Title:
POLY(METH)ACRYLATE, AND COATING COMPOSITION AND COATED ARTICLE CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2019/003563
Kind Code:
A1
Abstract:
A poly(meth)acrylate represented by formula (1) can impart a hard coat layer having exceptional scratch resistance, strong impact resistance, and excellent weather resistance, especially weather crack resistance. (R1-R4 represent hydrogen atoms, etc.; Y represents a divalent hydrocarbon group having a polycyclic structure; X represents a divalent to trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; T represents a urethane group (bonds with X by an oxygen atom); Q represents a divalent to trivalent saturated hydrocarbon group in which at least one selected from oxygen atoms, etc., may be interposed; P represents a (meth)acryloyloxy group; a and c represent the number of Q-T bonded to X, a and c being 1 when X is divalent and 2 when X is trivalent; b and d represent the number of (meth)acryloyloxy groups bonded to Q, b and d being 1 or 2 when a or c is 1, and being 2, 3, or 4 when a is 2; and n represents an integer of 0-6.)
Inventors:
HIGUCHI KOICHI (JP)
Application Number:
PCT/JP2018/015040
Publication Date:
January 03, 2019
Filing Date:
April 10, 2018
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C08F30/08; B32B21/08; B32B27/16; B32B27/20; B32B27/30; C08L43/04; C09D4/02; C09D7/62; C09D133/04
Domestic Patent References:
| WO2015152289A1 | 2015-10-08 | |||
| WO2013114750A1 | 2013-08-08 |
Foreign References:
| JP2008506698A | 2008-03-06 | |||
| JP2003327626A | 2003-11-19 | |||
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Other References:
See also references of EP 3647330A4
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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