Polylactic acid packaging film with controlled-release antioxidant activity and preparation method thereof
The invention discloses a polylactic acid packaging film with controlled-release antioxidant activity. The polylactic acid packaging film comprises the following components in percentage by mass: 80-98% of matrix resin and 2-20% of natural antioxidant-loaded multi-walled carbon nanotube particles. T...
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| creator | JIAN LUYIN DONG XUELAN CUI RUI QIN YUYUE JIANG KAI LU WANGWEI FANG KE |
| description | The invention discloses a polylactic acid packaging film with controlled-release antioxidant activity. The polylactic acid packaging film comprises the following components in percentage by mass: 80-98% of matrix resin and 2-20% of natural antioxidant-loaded multi-walled carbon nanotube particles. The polylactic acid packaging film is prepared by loading a natural antioxidant onto a multi-walled carbon nanotube, then mixing the natural antioxidant-loaded multi-walled carbon nanotube with the matrix resin, and carrying out extrusion by adopting a melt extrusion method, wherein the matrix resinis a blend of polylactic acid and poly trimethylene carbonate. According to the invention, raw materials used in a preparation method can be biodegraded, and production process is simple; the multi-walled carbon nanotube is used for loading the natural antioxidant, and slow release of the natural antioxidant can be effectively controlled, so the timeliness of the antioxidant effect of the packaging film is improved; and t |
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The polylactic acid packaging film comprises the following components in percentage by mass: 80-98% of matrix resin and 2-20% of natural antioxidant-loaded multi-walled carbon nanotube particles. The polylactic acid packaging film is prepared by loading a natural antioxidant onto a multi-walled carbon nanotube, then mixing the natural antioxidant-loaded multi-walled carbon nanotube with the matrix resin, and carrying out extrusion by adopting a melt extrusion method, wherein the matrix resinis a blend of polylactic acid and poly trimethylene carbonate. According to the invention, raw materials used in a preparation method can be biodegraded, and production process is simple; the multi-walled carbon nanotube is used for loading the natural antioxidant, and slow release of the natural antioxidant can be effectively controlled, so the timeliness of the antioxidant effect of the packaging film is improved; and t</description><language>chi ; eng</language><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS ; CONVEYING ; GENERAL PROCESSES OF COMPOUNDING ; HANDLING THIN OR FILAMENTARY MATERIAL ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PACKAGES ; PACKAGING ELEMENTS ; PACKING ; PERFORMING OPERATIONS ; STORING ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WORKING-UP</subject><creationdate>2020</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=20200320&DB=EPODOC&CC=CN&NR=110894346A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200320&DB=EPODOC&CC=CN&NR=110894346A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JIAN LUYIN</creatorcontrib><creatorcontrib>DONG XUELAN</creatorcontrib><creatorcontrib>CUI RUI</creatorcontrib><creatorcontrib>QIN YUYUE</creatorcontrib><creatorcontrib>JIANG KAI</creatorcontrib><creatorcontrib>LU WANGWEI</creatorcontrib><creatorcontrib>FANG KE</creatorcontrib><title>Polylactic acid packaging film with controlled-release antioxidant activity and preparation method thereof</title><description>The invention discloses a polylactic acid packaging film with controlled-release antioxidant activity. 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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Polylactic acid packaging film with controlled-release antioxidant activity and preparation method thereof |
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