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    • 5. 发明申请
    • Method for producing polyurethane foam
    • 生产聚氨酯泡沫的方法
    • US20070142489A1
    • 2007-06-21
    • US11641740
    • 2006-12-20
    • Minoru Sawai
    • Minoru Sawai
    • C08G18/00
    • C08G18/4018C08G18/4216C08G18/4238C08G18/4829C08G2101/0066
    • A method for producing a polyurethane foam having a density of 0.1 g/cm3 or more, including the step of reacting a polyol component and a polyisocyanate component, the polyol component containing (polyol A): a polyester-polyol having a hydroxyl value of from 45 to 115 mgKOH/g, obtained by polycondensing a polyhydric alcohol component containing a polyhydric alcohol having a side chain and a polybasic acid component; and (polyol B): a polyether-polyol having 3 functional groups and a hydroxyl value of from 15 to 40 mgKOH/g, wherein the weight ratio of the polyol A to the polyol B, i.e. polyol A/polyol B, is from 1.2 to 3. The polyurethane foam obtained according to the method of the present invention can be suitably used, for example, in shoe soles, cushioning materials for automobiles and other transportation vehicles, furniture, beddings, and the like.
    • 一种密度为0.1g / cm 3以上的聚氨酯泡沫体的制造方法,包括使多元醇成分和多异氰酸酯成分反应的步骤,含有(多元醇A)的多元醇成分:聚酯 通过使包含具有侧链的多元醇和多元酸成分的多元醇成分缩聚得到的羟值为45〜115mgKOH / g的多元醇; 和(多元醇B):具有3个官能团,羟值为15〜40mgKOH / g的聚醚多元醇,其中多元醇A与多元醇B的重量比即多元醇A /多元醇B为1.2 根据本发明的方法获得的聚氨酯泡沫可适用于例如鞋底,汽车缓冲材料等运输车辆,家具,床上用品等。
    • 8. 发明授权
    • Method for deinking
    • 脱墨方法
    • US6077389A
    • 2000-06-20
    • US50802
    • 1998-03-31
    • Minoru SawaiYoichi Ishibashi
    • Minoru SawaiYoichi Ishibashi
    • D21C5/02D21B1/08
    • D21C5/027Y02W30/648
    • A deinking method for obtaining regenerated pulp of high brightness is provided. One or more of deinking agents selected from (a-1) to (a-2) given below are used, and a deinking step is carried out, in which a washing step is carried out at treating temperatures from 40 to 80.degree. C.;(a-1) : a compound represented by the general formula (a-1) given below,R.sub.1 --O--(AO).sub.p --H (a-1)where R.sub.1 is an alkyl group or an alkenyl group having 14 to 24 carbon atoms, AO is specific quantities of EO and PO, and p is a number to satisfy the specific quantities,(a-2): a compound represented by the general formula (a-2) given below,R.sub.2 [--COO--(AO).sub.m --R.sub.3 ].sub.n (a-2)where n is an integer of one or more, R.sub.2 is a residue of carboxylic acid having 14 to 24 carbon atoms in total, R.sub.3 is hydrogen atom or an alkyl group having 1 to 20 carbon atoms and the like, AO is specific quantities of EO and PO, and m is a number to satisfy the specific quantities.
    • 提供了一种用于获得高亮度的再生浆的脱墨方法。 使用选自下述(a-1)〜(a-2)的脱墨剂中的一种以上的脱墨剂,进行在40〜80℃的处理温度下进行洗涤工序的脱墨工序。 ; (a-1):由下式给出的通式(a-1)表示的化合物:R1-O-(AO)pH(a-1)其中R1是烷基或具有14-24个碳原子的烯基 AO是特定量的EO和PO,p是满足特定量的数(a-2):由下列通式(a-2)表示的化合物,R2 [-COO-(AO) m-R3] n(a-2)其中n是一个或多个的整数,R2是总共具有14-24个碳原子的羧酸的残基,R3是氢原子或具有1-20个碳原子的烷基 AO是EO和PO的特定量,m是满足特定量的数。
    • 9. 发明授权
    • Low viscosity polyester-polyols and polyurethane foams prepared therefrom
    • 低粘度聚酯多元醇和由其制备的聚氨酯泡沫
    • US06284811B1
    • 2001-09-04
    • US09508454
    • 2000-05-17
    • Minoru SawaiMakoto OkuboKenichi MiyamotoKazunari TakemuraMasahiro Mori
    • Minoru SawaiMakoto OkuboKenichi MiyamotoKazunari TakemuraMasahiro Mori
    • C08G1814
    • C08G63/16C08G18/10C08G18/4216C08G2101/0008C08G2101/005C08G2101/0066C08G2101/0083C08G18/797C08G18/664C08G18/42
    • A polyester-polyol being liquid at 40° C. and having a viscosity of not more than 10,000 mPa·s at 60° C., prepared by polycondensation of an acid component including at least one phthalic acid component selected from phthalic anhydride and o-phthalic acid, and an aliphatic polybasic acid, with a polyhydric alcohol; a process for preparing a polyurethane foam including reacting a polyisocyanate component with a polyol component including the polyester-polyol; a process for preparing an isocyanate prepolymer from a polyisocyanate component and a polyol component including the polyester-polyol; and a process for preparing a polyurethane foam including reacting an isocyanate prepolymer prepared from a polyisocyanate component and a polyol component including the polyester-polyol, with a polyol component. The resulting polyurethane foam shows remarkably improved physical properties such as tensile strength and tear strength, while having low density, acceptable appearance and texture.
    • 聚酯多元醇在40℃下为液体,并且在60℃下具有不大于10,000mPa.s的粘度,通过包含至少一种选自邻苯二甲酸酐和邻苯二甲酸的邻苯二甲酸组分的酸组分的缩聚制备 ,和脂肪族多元酸与多元醇; 一种制备聚氨酯泡沫的方法,包括使多异氰酸酯组分与包含所述聚酯多元醇的多元醇组分反应; 由多异氰酸酯组分和包含所述聚酯多元醇的多元醇组分制备异氰酸酯预聚物的方法; 以及制备聚氨酯泡沫的方法,包括使由多异氰酸酯组分制备的异氰酸酯预聚物和包含所述聚酯多元醇的多元醇组分与多元醇组分反应。 所得到的聚氨酯泡沫体具有显着改善的物理性能,例如拉伸强度和撕裂强度,同时具有低密度,可接受的外观和质地
    • 10. 发明授权
    • Apparatus for grasping ends of belt-like members
    • 用于抓住带状构件的端部的装置
    • US4867434A
    • 1989-09-19
    • US212992
    • 1988-06-29
    • Koji OkuyamaMinoru Sawai
    • Koji OkuyamaMinoru Sawai
    • B29C53/04B29D30/30B65H20/16B65H45/28
    • B29D30/3007B65H20/16Y10T83/2183
    • An apparatus for grasping ends of a belt-like member, a support base for supporting the ends of the belt-like member, and an embracing member extending in width directions of the belt-like member and movable toward and away from the support base for urging the ends of the belt-like member against the support base when the embracing member has moved toward said support base. The apparatus further comprises at least one folding member extendible from and retractable into the support base for folding the ends of the belt-like member along edges of the embracing member when the folding member has extended from the support base, and embracing plates supported by the embracing member movably toward and away from the embracing member for embracing the folded ends of the belt-like member over their widths in cooperation with the embracing member when the embracing plates have moved toward the embracing member.
    • 用于抓持带状构件的端部的装置,用于支撑带状构件的端部的支撑基座和沿着带状构件的宽度方向延伸并且可朝向和远离支撑基座移动的包围构件, 当包围构件朝向所述支撑基座移动时,将带状构件的端部推靠在支撑基座上。 所述装置还包括至少一个折叠构件,所述至少一个折叠构件从所述支撑基座延伸并可缩回到所述支撑基座中,用于当所述折叠构件已经从所述支撑基座延伸时包围所述带状构件的端部,从而沿着所述包围构件的边缘折叠, 包围构件可移动地朝向和远离包围构件移动,以在包围板朝向包围构件移动时与包围构件协作,使带状构件的折叠端部在其宽度上包围。