FLAME- RETARDANT ELECTRICAL CABLE
A flame-retardant electric cable (10;20) having a core comprising at least one electric conductor (11), an electrically insulating coating (12) and an outermost layer (13a;14) made from a flame-retardant polymer composition comprising:a) polyvinylchloride (PVC) as base polymer;b) 25-45% (70-110 phr)...
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| creator | RODA, Elena GALLETTI, Franco |
| description | A flame-retardant electric cable (10;20) having a core comprising at least one electric conductor (11), an electrically insulating coating (12) and an outermost layer (13a;14) made from a flame-retardant polymer composition comprising:a) polyvinylchloride (PVC) as base polymer;b) 25-45% (70-110 phr) by weight of at least one metal hydroxide;c) 0.4-3% (about 1-8 phr) by weight of an optionally surface-treated montmorillonite having average particle dimensions of from 5 to 20 µm;d) 1.2-3% (about 3-8 phr) by weight of antimony trioxide;wherein the sum of the amount of montmorillonite and antimony trioxide is at least 5.5 phr and wherein the antimony trioxide and montmorillonite are in a ratio of from 1:0.1 to 1:2.5.Such a cable has improved reaction to fire performances, especially reduced dripping or absence of dripping during burning, which render it compliant with the requirements of the more recent international standards. |
| format | Patent |
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GALLETTI, Franco</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3832672C03</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CABLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CONDUCTORS</topic><topic>ELECTRICITY</topic><topic>INSULATORS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>RODA, Elena</creatorcontrib><creatorcontrib>GALLETTI, Franco</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RODA, Elena</au><au>GALLETTI, Franco</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FLAME- RETARDANT ELECTRICAL CABLE</title><date>2023-07-05</date><risdate>2023</risdate><abstract>A flame-retardant electric cable (10;20) having a core comprising at least one electric conductor (11), an electrically insulating coating (12) and an outermost layer (13a;14) made from a flame-retardant polymer composition comprising:a) polyvinylchloride (PVC) as base polymer;b) 25-45% (70-110 phr) by weight of at least one metal hydroxide;c) 0.4-3% (about 1-8 phr) by weight of an optionally surface-treated montmorillonite having average particle dimensions of from 5 to 20 µm;d) 1.2-3% (about 3-8 phr) by weight of antimony trioxide;wherein the sum of the amount of montmorillonite and antimony trioxide is at least 5.5 phr and wherein the antimony trioxide and montmorillonite are in a ratio of from 1:0.1 to 1:2.5.Such a cable has improved reaction to fire performances, especially reduced dripping or absence of dripping during burning, which render it compliant with the requirements of the more recent international standards.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | FLAME- RETARDANT ELECTRICAL CABLE |
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