DE1772090C3 - Photosensitive layer - Google Patents

Description

Suitable binders are polyphenylene oxides,
Polystyrenes, polyvinyl butyral, polyenes and MethylUhacrylate ^ fe beW * binders

one according to the invention, drawing material by ^e ™ te; ^^ ZSS ^ S ^ TS ^ photosensitive SdUd ₁ - S Sf ^ ne ^ eratur of ^§ at least 100'C

ners, amine and the light-sensitive, lower Ultravio etthcht in _ J

Jodälkans in a volatile, organic solution development is called teUttMd kamab J

medium and by evaporation of the solvent hereto produce a large number of

be asked. The impregnation and the evaporation deduction with low l ^^ ™ * ™ ^

The solvent will of course be used in Lichiab diazo deduction processes. Finally done an exposure of the mate example

^ri i5iVe; otugt _fi ⁿ Lö _S u _ng smitte. is Ch.oroform. Ge., A paper web with W ^{heimlich 8} the Papit-r is impregnated with 0.9 to 3.17 kg per about J ^^^ ream (dry basis) of the solution. The hard solids content of the impregnating solution can be adjusted so that a suitable viscosifate is obtained. and it is usually in the range of 10 to 20 percent by weight. The amount of used

measure.gd ^middle ^ '

ηm 0,

Per

_{w free}

^ t 1 «1 kg per ream of TnUaWrhiL ^ it the impregnated in which

weight of the color former. The amount of binder ^ t usually 1 to 40 parts by weight, and the amine * 5 amount is usually 0.1 to 4 parts by weight, these amounts being based on the weight of the colorant relate.

The photosensitive layers according to the invention are translucent. This means that they are at least sufficiently transparent are, and use for the formation of an image, to be able to, obgle.ch s, e not un-

as

Copy of a Mikiofilm original vens'enden by making 40.

^^^^: ^^ SCh ₁ Ch-

, en, for example in the form of translucent plates for the production of microfilm enlargements

iS ^ SiJH ^ nahi200

150

noxya _7i7o

Chlorotorm

c t, irin imrHt- he "\ 0 ° C in the dark

The unpromised ^Schl ^ ¹ * ^u ^^> be, emem ^ _u jf

^ 20 seconds with

Au ^ crfflungsbl ^ O seconds _m ^ ^ L ^

Image received. There were

Claims (4)

Heating to a temperature of at least 100 ° C ^ We high quality enlargements of patent claims: JÄJ £?! K ™ Dh. Heating the exposed 1. Light-sensitive layer containing ehi ff ™ ** ** "^ ^ tteibt ichtempfind ^ photosensitive Jodalkan with 1 to 4C-5 ATO Liehe. ^^^ d _ma CHT characterized men these parts, as a purified Furfurylidenverbindung ^ maybe share of ^u ™ _{ird during the} color former, an aromatic amine as color loss-insensitivity ^^ orzugsw stronger and a binding agent, according to Patent 1291622, Hehiizens a we ^ he ££ g _triebeQ dadurchgeke η η ζ η et verifiable that the light from the ^^^ Sns leads to an increase sensitive layer a light transmitting binder "This Enrfdmung ^ JJ ** ^ _Sc hichtteile. In front? contains medium and in a layer support from the subüiUt of the mcMoe ·. _Volatility , translucent paper. Zugswe.se has the Amm 6 gsmaterials 2. Layer according to claim 1, characterized in that it is characterized by heating the * S _au that the color former is difurfurylidene at a temperature of wemgs g pentaerythritol. · * T besides ^we ™ en ^ _{fa the above} 3. Layer according to one of claims 1 and 2, ^as _t h fV 1 291 6 "" proposed furfurvlid, characterized in that the amine 1-chlorine- ^ n ^^ L · ^ ^ Zf wine. Preferred 2,4-phenylenediamine is. ,.,. ·, S Il Mn, S die mono- and di-furfurvüdenimine 4. Layer according to one of claims 1 to 3, ^F « ^bb ; ^ldnc X ^ fTrfu ^ ylid-acetals. ' Particularly characterized in that the iodoalkane iodo-20 and ^ϋ - ^> ^^^ Γsichten are obtained, ^f T view according to one of claims 1 to 4. we ™ ^ r F ^ dne ^ fu ^ idenp. ^ Thn: ^. characterized in that the paper is ^N , ° T ^ and preferably contains two sizes, a weight of 12.7 to 18 kg per giant table ^Α ™ ^ηε · "" ^ ° ™ ^ ί each of these groups and is actually free of particulate 25 Ρ "^ '-' ^^ '^^ _th ht, and ^ - Full substances is _zugswe ise these amino Gnippen in the meta. Stelluna on a single ring. The benzo can contain, but contain, up to two other groups 3o preferably just another group, the one Amino group is adjacent. The preferred Am.n is l-chloro - '' 4-phenylenediamine. However, if SuI- The Frfindung relates to a photosensitive fenamide or thiadiazineal, ^ »^ ^bb« «^ layer, det containing a photosensitive Jodalkan, are used Am nc tertiary having from 1 to 4 carbon atoms, a purified 35 Furfuryliden- nurse. . · ■, connectu., _B as a color former, an aromatic amine It is assumed Ί. IjA ^ J * m as a color intensifier and a binder, according to patent light-sensitive iodine alkane in Losungsmi tu osi ,, 1 901 ₆₂ 2 gene of the photographic materials under Bildunj, In German Patent Specification 1,291,622 the presence of a complex react at the Bchchicn melderin are themselves been photographic Aufzeichnungsmateri- 40 likely to be proposed to a ^ rtaren ^Α ™ '~ alien, the umlager a Furfuryliden- ,. Such a salt ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ an agent, release a primary, aromatic hydrogen, which is assumed to be a chemical amine, and a light-sensitive, lower one, that it activates the color former. H ^ ogena ^ an appropriate ^ e ^ fingich ^ nied ^ Jtodük * dispersed in a binder. Iodoform is a disadvantage of many known copier materials, haloalkane. _{lin ma} i _{PRW (kl} that with them no sharp Zoom "-.... The paper of the paper layer is no" n "ilerwciscfingen can get from microfilms example, glued, but it can also em measured ™ J ⁱⁿ * ^it gives the Production of direct enlargement paper (e.g. with up to 0.045 kg per ream of stanchions from microfilms on diazotype materials in 50 3065 m *) can be used - or silicon-long exposure times only enlargements with dioxide fillers. The paper preferably has a quality weight of 12.7 to 18 kg per ream of 3065 m. The object of the invention is to provide photosensitive paper which can be used as a starting material for the usual, for Send to indicate which sharp magnifying 55 typewriters used carbon paper, used supply genes from microfilms. can be provided with plausible results The object of the invention is based on a turn. . . . , ■ 1 light-sensitive layer, containing an iodine alkane The light-permeable binder is normal- with 1 to 4 carbon atoms, a purified furfurylidene, a film-forming polymer The binder compound as a color former, an aromatic amine 60 is colorless so that it as a color enhancer and a binder, none of the photographic recording materials according to the patent 1 291 622 and is characterized in that the color recording produced does not affect photosensitive layer a translucent binding- It has been found that some polyesters, of which contains medium and in a layer support it could be assumed that they are suitable translucent paper. 65 not working satisfactorily, probably because The invention makes a recording material by exposure to the light-sensitive rial obtained with a light-sensitive layer, the layer released hydrogen halide the ester bond attacks by dung after exposure and subsequent development.