Ethylene/propylene/nonconjugated diene interpolymer composition

    公开(公告)号:US11866530B2

    公开(公告)日:2024-01-09

    申请号:US17607551

    申请日:2019-04-30

    IPC分类号: C08F210/18 C08F2/06

    CPC分类号: C08F210/18 C08F2/06

    摘要: 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/nonconjugated 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) Mw

    POLYOLEFIN COMPOSITIONS HAVING IMPROVED VOLUME RESISTIVITY

    公开(公告)号:US20220298338A1

    公开(公告)日:2022-09-22

    申请号:US17638431

    申请日:2019-08-30

    IPC分类号: C08L23/08

    摘要: The present disclosure relates to a curable composition comprising: (A) a polyolefin; (B) siliceous earth; (C) a crosslink agent; (D) a crosslinking co-agent; and, optionally, (E) an additive component, where the curable composition demonstrates improved electrical properties. The present disclosure further relates to a crosslinked polymer composition that is the reaction product of the curable composition, where improved electrical properties are demonstrated as well.

    Air-Curable Ethylene/Alpha-Olefin/Diene Interpolymer Composition

    公开(公告)号:US20200263018A1

    公开(公告)日:2020-08-20

    申请号:US16652123

    申请日:2017-11-08

    IPC分类号: C08L23/16

    摘要: A composition comprises (A) an ethylene/alpha-olefin/diene interpolymer; (B) a peroxide comprising at least one peroxide bond; and (C) a bis-TEMPO compound having the Structure (I), wherein R1-4 are each independently H or a C1-C6 alkyl group; X is S, O, N, P, Se, a carbonyl group, a carboxyl group, an amide group, an azo group, an imino group, a carbamate group, a peroxy group, a phosphono group, a phosphate group, a sulfonyl group, a sulfinyl group, a sulfonate ester group, a sulfonate ester group, or combinations thereof; Y is a substitute or unsubstituted aliphatic alkyl group or aromatic alkyl group, a heterocyclic group, a siloxane group, an ethylene glycol group, an imide group, or combinations thereof; and n is greater than 1. The ratio of the molar amount of nitroxide groups of component (C) to the molar amount of the peroxide bonds of component (B) is from 0.100:1.000 to 2.000:1.000.

    PHOSPHATE ENHANCED, HEAT RESISTANT ETHYLENE/ALPHA-OLEFININTERPOLYMER COMPOSITIONS

    公开(公告)号:US20210246291A1

    公开(公告)日:2021-08-12

    申请号:US17049492

    申请日:2018-04-27

    摘要: The present application relates to a composition comprising the following components: A) at least one ethylene/alpha-olefin interpolymer; B) a peroxide; C) at least one filler selected from one or more carbon black samples, MgO, or a combination thereof; and optionally, at least one filler selected from silica, ZnO, CaCO3, A1 (OH)3, Mg (OH)2, or a combination thereof; D) a calculated P content from 0.010 wt % to 0.300 wt %, based on the weight of the composition, and wherein the calculated P content is the calculated content the phosphorus element present in one or more phosphate compounds selected from Structure 1 below: O═P (OR1) (OR2) (OR3) (Structure 1), wherein R1, R2 and R3 are each, independently, selected from i) a non-aromatic hydrocarbon or ii) a non-aromatic hydrocarbon comprising at least one heteroatom, excluding P.

    Ethylene/Propylene/Nonconjugated Diene Interpolymer Composition

    公开(公告)号:US20220213305A1

    公开(公告)日:2022-07-07

    申请号:US17607530

    申请日:2019-04-30

    IPC分类号: C08L23/16

    摘要: 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.

    Air Curable Ethylene/Alpha-Olefin/Diene Interpolymer Composition

    公开(公告)号:US20200255639A1

    公开(公告)日:2020-08-13

    申请号:US16651855

    申请日:2017-09-30

    IPC分类号: C08L23/08 C08K5/3435

    摘要: A composition is composed of (A) an ethylene/alpha-olefin/diene TEMPO compound having the Structure (I) and (D) a peroxide. The molar ratio of isocyanate groups of Component (B) to the functional groups of Component (C) is from 0.80 to 1.10. A composition is composed of (A) an ethylene/alpha-olefin/diene interpolymer; a second composition comprising a reaction mixture comprising (B) an isocyanate comprising at least two isocyanate groups and (C) a TEMPO compound having the Structure (I) and (D) a peroxide, wherein the molar ratio of isocyanate groups of Component (B) to the functional groups of Component (C) is from 0.80 to 1.10. In Structure I, R1, R2, R3 and R4 are each independently selected from H and C1-C6 alkyl groups and X is a functional group selected from OH and NH2.