C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/397, 23/431,
C08F 2/00 (2006.01) C08F 20/12 (2006.01)
Patent
CA 1229700
ABSTRACT OF THE DISCLOSURE In a process for polymerizing an acrylate or a methacrylate monomer alone, a mixture thereof or a mixture of an acrylate or a methacrylate monomer as a main component and other copolymerizable monomers in the presence of water, an emulsifiers and a polymerization initiator soluble in water or the monomers; the improvement which comprises carrying out that the polymerization in a polymerization vessel having a film on an inner surface thereof and on surfaces of attached instruments within the vessel, said film being formed by applying a solution of an aromatic quinone-amine compound which is insoluble in water or the monomers, contains a quinone group and an amine group capable of inhibiting the radical polymerization and contains a functional group having a chelate-forming ability for adhering the compound to the surfaces, and removing the solvent by drying. According to the process, the scale deposition in the polymerization of an acrylate or a methacrylate can be prevented.
438291
Mitani Toragoro
Morikawa Hisashi
Yasui Hideo
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Osler Hoskin & Harcourt Llp
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