Further eprspin trapping studies of the photoinitiating. Identification of unknown photoinitiators in offset uv. Irgacure 379 is sensitive to visible light and any exposure to sunlight. Photoinitiator 369 cas 1193121 is a high efficiency uv photoinitiator with large photosensibility range and high uv absorbency. Because of the benzoyl group the absorption spectra of these initiators is shifted towards the 300322 nm see figure 3. In a recent presentation 1, acylphosphine oxides were presented as. Free radical photoinitiator type i free radical photoinitiator type ii photoinitiators specialities photo acid generator. Photoinitiators for uvcuring key products selection guide 2003 ciba specialty chemicals. Vpci 369 d is available in 5 gallon 19 liter pails, 55 gallon 208 liter drums, totes, and bulk. Import data and price of irgacure under hs code 38159000. It is a highly efficient uv curing agent used to initiate the photo polymerization of chemically unsaturated prepolymers like acrylates.
Uv curing irgacure 184 irgacure 500 irgacure 754 darocur 1173 irgacure 2959 darocur mbf irgacure 651 irgacure 369 irgacure 907 irgacure 0 darocur tpo darocur 4265 irgacure 819 irgacure 819 dw irgacure 2022 irgacure 2100 irgacure 784. Irgacure 369 is a highly efficient uv curing agent which is used to initiate the photopolymerisation of chemically prepolymers e. Page 3 of 3 safety and handling irgacure 379 should be handled in accordance with good industrial practice. The cured film of polymeric 910 has the similar hardness as that of irgacure 369 formulation table 4. Cas irgacure 369 2benzyl2dimethylamino144morpholinyl supp data.
Irgacure 369, cas number 1193121 of reprotox cat 1b has been decided after. Photoinitiators tend to make up around 510% of the formulation, but the cost represents a much higher proportion of the formulation. A harmonized classification for the widelyused and versatile photoinitiator omnirad 369 former irgacure 369, cas number 1193121 of reprotox cat 1b has been decided after consultation by the european chemicals agency echa risk assessment committee rac. Photoinitiator 369 cas 1193121 can be combined with appropriate coinitiator such as 184 or 651, 907, itx. A normalized uvvisible absorption spectra of irgacure series photoinitiators in meoh. In line with the jablonskitype diagram, the ground state of irgacure 907 excites to a higher state, which is characterized by singlet state s 2, followed by an internal conversion ic to the first excited state s 1. Inkday in siegburg a great success the topics have been low migration inks, low energy, led systems and printing inks for plastic tubes and laminates. Irgacure 369 chemical information, properties, structures, articles, patents and more chemical data. Home synonyms products irgacure pag 103 1 results found for keyword irgacure pag 103. Omnirad 369 can be used as an uv curing agent for offset and screen inks and varnishes for applications on paper, metal and plastic materials. Compound irgacure omnirad 907 irgacure omnirad 369 irgacure omnirad 379 structure spectrum 0.
Jul, 2019 omnirad 907 former irgacure 907 by igm resins is 2methyl14methylthiophenyl2morpholinopropan1one. It is used for the photopolymerization of free radicals. Irgacure 2022 by igm resins is a photoinitiator with wellbalanced surface and through cure. We responded to the current regulatory pressure surrounding irgacure 369 and other photoinitiators with a similar chemical composition, like irgacure 379, by developing a series of entirely new uv flexographic inks without these substances. Extracts from freshly prepared sr610 and aged sr610 containing irgacure 369 may be considered cytotoxic. Omnirad 369 former irgacure 369 by igm resins is a type i photoinitiator made of 2benzyl2dimethylamino4morpholinobutyrophenone. Import data and price of irgacure under hs code 38159000 zauba.
Omnirad369 is an efficient photoinitiator widely used to. If you use uv metallic printing inks, we have got some good news for you. The photoinitiator type is chosen for the absorption to be maximized to match the output of the uv source being used. Do not discharge into drainssurface watersgroundwater. Vpci369 d is available in 5 gallon 19 liter pails, 55 gallon 208 liter drums, totes, and bulk. Irgacure 754 irgacure 651 irgacure 369 irgacure 261 irgacure 184. The radiationcurable technology is used in various applications and industry branches such as printing and packaging. Unipak uv offset inks are suitable for printing on board, paper, metals cans as well as for inmould applications. All statements, technical information and recommendations contained herein are based on tests cortec corporation believes to be reliable, but the accuracy or completeness thereof is not guaranteed. Irgacure 1800 by basf is a blend of bis2,6dimethoxybenzoyl2,4,4trimethyl pentylphosphineoxide and of 1hydroxycyclohexylphenylketone. D is brought to you for free and open access by the science at.
The population analysis confirms that irgacure 907 prefers to undergo hemolytic photochemical cleavage to generate two free radical intermediates. To suspend until january 1, 2000, the duty on irgacure 369. Used as photoinitiator which is used to initiate the photopolymerisation of chemically unsaturated prepolymers, e. Mar 01, 2011 the ic 50 values for extract concentration are 63%, 83%, and 100 % for formulations containing 3%, 2%, and 1% or 0. Irgacure 270 a technological breakthrough in cationic. View detailed import data, price, monthly trends, major importing countries, major ports of irgacure under hs code 38159000. The computed spin density difference showed that the unpaired electrons are located on the carbonyl carbon atom and the c. Firstaid measures description of first aid measures general advice. Omnirad 907 former irgacure 907 by igm resins is 2methyl14methylthiophenyl2morpholinopropan1one.
Irgacure 369 2benzyl2 dimethylamino 1 4morpholinyl phenyl 1butanone. As shown in the results, the photoinitiator grouped with oxime ester, such as irgacure oxe02, can be used to increase the contrast of negativework photoresist in the photolithography, and reduce the exposure dose needed for crosslinking reaction due to the more free radicals produced by the photoinitiator with a wider spectral absorption range. Irgacure 270 is a new highmolecularweight sulfonium salt which fulfills the high standards that uvcurable inks for food packaging are required to meet. Photoinitiation systems and thermal decomposition of. Bishop, in vacuum deposition onto webs, films and foils second edition, 2011. If difficulties occur after dust has been inhaled, remove to fresh air and seek medical attention. The effect of photoinitiator on the contrast curve of. Figure 2 generic structure of the polynorbornene copolymers.
Photoinitiators are substances that form free radicals when they are exposed to uv light, and these radicals initiate polymerization reactions. Acts as a versatile liquid photoinitiator for radical polymerization of unsaturated resins after uv light exposure. Jul, 2019 omnirad 369 former irgacure 369 by igm resins is a type i photoinitiator made of 2benzyl2dimethylamino4morpholinobutyrophenone. It is a highly efficient liquid curing agent that is used to initiate radical polymerization of unsaturated resins such as acrylates and polyesters after exposure to uv light. Free radical photoinitiator type i free radical photoinitiator type ii photoinitiators specialities photo acid generator polymeric photoinitiators application. Detailed information is provided in the safety data sheet. Speedcure tpol and bisacylphosphine oxides such as irgacure 819 bapo have been commercially available for a number of years. Theoretical study on photochemistry of irgacure 907. Page 1 of 3 general irgacure 369 is a highly efficient uv curing agent which is used to initiate the photopolymerisation of chemically prepolymers e. Washington, dc 20436 house of representatives on proposed. Additives levelling, byk 307 defoamer, foamex n photoinitiator lucirin tpol irgacure 369 irgacure 907 viscosity pa s, 23 c yield pa, 23 c reactivity mmin. Irgacure 369 2benzyl2 dimethylamino 1 4morpholinyl phenyl 1butanone inchi. Designed for reactive and radiation curing adhesives. Request pdf on sep 1, 2008, angelo alberti and others published further eprspin trapping studies of the photoinitiating activity of irgacure 369 find, read and cite all the research you need.
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