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公开(公告)号:US20180134864A1
公开(公告)日:2018-05-17
申请号:US15567641
申请日:2016-04-20
发明人: Weiqi CAO , Shaogang XU , Waldo Joseph Elisabeth BEEK , Auke Gerardus TALMA , Jan Martijn VAN DER SCHUUR , Daan WILLINK
CPC分类号: C08K3/06 , B60C1/00 , B60C1/0016 , C08J3/247 , C08J2307/00 , C08K3/04 , C08K3/36 , C08K5/0025 , C08K5/14 , C08L7/00
摘要: A crosslinkable rubber composition comprising:—natural rubber or a rubber blend comprising natural rubber and 0-25 wt % EPDM,—elemental sulfur—one or more sulfur cure accelerators or sulfur donors, and—at least one organic peroxide with a 10 hour half-life in monochlorobenzene at a temperature in the range 95-145′C, wherein the weight ratio of the total amount of sulfur cure accelerators and sulfur donors relative to the amount of elemental sulfur is not higher than 2.5, and wherein the composition is substantially free of non-diene rubber.
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公开(公告)号:US20180155480A1
公开(公告)日:2018-06-07
申请号:US15567090
申请日:2016-04-21
IPC分类号: C08F255/04 , C08F255/06 , C08F255/10 , C08F222/40 , C08F8/48 , C08J3/24 , C08L23/16 , C08L23/12 , C08L23/06
CPC分类号: C08F255/04 , C08F8/48 , C08F222/40 , C08F255/06 , C08F255/10 , C08F2222/402 , C08F2222/408 , C08F2810/40 , C08J3/24 , C08J2300/26 , C08J2307/00 , C08J2323/06 , C08J2323/12 , C08J2323/16 , C08J2323/36 , C08J2325/06 , C08J2325/10 , C08J2331/04 , C08J2351/04 , C08L23/06 , C08L23/12 , C08L23/16 , C08L2312/00
摘要: Process for modifying a polymer comprising the steps of (a) mixing the polymer with a maleimide-functionalized mono-azide and/or a citraconimide-functionalized mono-azide at a temperature in the range 80-250° C. to form a functionalized polymer, and (b) reacting the functionalized polymer with a substance containing one or more functional groups that can react with a maleimide or citraconimide functional group.
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公开(公告)号:US20160347876A1
公开(公告)日:2016-12-01
申请号:US15034720
申请日:2014-10-31
CPC分类号: C08F8/30 , C08F8/34 , C08J3/247 , C08J2323/36 , C08K5/14 , C08K5/15 , C08L23/16 , H01B3/441 , H01B7/0208 , H01B13/0036 , C08L23/26 , C08L23/36 , C08L2023/40
摘要: Process for functionalising an ethylene-based (co)polymer comprising the step of contacting an ethylene-based (co)polymer at a temperature in the range 100-250° C. with an azide of formula (I) wherein Y is either (Ia) or (Ib) m is 0 or 1, n is 0 or 1, n+m=1 or 2, and X is a linear or branched, aliphatic or aromatic hydrocarbon moiety with 1-12 carbon atoms, optionally containing heteroatoms.
摘要翻译: 包括使乙烯基(共)聚合物在100-250℃的温度下与式(I)的叠氮化物接触的步骤,其中Y是(Ia) 或(Ib)m为0或1,n为0或1,n + m = 1或2,X为任选含有杂原子的具有1至12个碳原子的直链或支链的脂族或芳族烃部分。
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公开(公告)号:US20190276652A1
公开(公告)日:2019-09-12
申请号:US16463034
申请日:2017-11-21
摘要: Peroxide masterbatch comprising: —15-55 wt % of one or more organic peroxides, —15-45 wt % of one or more copolymers of at least two different monomers, the first monomer being ethylene or propylene, the second monomer being a vinyl monomer comprising at least four carbon atoms and optionally heteroatoms, —6-70 wt % of at least two filler types—filler type 1 and filler type 2—each having a different BET surface area: (i) filler type 1 being present in the masterbatch in a concentration of 3-30 wt % and having a BET surface area of more than 100 m2/g; (ii) filler type 2 being present in the masterbatch in a concentration of 3-40 wt % and having a BET surface area of 100 m2/g or less; wherein the masterbatch has the form of extrudates.
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公开(公告)号:US20190276614A1
公开(公告)日:2019-09-12
申请号:US16463051
申请日:2017-11-21
IPC分类号: C08J3/22 , C08K5/14 , C08K3/013 , C08K3/04 , C08K3/36 , C08K3/26 , C08K3/30 , C08K3/34 , C08L23/16
摘要: Peroxide masterbatch comprising:—15-55 wt % of one or more organic peroxides,—15-45 wt % of at least one copolymer of (i) ethylene or propylene and (ii) 1-butene and/or 1-octene, and 13-45 wt % of at least two types of fillers—filler type 1 and filler type 2—each having a different BET surface area: (i) filler type 1 being present in the masterbatch in a concentration of 3-15 wt % and having a BET surface area of more than 100 m2/g; (ii) filler type 2 being present in the masterbatch in a concentration of 10-30 wt % and having a BET surface area of 100 m2/g or less.
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公开(公告)号:US20200223956A1
公开(公告)日:2020-07-16
申请号:US16640784
申请日:2018-08-21
发明人: Wilhelm Klaas FRIJLINK , Jan Martijn VAN DER SCHUUR , Auke Gerardus TALMA , Waldo Joseph Elisabeth BEEK , Hendrikus Johannes Maria KAMP
摘要: A process for enhancing the melt strength of polypropylene by extruding said polypropylene in a twin-screw extruder, under inert atmosphere, at a temperature between about 150° C. and about 300° C., and in the presence of about 0.1 to about 3.0 wt %, based on the weight of the polypropylene, of a para-substituted dibenzoyl peroxide.
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公开(公告)号:US20180118857A1
公开(公告)日:2018-05-03
申请号:US15568545
申请日:2016-04-21
IPC分类号: C08C19/30 , C08J3/24 , C08G81/02 , C08K5/28 , C08L9/06 , C08L23/06 , C08L23/12 , C08L23/16 , C08L23/26
CPC分类号: C08C19/30 , C08C19/00 , C08G81/02 , C08J3/247 , C08J2325/10 , C08J2331/04 , C08J2351/04 , C08K5/28 , C08L9/06 , C08L23/06 , C08L23/12 , C08L23/16 , C08L23/26 , C08L2205/08
摘要: Process for functionalizing a polymer by treating said polymer at a temperature in the range 80-250° C. with a monoazide of the formula wherein m is 0 or 1, n is 0 or 1, n+m=1 or 2, X is a linear or branched, aliphatic or aromatic hydrocarbon moiety with 1-12 carbon atoms, optionally containing heteroatoms, Rb is selected from the group consisting of hydrogen, linear and branched alkyl groups with 1-6 carbon atoms optionally substituted with O, S, P, Si, or N-containing functional groups, alkoxy groups with 1-6 carbon atoms, and halogens, and each Ra is individually selected from hydrogen, linear or branched alkyl groups with 1-6 carbon atoms, or may form a saturated or unsaturated aliphatic or aromatic ring structure with at least one other Ra.
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公开(公告)号:US20180086887A1
公开(公告)日:2018-03-29
申请号:US15567108
申请日:2016-04-24
CPC分类号: C08J3/247 , C08F8/36 , C08J3/24 , C08J2323/26 , C08J2323/36 , C08K5/053 , C08K5/08 , C08K5/14 , C08K5/3415 , C08K5/3435 , H01B3/441 , H01B13/14 , C08L23/12
摘要: Process for crosslinking polypropylene comprising the steps of (a) treating a mixture of (i) polypropylene, (ii) a maleimide-functionalized mono-azide and/or a citraconimide-functionalized mono-azide, and (iii) a radical scavenger selected from the group consisting of hydroquinone, hydroquinone derivatives, benzoquinone, benzoquinone derivatives, catechol, catechol derivatives, 2,2,6,6-tetramethylpiperidinooxy (TEMPO), TEMPO derivatives, and combinations thereof, at a temperature in the range 120-250° C. to form a functionalized polypropylene, and (b) reacting the functionalized polypropylene with a peroxide at a temperature in the range 150-350° C.
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公开(公告)号:US20160280805A1
公开(公告)日:2016-09-29
申请号:US15035008
申请日:2014-10-31
IPC分类号: C08C19/22 , C08K3/36 , C07D317/34
CPC分类号: C08C19/22 , C07D317/34 , C07D319/06 , C08C19/20 , C08F8/30 , C08F8/34 , C08F8/36 , C08F8/40 , C08K3/36
摘要: Cyclic carbonate azide having a structure according to the following formula (A) wherein R1-R5 are independently selected from the group consisting of hydrogen, C6-20 aryl, C7-36 aralkyl, and C1-30 alkyl groups; said aryl, aralkyl, and alkyl groups my optionally be substituted with heteroatoms, X is a hydrocarbon moiety having at least one carbon atom, T has the structure —N(R6)— or —O—, R6 is selected from the group consisting of hydrogen and C1-20 alkyl groups, optionally substituted with heteroatoms, k is 0, 1, or 2, m is 0 or 1, n is 0 or 1, p is 1 or 2, Z is an aliphatic or aromatic hydrocarbon moiety having at least one carbon atom, optionally substituted with heteroatoms, and Y is either (B) or C) or (D).
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