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公开(公告)号：US12012507B2
公开(公告)日：2024-06-18
申请号：US17821547
申请日：2022-08-23
发明人： Shouhei Sasama , Yuki Sato , Osamu Kose
IPC分类号： C08L23/16
CPC分类号： C08L23/16 , C08L2205/025 , C08L2205/03 , C08L2207/04 , C08L2207/322 , C08L2312/00
摘要： Provided is a thermoplastic elastomer composition obtained by melt-kneading an ethylene/α-olefin/non-conjugated polyene copolymer rubber (A) that is a copolymer of ethylene, an α-olefin having 3 to 20 carbon atoms, and a non-conjugated polyene, a polyolefin resin (B), and a mineral oil-based softening agent (C) in the presence of an organic peroxide (D) and a crosslinking aid (E), the thermoplastic elastomer composition having a shear viscosity of from 5 Pa·s to 20 Pa·s at 140° C. and 10,000 s−1.
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公开(公告)号：US20240120489A1
公开(公告)日：2024-04-11
申请号：US18263236
申请日：2022-01-14
发明人： Shingo ITAI , Keigo ASO , Masashi IIDA , Tatsuya ABE
IPC分类号： H01M4/62 , C08F36/06 , C08K5/544 , H01M10/0562 , H01M10/058
CPC分类号： H01M4/622 , C08F36/06 , C08K5/544 , H01M10/0562 , H01M10/058 , H01M2004/028
摘要： A binder for an all-solid-state secondary battery, which can suppress binder migration in a production process for an electrode of an all-solid-state secondary battery, leading to satisfactory binding properties and flexibility of the resultant electrode, and to excellent lithium ion conductivity, and by extension, can achieve a satisfactory cycle life characteristic. The binder for an all-solid-state secondary battery includes a conjugated diene-based polymer (A) that has a conjugated diene unit based on a conjugated diene compound, and has a solubility parameter (SP value) of 16.80 MPa1/2 or more and 17.80 Mpa1/2 or less.
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公开(公告)号：US20230178737A1
公开(公告)日：2023-06-08
申请号：US17906449
申请日：2021-03-10
发明人： Tatsuya ABE , Keigo ASO , Shingo ITAI , Masashi IIDA
IPC分类号： H01M4/62 , C08F236/10 , C08K5/13
CPC分类号： H01M4/621 , H01M4/628 , C08F236/10 , C08K5/13
摘要： A binder composition for an all-solid-state secondary battery, may have excellent long-term storage stability and lithium ion conductivity, and may be capable of achieving a satisfactory cycle life characteristic even under a high voltage. Such a binder composition for an all-solid-state secondary battery may include: a polymer (A) having an aromatic vinyl unit based on an aromatic vinyl compound and a conjugated diene unit based on a conjugated diene compound; an anti-aging agent (B) at 200 ppm or more and 5,000 ppm or less with respect to a total mass of the binder composition for an all-solid-state secondary battery; and a liquid medium (C).
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公开(公告)号：US20220278330A1
公开(公告)日：2022-09-01
申请号：US17638754
申请日：2020-08-18
发明人： Takuya NAKAYAMA , Yoshiharu OTSUKA , Souichi SAIJO
IPC分类号： H01M4/62 , C08F212/08 , C08F236/10 , H01M4/38 , H01M4/1395 , H01M4/04 , H01M4/66 , H01M10/0525
摘要： A binder composition for an electrical storage device, may allow producing an electrical storage device electrode excellent in flexibility and adhesiveness, and show satisfactory charge-discharge durability. Such binder compositions may include: a polymer (A); and a liquid medium (B), wherein, with respect to 100 parts by mass in total of repeating units contained in the polymer (A), the polymer (A) contains: 20 parts by mass to 60 parts by mass of a repeating unit (a1) derived from a conjugated diene compound; 35 parts by mass to 75 parts by mass of a repeating unit (a2) derived from an aromatic vinyl compound; and 1 part by mass to 10 parts by mass of a repeating unit (a3) derived from an unsaturated carboxylic acid, and wherein a THF-soluble component of the polymer (A) has a weight average molecular weight of from 100,000 to 600,000.
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公开(公告)号：US20220259420A1
公开(公告)日：2022-08-18
申请号：US17618493
申请日：2020-06-10
发明人： Natsumi KOBAYASHI
摘要： Provided is a polymer composition having satisfactory processability and suitable for producing tires having a highly excellent balance among low loss characteristics, wet gripping, and ozone resistance. This polymer composition comprises: (A) a conjugated diene-based polymer which is either a polymer of a conjugated diene compound or a copolymer of a conjugated diene compound and an aromatic vinyl compound, the conjugated diene-based polymer being a reaction product between an active polymerization terminal and a compound represented by any of general formulas (1) to (4); and (B) a halogenated butyl elastomer.
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公开(公告)号：US20220251351A1
公开(公告)日：2022-08-11
申请号：US17438080
申请日：2020-03-30
发明人： Takumi ADACHI , Yuto SAKAGAMI , Hirofumi SENGA , Takuya SANO , Takato FUKUMOTO , Michitaka KAIZU , Toshimitsu KIKUCHI , Toshiyuki HAYAKAWA
IPC分类号： C08L15/00 , C08L9/06 , C08C19/02 , C08C19/22 , C08C19/25 , C08K3/06 , C08K3/36 , C08J3/24 , B60C1/00
摘要： A cross-linked product obtained through crosslinking a polymer composition that contains a rubber component, an inorganic filler and a cross-linking agent and that satisfies conditions (a) to (c): (a) the rubber component contains a conjugated diene-based polymer (A) having, when composition ratios (molar ratios) in the conjugated diene-based polymer (A) of structural units represented by formulae (1) to (4) are p, q, r, and s, respectively, a value α represented by formula (i) of 0.80 or more and 0.97 or less; (b) a blending ratio of the conjugated diene-based polymer (A) is 10% by mass or more relative to a total amount of the rubber component; and (c) a blending ratio of the inorganic filler is 40 to 150 parts by mass relative to 100 parts by mass of the rubber component, wherein the Tg of the cross-linked product is −25° C. or lower.
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7.发明公开公开(公告)号：US20240199767A1
公开(公告)日：2024-06-20
申请号：US18550586
申请日：2022-03-14
发明人： Tatsumoto NAKAHAMA , Toshimitsu KIKUCHI , Hirofumi SENGA , Takuya SANO , Takato FUKUMOTO , Yuto SAKAGAMI , Toshiyuki HAYAKAWA
CPC分类号： C08F8/30 , B60C1/0016 , B60C1/0025 , C08F8/04 , C08F8/42 , C08F36/06
摘要： A conjugated diene-based polymer, having a value α of 0.65 to 0.97 as defined by the following mathematical expression (i):
α=(p+(0.5×r))/(p+q+(0.5×r)+s) (i)
where p, q, r, and s represent compositional molar ratios of structural units in the conjugated diene-based polymer represented by the following formulas (1) to (4), respectively:
The conjugated diene-based polymer contains, in an amount of 25 to 75 mass %, a polymer (A1) including a multi-branched structure having 4 or more molecular chains, and the polymer (A1) has a functional group containing at least one element selected from the group consisting of nitrogen, oxygen, and sulfur at one or both of a terminal and a branching point of the polymer (A1).-
公开(公告)号：US20240194881A1
公开(公告)日：2024-06-13
申请号：US18555156
申请日：2022-04-01
发明人： Takuya NAKAYAMA , Motohisa AZECHI
CPC分类号： H01M4/622 , H01M4/0404 , H01M4/386
摘要： Provided is a binder composition for an electrical storage device, which enables the production of an electrical storage device electrode excellent in repeated charge-discharge characteristic through a reduction in internal resistance and also excellent in charge-discharge durability characteristic under high temperature through an improvement in adhesiveness. The binder composition for an electrical storage device according to the present disclosure includes: a polymer (A); and a liquid medium (B), wherein, with respect to 100 mass % in total of repeating units contained in the polymer (A), the polymer (A) contains: 15 mass % to 60 mass % of a repeating unit (a1) derived from a conjugated diene compound; and 1 mass % to 30 mass % of a repeating unit (a2) derived from an unsaturated carboxylic acid, and wherein tan δ (loss elastic modulus/storage elastic modulus) in dynamic viscoelasticity of the polymer (A) has one peak top in a range of from −50° C. or more to less than 15° C. (tan δ1), one peak top in a range of from 15° C. or more to less than 85° C. (tan δ2), and one peak top in a range of from 85° C. or more to 150° C. or less (tan δ3).
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公开(公告)号：US20240120488A1
公开(公告)日：2024-04-11
申请号：US18263220
申请日：2022-01-14
发明人： Shingo ITAI , Keigo ASO , Masashi IIDA , Tatsuya ABE
IPC分类号： H01M4/62 , H01M4/485 , H01M4/525 , H01M4/583 , H01M10/052 , H01M10/0562
CPC分类号： H01M4/622 , H01M4/485 , H01M4/525 , H01M4/583 , H01M10/052 , H01M10/0562 , H01M2300/0068
摘要： A binder including a conjugated diene-based copolymer (A). The conjugated diene-based copolymer (A) contains an aromatic vinyl unit based on an aromatic vinyl compound and a conjugated diene unit based on a conjugated diene compound. The conjugated diene-based copolymer (A) has a storage elastic modulus (G′) of 4.0×104 Pa or more and 2.0×105 Pa or less and a loss tangent (tan δ) of 0.10 or more and 0.80 or less. The storage elastic modulus and the loss tangent are measured using a dynamic viscoelasticity-measuring apparatus under conditions of a measurement temperature of 25° C., a frequency of 0.1 Hz, and a strain amount of 1%.
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公开(公告)号：US20230041123A1
公开(公告)日：2023-02-09
申请号：US17865562
申请日：2022-07-15
发明人： Masato KOBAYASHI , Ryoji USUI , Yuki SATO , Osamu KOSE
摘要： Provided is a thermoplastic elastomer composition obtained by melt-kneading (A) an ethylene/α-olefin/non-conjugated polyene copolymer rubber that is a copolymer of ethylene, an α-olefin having 3 to 20 carbon atoms and a non-conjugated polyene, (B) a polyolefin resin and (C) a mineral oil-based softening agent in the presence of (D) a crosslinking agent, at least part of the ethylene/α-olefin/non-conjugated polyene copolymer rubber (A) being crosslinked, the thermoplastic elastomer composition having a sea-island structure in which the ethylene/α-olefin/non-conjugated polyene copolymer rubber (A) is dispersed as a dispersed phase (island phase) in a continuous phase (sea phase) of the polyolefin resin (B), and when a cross-section of the composition is observed with an atomic force microscope (AFM), a ratio of (b) a local elastic modulus of the continuous phase to (a) a local elastic modulus of the dispersed phase being from 10 to 30.
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