PRODUCTION METHOD FOR AMIDE GROUP-CONTAINING MONOMER

• Main Authors: SAKASHITA HIROTOSHI, UESUGI NORIMASA
• Format: Patent
• Language: English; Japanese
• Published: 01.12.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADHESIVES; CHEMISTRY; DYES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS

To provide methods for efficiently producing amide group-containing monomers with reduced amounts of impurities.SOLUTION: A production method for an amide group-containing monomer includes a transesterification reaction step for obtaining an amide group-containing monomer represented by the formula CH2=C(-R11)C(=O)O-Y1-NHC(=O)-R12 (in the formula, R11 is a hydrogen atom, a monovalent organic group, or a halogen atom, Y1 is a 2-4 valent hydrocarbon group having 1-6 carbon atoms, and R12 is a monovalent hydrocarbon group having 6-40 carbon atoms) from an amide group-containing alcohol represented by the formula HO-Y1-NHC(=O)-R12 (in the formula, Y1 is a 2-4 valent hydrocarbon group having 1-6 carbon atoms and R12 is a monovalent hydrocarbon group having 6-40 carbon atoms), wherein the total amount of Na, K, and Li present as impurities of the amide group-containing alcohol is equal to or less than 300 ppm.SELECTED DRAWING: None 【課題】効率的に不純物の少ないアミド基含有単量体を製造する方法を提供すること。【解決手段】下記式：ＨＯ－Ｙ１－ＮＨＣ（＝Ｏ）－Ｒ１２［式中、Ｙ１が２～４価の炭素数１～６の炭化水素基であり、Ｒ１２が一価の炭素数６～４０の炭化水素基である。］で表されるアミド基含有アルコールから下記式：ＣＨ２＝Ｃ(－Ｒ１１)Ｃ（＝Ｏ）Ｏ－Ｙ１－ＮＨＣ（＝Ｏ）－Ｒ１２［式中、Ｒ１１が水素原子、一価の有機基又はハロゲン原子であり、Ｙ１が２～４価の炭素数１～６の炭化水素基であり、Ｒ１２が一価の炭素数６～４０の炭化水素基である。］で表されるアミド基含有単量体を得る、エステル交換反応工程を含み、前記アミド基含有アルコールの不純物として存在するＮａ、Ｋ及びＬｉの合計量が３００ｐｐｍ以下である、アミド基含有単量体の製造方法。【選択図】なし