摘要:
A red reactive dye represented by a free acid of the formula, ##STR1## wherein X is a hydrogen atom, a methyl, methoxy or sulfonic acid group, Y is --CH.dbd.CH.sub.2, --CH.sub.2 CH.sub.2 Y.sub.1 or --CH.sub.2 CH.sub.2 OY.sub.2 (in which Y.sub.1 is a halogen atom, and Y.sub.2 is the residue of polybasic acids), R is a C.sub.1 -C.sub.4 alkyl group, R.sub.1 and R.sub.2 are each a hydrogen atom, a methyl or ethyl group, and the azo group is located on a meta-or para-position of the benzene ring A with respect to the --NR.sub.2 -- group and the sulfonic acid group on the benzene ring A is adjacent to the azo group. This dye is suitable for dyeingcellulose fibers red to afford dyeings superior in fastnesses, acid stability, build-up property, level dyeing property and white dischargeability.
摘要翻译:由下式游离酸代表的红色活性染料,其中X是氢原子,甲基,甲氧基或磺酸基,Y是-CH = CH 2,-CH 2 CH 2 Y 1或-CH 2 CH 2 OY 2(其中 Y1是卤素原子,Y2是多元酸的残基),R是C1-C4烷基,R1和R2各自是氢原子,甲基或乙基,偶氮基位于元 - 或苯环A相对于-NR2-基的对位,苯环A上的磺酸基与偶氮基相邻。 这种染料适用于红色染色纤维素纤维,以提供优异的耐晒牢度,酸稳定性,增强性能,水平染色性能和白色放电性能的染色。
摘要:
A water-insoluble disperse dye composition comprising a combination of a dye represented by the following formula (I), ##STR1## wherein X is hydrogen, halogen, lower alkyl or lower alkoxy, in an amount of 95 to 20% by weight, and a dye represented by the following formula (II), ##STR2## wherein Z, Y.sub.1 and Y.sub.2 are independently hydrogen or halogen, and the ring A is a benzene or naphthalene ring unsubstituted or substituted with a carboxylic acid ester group, in an amount of 5 to 80% by weight, which is useful for dyeing polyester fiber materials to obtain dyed products having both extremely high light fastness and excellent thermal resistance.
摘要:
A method for dyeing polyester fiber materials is disclosed, comprising conducting combination dyeing by a combination of disperse dyes each capable of making up for the color fading of other disperse dye produced upon exposure to sunlight, by the color change thereof in hue caused upon the exposure to sunlight under the same condition.
摘要:
Silica gel is treated with a reactive phthalocyanine compound to form the blue silica gel, which has a phthalocyanine skeleton linked through an organic group. Typically, a phthalocyanine reactive dye is used for the reaction with silica gel at its hydroxyl or other reactive site. The blue silica gel easily adsorbs and desorbs the polycyclic organic substances in a solution. The blue silica gel can be used for the separation or removal of the mutagenic substances from the environment, foodstuffs, etc.
摘要:
A trajectory of motion of the mechanical element is designed by using a three-dimensional curve, referred to as a three-dimensional clothoid curve, in which each of a pitch angle and a yaw angle in a tangential direction is given by a quadratic expression of a curve length or a curve length variable. A trajectory of a machine tool or a contour shape of a workpiece is expressed by using a three-dimensional curve, referred to as a three-dimensional clothoid curve, in which each of a pitch angle and a yaw angle in a tangential direction is given by a quadratic expression of a curve length or a curve length variable to control motion of the machine tool based on the three-dimensional curve.
摘要:
A. [1] A trajectory of motion of the mechanical element is designed by using a three-dimensional curve (referred to as a three-dimensional clothoid curve) in which each of a pitch angle and a yaw angle in a tangential direction is given by a quadratic expression of a curve length or a curve length variable. B. A trajectory of a machine tool or a contour shape of a workpiece is expressed by using a three-dimensional curve (referred to as a three-dimensional clothoid curve) in which each of a pitch angle and a yaw angle in a tangential direction is given by a quadratic expression of a curve length or a curve length variable to control motion of the machine tool based on the three-dimensional curve.