Claims
- 1. A vessel comprising an inner layer, wherein said inner layer is a blended resin composition comprising: at least one kind of a first polyester resin selected from the group consisting of amorphous polyester resins and polyester resins having a peak area of not more than 20 mJ/g by differential scanning calorimeter measurement, which has a glass-transition temperature not less than 50.degree. C. and at least one kind of a second polyester resin which has a glass-transition temperature not more than 40.degree. C.;
- said first polyester resin having a peak A representing a temperature dependency of tan .delta. which is obtained by dynamic viscoelasticity measurement;
- said second polyester resin having a peak B representing said temperature dependency of tan .delta. which is obtained by dynamic viscoelasticity measurement;
- said peak A of said first polyester resin is located at a higher temperature than said peak B of said second polyester resin;
- said blended resin composition having a peak A' representing a temperature dependency of tan .delta. which is obtained by dynamic viscoelasticity measurement and a peak B' representing a temperature dependency of tan .delta. which is obtained by dynamic viscoelasticity measurement;
- said peak A' and peak B' of said blended resin composition are located at a lower temperature than said peak A; and
- said peak A' and peak B' of said blended resin composition are located at a higher temperature than said peak B.
- 2. The vessel according to claim 1, wherein:
- said blended resin composition includes 10 to 95 parts by weight of said first polyester resin and 90 to 5 parts by weight of said second polyester resin.
- 3. The vessel according to claim 1, wherein:
- said peak B' of said blended resin composition is located at a lower temperature than room temperature; and
- said peak A' of said blended resin composition is located at a higher temperature than room temperature.
- 4. The vessel according to claim 1, wherein:
- said first polyester resin is a polyester containing a combination of acid and glycol components where said acid component is selected from tere- or isophthalic acids and said glycol component is selected from ethylene glycol or cyclohexane dimethanol.
- 5. The vessel according to claim 1, wherein:
- said second polyester resin is polyester containing a combination of acid and glycol components where said acid component is selected from terephthalic acid, isophthalic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, nonamethylenedicarboxylic acid, cyclobutanedicarboxylic acid, cyclopentanedicarboxylic acid, cyclohexanedicarboxylic acid, and at least one kind of glycol component selected from the group consisting of ethyleneglycol, diethyleneglycol, propyleneglycol, butyleneglycol, 1,6-hexanediol, neopentylglycol, polyethyleneglycol, polytetramethyleneglycol and cyclohexanedimethanol.
- 6. The vessel according to claim 1, wherein said inner layer has a thickness of 5 .mu.m to 100 .mu.m.
- 7. The vessel according to claim 1, wherein said inner layer has a thickness of 20 .mu.m to 100 .mu.m.
- 8. The vessel according to claim 1, further comprising a gas barrier resin layer.
- 9. The vessel according to claim 1, wherein said gas barrier resin layer has a thickness less than 100 .mu.m.
- 10. The vessel according to claim 1, further comprising an outer layer.
- 11. The vessel according to claim 10, wherein said outer layer is a polyolefin-type resin selected from the group consisting of low density polyethylene resin, linear chain low density polyethylene resin, high density polyethylene resin, homopolypropylene, block co-polypropylene, and random co-polypropylene.
- 12. The vessel according to claim 10, wherein said outer layer has a thickness of 300 .mu.m to 450 .mu.m.
- 13. The vessel according to claim 1, further comprising an adhesive resin layer.
- 14. The vessel according to claim 13, wherein said adhesive resin layer has a thickness of 20 .mu.m to 50 .mu.m.
- 15. The vessel according to claim 1, further comprising an adhesive resin layer and an outer layer.
Priority Claims (2)
Number |
Date |
Country |
Kind |
3-119823 |
May 1991 |
JPX |
|
4-94720 |
Apr 1992 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 08/313,536, filed on Sep. 27, 1994, which was a Continuation of application Ser. No. 08/107,207, filed on Aug. 16, 1993, which was a Continuation-in-Part of application Ser. No. 07/887,184, filed on May 20, 1992, all now abandoned.
US Referenced Citations (7)
Continuations (2)
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Number |
Date |
Country |
Parent |
313536 |
Sep 1994 |
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Parent |
107207 |
Aug 1993 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
887184 |
May 1992 |
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