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    • 2. 发明专利
    • Refractory composition, monolithic refractory, shaped refractory
    • 耐火复合材料,单晶耐火材料,成型耐火材料
    • JP2010254497A
    • 2010-11-11
    • JP2009104405
    • 2009-04-22
    • Lignyte Co Ltdリグナイト株式会社
    • IDE ISAMUHIGUCHI NAOTO
    • C04B35/66B22D41/02C21B7/12F27D1/00
    • PROBLEM TO BE SOLVED: To provide a refractory composition which can lengthen available time. SOLUTION: The refractory composition contains refractory aggregate, a phenol resin as a binder component, a solvent as a diluent of the phenol resin and an acetal resin as a curing agent of the phenol resin. The acetal resin is decomposed by high temperature heating to release formaldehyde and the phenol resin is made to gel by the formaldehyde. At temperature for preserving the refractory composition, the acetal resin does not decompose and the phenol resin is not made to gel and thereby viscosity rise with the lapse of time can be suppressed. Therefore, by using the acetal resin as the curing agent of the phenol resin, available time of the refractory composition can be lengthened. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供可延长可用时间的耐火组合物。 解决方案:耐火材料组合物包含耐火骨料,作为粘合剂组分的酚醛树脂,作为酚醛树脂的稀释剂的溶剂和作为酚醛树脂的固化剂的缩醛树脂。 缩醛树脂通过高温加热分解以释放甲醛,并使酚醛树脂由甲醛凝胶化。 在保存耐火材料成分的温度下,缩醛树脂不分解,并且不使酚醛树脂凝胶化,从而可以抑制随时间的粘度上升。 因此,通过使用缩醛树脂作为酚醛树脂的固化剂,可以延长耐火材料组合物的可用时间。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Molding method using granular molding material and molding apparatus for granular molding material
    • 使用颗粒成型材料的成型方法和成型模具用于颗粒成型材料
    • JP2005096372A
    • 2005-04-14
    • JP2003335554
    • 2003-09-26
    • Lignyte Co Ltdリグナイト株式会社
    • IDE ISAMUNISHIKAWA MASANOBUHIGUCHI NAOTO
    • B29C43/34B29C43/02
    • PROBLEM TO BE SOLVED: To provide a molding method using a granular molding material which can homogeneously mold a molding material having low fluidity during plastication or having a short gelation time.
      SOLUTION: The cavity 2 of a mold 1 heated to a molding temperature is sealed. By pressure-feeding the granular molding material 3 into the cavity 2 while air is discharged from the cavity 2, the cavity 2 is filled with the molding material 3 and then pressurized. By pressure-feeding the molding material 3 while air is discharged from the cavity 2, the molding material 3 can be packed in the cavity 2 in a short time, and the molding material 3 can be packed in a uniform bulk density.By pressurization in this state, a homogeneous molding can be molded by a compression molding method.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种使用可以在塑化期间具有低流动性或具有短凝胶化时间的成型材料均匀成型的粒状成型材料的成型方法。 解决方案:加热到成型温度的模具1的空腔2被密封。 通过在从空腔2排出空气的同时将粒状成型材料3压入空腔2中,空腔2被模塑材料3填充,然后加压。 通过在从空腔2排出空气的同时对成形材料3进行加压,可以在短时间内将成型材料3填充到空腔2中,并且可以以均匀的堆积密度填充成型材料3。 在这种状态下,可以通过压缩成型法模制均匀的成型体。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Refractory composition
    • 耐火组合物
    • JP2010105891A
    • 2010-05-13
    • JP2008282132
    • 2008-10-31
    • Kurosaki Harima CorpLignyte Co Ltdリグナイト株式会社黒崎播磨株式会社
    • IDE ISAMUHIGUCHI NAOTOTANAKA MASAHITO
    • C04B35/043C04B35/63C04B35/66C21B7/04C21B7/12C21C5/44C21C7/00F27D1/00
    • PROBLEM TO BE SOLVED: To provide a refractory composition which provides a refractory having a more increased fixed carbon content and having satisfactory oxidation resistance, spalling resistance and corrosion resistance. SOLUTION: The refractory composition contains each of: magnesia and a carbonaceous material as refractory aggregate; a phenol resin, at least either tar or pitch and 2-furaldehyde as a binder; and a compound producing formaldehyde as a hardener for the binder. Then, in the binder, the content of the phenol resin is 20 to 60 mass%, the content of at least either the tar or pitch is 15 to 40 mass% and the content of the 2-furaldehyde is 20 to 50 mass%, and further, the blending amount of the compound producing formaldehyde is ≥9.5 pts.mass% to 100 pts.mass of the binder. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种耐火材料组合物,其提供具有更高固定碳含量并且具有令人满意的抗氧化性,耐剥落性和耐腐蚀性的耐火材料。 解决方案:耐火材料组合物包含:氧化镁和碳质材料作为耐火骨料; 酚醛树脂,至少焦油或沥青和作为粘合剂的2-糠醛; 以及生成甲醛作为粘合剂的硬化剂的化合物。 然后,在粘合剂中,酚醛树脂的含量为20〜60质量%,焦油或沥青中的至少任一种为15〜40质量%,2-糠醛的含量为20〜50质量% 此外,生成甲醛的化合物的配合量为粘合剂的≥9.5质量%〜100质量份。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Refractory composition
    • 耐火组合物
    • JP2007137711A
    • 2007-06-07
    • JP2005333245
    • 2005-11-17
    • Lignyte Co Ltdリグナイト株式会社
    • IDE ISAMUHIGUCHI NAOTONISHINOUE MASAKAZU
    • C04B35/66C21B7/04F27D1/00
    • PROBLEM TO BE SOLVED: To provide a refractory composition excellent in formability and forming stability and capable of obtaining refractory having high fixed carbon content and excellent corrosion resistance and further obtaining dense refractory. SOLUTION: The refractory composition is obtained by blending a phenol resin, tar, pitch, a cyclic compound having ≥130°C boiling point under atmospheric pressure and a reaction catalyst for reacting the phenol resin with tar and the pitch with the cyclic compound as binder components in refractory aggregate. The reactions of the phenol resin with the tar, and the pitch with the cyclic compound are carried out by action of the reaction catalyst to prevent the volatilization of the components in the heating of the refractory composition. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供成型性和成型稳定性优异的耐火材料组合物,能够获得具有高固定碳含量和优异的耐腐蚀性的耐火材料,并进一步获得致密的耐火材料。 解决方案:耐火材料组合物通过将酚醛树脂,焦油,沥青,在大气压下具有≥130℃沸点的环状化合物和用于使酚醛树脂与焦油反应的反应催化剂与具有环状的 化合物作为耐火骨料中的粘合剂组分。 酚醛树脂与焦油的反应和与环状化合物的沥青通过反应催化剂的作用进行,以防止组分在耐火组合物的加热中的挥发。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Method for producing aldehyde-based resin particulate
    • 用于生产基于醛的树脂颗粒的方法
    • JP2007063377A
    • 2007-03-15
    • JP2005250146
    • 2005-08-30
    • Lignyte Co Ltdリグナイト株式会社
    • IDE ISAMUHIGUCHI NAOTO
    • C08G8/04
    • PROBLEM TO BE SOLVED: To produce an aldehyde-based resin particulate of a phenol resin or a furan resin which is spherical and has a particle size of nanometer order.
      SOLUTION: At least one of a phenol and a furan compound is subjected to addition condensation reaction with an aldehyde in the presence of a dispersant and a reaction catalyst while the reaction system is irradiated with an ultrasonic wave. Irradiation of the reaction system with an ultrasonic wave can stir the reaction system by minute vibration, whereby the particle size of the particles formed in the addition condensation reaction can be reduced and the dispersant can suppress the formation of large particles. As a result, it is possible to obtain a nanometer-order aldehyde-based resin particulate which is spherical and has a particle size of 1,000 nm or less.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:制备球形并具有纳米级粒径的酚醛树脂或呋喃树脂的醛基树脂颗粒。 解决方案:在反应体系用超声波照射的同时,在分散剂和反应催化剂的存在下,使苯酚和呋喃化合物中的至少一种与醛进行缩合反应。 用超声波照射反应体系可以通过微小的振动搅拌反应体系,由此可以减少在加成缩合反应中形成的粒子的粒径,分散剂可以抑制大粒子的形成。 结果,可以得到球状的粒径为1000nm以下的纳米级的醛系树脂粒子。 版权所有(C)2007,JPO&INPIT