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公开(公告)号：US20240343838A1
公开(公告)日：2024-10-17
申请号：US18707203
申请日：2022-11-18
发明人： Michael W. Leonard
IPC分类号： C08F2/26 , C08F2/00 , C08F257/02 , C08F265/06
CPC分类号： C08F2/26 , C08F2/001 , C08F257/02 , C08F265/06 , C08F2400/02
摘要： The present invention relates to a method for preparing an aqueous dispersion of opacifying pigment-binder hybrid particles that provides particle swelling and concomitant introduction of a binder layer without inhibition of polymerization. The composition prepared by the process of the present invention is useful for reducing the level of TiO2 in paints.
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公开(公告)号：US12053761B2
公开(公告)日：2024-08-06
申请号：US18449765
申请日：2023-08-15
发明人： Max P. McDaniel , Kathy S. Clear
IPC分类号： B01J23/26 , B01J21/12 , B01J27/047 , B01J27/188 , B01J35/02 , B01J35/10 , B01J35/40 , B01J35/61 , B01J35/63 , B01J37/00 , B01J37/02 , B01J37/08 , B01J37/12 , C08F2/00 , C08F4/78 , C08F110/02
CPC分类号： B01J23/26 , B01J21/12 , B01J27/047 , B01J27/188 , B01J35/40 , B01J35/615 , B01J35/635 , B01J35/638 , B01J37/0045 , B01J37/0209 , B01J37/082 , B01J37/12 , C08F2/00 , C08F4/78 , C08F110/02 , C08F110/02 , C08F2500/04 , C08F2500/12
摘要： Methods for making a supported chromium catalyst are disclosed, and can comprise contacting a silica-coated alumina containing at least 30 wt. % silica with a chromium-containing compound in a liquid, drying, and calcining in an oxidizing atmosphere at a peak temperature of at least 650° C. to form the supported chromium catalyst. The supported chromium catalyst can contain from 0.01 to 20 wt. % chromium, and typically can have a pore volume from 0.5 to 2 mL/g and a BET surface area from 275 to 550 m2/g. The supported chromium catalyst subsequently can be used to polymerize olefins to produce, for example, ethylene-based homopolymers and copolymers having high molecular weights and broad molecular weight distributions.
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公开(公告)号：US20240191015A1
公开(公告)日：2024-06-13
申请号：US18283915
申请日：2022-03-24
申请人： BOREALIS AG
发明人： Luigi Maria Cristoforo RESCONI , Wilfried Peter TÖLTSCH , Gerhard HUBNER , Andreas ALBRECHT , Ljiljana JEREMIC
IPC分类号： C08F255/04 , C08F2/00 , C08F4/76
CPC分类号： C08F255/04 , C08F2/001 , C08F4/76
摘要： The invention relates to an amorphous ethylene-propylene copolymer with an intrinsic viscosity (iV) measured in decalin at 135° C. of at least 2.0 and having at least one of the following properties: (i) more than 1 internal vinylidene unsaturation per chain; and (ii) more than 2 long chain branches per chain.
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公开(公告)号：US12006380B2
公开(公告)日：2024-06-11
申请号：US17882330
申请日：2022-08-05
申请人： SWIMC LLC
发明人： Robert M. O'Brien , Mark Stuetelberg , Joseph D. Desousa , Mary Jo Scandolari , Nikolaus Koch , Stephen Pollin , Nusrah Hussain
IPC分类号： C08F2/00 , B65D25/14 , C09D5/02 , C09D7/40 , C09D133/12 , C09D133/26
CPC分类号： C08F2/001 , B65D25/14 , C09D5/024 , C09D7/40 , C09D133/12 , C09D133/26 , C08F285/00 , C08F220/1804 , C08F220/1802 , C08F220/1804 , C08F220/06 , C08F220/1802 , C08F220/1804 , C08F220/1802 , C08F220/06 , C08F220/1802 , C08F220/1804 , C08F220/14
摘要： An aqueous coating composition useful in coating a variety of substrates, including interior or exterior portions of food or beverage cans. The coating composition includes a multi-stage polymeric latex having two or more emulsion polymerized stages in an aqueous carrier liquid, wherein the latex has one or both of:
(i) a lower glass transition temperature (Tg) emulsion polymerized stage having a calculated Tg that is at least 20° C. lower than a calculated Tg of a higher Tg emulsion polymerized stage, or
(ii) a gradient Tg with at least a 20° C. differential in the calculated Tg of monomers fed at the start of polymerization compared to monomers fed at the end of polymerization.
When spray-applied on the interior of a food or beverage can, the composition exhibits a global extraction result of less than 50 ppm and a metal exposure value of less than 3 mA.-
公开(公告)号：US20240150500A1
公开(公告)日：2024-05-09
申请号：US18500087
申请日：2023-11-01
发明人： Tatsuya YAMAGUCHI , Syuji NOZAWA
CPC分类号： C08F2/34 , C08F2/008 , C08G85/008
摘要： A substrate processing apparatus includes a processing container; a stage on which a substrate is placed, the stage being provided in the processing container; a gas supply provided at a position facing the stage and configured to supply a first processing gas containing a first monomer and a second processing gas containing a second monomer into the processing container to form a film of a polymer on the substrate; and a driver configured to move the stage so as to change a distance between the gas supply and the stage. The gas supply is configured to supply the first processing gas and the second processing gas into a space between the gas supply and the stage from an outside of a region on the stage in which the substrate is placed, when viewed in a direction from the gas supply toward the stage.
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公开(公告)号：US11958961B2
公开(公告)日：2024-04-16
申请号：US17298899
申请日：2019-11-28
发明人： XiaoChuan Wang
CPC分类号： C08L23/06 , B01J19/06 , B01J19/245 , C08J5/18 , C08F2/001 , C08J2323/06 , C08J2423/06 , C08L2203/16 , C08L2205/025 , C08L2205/24
摘要： A polyethylene homopolymer composition comprises: a first ethylene homopolymer having a density, d1 of from 0.930 to 0.975 g/cm3, a melt index, I21 of from 0.01 to 10 g/10 min, and a molecular weight distribution, Mw/Mn of less than 2.5; and a second ethylene homopolymer having a density, d2 of from 0.945 to 0.980 g/cm3, a melt index, I22 of at least 1.0 g/10 min, and a molecular weight distribution, Mw/Mn of less than 2.5; wherein melt index, I22 of the second ethylene homopolymer is greater than the melt index, I21 of the first ethylene homopolymer. The polyethylene homopolymer compositions which may be nucleated have a weight average molecular weight, Mw of ≤75,000, a molecular weight distribution, Mw/Mn of less than 4.0 and may be usefully employed in molding applications, such as, for example, in compression molded closures.
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公开(公告)号：US20240076427A1
公开(公告)日：2024-03-07
申请号：US18140165
申请日：2023-04-27
IPC分类号： C08F210/16 , C07F17/00 , C08F2/00 , C08F2/34 , C08F4/643 , C08F4/659 , C08F4/76 , C08F210/02 , C08J5/18
CPC分类号： C08F210/16 , C07F17/00 , C08F2/00 , C08F2/34 , C08F4/6432 , C08F4/65904 , C08F4/76 , C08F210/02 , C08J5/18 , C08L23/0815
摘要： Catalyst systems and methods for making and using the same. A method of methylating a catalyst composition while substantially normalizing the entiomeric distribution is provided. The method includes slurrying the organometallic compound in dimethoxyethane (DME), and adding a solution of RMgBr in DME, wherein R is a methyl group or a benzyl group, and wherein the RMgBr is greater than about 2.3 equivalents relative to the organometallic compound. After the addition of the RMgBr, the slurry is mixed for at least about four hours. An alkylated organometallic is isolated, wherein the methylated species has a meso/rac ratio that is between about 0.9 and about 1.2.
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公开(公告)号：US20240010776A1
公开(公告)日：2024-01-11
申请号：US18371428
申请日：2023-09-21
IPC分类号： C08F220/14 , C08F2/00 , C08F2/22 , C08F220/18 , C08K5/3475 , C08K5/3432 , C08K5/13 , C08K5/01 , C08F220/40 , C08F222/10 , C08K5/14 , C08L33/12 , C08J5/18
CPC分类号： C08F220/14 , C08F2/001 , C08F2/22 , C08F220/1804 , C08K5/3475 , C08K5/3432 , C08K5/13 , C08K5/01 , C08F220/40 , C08F222/102 , C08K5/14 , C08L33/12 , C08J5/18 , C08L2201/10 , C08L2201/08 , C08L2201/52 , C08L2203/30 , C08L2203/16 , C08L2205/025 , C08L2205/03
摘要： A resin composition may lead to a reduction in fish eyes that cause poor external appearances of films; have a good matte external appearance, and increased thermal stability in forming. The composition may be stably produced, may be excellent in transparency; and may be applied to various uses. A film may be made of the resin composition. The resin composition may include: an acrylic rubber-containing polymer (A) at least having a Tg of lower than 0° C.; an acrylic polymer (B) having a reactive group, the acrylic polymer (B) having a Tg of 30° C. or higher; and a compound (D) having a ring structure and a group having a reactive group in a molecule thereof, wherein a total Van der Waals volume VRing (Å3) corresponding to the ring structure, and a molecular weight X of the compound (D) satisfy formula (3):
0.34≤VRing/X (3).-
公开(公告)号：US11845854B2
公开(公告)日：2023-12-19
申请号：US17275874
申请日：2019-09-04
IPC分类号： C08F210/16 , C08F2/00 , C08L23/06 , C08J5/18 , C08L23/08
CPC分类号： C08L23/06 , C08F210/16 , C08J5/18 , C08L23/0815 , C08F2/001 , C08J2323/06 , C08J2323/08 , C08J2423/06 , C08J2423/08
摘要： A polyethylene composition for producing blown films, made from or containing an ethylene homopolymer or copolymer A) and an ethylene copolymer B) having a MIE value lower than the MIE value of A), the composition having the following features:
1) density from 0.948 to 0.960 g/cm3;
2) ratio MIF/MIP from 20 to 40;
3) MIF from 6 to less than 15 g/10 min.;
4) HMWcopo index from 0.5 to 3.5;
5) long-chain branching index, LCBI, equal to or lower than 0.82;
6) η0.02 of equal to or less than 150000.-
公开(公告)号：US11834527B1
公开(公告)日：2023-12-05
申请号：US17408455
申请日：2021-08-22
摘要： The present disclosure relates to methods of making poly alpha-olefins and compositions thereof. In some embodiments, a method for making a poly alpha-olefin includes agitating in a first reaction vessel for about 30 seconds or greater a composition comprising a transition metal halide, an electron donor, a co-catalyst, and a C4-C20 alpha-olefin. The method includes transferring the composition from the first reaction vessel to a second reaction vessel. The present disclosure further relates to poly alpha-olefins and compositions thereof for reducing drag in the flow of hydrocarbons such as crude oil or refined products in pipes. In at least one embodiment, a composition includes a coated poly alpha-olefin and an inert carrier.
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