公开(公告)号：US20140296372A1

公开(公告)日：2014-10-02

申请号：US14342183

申请日：2012-08-31

申请人： Ryoji Iwamoto ,  Akira Yoshida

发明人： Ryoji Iwamoto ,  Akira Yoshida

IPC分类号： B22C1/16

CPC分类号： B22C1/167 ,  B22C1/10 ,  B22C1/224 ,  B22C9/02 ,  C08G14/02 ,  C08K3/30 ,  C09J161/34 ,  C08L61/34

摘要： The present invention relates to a binder composition for making self-hardening foundry molds that is capable of improving the hardening speed of the molds and the strength of the molds, and is excellent in storage stability; and a method for producing a foundry mold, using this composition. The binder composition for making self-hardening foundry molds of the present invention is a binder composition for making self-hardening foundry molds, comprising a furan resin and an ion compound, wherein the ion compound contains at least one anion selected from the group consisting of a hydrogensulfite ion, a sulfite ion, a pyrosulfite ion, a thiosulfate ion, a thionate ion, and a dithionite ion; the content of the anion is from 0.006 to 0.60 parts by weight for 100 parts by weight of the furan resin; and the composition has a pH of 6 or less at 25° C.

摘要翻译： 本发明涉及一种能够提高模具的硬化速度和模具强度的自硬硬化模具的粘合剂组合物，并且储存稳定性优异; 以及使用该组合物制造铸造模具的方法。 用于制造本发明的自硬铸造模具的粘合剂组合物是用于制造自硬硬化铸造模具的粘合剂组合物，其包含呋喃树脂和离子化合物，其中所述离子化合物包含至少一种选自以下的阴离子： 亚硫酸氢根离子，亚硫酸根离子，焦亚硫酸根离子，硫代硫酸根离子，硫酸根离子和连二亚硫酸根离子; 对于100重量份的呋喃树脂，阴离子的含量为0.006至0.60重量份; 并且组合物在25℃下的pH为6以下

公开(公告)号：US09943903B2

公开(公告)日：2018-04-17

申请号：US14342183

申请日：2012-08-31

申请人： Ryoji Iwamoto ,  Akira Yoshida

发明人： Ryoji Iwamoto ,  Akira Yoshida

IPC分类号： B22C1/10 ,  B22C1/16 ,  C08G14/02 ,  C09J161/34 ,  B22C1/22 ,  B22C9/02 ,  C08K3/30

CPC分类号： B22C1/167 ,  B22C1/10 ,  B22C1/224 ,  B22C9/02 ,  C08G14/02 ,  C08K3/30 ,  C09J161/34 ,  C08L61/34

摘要： The present invention relates to a binder composition for making self-hardening foundry molds that is capable of improving the hardening speed of the molds and the strength of the molds, and is excellent in storage stability; and a method for producing a foundry mold, using this composition. The binder composition for making self-hardening foundry molds of the present invention is a binder composition for making self-hardening foundry molds, comprising a furan resin and an ion compound, wherein the ion compound contains at least one anion selected from the group consisting of a hydrogensulfite ion, a sulfite ion, a pyrosulfite ion, a thiosulfate ion, a thionate ion, and a dithionite ion; the content of the anion is from 0.006 to 0.60 parts by weight for 100 parts by weight of the furan resin; and the composition has a pH of 6 or less at 25° C.