PL8085B1 - The bleaching method uses oxygen. - Google Patents

The bleaching method uses oxygen. Download PDF

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Publication number
PL8085B1
PL8085B1 PL8085A PL808527A PL8085B1 PL 8085 B1 PL8085 B1 PL 8085B1 PL 8085 A PL8085 A PL 8085A PL 808527 A PL808527 A PL 808527A PL 8085 B1 PL8085 B1 PL 8085B1
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PL
Poland
Prior art keywords
bleaching
hydrogen peroxide
method uses
bleaching method
uses oxygen
Prior art date
Application number
PL8085A
Other languages
Polish (pl)
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Publication date
Application filed filed Critical
Publication of PL8085B1 publication Critical patent/PL8085B1/en

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Description

Dotychczas uzywano czynnego tlenu do bielenia glównie w postaci roztworów nad¬ tlenków wodorowych. Wyjatek stano¬ wia mydla i oleje, które bieli sie zapomo ca nadsiarczanu lub nadtlenku benzoylowe¬ go. Bielenie zapomoca nadboranu jest praktycznie jednoznaczne z. bieleniem za- pooioca nadtlenku wiodoru, bo zwiazki te wydzielaja po rozpuszczeniu nadtlenek wodoru.Zauwazono, ze rozmaite produkty moz¬ na bielic zapomoca mieszanin nadtlenku wodloru, jak nip. nadsiarczany lub nadrtle- nek benizoylowy. Poczatkowo przypuszcza¬ no, ze mieszaniny beda sie wzajemnie roz¬ kladaly w czasie bielenia, tymczasem tak nie jest, a nawet skutecznosc bielenia jest wieksza niz prczy oddzielnem uzyciu wy¬ mienionych skladników. W celu oslabienia lub powiekszania skutecznosci bielenia moz¬ na dodawac jesizicze do roztworów biela- cydh domieszki obojetne, np. alkohol. Ka¬ piel bielaca moize byc przy uzyciu tych jmie- iszanin alkaliczna, obojetna lub kwasna, za¬ leznie od potrzeby.Jezeli sie uzywa nadsoli w roztworach kwasnych, to skutecznosc bielenia jest ta¬ ka sama jak z dodatkiem nadtlenku wodo¬ ru, bo w tym wypadku wolny kwas powo¬ duje wydzielanie sie nadtlenku wodoru.Skutecznosc bielenia takich mieszanin jest tak wielka, ze bielenie jest ukonczone w przeciagu kilku godzin, bez ogrzewania.Przyklad. Pewne Barwniki, zawarte we wlosach luib w pióradh, nie daja sie wcale usunac zaponroca nadtlenku wodoru lub tylko czesciowo. Jezeli sie zasitosowuje w tych wypadkach silniejsza kapiel lub dluz- sizy okres bielenia, to bielony przedmiot ulega czesciowemu zniszczeniu. Jezeli na¬ tomiast uzyje sie jakio kapieli bielacej imie- sizamimy zawierajacej np. 100 g 30% -go nadtlenku, wodoru, 1000 g wody, 20 — 30 g 90%-wego alkoholu, 30 g nadsiarczanu amonowego, to pióra i wlosy mozna wybie¬ lic w przeciagu kilku godlzin bez ognzewa- nia i be;z szkody dla bielonych przedmio¬ tów. W wielu wypadkach mozna przyspie¬ szyc proces bielenia przezi naswietlanie bielonych przedmiotów w czasie bielenia, przyc^em bielenie moze sie odbywac w ka¬ pieli, lub takze na powietnzu przez nasyce¬ nie bielonych przedmiotów wymienionymi roiztwiorami. PL PLUntil now, active oxygen has been used for bleaching mainly in the form of hydrogen peroxide solutions. Exceptions are soaps and oils, which whiten without persulfate or benzoyl peroxide. Bleaching with perborate is practically synonymous with bleaching the lead peroxide substrate, because these compounds emit hydrogen peroxide upon dissolution. It has been found that various products can be bleached with mixtures of hydrogen peroxide, such as nip. persulfate or benizoyl peroxide. It was initially assumed that the mixtures would decompose each other during bleaching, but this is not the case, and even the bleaching efficiency is greater than if the listed ingredients are used separately. In order to weaken or increase the effectiveness of the bleaching, it is possible to add inert additives to the bleach solutions, eg alcohol. The bleaching bath can be alkaline, inert or acidic with these mixtures, as needed. If you use supernatants in acidic solutions, the bleaching efficiency is the same as with the addition of hydrogen peroxide, because in in this case, the free acid causes the evolution of hydrogen peroxide. The bleaching efficiency of such mixtures is so great that the bleaching is completed within a few hours without heating. Certain Dyes, in the hair or feathers, cannot be completely or partially removed by the fire of hydrogen peroxide. If a stronger bath or a longer bleaching period are used in these cases, the bleached object is partially damaged. If, on the other hand, some kind of whitening bath is used, containing, for example, 100 g of 30% peroxide, hydrogen, 1000 g of water, 20 - 30 g of 90% alcohol, 30 g of ammonium persulfate, the feathers and hair can be selected For several hours without fire and no damage to bleached items. In many cases, the bleaching process can be accelerated by illuminating the bleached objects during bleaching, while bleaching can take place in the bath or also in the air by saturating the bleached objects with the above-mentioned rivers. PL PL

Claims (3)

1. Zastrzezenia patentowe. 1. Sposób bielenia zapomoca tlenu, zniamienny tern, ze uzywa sie [kapieli biela¬ cych zawierajacych nadtlenek wodoru i nadzwiazki, które w zetknieciu z woda nie wydzielaja ^nadtlenku wodoru.1. Patent claims. 1. The method of bleaching with the use of oxygen, a substitute method that uses bleaching baths containing hydrogen peroxide and additives which, when in contact with water, do not emit hydrogen peroxide. 2. Wykonanie sposobu wedlug izastrz. 1, znamienne tern, ze do mieszanin wymie¬ nionych w izastrz, 1 dodaje sie alkohol lub podioihne ciecze obojetne,2. Implementation of the method according to andastrz. 1, characterized in that alcohol or inert inert liquids are added to the mixtures mentioned in isastrz, 1, 3. Wykonanie sposobu wedlug zastr;^. 1, znamienne item, ze !w czajsie bielenia sito- suje sie naswietlanie. Gustav Adolph, A1 b e r t P i e t z s c h, Zastepca: Dr. inz. M. Kryzan, rzecznik patentowy. Druk L. Boguslawskiego, Warszawa. PL PL3. Implementation of the method according to the provisions; ^. 1, characterized by the item that irradiation is screened in the bleaching time. Gustav Adolph, A1 b e r t P i e t z s c h, Deputy: Dr. inz. M. Kryzan, patent attorney. Printed by L. Boguslawski, Warsaw. PL PL
PL8085A 1927-03-29 The bleaching method uses oxygen. PL8085B1 (en)

Publications (1)

Publication Number Publication Date
PL8085B1 true PL8085B1 (en) 1927-12-31

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