ADHESIVE TAPE PREVENTING ADHESION BY AQUATIC ORGANISMS

• US 20140377552A1
• Filed: 12/05/2012
• Published: 12/25/2014
• Est. Priority Date: 12/21/2011
• Status: Abandoned Application

• Current Assignee: Nitto Denko Corporation
• Original Assignee: Nitto Denko Corporation
• Inventors: Kurata, Naoki, Naito, Tomonari, Sueyoshi, Taiki, Hara, Kazutaka, Suzuki, Satoshi
• Application Number:
  US14/367,070
• Publication Number:
  US 20140377552A1
• Time in Patent Office: Days
• US Class Current: 428/354
• CPC Class Codes: B08B 17/02 Preventing deposition of fouling or of dust
• CPC Class Codes: B63B 59/04 Preventing hull fouling anti-fouling paints C09D5/16
• CPC Class Codes: C08K 5/0058 Biocides; macromolecular substances as carriers for biocide material A01N25/10
• CPC Class Codes: C08K 5/01 Hydrocarbons C08K5/0091 takes precedence
• CPC Class Codes: C08K 5/5403 containing no other elements than carbon or hydrogen
• CPC Class Codes: C08L 83/00 Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
• CPC Class Codes: C09D 183/04 Polysiloxanes
• CPC Class Codes: C09D 5/1625 organic
• CPC Class Codes: C09D 5/1637 Macromolecular compounds
• CPC Class Codes: C09D 5/1675 Polyorganosiloxane-containing compositions
• CPC Class Codes: C09J 2203/00 Applications of adhesives in processes or use of adhesives in the form of films or foils
• CPC Class Codes: C09J 2301/162 the carrier being a laminate constituted by plastic layers only
• CPC Class Codes: C09J 2301/302 the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
• CPC Class Codes: C09J 2301/41 additives as essential feature of the carrier layer
• CPC Class Codes: C09J 2433/00 Presence of (meth)acrylic polymer
• CPC Class Codes: C09J 2433/006 in the substrate
• CPC Class Codes: C09J 2483/006 in the substrate
• CPC Class Codes: C09J 7/29 Laminated material metallised plastics C09J7/22
• CPC Class Codes: Y10T 428/2848 Three or more layers

Abstract

A pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism including an antifouling layer, a base material layer, and a pressure-sensitive adhesive layer in the stated order, in which the antifouling layer includes a silicone resin. The pressure-sensitive adhesive tape can express good adhesion even in water; has good mechanical characteristics; facilitates its peeling operation; can maintain an antifouling effect over a long time period; has a small load on a human body or an environment; has a light weight; can maintain stable quality; and can effectively prevent the adhesion of an aquatic organism.

Claims

1. A pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism, comprising an antifouling layer, a base material layer, and a pressure-sensitive adhesive layer in the stated order, wherein the antifouling layer comprises a silicone resin.

2. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the antifouling layer comprises an antifouling agent.

3. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 2, wherein a content of the antifouling agent with respect to the silicone resin is 2 wt % or more.

4. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 2, wherein the antifouling agent comprises at least one kind selected from a silicone oil, a liquid paraffin, and a surfactant.

6. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer has an elongation of 100% or more and a rupture point stress of 10 MPa or more.

7. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the pressure-sensitive adhesive layer has a 180°

peeling adhesive strength at 23°

C. and a tension speed of 300 mm/min of 30 N/20 mm or less.

8. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein when the pressure-sensitive adhesive layer is brought into contact with seawater, a compressive modulus of elasticity of a portion in the pressure-sensitive adhesive layer brought into contact with the seawater is 1.1 times or more as large as a compressive modulus of elasticity in the pressure-sensitive adhesive layer before the contact with the seawater.

9. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer has a modulus of elasticity at 23°

C. of from 0.1 MPa to 100 MPa and an elongation recovery ratio at 23°

C. of 70% or more.

10. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer comprises an elastomer resin.

11. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer has a rupture elongation of from 100% to 2,000%.

12. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer has a rupture stress of 10 MPa or more.

13. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 1, wherein the base material layer comprises a silane coupling agent.

14. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 13, wherein a content of the silane coupling agent in the base material layer is from 0.01 wt % to 10 wt %.

5. A pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism, comprising an antifouling layer, a base material layer, and a pressure-sensitive adhesive layer in the stated order, wherein an adhesion strength between the antifouling layer and the aquatic organism is 0.10 N/mm² or less.

15. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer has an elongation of 100% or more and a rupture point stress of 10 MPa or more.

16. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the pressure-sensitive adhesive layer has a 180°

peeling adhesive strength at 23°

C. and a tension speed of 300 mm/min of 30 N/20 mm or less.

17. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein when the pressure-sensitive adhesive layer is brought into contact with seawater, a compressive modulus of elasticity of a portion in the pressure-sensitive adhesive layer brought into contact with the seawater is 1.1 times or more as large as a compressive modulus of elasticity in the pressure-sensitive adhesive layer before the contact with the seawater.

18. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer has a modulus of elasticity at 23°

C. of from 0.1 MPa to 100 MPa and an elongation recovery ratio at 23°

C. of 70% or more.

19. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer comprises an elastomer resin.

20. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer has a rupture elongation of from 100% to 2,000%.

21. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer has a rupture stress of 10 MPa or more.

22. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 5, wherein the base material layer comprises a silane coupling agent.

23. The pressure-sensitive adhesive tape for preventing adhesion of an aquatic organism according to claim 22, wherein a content of the silane coupling agent in the base material layer is from 0.01 wt % to 10 wt %.