processo para a produção de um painel acústico de baixa densidade com absorção de som melhorada
A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; an...
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| creator | Qing Yu Mark H. Englert |
| description | A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; and distributing the dilute slurry on a porous carrier to have the slurry dewatered to a base mat by gravity drainage to remove water by gravity. A vacuum is adjusted to gradually apply vacuum to the gravity dewatered base mat to further dewater the base mat without subjecting the mat to static pressure that would compress the base mat. The base mat is dried to form an acoustical ceiling product that has a low density and excellent acoustical absorption properties. |
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Englert</creatorcontrib><description>A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; and distributing the dilute slurry on a porous carrier to have the slurry dewatered to a base mat by gravity drainage to remove water by gravity. A vacuum is adjusted to gradually apply vacuum to the gravity dewatered base mat to further dewater the base mat without subjecting the mat to static pressure that would compress the base mat. The base mat is dried to form an acoustical ceiling product that has a low density and excellent acoustical absorption properties.</description><language>por</language><subject>ADHESIVES ; BUILDING ; CEILINGS ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; CORRECTING FLUIDS ; DYES ; FILLING PASTES ; FIXED CONSTRUCTIONS ; FLOORS ; GENERAL BUILDING CONSTRUCTIONS ; INKS ; INSULATION OR OTHER PROTECTION OF BUILDINGS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; POLISHES ; ROOFS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF MATERIALS THEREFOR ; WALLS, e.g. PARTITIONS ; WOODSTAINS</subject><creationdate>2018</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=20180925&DB=EPODOC&CC=BR&NR=PI0819725B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180925&DB=EPODOC&CC=BR&NR=PI0819725B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Qing Yu</creatorcontrib><creatorcontrib>Mark H. Englert</creatorcontrib><title>processo para a produção de um painel acústico de baixa densidade com absorção de som melhorada</title><description>A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; and distributing the dilute slurry on a porous carrier to have the slurry dewatered to a base mat by gravity drainage to remove water by gravity. A vacuum is adjusted to gradually apply vacuum to the gravity dewatered base mat to further dewater the base mat without subjecting the mat to static pressure that would compress the base mat. The base mat is dried to form an acoustical ceiling product that has a low density and excellent acoustical absorption properties.</description><subject>ADHESIVES</subject><subject>BUILDING</subject><subject>CEILINGS</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>FILLING PASTES</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLOORS</subject><subject>GENERAL BUILDING CONSTRUCTIONS</subject><subject>INKS</subject><subject>INSULATION OR OTHER PROTECTION OF BUILDINGS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>POLISHES</subject><subject>ROOFS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WALLS, e.g. PARTITIONS</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZEgpKMpPTi0uzlcoSCxKVEhUAPJTSg8vP7w4XyElVaE0FyiemZeao5CYfHhXcUlmMlg4KTGzIhHIyCvOTEkE8pPzcxUSk4rzi-Aai4Eiuak5GflFiSmJPAysaYk5xam8UJqbQcnNNcTZQze1ID8-tbggMTk1L7Uk3ikowNPAwtDS3MjUydCYKEUA0edCNQ</recordid><startdate>20180925</startdate><enddate>20180925</enddate><creator>Qing Yu</creator><creator>Mark H. 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Englert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_BRPI0819725B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>por</language><creationdate>2018</creationdate><topic>ADHESIVES</topic><topic>BUILDING</topic><topic>CEILINGS</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLOORS</topic><topic>GENERAL BUILDING CONSTRUCTIONS</topic><topic>INKS</topic><topic>INSULATION OR OTHER PROTECTION OF BUILDINGS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>POLISHES</topic><topic>ROOFS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WALLS, e.g. PARTITIONS</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>Qing Yu</creatorcontrib><creatorcontrib>Mark H. Englert</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Qing Yu</au><au>Mark H. Englert</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>processo para a produção de um painel acústico de baixa densidade com absorção de som melhorada</title><date>2018-09-25</date><risdate>2018</risdate><abstract>A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; and distributing the dilute slurry on a porous carrier to have the slurry dewatered to a base mat by gravity drainage to remove water by gravity. A vacuum is adjusted to gradually apply vacuum to the gravity dewatered base mat to further dewater the base mat without subjecting the mat to static pressure that would compress the base mat. The base mat is dried to form an acoustical ceiling product that has a low density and excellent acoustical absorption properties.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES BUILDING CEILINGS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INKS INSULATION OR OTHER PROTECTION OF BUILDINGS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES ROOFS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WALLS, e.g. PARTITIONS WOODSTAINS |
| title | processo para a produção de um painel acústico de baixa densidade com absorção de som melhorada |
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