KR102550270B1 - 에틸렌-비닐알코올 공중합체 함유 수지 조성물, 및 이로 이루어지는 성형체 및 포장 재료 - Google Patents
에틸렌-비닐알코올 공중합체 함유 수지 조성물, 및 이로 이루어지는 성형체 및 포장 재료 Download PDFInfo
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- KR102550270B1 KR102550270B1 KR1020207021733A KR20207021733A KR102550270B1 KR 102550270 B1 KR102550270 B1 KR 102550270B1 KR 1020207021733 A KR1020207021733 A KR 1020207021733A KR 20207021733 A KR20207021733 A KR 20207021733A KR 102550270 B1 KR102550270 B1 KR 102550270B1
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- B29B7/58—Component parts, details or accessories; Auxiliary operations
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Abstract
Description
Claims (7)
- 아조니트릴계 중합 개시제를 사용하여 제조되는 에틸렌-비닐알코올 공중합체(A)를 주성분으로서 함유하는 수지 조성물로서,
에틸렌-비닐알코올 공중합체(A)의 에틸렌 단위 함유량이 20 내지 60몰%, 비누화도가 85몰% 이상이고,
상기 중합 개시제에 유래하는 질소원소량(NI)이 5 내지 60ppm이고, 또한
질소원소량(NI)에 대한, 하기 조작(X)에 의해 얻어지는 건조 고형물에 포함되는 질소원소량(NF)의 비율(NF/NI)이 0.65 내지 0.99이며,
단, 에틸렌-비닐알코올 공중합체(A)가 하기 화학식 (1)로 표시되는 구조 단위를 포함하는 경우를 제외하는, 수지 조성물.
조작(X): 5g의 수지 조성물을 100g의 1,1,1,3,3,3-헥사플루오로-2-프로판올에 용해시킨 용액을, 교반 하에 있는 1,000g의 메탄올(20℃)에 적하하여, 생성된 침전을 분리한 후, 100℃에서 24시간 건조하여 건조 고형물을 얻는다.
[화학식 (1)]
상기 화학식 (1)에서,
R1은 치환기를 갖고 있어도 좋은 탄소수 3 이하의 알킬렌옥시기, 에스테르기, 또는 아미드기를 나타내고, R1이 알킬렌옥시기 또는 에스테르기인 경우는 주쇄에 대하여 탄소가 결합하고 있고,
R2는 치환기를 갖고 있어도 좋은 탄소수 4 이하의 알칸디일기를 나타내고, 개개의 R2는 동일해도 상이해도 좋고,
R3은 수소 원자 또는 치환기를 갖고 있어도 좋은 탄소수 4 이하의 알킬기를 나타내고,
n은 10 내지 100의 범위의 값을 나타낸다. - 제1항에 있어서, 상기 비율(NF/NI)이 0.75 내지 0.95인, 수지 조성물.
- 제1항 또는 제2항에 있어서, 금속 이온(B) 100 내지 400ppm을 추가로 함유하는, 수지 조성물.
- 제1항 또는 제2항에 있어서, 카복실산(C) 50 내지 400ppm을 추가로 함유하는, 수지 조성물.
- 제1항 또는 제2항에 기재된 수지 조성물을 포함하는, 성형체.
- 제5항에 있어서, 다층 구조체인 성형체.
- 제5항에 기재된 성형체를 갖는, 포장 재료.
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BR112022011133A2 (pt) * | 2019-12-27 | 2022-08-23 | Kuraray Co | Composição de resina, e artigo moldado e estrutura de múltiplas camadas, cada qual compreendendo a mesma |
WO2022131321A1 (ja) * | 2020-12-17 | 2022-06-23 | 株式会社クラレ | 樹脂ペレット群およびそれを用いた層構造体 |
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EP2551300B1 (en) * | 2010-03-25 | 2017-05-03 | Kuraray Co., Ltd. | Resin composition, process for production thereof, and multilayer structure |
CN103635526B (zh) * | 2011-07-07 | 2016-08-17 | 株式会社可乐丽 | 乙烯-乙烯醇共聚物树脂组合物及其制造方法 |
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JP2011202052A (ja) * | 2010-03-26 | 2011-10-13 | Kuraray Co Ltd | 変性エチレン−ビニルアルコール共重合体およびそれを含有する組成物 |
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