Photoinitiators
First Claim
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1. A photoinitiator having the formula, ##STR72## where M is selected from P, As and Sb, X is a Group VIa element selected from sulfur and selenium, R is a monovalent organic aromatic radical having from 6-20 carbon atoms Z is a member selected from the class consisting of --S--, ##STR73## O, Se, ##STR74## --CH2 -- and --C2 H4 --, and R4 is selected from C.sub.(1-8) alkyl and C.sub.(6-13) aryl.
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Abstract
Onium salts of Group VIa elements having an MF6 -anion, where M is selected from P, As and Sb, have been found to be photo active under ultraviolet light. These onium salts can be employed as cationic photoinitiators when used with a variety of organic resins and cyclic organic compounds.
103 Citations
11 Claims
- 1. A photoinitiator having the formula, ##STR72## where M is selected from P, As and Sb, X is a Group VIa element selected from sulfur and selenium, R is a monovalent organic aromatic radical having from 6-20 carbon atoms Z is a member selected from the class consisting of --S--, ##STR73## O, Se, ##STR74## --CH2 -- and --C2 H4 --, and R4 is selected from C.sub.(1-8) alkyl and C.sub.(6-13) aryl.
- 4. Photoinitiators having the formula,
- space="preserve" listing-type="equation">[R.sub.3 X].sup.+ [MF.sub.6 ].sup.-,
where R is selected from aromatic hydrocarbon radicals having from 6-20 carbon atoms and substituted aromatic hydrocarbon radicals having from 6-20 carbon atoms, X is a Group VIa element selected from sulfur, and selenium, and M is selected from P, As and Sb. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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Current AssigneeGeneral Electric Company
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Original AssigneeGeneral Electric Company
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InventorsCrivello, James V.
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Primary Examiner(s)Randolph, John D.
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Application NumberUS05/833,146Time in Patent Office671 DaysField of Search260/239 R, 260/327 B, 260/327 P, 260/327 TH, 260/327 R, 260/328, 260/333, 260/440, 260/446, 260/607 B, 260/607 R, 260/441, 544/1, 544/38US Class Current549/3CPC Class CodesC07F 9/68 without As—C bondsC07F 9/902 Compounds without antimony-...C08F 236/16 containing halogenC08G 59/68 characterised by the cataly...C08G 65/105 Onium compounds
