• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A process for bleaching textiles which comprises treating stained textiles in an aqueous bath containing at least one water-soluble aluminium phthalocyanine, under irradiation with light and in the presence of oxygen, while either irradiating the bleaching bath direct or subsequently irradiating the moist textiles outside the bath, as well as water-soluble aluminium phthalocyanines containing detergent compositions are described.
    公开号:SU818494A3
    申请号:SU782596899
    申请日:1978-03-24
    公开日:1981-03-30
    发明作者:Райнерт Герхард；Хельцле Герд；Пюген Андре
    申请人:Циба-Гейги Аг (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to textile-finishing production, and. namely, the methods of bleaching textile materials, for example, in the washing process.
    A known method of bleaching textile materials is that they are treated with an aqueous solution of a sensitizer, a sulfonated phthalocyanine cnna, and simultaneously irradiated with visible and infrared light in the presence of oxygen IJ
    However, zinc phthalocyanine derivatives in solution have a low stability to light, as a result of which bleaching by a known method requires a significant consumption of the photosensitizer.
    The purpose of the invention is to reduce the consumption of the photosensitizer.
    This goal is achieved due to the fact that a water soluble derivative of phthalocyanine aluminum is used as a photosensitizer and the textile material is irradiated during treatment with a solution of a photosensitizer or a pre-processing textile material.
    Solubility of phthalocyanines of aluminum in water is required
    It can be achieved by choosing various substitutes that give solubility and water solubility. Water soluble derivative of phthalocyanine alimnni is sufficient in the case when it is nepexojO T 8 solution. In an amount equal to about 100% photodynamically catalyzed oxidation {for example, mime and solubility is equal to 0.01 g / l). In most cases, it is advisable that the solubility be in the range of 0.1–20 g / l.
    five
    The number of substituents in a molecule is determined by the required desired solubility of co-acid in water. When there are several groups in a molecule that give a compound solubility in water, these groups may be the same or different.
    Along with 1t uppg1mi, in addition to water solubility, proposed
    C aluminum phthalocyaniums can also additionally contain other substituents, for example, such reactive residues common in dye chemistry, such as chloropnrazine, chloropyrimidine and, above all,
    0 chlorotriazine residueTreatment of textile materials by a photosensitizer of osutstvatslt gats with a pH lying in a neutral or alkaline region. Phthalocyanines soluble in water use CJ3 in an amount of 0.01-100, in particular 0.1-50 mg / l of treating agent, and the amount used can vary greatly depending on the substituents found in phthalocyanine. The method is carried out in the form of a combined washing and bleaching, in which case the water bath may also contain an organic mommy agent and additives thereto, for example, a protective suspendicular agent, in particular sodium carboxymethylcellulose and an optical bleach. Therefore, the photosensitizer may either be already added to the appropriate detergent, or subsequently added to the detergent bath. The proposed method can also be carried out in the form of pure bleaching without the addition of detergent. In this case, it is necessary for the treatment bath to contain an electrolyte, for example, sodium chloride, sodium sulfate, or sodium tripolyphosphate, in order to ensure that water soluble phthalocyanine aluminum is selected. The amount of electrolyte may be approximately 5-20 g / l. The proposed bleaching method is expediently carried out at 20 and, preferably, 20-85 ° C, while the processing time ranges from 15 minutes to 5 hours, preferably 15- 60 min For the proposed bleaching method, the presence of oxygen is necessary, and its quantity is sufficient for this, dissolved in water or in air. Irradiation can be carried out by an artificial light source, which gives light in the visible and / or infrared region (for example, by sewing, an infrared lamp), and the bleaching or washing bath can be irradiated directly by the light source located inside the tank, in which the solution ( for example, a lamp in a washing machine), or a light source located outside the tank. But irradiation in an equal manner can also be carried out after removing the textile material from the bath handler. In this case, however, the textile material must be still wet.
    BOjH or it is necessary then again to distract. Sunlight can also be a light source, and the textile material, after being treated in a cleaning or bleaching bath, must be exposed to sunlight in a wet state. Example 1. 1g of contaminated tea with heavy cotton fabric and irradiated with a 200 W mass lamp are treated for 200 hours with stirring, 200 ml of an aqueous sputum containing 0.75 ppm of sulfonic acid and 1 g of the following composition, %: Sodium salt of dodecylbenzene sulfonic acid 16 Sodium tripolyphosphate 43 Sodium silicate 4 Magnesium silicate 2 Sulfonates of fatty alcohols, p da4 Sodium salt. cyrboxymethylcellulose 1 Sodium salt of ethylenediaminetetraacetic acid O, S Sulfate sodium 29, .5 Immediately thereafter, the degree of bleaching of the Elrefo-0O Ceissometer (standardized achromatic radiation source of the type O 65, 2 degree, normal observer, measuring diaphragm body of 35 and 300, 300 diaphragm, 35). luminance, expressed as a percentage, relative to absolute whiteness. The values obtained are presented in Table. 1. Table 1 Degree of Textile whitening material (luminance value),% Cotton fabric, contaminated with tea 51.4 Fabric bleached with A1 C1 (PC) / 50zN 77.9 PC means Ltalocyanine ring system. Luxram incandescent lamp, 220/230 V, 220W, E 27, mat. Lama is located approximately 0 cm above the washing bath. Measuring 1 on the property of 19,000 lux. Example 2: 1g of heavy cotton samples stained with Aormu m dye and cotton samples irradiated with an infrared lamp for about 1/2 hour while stirring 200 ml of AQUATIC bath, ii of which contains 2 g of sodium chloride, 0.06 g of sodium hydroxide, and 1 mp aluminum phthalocyanine disulfonic acid .. After processing, tissue samples are brushed and dried. The amount of the brown dye and the phthalocyanine compound used, determined by each individual case of the tissue samples, is determined colorimetrically. The results are shown in Table. 2. Table 2 0.139 Unbleached Bleached Aid (PC) (0.021 0/003 Bleached Zo (PC) (SO, H) 2 0.02 Destroyed From the table it can be seen that tC) (PC) () as a result of irradiation destruction FGM is smaller than Zn (PC) (Philips infrared lamp (a), 220/230 V, 250 W with reflector, type 13E72.E / 06 is used. The lamp is placed close to 2 | But 10 cm above the Wanm. Measured light ( Vinity is 05000 lux.Example 3. 10 g of cotton samples, baptized by the described example 2 with brown dye, are introduced into 200 ml of water in which 0.75 mg of aluminum phthalocyanine disulfonic acid and 0.2 g of tripoly Aospate are dissolved The bath is heated to 75 ° C with constant stirring and maintained at this temperature for 90 minutes, 4 g of Glauber's salt is added in ten minutes in equal amounts in portions. After that, the tissue samples are rinsed briefly with cold water and then dried at in an air circulating oven. All the operations described are carried out with the complete exclusion of light. For the sake of comparison, the same tissue samples were prepared for treatment, with 1.2 mg of zinc (sulfonic acid sulfate acid) being moistened with tissue samples, and then buffered with a solution of pH 10 (0.03 mol / l of cardar), and then buffered with a solution with a pH of 10 (0.03 mol / l dehydroma). mol / l sodium hydroxide) and under a pendant projector (portable projector model 0.88 / 88 UM EM) with a lamp of type 78-8454 / 3480 company Nbi General Electric, 240 V, 480 W), irradiation at room temperature, and samples the tissues are under the glass surface at a distance of 30 seconds under the lamp (measured illuminance 46,000 lux). For the purpose of control, the tissue samples stained in brown are also irradiated using this method, in which case the samples are not treated with phthalocyanine. To determine the amount of brown dye that is destroyed by irradiation, and the amount of phthalocyanine compound remaining on the fabric, samples are compared colorimetrically: 4 compared with the reference. In tab. 3 shows the values obtained.
    Using the method described in example 3 with the same good result, cotton fabric-, enriched tea can be bleached.
    Example 4. Samples of cotton fabric dyed with brown dye described in example 2 are treated in a washing bath containing 2.5 g / l of soda, 2.6 g / detergent of the composition indicated in example 1, and phthalocyanines soluble in water , and
    The treatment is carried out at 60 minutes (bath module 1: 200) with stirring and irradiation with a conventional 200 W incandescent lamp, which is removed approximately 10 cm from the surface of the washing bath. After processing, the fabric is rinsed, dried and the brightness value is determined in the same manner as in Example 1.
    In tab. 4 shows the results obtained.
    ITABLE4
    AICI {PC) - {SO, H) 2 y (. "
    Al Cl (PC)
    (S02NHCH2CH20H), 5
    Al SPRS) - () 4
    Al Cl (PC) -S02HHCH2CMj, eHj, "(CHj) j
    Al Cl (PC) - (SO, H) 4
    Al Cl (PC) - () j
    Al Cl (PC) - (50zN) 4
    Investigated tissue, treated without (biosensitizer (okrask in brown)
    PC stands for phthalocyanine ring system. ft p and mep 5. Similarly to Example 4, the bleaching effect of solvent-soluble phthalo1 p1anine aluminum in water is investigated by answering the general
    F -N / CHj /,
    CH® CH,
    -W-mhj
    sn
    Table 5
    0
    C1
    e
    C1 formula A1 C1 (PC) - | cNg-kD, where PC formula A1 C1 PCJ-LCHj-RnJv where PC denotes the system of phthalocyanine ring. The values of R and. Are given in table. five
    eleven
    R
    -s-c
     mn
    ®, .N {CH,) 2 -S with
    (CHj) 2
    ®A- -NQN
    Given a table. 5 compounds show a very good whitening effect.
    Thus, the proposed water-soluble, especially sulfonated, aluminum complexes of phthalocyanines give a good photodynamic effect.
    In addition, in comparison with the corresponding sulfonated zinc phthalocyanine, the water-soluble aluminum complexes of phthalocyanines offer a higher stability of K1 light in solution, as well as a better resistance to the effect of light on the fabric, due to which a significantly lower amount of photosensitizer can be used to achieve this level of bleaching . Depending on the substituents, a high absorption rate from the applied weave can be achieved. From an ecological point of view, the use of complexes alknhini more
    Cl
    0
    Cl
    €
    ct
    preferably, than the use of zinc complexes. .
    权利要求:
    Claims (1)
    [1]
    1. U.S. Patent No. 3,937,767, Cl. 8-103, published. 1076 (prototype).
    类似技术:
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    同族专利:
    公开号 | 公开日
    AU3445378A|1979-09-27|
    CH630127A5|1982-05-28|
    RO84975A|1984-08-17|
    AR217682A1|1980-04-15|
    DE2812278A1|1978-09-28|
    PT67804A|1978-04-01|
    ZA781709B|1979-03-28|
    IN148118B|1980-10-25|
    GB1589652A|1981-05-20|
    MX149606A|1983-12-01|
    TR19904A|1980-04-28|
    US4166718A|1979-09-04|
    PH14523A|1981-08-26|
    IL54341D0|1978-06-15|
    CS207592B2|1981-08-31|
    HK49984A|1984-06-22|
    BE865292A|1978-09-25|
    ES468124A1|1979-01-16|
    SG18984G|1985-01-04|
    DD135630A5|1979-05-16|
    RO84975B|1984-09-30|
    BR7801807A|1978-12-19|
    FR2384882B1|1980-06-13|
    JPS6214669B2|1987-04-03|
    EG13176A|1980-12-31|
    CA1110947A|1981-10-20|
    NL7803093A|1978-09-27|
    KE3387A|1984-05-25|
    DOP1984004248A|1989-10-05|
    AU515088B2|1981-03-12|
    JPS53119381A|1978-10-18|
    FR2384882A1|1978-10-20|
    MX174092B|1994-04-21|
    NZ186780A|1980-11-14|
    GR71702B|1983-06-21|
    YU69578A|1983-01-21|
    引用文献:
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    GB1372035A|1971-05-12|1974-10-30|Procter & Gamble Ltd|Bleaching process|
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    EP0003149A3|1978-01-11|1979-08-22|THE PROCTER & GAMBLE COMPANY|Composition containing a photoactivator for improved washing and bleaching of fabrics|
    GR66580B|1978-01-11|1981-03-27|Procter & Gamble|
    CA1104451A|1978-02-28|1981-07-07|Manuel Juan De Luque|Detergent bleach composition and process|
    IN153407B|1979-09-28|1984-07-14|Ciba Geigy Ag|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH381077A|CH630127A5|1977-03-25|1977-03-25|METHOD FOR BLEACHING TEXTILES.|
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