Process for producing a casting plate of polymethyl methacrylate

Details Process for producing a casting plate of polymethyl methacrylate Process for producing a casting plate of polymethyl methacrylate

1977-11-30

1980-07-22

Henderson, C. A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

525242, 525296, 525309, 525310, 526209, 526210, 526214, 526220, 526222, 526225, 526303, 526307, 526317, 5263231, 526327, 5263297, C08F 244, C08F 202, C08F 2018

Patent

active

042140641

ABSTRACT:
In a process for producing a casting plate of polymethyl methacrylate by continuously subjecting a methyl methacrylate monomer or a syrup containing soluble polymeric resins in the methyl methacrylate monomer to casting polymerization, an improvement which comprises adding a sulfur-containing compound represented by the formula:

REFERENCES:
patent: 2227517 (1941-01-01), Starkweather
patent: 2234204 (1941-03-01), Starkweather
patent: 2385739 (1945-09-01), Starkweather
patent: 2396997 (1946-03-01), Fryling
patent: 3772258 (1973-11-01), Lachowicz

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