Title:
ポリ（メタ）アクリレート並びにそれを含むコーティング組成物および被覆物品
Document Type and Number:
Japanese Patent JP6915405
Kind Code:
B2
Abstract:
A poly(meth)acrylate represented by formula (1) can provide a hardcoat layer having exceptional scratch resistance, strong impact resistance, and excellent weather resistance, especially weather crack resistance.(R1-R4represent hydrogen atoms, etc.; Y represents a divalent hydrocarbon group having a polycyclic structure; X represents a divalent or 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 or 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:
Koichi Higuchi
Application Number:
JP2017127284A
Publication Date:
August 04, 2021
Filing Date:
June 29, 2017
Export Citation:
Assignee:
Shin-Etsu Chemical Co., Ltd.
International Classes:
C08F30/08; B32B21/08; B32B27/16; B32B27/20; B32B27/30; C07F7/08; C08F290/06; C09D4/02; C09D7/40; C09D133/04
Domestic Patent References:
| JP2008506698A | ||||
| JP2003327626A | ||||
| JP2004323741A | ||||
| JP2017511399A | ||||
| JP2008179693A |
Foreign References:
| WO2015152289A1 | ||||
| KR1020150146106A |
Attorney, Agent or Firm:
Hideaki International Patent Office