Sealing Material For Double-Gazing Pane Comprising Resin Composition With Excellent Gas-Barrier Property and Hot-Melt Tackiness

• US 20080249236A1
• Filed: 09/17/2004
• Published: 10/09/2008
• Est. Priority Date: 10/02/2003
• Status: Abandoned Application

• Current Assignee: Kaneka Corporation
• Original Assignee: Kaneka Corporation
• Inventors: Aoyama, Taizo, Nakashima, Tohru
• Application Number:
  US10/571,984
• Publication Number:
  US 20080249236A1
• Time in Patent Office: Days
• US Class Current: 524/577
• CPC Class Codes: B60C 2005/145 made of laminated layers
• CPC Class Codes: C03C 27/10 with the aid of adhesive specially adapted for that purpose

Abstract

A sealing material for insulating glass eliminating problem necessity of long-time aging after production is provided and a resin composition having high long-term adhesion strength, high shape retention, and high gas-barrier property and especially having excellent hot-melt adhesive property is also provided. The sealing material for insulating glass including a resin composition having hot-melt adhesive property contains an isobutylene-based diblock copolymer (A) composed of a polymer block (a) containing an aromatic vinyl compound as a constituent monomer and a polymer block (b) containing isobutylene as a constituent monomer.

Claims

1. A sealing material for insulating glass, comprising a resin composition including an isobutylene-based diblock copolymer (A) composed of a polymer block (a) containing an aromatic vinyl compound as a constituent monomer and a polymer block (b) containing isobutylene as a constituent monomer.

2. The sealing material for insulating glass according to claim 1, wherein the resin composition further comprises a thermoplastic resin (B).

3. The sealing material for insulating glass according to claim 1, wherein the resin composition further comprises a tackifying resin (C).

4. The sealing material for insulating glass according to claim 1, wherein the resin composition further comprises a plasticizer (D).

5. The sealing material for insulating glass according to claim 2, wherein the thermoplastic resin (B) is at least one selected from the group consisting of thermoplastic elastomers, polyethylene, ethylene-α

-olefin copolymers, and isobutylene-isoprene copolymers.

6. The sealing material for insulating glass according to claim 5, wherein the thermoplastic elastomer is either a styrenic thermoplastic elastomer or a thermoplastic polyurethane elastomer.

7. The sealing material for insulating glass according to claim 6, wherein the styrenic thermoplastic elastomer is a triblock copolymer composed of (a polymer block containing an aromatic vinyl compound as a constituent monomer)-(a polymer block containing isobutylene as a constituent monomer)-(a polymer block containing an aromatic vinyl compound as a constituent monomer).

8. The sealing material for insulating glass according to claim 6, wherein the styrenic thermoplastic elastomer is a triblock copolymer composed of (a polymer block containing an aromatic vinyl compound as a constituent monomer)-(a polymer block containing a conjugated diene as a constituent monomer)-(a polymer block containing an aromatic vinyl compound as a constituent monomer).

9. The sealing material for insulating glass according to claim 6, wherein the styrenic thermoplastic elastomer is a triblock copolymer composed of (a polymer block containing an aromatic vinyl compound as a constituent monomer)-(a polymer block containing a hydrogenated conjugated diene as a constituent monomer)-(a polymer block containing an aromatic vinyl compound as a constituent monomer).

10. The sealing material for insulating glass according to claim 2, wherein the resin composition further comprises an adhesive resin (C).

11. The sealing material for insulating glass according to claim 2, wherein the resin composition further comprises a plasticizer (D).

12. The sealing material for insulating glass according to claim 3, wherein the resin composition further comprises a plasticizer (D).

13. The sealing material for insulating glass according to claim 10, wherein the resin composition further comprises a plasticizer (D).

14. The sealing material for insulating glass according to claim 10, wherein the thermoplastic resin (B) is at least one selected from the group consisting of thermoplastic elastomers, polyethylene, ethylene-α

-olefin copolymers, and isobutylene-isoprene copolymers.

15. The sealing material for insulating glass according to claim 11, wherein the thermoplastic resin (B) is at least one selected from the group consisting of thermoplastic elastomers, polyethylene, ethylene-α

-olefin copolymers, and isobutylene-isoprene copolymers.

16. The sealing material for insulating glass according to claim 13, wherein the thermoplastic resin (B) is at least one selected from the group consisting of thermoplastic elastomers, polyethylene, ethylene-α

-olefin copolymers, and isobutylene-isoprene copolymers.