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    • 10. 发明公开
    • Food package with a microwave releasable sealed closure
    • Verpackung von Lebensmitteln mit einem durch Mikrowellen freiwerdenden Verschluss。
    • EP0356169A2
    • 1990-02-28
    • EP89308406.1
    • 1989-08-18
    • CAMPBELL SOUP COMPANY
    • Simon, Frederick E.
    • B65D81/34H05B6/64
    • B65D81/3446B65D2581/3445B65D2581/3472B65D2581/3474B65D2581/3477B65D2581/3479Y10S229/903
    • The present invention provides a food package useful for heat­ing a food product in a microwave oven. The package has a tray with an opening for introducing the food product therein. Once the food has been introduced into the tray, the opening is sealed using a micro­wave releasable adhesive. The microwave releasable adhesive seal includes a microwave interactive material in close proximity to a heat-releasable resin containing a blowing agent. The microwave interactive material preferably is composed of metallic flakes which become hot when exposed to microwave energy. Consequently, when the package is heated in a microwave oven, the microwave interac­tive material becomes hot, causing the blowing agent to decompose and form a gas. The gas formation destroys the integrity of the seal between the tray and the closure, permitting the seal to be opened easily after heating in a microwave oven.
    • 本发明提供了一种用于在微波炉中加热食品的食品包装。 该包装具有一个具有用于将食品引入其中的开口的托盘。 一旦食物被引入到托盘中,则使用微波可释放的粘合剂密封开口。 微波可释放的粘合剂密封件包括紧邻含有发泡剂的可热解树脂的微波相互作用材料。 微波互动材料优选由暴露于微波能量时变热的金属薄片构成。 因此,当在微波炉中加热包装时,微波相互作用材料变热,导致发泡剂分解并形成气体。 气体形成破坏了托盘和封盖之间的密封的完整性,允许密封件在微波炉中加热后容易地打开。