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1. 发明授权

US11613675B2 Packaging adhesives comprising low volatile tackifier compositions 有权
公开(公告)号：US11613675B2
公开(公告)日：2023-03-28
申请号：US16775962
申请日：2020-01-29
申请人： Synthomer Adhesive Technologies LLC
发明人： Bing Yuan , James Palmer Dickerson , Bee Kim Liew , Christopher Wayne Osborne , Jacobus Siera
IPC分类号： C09J7/35 , C09J123/08 , C09J153/00 , C08K5/3435 , C08K5/12 , C08K5/17 , C08K5/372 , C08L91/06 , C08K3/013 , C08K5/00
摘要： A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

2. 发明授权

US11560545B2 Polymeric carriers and methods 有权
公开(公告)号：US11560545B2
公开(公告)日：2023-01-24
申请号：US16610325
申请日：2018-05-01
申请人： The Brigham and Women's Hospital, Inc. , Lonza Walkersville Inc.
发明人： Yi Zhang , Natalie Artzi , Kui Wang , Eytan Abraham , Yonatan Levinson
IPC分类号： C12N5/00 , C08L5/02 , C08L5/04 , C08L5/08 , C08L5/12 , C12N5/0775 , C08K5/372 , C08K5/378
摘要： Provided are methods of controlling disassociation of cells from a carrier, compositions, and methods of collecting cells. The methods of controlling disassociation of cells from a carrier may include contacting a polymeric carrier with one or more digesting agents to disassociate at least a portion of a plurality of cells from the polymeric carrier. The polymeric carrier may be crosslinked with a crosslinker including at least one of a redox sensitive moiety, a UV light sensitive moiety, a pH sensitive moiety, and a temperature sensitive moiety.

3. 发明授权

US11427696B2 Curable composition and cured product 有权
公开(公告)号：US11427696B2
公开(公告)日：2022-08-30
申请号：US16776611
申请日：2020-01-30
申请人： AGC Inc.
发明人： Keisuke Takagi , Tomoaki Sakurada , Hidenobu Murofushi
IPC分类号： C08K3/36 , C08K5/101 , C08K5/372
摘要： To provide a curable composition capable of obtaining a cured product which has a high Abbe number, is excellent in transparency and crack resistance, and is capable of suppressing a decrease in transparency over a long period of time; and such a cured product. This curable composition comprises solid silica fine particles A, of which an organic component is at most 5 mass % and the median diameter is from 5 to 20 nm, (meth)acrylate B which has an alicyclic condensed ring, and of which the glass transition temperature of the homopolymer is from 90 to 350° C., epoxy(meth)acrylate C which has no aromatic ring, and in which the amount of substance of ethylenically unsaturated groups is from 0.1 to 3.0 mmol/g (but excluding the (meth)acrylate B), urethane(meth)acrylate D having no aromatic ring (but excluding the (meth)acrylate B and the epoxy(meth)acrylate C), an antioxidant, and a polymerization initiator, wherein said antioxidant comprises an antioxidant having a phenol moiety and an antioxidant having a sulfide moiety (but excluding the antioxidant having a phenol moiety), in the total of the solid silica fine particles A, the (meth)acrylate B, the epoxy(meth)acrylate C and the urethane(meth)acrylate D, the solid silica fine particles A are from 3 to 55 mass %, the (meth)acrylate B is from 3 to 70 mass %, the epoxy (meth)acrylate C is from 10 to 80 mass %, and the urethane(meth)acrylate D is from 0 to 60 mass %, and to 100 parts by mass in total of the solid silica fine particles A, the (meth)acrylate B, the epoxy(meth)acrylate C and the urethane(meth)acrylate D, the antioxidant is from 0.1 to 10 parts by mass, and the polymerization initiator is from 0.1 to 10 parts by mass.

4. 发明授权

US11186667B2 Aqueous binder composition 有权
公开(公告)号：US11186667B2
公开(公告)日：2021-11-30
申请号：US16629746
申请日：2018-07-02
申请人： COVESTRO (NETHERLANDS) B.V.
发明人： Maud Kastelijn , Tijs Nabuurs
IPC分类号： C08F220/06 , C08F2/22 , C08F2/38 , C08F220/14 , C08F220/56 , C08K5/372 , C08L33/12 , C09D133/12 , C08F220/18
摘要： The current invention relates to a process for preparing an aqueous binder composition, the process comprising at least the following steps A) and B): A) preparing carboxylic acid-functional vinyl polymer (Polymer A) by emulsion polymerisation of a monomer composition A comprising the following monomers: Ai) at least one carboxylic acid functional olefinically unsaturated monomer; and Aii) at least one olefinically unsaturated monomer different than Ai); B) preparing vinyl polymer (Polymer B) by emulsion polymerization of a monomer composition B in the presence of Polymer A where the monomer composition B comprises the following monomer(s): Bi) at least one olefinically unsaturated monomer; Bii) optionally carboxylic acid functional olefinically unsaturated monomer different than Bi); where at least part of the carboxylic acid groups of Polymer A are deprotonated to obtain ionic or potentially ionic water-dispersing groups; where the acid value of Polymer B is lower than the acid value of Polymer A; where the weight average molecular weight (Mw) of Polymer B is higher than the weight average molecular weight (Mw) of Polymer A; where the glass transition temperature of Polymer B is equal to or lower than that of Polymer A; where the weight ratio of Polymer A to Polymer B is in the range of from 5:95 to 95:5; and whereby step A) comprises at least a first polymerisation stage of a monomer composition A1 effected in the presence of a chain transfer agent C1 having a water solubility of at least 5 g/L and a subsequent second polymerisation stage of a monomer composition A2 effected in the presence of a chain transfer agent C2 having a water solubility of at most 0.5 g/L, and whereby the second polymerisation stage of step A) is effected in the optional further presence of chain transfer agent C1 having a water solubility of at least 5 g/L whereby the concentration of chain transfer agent C1 having a water solubility of at least 5 g/L in the second polymerisation stage of step A) is at most 35 mole-%, relative to the total molar concentration of chain transfer agent C1 and chain transfer agent C2 present in the second polymerisation stage of step A).

5. 发明授权

US11174408B2 Peroxide-curable polyolefin composition 有权
公开(公告)号：US11174408B2
公开(公告)日：2021-11-16
申请号：US16462347
申请日：2017-11-27
申请人： Dow Global Technologies LLC
发明人： Manish Talreja , Jeffrey M. Cogen
IPC分类号： C09D123/06 , C09D7/63 , C08F110/02 , C08J3/24 , C08K5/11 , C08K5/3492 , C08K5/378 , C09D5/00 , H01B3/44 , H01B7/28 , H01B7/295 , C08K5/372 , C08K5/14
摘要： A peroxide-curable polyolefin composition comprising a peroxide-curable polyolefin prepolymer, an organic peroxide, and 4-[[4,6-bis(octylthio)-1,3,5-triazin-2-yl]amino]-2,6-bis(1,1-dimethylethyl)-phenol. Also, a peroxide-cured polyolefin product prepared therefrom, methods of making and using same, and articles containing or made from same.

6. 发明授权

US11161965B2 Polymer compositions stabilized with organopolysulfides 有权
公开(公告)号：US11161965B2
公开(公告)日：2021-11-02
申请号：US16293820
申请日：2019-03-06
申请人： Arkema Inc.
发明人： George Charles Fortman , Jonathan Pearce Stehman , Stephanie Christina Vrakas , Kurt Wood
IPC分类号： C08K5/32 , C08K5/372 , C08L25/06 , C08L27/16 , C08L23/06 , C08L23/12 , C08L33/04 , C09D127/16 , C08L81/04 , C08K5/00 , C08K5/40 , C08L33/12
摘要： Organopolysulfides such as organodisulfides, organotrisulfides and/or organotetrasulfides are useful stabilizers for polymer compositions, wherein the tendency of a polymer to degrade when exposed to environmental conditions such as heat, light and oxygen may be ameliorated by the incorporation of one or more of such organopolysulfides, optionally together with one or more additional stabilization additives such as a hindered phenol antioxidant, phosp(on)ite stabilizer or hindered amine light stabilizer.

7. 发明申请

US20210283895A1 RESIN POWDER FOR SOLID FREEFORM FABRICATION, DEVICE FOR FABRICATING SOLID FREEFORM FABRICATION OBJECT, AND RESIN POWDER 有权
公开(公告)号：US20210283895A1
公开(公告)日：2021-09-16
申请号：US17335536
申请日：2021-06-01
申请人： Akira SAITO , Shigenori YAGUCHI , Yasuo SUZUKI , Nozomu TAMOTO , Shinzo HIGUCHI , Hitoshi IWATSUKI
发明人： Akira SAITO , Shigenori YAGUCHI , Yasuo SUZUKI , Nozomu TAMOTO , Shinzo HIGUCHI , Hitoshi IWATSUKI
IPC分类号： B33Y70/00 , C08K5/52 , C08K5/09 , C08K5/1575 , C08K5/372 , C08K5/521 , B29C64/153 , C08L71/00 , C08L77/06 , C08L59/00 , B33Y10/00 , C08L77/02 , C08K5/00
摘要： A resin powder for solid freeform fabrication, having a ratio (Mv/Mn) of 2.00 or less, where Mv represents a volume average particle diameter and Mn represents a number average particle diameter and a ratio of melt mass-flow rate B to melt mass-flow rate A of greater than 0.80 to 1.20, wherein the melt mass-flow rate A and the melt mass-flow rate B are respectively measured at 15 degrees C. higher than the melting point under a load of 2.16 kg according to JIS K7210 format before and after the resin powder is maintained at a temperature 15 degrees C. lower than the melting point under a pressure of 0.1 kPa for four hours.

8. 发明授权

US11078321B2 Isocyanate composition, method for producing isocyanate composition, and method for producing isocyanate polymer 有权
公开(公告)号：US11078321B2
公开(公告)日：2021-08-03
申请号：US16340532
申请日：2017-10-13
申请人： ASAHI KASEI KABUSHIKI KAISHA
发明人： Nobuhisa Miyake , Masaaki Shinohata , Atsushi Ohkubo , Koichi Nakaoka , Yuji Kosugi
IPC分类号： C08G18/72 , C08G18/77 , C08G18/79 , C08K5/00 , C08K5/01 , C08K5/06 , C08K5/098 , C08K5/205 , C07C263/18 , C07C265/04 , C07C271/52 , C07C265/14 , C08K5/21 , C08K5/3442 , C08K5/3492 , C08K5/372
摘要： An isocyanate composition according to the present invention contains an isocyanate compound of formula (1) and/or (2) (wherein R1 represents a hydrogen or a monovalent organic group, and R2 represents a monovalent organic group), and, relative to the total mass of the isocyanate compound in the composition, 1.0 ppm by mass to 10% by mass of a compound of formula (3): R13—(COO—R14)a (wherein R13 represents an organic group with a valence of a, R14 represents a monovalent organic group, and a represents an integer of 1 or 2), which is different from the isocyanate compound, and/or, 1.0 ppm by mass to 10% by mass of a compound having an UV absorption in an area of decamer or higher isocyanates in a measurement spectrum of gel permeation chromatography.

9. 发明申请

US20210147594A1 AQUEOUS BINDER COMPOSITION 有权
公开(公告)号：US20210147594A1
公开(公告)日：2021-05-20
申请号：US16629746
申请日：2018-07-02
申请人： DSM IP Assets B.V.
发明人： Maud KASTELIJN , Tijs NABUURS
IPC分类号： C08F220/06 , C08F220/14 , C08F220/18 , C08F220/56 , C08F2/22 , C08F2/38 , C08K5/372 , C08L33/12 , C09D133/12
摘要： The current invention relates to a process for preparing an aqueous binder composition, the process comprising at least the following steps A) and B): A) preparing carboxylic acid-functional vinyl polymer (Polymer A) by emulsion polymerisation of a monomer composition A comprising the following monomers: Ai) at least one carboxylic acid functional olefinically unsaturated monomer; and Aii) at least one olefinically unsaturated monomer different than Ai); B) preparing vinyl polymer (Polymer B) by emulsion polymerization of a monomer composition B in the presence of Polymer A where the monomer composition B comprises the following monomer(s): Bi) at least one olefinically unsaturated monomer; Bii) optionally carboxylic acid functional olefinically unsaturated monomer different than Bi); where at least part of the carboxylic acid groups of Polymer A are deprotonated to obtain ionic or potentially ionic water-dispersing groups; where the acid value of Polymer B is lower than the acid value of Polymer A; where the weight average molecular weight (Mw) of Polymer B is higher than the weight average molecular weight (Mw) of Polymer A; where the glass transition temperature of Polymer B is equal to or lower than that of Polymer A; where the weight ratio of Polymer A to Polymer B is in the range of from 5:95 to 95:5; and whereby step A) comprises at least a first polymerisation stage of a monomer composition A1 effected in the presence of a chain transfer agent C1 having a water solubility of at least 5 g/L and a subsequent second polymerisation stage of a monomer composition A2 effected in the presence of a chain transfer agent C2 having a water solubility of at most 0.5 g/L, and whereby the second polymerisation stage of step A) is effected in the optional further presence of chain transfer agent C1 having a water solubility of at least 5 g/L whereby the concentration of chain transfer agent C1 having a water solubility of at least 5 g/L in the second polymerisation stage of step A) is at most 35 mole-%, relative to the total molar concentration of chain transfer agent C1 and chain transfer agent C2 present in the second polymerisation stage of step A).

10. 发明授权

US10988604B2 Method of preparing diene-based rubber latex, method of preparing ABS-based graft copolymer and method of manufacturing injection-molded article 有权
公开(公告)号：US10988604B2
公开(公告)日：2021-04-27
申请号：US15780222
申请日：2017-08-01
申请人： LG CHEM, LTD.
发明人： Jin Hyoung Lee , Young Min Kim , Su Jeong Han , Yoo Vin Kim , Young Hwan Jeong , Sun Haeng Chung , Jae Min Suk , Jae Won Heo
IPC分类号： C08L25/12 , C08F279/04 , C08F36/04 , B29C45/00 , C08F36/06 , B29K55/02 , C08F2/24 , C08F2/38 , C08K5/372 , C08L55/02 , C08K5/36 , C08K5/092
摘要： A method of preparing a diene-based rubber latex, a method of preparing an ABS-based graft copolymer including the same, and a method of manufacturing an ABS-based injection-molded article include preparing an in-situ bimodal rubber latex, in which a small-diameter polymer and a large-diameter polymer are formed in a desired ratio, by controlling contents, addition time points, and types of reactants when a conjugated diene based monomer, a crosslinking agent with a long linear chain end, an emulsifier including a multimeric acid of an unsaturated fatty acid or a metal salt thereof, and a molecular weight regulator are polymerized.

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