Title:
CURABLE COMPOSITION, CURED PRODUCT, COATING AGENT, AND CONCRETE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/282048
Kind Code:
A1
Abstract:
Provided is a curable composition that yields a cured product having both excellent transparency and excellent elongation while suppressing the usage amount of (meth)acrylic acid ester monomers having a large number of carbon atoms. The curable composition according to one aspect of the present invention includes (A) a silyl-group-containing (meth)acrylic polymer, (B) a silyl-group-containing polyoxyalkylene polymer having a number-average molecular weight of 20,000 or greater, and (C) a plasticizer having an aromatic ring, wherein: the proportion of units derived from CH2=C(R1)(COOR2) (in the formula, R1 is a hydrogen atom or a methyl group, and R2 is a group having nine or more carbon atoms), among all structural units of (A), is 5 wt% or less; the curable composition contains 60 parts by weight or more of (C) per 100 total parts by weight of (A) and (B); and the haze of a cured product obtained through a curing test is 55 or less.
Inventors:
YANO AYAKO (JP)
SAKABE MASAOMI (JP)
SAKABE MASAOMI (JP)
Application Number:
PCT/JP2022/024631
Publication Date:
January 12, 2023
Filing Date:
June 21, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08L33/06; C08K5/12; C08K5/20; C08L71/02
Domestic Patent References:
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Other References:
J. AM. CHEM. SOC., vol. 117, 1995, pages 5614
MACROMOLECULES, vol. 28, 1995, pages 1721
J. AM. CHEM. SOC., vol. 128, 2006, pages 14156
JPSCHEM, vol. 45, 2007, pages 1607
KOBUNSHI RONBUNSHU: "Living Radical Polymerizations with Organic Catalysts", JAPANESE JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY, vol. 68, 2011, pages 223 - 231
KENICHI SARUWATARI ET AL.: "SANKABOUSHIZAI HANDBOOK (Antioxidant Handbook", 1976, TAISEISHA
"KOUBUNSHIZAIRYOU NO REKKA TO ANTEIKA", 1990, CMC PUBLISHING CO., LTD., article "Deterioration and Stabilization of Polymer Materials", pages: 235 - 242
MACROMOLECULES, vol. 28, 1995, pages 1721
J. AM. CHEM. SOC., vol. 128, 2006, pages 14156
JPSCHEM, vol. 45, 2007, pages 1607
KOBUNSHI RONBUNSHU: "Living Radical Polymerizations with Organic Catalysts", JAPANESE JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY, vol. 68, 2011, pages 223 - 231
KENICHI SARUWATARI ET AL.: "SANKABOUSHIZAI HANDBOOK (Antioxidant Handbook", 1976, TAISEISHA
"KOUBUNSHIZAIRYOU NO REKKA TO ANTEIKA", 1990, CMC PUBLISHING CO., LTD., article "Deterioration and Stabilization of Polymer Materials", pages: 235 - 242
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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