KR20170132760A - 접합 유리용 중간막 및 접합 유리 - Google Patents
접합 유리용 중간막 및 접합 유리 Download PDFInfo
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- KR20170132760A KR20170132760A KR1020177027362A KR20177027362A KR20170132760A KR 20170132760 A KR20170132760 A KR 20170132760A KR 1020177027362 A KR1020177027362 A KR 1020177027362A KR 20177027362 A KR20177027362 A KR 20177027362A KR 20170132760 A KR20170132760 A KR 20170132760A
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- interlayer
- glass
- laminated glass
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- B32B17/10005—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
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Abstract
Description
도 2는, 본 발명의 제2 실시 형태에 따른 접합 유리용 중간막을 모식적으로 도시하는 단면도이다.
도 3은, 도 1에 도시하는 접합 유리용 중간막을 사용한 접합 유리의 일례를 모식적으로 도시하는 단면도이다.
도 4는, 도 2에 도시하는 접합 유리용 중간막을 사용한 접합 유리의 일례를 모식적으로 도시하는 단면도이다.
도 5는, MD 방향에서의 복굴절률을 측정하기 위한 측정 샘플을 설명하기 위한 도면이다.
도 6은, TD 방향에서의 복굴절률을 측정하기 위한 측정 샘플을 설명하기 위한 도면이다.
1a…제1 표면
1b…제2 표면
2…제2 층
2a…외측의 표면
3…제3 층
3a…외측의 표면
11…중간막
11A…중간막(제1 층)
11a…제1 표면
11b…제2 표면
21…제1 접합 유리 부재
22…제2 접합 유리 부재
31…접합 유리
31A…접합 유리
Claims (12)
- 제1 접합 유리 부재와 제2 접합 유리 부재 사이에 배치되고, 접합 유리를 얻기 위하여 사용되는 중간막이며,
중간막은, 열가소성 수지와 가소제를 포함하고,
중간막은, MD 방향과 TD 방향을 갖고,
중간막은, 두께 방향의 한쪽측에 제1 표면부와, 두께 방향의 다른 쪽측에 제2 표면부와, 상기 제1 표면부와 상기 제2 표면부 사이에 중앙부를 갖고,
중간막의 MD 방향에 있어서, 상기 제1 표면부의 복굴절률을 ΔnMDA, 상기 제2 표면부의 복굴절률을 ΔnMDB, 상기 중앙부의 복굴절률을 ΔnMDC로 하고, 중간막의 TD 방향에 있어서, 상기 제1 표면부의 복굴절률을 ΔnTDA, 상기 제2 표면부의 복굴절률을 ΔnTDB, 상기 중앙부의 복굴절률을 ΔnTDC로 하고, ΔnMDA 및 ΔnMDC의 차의 절댓값, 그리고 ΔnMDB 및 ΔnMDC의 차의 절댓값 중 높은 쪽의 절댓값을 ΔnMDMAX로 하고, ΔnTDA 및 ΔnTDC의 차의 절댓값, 그리고 ΔnTDB 및 ΔnTDC의 차의 절댓값 중 높은 쪽의 절댓값을 ΔnTDMAX로 했을 때에, ΔnMDMAX와 ΔnTDMAX의 합계가 0.070×10-3 이하인, 접합 유리용 중간막. - 제1항에 있어서, ΔnMDMAX와 ΔnTDMAX의 합계가 0.01×10-3 이상인, 접합 유리용 중간막.
- 제1항 또는 제2항에 있어서, ΔnMDA, ΔnMDB 및 ΔnMDC가 각각, 0.030×10-3을 초과하는, 접합 유리용 중간막.
- 제1항 내지 제3항 중 어느 한 항에 있어서, ΔnTDA, ΔnTDB 및 ΔnTDC가 각각, 0.030×10-3을 초과하는, 접합 유리용 중간막.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 중간막의 유리 전이 온도가 35℃ 이하이거나, 또는 중간막 중의 상기 열가소성 수지 100중량부에 대하여, 중간막 중의 상기 가소제의 함유량이 35중량부 이상인, 접합 유리용 중간막.
- 제5항에 있어서, 중간막의 유리 전이 온도가 35℃ 이하인, 접합 유리용 중간막.
- 제5항에 있어서, 중간막 중의 상기 열가소성 수지 100중량부에 대하여, 중간막 중의 상기 가소제의 함유량이 35중량부 이상인, 접합 유리용 중간막.
- 제5항에 있어서, 중간막의 유리 전이 온도가 35℃ 이하이고, 또한 중간막 중의 상기 열가소성 수지 100중량부에 대하여, 중간막 중의 상기 가소제의 함유량이 35중량부 이상인, 접합 유리용 중간막.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 중간막은 제1 접합 유리 부재와 제2 접합 유리 부재 사이에 배치된 후에, 가열된 2개의 롤 사이를 통과시키고, 접합 유리를 얻기 위하여 사용되는, 접합 유리용 중간막.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 중간막은 제1 유리판과 제2 유리판 사이에 배치되고, 접합 유리를 얻기 위하여 사용되는, 접합 유리용 중간막.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 중간막은 용융 압출 성형물인, 접합 유리용 중간막.
- 제1 접합 유리 부재와,
제2 접합 유리 부재와,
제1항 내지 제11항 중 어느 한 항에 기재된 접합 유리용 중간막을 구비하고,
상기 제1 접합 유리 부재와 상기 제2 접합 유리 부재 사이에, 상기 접합 유리용 중간막이 배치되어 있는, 접합 유리.
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