PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and preparation method thereof
The invention belongs to the technical field of filtration materials and discloses a PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and a preparation method thereof. The filtration material is characterized in that base cloth is in a three-layer...
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| creator | REN HUITAO LU YUANBIN SHEN ZHAOXU SONG CHUANBO QI GUISHAN |
| description | The invention belongs to the technical field of filtration materials and discloses a PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and a preparation method thereof. The filtration material is characterized in that base cloth is in a three-layer structure with a middle glass fiber base cloth layer and upper and lower web layers, and each web layer is a mixed fiber layer formed by cross lapping of, by mass, 3%-10% of aramid conductive fibers, 10%-15% of polyimide fibers and 75%-87% of glass fibers. According to the preparation method, the polyimide fibers and the aramid conductive fibers are subjected to opening jointly prior to joint fiber carding along with the glass fibers. The thickness of the web layers is controlled through control of gram weight of the web layers, reasonability in matching is achieved, and full play of high temperature resistance and antistatic performances is guaranteed.
种玻纤复合针刺毡覆PTFE膜过滤材料及其制备方法，属于过滤材料技术领域。其特征在于；所述的基布为中间层为玻纤基布上下两层均 |
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种玻纤复合针刺毡覆PTFE膜过滤材料及其制备方法，属于过滤材料技术领域。其特征在于；所述的基布为中间层为玻纤基布上下两层均</description><language>chi ; eng</language><subject>PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; TRANSPORTING</subject><creationdate>2017</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=20171103&DB=EPODOC&CC=CN&NR=107308726A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171103&DB=EPODOC&CC=CN&NR=107308726A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>REN HUITAO</creatorcontrib><creatorcontrib>LU YUANBIN</creatorcontrib><creatorcontrib>SHEN ZHAOXU</creatorcontrib><creatorcontrib>SONG CHUANBO</creatorcontrib><creatorcontrib>QI GUISHAN</creatorcontrib><title>PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and preparation method thereof</title><description>The invention belongs to the technical field of filtration materials and discloses a PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and a preparation method thereof. The filtration material is characterized in that base cloth is in a three-layer structure with a middle glass fiber base cloth layer and upper and lower web layers, and each web layer is a mixed fiber layer formed by cross lapping of, by mass, 3%-10% of aramid conductive fibers, 10%-15% of polyimide fibers and 75%-87% of glass fibers. According to the preparation method, the polyimide fibers and the aramid conductive fibers are subjected to opening jointly prior to joint fiber carding along with the glass fibers. The thickness of the web layers is controlled through control of gram weight of the web layers, reasonability in matching is achieved, and full play of high temperature resistance and antistatic performances is guaranteed.
种玻纤复合针刺毡覆PTFE膜过滤材料及其制备方法，属于过滤材料技术领域。其特征在于；所述的基布为中间层为玻纤基布上下两层均</description><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjr0KwkAQhNNYiPoOa6eF4A-orYjBSizsw8bMaWBze9ytRXof3Cu0txqYb2Z3hsX7eitPNAsqvcEiO3lpVNizF3jMqUNXR_agu7KhoYdwSuTaGjFbXdDUGsgDjWTqIJah5EPWqqcud2LLQuwbChGBfyB_0IbsiQh142LgWBImXx0V0_J0O54XCFohBb7nLVYdL6vlbrPc79bbw-afzAfefkuB</recordid><startdate>20171103</startdate><enddate>20171103</enddate><creator>REN HUITAO</creator><creator>LU YUANBIN</creator><creator>SHEN ZHAOXU</creator><creator>SONG CHUANBO</creator><creator>QI GUISHAN</creator><scope>EVB</scope></search><sort><creationdate>20171103</creationdate><title>PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and preparation method thereof</title><author>REN HUITAO ; LU YUANBIN ; SHEN ZHAOXU ; SONG CHUANBO ; QI GUISHAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN107308726A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2017</creationdate><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>REN HUITAO</creatorcontrib><creatorcontrib>LU YUANBIN</creatorcontrib><creatorcontrib>SHEN ZHAOXU</creatorcontrib><creatorcontrib>SONG CHUANBO</creatorcontrib><creatorcontrib>QI GUISHAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>REN HUITAO</au><au>LU YUANBIN</au><au>SHEN ZHAOXU</au><au>SONG CHUANBO</au><au>QI GUISHAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and preparation method thereof</title><date>2017-11-03</date><risdate>2017</risdate><abstract>The invention belongs to the technical field of filtration materials and discloses a PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and a preparation method thereof. The filtration material is characterized in that base cloth is in a three-layer structure with a middle glass fiber base cloth layer and upper and lower web layers, and each web layer is a mixed fiber layer formed by cross lapping of, by mass, 3%-10% of aramid conductive fibers, 10%-15% of polyimide fibers and 75%-87% of glass fibers. According to the preparation method, the polyimide fibers and the aramid conductive fibers are subjected to opening jointly prior to joint fiber carding along with the glass fibers. The thickness of the web layers is controlled through control of gram weight of the web layers, reasonability in matching is achieved, and full play of high temperature resistance and antistatic performances is guaranteed.
种玻纤复合针刺毡覆PTFE膜过滤材料及其制备方法，属于过滤材料技术领域。其特征在于；所述的基布为中间层为玻纤基布上下两层均</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING |
| title | PTFE (polytetrafluoroethylene) membrane coated glass fiber composite needled felt filtration material and preparation method thereof |
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