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1. 发明申请

WO2019115588A1 FLAME RETARDANT AND FIRE RESISTANT POLYOLEFIN COMPOSITION 审中-公开
公开(公告)号：WO2019115588A1
公开(公告)日：2019-06-20
申请号：PCT/EP2018/084492
申请日：2018-12-12
申请人： BOREALIS AG
发明人： NILSSON, Susanne , NILSSON, Linnéa , SULTAN, Bernt-Åke
IPC分类号： H01B7/00 , C08L23/08 , C08K3/22 , C08K3/38
CPC分类号： C08L23/0892 , C08G77/04 , C08G77/18 , C08K2003/387 , C08K2201/005 , C08K2201/006 , C08L83/04 , C08K3/22 , C08L83/00 , C08K3/38
摘要： The present invention is directed to a polyolefin composition which has flame retardant and/or fire resistant properties and is suitable as flame retardant and/or fire resistant layer of a wire or cable. The polyolefin composition of the present invention comprises an polyolefin homo- or copolymer, ground magnesium hydroxide having particle size distribution D 50 of 1.5 to 5.0 μm in an amount of 30 to 65 wt% based on the weight of the polyolefin composition, and a silicone fluid or gum in an amount of 0.1 to 20 wt% based on the weight of the polyolefin composition. The present invention is further directed to a wire or cable comprising one or more layers, wherein at least one layer thereof is obtained from the polyolefin composition of the present invention. Finally, the present invention is further directed to the use of a polyolefin composition of the present invention as a flame retardant layer of a wire or cable.

2. 发明申请

WO2021028492A1 UV STABILIZATION OF A CROSS-LINKABLE POLYOLEFIN COMPOSITION COMPRISING AN ACIDIC SILANOL CONDENSATION CATALYST 审中-公开
公开(公告)号：WO2021028492A1
公开(公告)日：2021-02-18
申请号：PCT/EP2020/072660
申请日：2020-08-12
申请人： BOREALIS AG
发明人： HELLSTRÖM, Stefan , GSCHNEIDTNER, Tina , NILSSON, Susanne , BERNT-ÅKE, Sultan , HERMANSSON, Emma
IPC分类号： C08K5/13 , C08K5/132 , C08K5/3435 , C08K5/3492 , C08K5/42
摘要： The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups; an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst (B) is present in an amount of 0.0001 to 3 wt.% of the polyolefin composition; at least one UV stabilizer selected from the group consisting of phenols, triazines, benzophenones, triazoles and/or combinations thereof; and at least one UV stabilizer of the hindered amine type (HALS) which is present in an amount of 0.0001 to 0.1 wt.% of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

3. 发明申请

WO2021028491A1 UV STABILIZATION OF A CROSS-LINKABLE POLYOLEFIN COMPOSITION COMPRISING AN ACIDIC SILANOL CONDENSATION CATALYST 审中-公开
公开(公告)号：WO2021028491A1
公开(公告)日：2021-02-18
申请号：PCT/EP2020/072659
申请日：2020-08-12
申请人： BOREALIS AG
发明人： HELLSTRÖM, Stefan , GSCHNEIDTNER, Tina , NILSSON, Susanne , SULTAN, Bernt-Åke , HERMANSSON, Emma
IPC分类号： C08K5/13 , C08K5/132 , C08K5/3435 , C08K5/3492 , C08K5/42
摘要： The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt.% of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt.% of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt.% of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

4. 发明申请

WO2023061908A1 FLAME RETARDANT POLYMER COMPOSITION 审中-公开
公开(公告)号：WO2023061908A1
公开(公告)日：2023-04-20
申请号：PCT/EP2022/078042
申请日：2022-10-10
申请人： BOREALIS AG
发明人： NILSSON, Susanne , KARLSSON, Victoria , SULTAN, Bernt-Åke , RIBARITS, Elisabeth , KARLSSON, Linus , EFRAIMSSON, Lars
IPC分类号： C08L23/06
摘要： The present invention relates to a flame retardant polymer composition comprising (A) 2.0 to 15.0 wt% of a copolymer of ethylene comprising units selected from the group consisting of methyl acrylate, methyl methacrylate or mixtures thereof; (B) 0 to 4.0 wt% of a polyethylene and/or polypropylene containing units originating from maleic acid anhydride; (C) 0.1 to 3.0 wt% of a silicon fluid and/or silicone gum; (D) 40.0 to 55.0 wt% of a magnesium hydroxide; (E) 2.0 to 15.0 wt% of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 860 to 910 kg/m³, determined according to ISO 1183; (F) 18.0 to 35.0 wt% of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 920 to 960 kg/m³, determined according to ISO 1183, and a melt flow rate MFR5 of from 0.05 to 2.50 g/10 min, determined according to ISO 1133 at a temperature of 190°C and a load of 5.0 kg; and (G) 0 to 8.0 wt% of carbon black, wherein all weight percentages are based on the total weight of the flame retardant polymer composition; an article, such as a wire or cable, comprising said flame retardant polymer composition; and the use of said flame retardant polymer composition for the production of an article, such as a wire or cable.

5. 发明申请

WO2023057519A1 CABLE 审中-公开
公开(公告)号：WO2023057519A1
公开(公告)日：2023-04-13
申请号：PCT/EP2022/077711
申请日：2022-10-05
申请人： BOREALIS AG
发明人： NILSSON, Susanne , CHENG, Joy Jie , PRADES, Floran Régis , GITSAS, Antonios
IPC分类号： C08K3/36 , C08K5/3492 , C08L23/10 , H01B3/44 , C08K3/22 , C08K2003/2227 , C08K5/34922 , C08L23/04 , C08L23/06 , C08L23/12 , C08L23/14 , H01B3/441
摘要： The invention provides a cable, preferably a power cable, comprising one or more conductors surrounded by at least one layer, preferably an insulation layer, wherein said layer comprises a polymer composition comprising: (i) at least 75 wt% of an ethylene based plastomer; and (ii) 0.2 to 10 wt% of an amine filler, oxide filler or mixture thereof; and wherein said polymer composition has a dielectric loss expressed as tan δ (50 Hz) of 200 x 10-4 or less, when measured at 500 V/mm and 90°C as described in the description part under "Determination methods".

6. 发明申请

WO2020126618A1 CROSSLINKING ACCELERATORES FOR SILANE-GROUP CONTAINING POLYMER COMPOSITIONS 审中-公开
公开(公告)号：WO2020126618A1
公开(公告)日：2020-06-25
申请号：PCT/EP2019/084234
申请日：2019-12-09
申请人： BOREALIS AG
发明人： SULTAN, Bernt-Ake , NILSSON, Susanne , SMEDBERG, Annika
IPC分类号： C08K3/20 , C08K5/56 , C08K5/57 , C08L23/02 , C08L23/26 , C08L43/04
摘要： The present invention relates to a cross-linkable, grafted or non-grafted polymer composition comprising a cross-linkable copolymer containing hydrolysable silane groups. The invention further relates to a crosslinked polymer composition obtained by cross-linking the cross-linkable copolymer containing hydrolysable silane groups and an article comprising the same. The present invention also relates to the use of one or more cross-linking accelerators for accelerating the crosslinking of a cross-linkable copolymer containing hydrolysable silane groups.

7. 发明申请

WO2023062062A1 HALOGEN-FREE FLAME RETARDANT POLYMER COMPOSITION 审中-公开
公开(公告)号：WO2023062062A1
公开(公告)日：2023-04-20
申请号：PCT/EP2022/078361
申请日：2022-10-12
申请人： BOREALIS AG
发明人： PELLECCHIA, Roberta , NILSSON, Susanne , GITSAS, Antonios
IPC分类号： C08L23/08
摘要： The present invention relates to a halogen-free flame retardant polymer composition, particularly a flame retardant polymer composition comprising zirconium phosphate and further relates to a wire or cable comprising at least one layer comprising the above flame retardant polymer composition and to the use of zirconium phosphate for improving the flame retardant and/or water absorption properties of a polymer composition. The flame retardant polymer composition comprises at least (A) 2.0 to 49.8 wt.-%, based on the overall weight of the polymer composition of an ethylene copolymer containing monomer units with polar groups; (C) 30 to 65 wt.-%, based on the overall weight of the polymer composition of a flame retardant filler; (D) 2.0 to 10.0 wt.-%, based on the overall weight of the polymer composition of zirconium phosphate, and optionally (B) up to 6.0 wt.-%, based on the overall weight of the polymer composition of an ethylene homo- or copolymer and/or a propylene homo- or copolymer containing units originating from maleic acid anhydride and/or further optionally (E) up to 17.0 wt.-% based on the overall weight of the polymer composition of a copolymer of ethylene and a C4 to C10 alpha olefin comonomer having a density in the range of 860 kg/m3 to 965 kg/m3, determined according to ISO 1183.

8. 发明申请

WO2021111006A1 FLAME RETARDANT POLYMER COMPOSITION 审中-公开
公开(公告)号：WO2021111006A1
公开(公告)日：2021-06-10
申请号：PCT/EP2020/084915
申请日：2020-12-07
申请人： BOREALIS AG
发明人： NILSSON, Susanne , EFRAIMSSON, Lars , JUNQVIST, Jonas , KARLSSON, Victoria , SULTAN, Bernt-Åke
IPC分类号： C08L23/08 , C08K5/00
摘要： The present invention relates to a flame retardant polymer composition comprising at least the following components A) 2.0 to 49.8 wt.-% based on the overall weight of the polymer composition of a copolymer comprising ethylene units and units selected from the group consisting of methyl acrylate, methyl methacrylate and mixtures thereof; B) 0.1 to 6.0 wt.-% based on the overall weight of the polymer composition of a polyethylene and/or polypropylene containing units originating from maleic acid anhydride; C) 0.1 to 5.0 wt.-% based on the overall weight of the polymer composition of a silicone fluid and/or a silicon gum; D) 50.0 to 70.0 wt.-% based on the overall weight of the polymer composition of a magnesium hydroxide; and E) 0 to 17.0 wt.-% based on the overall weight of the polymer composition of a copolymer of ethylene and a C4 to C10 alpha olefin comonomer having a density in the range of 860 kg/m3 to 950 kg/m3 determined according to ISO 1183; wherein the weight proportions of components A) to E) add up to 100 wt.-%. In addition, the present invention refers to a wire or cable comprising at least one layer comprising the polymer composition according to the present invention and to the use of the polyolefin composition according to the present invention as a flame retardant layer of a wire or cable.

9. 发明申请

WO2019115546A1 FLAME RETARDANT AND FIRE RESISTANT POLYOLEFIN COMPOSITION 审中-公开
公开(公告)号：WO2019115546A1
公开(公告)日：2019-06-20
申请号：PCT/EP2018/084396
申请日：2018-12-11
申请人： BOREALIS AG
发明人： NILSSON, Susanne , NILSSON, Linnéa , SULTAN, Bernt-Åke
IPC分类号： C08L23/08 , H01B7/00 , H01B3/44 , C08K3/22 , C08K3/38
摘要： The present invention is directed to a polyolefin composition which has flame retardant and/or fire resistant properties and is suitable as flame retardant and/or fire resistant layer of a wire or cable. The polyolefin composition of the present invention comprises an polyolefin homo- or copolymer, a metal hydroxide in an amount of 30 to 60 wt% based on the weight of the polyolefin composition, and a borate in an amount of 5 to 25 wt%, based on the weight of the polyolefin composition. The present invention is further directed to a wire or cable comprising one or more layers, wherein at least one layer thereof is obtained from the polyolefin composition of the present invention. Finally, the present invention is further directed to the use of a polyolefin composition of the present invention as a flame retardant layer of a wire or cable.

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