Photopolymerization method with symmetric azo alkanes

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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Details

260192, 526218, C08F 250, C07C10702

Patent

active

042797195

ABSTRACT:
What is disclosed is the polymerization of free radically-polymerizable compounds such as acryl compounds and methacryl compounds under the influence of light having a wave length from 200 nm to 500 nm in the presence of a symmetric azo compound comprising tertiary aliphatic hydrocarbon groups each having a molecular weight of 71 to 97 bound to the azo group, whereby the polymerization temperature can be maintained under 100.degree. C. by regulation of the light intensity.

REFERENCES:
patent: 4048423 (1977-09-01), MacLeay et al.

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