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公开(公告)号：US20210324289A1
公开(公告)日：2021-10-21
申请号：US16972237
申请日：2019-06-27
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Zhe JIA , John B. CUTHBERT , David L. MALOTKY , Stacey A. SABA , Bruce D. HOOK , Nathan WILMOT , Daniel L. DERMODY
IPC: C10M115/08 , C10M169/02 , C10M177/00
Abstract: A continuous process for producing a polyurea concentrate or powder. The process includes combing at least one amine and an isocayante in the presence of a liquid diluent or a base oil in a rotor stator mixer. The concentrate comprises a polyurea in a base oil wherein the concentration of from about 20 weight percent to about 50, or 40 or 35 or 30 weight percent of polyurea based on total weight of grease thickener. The powder has particle size of 2 to 400 microns. This concentrate or powder can then be formulated by grease manufacturers to the desired final properties without the need for handling of the isocyanate and amine raw materials
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Patent Agency Ranking
公开(公告)号：US20230272180A1
公开(公告)日：2023-08-31
申请号：US18016087
申请日：2021-07-06
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Craig F. GORIN , David L. MALOTKY , Daniel L. DERMODY , Christopher J. TUCKER , Jin WANG , Anurima SINGH , Jill M. MARTIN , Thomas TOMCZAK , Hari KATEPALLI
CPC classification number: C08J11/06 , B01D11/0226 , B01D11/0288 , B29B17/02 , B29B13/022 , C08J2323/06 , B29B2013/002
Abstract: A method for reducing an amount of a contaminant in a thermoplastic polymer comprising shearing a combination comprising a contaminated thermoplastic polymer in melt form, water, and a dispersing agent where the shearing causes a portion of the contaminant to be removed from the contaminated thermoplastic polymer (e.g. moved into an aqueous phase with the water or into another separate phase from the water and the polymer), and after shearing, separating the thermoplastic from the aqueous phase to recover thermoplastic polymer.
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公开(公告)号：US20210061941A1
公开(公告)日：2021-03-04
申请号：US16979313
申请日：2019-03-08
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Qinghao MENG , Meagan BROADWAY , Kaoru AOU , William J. HARRIS , Felipe A. DONATE , Daniel L. DERMODY , Christopher P. DONATE , Van M. DELK, JR. , Helge BRAUN
IPC: C08G18/76 , C08G18/64 , C08G18/48 , C08G18/28 , C08G18/24 , C08G18/20 , C08G18/18 , C08G18/16 , C08J9/12
Abstract: Recovery times and/or airflow of flexible polyurethane foam is increased by including certain tackifiers in the foam formulation. The tackifiers are characterized in being incompatible with polyol or polyol mixture used to make the foam, having a viscosity of at least 5,000 centipoise at 25#C and having a glass transition temperature of at most 20#C. The tackifier is pre-blended with certain monols to form a lower-viscosity blend that is combined with one or more other polyols and a polyisocyanate to form a reaction mixture for producing a polyurethane foam.
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公开(公告)号：US20220267695A1
公开(公告)日：2022-08-25
申请号：US17741982
申请日：2022-05-11
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Zhe Jia , John B. CUTHBERT , David L. MALOTKY , Stacey A. SABA , Bruce D. HOOK , Nathan WILMOT , Daniel L. DERMODY
IPC: C10M115/08 , C08G18/09 , C08G18/28 , C08J3/09 , C10M169/02 , C10M177/00 , C10M119/24
Abstract: A continuous process for producing a polyurea concentrate or powder. The process includes combing at least one amine and an isocayante in the presence of a liquid diluent or a base oil in a rotor stator mixer. The concentrate comprises a polyurea in a base oil wherein the concentration of from about 20 weight percent to about 50, or 40 or 35 or 30 weight percent of polyurea based on total weight of grease thickener. The powder has particle size of 2 to 400 microns. This concentrate or powder can then be formulated by grease manufacturers to the desired final properties without the need for handling of the isocyanate and amine raw materials.
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公开(公告)号：US20180002626A1
公开(公告)日：2018-01-04
申请号：US15540698
申请日：2016-02-23
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Stephanie L. POTISEK , Kevin P. CAPALDO , Daniel L. DERMODY
CPC classification number: C10L10/16 , C10L1/125 , C10L1/143 , C10L1/1608 , C10L1/1616 , C10L1/1641 , C10L1/1973 , C10L2200/0295 , C10L2300/40 , C10M173/00 , C10M2201/02 , C10M2201/062 , C10M2201/081 , C10M2203/06 , C10M2203/104 , C10M2205/022 , C10M2205/04 , C10M2207/021 , C10M2207/022 , C10M2207/046 , C10M2207/125 , C10M2209/062 , C10M2209/084 , C10M2209/086 , C10M2209/104 , C10M2209/12 , C10M2215/08 , C10M2219/044 , C10M2219/086 , C10N2210/01 , C10N2210/02 , C10N2220/023 , C10N2220/082 , C10N2230/08 , C10M2209/108 , C10M2209/105
Abstract: The present invention relates to an aqueous pour point depressant dispersion composition comprising an ethylene vinyl acetate copolymer (EVA); a dispersing agent; a polyethoxylated nonionic surfactant, a low level of hydrocarbon solvent, water; optionally one or more of an aqueous freezing point depressant, a stabilizing agent, or a basic metal substance and a method to use said composition.
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公开(公告)号：US20170246802A1
公开(公告)日：2017-08-31
申请号：US15517977
申请日：2015-10-13
Applicant: Dow Global Technologies LLC
Inventor： Aleksander J. PYZIK , Scott T. MATTEUCCI , Gary L. JIALANELLA , Daniel L. DERMODY , Mary Anne LEUGERS
Abstract: An additive elastomeric manufactured part having an elongation at break of at least 50% may be made by a method comprising the following. A material comprising a prepolymer and filler is first dispensed through a nozzle to form an extrudate deposited on a base. The base, nozzle or combination thereof is moved while dispensing the material so that there is horizontal displacement between the base and nozzle in a predetermined pattern to form an initial layer of the material on the base. Subsequent layers are then formed on the initial layer by repeating the dispensing and movement on top of the initial layer and layers that follow.
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