Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1976-03-24
1979-02-06
Briggs, Sr., Wilbert J.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
20415923, 526273, 526320, C08F 254, C08F22014
Patent
active
041383001
ABSTRACT:
This invention provides a process for producing a transparent shaped polymeric product which is free from defects such as strain and bubbles and has improved chemical and physical properties. The product is produced from a methyl methacrylate- or methyl acrylate-based monomer mixture by cast polymerization for a significantly shortened time.
REFERENCES:
patent: 3754054 (1973-08-01), Kimura et al.
patent: 3770491 (1973-11-01), Spoor et al.
patent: 3817946 (1974-06-01), Ree
patent: 3822089 (1974-07-01), Wichterle
patent: 3983083 (1976-09-01), Kaetsu et al.
patent: 3988274 (1976-10-01), Masuhara et al.
patent: 3988305 (1976-10-01), Stol et al.
patent: 4010088 (1977-03-01), Okubo et al.
Kaetsu Isao
Okubo Hiroshi
Yoshii Fumio
Briggs Sr. Wilbert J.
Japan Atomic Energy Research Institute
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