Influence of phytic acid on flame retardancy and adhesion performance enhancement of poly (vinyl alcohol) hydrogel coating to wood substrate
Traditional fireproof strategies for wood mainly involve using organic flame retardants that may affect human health and environment, there is a need to explore a greener and nontoxic method. Herein, we proposed an easy-to-process, environmentally friendly and highly efficient polyvinyl alcohol (PVA...
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| Veröffentlicht in: | Progress in organic coatings 2021-12, Vol.161, p.106453, Article 106453 |
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| creator | Zhao, Xiaojiong Liang, Ziwei Huang, Yubin Hai, Yu Zhong, Xiaodi Xiao, Shu Jiang, Saihua |
| description | Traditional fireproof strategies for wood mainly involve using organic flame retardants that may affect human health and environment, there is a need to explore a greener and nontoxic method. Herein, we proposed an easy-to-process, environmentally friendly and highly efficient polyvinyl alcohol (PVA)/phytic acid (PA) hydrogel coating to improve flame retardancy of wood by freeze-thaw cycles. PA can promote the gelatinization of PVA and further enhance mechanical properties and flame retardancy of PVA coating. The obtained PVA/PA hydrogel coating shows better adhesion and fire-safety performance compared to pure PVA hydrogel coating, including achieving 151.68 kPa of adhesion strength, reaching V0 rating in UL-94 test, a significant enhancement of time to ignition (TTI, from 63 s to 130 s), and 51.47% and 55.47% decrease in the mean heat release rate (HRR) and total release rate (THR), respectively. The PVA/PA coating with enhanced superior adhesion and flame-retardant properties ensures the fire-safety of wood for its wide applications as structural materials in architecture and furniture fields.
•Polyvinyl alcohol and phytic acid are easy-to-get and the hydrogel synthesis is facile.•The PVA/PA hydrogel exhibits enhanced adhesion and flame retardancy.•The green fireproof hydrogel coating does not release any toxic volatiles. |
| doi_str_mv | 10.1016/j.porgcoat.2021.106453 |
| format | Article |
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•Polyvinyl alcohol and phytic acid are easy-to-get and the hydrogel synthesis is facile.•The PVA/PA hydrogel exhibits enhanced adhesion and flame retardancy.•The green fireproof hydrogel coating does not release any toxic volatiles.</description><subject>Adhesive strength</subject><subject>Coating</subject><subject>Enhanced adhesion</subject><subject>Fire resistance</subject><subject>Fireproofing</subject><subject>Flame retardancy</subject><subject>Flame retardants</subject><subject>Freeze thaw cycles</subject><subject>Heat release rate</subject><subject>Hydrogel coating</subject><subject>Hydrogels</subject><subject>Mechanical properties</subject><subject>Mechanisms</subject><subject>Performance enhancement</subject><subject>Phytic acid</subject><subject>Polyvinyl alcohol</subject><subject>Safety</subject><subject>Substrates</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkE1rGzEQhkVooW7av1AEuTSHdfVlrfeWEPoRCOSSQm9iLI28MmtpI8kp-x_6o7tbt-eeBmbe952Zh5APnK054_rTYT2mvLcJ6lowweemVht5QVZ828pGSv7jFVkxyVjTKcXekLelHBhjWspuRX7dRz-cMFqkydOxn2qwFGxwNEXqBzgizVghO4h2ohAdBddjCfN0xOxTPsLixdgv9Yix_slJw0Q_voQ4DRQGm_o0XNN-cjntcaDLqSHuaU30Z0qOltOu1AwV35HXHoaC7__WS_L9y-enu2_Nw-PX-7vbh8ZKxWqz47qTSuGGSwQL3dYJptpOWI8OLNrWWysA3UaqTihsHW89bLjeaubbHXB5Sa7OuWNOzycs1RzSKcd5pRGaayFa0apZpc8qm1MpGb0ZczhCngxnZiFvDuYfebOQN2fys_HmbMT5h5eA2RQbFsQuZLTVuBT-F_Eb0lCTWw</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Zhao, Xiaojiong</creator><creator>Liang, Ziwei</creator><creator>Huang, Yubin</creator><creator>Hai, Yu</creator><creator>Zhong, Xiaodi</creator><creator>Xiao, Shu</creator><creator>Jiang, Saihua</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>202112</creationdate><title>Influence of phytic acid on flame retardancy and adhesion performance enhancement of poly (vinyl alcohol) hydrogel coating to wood substrate</title><author>Zhao, Xiaojiong ; Liang, Ziwei ; Huang, Yubin ; Hai, Yu ; Zhong, Xiaodi ; Xiao, Shu ; Jiang, Saihua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-b169344e513eaca98d204792cfedacec7fcc2aed534924e7d17fa516860f7ba13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adhesive strength</topic><topic>Coating</topic><topic>Enhanced adhesion</topic><topic>Fire resistance</topic><topic>Fireproofing</topic><topic>Flame retardancy</topic><topic>Flame retardants</topic><topic>Freeze thaw cycles</topic><topic>Heat release rate</topic><topic>Hydrogel coating</topic><topic>Hydrogels</topic><topic>Mechanical properties</topic><topic>Mechanisms</topic><topic>Performance enhancement</topic><topic>Phytic acid</topic><topic>Polyvinyl alcohol</topic><topic>Safety</topic><topic>Substrates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Xiaojiong</creatorcontrib><creatorcontrib>Liang, Ziwei</creatorcontrib><creatorcontrib>Huang, Yubin</creatorcontrib><creatorcontrib>Hai, Yu</creatorcontrib><creatorcontrib>Zhong, Xiaodi</creatorcontrib><creatorcontrib>Xiao, Shu</creatorcontrib><creatorcontrib>Jiang, Saihua</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, Xiaojiong</au><au>Liang, Ziwei</au><au>Huang, Yubin</au><au>Hai, Yu</au><au>Zhong, Xiaodi</au><au>Xiao, Shu</au><au>Jiang, Saihua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of phytic acid on flame retardancy and adhesion performance enhancement of poly (vinyl alcohol) hydrogel coating to wood substrate</atitle><jtitle>Progress in organic coatings</jtitle><date>2021-12</date><risdate>2021</risdate><volume>161</volume><spage>106453</spage><pages>106453-</pages><artnum>106453</artnum><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>Traditional fireproof strategies for wood mainly involve using organic flame retardants that may affect human health and environment, there is a need to explore a greener and nontoxic method. Herein, we proposed an easy-to-process, environmentally friendly and highly efficient polyvinyl alcohol (PVA)/phytic acid (PA) hydrogel coating to improve flame retardancy of wood by freeze-thaw cycles. PA can promote the gelatinization of PVA and further enhance mechanical properties and flame retardancy of PVA coating. The obtained PVA/PA hydrogel coating shows better adhesion and fire-safety performance compared to pure PVA hydrogel coating, including achieving 151.68 kPa of adhesion strength, reaching V0 rating in UL-94 test, a significant enhancement of time to ignition (TTI, from 63 s to 130 s), and 51.47% and 55.47% decrease in the mean heat release rate (HRR) and total release rate (THR), respectively. The PVA/PA coating with enhanced superior adhesion and flame-retardant properties ensures the fire-safety of wood for its wide applications as structural materials in architecture and furniture fields.
•Polyvinyl alcohol and phytic acid are easy-to-get and the hydrogel synthesis is facile.•The PVA/PA hydrogel exhibits enhanced adhesion and flame retardancy.•The green fireproof hydrogel coating does not release any toxic volatiles.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2021.106453</doi></addata></record> |
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| ispartof | Progress in organic coatings, 2021-12, Vol.161, p.106453, Article 106453 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Adhesive strength Coating Enhanced adhesion Fire resistance Fireproofing Flame retardancy Flame retardants Freeze thaw cycles Heat release rate Hydrogel coating Hydrogels Mechanical properties Mechanisms Performance enhancement Phytic acid Polyvinyl alcohol Safety Substrates |
| title | Influence of phytic acid on flame retardancy and adhesion performance enhancement of poly (vinyl alcohol) hydrogel coating to wood substrate |
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