BE644902A - - Google Patents

Info

Publication number
BE644902A
BE644902A BE644902DA BE644902A BE 644902 A BE644902 A BE 644902A BE 644902D A BE644902D A BE 644902DA BE 644902 A BE644902 A BE 644902A
Authority
BE
Belgium
Prior art keywords
emi
fluorescent
diamine
papers
hydrazine
Prior art date
Application number
Other languages
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DK477062A external-priority patent/DK104089C/en
Application filed filed Critical
Publication of BE644902A publication Critical patent/BE644902A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/72Hydrazones
    • C07C251/88Hydrazones having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B55/00Azomethine dyes
    • C09B55/005Disazomethine dyes
    • C09B55/007Disazomethine dyes containing only carbocyclic rings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/22Luminous paints
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30Luminescent or fluorescent substances, e.g. for optical bleaching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Description

  

   <EMI ID=1.1>  <EMI ID=2.1>   <EMI ID=3.1> 

  
de ces procédés se trouve limitée par le prix élevé des agent*  fluorescents du commerce et elle est, en outre, handicapée par/ cet inconvénient que l'on ne peut obtenir & la manière indiquée

  
 <EMI ID=4.1> 

  
à l'état solide, liquide ou dispersé* 

  
Le résultat à obtenir avec le procède de l'inventiez et

  
 <EMI ID=5.1>   <EMI ID=6.1> 

  
ment plus intense que les produit$ du marché fabriqués par les procédés connus.

  
 <EMI ID=7.1> 

  
convient en particulier, pour l'obtention des résultats les meilleurs dans chaque cas particulier, do respecter certaines

  
 <EMI ID=8.1>  . de travailler pour bien faire en milieu aussi étendu que possible On arrive en engendrant le composé cherché dans une proportion <EMI ID=9.1> 

  
 <EMI ID=10.1> 

  
cas, la concentration du composé fluorescent baissant, compté@

  
par rapport' au milieu total, n'est que d'environ 0,02%.

  
Il convient, en outre, d'une manière tout à tait générales pour l'obtention des résultats les meilleurs et tout

  
 <EMI ID=11.1>  papiers et cela pour bien faire une température modérément

  
 <EMI ID=12.1> 

  
pour une turbulence particulièrement forte des températures de

  
 <EMI ID=13.1> 

  
élévations de température$ pour des intensité$ de brassage "on**

  
tantes, se révèlent toujours avantageuses" 

  
 <EMI ID=14.1> 

  
fibre, sont pratiquement entièrement transformée au bout d'envier)

  
 <EMI ID=15.1> 

  
achever la réaction en 1 heure, 

  
 <EMI ID=16.1> 

  
 <EMI ID=17.1> 

  
maintenir en coure de réaction. C'est ainsi que l'on peut, par exemple, obtenir des résultats satisfaisante avec un bon brassage

  
 <EMI ID=18.1> 

  
intensif,

  
Ces interactions sont encore influencée* par la nature

  
 <EMI ID=19.1>   <EMI ID=20.1> 

  
fluorescente des papiers., peuvent prendre naissance quand la

  
 <EMI ID=21.1> 

  
par cristallisation et ne sont plus Alors en mesure de Poursuivre , la réaction,

  
 <EMI ID=22.1> 

  
fluorescents, trouve une illustration dans les microphotographie*

  
 <EMI ID=23.1>   <EMI ID=24.1> 

  
pâte du commerce, 

  
La photo 

  
représente une préparation fibreuse pour papier, priât de la  même façon, préparation pour laquelle on a engendré dans la pâte

  
 <EMI ID=25.1> 

  
 <EMI ID=26.1> 

  
De l'examen compare de ces deux photos, il résulte que la granulométrie des particules fluorescentes de la photo 2 est nettement plus petite que celle de la photo 1. Il y a lieu égale" ment d'observer que l'azine fluorescente de la photo 2 aient par" tiellement déposée en dispersion très fine sur les fibres. A la mise en feuille, la torte proportion d'azine existant dans la pâte entre les fibres est retenue par les libres déchiquetée! au broyage et noyée dans le papier.

  
La simple comparaison visuelle des deux photos permet

  
 <EMI ID=27.1> 

  
forme de pâte du commerce. 

  
Les examens microscopiques portant sur la forme cristal-

  
 <EMI ID=28.1> 

  
 <EMI ID=29.1> 

  
aiguilles, alors que par exemple les particules préexistantes

  
 <EMI ID=30.1>   <EMI ID=31.1> 

  
 <EMI ID=32.1> 

  
fluorescence jaune d'une intensité particulièrement élevée. 

  
 <EMI ID=33.1>  <EMI ID=34.1> 

  
'possible d'obtenir des fluorescences d'autres nuances en utilisant

  
 <EMI ID=35.1>  Pour la mise en oeuvre pratique du procédé de l'invention

  
 <EMI ID=36.1> 

  
troduotion des deux composants, d'ajouter d'abord le composant  aldéhyde, ce composant étant prie soit a l'état liquide (par

  
 <EMI ID=37.1> 

  
 <EMI ID=38.1> 

  
 <EMI ID=39.1> 

  
 <EMI ID=40.1> 

  
diamine.

  
Quand le composant aldéhyde est uniformément dispersé  par l'agitation, on ajoute le composant hydrazine eu diamine, pour bien faire progressivement, par petites portion% ou de façon continue, de préférence de manière qu'au bout d'environ la moitié

  
 <EMI ID=41.1> 

  
introduite. Le composé hydrazine ou diamine peut lui-même être

  
 <EMI ID=42.1> 

  
 <EMI ID=43.1> 

  
 <EMI ID=44.1> 

  
être plus particulièrement Indiquées, entre l'état physique des produite chimiques utilisée et les modalités de leur addition.

  
 <EMI ID=45.1> 

  
 <EMI ID=46.1>   <EMI ID=47.1> 

  
 <EMI ID=48.1> 

  
procédé extrêmement économique de l'invention, peuvent trouver 

  
 <EMI ID=49.1> 

  
peinent" mécaniques de commande influençable par les radiations  optiques de fluorescence, etc... 

  
Pour apprécier les résultats obtenue par le nouveau 

  
 <EMI ID=50.1>   <EMI ID=51.1> 

  
 <EMI ID=52.1> 

  
 <EMI ID=53.1> 

  
 <EMI ID=54.1> 

  
 <EMI ID=55.1> 

  
Sur le graphique 1, on a reporte les variations de l'intensité de fluorescence de papiers en feuilles d'un poids

  
 <EMI ID=56.1> 

  
 <EMI ID=57.1> 

  
l'intensité de fluorescence. Pour la plupart des usages il pour-' 

  
 <EMI ID=58.1> 

  
 <EMI ID=59.1> 

  
 <EMI ID=60.1> 

  
Sur les papiers obtenus selon les exemples ci -après, 

  
on a déterminé dans chaque cas, pour l'appréciation des résultats"

  
 <EMI ID=61.1> 

  
est comparée avec l'intensité de fluorescence, prise contas base,

  
 <EMI ID=62.1> 

  
 <EMI ID=63.1> 

  
 <EMI ID=64.1>  

  
 <EMI ID=65.1> 

  
 <EMI ID=66.1> 

  
citer dans son grandes lignes la mine en oeuvre du procédé de l'invention, sans que les possibilités qui ont été décrites

  
pour l'application de ce procédé puissent s'en trouver restreint**

  
 <EMI ID=67.1> 

  
 <EMI ID=68.1> 

  
Dans la suspension constituée par uni pâte à papier 

  
 <EMI ID=69.1>   <EMI ID=70.1> 

  
 <EMI ID=71.1> 

  
quart d'heures on a fait couler goutte à goutte en continua en 

  
 <EMI ID=72.1> 

  
d'hydrazine en solution dans l'eau. Après agitation d'une durée totale de deux heures la transformation était terminée. Le 

  
 <EMI ID=73.1> 

  
commerce. 

  
 <EMI ID=74.1> 

Exemple 2.

  
 <EMI ID=75.1> 

  
 <EMI ID=76.1> 

  
minute, 

  
Le papier ainsi fabriqua a donné, dans les deux cas,

  
 <EMI ID=77.1> 

  
 <EMI ID=78.1>   <EMI ID=79.1>  

  
 <EMI ID=80.1> 

  
produit en pâte du commerce la très remarquable élévation de l'intensité de fluorescence de 49%8 

  
 <EMI ID=81.1> 

  
 <EMI ID=82.1> 



   <EMI ID = 1.1> <EMI ID = 2.1> <EMI ID = 3.1>

  
of these methods is limited by the high price of commercial fluorescent agents and is further hampered by this inconvenience which cannot be obtained in the manner indicated.

  
 <EMI ID = 4.1>

  
in solid, liquid or dispersed state *

  
The result to be obtained with the process of inventing it and

  
 <EMI ID = 5.1> <EMI ID = 6.1>

  
ment more intense than the products on the market produced by known methods.

  
 <EMI ID = 7.1>

  
in particular, in order to obtain the best results in each particular case, certain

  
 <EMI ID = 8.1>. to work to do well in a medium as large as possible We arrive by generating the desired compound in a proportion <EMI ID = 9.1>

  
 <EMI ID = 10.1>

  
case, the concentration of the falling fluorescent compound, counted @

  
based on the total medium, is only about 0.02%.

  
It should, moreover, in a completely general manner for obtaining the best results and all

  
 <EMI ID = 11.1> papers and this to do a moderate temperature

  
 <EMI ID = 12.1>

  
for particularly strong turbulence at temperatures of

  
 <EMI ID = 13.1>

  
temperature increases $ for stirring intensity $ "on **

  
aunts, always prove advantageous "

  
 <EMI ID = 14.1>

  
fiber, are almost completely transformed at the end of envy)

  
 <EMI ID = 15.1>

  
complete the reaction within 1 hour,

  
 <EMI ID = 16.1>

  
 <EMI ID = 17.1>

  
keep reacting. This is how one can, for example, obtain satisfactory results with good mixing

  
 <EMI ID = 18.1>

  
intensive,

  
These interactions are still influenced * by nature

  
 <EMI ID = 19.1> <EMI ID = 20.1>

  
fluorescent papers., can arise when the

  
 <EMI ID = 21.1>

  
by crystallization and are no longer then able to continue the reaction,

  
 <EMI ID = 22.1>

  
fluorescent, find an illustration in the photomicrograph *

  
 <EMI ID = 23.1> <EMI ID = 24.1>

  
store-bought dough,

  
The picture

  
represents a fibrous preparation for paper, prayed in the same way, preparation for which one has generated in the pulp

  
 <EMI ID = 25.1>

  
 <EMI ID = 26.1>

  
From the comparative examination of these two photos, it follows that the granulometry of the fluorescent particles of photo 2 is clearly smaller than that of photo 1. It should also be observed that the fluorescent azine of the photo 2 have by "tiellement deposited in very fine dispersion on the fibers. When sheeting, the torte proportion of azine existing in the pulp between the fibers is retained by the shredded fibers! grinding and embedded in the paper.

  
The simple visual comparison of the two photos allows

  
 <EMI ID = 27.1>

  
store-bought dough form.

  
The microscopic examinations relating to the crystal form

  
 <EMI ID = 28.1>

  
 <EMI ID = 29.1>

  
needles, while for example the pre-existing particles

  
 <EMI ID = 30.1> <EMI ID = 31.1>

  
 <EMI ID = 32.1>

  
yellow fluorescence of particularly high intensity.

  
 <EMI ID = 33.1> <EMI ID = 34.1>

  
'' possible to obtain fluorescences of other shades using

  
 <EMI ID = 35.1> For the practical implementation of the method of the invention

  
 <EMI ID = 36.1>

  
addition of the two components, first to add the aldehyde component, this component being required either in the liquid state (for

  
 <EMI ID = 37.1>

  
 <EMI ID = 38.1>

  
 <EMI ID = 39.1>

  
 <EMI ID = 40.1>

  
diamine.

  
When the aldehyde component is uniformly dispersed by the agitation, the hydrazine component is added to the diamine, to do well gradually, in small portions% or continuously, preferably so that after about half

  
 <EMI ID = 41.1>

  
introduced. The hydrazine or diamine compound can itself be

  
 <EMI ID = 42.1>

  
 <EMI ID = 43.1>

  
 <EMI ID = 44.1>

  
be more particularly indicated, between the physical state of the chemical products used and the modalities of their addition.

  
 <EMI ID = 45.1>

  
 <EMI ID = 46.1> <EMI ID = 47.1>

  
 <EMI ID = 48.1>

  
extremely economical method of the invention, can find

  
 <EMI ID = 49.1>

  
labor "control mechanics influenced by optical fluorescence radiation, etc ...

  
To appreciate the results obtained by the new

  
 <EMI ID = 50.1> <EMI ID = 51.1>

  
 <EMI ID = 52.1>

  
 <EMI ID = 53.1>

  
 <EMI ID = 54.1>

  
 <EMI ID = 55.1>

  
In graph 1, we plotted the variations in fluorescence intensity of sheet papers weighing

  
 <EMI ID = 56.1>

  
 <EMI ID = 57.1>

  
fluorescence intensity. For most uses it for- '

  
 <EMI ID = 58.1>

  
 <EMI ID = 59.1>

  
 <EMI ID = 60.1>

  
On the papers obtained according to the examples below,

  
in each case, for the assessment of the results, "

  
 <EMI ID = 61.1>

  
is compared with the fluorescence intensity, taken contas base,

  
 <EMI ID = 62.1>

  
 <EMI ID = 63.1>

  
 <EMI ID = 64.1>

  
 <EMI ID = 65.1>

  
 <EMI ID = 66.1>

  
cite in general terms the mine of the process of the invention, without the possibilities which have been described

  
for the application of this process may be restricted **

  
 <EMI ID = 67.1>

  
 <EMI ID = 68.1>

  
In the suspension made of plain paper pulp

  
 <EMI ID = 69.1> <EMI ID = 70.1>

  
 <EMI ID = 71.1>

  
quarter of an hour we drip continuously

  
 <EMI ID = 72.1>

  
hydrazine dissolved in water. After stirring for a total of two hours, the transformation was complete. The

  
 <EMI ID = 73.1>

  
trade.

  
 <EMI ID = 74.1>

Example 2.

  
 <EMI ID = 75.1>

  
 <EMI ID = 76.1>

  
minute,

  
The paper thus produced gave, in both cases,

  
 <EMI ID = 77.1>

  
 <EMI ID = 78.1> <EMI ID = 79.1>

  
 <EMI ID = 80.1>

  
produces in commercial paste the very remarkable increase in fluorescence intensity of 49% 8

  
 <EMI ID = 81.1>

  
 <EMI ID = 82.1>

 

Claims (1)

<EMI ID=83.1> <EMI ID = 83.1> rapportés au matériau fibreux absolument secs <EMI ID=84.1> referred to absolutely dry fibrous material <EMI ID = 84.1> <EMI ID=85.1> que l'on ajoute le composant hydrazine ou diamine$ pour bien raire par petites portion% successives ou en continu, <EMI ID = 85.1> whether we add the component hydrazine or diamine $ for good success in small portions% successive or continuously,
BE644902D 1960-02-19 1964-03-09 BE644902A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEJ17718A DE1181537B (en) 1960-02-19 1960-02-19 Process for producing fluorescent postage stamp papers
NL264698 1961-05-12
FR863063A FR1301834A (en) 1960-02-19 1961-05-26 Fluorescent paper manufacturing process
CH712061A CH410614A (en) 1960-02-19 1961-06-17 Process for the production of fluorescent papers
DK477062A DK104089C (en) 1962-11-06 1962-11-06 Process for the production of fluorescent paper.

Publications (1)

Publication Number Publication Date
BE644902A true BE644902A (en) 1964-07-01

Family

ID=27509292

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644902D BE644902A (en) 1960-02-19 1964-03-09

Country Status (5)

Country Link
BE (1) BE644902A (en)
CH (1) CH410614A (en)
DE (1) DE1181537B (en)
FR (1) FR1301834A (en)
NL (1) NL264698A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585533A (en) * 1976-12-07 1981-03-04 Portals Ltd Security papers
US5267754A (en) * 1985-04-24 1993-12-07 Gao Gesellschaft Fuer Automation Und Organisation Mbh Stamp such as a postage stamp and a method for producing it
DE3514852A1 (en) * 1985-04-24 1986-10-30 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Stamps, such as postage stamps, and method for their manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449133C (en) * 1925-09-27 1927-09-05 Reichsfiskus Vertreten Durch D Process for securing banknotes and securities against forgery
DE582530C (en) * 1930-10-08 1933-08-16 Felix Schoeller & Bausch Feinp Process for the production of security paper
DE648882C (en) * 1934-02-08 1937-08-10 Felix Schoeller & Bausch Process for the production of security paper
DE660599C (en) * 1934-02-08 1938-05-31 Felix Schoeller & Bausch Process for the production of security paper

Also Published As

Publication number Publication date
DE1181537B (en) 1964-11-12
FR1301834A (en) 1962-08-24
NL264698A (en)
CH410614A (en) 1966-03-31

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