Surface modification method of polyvinyl alcohol fiber for biodegradable plastic
The invention relates to a surface modification method of polyvinyl alcohol fibers for biodegradable plastics, and belongs to the technical field of biodegradable fibers. According to the method, the polyvinyl alcohol fiber is subjected to surface modification through two-step reaction. The preparat...
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| creator | WANG LEI ZHENG RUIHANG GUO BIN |
| description | The invention relates to a surface modification method of polyvinyl alcohol fibers for biodegradable plastics, and belongs to the technical field of biodegradable fibers. According to the method, the polyvinyl alcohol fiber is subjected to surface modification through two-step reaction. The preparation method comprises the following steps: firstly, carrying out graft modification on the polyvinyl alcohol fiber by using succinic anhydride, grafting carboxyl onto the surface of the polyvinyl alcohol fiber, and further grafting iminodiacetic acid onto the surface of the polyvinyl alcohol fiber. The maximum pull-out load and corresponding pull-out strength of the surface-modified polyvinyl alcohol fiber prepared by the method in a biodegradable plastic film are obviously superior to those of unmodified polyvinyl alcohol fiber and polyvinyl alcohol fiber subjected to surface modification by independently using succinic anhydride, and the whole biodegradable plastic subjected to fiber reinforcement still keeps biod |
| format | Patent |
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According to the method, the polyvinyl alcohol fiber is subjected to surface modification through two-step reaction. The preparation method comprises the following steps: firstly, carrying out graft modification on the polyvinyl alcohol fiber by using succinic anhydride, grafting carboxyl onto the surface of the polyvinyl alcohol fiber, and further grafting iminodiacetic acid onto the surface of the polyvinyl alcohol fiber. The maximum pull-out load and corresponding pull-out strength of the surface-modified polyvinyl alcohol fiber prepared by the method in a biodegradable plastic film are obviously superior to those of unmodified polyvinyl alcohol fiber and polyvinyl alcohol fiber subjected to surface modification by independently using succinic anhydride, and the whole biodegradable plastic subjected to fiber reinforcement still keeps biod</description><language>chi ; eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; GENERAL PROCESSES OF COMPOUNDING ; LAUNDERING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TREATMENT OF TEXTILES OR THE LIKE ; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS ; WORKING-UP</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240927&DB=EPODOC&CC=CN&NR=118704231A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240927&DB=EPODOC&CC=CN&NR=118704231A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG LEI</creatorcontrib><creatorcontrib>ZHENG RUIHANG</creatorcontrib><creatorcontrib>GUO BIN</creatorcontrib><title>Surface modification method of polyvinyl alcohol fiber for biodegradable plastic</title><description>The invention relates to a surface modification method of polyvinyl alcohol fibers for biodegradable plastics, and belongs to the technical field of biodegradable fibers. According to the method, the polyvinyl alcohol fiber is subjected to surface modification through two-step reaction. The preparation method comprises the following steps: firstly, carrying out graft modification on the polyvinyl alcohol fiber by using succinic anhydride, grafting carboxyl onto the surface of the polyvinyl alcohol fiber, and further grafting iminodiacetic acid onto the surface of the polyvinyl alcohol fiber. 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According to the method, the polyvinyl alcohol fiber is subjected to surface modification through two-step reaction. The preparation method comprises the following steps: firstly, carrying out graft modification on the polyvinyl alcohol fiber by using succinic anhydride, grafting carboxyl onto the surface of the polyvinyl alcohol fiber, and further grafting iminodiacetic acid onto the surface of the polyvinyl alcohol fiber. The maximum pull-out load and corresponding pull-out strength of the surface-modified polyvinyl alcohol fiber prepared by the method in a biodegradable plastic film are obviously superior to those of unmodified polyvinyl alcohol fiber and polyvinyl alcohol fiber subjected to surface modification by independently using succinic anhydride, and the whole biodegradable plastic subjected to fiber reinforcement still keeps biod</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LAUNDERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WORKING-UP |
| title | Surface modification method of polyvinyl alcohol fiber for biodegradable plastic |
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