Method for preparing high-toughness strontium ferrite/PPS (polyphenylene sulfite) injection molding granules through in-situ polymerization
The invention discloses a method for preparing high-toughness PPS (polyphenylene sulfite)-based strontium ferrite injection molding granules. The method comprises the following steps of: step one. synthesizing a toughening agent by a hydrothermal method, adhering strontium ferrite to the surface of...
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| creator | ZHENG JINGWU LI WANGCHANG SHEN SENQI CHE SHENGLEI QIAO LIANG CHEN HAIBO CAI WEI YING YAO LI RONGYAO YU LIANG |
| description | The invention discloses a method for preparing high-toughness PPS (polyphenylene sulfite)-based strontium ferrite injection molding granules. The method comprises the following steps of: step one. synthesizing a toughening agent by a hydrothermal method, adhering strontium ferrite to the surface of the toughening agent in an in-situ polymerization mode, centrifuging, washing and drying to obtain atoughening master batch; and step two. mixing the toughening master batch obtained in the step one with strontium ferrite magnetic powder and a polymer adhesive, and carrying out extrusion granulation through a twin-screw extruder. According to the method, a precursor for synthesizing the toughening agent and the magnetic powder are mixed in a solvent in advance, the toughening master batch is obtained through in-situ polymerization, and then the toughening master batch, the residual magnetic powder and the polymer adhesive are mixed, extruded and granulated, so that the problems of non-uniform distribution of the ma |
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The method comprises the following steps of: step one. synthesizing a toughening agent by a hydrothermal method, adhering strontium ferrite to the surface of the toughening agent in an in-situ polymerization mode, centrifuging, washing and drying to obtain atoughening master batch; and step two. mixing the toughening master batch obtained in the step one with strontium ferrite magnetic powder and a polymer adhesive, and carrying out extrusion granulation through a twin-screw extruder. According to the method, a precursor for synthesizing the toughening agent and the magnetic powder are mixed in a solvent in advance, the toughening master batch is obtained through in-situ polymerization, and then the toughening master batch, the residual magnetic powder and the polymer adhesive are mixed, extruded and granulated, so that the problems of non-uniform distribution of the ma</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; ELECTRICITY ; INDUCTANCES ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MAGNETS ; MAKING GRANULES OR PREFORMS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSFORMERS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2021</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=20210115&DB=EPODOC&CC=CN&NR=112223578A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210115&DB=EPODOC&CC=CN&NR=112223578A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHENG JINGWU</creatorcontrib><creatorcontrib>LI WANGCHANG</creatorcontrib><creatorcontrib>SHEN SENQI</creatorcontrib><creatorcontrib>CHE SHENGLEI</creatorcontrib><creatorcontrib>QIAO LIANG</creatorcontrib><creatorcontrib>CHEN HAIBO</creatorcontrib><creatorcontrib>CAI WEI</creatorcontrib><creatorcontrib>YING YAO</creatorcontrib><creatorcontrib>LI RONGYAO</creatorcontrib><creatorcontrib>YU LIANG</creatorcontrib><title>Method for preparing high-toughness strontium ferrite/PPS (polyphenylene sulfite) injection molding granules through in-situ polymerization</title><description>The invention discloses a method for preparing high-toughness PPS (polyphenylene sulfite)-based strontium ferrite injection molding granules. 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The method comprises the following steps of: step one. synthesizing a toughening agent by a hydrothermal method, adhering strontium ferrite to the surface of the toughening agent in an in-situ polymerization mode, centrifuging, washing and drying to obtain atoughening master batch; and step two. mixing the toughening master batch obtained in the step one with strontium ferrite magnetic powder and a polymer adhesive, and carrying out extrusion granulation through a twin-screw extruder. According to the method, a precursor for synthesizing the toughening agent and the magnetic powder are mixed in a solvent in advance, the toughening master batch is obtained through in-situ polymerization, and then the toughening master batch, the residual magnetic powder and the polymer adhesive are mixed, extruded and granulated, so that the problems of non-uniform distribution of the ma</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY INDUCTANCES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MAGNETS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSFORMERS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method for preparing high-toughness strontium ferrite/PPS (polyphenylene sulfite) injection molding granules through in-situ polymerization |
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