JPWO2016052673A1 - ガラス板貼り合わせ用樹脂膜、ガラス板含有積層体及びガラス板貼り合わせ用樹脂膜の製造方法 - Google Patents
ガラス板貼り合わせ用樹脂膜、ガラス板含有積層体及びガラス板貼り合わせ用樹脂膜の製造方法 Download PDFInfo
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- JPWO2016052673A1 JPWO2016052673A1 JP2015553961A JP2015553961A JPWO2016052673A1 JP WO2016052673 A1 JPWO2016052673 A1 JP WO2016052673A1 JP 2015553961 A JP2015553961 A JP 2015553961A JP 2015553961 A JP2015553961 A JP 2015553961A JP WO2016052673 A1 JPWO2016052673 A1 JP WO2016052673A1
- Authority
- JP
- Japan
- Prior art keywords
- glass plate
- resin film
- resin
- glass
- laminated
- 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.)
- Granted
Links
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Images
Classifications
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—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
- 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
- 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
- B32B17/1055—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 resin layer, i.e. interlayer
- B32B17/10761—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 resin layer, i.e. interlayer containing vinyl acetal
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- B32B17/06—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
- 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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- B32B17/10—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
- 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
- B32B17/10009—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
- 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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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
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- B32B17/10036—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 two outer glass sheets
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Abstract
Description
上記樹脂膜に含まれている熱可塑性樹脂は特に限定されない。上記熱可塑性樹脂として、従来公知の熱可塑性樹脂を用いることが可能である。上記熱可塑性樹脂は1種のみが用いられてもよく、2種以上が併用されてもよい。
樹脂膜の接着力をより一層高める観点から、上記樹脂膜は、可塑剤を含む。樹脂膜に含まれている熱可塑性樹脂が、ポリビニルアセタール樹脂である場合に、樹脂膜は、可塑剤を含むことが特に好ましい。
上記樹脂膜は、必要に応じて、紫外線遮蔽剤、酸化防止剤、光安定剤、難燃剤、帯電防止剤、顔料、染料、耐湿剤、接着力調整剤、蛍光増白剤及び赤外線吸収剤等の添加剤を含んでいてもよい。これらの添加剤は、1種のみが用いられてもよく、2種以上が併用されてもよい。
HICをより一層効果的に低くし、合わせガラスの耐貫通性を効果的に高める観点からは、上記樹脂膜のガラス転移温度は、好ましくは10℃以上、より好ましくは15℃以上、更に好ましくは20℃以上、好ましくは45℃以下、より好ましくは40℃以下、更に好ましくは35℃以下である。
図1は、本発明の一実施形態に係るガラス板貼り付け用樹脂膜を用いたガラス板含有積層体の一例を示す断面図である。
攪拌装置を備えた反応器に、イオン交換水3400mlと、ポリビニルアルコール(平均重合度1700、けん化度99モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に、触媒として60重量%硝酸を、硝酸濃度が0.45重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド30gを添加した。その後、n−ブチルアルデヒド137gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、60重量%硝酸を、硝酸濃度が1.6重量%となるように添加し、60℃に加熱し、60℃に達した時点で溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(1)を得た。
攪拌装置を備えた反応器に、イオン交換水3400mlと、ポリビニルアルコール(平均重合度1700、けん化度99モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に触媒として60重量%硝酸を、硝酸濃度が0.45重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド30gを添加した。その後、n−ブチルアルデヒド154gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、60重量%硝酸を、硝酸濃度が1.6重量%となるように添加し、55℃に加熱し、55℃に達した時点で溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(2)を得た。
攪拌装置を備えた反応器に、イオン交換水3400mlと、ポリビニルアルコール(平均重合度1700、けん化度99モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に触媒として60重量%硝酸を、硝酸濃度が0.45重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド30gを添加した。その後、n−ブチルアルデヒド137gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、60重量%硝酸を、硝酸濃度が1.6重量%となるように添加し、55℃に加熱し、55℃に達した時点で溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(3)を得た。
攪拌装置を備えた反応器に、イオン交換水3400mlと、ポリビニルアルコール(平均重合度1700、けん化度99モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に触媒として60重量%硝酸を、硝酸濃度が0.45重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド30gを添加した。その後、n−ブチルアルデヒド137gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、60重量%硝酸を、硝酸濃度が1.6重量%となるように添加し、50℃に加熱し、50℃に達した時点で溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(4)を得た。
攪拌装置を備えた反応器に、イオン交換水2700mlと、ポリビニルアルコール(平均重合度1700、けん化度99モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に触媒として60重量%硝酸を、硝酸濃度が0.4重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド23gを添加した。その後、n−ブチルアルデヒド140gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、60重量%硝酸を、硝酸濃度が1.6重量%となるように添加し、65℃に加熱し、65℃で2時間熟成させた。次いで、溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(A)を得た。
攪拌装置を備えた反応器に、イオン交換水2700ml、ポリビニルアルコール(平均重合度2300、けん化度87.5モル%)300gとを入れ、攪拌しながら加熱溶解し、溶液を得た。次に、この溶液に触媒として35重量%塩酸を、塩酸濃度が0.6重量%となるように添加し、温度を15℃に調整した後、攪拌しながらn−ブチルアルデヒド14.2gを添加した。その後、n−ブチルアルデヒド170gを添加したところ、白色粒子状のポリビニルブチラール樹脂が析出した。析出してから15分後に、35重量%塩酸を、塩酸濃度が3.9重量%となるように添加し、45℃に加熱し、45℃で3時間熟成させた。次いで、溶液を冷却し、中和した後、ポリビニルブチラール樹脂を水洗し、乾燥させることにより、ポリビニルブチラール樹脂(B)を得た。
樹脂膜の作製:
ポリビニルブチラール樹脂(1)100重量部に、可塑剤であるトリエチレングリコールジ−2−エチルヘキサノエート(3GO)40重量部を添加し、ミキシングロールで充分に混練し、組成物を得た。
得られた樹脂膜を、縦110cm×横110cmに切り出した。次に、2枚のクリアガラス(縦110cm×横110cm×厚み2.5mm)の間に樹脂膜を挟み込み、真空ラミネーターにて90℃で30分間保持し、真空プレスし、合わせガラスを得た。
組成物の配合成分の種類及び配合量を下記の表1に示すように設定したこと以外は実施例1と同様にして、樹脂膜及び合わせガラスを得た。
(1)ガラス転移温度
実施例及び比較例で得られた平均厚さが0.76mmの樹脂膜を25℃及び相対湿度30%の条件で2時間静置した。その後、TAINSTRUMENTS社製のARES−G2を用いて、粘弾性を測定した。治具として、直径8mmのパラレルプレートを用いた。3℃/分の降温速度で100℃から−10℃まで温度を低下させる条件、及び周波数1Hz及び歪1%の条件で測定を行った。得られた測定結果において、損失正接のピーク温度をガラス転移温度Tg(℃)とした。
実施例及び比較例で得られた平均厚さが0.76mmの樹脂膜を25℃相対湿度30%の条件で2時間静置した。その後、JIS K7113「プラスチックの引張試験方法」に準拠し、図3に示すダンベル型(SDK−100)に型取りし、テンシロン試験機により引張試験を実施した。引張試験は25℃相対湿度30%条件で実施し、引張速度は200mm/分とし、破断するまで引張試験を実施した。得られた測定結果において、50Nの荷重がかかった時の伸び量を評価した。
平均厚さが0.76mmの樹脂膜を25℃相対湿度30%の条件で2時間静置した。その後、JIS K7113「プラスチックの引張試験方法」に準拠し、図3に示すダンベル型(SDK−100)に型取りし、テンシロン試験機により引張試験をを行い、応力歪曲線を作成した。引張試験は25℃相対湿度30%条件で実施し、引張速度は200mm/分とし、破断するまで引張試験を実施した。得られた応力歪曲線とx軸とに囲まれた範囲の面積により破断エネルギーを求めた。
合わせガラスを縦50cm、横110cmに切断し、サンプル2を作製した。図4及び図5に示した構造を有するHIC測定装置を用いてサンプルのHICを測定した。図に示すようにHIC装置は、合わせガラスの外周部分を固定するような構造を有している。頭部インパクターは、金属製のコアに半球状の樹脂製ヘッドスキンが取り付けられている。その中に3軸方向の加速度センサーが備え付けられている。頭部インパクターは、NCAP等自動車の認証試験の「歩行者保護性能試験」にて使用される人体の頭部を模したダミーである。図の装置より、合わせガラス中央に35km/hの速度で、頭部インパクターを射出して、合わせガラスに衝突させた。
○○:HICが200以下
○:HICが200を超え、350以下
×:HICが350を超える
2…樹脂膜
2a…第1の表面
2b…第2の表面
11…ガラス板含有積層体(合わせガラス)
12…樹脂膜
13…第1の層(樹脂膜)
14…第2の層(樹脂膜)
15…第3の層(樹脂膜)
13a…外側の表面
15a…外側の表面
21…第1の合わせガラス部材(第1のガラス板)
22…第2の合わせガラス部材
Claims (7)
- ガラス板に貼り合わされて用いられる樹脂膜であって、
熱可塑性樹脂と、可塑剤とを含み、
JIS K7113に準拠した引張試験において、25℃及び50Nの応力負荷後の引張伸びが、120mm以上である、ガラス板貼り合わせ用樹脂膜。 - 前記熱可塑性樹脂がポリビニルアセタール樹脂である、請求項1に記載のガラス板貼り合わせ用樹脂膜。
- 前記可塑剤が、トリエチレングリコールジ−2−エチルヘキサノエートを含み、
前記熱可塑性樹脂100重量部に対して、トリエチレングリコールジ−2−エチルヘキサノエートの含有量が20重量部以上、40重量部以下である、請求項1又は2に記載のガラス板貼り合わせ用樹脂膜。 - ガラス転移温度が10℃以上、40℃以下である、請求項1〜3のいずれか1項に記載のガラス板貼り合わせ用樹脂膜。
- 第1のガラス板と、
請求項1〜4のいずれか1項に記載のガラス板貼り合わせ用樹脂膜とを備え、
前記第1のガラス板に、前記樹脂膜が貼り合わされている、ガラス板含有積層体。 - 第1の合わせガラス部材として前記第1のガラス板と、
前記ガラス板貼り合わせ用樹脂膜と、
第2の合わせガラス部材を備え、
前記第1のガラス板に、前記樹脂膜が貼り合わされており、
前記第2の合わせガラス部材に、前記樹脂膜が貼り合わされており、
前記第1のガラス板と前記第2の合わせガラス部材との間に、前記樹脂膜が配置されている、請求項5に記載のガラス板含有積層体。 - 請求項1〜4のいずれか1項に記載のガラス板貼り合わせ用樹脂膜の製造方法であって、
前記熱可塑性樹脂としてポリビニルアセタール樹脂を得る工程と、
前記ポリビニルアセタール樹脂と、前記可塑剤とを配合した組成物を成形して、ガラス板貼り合わせ用樹脂膜を得る工程とを備え、
前記ポリビニルアセタール樹脂を得る工程は、ポリビニルアルコールとアルデヒドとを混合する混合工程と、前記混合工程により得られる樹脂を熟成させる熟成工程とを含み、
前記熟成工程は、前記混合工程により得られる前記樹脂を熟成温度まで加熱する加熱工程と、前記加熱工程後に直ちに冷却する冷却工程とを含む、ガラス板貼り合わせ用樹脂膜の製造方法。
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JP2020185128A Pending JP2021035904A (ja) | 2014-09-30 | 2020-11-05 | ガラス板貼り合わせ用樹脂膜、ガラス板含有積層体及びガラス板貼り合わせ用樹脂膜の製造方法 |
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EP (1) | EP3202739B1 (ja) |
JP (2) | JP6832062B2 (ja) |
KR (1) | KR102409765B1 (ja) |
CN (1) | CN106715353A (ja) |
MX (1) | MX2017003990A (ja) |
RU (1) | RU2017115011A (ja) |
WO (1) | WO2016052673A1 (ja) |
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FR3068136B1 (fr) * | 2017-06-22 | 2021-04-02 | Saint Gobain | Obtention d'un vitrage resistant a un impact |
CN107245203B (zh) * | 2017-06-29 | 2018-11-13 | 沙河市湡久新材料有限公司 | 主成分树脂和增塑剂在无粘合剂层窗用隔热薄膜的应用方法 |
KR20200034657A (ko) * | 2017-07-24 | 2020-03-31 | 세키스이가가쿠 고교가부시키가이샤 | 수지막 및 유리판 함유 적층체 |
JP2022036347A (ja) * | 2018-10-22 | 2022-03-08 | セントラル硝子株式会社 | 合わせガラスの製造方法 |
KR102555986B1 (ko) | 2018-10-29 | 2023-07-14 | 삼성디스플레이 주식회사 | 윈도우 기판 및 이를 포함하는 플렉서블 표시 장치 |
WO2024172107A1 (ja) * | 2023-02-16 | 2024-08-22 | 積水化学工業株式会社 | 層間充填材、積層体、合わせガラス、画像表示装置及びカバー部材 |
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US3650828A (en) * | 1969-09-04 | 1972-03-21 | Karex Inc | Magnetic coating formulation for recording tape |
JPS5529345B2 (ja) * | 1973-05-16 | 1980-08-02 | ||
JP4057071B2 (ja) * | 1994-11-24 | 2008-03-05 | 積水化学工業株式会社 | ポリビニルアセタールの製造方法、ポリビニルアセタール、合わせガラス用中間膜及び合わせガラス |
MXPA04008765A (es) * | 2002-03-12 | 2004-12-06 | Du Pont | Materiales laminares. rigidos de polivinil-butiral (pvb) de bajo color. |
US7642307B2 (en) * | 2002-03-12 | 2010-01-05 | E.I. Du Pont De Nemours And Company | Low-color stiff PVB laminates |
JP2004067427A (ja) * | 2002-08-05 | 2004-03-04 | Sekisui Chem Co Ltd | 合わせガラス用中間膜および合わせガラス |
JP4339745B2 (ja) | 2003-08-22 | 2009-10-07 | 積水化学工業株式会社 | 合わせガラス及び合わせガラス用中間膜 |
JP4956491B2 (ja) * | 2003-08-22 | 2012-06-20 | 積水化学工業株式会社 | 合わせガラス用中間膜及び合わせガラス |
JP2005112694A (ja) | 2003-10-10 | 2005-04-28 | Toyota Motor Corp | 合わせガラス |
KR100918732B1 (ko) * | 2006-04-25 | 2009-09-24 | 세키스이가가쿠 고교가부시키가이샤 | 합판 유리용 중간막 및 합판 유리 |
EP1977885A1 (en) * | 2007-04-05 | 2008-10-08 | Kuraray Europe GmbH | Interlayer films for laminated glazing containing silica with specific refractive index |
JP5529345B1 (ja) * | 2013-03-22 | 2014-06-25 | 株式会社クラレ | ポリビニルアセタール組成物 |
WO2015019441A1 (ja) * | 2013-08-07 | 2015-02-12 | 株式会社クラレ | ポリビニルアセタールおよびそれを含有する合わせガラス用中間膜 |
JP5766776B2 (ja) * | 2013-12-04 | 2015-08-19 | 株式会社クラレ | 樹脂組成物からなるフィルム |
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JP2021035904A (ja) | 2021-03-04 |
EP3202739A1 (en) | 2017-08-09 |
MX2017003990A (es) | 2017-07-07 |
US20170297309A1 (en) | 2017-10-19 |
JP6832062B2 (ja) | 2021-02-24 |
CN106715353A (zh) | 2017-05-24 |
RU2017115011A (ru) | 2018-11-05 |
KR20170063433A (ko) | 2017-06-08 |
KR102409765B1 (ko) | 2022-06-17 |
EP3202739B1 (en) | 2024-07-31 |
EP3202739A4 (en) | 2018-05-09 |
WO2016052673A1 (ja) | 2016-04-07 |
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