KR20160077138A - 복층 필름 및 그것으로 이루어지는 접합 유리용 중간막 - Google Patents
복층 필름 및 그것으로 이루어지는 접합 유리용 중간막 Download PDFInfo
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Abstract
(A-B)/A<0.80 (1)
1.00×10-2<(b/y)/(a/x)<2.00×10-1 (2)
이것에 의해, 충분한 흡음성을 갖고, 가열에 의한 착색이 적고, 이물(미용해 분)이 적은데다, 재활용성도 우수한 필름이 제공된다.
Description
Claims (7)
- 아세탈화도가 55 내지 80몰%이고 비닐 에스테르 단량체 단위의 함유량이 0.1 내지 1.5몰%이고 점도 평균 중합도가 1400 내지 5000인 폴리비닐 아세탈(I)을 함유하는 층(X)와,
아세탈화도가 70 내지 85몰%이고 비닐 에스테르 단량체 단위의 함유량이 5 내지 15몰%이고, 점도 평균 중합도가 1400 내지 5000인 폴리비닐 아세탈(II)를 함유하는 층(Y)를 갖고, 또한
하기 식 (1) 및 (2)를 충족시키는 복층 필름.
(A-B)/A<0.80 (1)
1.00×10-2<(b/y)/(a/x)<2.00×10-1 (2)
상기 식에서,
A: 230℃에서 3시간 가열된 상기 복층 필름을 겔 침투 크로마토그래피 측정했을 때의, 시차 굴절률 검출기로 측정되는 중합체 성분의 피크탑 분자량
a: 피크탑 분자량(A)에서의 시그널 강도
B: 230℃에서 3시간 가열된 상기 복층 필름을 겔 침투 크로마토그래피 측정했을 때의, 흡광 광도 검출기(측정 파장 280nm)로 측정되는 중합체 성분의 피크탑 분자량
b: 피크탑 분자량(B)에서의 시그널 강도
x: 단분산의 폴리메타크릴산메틸을 겔 침투 크로마토그래피 측정했을 때의, 시차 굴절률 검출기로 측정되는 피크탑 분자량에서의 시그널 강도
y: 상기 단분산의 폴리메타크릴산메틸을 겔 침투 크로마토그래피 측정했을 때의, 흡광 광도 검출기(측정 파장 220nm)로 측정되는 피크탑 분자량에서의 시그널 강도이다. - 제1항에 있어서, 하기 식 (3) 및 (4)를 충족시키는 복층 필름.
(A-C)/A<0.80 (3)
5.00×10-3<(c/y)/(a/x)<7.00×10-2 (4)
상기 식에서,
A: 상기 식 (1)과 같다
a, x, y: 상기 식 (2)와 같다
C: 230℃에서 3시간 가열된 상기 복층 필름을 겔 침투 크로마토그래피 측정했을 때의, 흡광 광도 검출기(측정 파장 320nm)로 측정되는 중합체 성분의 피크탑 분자량
c: 피크탑 분자량(C)에서의 시그널 강도이다. - 제1항 또는 제2항에 있어서, 폴리비닐 아세탈(I) 및 폴리비닐 아세탈(II)가 폴리비닐 부티랄인, 복층 필름.
- 제1항 내지 제3항 중 어느 한 항에 기재된 복층 필름으로 이루어지는 접합 유리용 중간막.
- 제4항에 기재된 접합 유리용 중간막을 사용하여 복수의 유리판을 접착하여 이루어지는 접합 유리.
- 제1항 내지 제3항 중 어느 한 항에 기재된 복층 필름의 회수물을 용융 혼련하고 나서 제막하는 단층 필름의 제조 방법.
- 제6항에 있어서, 상기 회수물, 아세탈화도가 55 내지 85몰%이고 비닐 에스테르 단량체 단위의 함유량이 0.1 내지 15몰%이고 점도 평균 중합도가 1400 내지 5000인 폴리비닐 아세탈(III), 및 가소제를 용융 혼련하고 나서 제막하는 단층 필름의 제조 방법.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/JP2013/079022 WO2015059830A1 (ja) | 2013-10-25 | 2013-10-25 | 複層フィルム及びそれからなる合わせガラス用中間膜 |
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| KR20160077138A true KR20160077138A (ko) | 2016-07-01 |
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Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10016959B2 (ko) |
| EP (1) | EP3064352B1 (ko) |
| JP (1) | JP5469286B1 (ko) |
| KR (1) | KR20160077138A (ko) |
| CN (1) | CN105848894B (ko) |
| WO (1) | WO2015059830A1 (ko) |
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| WO2020036281A1 (ko) * | 2018-08-16 | 2020-02-20 | 에스케이씨 주식회사 | 폴리비닐부티랄 수지 조성물의 제조방법 및 이를 포함하는 유리접합용 필름 |
| WO2020036280A1 (ko) * | 2018-08-16 | 2020-02-20 | 에스케이씨 주식회사 | 폴리비닐부티랄 수지 조성물의 제조방법 및 이를 포함하는 유리접합용 필름 |
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| US10323143B2 (en) * | 2013-03-22 | 2019-06-18 | Kuraray Co., Ltd. | Polyvinyl acetal composition |
| JP5632077B1 (ja) * | 2013-03-22 | 2014-11-26 | 株式会社クラレ | 透明性に優れる組成物 |
| EP3109213B1 (en) | 2014-02-18 | 2022-12-21 | Kuraray Europe GmbH | Interlayer film for laminated glass |
| JP5799192B1 (ja) * | 2014-02-18 | 2015-10-21 | 株式会社クラレ | 高接着性樹脂組成物及びそれからなる成形体並びに積層体 |
| JP5997396B2 (ja) | 2014-09-30 | 2016-09-28 | 積水化学工業株式会社 | 合わせガラス用中間膜、合わせガラス及び合わせガラス用中間膜の製造方法 |
| US11648755B2 (en) | 2017-02-03 | 2023-05-16 | Sekisui Chemical Co., Ltd. | Laminated glass intermediate film and laminated glass |
| CN110650932A (zh) * | 2017-06-08 | 2020-01-03 | 株式会社可乐丽 | 夹层玻璃用中间膜的再利用方法 |
| WO2020050255A1 (ja) * | 2018-09-05 | 2020-03-12 | 株式会社クラレ | ポリビニルアルコール樹脂の製造方法、及びポリビニルアルコール樹脂 |
| WO2021215456A1 (ja) * | 2020-04-21 | 2021-10-28 | 積水化学工業株式会社 | 樹脂組成物、合わせガラス用中間膜、及び合わせガラス |
| JP2024502490A (ja) * | 2021-01-11 | 2024-01-19 | ソルティア・インコーポレーテッド | 多層ポリ(ビニルブチラール)シートからポリ(ビニルブチラール)を再生利用する方法 |
| WO2024006630A1 (en) * | 2022-06-29 | 2024-01-04 | Solutia Inc. | Method of recycling poly(vinyl butyral) from multilayer poly(vinyl butyral) sheets |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020036281A1 (ko) * | 2018-08-16 | 2020-02-20 | 에스케이씨 주식회사 | 폴리비닐부티랄 수지 조성물의 제조방법 및 이를 포함하는 유리접합용 필름 |
| WO2020036280A1 (ko) * | 2018-08-16 | 2020-02-20 | 에스케이씨 주식회사 | 폴리비닐부티랄 수지 조성물의 제조방법 및 이를 포함하는 유리접합용 필름 |
| CN112543774A (zh) * | 2018-08-16 | 2021-03-23 | Skc株式会社 | 聚乙烯醇缩丁醛树脂组合物的制备方法及包括其的玻璃接合用薄膜 |
| CN112543774B (zh) * | 2018-08-16 | 2023-10-31 | 爱思开迈克沃有限公司 | 聚乙烯醇缩丁醛树脂的制备方法、接合用薄膜及层合玻璃 |
| US12351710B2 (en) | 2018-08-16 | 2025-07-08 | Sk Microworks Co., Ltd. | Method for preparing polyvinyl butyral resin composition, and glass-adhesive film comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105848894A (zh) | 2016-08-10 |
| EP3064352A4 (en) | 2017-07-12 |
| US10016959B2 (en) | 2018-07-10 |
| EP3064352B1 (en) | 2018-04-18 |
| US20160271911A1 (en) | 2016-09-22 |
| EP3064352A1 (en) | 2016-09-07 |
| JP5469286B1 (ja) | 2014-04-16 |
| CN105848894B (zh) | 2018-01-23 |
| WO2015059830A1 (ja) | 2015-04-30 |
| JPWO2015059830A1 (ja) | 2017-03-09 |
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