MULTI LAYERED TUBE AND MANUFACTURING METHOD OF MULTI LAYERED TUBE

According to one embodiment of the present invention, provided is a multi-layered tube which comprises an inner tube, an intermediate tube and an outer tube, including at least one material selected from the group consisting of styrene ethylene butadiene styrene, polypropylene and thermoplastic elas...

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Bibliographic Details
Main Author HWANG YOUNG KUK
Format Patent
LanguageEnglish
Korean
Published 06.07.2023
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:According to one embodiment of the present invention, provided is a multi-layered tube which comprises an inner tube, an intermediate tube and an outer tube, including at least one material selected from the group consisting of styrene ethylene butadiene styrene, polypropylene and thermoplastic elastomer. The outer tube provided on the inner tube has a polypropylene content higher than the contents of the other materials, and the intermediate tube provided between the inner tube and the outer tube has a styrene ethylene butadiene styrene content higher than the content of the other materials. 본 발명의 일 실시예에 따르면, 스타이렌 에틸렌 부타다이엔 스타이렌, 폴리프로필렌 및 열가소성 엘라스토머로 이루어진 군에서 선택된 적어도 하나의 물질을 포함하는, 내층 튜브, 중층 튜브 및 외층 튜브를 포함하고, 상기 내층 튜브 상에 제공된 상기 외층 튜브는 폴리프로필렌 함량이 다른 물질 함량보다 높고, 상기 내층 튜브와 상기 외층 튜브 사이에 제공된 상기 중층 튜브는 스타이렌 에틸렌 부타다이엔 스타이렌 함량이 다른 물질 함량보다 높은, 다층 구조 튜브가 제공된다.
Bibliography:Application Number: KR20210191028