Resin composition and molded article comprising same

Patent metadata

Field	Value
Publication number	US-9493688-B2
Application number	US-201314443115-A
Country	US
Kind code	B2
Filing date	Nov 13, 2013
Priority date	Nov 15, 2012
Publication date	Nov 15, 2016
Grant date	Nov 15, 2016

Abstract

A resin composition including an alkoxysilyl group-containing hydrogenated block copolymer [3], and a hydrocarbon-based polymer [4] having a number average molecular weight of 300 to 5000, the resin composition including the hydrocarbon-based polymer [4] in an amount of 1 to 50 parts by weight based on 100 parts by weight of the alkoxysilyl group-containing hydrogenated block copolymer [3], the alkoxysilyl group-containing hydrogenated block copolymer [3] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [2] that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [1] that includes at least two polymer blocks [A] and at least one polymer block [B], and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer [1] to a weight fraction wB of the polymer block [B] in the block copolymer [1] being 30:70 to 65:35.

First claim

The invention claimed is:

1. A resin composition comprising an alkoxysilyl group-containing hydrogenated block copolymer [3], and a hydrocarbon-based polymer [4] having a number average molecular weight of 300 to 5000, wherein
the resin composition comprises the hydrocarbon-based polymer [4] in an amount of 1 to 50 parts by weight based on 100 parts by weight of the alkoxysilyl group-containing hydrogenated block copolymer [3],
the alkoxysilyl group-containing hydrogenated block copolymer [3] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [2] that is obtained by hydrogenating 90% or more of unsaturated bonds of the main chain, the side chain, and the aromatic ring of a block copolymer [1] that comprises at least two polymer blocks [A] and at least one polymer block [B],
the polymer block [A] comprising a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block [B] comprising a repeating unit derived from a linear conjugated diene compound as a main component,
a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer [1] to a weight fraction wB of the polymer block [B] in the block copolymer [1] is 30:70 to 65:35, and
the hydrocarbon-based polymer [4] is a hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less.

2. The resin composition according to claim 1 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less is at least one member selected from the group consisting of a hydrogenated polyisobutylene, a hydrogenated polybutene, a hydrogenated poly-4-methylpentene, a hydrogenated poly-1-octene, a hydrogenated ethylene-α-olefin copolymer, a hydrogenated aliphatic hydrocarbon resin, a hydrogenated alicyclic hydrocarbon resin, and a hydrogenated polyisoprene.

3. The resin composition according to claim 1 , wherein the iodine number of the hydrogenated (co)polymer of an olefin and/or a conjugated diene is 1.3 or less.

4. A formed article obtained by forming the resin composition according to claim 1 into a shape.

5. The formed article according to claim 4 , wherein the shape is a sheet.

6. The resin composition according to claim 1 , wherein the iodine number of the hydrogenated (co)polymer of an olefin and/or a conjugated diene is in a range of from 0.2 to 1.3.

7. The resin composition according to claim 1 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polybutene.

8. The resin composition according to claim 1 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polyisobutene.

9. The resin composition according to claim 1 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polyisoprene.

10. A method of bonding glass sheets, the method comprising:
interposing a glass sheet bonding material between glass sheets and bonding the glass sheets; wherein glass sheet bonding material includes the resin composition of claim 1 .

11. The method according to claim 10 , wherein interposing a glass sheet bonding material between glass sheets comprises forming the glass sheet bonding material into a sheet and interposing the sheet of the glass sheet bonding material between the glass sheets.

12. The method according to claim 10 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less is at least one member selected from the group consisting of a hydrogenated polyisobutylene, a hydrogenated polybutene, a hydrogenated poly-4-methylpentene, a hydrogenated poly-1-octene, a hydrogenated ethylene-α-olefin copolymer, a hydrogenated aliphatic hydrocarbon resin, a hydrogenated alicyclic hydrocarbon resin, and a hydrogenated polyisoprene.

13. The method according to claim 10 , wherein the iodine number of the hydrogenated (co)polymer of an olefin and/or a conjugated diene is 1.3 or less.

14. The method according to claim 10 , wherein the iodine number of the hydrogenated (co)polymer of an olefin and/or a conjugated diene is in a range of from 0.2 to 1.3.

15. The method according to claim 10 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polybutene.

16. The method according to claim 10 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polyisobutene.

17. The method according to claim 10 , wherein the hydrogenated (co)polymer of an olefin and/or a conjugated diene that has an iodine number of 2.0 or less includes a hydrogenated polyisoprene.

Assignees

• Zeon Corp

Inventors

• Ishiguro Atsushi
• Kurihara Ryuta
• Koide Youhei
• Chiba Daido

Classifications

• C09J2423/003

  in the primer coating · CPC title

• C08F287/00

  Macromolecular compounds obtained by polymerising monomers on to block polymers · CPC title

• C09J2453/003

  in the primer coating · CPC title

• H01L31/048

  Electricity · mapped topic

• C08L53/02

  of vinyl-aromatic monomers and conjugated dienes · CPC title