Acrylate monomer preparation using alkali metal alkoxides as ester
申请人:Ciba Specialty Chemicals Corporation
公开号:US06008404A1
公开(公告)日:1999-12-28
The present invention relates to a process to prepare alkyl (meth)acrylate esters from corresponding alkyl/methacrylate esters using an alkali metal alkoxide as an ester interchange catalyst to produce an alkyl (meth)acrylate ester monomer product C ##STR1## The present invention further relates to the use of bromide and iodide salts as free radical polymerization inhibitors. The present invention further relates to the use of a noninterfering alcohol or polyol that prevents anionic polymerization reactions of reactant ester B and/or alkyl (meth)acrylate product C. The present invention further relates to a process for inhibiting polymerization of (meth)acrylates being synthesized in a transesterification or ester-ester interchange reaction system.
Provided is an ink containing a compound represented by general formula (1) below where R1 represents a hydrogen atom or a methyl group, n represents an integer of 2 or greater, a plurality of R1 may be the same as or different from each other, X represents a hydrocarbon group having 2 to 10 carbon atoms, Y represents a tertiary hydroxyl group, or a group having an ester structure, and m represents an integer of 1 or greater.
Antimicrobial compounds are provided that are polymerizable. The compounds include monomers with antimicrobial properties. The compounds have cross-linking properties. The compounds may be utilized in dental and/or medical applications, including dental composites, dentures, bonding agents, sealants, resins and medical devices.