CS199358B1 - Method of preparation of light-sensitive copying layer for photomechanical negative press plates - Google Patents
Method of preparation of light-sensitive copying layer for photomechanical negative press plates Download PDFInfo
- Publication number
- CS199358B1 CS199358B1 CS356676A CS356676A CS199358B1 CS 199358 B1 CS199358 B1 CS 199358B1 CS 356676 A CS356676 A CS 356676A CS 356676 A CS356676 A CS 356676A CS 199358 B1 CS199358 B1 CS 199358B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- light
- photomechanical
- preparation
- sensitive copying
- press plates
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 5
- 238000002360 preparation method Methods 0.000 title description 3
- 229920001577 copolymer Polymers 0.000 claims description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 125000006267 biphenyl group Chemical group 0.000 claims 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- GNQWHYWLSGTMSL-OUKQBFOZSA-N [(e)-3-phenylbut-1-enyl]benzene Chemical compound C=1C=CC=CC=1C(C)\C=C\C1=CC=CC=C1 GNQWHYWLSGTMSL-OUKQBFOZSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- HZVVYGOMBYKZGF-UHFFFAOYSA-N 3-phenylbut-2-enylbenzene Chemical group C=1C=CC=CC=1C(C)=CCC1=CC=CC=C1 HZVVYGOMBYKZGF-UHFFFAOYSA-N 0.000 description 1
- PDINXYLAVFUHSA-UHFFFAOYSA-N 4-phenylbutan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)CCC1=CC=CC=C1 PDINXYLAVFUHSA-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- -1 azides Chemical class 0.000 description 1
- 150000001540 azides Chemical class 0.000 description 1
- 229950005499 carbon tetrachloride Drugs 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 1
- 229960002415 trichloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
Vynález sa týká sposobu pripravy svetlocitlivej kopírovacej vrstvy pre fotomechanické negativna tlačové došky.The present invention relates to a process for preparing a photosensitive copy layer for photomechanical negative printing plates.
Tvorba kopírovaného obrazu je založená na presietení lineárnych makromolekúl prírodnóho, alebo syntetického kaučuka biradikálnych oxidačných produktov butónu - 1, buténu - 2 a hutánu.The creation of the copied image is based on the screening of linear macromolecules of natural or synthetic rubber of biradical oxidation products of buton-1, butene-2 and hutane.
V súčasnom období sa na výrobu kopírovacích vrstiev používajú zložité polymerné kompozície. Optický záznam je sprostredkovaný zosietením reóazových molekúl polymetov na osvetelených miestách fotoreaktívnym sieíovacím činidlom. Hustota vznikajúcej siete závisí od množstva absorbovaných světelných kvánt. Ako sieíovacis činidlá sa používajú zložité organické zlúčeniny ako azidy, diazidy a spiropyrány.At present, complex polymer compositions are used to produce the copy layers. Optical recording is mediated by the crosslinking of the rheosyte polymer molecules at illuminated sites with a photoreactive crosslinking agent. The density of the resulting network depends on the amount of light quantum absorbed. Complex organic compounds such as azides, diazides and spiropyrans are used as crosslinking agents.
Závažným nedostatkom doteraz používaných postupov je zložitosí využívaných kompozici!, ich náročná příprava z hladiska konkrótnej tehcnológie a vysoká cena.A serious drawback of the methods used so far is the complexity of the compositions used, their demanding preparation in terms of specific technology and the high cost.
Tieto nedostatky v podstatnej miere odstraňuje sposob přípravy svetlocitlivej kopírovacej vrstvy pre fotomechanické negativné tlačovó došky podlá vynálezu, ktorého podstata spočívá v tom, že sa svetlooitlivá vrstva připraví z polybutadienu, polychloropénu a kopolymérov butadienu posobením difenylderlvatov butánu a buténu v množstve 1 až 10 % hmotnostných.These drawbacks are substantially eliminated by the process of preparing the light-sensitive copying layer for the photomechanical negative printing plates of the present invention, which is characterized in that the light-sensitive layer is prepared from polybutadiene, polychloropene and butadiene copolymers by impregnating diphenylderlates of butane and butene in amounts of 1 to 10%.
199 358199 358
199 3S8199 3S8
Připravený svetlocitlivý roztok ee nanesie na upravený povrch budúcej tlačovej platné a vrstva sa nechá vyschnúť. Do vrstvy sa kpíruje žiadaný obraz OT žiarením. Vykopírovaný obraz aa vyvolá vhodnou vývojkou·The prepared photosensitive solution is applied to the treated surface of a future printing plate and allowed to dry. The desired image by OT radiation is copied to the layer. The copied image aa throws in a suitable developer ·
Přiklad 1Example 1
2%oý roztok chloroprénového kaučuku v tetraohlórmetáne a 1,3 - difenyl - 1 - butén v množstve 2,5 % vzhíadom na-hmotnosťpolyméru sa dokladné zhomogenizujú a uchovávajú bez přístupu světla· Svetlocitlivý roztok sa nanesie na hliníkový eloxovaný povrch štandarndnej tlačovej platné v horizontálněj odstředivko pri 5θ otáčkách za minutu. Navrstvená deska sa vysuší při teplote miestnosti ta 1/2 hodiny. Vykopírovanie obrazu sa provedlo prosvietenlm vybraného negativu intenzívnym zdrojom (4000 W) zo vzdialenosti 90 cm. Expozičná době je 2 minúty. Osvetelná vrstva sa tepelne spracuje vyhrievanlm v termostate vytemperovanom na teplotu 110 °0 po dobu 10 minút. Vykopírovaný obraz sa vyvolává vývojkou, ktorej podstatná časť tvoria chloroform a triohloretylén.A 2% solution of chloroprene rubber in tetra-chloromethane and 1,3-diphenyl-1-butene in an amount of 2.5% by weight based on the weight of the polymer is uniformly homogenized and stored in the absence of light. centrifuge at 5θ rpm. The layered plate is dried at room temperature for 1/2 hour. The image was copied by illuminating the selected negative with an intense source (4000 W) from a distance of 90 cm. The exposure time is 2 minutes. The luminous layer was heat treated by heating in a thermostate heated to 110 ° C for 10 minutes. The copied image is developed by a developer whose major part is chloroform and tri-chloroethylene.
Příklad 2Example 2
Polymérna zložka svetlocitlivóho roztoku je rovnaká ako v příklade 1. Druhou zložkou je 2,4 difenyl - 2 - butén v množstve 2% hmotnostných. Vzhíadom na chloroprénový kaučuk. Podobné ako v predchádzajuoom, v tomto aj v nasledujúcich príkladoch je potřebné uchovávat svetlocltlivé roztoky v trne. Ovrstvený hliníkový podklad sa ozařuje vysokotlakovou Hg výbojkou (200 w) zo vzidalenosti 30 cm po dobu 2 minut. Vykopírovaný obraz sa spracuje rovnako ako v příklade 1·The polymer component of the photosensitive solution is the same as in Example 1. The second component is 2,4-diphenyl-2-butene in an amount of 2% by weight. With respect to chloroprene rubber. Similar to the foregoing, in this and the following examples, it is necessary to store light-sensitive solutions in the mandrel. The coated aluminum substrate is irradiated with a high pressure Hg lamp (200 watt) from a distance of 30 cm for 2 minutes. The copied image is processed as in Example 1 ·
Příklad 3Example 3
2,5%oý roztok polybutadiénu a 1,3 - difenylbutánu v množstve 3 % , vzhíadom na polymér sa zmiešajú v benzéne. Hliníkový podklad tlačovej došky sa ovrství poliatím a vysušením rozpúěťladla· Kopírovanie negativného obrazu sa prevádza zdrojom OT žiarenida (4000 W) zo vzdialenosti 90 cm po dobu 90 sekúnd. Vykopírovaný obraz sa tepelne spracuje při teplote 130 °0 po dobu 5 minút. Nezosietené polymérna zložka sa odstráni z povrchu platné rozpúáťaním v toluéne, čím sa vykopírovaný obraz vyvolá.A 2.5% solution of polybutadiene and 1,3-diphenylbutane in an amount of 3%, based on the polymer, is mixed in benzene. The aluminum thatched surface is coated by pouring and drying the solvent. • Copying of the negative image is done by an OT source of radiation (4000 W) from a distance of 90 cm for 90 seconds. The copied image is heat treated at 130 ° C for 5 minutes. The uncrosslinked polymer component is removed from the surface by dissolution in toluene to produce the copied image.
Přiklad 4Example 4
Kopolymér butadiénu so styrenom obsahujúci 25 % hmotnostných styrénu sa rozpustí v chloroforme na 3%ný roztok, ku ktorému sa přidá chloroformový roztok i,3 - difenyl - 1 buténu v množstve odpovedajúcom 5 % hmotnostných vzhíadom na kopolymér. Ovrstvenie platné sa prevedie v horizontálněj odstradivke. Vykopírovanie, tepelné spracovanie a vyvolávanie obrazu sa prevádzra postupom zhodným ako v příklade 3·The butadiene-styrene copolymer containing 25% by weight of styrene is dissolved in chloroform to a 3% solution, to which is added a chloroform solution of 1,3-diphenyl-1 butene in an amount corresponding to 5% by weight, based on the copolymer. The coating is applied in a horizontal centrifuge. Copying, heat treatment and image development are carried out in the same manner as in Example 3 ·
Výhodou navrhovaného sposobu podía vynálezu je jednoduchost přípravy svetlocitlivej kompozície, nízká cena a jednoduchá manlpulácia· K ovrstveniu možno využít už jestvujúce zariadenia polygrafických prevádzok. Navrhovaná kompozícia sa vyznačuje veíkou ostrostouThe advantage of the proposed method according to the invention is the ease of preparation of the photosensitive composition, low cost and simple handling. Existing printing plant equipment can be used for coating. The proposed composition is characterized by great sharpness
199 358 kresby, vsokou mechanickou pevnosťou získaného reliéfného obrazu a jsdnoduchosťou vyvolávacieho postupu.199 358 drawings, the high mechanical strength of the relief image obtained and the ease of the development process.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS356676A CS199358B1 (en) | 1976-05-28 | 1976-05-28 | Method of preparation of light-sensitive copying layer for photomechanical negative press plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS356676A CS199358B1 (en) | 1976-05-28 | 1976-05-28 | Method of preparation of light-sensitive copying layer for photomechanical negative press plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS199358B1 true CS199358B1 (en) | 1980-07-31 |
Family
ID=5376117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS356676A CS199358B1 (en) | 1976-05-28 | 1976-05-28 | Method of preparation of light-sensitive copying layer for photomechanical negative press plates |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS199358B1 (en) |
-
1976
- 1976-05-28 CS CS356676A patent/CS199358B1/en unknown
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