公开(公告)号：US12023726B2

公开(公告)日：2024-07-02

申请号：US18012355

申请日：2021-07-09

申请人： ASK Chemicals GmbH

发明人： Christian Priebe ,  Matthias Peter

IPC分类号： B22C1/22 ,  B22C9/10 ,  C08G18/08 ,  C08G18/40 ,  C08G18/54 ,  C08G18/62 ,  C08G18/76 ,  C08J5/00

CPC分类号： B22C1/2213 ,  B22C1/2253 ,  B22C1/2273 ,  B22C9/10 ,  C08G18/0852 ,  C08G18/4063 ,  C08G18/542 ,  C08G18/6208 ,  C08G18/7671 ,  C08J5/005 ,  C08J2375/04

摘要： Molding material mixes that contain a polyurethane binder based on phenolic resins of the benzyl ether type and polyisocyanates are characterized by the inclusion of a polybutadiene derivative. In one case, the polybutadiene derivative has epoxide groups and hydroxyl groups. In another case, the polybutadiene derivative has succinic acid anhydride groups. Molds, cores and risers are produced using these molding material mixes. Inclusion of the polybutadiene derivatives results in a reduction of sand adhesions in the molding process.

公开(公告)号：US20230042686A1

公开(公告)日：2023-02-09

申请号：US17787789

申请日：2020-12-18

申请人： ASK Chemicals GmbH

发明人： Dennis Bartels ,  Thomas Krey ,  Arkadius Kaminski

IPC分类号： B22C1/22 ,  B29C64/165 ,  B33Y70/10 ,  C08G8/24

摘要： The object of the invention is a method for the layered construction of bodies comprising refractory molding base material and resol resins as binders having, in addition to phenol, ortho- and/or para-substituted phenols as monomer structural elements and three-dimensional bodies produced according to this method, and a binder for 3-dimensionally constructing bodies, in particular molds and cores for the metal casting.

公开(公告)号：US20210299740A1

公开(公告)日：2021-09-30

申请号：US17261130

申请日：2019-07-19

申请人： ASK Chemicals GmbH

发明人： Christian PRIEBE ,  Markus BUNG ,  Sarah VOSS ,  Jörg KÖRSCHGEN

IPC分类号： B22C3/00 ,  B22C1/22 ,  B22C9/12 ,  B22C9/02 ,  C09D1/00 ,  C09D7/63

摘要： The subject matter of the invention are sizing compositions containing an aqueous carrier liquid, refractory base materials and CH-acidic compounds, as well as their use for casting molds, as well as casting molds coated with the sizing composition.

公开(公告)号：US10947410B2

公开(公告)日：2021-03-16

申请号：US15565995

申请日：2016-04-12

申请人： ASK CHEMICALS GMBH

发明人： Carolin Wallenhorst ,  Reinhard Winter ,  Jan Klesing

IPC分类号： C09D175/04 ,  B32B27/40 ,  C05G3/00 ,  C08G18/54 ,  C08G18/18 ,  C08G18/16 ,  C08G18/24 ,  C08G18/76 ,  C05G5/30 ,  C05B17/00 ,  C08G18/30 ,  C08G18/32 ,  C08G18/65

摘要： The present invention relates to a coated granular substance, wherein the coating comprises a resin comprising the reaction product of a polyol component and an isocyanate component and cured by the addition of a catalyst, said catalyst comprising a hydroxy group-containing amine compound.
Further, the present invention relates to a process for coating a granular substance, comprising the steps of (a) providing a granular substance; (b) providing a polyol component and an isocyanate component; (c) optionally mixing the polyol component with the isocyanate component; (d) adding the mixture of step (c) or the polyol component and the isocyanate component as individual substances to the provided granular substance and producing a coating on the granular substance; (e) adding a catalyst to cure the coating; (f) optionally repeating steps (d) and (e), wherein the catalyst comprises a hydroxy group-containing amine compound.

公开(公告)号：US10294161B2

公开(公告)日：2019-05-21

申请号：US14654099

申请日：2013-12-20

申请人： ASK Chemicals GmbH

发明人： Heinz Deters ,  Henning Zupan ,  Martin Oberleiter

IPC分类号： C04B35/109 ,  B22C1/18 ,  B22C1/16 ,  B22C9/02

摘要： The invention relates to mold material mixtures containing an oxide of aluminum and an oxide of zirconium as particulate mixed metal oxide, in combination with refractory mold base materials and a water glass-based binder system. The mold material mixtures, also in the form of multicomponent systems, are used for the production of molds and cores for the foundry industry.

公开(公告)号：US20160129496A1

公开(公告)日：2016-05-12

申请号：US14757818

申请日：2015-12-23

申请人： ASK Chemicals GmbH

发明人： Reinhard Stötzel ,  Matthias Schrod ,  Michael Kloskowski

IPC分类号： B22C3/00 ,  B22C9/18 ,  B22C9/02 ,  B22C9/10

CPC分类号： B22C3/00 ,  B22C9/02 ,  B22C9/10 ,  B22C9/18

摘要： The invention relates to a size composition (coating composition) for casting moulds and cores, comprising at least one metal additive which contains a metal or a compound of a metal, wherein the metal is selected from one of groups 7 or 9 to 12 of the Periodic Table of the Elements. The invention also relates to a process for producing a casting mould, which comprises a mould coating of the size (coating) according to the invention, and to the use of said mould for the casting of metals.

摘要翻译： 本发明涉及用于铸造模具和芯的尺寸组合物（涂料组合物），其包含至少一种含有金属或金属化合物的金属添加剂，其中金属选自第 元素周期表。 本发明还涉及一种用于生产铸模的方法，其包括根据本发明的尺寸（涂层）的模具涂层以及所述模具用于金属铸造的用途。

公开(公告)号：US20150298200A1

公开(公告)日：2015-10-22

申请号：US14257372

申请日：2014-04-21

申请人： ASK Chemicals GmbH

发明人： Reinhard Stötzel ,  Klemens Eising ,  Karl Smarzoch

IPC分类号： B22C3/00 ,  B22C9/04 ,  C09D7/12

CPC分类号： B22C3/00 ,  C08K3/013 ,  C09D5/022 ,  C09D7/61 ,  C09D7/65 ,  C09D133/08

摘要： The present invention relates to a coating and a method for producing a casting mold. The method provides for castings whereby gas defects are largely or completely suppressed.

摘要翻译： 本发明涉及一种用于生产铸模的涂层和方法。 该方法提供了铸件，从而大大或完全地抑制了气体缺陷。

公开(公告)号：US12037444B2

公开(公告)日：2024-07-16

申请号：US16961467

申请日：2019-01-11

申请人： ASK Chemicals GmbH

发明人： Christian Priebe

IPC分类号： C08G18/54 ,  B29C33/38 ,  C08G8/10 ,  C08K5/07 ,  C08K5/09 ,  C08K5/101 ,  C08K5/11 ,  C08K5/13

CPC分类号： C08G18/542 ,  B29C33/3807 ,  B29C33/3842 ,  C08G8/10 ,  C08K5/07 ,  C08K5/09 ,  C08K5/101 ,  C08K5/11 ,  C08K5/13

摘要： Benzyl ether-type phenolic resins are useful in either a phenolic resin polyurethane cold-box (PUCB) process or a phenolic resin polyurethane no-bake (PUNB) process. The benzyl ether-type phenolic resins contain at least one formaldehyde scavenger in the form of a beta-dicarbonyl compound, and an alpha-carbonyl-carboxyl compound, particularly glyoxylic acid, binders based on these phenolic resins, and isocyanate compounds having at least two isocyanate groups. The resins having the inventive concept exhibit low free formaldehyde content. The inventive concept extends to molding material blends containing the binder, and a method for producing cores, molds or risers.

公开(公告)号：US20220355365A1

公开(公告)日：2022-11-10

申请号：US17619778

申请日：2020-06-18

申请人： ASK Chemicals GmbH

发明人： Felix MÜCK ,  Tamara Jacqueline HOLTHAUSEN ,  Ronja MÜLLER

IPC分类号： B22C1/18 ,  B22C3/00 ,  B22C9/12 ,  B22C9/10 ,  C04B35/14 ,  C04B35/64 ,  C04B41/50 ,  C04B41/45

摘要： Sized molds for metal casting are obtained from molding material mixtures on the basis of inorganic bonding agents containing at least one phosphatic compound and at least one oxidic boron compound, especially sized, water glass-bound forms and cores, having at least one refractory base molding material, water glass as inorganic bonding agent and amorphous particulate silicon dioxide and one or more powdery oxidic boron compounds and one or more phosphatic compounds. The invention furthermore relates to a method for producing sized foundry mold bodies and use thereof, in particular for producing cast parts from iron alloys. The sizing is a water-based sizing.

公开(公告)号：US11253912B2

公开(公告)日：2022-02-22

申请号：US16618978

申请日：2018-06-05

申请人： ASK Chemicals GmbH

发明人： Natascha Hurkes ,  Dennis Bartels ,  Jens Müller

IPC分类号： B33Y10/00 ,  B22C1/22 ,  B29C64/165 ,  B22C9/02 ,  B22C9/10 ,  B33Y80/00 ,  B33Y70/10

摘要： The invention relates to a method for producing three-dimensionally layered shaped bodies by means of layer-by-layer construction using a resin component which contains at least one furane resin, and more than 5% by weight and less than 50% by weight monomer furfuryl alcohol, and an acid. The shaped bodies produced in this manner are suitable inter alia as casting molds and casting cores for metal casting.