Radiation-curable acrylates with built-in photoinitiators

Details Radiation-curable acrylates with built-in photoinitiators Radiation-curable acrylates with built-in photoinitiators

1996-07-03

1998-04-21

Richter, Johann

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 97, 522100, 522108, 522905, 526314, 558270, 558268, C08G 0000, C07C 6996, C08F 1824

Patent

active

057418292

ABSTRACT:
Radiation-curable (meth)acrylates obtainable by reacting compounds of the formula ##STR1## in which R is C.sub.1 -C.sub.4 -alkyl, aryl or R.sup.1 and R.sup.1 is ##STR2## in which R.sup.2 to R.sup.6 independently of one another are H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, OH, phenyl, SH, SCH.sub.3, SC.sub.2 H.sub.5, F, Cl, Br, CN, COOH, COO--(C.sub.1 -C.sub.17 -alkyl), COO--(C.sub.5 -C.sub.10 -aryl), CF.sub.3, N(alkyl).sub.2, N(alkyl)(aryl), N(aryl).sub.2, N.sup..sym. (alkyl).sub.3 A.sup..crclbar., N.sup..sym. H(alkyl).sub.2 A.sup..crclbar., A.sup..crclbar. is the anion of an acid, and alkyl or aryl, unless indicated otherwise, is C.sub.1 -C.sub.10 -alkyl or C.sub.5 -C.sub.10 -aryl, respectively, and at least one but not more than 3 of R.sup.2 to R.sup.6 are ##STR3## with hydroxy(meth)acrylates containing at least 1 free hydroxyl group and at least 2 (meth)acrylic groups in the molecule.

REFERENCES:
patent: 5248805 (1993-09-01), Boettcher et al.

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