Adhesive composition

Patent metadata

Field	Value
Publication number	US-11834390-B2
Application number	US-201917280931-A
Country	US
Kind code	B2
Filing date	Oct 2, 2019
Priority date	Oct 5, 2018
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

An adhesive composition having excellent adhesive properties and adhesiveness to a variety of plastics such as polypropylene, polyethylene, or a cycloolefin resin. The adhesive composition includes a polymer having a repeating unit derived from a polymerizable compound of the following formula (I):in which X1 and X2 each independently represent a C7 to C20 alkyl group or a C7 to C20 alkoxy group; n represents 0 or 1; Z1 and Z2 each independently represent a single bond or a C1 to C3 alkylene group; R each independently represents an organic group or a halogeno group; m1 and m2 each independently represent any integer of 0 to 4; and Y represents a polymerizable functional group.

First claim

The invention claimed is:

1. An adhesive composition, comprising a polymer having a repeating unit derived from a polymerizable compound of formula (I):

wherein:
X 1 and X 2 each independently represent a C7 to C20 alkyl group or a C7 to C20 alkoxy group;
n represents 0 or 1;
Z 1 and Z 2 each independently represent a single bond or a C1 to C3 alkylene group;
R each independently represents an organic group or a halogeno group;
m1 and m2 each independently represent any integer of 0 to 4; and
Y represents a polymerizable functional group.

2. The adhesive composition according to claim 1 , wherein in formula (I), Y is an acryloyl group or a methacryloyl group.

3. The adhesive composition according to claim 1 , wherein the polymerizable compound of formula (I) is a compound of formula (II):

wherein:
X 1 represents a C7 to C20 alkyl group or a C7 to C20 alkoxy group;
X 3 represents a C7 to C20 alkyl group, a C7 to C20 alkoxy group, a hydrogen atom, an organic group, or a halogeno group;
Z 1 and Z 2 each independently represent a single bond or a C1 to C3 alkylene group;
R each independently represents an organic group or a halogeno group;
m1 and m2 each independently represent any integer of 0 to 4; and
Y represents a polymerizable functional group.

4. The adhesive composition according to claim 1 , wherein the C7 to C20 alkyl group and the C7 to C20 alkoxy group are branched.

5. The adhesive composition according to claim 1 , wherein the adhesive composition is an adhesive composition for a plastic substrate.

6. The adhesive composition according to claim 5 , wherein the plastic substrate is a polyolefin substrate.

7. The adhesive composition according to claim 5 , wherein the plastic substrate is a polypropylene substrate or a polyethylene substrate.

8. The adhesive composition according to claim 5 , wherein the adhesive composition is a coating agent.

9. The adhesive composition according to claim 8 , wherein the coating agent is a primer.

10. The adhesive composition according to claim 5 , wherein the adhesive composition is an adhesive.

11. A molded body obtained by coating the adhesive composition according to claim 1 to a plastic substrate and curing the coated adhesive composition.

12. A compound of formula (II):

wherein:
X 1 and X 3 each independently represent a C7 to C20 alkyl group or a C7 to C20 alkoxy group;
Z 1 and Z 2 each independently represent a single bond or a C1 to C3 alkylene group;
R each independently represents an organic group or a halogeno group;
m1 and m2 each independently represent any integer of 0 to 4; and
Y represents a polymerizable functional group.

13. A polymer having a repeating unit derived from a polymerizable compound of formula (II):

wherein:
X 1 and X 3 each independently represent a C7 to C20 alkyl group or a C7 to C20 alkoxy group; n represents 0 or 1;
Z 1 and Z 2 each independently represent a single bond or a C1 to C3 alkylene group;
R each independently represents an organic group or a halogeno group;
m1 and m2 each independently represent any integer of 0 to 4; and
Y represents a polymerizable functional group.

Assignees

• Nippon Soda Co

Inventors

• Yamate Taiki

Classifications

• C07C233/09 Primary

  with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton · CPC title

• C09D5/002 Primary

  Priming paints (C09D5/08 takes precedence) · CPC title

• C09D133/26

  Homopolymers or copolymers of acrylamide or methacrylamide · CPC title

• C09J133/26 Primary

  Homopolymers or copolymers of acrylamide or methacrylamide · CPC title

• C08F20/56

  Acrylamide; Methacrylamide · CPC title