KR20210027286A - 접합 유리용 중간막 및 접합 유리 - Google Patents
접합 유리용 중간막 및 접합 유리 Download PDFInfo
- Publication number
- KR20210027286A KR20210027286A KR1020207037469A KR20207037469A KR20210027286A KR 20210027286 A KR20210027286 A KR 20210027286A KR 1020207037469 A KR1020207037469 A KR 1020207037469A KR 20207037469 A KR20207037469 A KR 20207037469A KR 20210027286 A KR20210027286 A KR 20210027286A
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- KR
- South Korea
- Prior art keywords
- layer
- laminated glass
- interlayer film
- resin
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
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- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
[도 2] 본 발명의 접합 유리용 중간막의 일 형태인 구성을 나타내는 단면 모식도이다.
1b A층
2a B층
2b B층
2c B층
2d B층
3 C층
Claims (22)
- A층, C층, A층을 이 순서로 포함하고, 이들의 층 사이 또는 외측의 임의의 개소에 B층을 포함하는 접합 유리용 중간막으로서,
상기 A층은 제1 열가소성 수지를 함유하는 층이고, A층을 구성하는 수지 재료는 JIS K 7244-10:2005에 준하여 주파수 1Hz의 조건으로 복소 전단 점도 시험을 행함으로써 측정되는 tanδ가 최대가 되는 피크를 -30℃ 이상 10℃ 이하의 범위에서 갖고, A층의 적어도 1층의 수지 재료의 당해 tanδ 피크의 높이는 1.5 이상이며,
상기 C층은, 두께가 0.1mm 이상 1.5mm 이하인 무기 유리로 이루어진 층이거나, 또는 두께가 0.25mm 이상 2.5mm 이하로서 제3 열가소성 수지를 함유하는 층이며, C층이 제3 열가소성 수지를 함유하는 층인 경우, C층을 구성하는 수지 재료는 JIS K 7244-4:1999에 준하여 주파수 0.3Hz의 조건으로 동적 점탄성 시험을 행함으로써 측정되는 0℃에서의 인장 저장 탄성율이 1.0GPa 이상이며,
상기 B층은 제2 열가소성 수지를 함유하는 층이고, 상기 A층을 구성하는 수지 재료와는 상이한 수지 재료로 구성되어 있는, 접합 유리용 중간막. - 제1항에 있어서, 상기 A층은 제1 열가소성 수지로서, 방향족 비닐 단량체 단위를 60몰% 이상 포함하는 중합체 블럭 (a)와 공액 디엔 단량체 단위를 60몰% 이상 포함하는 중합체 블럭 (b)를 갖는 블럭 공중합체의 수소 첨가물을 함유하고, 블럭 공중합체의 수소 첨가물에서의 중합체 블럭 (a)의 함유량은, 블럭 공중합체의 수소 첨가물의 총 질량에 대해 25질량% 이하인, 접합 유리용 중간막.
- 제1항 또는 제2항에 있어서, 상기 B층은 제2 열가소성 수지로서, 폴리비닐아세탈 수지 또는 아이오노머 수지를 함유하는, 접합 유리용 중간막.
- 제3항에 있어서, 상기 폴리비닐아세탈 수지 100질량부에 대한 가소제의 함유량은 50질량부 이하인, 접합 유리용 중간막.
- 제4항에 있어서, 상기 가소제는 융점이 30℃ 이하이며, 수산기가 15 내지 450mgKOH/g인 에스테르계 가소제 또는 에테르계 가소제인, 접합 유리용 중간막.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 무기 유리는 화학 강화된 무기 유리인, 접합 유리용 중간막.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 C층은 제3 열가소성 수지로서, 아크릴 수지, 폴리카보네이트 수지, 폴리에스테르 수지 또는 폴리비닐아세탈 수지 중 어느 하나를 함유하는, 접합 유리용 중간막.
- 제7항에 있어서, 상기 폴리비닐아세탈 수지 100질량부에 대한 가소제의 함유량은 30질량부 이하인, 접합 유리용 중간막.
- 제8항에 있어서, 상기 가소제는 융점이 30℃ 이하이며, 수산기가가 15 내지 450mgKOH/g인 에스테르계 가소제 또는 에테르계 가소제인, 접합 유리용 중간막.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 세로 300mm, 가로 25mm, 두께 1.9mm의 플로트 유리와 세로 300mm, 가로 25mm, 두께 0.55mm의 화학 강화된 무기 유리를 사용하여 상기 접합 유리용 중간막을 협지한 접합 유리에 있어서, 20℃에서 중앙 가진법에 의해 측정되는 3차 공진 주파수에서의 손실 계수는 0.55 이상인, 접합 유리용 중간막.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 0° 내지 78°의 음장 입사로 부여되는 질량칙에 의한 음향 투과 손실(TL1-a)과, 세로 300mm, 가로 25mm, 두께 1.9mm의 플로트 유리 및 세로 300mm, 가로 25mm, 두께 0.55mm의 화학 강화된 무기 유리를 사용하여 상기 접합 유리용 중간막을 협지한 접합 유리에 있어서, 20℃에서 중앙 가진법에 의해 측정되는 3차 공진 주파수에서의 손실 계수 및 ISO 16940:2008에 준하여 산출되는 당해 3차 공진 주파수에서의 굽힘 강성으로부터 산출되는 음향 투과 손실(TL2-a)과의 차 ΔTL은, 1000Hz 이상의 1/3 옥타브 대역의 각 중심 주파수에서 4.1dB 이하인, 접합 유리용 중간막.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 세로 300mm, 가로 25mm, 두께 1.9mm인 2매의 플로트 유리를 사용하여 상기 접합 유리용 중간막을 협지한 접합 유리에 있어서, 20℃에서 중앙 가진법에 의해 측정되는 3차 공진 주파수에서의 손실 계수는 0.55 이상인, 접합 유리용 중간막.
- 제1항 내지 제12항 중 어느 한 항에 있어서, 0° 내지 78°의 음장 입사로 부여되는 질량칙에 의한 음향 투과 손실(TL1-b)과, 세로 300mm, 가로 25mm, 두께 1.9mm인 2매의 플로트 유리를 사용하여 상기 접합 유리용 중간막을 협지한 접합 유리에 있어서, 20℃에서 중앙 가진법에 의해 측정되는 3차 공진 주파수에서의 손실 계수 및 ISO 16940:2008에 준하여 산출되는 당해 3차 공진 주파수에서의 굽힘 강성으로부터 산출되는 음향 투과 손실(TL2-b)의 차 ΔTL은, 1000Hz 이상의 1/3 옥타브 대역의 각 중심 주파수에서 4.1dB 이하인, 접합 유리용 중간막.
- 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 접합 유리용 중간막에서의 적어도 하나의 층은 차열 재료를 포함하여 이루어지는, 접합 유리용 중간막.
- 제14항에 있어서, 상기 차열 재료는, 주석 도프 산화인듐, 안티몬 도프 산화주석, 안티몬산아연, 금속 도프 산화텅스텐, 디이모늄계 색소, 아미늄계 색소, 프탈로시아닌계 색소, 안트라퀴논계 색소, 폴리메틴계 색소, 벤젠디티올형 암모늄계 화합물, 티오요소 유도체, 티올 금속 착체, 알루미늄 도프 산화아연, 주석 도프 산화아연, 규소 도프 산화아연, 6붕화란탄 및 산화바나듐으로 이루어진 그룹으로부터 선택되는 적어도 하나인, 접합 유리용 중간막.
- 제1항 내지 제15항 중 어느 한 항에 있어서, 상기 접합 유리용 중간막에서의 적어도 하나의 층은 자외선 흡수제를 포함하여 이루어지는, 접합 유리용 중간막.
- 제16항에 있어서, 상기 자외선 흡수제는, 벤조트리아졸계 화합물, 벤조페논계 화합물, 트리아진계 화합물, 힌더드아민계 화합물, 벤조에이트계 화합물, 말론산에스테르계 화합물, 인돌계 화합물 및 옥살산아닐리드계 화합물로 이루어진 그룹으로부터 선택되는 적어도 하나인, 접합 유리용 중간막.
- 제1항 내지 제17항 중 어느 한 항에 있어서, 상기 접합 유리용 중간막은 적어도 A층, B층, C층, B층, A층을 이 순서로 포함하고, 당해 C층과 2개의 당해 B층은 직접 인접하고 있고, 당해 C층은 무기 유리로 이루어진 층인, 접합 유리용 중간막.
- 제1항 내지 제17항 중 어느 한 항에 있어서, 상기 접합 유리용 중간막은 적어도 B층, A층, C층, A층을 이 순서로 포함하는, 접합 유리용 중간막.
- 제19항에 있어서, 상기 C층은 제3 열가소성 수지를 함유하는 층인, 접합 유리용 중간막.
- 2개의 투명 기재의 사이에 제1항 내지 제20항 중 어느 한 항에 기재된 접합 유리용 중간막이 협지되어 이루어지는 접합 유리로서, 투명 기재 중 적어도 하나는 두께가 1.2 내지 3.0mm의 무기 유리인, 접합 유리.
- 제21항에 있어서, 차량용 전면 유리, 차량용 측면 유리, 차량용 썬루프, 차량용 후면 유리 또는 헤드업 디스플레이용 유리인, 접합 유리.
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