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    • 2. 发明专利
    • Method for producing sand composition for molding casting mold, and method for producing casting mold
    • 用于制造用于模制铸造模具的砂组合物的方法,以及用于生产铸模的方法
    • JP2011140034A
    • 2011-07-21
    • JP2010001110
    • 2010-01-06
    • Gun Ei Chem Ind Co Ltd群栄化学工業株式会社
    • NAGAI YASUHIROHARASAWA DAI
    • B22C1/10B22C1/00B22C1/22
    • PROBLEM TO BE SOLVED: To provide a method for stably producing a sand composition for molding a casting mold which reduces the amount of generation of sulfurous acid gas even if an acid-setting resin containing a large quantity of moisture is used, and also provides a casting mold having sufficient strength without complicating a production process, and to provide a method for producing the casting mold. SOLUTION: In the method for producing a sand composition for molding a casting mold, a refractory granular material and sulfonic acid and/or sulfuric acid are mixed to prepare a mixture, thereafter, the mixture is mixed with an acid-setting resin, and concurrently with or after the mixing, a calcium chloride solution and/or a magnesium chloride solution is mixed therein. Alternatively, in the method for producing a sand composition for molding a casting mold, a refractory granular material, sulfonic acid and/or sulfuric acid, an acid-setting resin, a calcium chloride solution and/or a magnesium chloride solution are simultaneously mixed. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种即使使用含有大量水分的酸定型树脂,也能够稳定地制造成型铸模用砂组合物的方法,即使使用含有大量水分的酸定型树脂,也能减少亚硫酸气体的产生量, 还提供了具有足够强度的铸模,而不会使生产工艺复杂化,并且提供了一种用于生产铸模的方法。 解决方案:在铸造模具用砂组合物的制造方法中,混合耐火颗粒材料和磺酸和/或硫酸以制备混合物,然后将混合物与酸固化树脂 ,并且在混合之后或之后混合氯化钙溶液和/或氯化镁溶液。 或者,在铸造模具用砂粒组合物的制造方法中,同时混合耐火颗粒材料,磺酸和/或硫酸,酸固化树脂,氯化钙溶液和/或氯化镁溶液。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Curing agent composition for mold making and method for manufacturing mold
    • 用于模具制造的固化剂组合物和用于制造模具的方法
    • JP2011255384A
    • 2011-12-22
    • JP2010129189
    • 2010-06-04
    • Gun Ei Chem Ind Co Ltd群栄化学工業株式会社
    • NAGAI YASUHIROFUNAMI TETSUSHI
    • B22C1/10B22C1/22B22C9/12C08K5/05C08K5/07C08K5/101C08L61/04
    • PROBLEM TO BE SOLVED: To provide a curing agent composition for a mold making containing methyl formate, which is not corresponding to a special ignitable substance and to provide a method for manufacturing a mold using the curing agent composition for the mold making.SOLUTION: There is provided the curing agent composition for the mold making which is essentially consisting of the methyl formate and at least one component (I) selected from ketones, alcohols and esters other than methyl formate and has a boiling point of balanced recirculation of >40°C. There is also provided the method for manufacturing the mold which brings the curing agent composition for the mold making into contact with a sand composition containing a refractoriness granular material and a water-soluble alkali phenol resin to cure the sand composition.
    • 待解决的问题:提供含有甲酸甲酯的模具制备用固化剂组合物,其不对应于特殊的可点燃物质,并提供使用该模具制造用固化剂组合物的模具的制造方法。 提供了用于模具制备的固化剂组合物,其基本上由甲酸甲酯和至少一种选自除了甲酸甲酯之外的酮,醇和酯的组分(I)组成,并且具有平衡的沸点 循环> 40°C。 还提供了用于使模具的固化剂组合物与含有不可屈服粒状材料和水溶性碱性酚醛树脂的砂组合物接触的模具的制造方法,以固化砂组合物。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Binder composition for casting mold making, sand composition for casting mold making, and manufacturing method of casting mold
    • 铸造模具的组合物,铸造模具的组合物和铸造模具的制造方法
    • JP2009269062A
    • 2009-11-19
    • JP2008122679
    • 2008-05-08
    • Gun Ei Chem Ind Co Ltd群栄化学工業株式会社
    • NAGAI YASUHIROYOSHIMURA MASAJI
    • B22C1/20B22C1/10B22C1/22
    • PROBLEM TO BE SOLVED: To provide a binder composition for casting mold making which is high in curing speed and is satisfactory in curing in the inside (deep part) of a casting mold, more preferably to provide the binder composition for casting mold making which is eliminated of a flash point so as not to correspond to the Fire Defence Law Class 4 Third Petroleum, is high in curing speed and is satisfactory in curing in the inside (deep part) of the casting mold, and further to provide a sand composition for casting mold making using the binder composition for casting mold making and a method for manufacturing a casting mold using the sand composition for casting mold making.
      SOLUTION: The binder composition for casting mold making is a binder composition for casting mold making containing an acid curable material and a solvent, in which the acid curable material contains furfuryl alcohol, and the solvent contains a chlorine-based organic solvent. In addition, the content of the solvent in the binder composition for casting mold making is preferably ≥15 mass%.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:为了提供一种固化速度快并且在铸模的内部(深部)中的固化令人满意的用于模具制造的粘合剂组合物,更优选地提供用于铸模的粘合剂组合物 消除闪点,不符合“防火法”第4类“第三石油”的要求,固化速度高,并且在铸模的内部(深部)固化是令人满意的,并且还提供一种 用于用于铸造模具制造的粘合剂组合物的模具制造用砂组合物和使用该铸造模具制造用砂组合物的铸模的制造方法。 解决方案:用于铸造模具的粘合剂组合物是含有酸可固化材料和溶剂的用于铸造模具的粘合剂组合物,其中酸性可固化材料含有糠醇,并且溶剂含有氯基有机溶剂。 另外,铸造用模具用粘合剂组合物中的溶剂的含量优选为≥15质量%。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Binder composition for molding of casting mold, and method for manufacturing the same, sand composition for molding of casting mold and method for manufacturing casting mold
    • 用于模制模具的粘合剂组合物及其制造方法,用于模铸模具的组合物和制造铸模的方法
    • JP2009119505A
    • 2009-06-04
    • JP2007297827
    • 2007-11-16
    • Gun Ei Chem Ind Co Ltd群栄化学工業株式会社
    • NAGAI YASUHIROOKUBO AKIHIRONASU HIDEO
    • B22C1/10B22C1/22
    • PROBLEM TO BE SOLVED: To manufacture a casting mold in which an amount of the formaldehyde can be reduced, the initial strength of the casting mold is enhanced, the final casting mold strength is made necessary and sufficient, collapsibility is made satisfactory, and productivity is satisfactory.
      SOLUTION: The vegetable natural product extraction composition extracted from the natural products, such as insect galls parasitizes to leaves, seeds, fruits, vegetables Is further incorporated into the binder composition containing an acid curing resin. The vegetable natural product extraction composition expresses a formaldehyde capturing effect and a curing acceleration effect, to suppress the final casting mold strength and to facilitate the collapsing process of the casting mold. The plant-derived natural products are appropriately natural products, such as galla rhois, quercus infectoria, galla halepensis, radicis cortex powder, persimmon fruit, chestnut skin, and tamarind seed.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了制造其中可以减少甲醛量的铸模,提高了铸模的初始强度,使得最终的模具强度变得必要和充分,可收缩性令人满意, 生产力令人满意。 解决方案:从天然产物中提取的植物天然产物提取组合物,例如寄生在叶子,种子,水果,蔬菜中的昆虫胆汁进一步掺入含有酸固化树脂的粘合剂组合物中。 植物天然产物提取组合物表现出甲醛捕获效果和固化加速效果,以抑制最终的浇铸模具强度并促进模具的塌陷过程。 植物来源的天然产物是适当的天然产物,如加仑,栎,枸杞,根皮质粉,柿子果,板栗皮和罗望子种。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • 自硬性鋳型造型用組成物とその製造方法、及び鋳型の製造方法
    • 自固化模具组合物,其制造方法和制造模具的方法
    • JP2014208364A
    • 2014-11-06
    • JP2013132902
    • 2013-06-25
    • 群栄化学工業株式会社Gunei-Chemical Industry Co Ltd
    • NAGAI YASUHIROHATORI YUKI
    • B22C1/10B22C1/02B22C1/18B22C1/20
    • B22C1/02B22C1/10B22C1/18B22C1/20
    • 【課題】鋳造時までは充分な強度を維持しつつ、かつ鋳造後の崩壊性に優れ、鋳造時や解体時における作業環境が良好な鋳型を得ることが可能な自硬性鋳型造型用組成物とその製造方法、及び鋳型の製造方法の提供。【解決手段】耐火性粒状材料と、硫酸及びスルホン酸類からなる群から選択される1種以上と、有機エステルと、水ガラスとを混合した、自硬性鋳型造型用組成物。耐火性粒状材料と、硫酸及びスルホン酸類からなる群から選択される1種以上と、有機エステルとを混合して混合物を調製した後に、該混合物と水ガラスとを混合する、自硬性鋳型造型用組成物の製造方法。該自硬性鋳型造型用組成物を鋳型製造用の型に充填し、必要に応じて炭酸ガスを通気させて前記自硬性鋳型造型用組成物を硬化させる、鋳型の製造方法。【選択図】なし
    • 要解决的问题:为了提供一种自固化模塑组合物及其制造方法和制造模具的方法,该模具能够提供在模塑前保持足够强度的模具,成型后的可收缩性优异, 并且在成型或分解过程中的工作环境是好的。解决方案:通过混合耐火颗粒材料,选自硫酸和磺酸等中的至少一种,有机酯, 和水玻璃。 在制造自固化模塑组合物的方法中,将从硫酸和磺酸等中选择的至少一种和有机酯中的至少一种混合在一起制备混合物, 然后将混合物与水玻璃混合。 在制造模具的方法中,将自固化模制成型组合物包装到用于制造模具的模具中,并且根据需要使二氧化碳通风以固化自固化模塑组合物。
    • 10. 发明专利
    • Composition for carbon dioxide hardening cast molding, and manufacturing method of cast
    • 二氧化碳硬化铸造模具的组成和铸造的制造方法
    • JP2014188541A
    • 2014-10-06
    • JP2013064988
    • 2013-03-26
    • Gunei-Chemical Industry Co Ltd群栄化学工業株式会社
    • NAGAI YASUHIROHATORI YUKI
    • B22C1/18B22C1/10
    • PROBLEM TO BE SOLVED: To provide a composition for carbon dioxide hardening cast molding excellent in collapsibility after casting, while maintaining sufficient strength until casting, and capable of obtaining a cast having an excellent work environment during casting or during decomposition, and to provide a manufacturing method of a cast.SOLUTION: A composition for carbon dioxide hardening cast molding is formed by mixing together a fire-resistant granular material, one or more kinds selected from a group comprising sulfuric acid and sulfonic acids, and water glass. In a manufacturing method of a cast, a composition for carbon dioxide hardening cast molding is filled into a mold for manufacturing the cast, and carbon dioxide is blown therethrough, to thereby harden the composition for carbon dioxide hardening cast molding.
    • 要解决的问题:提供一种在铸造后具有优异的可收缩性的二氧化碳硬化浇注成型用组合物,同时保持足够的强度直到铸造,并且能够获得在铸造或分解期间具有优异的工作环境的铸件,并提供制造 铸造方法。二氧化碳硬化浇注成型用组合物是将选自硫酸,磺酸等的一种以上的耐火性颗粒材料与水玻璃混合而形成的。 在铸件的制造方法中,将用于二氧化碳硬化铸造成型的组合物填充到用于制造铸件的模具中,并且将二氧化碳吹入其中,从而硬化用于二氧化碳硬化铸造成型的组合物。