Controllable biodegradable large-particle fertilizer base material as well as preparation method and application thereof
The invention discloses a controllable biodegradable large-particle fertilizer base material, and belongs to the technical field of materials and fertilizers. The base material comprises the following components in parts by weight: 28-63 parts of starch, 7-35 parts of polyvinyl alcohol, 0-7 parts of...
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| creator | LI ZHIFENG GAN TAO ZHANG YANJUAN TAN YUBEN HU HUAYU HUANG ZUQIANG |
| description | The invention discloses a controllable biodegradable large-particle fertilizer base material, and belongs to the technical field of materials and fertilizers. The base material comprises the following components in parts by weight: 28-63 parts of starch, 7-35 parts of polyvinyl alcohol, 0-7 parts of metal salt, 14-26 parts of citric acid, 1-3 parts of sodium hydroxide, 15-30 parts of glycerol and 0-10 parts of deionized water. The preparation method of the base material comprises the following technical steps: (1) preparing citric acid starch ester; (2) mixing citric acid starch ester/polyvinyl alcohol and metal salt; and (3) extrusion molding. By adjusting the ratio of the starch to the polyvinyl alcohol and chelating and bridging the starch and the polyvinyl alcohol through metal ions of the metal salt, the hydrophobic property and the mechanical property of the base material can be changed, so that the base material has the characteristic of controllable microbial degradation, and therefore, the base mater |
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By adjusting the ratio of the starch to the polyvinyl alcohol and chelating and bridging the starch and the polyvinyl alcohol through metal ions of the metal salt, the hydrophobic property and the mechanical property of the base material can be changed, so that the base material has the characteristic of controllable microbial degradation, and therefore, the base mater</description><language>chi ; eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; DERIVATIVES THEREOF ; FERTILISERS ; FERTILISERS CHARACTERISED BY THEIR FORM ; GENERAL PROCESSES OF COMPOUNDING ; MANUFACTURE THEREOF ; METALLURGY ; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 ; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS ; ORGANIC MACROMOLECULAR COMPOUNDS ; POLYSACCHARIDES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WORKING-UP</subject><creationdate>2022</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=20220930&DB=EPODOC&CC=CN&NR=115124391A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220930&DB=EPODOC&CC=CN&NR=115124391A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI ZHIFENG</creatorcontrib><creatorcontrib>GAN TAO</creatorcontrib><creatorcontrib>ZHANG YANJUAN</creatorcontrib><creatorcontrib>TAN YUBEN</creatorcontrib><creatorcontrib>HU HUAYU</creatorcontrib><creatorcontrib>HUANG ZUQIANG</creatorcontrib><title>Controllable biodegradable large-particle fertilizer base material as well as preparation method and application thereof</title><description>The invention discloses a controllable biodegradable large-particle fertilizer base material, and belongs to the technical field of materials and fertilizers. 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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM GENERAL PROCESSES OF COMPOUNDING MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Controllable biodegradable large-particle fertilizer base material as well as preparation method and application thereof |
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