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公开(公告)号:US5043365A
公开(公告)日:1991-08-27
申请号:US407232
申请日:1989-09-14
申请人: Arno Gardziella , Alois Kwasniok , Peter Adolphs , Ralf Wetzig
发明人: Arno Gardziella , Alois Kwasniok , Peter Adolphs , Ralf Wetzig
CPC分类号: B22C1/00 , C08G18/542
摘要: A granular molding material with a binder comprising a phenol novolac and a polyisocyanate which hardens upon addition of amine catalysts wherein the molar ratio of phenol to formaldehyde in the novolac is 1:0.25 to 1:0.5 and has the formula ##STR1## wherein R, R' and R" are individually selected from the group consisting of hydrogen, alkyl of 1 to 12 carbon atoms, hydroxy, cycloalkyl of 3 to 12 carbon atoms and an anellated ring and X is an integer from 0 to 4 or >4 with the percent molar distribution based on X is as follows:______________________________________ when X = 0: 20-55% X = 1: 15-30% X = 2: 10-30% X = 3: 0-50% X .gtoreq. 4: 0-2.5% ______________________________________ for the production of improved foundry cores and molds.
摘要翻译: 一种具有粘合剂的粒状模制材料,其包含苯酚酚醛清漆和多异氰酸酯,其在加入胺催化剂时硬化,其中酚醛与酚醛清漆之间的摩尔比为1:0.25至1:0.5,并具有式“ R'和R“分别选自氢,1至12个碳原子的烷基,羟基,3至12个碳原子的环烷基和一个安定的环,X是0-4或> 4的整数, 基于X的摩尔分数百分比如下:当X = 0:20-55%-X = 1:15-30%-X = 2:10-30%-X = 3:0-50%-X > / = 4:0-2.5% - 用于生产改进的铸造芯和模具。
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公开(公告)号:US4584329A
公开(公告)日:1986-04-22
申请号:US714747
申请日:1985-03-22
申请人: Arno Gardziella , Peter Adolphs , Alois Kwasniok
发明人: Arno Gardziella , Peter Adolphs , Alois Kwasniok
IPC分类号: C08K5/00 , B22C1/10 , B22C1/22 , C04B35/01 , C04B35/532 , C08K3/38 , C08K5/55 , C08L67/00 , C08L87/00
CPC分类号: C08K3/38 , B22C1/2233 , C04B35/013 , C04B35/532 , C08K5/55
摘要: Hardenable molding masses are disclosed containing an organic binder material, fillers and additives wherein the binder material after the shaping and hardening is pyrolytically decomposed. The development of harmful substances such as aromatic hydrocarbons is considerably reduced through the addition of a boron containing compound.
摘要翻译: 公开了含有有机粘合剂材料,填料和添加剂的可硬化成型体,其中成型和硬化后的粘合剂材料被热分解。 通过加入含硼化合物,可显着降低芳香烃等有害物质的发生。
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公开(公告)号:US5288774A
公开(公告)日:1994-02-22
申请号:US967814
申请日:1992-10-28
申请人: Arno Gardziella , Achim Hansen , Alois Kwasniok
发明人: Arno Gardziella , Achim Hansen , Alois Kwasniok
IPC分类号: B22C1/22 , C04B35/634 , C09J197/00 , C08K5/00
CPC分类号: C04B35/63448 , B22C1/22 , C04B35/634 , C04B35/63472 , C04B35/63476 , C09J197/005
摘要: A binding agent comprising 95 to 50% by weight of a furan resin, 5 to 50% by weight of lignin from the Organosolv process and organic and/or inorganic acid curing agents useful for the production of curable molding compositions, high temperature-stable molding substances and refractory products, especially casting cores and casting molds.
摘要翻译: 包含95〜50重量%的呋喃树脂,5〜50重量%的来自有机溶剂工艺的木质素和可用于制备可固化模塑组合物的有机和/或无机酸固化剂的粘合剂,高温稳定成型 物质和耐火产品,特别是铸铁和铸造模具。
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公开(公告)号:US4942217A
公开(公告)日:1990-07-17
申请号:US263066
申请日:1988-10-26
申请人: Arno Gardziella , Alois Kwasniok
发明人: Arno Gardziella , Alois Kwasniok
CPC分类号: C08G8/10 , B22C1/2253
摘要: A heat-hardenable binder comprising (a) a phenolic resin of a phenolic compound and formaldehyde in a molar ratio of 1:1 to 1:2 and (b) an effective amount of a hardener mixture of hexamethylenetetramine and an acidic latent hardening agent with reduced emission problems and curing rapidly.
摘要翻译: 一种热可硬化粘合剂,其包含(a)酚类化合物的酚醛树脂和摩尔比为1:1至1:2的甲醛和(b)有效量的六亚甲基四胺和酸性潜硬化剂的固化剂混合物与 减少排放问题,迅速治愈。
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公开(公告)号:US4634723A
公开(公告)日:1987-01-06
申请号:US714746
申请日:1985-03-22
IPC分类号: C08L71/00 , B22C1/22 , C08G16/02 , C08G65/36 , C08L61/00 , C08L71/02 , B22C1/16 , C08J3/24 , C08K5/15 , C08L71/06
CPC分类号: C08G16/0262 , B22C1/224 , C08L61/00
摘要: A binder material is disclosed formed from furfuryl alcohol suitable for the preparation of molded bodies and cores for molding for the foundry industry based on the following composition:40-60 weight percent higher molecular weight furfuryl alcohol formaldehyde condensation product28-40 weight percent lower molecular weight furfuryl alcohol formaldehyde condensation product12-25 weight percent 2,5-bis-hydroxymethylfuran0-8 weight percent furfuryl alcohol.
摘要翻译: 公开了一种粘合剂材料,其由适用于制备成型体的糠醇和用于铸造工业成型的芯基于以下组成形成:40-60重量%的较高分子量的糠醇甲醛缩合产物较低分子量为28-40重量% 重量糠醇甲醛缩合产物12-25重量%2,5-双羟甲基呋喃0-8重量%糠醇。
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