US1210394A

US1210394A - Process of finishing animal filaments, fibers, or threads.

Info

Publication number: US1210394A
Application number: US87659114A
Authority: US
Inventors: Hanns R Anders
Original assignee: Roessler and Hasslacher Chemical Co
Current assignee: Roessler and Hasslacher Chemical Co
Priority date: 1914-12-10
Filing date: 1914-12-10
Publication date: 1917-01-02
Anticipated expiration: 1934-01-02

Description

in order to bring it the time otherwise required; these as aconsiderable increase in its strength.

' 1-30 Drawing.

a round device for a considerable length of HANNS R. ANDEES, OF PERTH AMBOY, NEW

HASSLACEEB CHEMICAL 60., 0! NEW YORK, N. Y., A CORPORATION OF NEW YORK.

'PEQCESS OI FINISHING ANIMAL EILAMENTS, FIBERS, 0R THREADS.

Specification of Letters Patent. Patented Jami. 1911. '3. Application filed December 10, 1914,. Serial No. 878,591.

ea set.

To all whom it may concern.-

Be it known that I, HANNS R. Anonas, a subject of the Emperor of Austria-Hungary, and a resident of the city of Perth Amboy, county of Middlesex, and State of New Jersey, have invented certain new and useful Improvements in Processes of Finishing Animal Filaments, Fibers, or Threads, of which the following is a specification.

My invention relates especially. to the treatment of animal filaments, fibers or threads, such as for instance, human hair, to be used for hair goods, by formaldehyde, and the object of the invention is to substitute for the cumbersome agents commonly used an agent that shall be economical and efiective in disposing the hair to shape into lasting forms, as may be desired, and will have no injurious effect upon the same.

I have discovered that formaldehyde is such an agent and that when it is brought into contact with hair, for example, in a suitable manner, at a proper degree of both concentration and temperature and for a sufiicient length of time, it will bring the hair into a superior condition by restoring its natural luster and will render it fit to take a. desired form such as curls, waves, etc, so that it will compare favorably with hair naturally displaying the desired properties.

Hair in its natural condition is usually a more or less straight filament or thread and into a desired form, as for instance curls, it has theretofore been treated since time immemorial by certain processes, as for instance by rolling it upon glass; etc, and submerge it, at the usual temperature, in a commercial formaldehyde solution, which if required, is somewhat diluted with water. a

' The time the formaldehyde solution is allowed to act upon the hair is naturally dependent on various factors; for instance the and previous treatment with chemicals all play a part in this particular. I may say that usually an immersion for from about two to fortyminutes is suflicient to obtain the desired result. After the hair isjtakeli out of the solution it may be rinsed with water and dried in the open air, or by gentle heat, as the situation may require.

The advantages of my new process for improving hair are very considerable.

The luster of the hair is restored to its full natural brilliancy and the strength of the hair is considerably increased so that it Even if the strength of the hair has been impaired by treatment with chemicals, especially byalkalis, which arevery often applied in both bleaching and dyeing the hair, the damage done to the hair is completely repaired by the new stability conveyed to it by my process. p

In processes for improving the hair by certain means exerting only a physical action on the hair, as for instance b heating it, it is extremely difiicult to contro the same to achieve a uniform efiect for in most cases the heat can not act evenly on the hair, some arts being overheated and others show no e ect at all. It is remarkable furthermore that one can not well apply heat to bleached hair, either in the dry or wet state, in order to curl the same for instance, inasmuch as the bleached hair thereby assumes a glossy and coarse appearance.

a curl, waves, etc.

time, simultaneously resorting to the application of various auxiliary means, for'in stance heat from various sources, to shorten processes have been only partly successful.

I have now found thatl can avoid all the shortcomings of the old processes, by the ap plicationof formaldehydeto the hair, whereings are entirely avoided and furthermore y the same is given a natural luster as well I obtain this desirable result in. a considerably'shorter time than is possibleby any of the old processes. Furthermore, m new process, applies not only to human hair but also to an other animal. hair, filament, thread or etc,

For the better understandingnf my invention I shall describe by way of xample, one. wager? carrying out my new process.

this preferred method of carrying out my inventmn I wind the hair upon a round JERSEY, ASSIGNOR TO THE ROESSIIER &

will retain the preferred shape, for instance- By my new process, however, such shortcom-.

er, as for instance to wool, silk,

stick of suitable material, for instance wood,

thickness of the hair, its content of moisture v is a further advantage of only be derived the example, but I may,

it is by no means necessary still on the anima application of gaseous As already pointed out above, the hair treated accordm to my invention retains any preferred s ape given to the same, whether it is shaped into a curl or into a more or less straight form. In certain in dustrial operations a felt-like entanglement of hair or like material is undesirable and it my invention that one can often entirel .avoid or considerably reduce this feltin p enomenon b treating the hair'or the li e with formal ehyde according to my process, for then the hair will not stick together so easily.

As far as the curling of hair is concerned that the hair be loose and if desirable my process may also be easily and readily app ied to hair 1 hide.

It is of course understood that the action of formaldehyde referred to above may not from the commercial formaldehyde solution especially vmentioned in if desired, also use a solution of anhydrous formaldehyde in another suitable solvent, gaste or salve, or a polymer of formaldehy dehyde compound, splitting up into anhydrous formaldehyde when eated, either in its common form or also if preferred in combination with a suitable vehicle of whatever form.

Though probably not so conveniently, the results of m process of finishing hair will finally also e obtained, as I am convinced on the ground of experiments, by the action gaseous formaldehyde on wet hair, and the e or anyformalformaldehyde is I therefore also within the scope of my invention.

I claim:

1. The process of changing the form of animal filaments, fibers or threads, consisting in giving the same the desired form and subse uently treating it with formaldehyde.

2. he process of changing the form of animal filaments, fibers or thread, consisting in giving the same the desired form and subsequently treating it in the wet state with formaldehyde. I i

3. The process of changing the form of animal filaments, fibers or threads, consisting in giving the same the desired form and subsequently treatin it with an aqueous solution of formalde yde.

41. The process of curling human'hairinto lasting forms, consisting in giving the hair the desired form and subsequently treating it with formaldehvde.

5. The process of curling human hair into lasting forms, consisting in giving the hair the desired form and subsequentl treating it in the wet state with formal ehyde.

6. The process of curling human hair into lasting forms, consisting in giving the hair the desired form and subse uently treating it with an aqueous solution 0 formaldehyde.

In testimony whereof I have signed this specification in ing witnesses.

I HANNS R. ANDERS. Witnesses:

' ARTHUR L. Gannnna,

Orro K, Zwmonnennona.

the presence of two subscrib-'