To provide a sealed container whose lid is not made of a polycarbonate that may have a harmful influence on human health, and which is sealed while retaining transparency and heat resistance.
The sealed container 10 has a dome lid 2 which is heat-sealed to be easily unsealed. The dome lid 2 is made of a mixture of a polybutylene terephthalate resin copolymer and a polyethylene terephthalate resin homopolymer or polyethylene terephthalate resin copolymer. The polybutylene terephthalate resin copolymer is a copolymer composed of a terephthalic acid component, a tetramethylene glycol component, a polyvalent carboxylic acid component, and a polyvalent alcohol component. The polyethylene terephthalate resin homopolymer is composed of terephthalic acid and an ethylene glycol component. The polyethylene terephthalate resin copolymer is composed of a copolymer composed of: terephthalic acid component and an ethylene glycol component, or 1,4-cyclohexanedimethanol component, a polyvalent carboxylic acid component; and a polyvalent alcohol component.
| JP2010006935 | COATING FILM AND VAPOR-DEPOSITED FILM |
| JPH08119329A | 1996-05-14 | |||
| JPH02180168A | 1990-07-13 | |||
| JPH03187854A | 1991-08-15 | |||
| JPH11100071A | 1999-04-13 | |||
| JP2002275362A | 2002-09-25 | |||
| JP2002179892A | 2002-06-26 | |||
| JP2004300184A | 2004-10-28 | |||
| JP2004034302A | 2004-02-05 | |||
| JPH0542642A | 1993-02-23 |
Ichiro Irie
Juichi Nosue