公开(公告)号：JPH09302059A

公开(公告)日：1997-11-25

申请号：JP6745197

申请日：1997-03-04

Applicant: KAO CORP

Inventor： SAKAI MITSURU ,  HARADA SHOICHIRO ,  TAKEMURA KAZUNARI ,  ITOI AKITO ,  OKUBO MAKOTO

IPC: A43B13/04 ,  B32B5/14 ,  C08G18/00 ,  C08G101/00 ,  C08J9/02 ,  C08L75/04

Abstract: PROBLEM TO BE SOLVED: To provide a polyurethane foam showing excellent modability without impairing split tear resistance even when the proportion of water is increased in order to lower the molding density. SOLUTION: This foam is obtained by reacting a compound having at least two isocyanate-reactive hydrogen atoms in the molecule and a molecular weight of 400-10,000 with a polyisocyanate in the presence of a foam stabilizer, water and a catalyst and has a ratio r1 /r2 of 0.02-0.80 (wherein r1 is the average diameter of the cells present on the surface part between the foam surface and the part which has a thickness of 5% of the entire foam thickness, and r2 is the average diameter of the cells present in the central part (a part covering 40-60wt.% of the entire foam thickness as measured from the foam surface).

公开(公告)号：JPH04371344A

公开(公告)日：1992-12-24

申请号：JP14873891

申请日：1991-06-20

Applicant: KAO CORP

Inventor： SAKAI MITSURU ,  KIUCHI KAZUHIKO ,  NAKAI SHIGEO

IPC: B22C1/22 ,  B22D17/22

Abstract: PURPOSE:To obtain the better collapsing property, etc., eliminate the need for the execution of a heat treatment in a knock-out stage and to eliminate the distortions of a casting mold as well as to improve the dimensional defects of a casting by deformation and working environment by using the above binder compsn. at the time of producing the sand core to be applied to an undercut part in die casting for casting a light alloy under a high pressure. CONSTITUTION:This binder compsn. for the sand core for high-pressure casting is the binder compsn. which consists essentially of furfuryl alcohol and is used at the time of producing the sand core to be applied to the undercut part in die casting for casting the light alloy under several 10 to several 100kg/cm pressure by blowing gaseous or aerosol sulfur dioxide into a sand mold formed by adding and mixing the binder compsn. and peroxide compsn. to and with refractory aggregate and molding the mixture. The furfuryl alcohol exists or remains in the above-mentioned binder compsn.

公开(公告)号：JPH04371342A

公开(公告)日：1992-12-24

申请号：JP14618191

申请日：1991-06-18

Applicant: KAO CORP

Inventor： KIUCHI KAZUHIKO ,  SAKAI MITSURU ,  FUNADA HITOSHI

IPC: B22C1/20 ,  B22C9/10 ,  B22D17/22 ,  C09J4/02

Abstract: PURPOSE:To obtain the better collapsing property (sand shaking-out property) than the collapsing property of the casting mold obtd. by the conventional process for production by using the above binder compsn. and eventually to drastically decrease the knock-out stages in high-pressure casting and to obtain the binder compsn. extremely useful in practical use. CONSTITUTION:This binder compsn. is used for the process for production of sand core to be applied to the undercut part in die casting for casting a light alloy under several 10 to several 100kg/cm pressure and is the binder compsn. for the sand core for high-pressure casting essentially consisting of a polymn. accelerator contg. an amine activator contg. cobalt soap and amine and acrylate and/or methacrylate.

公开(公告)号：JPS6431545A

公开(公告)日：1989-02-01

申请号：JP18473987

申请日：1987-07-24

Applicant: KAO CORP

Inventor： SAKAI MITSURU ,  KIUCHI KAZUHIKO ,  SAWA MASUO

IPC: B22C1/22

Abstract: PURPOSE:To improve setting speed of a mold by blending furfuryl alcohol, frufuryl alcohol/formaldehyde adding condensation compound and novolak type and resol type phenol resin at the specific ratios. CONSTITUTION:Binder for using composition for the mold is constituted by 100wt. parts of the furfuryl alcohol, 20-120 parts of the furfuryl/formaldehyde adding condensation compound, 5-70 parts of the novolak type phenol resin and 10-100 parts of the material containing thermo setting resin as the main component. This binder uses at about 0.5-5 parts and the setting agent uses at about 0.1-3 parts to 100 parts of aggregate for the mold composition.

公开(公告)号：JP2006176737A

公开(公告)日：2006-07-06

申请号：JP2004374311

申请日：2004-12-24

Applicant: Kao Corp ,  花王株式会社

Inventor： SAKAI MITSURU ,  KITAGAWA HIROSHI

IPC: C08G18/00 ,  C08L75/04 ,  C08L83/04

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyurethane for shoe soles having excellent abrasion resistance, to provide the polyurethane for the shoe soles obtained by the method for production and to provide a polyol component for producing the polyurethane for the shoe soles suitably usable for the method for production.
SOLUTION: The method for producing the polyurethane for the shoe soles is carried out by reacting the polyol component containing a polyol having 400-10,000 number-average molecular weight and a dimethylpolysiloxane having ≥50 mm
2 /s viscosity at 25°C with a polyisocyanate component. The polyurethane for the shoe soles can be obtained by the method for production. The polyol component for producing the polyurethane for the shoe soles contains the polyol having 400-10,000 number-average molecular weight and the dimethylpolysiloxane having ≥50 mm
2 /s viscosity at 25°C.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种制造具有优异耐磨性的鞋底的聚氨酯的方法，以提供通过该制造方法得到的鞋底的聚氨酯，并提供用于制备聚氨酯的多元醇成分 鞋底适合用于生产方法。 解决方案：鞋底聚氨酯的制造方法是通过使含有数均分子数为400〜10000的多元醇的多元醇成分与≥50mm的SPME的二甲基聚硅氧烷反应来进行的， / 25℃下的粘度与多异氰酸酯组分。 用于鞋底的聚氨酯可以通过生产方法获得。 用于制造用于鞋底的聚氨酯的多元醇组分含有数均分子量为400-10,000的多元醇和在25℃下≥50mm粘度的二甲基聚硅氧烷。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005206800A

公开(公告)日：2005-08-04

申请号：JP2004351211

申请日：2004-12-03

Applicant: Kao Corp ,  花王株式会社

Inventor： SAKAI MITSURU ,  HOSOKAWA KOEI

IPC: C08G18/20

Abstract: PROBLEM TO BE SOLVED: To obtain a catalyst that imparts transparency to polyurethanes, the polyurethanes for which the catalyst is used and which have good transparency that is characterized by low deterioration per day, and to provide a method for producing such polyurethanes.
SOLUTION: This catalyst for producing polyurethanes contains 1 or more kinds of substances selected from the group consisting of triethylenediamine, 1,8-diazabicyclo[5.4.0]undecene-7,1,5-diazabicyclo[4.3.0]nonene-5, and their salts. The method for producing the polyurethanes comprises reacting a polyisocyanate component with a polyol component in the presence of the catalyst for producing polyurethanes. The polyurethane is obtained by reacting the polyisocyanate component with the polyol component in the presence of the above catalyst for producing polyurethanes.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题为了获得赋予聚氨酯透明性的催化剂，使用催化剂的聚氨酯，其具有良好的透明性，其特征在于每天的劣化特性，并提供制备这种聚氨酯的方法。 解决方案：用于生产聚氨酯的催化剂含有选自三亚乙基二胺，1,8-二氮杂双环[5.4.0]十一碳烯-7,1,5-二氮杂双环[4.3.0]壬烯中的一种或多种物质 -5及其盐。 制备聚氨酯的方法包括在用于生产聚氨酯的催化剂的存在下使多异氰酸酯组分与多元醇组分反应。 在上述用于制备聚氨酯的催化剂的存在下，使多异氰酸酯组分与多元醇组分反应获得聚氨酯。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004091604A

公开(公告)日：2004-03-25

申请号：JP2002253608

申请日：2002-08-30

Applicant: Kao Corp ,  花王株式会社

Inventor： ISHIKAWA ATSUSHI ,  SAKAI MITSURU

IPC: C08G18/20 ,  C08G101/00

Abstract: PROBLEM TO BE SOLVED: To provide a catalyst composition for polyurethane foam production which has a catalytic activity effectively utilized by decreasing the amount of a solvent, is a liquid and does not solidify even at a low temperature, and is excellent in handleability.
SOLUTION: The catalyst composition contains (A) 1,2-dimethylimidazole, (B) 1,4-diazabicyclo[2.2.2]octane, and (C) at least one hydroxy-group-containing compound selected from the group consisting of dialkanolamines represented by formula (I): R
1 N(CH
2 CHR
2 OH)
2 (wherein R
1 is a 1-18C straight chain or branched alkyl or alkenyl group; and R
2 is H or methyl) and glycols represented by formula (II): HO-CHR
3 CHR
4 -(OCHR
3 CHR
4 )
n -OH (wherein R
3 and R
4 are each H or methyl; and n is 0, 1 or 2).
COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2002356528A

公开(公告)日：2002-12-13

申请号：JP2001162081

申请日：2001-05-30

Applicant: KAO CORP

Inventor： ISHIKAWA ATSUSHI ,  SAKAI MITSURU ,  MORI ATSUTO

IPC: C08G18/00 ,  C08G101/00

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyurethane foam in which the compatibility of raw materials, the uniformity and stability of cells are improved and the foam has low repulsion characteristic without using compounds giving bad influences on a human body. SOLUTION: The polyurethane foam contains a nonionic compound represented by the formula (I): RO-[(EO)x .(PO)y ]-(EO)z -H (I) [wherein, R is a 8-20C linear or branched chain alkyl group or alkenyl group; EO is an oxyethylene group; PO is an oxypropylene group; x and z are each 1 or more showing an average addition mol number of the oxyethylene group; the sum of x and z is 3 or more; y is 1 or more showing an average addition mol number of the oxypropylene group provided that the [(EO)x .(PO)y ] is a random block adduct or its mixed and [(EO)x .(PO)y ] and (EO)z are block-bonded]. The method for producing the polyurethane foam comprises a reaction of a polyol component and an isocyanate compound in the presence of the nonionic compound, a foaming agent and a catalyst.

公开(公告)号：JP2002179756A

公开(公告)日：2002-06-26

申请号：JP2000378779

申请日：2000-12-13

Applicant: KAO CORP

Inventor： ISHIKAWA ATSUSHI ,  SAKAI MITSURU ,  MORII MASAYOSHI

IPC: C08G18/18 ,  C08G18/00 ,  C08G101/00

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a low density polyurethane foam of 20 kg/m3 or lower density, having good adhesion with an adherend without shrinking of the foam or formation of voids inside for a formulation using abundant water as a foaming agent, capable of producing the polyurethane foam in good conditions of working environment reducing bad smell due to a catalyst for producing polyurethane. SOLUTION: This method for producing a polyurethane foam having 20 kg/m3 or lower density comprises reacting a polyol component with an isocyanate component in the presence of a catalyst for producing polyurethane, a foaming agent and a foam stabilizer, wherein the catalyst comprises a tertiary amine expressed by the formula (I) (where n is an integer of 2 to 4) and an imidazole compound expressed by the formula (II) (where R1 represents a C1-6 linear or branched alkyl group or a C1-6 linear or branched hydroxyalkyl group; and R2 represents a hydrogen atom, a C1-6 linear or branched alkyl group or a C1-6 linear or branched hydroxyalkyl group).

公开(公告)号：JP2001247643A

公开(公告)日：2001-09-11

申请号：JP2000062614

申请日：2000-03-07

Applicant: KAO CORP

Inventor： ISHIKAWA ATSUSHI ,  SAKAI MITSURU ,  MORII MASAYOSHI

IPC: C08G18/20 ,  C08G101/00

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an odorless polyurethane foam which keeps the inherent properties of an N-substituted imidazole and is reduced in an offensive odor based on the N-substituted imidabzoles, allowing a good producing environment. SOLUTION: The method for producing an odorless polyurethane foam comprises a reaction of the polyol component with the isocyanate component in the presence of a low-odored catalyst and a foaming agent, wherein said catalyst comprises an imidazole compound represented by the formula (I) (Wherein R1 is a 1-4C alkyl group, R2 is hydrogen or methyl, and n is 1 or 2).