Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1982-09-27
1985-10-29
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524 99, 526204, 5263297, C08F12014, C08L 3312
Patent
active
045501360
ABSTRACT:
A method for making a methyl methacrylate polymer having high resistance to ultraviolet radiation and thermal damage by polymerizing methyl methacrylate or a monomer mixture predominantly comprising methyl methacrylate in the presence of a highly sterically hindered amine such as 2,2,6,6-tetramethyl piperidine.
REFERENCES:
patent: 3759881 (1973-09-01), Holder
Rohm GmbH
Wong, Jr. Harry
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