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公开(公告)号：EP4119612A1
公开(公告)日：2023-01-18
申请号：EP22184887.2
申请日：2022-07-14
发明人： KOBAYASHI, Masato , USUI, Ryoji , SATO, Yuki , KOSE, Osamu
IPC分类号： C08L23/16
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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公开(公告)号：EP4071208A1
公开(公告)日：2022-10-12
申请号：EP20897104.4
申请日：2020-12-03
发明人： AMANO, Yusuke
摘要： Provided is a method of producing a polymer composition that has satisfactory processability, and when containing a filler, has satisfactory dispersibility of the filler, and that is suited for the production of a crosslinked polymer (tire) excellent in low hysteresis loss property. The method of producing a polymer composition according to the invention includes: a first step of kneading (A) a conjugated diene-based polymer that is a polymer of a conjugated diene compound or a copolymer of a conjugated diene compound and an aromatic vinyl compound, and is a reaction product between an active polymerization end and a compound represented by any one of the general formulae (1) to (3), and (B) a basic compound having an acid dissociation constant of 8.0 or more; and a second step of kneading a kneaded product obtained in the first step and a crosslinking agent.
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公开(公告)号：EP4424718A1
公开(公告)日：2024-09-04
申请号：EP22887098.6
申请日：2022-10-27
摘要： A modified conjugated diene-based polymer is produced using production method that includes a step of reacting a conjugated diene-based polymer having an active end with a compound [M]. The conjugated diene-based polymer having an active end is produced by polymerizing a monomer including a conjugated diene compound in the presence of a polymerization initiator including at least one of an alkali metal compound and an alkaline earth metal compound. The compound [M] has a functional group F1, a functional group F2, and a functional group F3 and no active hydrogen. F1 is a functional group such as "*1-C(=E)-O-" (*1 represents a bond to a carbon atom that constitutes a carbon-carbon unsaturated bond in a chain-like structure or ring-like structure, or a bond to a tertiary carbon atom), F2 is a functional group such as "-C(R7)=N-", and F3 is a functional group such as "-Si(R8)2(OR9)".
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公开(公告)号：EP4287293A1
公开(公告)日：2023-12-06
申请号：EP22745613.4
申请日：2022-01-14
发明人： ITAI, Shingo , ASO, Keigo , IIDA, Masashi , ABE, Tatsuya
IPC分类号： H01M4/13 , H01M4/139 , H01M4/62 , H01M10/052 , H01M10/0562 , H01M10/058
摘要： Provided are a binder for an all-solid-state secondary battery, which is excellent in adhesiveness and flexibility, has a satisfactory cycle life characteristic, and can achieve a high yield, and a binder composition for an all-solid-state secondary battery containing the binder. The binder for an all-solid-state secondary battery according to the present invention includes a conjugated diene-based copolymer (A) that: has an aromatic vinyl unit based on an aromatic vinyl compound and a conjugated diene unit based on a conjugated diene compound; and has a storage elastic modulus (G') of 4.0×10 4 Pa or more and 2.0×10 5 Pa or less and a loss tangent (tan6) of 0.10 or more and 0.80 or less, which 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：EP4287292A1
公开(公告)日：2023-12-06
申请号：EP22745611.8
申请日：2022-01-14
发明人： ITAI, Shingo , ASO, Keigo , IIDA, Masashi , ABE, Tatsuya
IPC分类号： H01M4/13 , H01M4/139 , H01M4/62 , H01M10/052 , H01M10/0562 , H01M10/058
摘要： Provided is 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 according to the present invention 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 MPa 1/2 or more and 17.80 MPa 1/2 or less.
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公开(公告)号：EP4391116A1
公开(公告)日：2024-06-26
申请号：EP22858263.1
申请日：2022-07-25
发明人： NAKAYAMA, Takuya , ASAI, Yuta , MAEGAWA, Maki
摘要： Provided is a binder composition for an electrical storage device, which is excellent in adhesiveness and can improve the charge-discharge durability characteristic of an electrical storage device. The binder composition for an electrical storage device includes: a polymer (A); and a liquid medium (B), wherein when a total of repeating units in the polymer (A) is defined as 100 mass%, the polymer (A) contains 1 mass% to 40 mass% of a repeating unit (a1) derived from an unsaturated carboxylic acid ester having an alicyclic hydrocarbon group, and 45 mass% to 90 mass% of a repeating unit (a2) derived from an unsaturated carboxylic acid ester having an aliphatic hydrocarbon group excluding the unsaturated carboxylic acid ester having an alicyclic hydrocarbon group, and wherein the polymer (A) shows a swelling ratio of 120 mass% or more and 200 mass% or less when immersed in a solvent, which is formed of propylene carbonate and diethyl carbonate at a volume fraction of 1:1, under conditions of 70°C and 24 hours.
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7.发明公开
公开(公告)号：EP4382542A1
公开(公告)日：2024-06-12
申请号：EP22853058.0
申请日：2022-08-02
发明人： SHIN, Kanyou
IPC分类号： C08C19/00 , C08F4/44 , C08F8/06 , C08F8/34 , C08F36/04 , C08K3/04 , C08K3/06 , C08K3/36 , C08L15/00
CPC分类号： Y02T10/86 , C08F36/04 , C08K3/36 , C08L15/00 , C08F8/34 , C08F8/06 , C08F4/44 , C08C19/00 , C08K3/04 , C08K3/06
摘要： Provided is a modified conjugated diene-based polymer having a structural unit derived from a conjugated diene compound and at least one species selected from the group consisting of a partial structure represented by formula (1) and a partial structure represented by formula (2). Each of R1 and R2 independently represents a hydrogen atom or a C1 to C20 hydrocarbyl group. R3 represents a C1 to C20 hydrocarbyl group. Ar1 represents an aryl group. X represents an oxygen atom or a sulfur atom. Mr+ represents a metal ion. n is an integer of 1 to 10. r is an integer of 1 to 4.
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公开(公告)号：EP4325605A1
公开(公告)日：2024-02-21
申请号：EP22788094.5
申请日：2022-04-01
发明人： NAKAYAMA, Takuya , AZECHI, Motohisa
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 tan6 (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 (tanδ1), one peak top in a range of from 15°C or more to less than 85°C (tan62), and one peak top in a range of from 85°C or more to 150°C or less (tanδ3).
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公开(公告)号：EP4203108A1
公开(公告)日：2023-06-28
申请号：EP21858150.2
申请日：2021-07-30
IPC分类号： H01M4/62 , C08F279/02 , C08K5/00 , C08L51/06 , H01G11/06 , H01G11/38 , H01M4/13 , H01M4/139 , H01M4/38 , H01M4/48
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 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 10 mass% of a repeating unit (a2) derived from an unsaturated carboxylic acid, wherein tanδ (loss elastic modulus/storage elastic modulus) in dynamic viscoelasticity of the polymer (A) has one peak top in a range of from -40°C or more to less than 50°C, and has one peak top in a range of from 50°C or more to 150°C or less, and wherein, when the tanδ at the peak top in the range of from -40°C or more to less than 50°C is represented by tanδ(Tp1), and the tanδ at the peak top in the range of from 50°C or more to 150°C or less is represented by tanδ(Tp2), a relationship of the following expression (1) is satisfied. tan δ Tp 2 / tan δ Tp 1 ≥ 0.5
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公开(公告)号：EP4257368A1
公开(公告)日：2023-10-11
申请号：EP21903255.4
申请日：2021-12-01
发明人： KIKUCHI, Toshimitsu , SENGA, Hirofumi , SAKAGAMI, Yuto , SANO, Takuya , FUKUMOTO, Takato , HAYAKAWA, Toshiyuki
摘要： A polymer composition includes a conjugated diene-based polymer (A) and a filler having a Mohs hardness of 5 or more (B), wherein the conjugated diene-based polymer (A) comprises a polymer (Al) satisfying expression (i) when a composition ratio (molar ratio) of a structural unit represented by formula (1), a structural unit represented by formula (2), a structural unit represented by formula (3) and a structural unit represented by formula (4) in the polymer is p, q, r and s, respectively. 0.75 ≤ p + 0.5 × r / p + q + 0.5 × r + s ≤ 0.95
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