[특허]Copolyester/polyamide blend having improved flavor retaining property and clarity

Copolyester/polyamide blend having improved flavor retaining property and clarity 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/06 B32B-027/36
출원번호	US-0885083 (1992-05-18)
발명자 / 주소	Mills David E. (Kingsport TN) Stafford Steven L. (Gray TN)
출원인 / 주소	Eastman Kodak Company (Rochester NY 02)
인용정보	피인용 횟수 : 46 인용 특허 : 0

초록 ▼

This invention relates to a copolyester/polyamide blend having an improved flavor retaining property and clarity. More particularly, the present invention relates to an essentially noncrystalline copolyester containing poly(ethylene terephthalate) units blended with a critical amount of a nonhydroxyfunctional polyamide. The use of a nonhydroxyfunctional polyamide in a critical amount reduces the concentration of acetaldehyde contained in the poly(ethylene terephthalate) copolyester, and thus, improves the storage property, flavor retaining property, and fragrance retaining property of a food or the like.

대표청구항 ▼

An essentially noncrystalline copolyester composition having an improved flavor retaining property comprising: (A) 98.0 to 99.95 weight percent of a copolyester which comprises (1) a dicarboxylic acid component comprising repeat units from at least 50 mole percent terephthalic acid; and (2) a diol component comprising repeat units from at least 50 mole percent ethylene glycol; based on 100 mole percent dicarboxylic acid and 100 mole percent diol, provided that there is at least 20 mole percent dicarboxylic acid or diol comonomers present in the copolyester; and (B) 2.0 to 0.05 weight percent of a nonhydroxyfunctional polyamide, wherein the combined weights of (A) and (B) total 100 percent.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Copolyester/polyamide blend having improved flavor retaining property and clarity 원문보기

초록 ▼

대표청구항 ▼

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Copolyester/polyamide blend having improved flavor retaining property and clarity 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (46)

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