公开(公告)号：US20250026687A1

公开(公告)日：2025-01-23

申请号：US18716358

申请日：2022-12-19

Applicant: COATEX

Inventor： Benoît MAGNY ,  Michel MELAS ,  Laurie PARRENIN ,  Jean-Marc SUAU ,  Morgane LE NEINDRE

IPC: C04B24/26 ,  C04B24/16 ,  C04B28/02

Abstract: A hydraulic binder composition combining a hydraulic binder compound and an alpha-sulfonated polymer A modified by reacting with a polyalkoxylated monoalcohol or with a polyalkoxylated monoamine in the presence of a sulfocarboxylic acid. A method for preparing the composition and to an agent for modifying polymer A.

公开(公告)号：US12134732B2

公开(公告)日：2024-11-05

申请号：US17643252

申请日：2021-12-08

Applicant: Saudi Arabian Oil Company

Inventor： Peter Boul ,  Kenneth Dejuan Johnson

IPC: C09K8/487 ,  C04B14/30 ,  C04B24/00 ,  C04B24/16 ,  C04B24/26 ,  C04B24/34 ,  C04B28/08 ,  C09K8/514 ,  C04B103/00 ,  C04B103/32 ,  C04B103/46 ,  C04B103/50

Abstract: Fluid loss control additives for a cement slurry are provided. An exemplary fluid loss control additive includes a copolymer containing 2-acrylamido-2-methylpropane sulfonic acid monomer units and acryloylmorpholine monomer units, and a graft copolymer. The graft copolymer contains a humate and, grafted onto the humate, a side-chain polymer containing at least one of acrylamide monomer units, acryloylmorpholine monomer units, acrylic acid monomer units, and 2-acrylamido-2-methylpropane sulfonic acid monomer units.

公开(公告)号：US20240327288A1

公开(公告)日：2024-10-03

申请号：US18619598

申请日：2024-03-28

Applicant: CERTAINTEED GYPSUM, INC.

Inventor： Remi LESPIAT ,  Agathe Dujardin ,  Joseph Kelleher

IPC: C04B28/14 ,  C04B18/10 ,  C04B24/16 ,  C04B38/10 ,  C04B103/40 ,  C04B103/42 ,  C04B111/00

CPC classification number: C04B28/14 ,  C04B18/10 ,  C04B24/16 ,  C04B38/10 ,  C04B2103/402 ,  C04B2103/42 ,  C04B2111/0062

Abstract: According to one aspect, a plaster based construction material can include a gypsum based plaster, and at least 1 part by weight biochar per 100 parts by weight gypsum. The construction material can have a nail pull force according to ASTM C1396 of at least 51 lbf or a core hardness according to ASTM C473 Method B of at least 66 N.
According to another aspect, a plaster based construction material can include a gypsum based plaster, at least 1 part by weight bichar per 100 parts by weight gypsum, and a stable or unstable surfactant. The plaster based construction material may have a relatively improved mechanical strength.

公开(公告)号：US20240301272A1

公开(公告)日：2024-09-12

申请号：US18283229

申请日：2022-03-17

Applicant: BASF SE

Inventor： Christian SCHMIDTKE ,  Andrea ASSMANN ,  Martin WINKLBAUER ,  Lisa WOLFERSTETTER

IPC: C09K8/467 ,  C04B18/02 ,  C04B24/16 ,  C04B24/22 ,  C04B24/26 ,  C04B24/30 ,  C04B24/32 ,  C04B28/02 ,  C04B103/00 ,  C04B103/40 ,  E21B33/14

CPC classification number: C09K8/467 ,  C04B18/022 ,  C04B24/163 ,  C04B24/166 ,  C04B24/22 ,  C04B24/226 ,  C04B24/2676 ,  C04B24/305 ,  C04B24/32 ,  C04B28/02 ,  E21B33/14 ,  C04B2103/0057 ,  C04B2103/406

Abstract: Water-dispersible polymer powder composition for use as additive in cementing in subterranean formations comprising at least particles of a styrene-butadiene polymer, a water-soluble polymer, and a non-ionic emulsifier, wherein the styrene-butadiene polymer particles are at least partly covered by and/or embedded in a composition comprising at least the water-soluble polymer, process of making such compositions, by spray-drying an aqueous dispersion comprising said particles of a styrene-butadiene polymer and a water-soluble polymer, wherein at least one non-ionic emulsifier is added before or after spray-drying, and the use of such water-dispersible polymer powder compositions for cementing in subterranean formations penetrated by at least a well bore.

公开(公告)号：US20240208867A1

公开(公告)日：2024-06-27

申请号：US18599425

申请日：2024-03-08

Applicant: Gold Bond Building Products, LLC

Inventor： R. G. Iyer ,  Eli Stav ,  Ma-Ikay Miatudila ,  Joseph J. Bailey

IPC: C04B28/14 ,  C04B22/16 ,  C04B24/16 ,  C04B103/40 ,  C04B111/00

CPC classification number: C04B28/14 ,  C04B22/16 ,  C04B24/166 ,  C04B2103/408 ,  C04B2111/0062

Abstract: In general, the present invention is directed to the use of particular phosphorus containing compounds for making a gypsum board. The phosphorus containing compound may be a phosphite or a phosphate having a certain formula. In this regard, the present invention is directed to a slurry for making a gypsum board wherein the slurry includes such phosphorus containing compound. The present invention is also directed to a method of making a gypsum board from the slurry as well as a resulting gypsum board.

公开(公告)号：US11999661B2

公开(公告)日：2024-06-04

申请号：US18315396

申请日：2023-05-10

Applicant: NingboTech University

Inventor： Chonggen Pan ,  Yu Hu ,  Jiawei Zang ,  Shiyang Qu ,  Zhigao Wei

IPC: C04B7/02 ,  C04B14/10 ,  C04B18/08 ,  C04B24/16 ,  C04B24/26 ,  C04B28/04 ,  C04B28/08 ,  C04B103/30

CPC classification number: C04B7/02 ,  C04B14/106 ,  C04B18/08 ,  C04B24/16 ,  C04B24/2664 ,  C04B28/04 ,  C04B28/08 ,  C04B2103/302

Abstract: An interface joint material based on industrial solid waste includes raw materials in parts by weight: portland slag cement, 80˜130 parts; metakaolin, 80˜130 parts; the industrial solid waste, 80˜130 parts; sodium silicate, 25˜35 parts; alkali, 8˜12 parts; acrylate, 30˜36 parts; a trivinyl ether compound, 1˜3 parts; inorganic sulfite, 1˜3 parts; persulfate, 1˜3 parts; a water reducing agent, 3˜6 parts, and water, 60˜80 parts. The interface joint material is suitable for a concrete interface of different components, with good bonding, high strength, and the advantages of pumping, fast hard, early strength, micro expansion and high ductility; In addition, the industrial solid waste is added into the interface joint material, which improves a utilization rate of the industrial solid waste in construction joint materials, and has significant for recycling of the industrial solid waste.

公开(公告)号：US20230382799A1

公开(公告)日：2023-11-30

申请号：US18316984

申请日：2023-05-12

Applicant: NingboTech University

Inventor： Chonggen Pan ,  Yu Hu ,  Shiyang Qu ,  Jiawei Zang

IPC: C04B28/06 ,  C04B14/06 ,  C04B14/04 ,  C04B18/14 ,  C04B18/08 ,  C04B16/06 ,  C04B18/24 ,  C04B22/14 ,  C04B24/04 ,  C04B24/16 ,  C04B24/28 ,  C04B40/00

CPC classification number: C04B28/065 ,  C04B14/06 ,  C04B14/045 ,  C04B18/146 ,  C04B18/08 ,  C04B16/0683 ,  C04B18/248 ,  C04B22/14 ,  C04B24/04 ,  C04B24/16 ,  C04B24/28 ,  C04B40/0046 ,  C04B2111/72

Abstract: A concrete crack repair material based on nano materials includes raw materials as follows: seaweed, sulphoaluminate cement, natural sand, nano-silica fume, calcium formate, fly ash, anhydrous calcium sulphoaluminate, a polyester fiber, a water reducing agent, a corrosion inhibitor and water. By reasonably selecting the raw materials of the concrete crack repair material and making a reasonable ratio of the raw materials, the concrete crack repair material is obtained with excellent performance such as good compressive strength, bending strength and bond strength, and excellent impermeability and frost resistance. The concrete crack repair material can be used for the concrete crack repair in the marine environment, which has very important application values.

公开(公告)号：US20230088067A1

公开(公告)日：2023-03-23

申请号：US17985202

申请日：2022-11-11

Applicant: Gold Bond Building Products, LLC

Inventor： R. G. Iyer ,  Eli Stav ,  Ma-Ikay Miatudila ,  Joseph J. Bailey

IPC: C04B28/14 ,  C04B22/16 ,  C04B24/16

Abstract: In general, the present invention is directed to the use of particular phosphorus containing compounds for making a gypsum board. The phosphorus containing compound may be a phosphite or a phosphate having a certain formula. In this regard, the present invention is directed to a slurry for making a gypsum board wherein the slurry includes such phosphorus containing compound. The present invention is also directed to a method of making a gypsum board from the slurry as well as a resulting gypsum board.

公开(公告)号：US20220306532A1

公开(公告)日：2022-09-29

申请号：US17616892

申请日：2020-06-05

Applicant: Eco Boron LLC

Inventor： Goksel Himmetoglu ,  Burhan Kum ,  Ozgur Oguz Susoy

IPC: C04B22/00 ,  C09K21/02 ,  C04B28/04 ,  C04B14/04 ,  C04B22/06 ,  C04B24/16 ,  C04B14/18 ,  C04B14/28 ,  C04B14/10 ,  C04B14/46 ,  C04B18/24

Abstract: Disclosed herein are fire resistant compositions and articles, for example, in the form of boards, insulation, sheeting, blocks, panels and similar materials of construction. Also disclosed are methods of preparing fire resistant compositions and articles and methods of use thereof.

公开(公告)号：US20220212994A1

公开(公告)日：2022-07-07

申请号：US17604501

申请日：2020-04-17

Applicant: Construction Research & Technology GmbH

Inventor： Tatiana MITKINA ,  Joachim DENGLER

IPC: C04B24/12 ,  C04B28/08 ,  C04B22/14 ,  C04B24/26 ,  C04B24/00 ,  C04B24/06 ,  C04B24/16

Abstract: A shotcrete composition comprising a) a cementitious binder; b) an ettringite formation controller comprising (i) a glyoxylic acid condensate and/or a glyoxylic acid adduct; and c) an alkali-free, aluminum-based shotcrete accelerator. The invention further relates to a process comprising providing a cementitious composition comprising a) a cementitious binder, and b) an ettringite formation controller comprising (i) a glyoxylic acid condensate and/or a glyoxylic acid adduct; admixing an alkali-free, aluminum-based shotcrete accelerator to the cementitious composition to obtain a shotcrete composition; and applying the shotcrete composition onto a surface to obtain a shotcrete structure and allowing the shotcrete structure to harden. The invention also relates to a hardened shotcrete structure obtained by this process.