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    • 35. 发明授权
    • Process of treating waste water from a textile vat dyeing operation to
produce a concentrate for reuse
    • 处理来自纺织瓮染色操作的废水以产生用于再利用的浓缩物的方法
    • US4165288A
    • 1979-08-21
    • US812911
    • 1977-07-05
    • Richard K. TeedErnest A. Freeman, Jr.
    • Richard K. TeedErnest A. Freeman, Jr.
    • C02F1/44B01D61/02B01D61/08B01D61/12B01D61/58C02F1/00C02F9/00D06P1/22B01D13/00B01D31/00
    • C02F9/00B01D61/022B01D63/06B01D65/08B01D2311/02B01D2313/50B01D2313/90B01D2317/022B01D2321/2016
    • Process of treating waste water from a textile vat dyeing operation containing water, vat dyes, and dissolved and undissolved impurities including salts, lint, foreign matter, etc. to produce a concentrate suitable for direct reuse in the vat dyeing operation to conserve the use of dyes and water, as follows. Undissolved impurities of a predetermined particle size are filtered out. Thereafter, the waste water is concentrated and filtered down to a concentrate of a ratio of from about 30/1 to 200/1 while removing excess water and a substantial portion of the remaining impurities and retaining substantially all of the vat dyes and a desired amount of water. The latter step is preferably performed by circulating the waste water through a reverse osmosis filtration device, while separating the waste water into a permeate containing excess water an a substantial portion of the remaining impurities including salts and a concentrate containing substantially all of the vat dyes and a desired amount of water, and by removing the permeate and retaining the concentrate for use in the dyeing operation.
    • 处理含有水,还原染料以及溶解和未溶解的杂质(包括盐,棉绒,异物等)的纺织瓮染色操作废水的方法,以生产适于在瓮染色操作中直接再利用的浓缩物,以节省使用 染料和水,如下。 滤出预定粒径的未溶解杂质。 此后,将废水浓缩并过滤至约30/1至200/1的浓缩物,同时除去多余的水和大部分剩余的杂质,并保留基本上所有的还原染料和所需量 的水。 后一步优选通过使废水循环通过反渗透过滤装置进行,同时将废水分离成含有过剩水的渗透物,其中大部分剩余杂质包括盐和含有基本上所有的还原染料的浓缩物, 所需量的水,并且通过除去渗透物并保留用于染色操作的浓缩物。
    • 36. 发明授权
    • Process for dyeing highly moisture absorbent cellulose containing
textile materials
    • 染色高吸湿性纤维素的纺织材料的方法
    • US4134724A
    • 1979-01-16
    • US850458
    • 1977-11-10
    • Dewey T. ThompsonJohn H. ParkinsJames B. Nichols
    • Dewey T. ThompsonJohn H. ParkinsJames B. Nichols
    • D06B19/00D06P1/22D06P3/66D06P3/82D06P7/00D06P3/60
    • D06P1/22D06B19/0005D06P3/66D06P3/8266D06P7/005Y10S8/929Y10S8/933
    • An improved process of dyeing highly moisture absorbent cellulose containing textile materials having a ratio of filling to warp of between 77 to 23 and 50 to 50 in which such textile materials are woven from yarn having a range of twist multiplier of from about 2.25 to about 5.00 is provided in which water is applied to a first surface of the textile material to effectively moisten such surface. a liquid dye admixture is applied to a second surface, the second surface being opposite the first surface, in an amount sufficient to cover the second surface. The resulting textile material is then maintained in a holding zone for a period of time effective to allow the dyestuff constituent present in the liquid dye admixture to migrate through the textile material. Once the desired dyestuff migration has occurred, the dyed textile material is heated to a temperature of from about 300.degree. F to about 400.degree. F to fix the dyestuff and dry the dyed textile material. When desired, the dyed highly moisture absorbent cellulose containing textile materials can be cut into towels of predetermined sizes and over-edged to prevent fraying of the edges of the resulting towels.
    • 一种改进的高吸水性纤维素含量织物的染色方法,其具有77至23和50至50的填充度与翘曲之比,其中这种纺织材料由具有约2.25至约5.00的捻度乘数范围的纱线编织 其中水被施加到纺织材料的第一表面以有效地润湿这种表面。 液体染料混合物施加到第二表面,第二表面与第一表面相对,其量足以覆盖第二表面。 然后将得到的纺织材料保持在保持区中一段有效的时间,使得存在于液体染料混合物中的染料组分迁移通过纺织材料。 一旦发生了所需的染料迁移,将染色的纺织材料加热至约300°F至约400°F的温度以固定染料并干燥染色的纺织品材料。 当需要时,染色的高吸湿性纤维素含纺织材料可以被切割成预定尺寸和过度的毛巾,以防止所得毛巾的边缘磨损。