US 12,441,821 B2
(Meth)acrylate and use thereof
Naoyuki Kakinuma, Ichihara (JP)
Assigned to MITSUI CHEMICALS, INC., Tokyo (JP)
Appl. No. 16/759,791
Filed by MITSUI CHEMICALS, INC., Tokyo (JP)
PCT Filed Nov. 27, 2018, PCT No. PCT/JP2018/043467
§ 371(c)(1), (2) Date Apr. 28, 2020,
PCT Pub. No. WO2019/107323, PCT Pub. Date Jun. 6, 2019.
Claims priority of application No. 2017-227837 (JP), filed on Nov. 28, 2017; and application No. 2017-227839 (JP), filed on Nov. 28, 2017.
Prior Publication US 2021/0179745 A1, Jun. 17, 2021
Int. Cl. C08F 20/38 (2006.01); A61K 6/893 (2020.01); C08F 22/24 (2006.01); C08F 120/38 (2006.01); C08F 220/38 (2006.01); C08G 18/67 (2006.01); C08L 75/16 (2006.01); C08F 28/02 (2006.01); C08F 122/24 (2006.01); C08F 222/24 (2006.01); C08L 33/14 (2006.01); C08L 75/14 (2006.01)
CPC C08F 20/38 (2013.01) [A61K 6/893 (2020.01); C08F 22/24 (2013.01); C08G 18/677 (2013.01); C08L 75/16 (2013.01); C08F 28/02 (2013.01); C08F 120/38 (2013.01); C08F 122/24 (2013.01); C08F 220/387 (2020.02); C08F 222/245 (2020.02); C08L 33/14 (2013.01); C08L 75/14 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A (meth)acrylate (D) which is a reaction product of:
a thiol compound (A) having three or four mercapto groups;
an iso (thio) cyanate compound (B) having two or more iso (thio) cyanato groups; and
a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups,
wherein the (meth)acrylate (D) is represented by the following general formula (1):

OG Complex Work Unit Chemistry
wherein
R1 is a residue excluding all mercapto groups from a thiol compound (A1) having three or four mercapto groups;
R1 is a group represented by the following formula (2), (3), (4-1), (4-2), or (4-3);

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry
R2 is a group represented by the following formula (5), (6), (7), or (8):

OG Complex Work Unit Chemistry
R3 is a residue excluding one (meth)acryloyloxy group and one hydroxy group from the hydroxy (meth)acrylate compound (C);
R4 represents a hydrogen atom or a methyl group;
X represents an oxygen atom or a sulfur atom;
n represents a number of all the mercapto groups contained in the thiol compound (A1); and
a plurality of R2, R3, R4, and X may each be the same as or different from each other.