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1. 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.

2. 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.

3. 发明公开

EP4069776A1 FLAME RETARDANT POLYMER COMPOSITION 审中-公开
公开(公告)号：EP4069776A1
公开(公告)日：2022-10-12
申请号：EP20817370.8
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

4. 发明公开

EP3831875A1 FLAME RETARDANT POLYMER COMPOSITION 审中-公开
公开(公告)号：EP3831875A1
公开(公告)日：2021-06-09
申请号：EP19213848.5
申请日：2019-12-05
申请人： Borealis AG
发明人： NILSSON, Susanne , EFRAIMSSON, Lars , JUNGQVIST, 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 C 4 to C 10 alpha olefin comonomer having a density in the range of 860 kg/m 3 to 950 kg/m 3 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.

5. 发明公开

EP4166609A1 FLAME RETARDANT POLYMER COMPOSITION 有权
公开(公告)号：EP4166609A1
公开(公告)日：2023-04-19
申请号：EP21202561.3
申请日：2021-10-14
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/m 3 , 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/m 3 , determined according to ISO 1183, and a melt flow rate MFRs 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.

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