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    • 8. 发明授权
    • Process of producing thermoplastic polyester series resin foamed material
    • 生产热塑性聚酯树脂发泡材料的工艺
    • US5128383A
    • 1992-07-07
    • US792577
    • 1991-11-15
    • Norio AmanoTakeshi TakiTakaaki Hirai
    • Norio AmanoTakeshi TakiTakaaki Hirai
    • B65D81/34C08J9/00C08J9/04
    • C08J9/04B65D81/34C08J9/0014C08J2367/02Y10S521/918
    • A process of producing a thermoplastic polyester series resin foamed material is disclosed, which comprises heating and further foaming a thermoplastic polyester resin foamed material having a crystallinity of not higher than 30% by bringing into contact with water or steam of at least 60.degree. C. and then heating the foamed material by bringing into contact with a heating medium other than water of at least 100.degree. C. to further foaming the foamed material. A process of producing a thermoplastic polyester series resin foamed material is also disclosed, which comprises heating and further foaming a thermoplastic polyester series resin foamed material having a crystallinity of not higher than 30% by bringing into contact with water to steam of at least 60.degree. C., heating and further foaming the foamed material by bringing into contact with a heating medium other than water of at least 100.degree. C., and molding the foamed material by a mold.
    • 公开了一种热塑性聚酯系列树脂发泡体的制造方法,其特征在于,通过与至少60℃的水或蒸汽接触,对结晶度不高于30%的热塑性聚酯树脂发泡体进行加热发泡。 然后通过与除了至少100℃的水以外的加热介质接触来加热发泡材料,以进一步使泡沫材料发泡。 还公开了一种热塑性聚酯类树脂发泡体的制造方法,其特征在于,通过与水接触至少60℃的蒸汽,对结晶度不高于30%的热塑性聚酯类树脂发泡体进行发泡,进一步发泡。 C.通过与除了至少100℃的水以外的加热介质接触来加热和进一步发泡泡沫材料,并通过模具模制发泡材料。