Reaktion #50169

Reaktionsgleichung

hydroquinone

trimethylolpropane triacrylate

2-acryloxyethyl phthalate

→

2,2-dimethyloxy-2-phenyl acetophenone

Lösungsmittel

dimethyl phthalate

Reaktionsbedingungen

Vorschrift

Isotactic polymethyl methacrylate (1.0 g), syndiotactic polymethyl methacrylate (3.0 g) and hydroquinone (0.03 g) were dissolved in a mixture of dimethyl phthalate (6.81 g), trimethylolpropane triacrylate (1.59 g) and HOA-MPL 2-acryloxyethyl phthalate (14.30 g), a product from Kyoeisha Oil and Fats K. K.) and heated to 120° C. After a clear sol was obtained 2,2-dimethyloxy-2-phenyl acetophenone (0.33 g) was added to the sol. The sol thus obtained was cast onto a 50 μm-thick polyester sheet and cooled at -5° C. for one hour to give a photocurable self-retainable gelled sheet having a thickness of 5 mm.

Quelle