Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1988-06-30
1993-03-02
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
558268, 558270, 558260, 549 79, C07C 6996
Patent
active
051911248
ABSTRACT:
Sulfonium salts of the general formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are aliphatic and/or aromatic radicals which may contain heteroatoms, or two of the radicals R.sup.1 and R.sup.3 are bonded to one another to form a ring, with the proviso that one or more of the radicals R.sup.1 to R.sup.3 contain one or more acid-cleavable groups, or one of the radicals R.sup.1 to R.sup.3 is bonded to one or more further sulfonium salt radicals, if desired via acid-cleavable groups, and X.sup..crclbar. is a non-nucleophilic counter-ion, are suitable as photoinitiators for cationic polymerization.
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Boettcher Andreas
Schwalm Reinhold
BASF - Aktiengesellschaft
Keil Herbert B.
Shaver Paul F.
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