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公开(公告)号:US20220220237A1
公开(公告)日:2022-07-14
申请号:US17607551
申请日:2019-04-30
Applicant: Dow Global Technologies LLC
Inventor: Xiaosong Wu , Colin Li Pi Shan , Juan C. Tuberquia , Tao Han , Guangming Li
IPC: C08F210/18 , C08F2/06
Abstract: The present disclosure provides a composition. The composition can be formed into a foam composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/non-conjugated polyene interpolymer includes from greater than 6.0 wt % to 15.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 85 to 95; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; and (v) a Mw
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公开(公告)号:US11345797B2
公开(公告)日:2022-05-31
申请号:US16639681
申请日:2018-08-24
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor: Colin Li Pi Shan , Lixin Sun , Jeff F. Manganelli , Timothy E. Clayfield
Abstract: A composition comprising an ethylene/C5-C10 alpha-olefin/non-conjugated polyene interpolymer, wherein the interpolymer meets the following relationship: Tg (° C.)≤[0.625(° C./wt %)XC−55° C.], where Tg is the glass transition temperature of the interpolymer, and XC is the wt % crystallinity of the interpolymer.
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公开(公告)号:US10344154B2
公开(公告)日:2019-07-09
申请号:US15538953
申请日:2015-12-11
Applicant: Dow Global Technologies LLC
Inventor: Xiaosong Wu , Colin Li Pi Shan , Kim L. Walton , Gary R. Marchand
IPC: C08L23/14 , C08L23/16 , C08L53/00 , C08F297/08
Abstract: A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
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公开(公告)号:US20190055386A1
公开(公告)日:2019-02-21
申请号:US16089937
申请日:2017-03-31
Applicant: Dow Global Technologies LLC
Inventor: Colin Li Pi Shan , Jihean Lee , Raymond L. Laakso, Jr. , Yushan Hu , Eddy I. Garcia-Meitin
Abstract: A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt % to 50 wt % of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt % to 90 wt % of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm3 to 0.910 g/cm3, and (c) optionally, from 30 wt % to 70 wt % of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm3.
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公开(公告)号:US20190027269A1
公开(公告)日:2019-01-24
申请号:US15755713
申请日:2016-08-22
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary , Juan C. Tuberquia , Rennisha Wickham , Philip P. Fontaine , Colin Li Pi Shan , Morgan M. Hughes , Jan Bazen , Edward O. Madenjian , Gregory J. Brennan
IPC: H01B3/44 , C08F210/16 , C08K3/34 , C09D123/08
Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 89 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190 C and 10% strain of 1,200 Pa·s or less, (iii) a shear thinning ratio (V0.1/V100) at 190 C and 10% strain of at least 8, and (iv) a melt index (I2) greater than 1 g/10 minutes; and (b) 10 to less than 90 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.
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公开(公告)号:US20170369691A1
公开(公告)日:2017-12-28
申请号:US15538953
申请日:2015-12-11
Applicant: Dow Global Technologies LLC
Inventor: Xiaosong Wu , Colin Li Pi Shan , Kim L. Walton , Gary R. Marchand
IPC: C08L23/16 , C08F297/08 , C08L23/14 , C08L53/00
CPC classification number: C08L23/16 , C08F297/083 , C08L23/14 , C08L53/00
Abstract: A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
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公开(公告)号:US20150217544A1
公开(公告)日:2015-08-06
申请号:US14425400
申请日:2013-09-13
Applicant: Dow Global Technologies LLC
Inventor: Yushan Hu , Burcak Conley , Kim L. Walton , Colin Li Pi Shan , Gary R. Marchand , Rajen M. Patel , Eva-Maria Kupsch , Brian W. Walther
CPC classification number: B32B27/08 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/34 , B32B2250/03 , B32B2250/40 , B32B2274/00 , B32B2307/31 , B32B2307/7244 , B32B2307/734 , B32B2307/738 , B32B2439/70 , Y10T428/31757 , Y10T428/31913
Abstract: Disclosed are multilayer structures comprising a polyolefin layer, a tie layer and a barrier layer wherein the tie layer is a formulation comprising a crystalline block copolymer composite (CBC) comprising i) an ethylene polymer (EP) comprising at least 90 mol % polymerized ethylene; ii) an alpha-olefin-based crystalline polymer (CAOP) and iii) a block copolymer comprising (a) an ethylene polymer block comprising at least 90 mol % polymerized ethylene and (b) a crystalline alpha-olefin block (CAOB).
Abstract translation: 公开了包含聚烯烃层,连结层和阻挡层的多层结构,其中连接层是包含结晶嵌段共聚物复合物(CBC)的制剂,其包含i)包含至少90mol%聚合的乙烯的乙烯聚合物(EP) ii)基于α-烯烃的结晶聚合物(CAOP)和iii)包含(a)包含至少90mol%聚合的乙烯和(b)结晶α-烯烃嵌段(CAOB))的乙烯聚合物嵌段的嵌段共聚物。
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公开(公告)号:US20250051528A1
公开(公告)日:2025-02-13
申请号:US18719488
申请日:2021-12-17
Applicant: Dow Global Technologies LLC
Inventor: Yunfeng Yang , Yabin Sun , Colin Li Pi Shan , Gaoxiang Wu , Wenxin Zhang
Abstract: A process to form a crosslinked composition, the process comprising thermally treating a composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si—H group, b) at least one peroxide, and c) at least one crosslinking coagent, wherein the composition has a mole ratio of active oxygen atom to carbon-carbon double bond of ≥0.02 and ≤0.7, based on the active oxygen atom content of component b and the carbon-carbon double bond content of component c. A composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si—H group, b) at least one peroxide, and c) at least one crosslinking coagent, wherein the composition has a mole ratio of active oxygen atom to carbon-carbon double bond of ≥0.02 and ≤0.7, based on the active oxygen atom content of component b and the carbon-carbon double bond content of component c.
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公开(公告)号:US20250051527A1
公开(公告)日:2025-02-13
申请号:US18719393
申请日:2021-12-17
Applicant: Dow Global Technologies LLC
Inventor: Bo Lyu , Xiaochun Liu , Yabin Sun , Wenxin Zhang , Colin Li Pi Shan , Gaoxiang Wu
Abstract: A process to form a crosslinked, foamed composition, and related processes and compositions, the process comprising thermally treating a first composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si—H group, b) at least one peroxide, and c) at least one blowing agent.
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公开(公告)号:US12098268B2
公开(公告)日:2024-09-24
申请号:US17607530
申请日:2019-04-30
Applicant: Dow Global Technologies LLC
Inventor: Xiaosong Wu , Tao Han , Colin Li Pi Shan
IPC: C08F210/18 , C08L23/16
CPC classification number: C08L23/16
Abstract: The present disclosure provides a composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/nonconjugated polyene interpolymer includes from greater than 0 wt % to 6.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 80 to 85; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; (v) a tan delta ratio from 0.6 to 0.9; and (vi) an absolute tan delta slope from 5.0 to less than 10.0.
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