The population analysis confirms that irgacure 907 prefers to undergo hemolytic photochemical cleavage to generate two free radical intermediates. Irgacure 369 2benzyl2 dimethylamino 1 4morpholinyl phenyl 1butanone. The cured film of polymeric 910 has the similar hardness as that of irgacure 369 formulation table 4. Free radical photoinitiator type i free radical photoinitiator type ii photoinitiators specialities photo acid generator. Irgacure 270 a technological breakthrough in cationic. Irgacure 379 is sensitive to visible light and any exposure to sunlight. Methods and material for containment and cleaning up for small amounts. Extracts from freshly prepared sr610 and aged sr610 containing irgacure 369 may be considered cytotoxic. To suspend until january 1, 2000, the duty on irgacure 369. Irgacure 369, cas number 1193121 of reprotox cat 1b has been decided after. 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. Photoinitiators for uvcuring key products selection guide ciba specialty chemicals. The radiationcurable technology is used in various applications and industry branches such as printing and packaging. 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.
Photoinitiator 369 cas 1193121 is a high efficiency uv photoinitiator with large photosensibility range and high uv absorbency. 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. Identification of unknown photoinitiators in offset uv. Do not discharge into drainssurface watersgroundwater.
Photoinitiator 369 cas 1193121 can be combined with appropriate coinitiator such as 184 or 651, 907, itx. Photoinitiators tend to make up around 510% of the formulation, but the cost represents a much higher proportion of the formulation. Vpci 369 d is available in 5 gallon 19 liter pails, 55 gallon 208 liter drums, totes, and bulk. In a recent presentation 1, acylphosphine oxides were presented as. 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. Irgacure 754 irgacure 651 irgacure 369 irgacure 261 irgacure 184. Import data and price of irgacure under hs code 38159000. 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. Page 3 of 3 safety and handling irgacure 379 should be handled in accordance with good industrial practice. Further eprspin trapping studies of the photoinitiating. The photoinitiator type is chosen for the absorption to be maximized to match the output of the uv source being used. New porn videos, page 370 free porn videos xvideos. Photoinitiation systems and thermal decomposition of. Irgacure 369 by igm resins is 2benzyl2dimethylamino14morpholinophenylbutanone1 based photoinitiator.
Irgacure 369 is a highly efficient uv curing agent which is used to initiate the photopolymerisation of chemically prepolymers e. 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. Mar 01, 2011 the ic 50 values for extract concentration are 63%, 83%, and 100 % for formulations containing 3%, 2%, and 1% or 0. Sicura nutriplast 2 with a new formula and omnirad369free.
Jul, 2019 omnirad 907 former irgacure 907 by igm resins is 2methyl14methylthiophenyl2morpholinopropan1one. Import data and price of irgacure under hs code 38159000 zauba. It is used for the photopolymerization of free radicals. If you use uv metallic printing inks, we have got some good news for you. Detailed information is provided in the safety data sheet.
Home synonyms products irgacure pag 103 1 results found for keyword irgacure pag 103. 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. 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. Omnirad 369 former irgacure 369 by igm resins is a type i photoinitiator made of 2benzyl2dimethylamino4morpholinobutyrophenone. 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. Unipak uv offset inks are suitable for printing on board, paper, metals cans as well as for inmould applications.
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. Cas irgacure 369 2benzyl2dimethylamino144morpholinyl supp data. Photoinitiators for uvcuring key products selection guide 2003 ciba specialty chemicals. Irgacure 369 chemical information, properties, structures, articles, patents and more chemical data. Free radical photoinitiator type i free radical photoinitiator type ii photoinitiators specialities photo acid generator polymeric photoinitiators application. If difficulties occur after dust has been inhaled, remove to fresh air and seek medical attention. Designed for reactive and radiation curing adhesives. Bishop, in vacuum deposition onto webs, films and foils second edition, 2011. The effect of photoinitiator on the contrast curve of. Omnirad369 is an efficient photoinitiator widely used to. Irgacure 270 is a new highmolecularweight sulfonium salt which fulfills the high standards that uvcurable inks for food packaging are required to meet. Eckart has decided to stay one step ahead of the game and is proud to present this latest development in light of the regulatory pressure currently surrounding this substance. Vpci369 d is available in 5 gallon 19 liter pails, 55 gallon 208 liter drums, totes, and bulk. Us9321853b2 us394,700 us2010394700a us9321853b2 us 9321853 b2 us9321853 b2 us 9321853b2 us 2010394700 a us2010394700 a us 2010394700a us 9321853 b2 us9321853 b2 us 9321853b2 authority us united states prior art keywords uv coating thioxanthone ink wt prior art date 20090908 legal status the legal status is an assumption and is not a legal conclusion.
Because of the benzoyl group the absorption spectra of these initiators is shifted towards the 300322 nm see figure 3. The computed spin density difference showed that the unpaired electrons are located on the carbonyl carbon atom and the c. 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. Omnirad 907 former irgacure 907 by igm resins is 2methyl14methylthiophenyl2morpholinopropan1one. Compound irgacure omnirad 907 irgacure omnirad 369 irgacure omnirad 379 structure spectrum 0. Firstaid measures description of first aid measures general advice. Irgacure 369 2benzyl2 dimethylamino 1 4morpholinyl phenyl 1butanone inchi. Jul, 2019 omnirad 369 former irgacure 369 by igm resins is a type i photoinitiator made of 2benzyl2dimethylamino4morpholinobutyrophenone.
A normalized uvvisible absorption spectra of irgacure series photoinitiators in meoh. Irgacure 2022 by igm resins is a photoinitiator with wellbalanced surface and through cure. View detailed import data, price, monthly trends, major importing countries, major ports of irgacure under hs code 38159000. Acts as a versatile liquid photoinitiator for radical polymerization of unsaturated resins after uv light exposure. D is brought to you for free and open access by the science at. Theoretical study on photochemistry of irgacure 907. 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. It is a highly efficient uv curing agent used to initiate the photo polymerization of chemically unsaturated prepolymers like acrylates. Speedcure tpol and bisacylphosphine oxides such as irgacure 819 bapo have been commercially available for a number of years. Photoinitiators are substances that form free radicals when they are exposed to uv light, and these radicals initiate polymerization reactions. Irgacure 1800 by basf is a blend of bis2,6dimethoxybenzoyl2,4,4trimethyl pentylphosphineoxide and of 1hydroxycyclohexylphenylketone. This is probably because that polymeric 910 has substantially the same initiation reactivity as that of irgacure 369, and thus the slight variation of formulation resulted from different amounts of polymeric 910 and irgacure 369 can be ignored. Figure 2 generic structure of the polynorbornene copolymers. A photoinitiator composition comprising a combination of aminoalkyl phenone, thioxanthone and multifunctional amino benzoate synergist for use in printing inks and coatings that are curable using uv radiation, particularly from led lamps.
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