><subject>Hydrophobic surfaces</subject><subject>Hydrophobicity</subject><subject>Polyurethane resins</subject><subject>Superhydrophobicity</subject><subject>Surface energy</subject><subject>Surface roughness</subject><subject>Water resistance</subject><subject>Waterborne polyurethane</subject><subject>WFPUs films</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkEGLFDEQhYMoOK7-BQl47rbS1Ul335RFV2FhPSh4C5l0xc4w22krGWX-vVlGYW9Sh6Lgfa94T4jXCloFyrw9tFviHz650nagphZMC51-InZqHLBBVN-fih0gQDP1PTwXL3I-AIBBnHZi-8K0OXYlplWmIPNpI26W88xpW9I-ehni8T7Lvcs0y6r57QrxPvFKckvH84mpLK4ebp1lWSiyfATHcpZ-qfa-QjGX6PNL8Sy4Y6ZXf_eV-Pbxw9frT83t3c3n6_e3jcceShPQ9XXUEEY3dVqP3g96BD_jMEw0DJomt1cawczGaAoI2KHCgFr7MNVwV-LNxXfj9PNEudhDOvFaX9oODU7Qm7GrKnNReU45MwW7cbx3fLYK7EO79mD_tWsf2rVgbG23gu8uINUMvyKxzT7S6mmOTL7YOcX_WfwBEXCJYQ</recordid><startdate>201910</startdate><enddate>201910</enddate><creator>Zhao, Bo</creator><creator>Jia, Runping</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201910</creationdate><title>Preparation of super-hydrophobic films based on waterborne polyurethane and their hydrophobicity characteristics</title><author>Zhao, Bo ; Jia, Runping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-f3a4a4a17f8a92558cc7580cd3779e775e9ab15306d665ef3032313f355cf9063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Carbonyl groups</topic><topic>Carbonyls</topic><topic>Contact angle</topic><topic>Cotton</topic><topic>Cotton hydrophobicity</topic><topic>Crosslinking</topic><topic>Guanidine group</topic><topic>Hydrogen bonds</topic><topic>Hydrophobic surfaces</topic><topic>Hydrophobicity</topic><topic>Polyurethane resins</topic><topic>Superhydrophobicity</topic><topic>Surface energy</topic><topic>Surface roughness</topic><topic>Water resistance</topic><topic>Waterborne polyurethane</topic><topic>WFPUs films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Bo</creatorcontrib><creatorcontrib>Jia, Runping</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Progress in organic coatings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Bo</au><au>Jia, Runping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of super-hydrophobic films based on waterborne polyurethane and their hydrophobicity characteristics</atitle><jtitle>Progress in organic coatings</jtitle><date>2019-10</date><risdate>2019</risdate><volume>135</volume><spage>440</spage><epage>448</epage><pages>440-448</pages><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>•Super-hydrophobic WFPUs films were prepared via one-step spray method under a mild experiment condition.•These films exhibited their extreme water resistance and rapid drying performance.•The superhydrophobic angle of WFPU4 film was 153.82°.
Super-hydrophobic films are applied in various antifouling materials such as ship and car due to their extreme water resistance. Herein, we designed and fabricated superhydrophobic waterborne fluorinated polyurethanes films containing guanidine group (WFPUs films) via one-step spray method. It was found that the guanidine and carbonyl groups of WFPUs films rapidly cross-linked by hydrogen bonds obtaining the superhydrophobic WFPUs films with appropriate surface roughness. When the amount of guanidine salt chain extender reached 11%, the water contact angle (CA) and sliding angles (SA) of WFPU4 film were 153.82° and 4.2° ± 0.9°, respectively. The surface energy was also found as <10 mJ/m2. The Ra (surface roughness) value of WFPUs films reduced from 26.3 nm to 5.4 nm. Moreover, upon modified with guanidine group, superhydrophobic WFPU4 film performed the mechanical durability, and the hydrophobicity of cotton was effectively enhanced. And these super-hydrophobic films containing guanidine group have potential applications in the field of environmentally friendly coatings.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2019.06.025</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Progress in organic coatings, 2019-10, Vol.135, p.440-448 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Carbonyl groups Carbonyls Contact angle Cotton Cotton hydrophobicity Crosslinking Guanidine group Hydrogen bonds Hydrophobic surfaces Hydrophobicity Polyurethane resins Superhydrophobicity Surface energy Surface roughness Water resistance Waterborne polyurethane WFPUs films |
| title | Preparation of super-hydrophobic films based on waterborne polyurethane and their hydrophobicity characteristics |
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