JP2005297581A - Window plate with frame material and method for manufacturing the same - Google Patents

Window plate with frame material and method for manufacturing the same Download PDF

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Publication number
JP2005297581A
JP2005297581A JP2002237005A JP2002237005A JP2005297581A JP 2005297581 A JP2005297581 A JP 2005297581A JP 2002237005 A JP2002237005 A JP 2002237005A JP 2002237005 A JP2002237005 A JP 2002237005A JP 2005297581 A JP2005297581 A JP 2005297581A
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Japan
Prior art keywords
frame material
frame
window plate
window
glass plate
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JP2002237005A
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Japanese (ja)
Inventor
Yasuhiro Shibuya
泰宏 渋谷
Toshihiro Atsumi
利広 厚味
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AGC Inc
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Asahi Glass Co Ltd
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Priority to JP2002237005A priority Critical patent/JP2005297581A/en
Priority to PCT/JP2003/010354 priority patent/WO2004016458A1/en
Priority to AU2003255032A priority patent/AU2003255032A1/en
Publication of JP2005297581A publication Critical patent/JP2005297581A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154Coating solid articles, i.e. non-hollow articles
    • B29C48/155Partial coating thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74Joining plastics material to non-plastics material
    • B29C66/746Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
    • B29C66/7465Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/15Sealing arrangements characterised by the material
    • B60J10/16Sealing arrangements characterised by the material consisting of two or more plastic materials having different physical or chemical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00Sealing arrangements
    • B60J10/70Sealing arrangements specially adapted for windows or windscreens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/001Profiled members, e.g. beams, sections
    • B29L2031/003Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/26Sealing devices, e.g. packaging for pistons or pipe joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/778Windows

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

【課題】窓用板材を高温に予熱することなく、充分な強度で枠材が一体化される枠材付き窓用板材およびその製造方法を提供する。
【解決手段】窓用板材11の周縁部に樹脂製の枠材12が一体化されてなる枠材付き窓用板材において、枠材12は、熱可塑性エラストマーと接着性が付与された熱可塑性エラストマーとを共押出しすることで一体成形された枠材本体13と接着性付与層14とを有しており、接着性付与層14を介して窓用板材の周縁部の少なくとも片面11aに一体化されている枠材付き窓用板材10。
【選択図】図1
A window plate with a frame material in which the frame material is integrated with sufficient strength without preheating the window plate material to a high temperature and a method for manufacturing the same.
In a window plate with a frame material in which a resin frame material 12 is integrated with a peripheral portion of a window plate material 11, the frame material 12 is a thermoplastic elastomer to which adhesiveness is imparted to a thermoplastic elastomer. Are integrally formed on at least one surface 11a of the peripheral portion of the window plate material via the adhesion imparting layer 14. The window board | plate material 10 with the frame material which is.
[Selection] Figure 1

Description

【0001】
【発明の属する技術分野】
本発明は、自動車用窓等に用いるのに好適な、枠材付き窓用板材およびその製造方法に関する。
【0002】
【従来の技術】
従来、自動車等の車両の窓開口部には、枠材付きガラス板(枠材付き窓用板材)が取り付けられている。枠材は、一般に、熱可塑性エラストマー等からなり、熱可塑性エラストマー用接着剤により、ガラス板の周縁部に一体化されている。
【0003】
一般に熱可塑性エラストマーは、ガラス板に一体化されにくい。そこで、ガラス板を例えば100℃以上の高温に予熱することでガラス板に塗布された接着剤を加熱し、その状態で熱可塑性エラストマーからなる枠材を圧着することで、枠材をガラス板に一体化させている。
【0004】
特許第3142985号公報に、このような枠材付きガラス板の製造方法の一例が開示されている。同公報には、ガラス板の面を、オルガノシラン助剤、および分子量が1000〜300000の塩素化ポリオレフィンを基礎とする組成物で処理し、ガラス板を高温に加熱し、枠材をそのガラス板の面に接着することが記載されている。
【0005】
【発明が解決しようとする課題】
上記特許第3142985号公報に記載された方法では、ガラス板を高温に予熱するが、このことがコストアップを招く。すなわち、予熱時間が長くかかるとともに、予熱のための設備やスペースが必要とされる。
また、上記方法では、枠材を充分な強度(常温強度および熱間強度)でガラス板に一体化させることが難しい。
さらに、上記方法により、合わせガラスの周縁部に枠材を一体化しようとすると、不具合が生じることがある。すなわち、合わせガラスを高温に予熱した際に、一対のガラス板の間に配された中間膜にバブルが発生したり、中間膜が収縮して中間膜の収縮に応じてガラス板が変形したりする。
【0006】
本発明の目的は、窓用板材を高温に予熱することなく、充分な強度で枠材が一体化される枠材付き窓用板材およびその製造方法を提供することにある。
【0007】
【課題を解決するための手段】
本発明は、窓用板材と、樹脂製の枠材とを備え、前記窓用板材の周縁部に前記枠材が一体化されてなる枠材付き窓用板材において、前記枠材は、熱可塑性エラストマーと接着性が付与された熱可塑性エラストマーとを共押出しすることで一体成形された枠材本体と接着性付与層とを有しており、前記接着性付与層を介して前記窓用板材の周縁部の少なくとも片面に一体化されていることを特徴とする枠材付き窓用板材を提供する。
また、本発明は、樹脂材料を樹脂成形ダイより所定の形状で押出して枠材を成形し、該枠材を窓用板材の周縁部に一体化させる枠材付き窓用板材の製造方法において、熱可塑性エラストマーと接着性が付与された熱可塑性エラストマーとを共押出しすることで枠材本体と接着性付与層とを有する枠材を成形し、該枠材を前記接着性付与層を介して、所定温度になっている前記窓用板材の予め接着剤を塗布された周縁部の少なくとも片面に一体化させることを特徴とする枠材付き窓用板材の製造方法を提供する。
【0008】
本明細書においていう、接着性付与層は、厚み1mmに単独で成形されて、接着剤としてシランカップリング剤を用いてガラス板に貼り付けられた際に、20N/5mm以上の引張り強度(90°ピール強度)を有するものである。
例えば、熱可塑性エラストマーにポリウレタンを含有したり、熱可塑性エラストマーにシランカップリング剤を含有したりすることで、このような強度を有する接着性付与層が得られる。
窓用板材と枠材本体との間に介在する接着性付与層の厚みが、0.05mm〜1.0mmであることは好ましい。接着性付与層の厚みを0.05mm以上とすることで、充分な接着力が得られる。接着性付与層の厚みを1.0mm以下とすることで、接着性付与層の材料破壊を防止できる。
【0009】
このような接着性付与層を介して、枠材を窓用板材の周縁部の少なくとも片面に一体化させることで枠材付き窓用板材が得られる。この枠材付き窓用板材が自動車等の車両の窓開口部に取り付けられる場合、枠材が窓用板材の周縁部の少なくとも車内側面に一体化されていることは好ましい。車両用の枠材付き窓用板材には、窓用板材の周縁部の車内側面、端面および車外側面に、枠材が一体化されるものがあり、このタイプの枠材付き窓用板材にも本発明を適用できる。しかし、このタイプのように窓用板材の3面に枠材が一体化される場合、接着性付与層を用いなくても、所定の強度で枠材を窓用板材に一体化させることができる。一方、車両用の枠材付き窓用板材には、窓用板材の周縁部の車内側面および端面に(2面に)、枠材が一体化されるものもあるが、このタイプに本発明を適用することは有効である。
枠材を窓用板材の周縁部に一体化させる方法としては、樹脂成形ダイから押出した枠材を圧着部材により窓用板材の周縁部に圧着する方法や、樹脂成形ダイから直接窓用板材に樹脂材料を押出す方法が例示できる。枠材の表面外観が良好な点で、圧着部材を用いた方法が好ましい。
【0010】
窓用板材としては、透明ないし半透明なガラス板や樹脂板を例示できる。充分な透視性を有していれば、有彩色のガラス板や樹脂板でもよい。ガラス板としては、単板のガラス板や合わせガラスを例示できる。さらにガラス板としては強化処理や熱線反射膜等の機能コート処理がなされたものでもよい。
また、熱可塑性エラストマーとしては、押出し成形に用いられる材料が例示できる。例えば塩化ビニルとエチレンの共重合体や、スチレン系、オレフィン系のエラストマーが例示できる。
【0011】
本発明の枠材付き窓用板材およびその製造方法によれば、枠材を窓用板材に一体化させるために、窓用板材および接着剤を100℃等の高温に予熱しないで済む。窓用板材の温度が30℃〜70℃程度になっていれば充分であり、夏期などは予熱をしなくてもよい。そして本発明によれば、枠材を充分な強度で窓用板材に一体化させることを容易に行える。また、窓用板材を高温に予熱しないで済むので、中間膜にバブルが生じるなどの不具合を引き起こすことなく合わせガラスに枠材を一体化させることも容易に行える。したがって、枠材付きの合わせガラスが必要とされる製品(自動車のフロントウインドウ等)として、高品質なものが安価に得られる。
【0012】
【発明の実施の形態】
以下、図面に基づいて本発明の実施形態を詳細に説明する。図1は本発明の第一実施形態である枠材付きガラス板を示す要部断面図である。この枠材付きガラス板10は、自動車のフロントウインドウやリヤウインドウ等に用いることができる。
枠材付きガラス板10は、ガラス板11の周縁部の車内側面11aに、樹脂製の枠材12が一体化されたものである。枠材12は、ガラス板11の周縁部に沿って延び、その全域にわたって枠材本体13と接着性付与層14とを有している。枠材本体13は、接着性付与層14およびガラス板11に塗布された接着剤17を介して、ガラス板11の車内側面11aに接着されている。接着剤17としては、樹脂製の枠材をガラス板11に接着するために従来から使用されていたものを用いることができる。ガラス板11の車内側面11aに黒色セラミック等からなる暗色隠蔽層が設けられて、その暗色隠蔽層の上に接着剤17が塗布されてもよい。
【0013】
枠材本体13は、ガラス板11の端面11bより外周側(図では左側)に突出するリップ部13cを備えている。リップ部13cは、接着性付与層14から離れている。
枠材12より内周側(図では右側)の、ガラス板11の車内側面11aの接着剤17上に、ウレタン19が塗布される。ウレタン19は、枠材付きガラス板10を、図示しない車両窓開口部の取付フランジに接着する。
【0014】
本例では、接着性付与層14が、断面視長方形状に成形されており、その厚み(ガラス板11の厚み方向の寸法;断面視における短辺長さ)Tが、0.05mm〜1.0mmに設定されている。
接着性付与層14と枠材本体13との界面は、それらが共押出しされたものであることから、充分に強固に接合されている。接着性付与層14とガラス板11との界面(接着性付与層14とガラス板11に塗布された接着剤17との界面)も、接着性付与層14の接着機能により、充分に強固に接合されている。
【0015】
図2は本発明の第二実施形態である枠材付きガラス板を示す要部断面図である。この枠材付きガラス板20も、自動車のフロントウインドウやリヤウインドウ等に用いることができる。
枠材付きガラス板20は、ガラス板11の周縁部の車内側面11aおよび端面11bに、樹脂製の枠材22が一体化されたものである。枠材22は、ガラス板11の周縁部に沿って延び、その全域にわたって枠材本体23と接着性付与層24とを有している。本例では、接着性付与層24が断面視L字状に形成されて、ガラス板11の周縁部の車内側面11aおよび端面11bに接合されている。すなわち、接着性付与層24が、ガラス板11の周縁部の車内側面11aに接合される第一部分24aと、ガラス板11の端面11bに接合される第二部分24bとを有している。第1例のときと同様に、ガラス板11と接着性付与層24との間に接着剤が介在してもよいし、接着剤を介在させることなく接着性付与層24をガラス板11に直接接合してもよい。
【0016】
枠材本体23は、ガラス板11の車内側面11a側に位置する第一部分23aと、ガラス板11の端面11b側に位置する第二部分23bとを有している。枠材本体の第一部分23aとガラス板の車内側面11aとの間に、接着性付与層の第一部分24aが介在している。枠材本体の第二部分23bとガラス板の端面11bとの間に、接着性付与層の第二部分24bが介在している。枠材本体23は、ガラス板11の端面11bより外周側(図では左側)に突出するリップ部23cを備えている。リップ部23cは、接着性付与層24から離れている。
接着性付与層24の第一部分24aの厚みT1および第二部分24bの厚みT2は、0.05mm〜1.0mmに設定されている。
【0017】
以下、図3に基づいて、枠材付きガラス板の製造方法の一例を説明する。共押出し機48に取り付けられた成形ダイ49より、熱可塑性エラストマーおよび一般母材に接着性が付与された熱可塑性エラストマーを共押出しして、枠材12を成形する。枠材12を引取機(図示略)により引取り、圧着部材42に進行させて圧着部材42の空洞部内を通過させる。
ガラス板11はロボットアーム40の吸着部43により吸着保持されている。予熱するなどして、ガラス板11の温度を30℃〜70℃程度にしておく。ロボットアーム40を駆動し、ガラス板11の周縁部を圧着部材42の挿入部に挿入し、圧着部材42がガラス板11の周縁部に沿って相対移動するようにガラス板11を移動させる。こうして、圧着部材42の空洞部内を通過した枠材12とガラス板11とを一体化させる。
例えば、特開平9−57812号公報に記載された方法を用いることができる。
【0018】
接着性付与層の機能を確認するために、以下の試験を行った。
枠材サンプルとして、断面長方形状の枠材本体および接着性付与層が共押出しにより一体成形されたものであって接着性付与層の厚みが異なる複数のもの(例1〜例8)を、ガラス板に圧着接合した。ガラス板には黒色セラミックが設けられるとともに、予め接着剤としてシランカップリング剤が塗布され、130℃で5分間予熱されて、枠材サンプル圧着時のガラス板温度は82℃であった。圧着後の枠材サンプル形状が、幅5mm、厚み3mmの、断面視長方形状になるようにした。枠材本体の樹脂材料としては、サントプレーン121−58W175(アドバンスト・エラストマー・システムズ社製)を用い、接着性付与層の樹脂材料としては、サントプレーンX8291−85TL(アドバンスト・エラストマー・システムズ社製)を用いた。
【0019】
上記例1〜例8について、引張り速度300mm/minにて、90°ピール試験を行った。ピール試験では、枠材サンプルが破壊する時、または枠材サンプルがガラス板から剥がれる時の引張り強さ(N/5mm)を測定した。各例について、4回ずつ試験を行った。結果を表1に示す。
【0020】
【表1】

Figure 2005297581
【0021】
表1から明らかなように、接着性付与層の厚みが0.05mm〜1.0mmであれば、枠材サンプルを充分な強度でガラス板に接着させることができた。例1では、接着性付与層が薄すぎたためか、早期に枠材サンプルがガラス板から剥離した。例8では、接着性付与層が厚すぎたためか、早期に接着性付与層と枠材本体との界面が剥離した。
【0022】
なお、本発明は前述した実施形態に限定されるものではなく、適宜な変形、改良等が可能である。
例えば、所定の接着機能が得られる範囲で、断面視における接着性付与層の厚みが枠材の長手方向に沿って変化してもよい。
【0023】
【発明の効果】
以上説明したように、本発明によれば、窓用板材を高温に予熱することなく、充分な強度で枠材が一体化される枠材付き窓用板材およびその製造方法を提供できる。
【図面の簡単な説明】
【図1】本発明実施形態の第1例である枠材付きガラス板の要部断面図である。
【図2】本発明実施形態の第2例である枠材付きガラス板の要部断面図である。
【図3】本発明実施形態の第1例の製造方法を説明する図である。
【符号の説明】
10,20:枠材付きガラス板(枠材付き窓用板材)
11:ガラス板(窓用板材)
11a:車内側面
11b:端面
12,22:枠材
13,23:枠材本体
14,24:接着性付与層[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a frame-equipped window plate suitable for use in automobile windows and the like, and a method for manufacturing the same.
[0002]
[Prior art]
Conventionally, a glass plate with a frame member (window plate member with a frame member) is attached to a window opening of a vehicle such as an automobile. The frame member is generally made of a thermoplastic elastomer or the like, and is integrated with the peripheral portion of the glass plate by an adhesive for thermoplastic elastomer.
[0003]
Generally, a thermoplastic elastomer is difficult to be integrated with a glass plate. Therefore, by preheating the glass plate to a high temperature of, for example, 100 ° C. or higher, the adhesive applied to the glass plate is heated, and in this state, the frame material made of a thermoplastic elastomer is pressure-bonded, so that the frame material is applied to the glass plate. It is integrated.
[0004]
Japanese Patent No. 3142985 discloses an example of a method of manufacturing such a glass plate with a frame material. In this publication, the surface of the glass plate is treated with an organosilane auxiliary and a composition based on chlorinated polyolefin having a molecular weight of 1000 to 300,000, the glass plate is heated to a high temperature, and the frame material is the glass plate. It is described that it adheres to the surface.
[0005]
[Problems to be solved by the invention]
In the method described in the above-mentioned Japanese Patent No. 3142985, the glass plate is preheated to a high temperature, which causes an increase in cost. That is, it takes a long preheating time, and requires equipment and space for preheating.
In the above method, it is difficult to integrate the frame material into the glass plate with sufficient strength (normal temperature strength and hot strength).
Furthermore, if the frame material is to be integrated with the peripheral portion of the laminated glass by the above method, a problem may occur. That is, when the laminated glass is preheated to a high temperature, bubbles are generated in the intermediate film disposed between the pair of glass plates, or the intermediate film contracts and the glass plate deforms in accordance with the contraction of the intermediate film.
[0006]
The objective of this invention is providing the board | plate material with a frame material by which a frame material is integrated with sufficient intensity | strength, without preheating a window board | plate material to high temperature, and its manufacturing method.
[0007]
[Means for Solving the Problems]
The present invention provides a window plate with a frame material comprising a window plate material and a resin frame material, wherein the frame material is integrated with a peripheral portion of the window plate material, wherein the frame material is thermoplastic. It has a frame material body integrally formed by co-extrusion of an elastomer and a thermoplastic elastomer to which adhesiveness is imparted, and an adhesiveness imparting layer, and the window plate material of the window material is interposed through the adhesiveness imparting layer. Provided is a window plate with a frame material, which is integrated with at least one side of a peripheral portion.
Further, the present invention relates to a method for manufacturing a window plate with a frame material, in which a resin material is extruded from a resin molding die in a predetermined shape to form a frame material, and the frame material is integrated with a peripheral portion of the window plate material. A frame material having a frame material body and an adhesion-imparting layer is formed by co-extrusion of the thermoplastic elastomer and the thermoplastic elastomer to which adhesion is imparted, and the frame material is interposed through the adhesion-imparting layer. Provided is a method for producing a window plate with a frame material, wherein the window plate material having a predetermined temperature is integrated with at least one side of a peripheral edge portion to which an adhesive is applied in advance.
[0008]
The adhesion-imparting layer referred to in this specification is formed to a thickness of 1 mm alone, and when adhered to a glass plate using a silane coupling agent as an adhesive, a tensile strength (90 N / 5 mm or more) (90 ° peel strength).
For example, an adhesiveness-imparting layer having such strength can be obtained by containing polyurethane in the thermoplastic elastomer or containing a silane coupling agent in the thermoplastic elastomer.
It is preferable that the thickness of the adhesion-imparting layer interposed between the window plate and the frame body is 0.05 mm to 1.0 mm. Sufficient adhesive force can be obtained by setting the thickness of the adhesion-imparting layer to 0.05 mm or more. By making the thickness of the adhesion-imparting layer 1.0 mm or less, material destruction of the adhesion-imparting layer can be prevented.
[0009]
A window plate with a frame material is obtained by integrating the frame material on at least one side of the peripheral edge of the window plate material through such an adhesion imparting layer. When this window plate with a frame member is attached to a window opening of a vehicle such as an automobile, it is preferable that the frame member is integrated with at least the inner side surface of the peripheral portion of the window plate. Some window plates with frame materials for vehicles have a frame material integrated on the inner side surface, end surface and outer side surface of the periphery of the window plate material. This type of window plate material with frame materials is also included. The present invention can be applied. However, when the frame material is integrated on three surfaces of the window plate material as in this type, the frame material can be integrated with the window plate material with a predetermined strength without using an adhesion-imparting layer. . On the other hand, some window plates with frame materials for vehicles have a frame material integrated on the vehicle inner side surface and end surface (on two surfaces) of the peripheral portion of the window plate material. It is effective to apply.
As a method of integrating the frame material with the peripheral portion of the window plate material, a method of pressing the frame material extruded from the resin molding die to the peripheral portion of the window plate material with a crimping member, or directly from the resin molding die to the window plate material A method of extruding a resin material can be exemplified. A method using a crimping member is preferable in that the surface appearance of the frame material is good.
[0010]
Examples of the window plate material include transparent or translucent glass plates and resin plates. A chromatic glass plate or resin plate may be used as long as it has sufficient transparency. Examples of the glass plate include a single glass plate and laminated glass. Further, the glass plate may be subjected to a functional coating treatment such as a tempering treatment or a heat ray reflective film.
Moreover, as a thermoplastic elastomer, the material used for extrusion molding can be illustrated. For example, a copolymer of vinyl chloride and ethylene, and a styrene or olefin elastomer can be exemplified.
[0011]
According to the window plate with a frame material and the manufacturing method thereof of the present invention, the window plate material and the adhesive need not be preheated to a high temperature such as 100 ° C. in order to integrate the frame material with the window plate material. It is sufficient that the temperature of the window plate is about 30 ° C. to 70 ° C., and it is not necessary to preheat in summer. According to the present invention, the frame material can be easily integrated with the window plate material with sufficient strength. In addition, since it is not necessary to preheat the window plate material to a high temperature, it is possible to easily integrate the frame material into the laminated glass without causing problems such as bubbles in the intermediate film. Therefore, a high-quality product can be obtained at a low cost as a product (such as a front window of an automobile) that requires a laminated glass with a frame material.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view of an essential part showing a framed glass plate according to a first embodiment of the present invention. This glass plate 10 with a frame material can be used for a front window, a rear window, etc. of an automobile.
The glass plate 10 with a frame material is obtained by integrating a frame material 12 made of resin with a vehicle inner side surface 11 a at the peripheral edge of the glass plate 11. The frame member 12 extends along the peripheral edge of the glass plate 11 and has a frame member body 13 and an adhesion providing layer 14 over the entire region. The frame main body 13 is bonded to the vehicle interior side surface 11 a of the glass plate 11 through the adhesiveness imparting layer 14 and the adhesive 17 applied to the glass plate 11. As the adhesive 17, an adhesive that has been conventionally used for bonding a resin frame material to the glass plate 11 can be used. A dark color hiding layer made of black ceramic or the like may be provided on the inner surface 11a of the glass plate 11, and the adhesive 17 may be applied on the dark color hiding layer.
[0013]
The frame main body 13 includes a lip portion 13 c that protrudes from the end surface 11 b of the glass plate 11 to the outer peripheral side (left side in the figure). The lip portion 13 c is separated from the adhesion providing layer 14.
Urethane 19 is applied on the adhesive 17 on the inner surface 11a of the glass plate 11 on the inner peripheral side (right side in the figure) from the frame member 12. The urethane 19 adheres the frame-attached glass plate 10 to a mounting flange of a vehicle window opening (not shown).
[0014]
In this example, the adhesion-imparting layer 14 is formed in a rectangular shape in cross section, and its thickness (dimension in the thickness direction of the glass plate 11; short side length in cross section) T is 0.05 mm to 1. It is set to 0 mm.
The interface between the adhesion-imparting layer 14 and the frame material main body 13 is co-extruded, and thus is sufficiently firmly bonded. The interface between the adhesion-imparting layer 14 and the glass plate 11 (interface between the adhesion-imparting layer 14 and the adhesive 17 applied to the glass plate 11) is also bonded sufficiently firmly by the adhesive function of the adhesion-imparting layer 14. Has been.
[0015]
FIG. 2 is a cross-sectional view of an essential part showing a framed glass plate according to a second embodiment of the present invention. This frame-attached glass plate 20 can also be used for a front window and a rear window of an automobile.
The glass plate 20 with a frame member is obtained by integrating a resin frame member 22 on the inner surface 11 a and the end surface 11 b of the peripheral edge of the glass plate 11. The frame material 22 extends along the peripheral edge of the glass plate 11 and has a frame material main body 23 and an adhesion providing layer 24 over the entire region. In this example, the adhesion imparting layer 24 is formed in an L shape in cross section, and is joined to the vehicle interior side surface 11 a and the end surface 11 b at the peripheral edge of the glass plate 11. That is, the adhesion imparting layer 24 has a first portion 24 a that is joined to the inner surface 11 a of the peripheral edge of the glass plate 11 and a second portion 24 b that is joined to the end surface 11 b of the glass plate 11. As in the case of the first example, an adhesive may be interposed between the glass plate 11 and the adhesion-imparting layer 24, or the adhesion-imparting layer 24 may be directly attached to the glass plate 11 without interposing an adhesive. You may join.
[0016]
The frame body 23 has a first portion 23 a located on the side of the vehicle inner surface 11 a of the glass plate 11 and a second portion 23 b located on the end surface 11 b side of the glass plate 11. The first portion 24a of the adhesion providing layer is interposed between the first portion 23a of the frame body and the inner surface 11a of the glass plate. Between the second part 23b of the frame body and the end face 11b of the glass plate, the second part 24b of the adhesion providing layer is interposed. The frame main body 23 includes a lip portion 23 c that protrudes from the end surface 11 b of the glass plate 11 to the outer peripheral side (left side in the drawing). The lip portion 23 c is separated from the adhesion imparting layer 24.
The thickness T1 of the first portion 24a and the thickness T2 of the second portion 24b of the adhesion providing layer 24 are set to 0.05 mm to 1.0 mm.
[0017]
Hereinafter, based on FIG. 3, an example of the manufacturing method of the glass plate with a frame material is demonstrated. The frame material 12 is formed by co-extruding a thermoplastic elastomer and a thermoplastic elastomer having an adhesive property imparted to a general base material from a forming die 49 attached to the co-extruder 48. The frame material 12 is taken up by a take-up machine (not shown) and is advanced to the crimping member 42 to pass through the cavity of the crimping member 42.
The glass plate 11 is held by suction by the suction part 43 of the robot arm 40. The temperature of the glass plate 11 is set to about 30 ° C. to 70 ° C. by preheating or the like. The robot arm 40 is driven, the peripheral edge portion of the glass plate 11 is inserted into the insertion portion of the pressure bonding member 42, and the glass plate 11 is moved so that the pressure bonding member 42 relatively moves along the peripheral edge portion of the glass plate 11. Thus, the frame member 12 and the glass plate 11 that have passed through the cavity of the crimping member 42 are integrated.
For example, the method described in JP-A-9-57812 can be used.
[0018]
In order to confirm the function of the adhesion-imparting layer, the following test was performed.
As frame material samples, a frame material body having a rectangular cross section and an adhesion-imparting layer are integrally formed by coextrusion, and a plurality of examples (Examples 1 to 8) having different thicknesses of the adhesion-imparting layer are made of glass. Crimped to the plate. The glass plate was provided with black ceramic, and a silane coupling agent was previously applied as an adhesive, preheated at 130 ° C. for 5 minutes, and the glass plate temperature at the time of pressing the frame sample was 82 ° C. The shape of the frame material sample after the crimping was made to be a rectangular shape in cross section with a width of 5 mm and a thickness of 3 mm. Santplane 121-58W175 (manufactured by Advanced Elastomer Systems) is used as the resin material of the frame body, and Santoprene X8291-85TL (manufactured by Advanced Elastomer Systems) is used as the resin material for the adhesion imparting layer. Was used.
[0019]
About the said Example 1- Example 8, the 90 degree peel test was done at the pulling speed of 300 mm / min. In the peel test, the tensile strength (N / 5 mm) was measured when the frame material sample broke or when the frame material sample peeled from the glass plate. Each example was tested four times. The results are shown in Table 1.
[0020]
[Table 1]
Figure 2005297581
[0021]
As apparent from Table 1, when the thickness of the adhesion-imparting layer was 0.05 mm to 1.0 mm, the frame material sample could be adhered to the glass plate with sufficient strength. In Example 1, the frame material sample peeled from the glass plate at an early stage because the adhesion-imparting layer was too thin. In Example 8, because the adhesion-imparting layer was too thick, the interface between the adhesion-imparting layer and the frame material body peeled off early.
[0022]
In addition, this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, the thickness of the adhesion-imparting layer in a cross-sectional view may vary along the longitudinal direction of the frame material within a range where a predetermined adhesion function is obtained.
[0023]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a window plate with a frame material in which the frame material is integrated with sufficient strength without preheating the window plate material to a high temperature, and a method for manufacturing the same.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part of a glass plate with a frame material as a first example of an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a main part of a glass plate with a frame material that is a second example of the embodiment of the present invention.
FIG. 3 is a drawing for explaining the manufacturing method of the first example of the embodiment of the present invention.
[Explanation of symbols]
10, 20: Glass plate with frame material (plate material for window with frame material)
11: Glass plate (plate material for windows)
11a: Car interior side surface 11b: End surfaces 12, 22: Frame material 13, 23: Frame material body 14, 24: Adhesion imparting layer

Claims (4)

窓用板材と、樹脂製の枠材とを備え、前記窓用板材の周縁部に前記枠材が一体化されてなる枠材付き窓用板材において、前記枠材は、熱可塑性エラストマーと接着性が付与された熱可塑性エラストマーとを共押出しすることで一体成形された枠材本体と接着性付与層とを有しており、前記接着性付与層を介して前記窓用板材の周縁部の少なくとも片面に一体化されていることを特徴とする枠材付き窓用板材。A window plate with a frame material comprising a window plate material and a resin frame material, wherein the frame material is integrated with a peripheral portion of the window plate material, wherein the frame material is bonded to a thermoplastic elastomer. A frame material body integrally formed by co-extrusion with a thermoplastic elastomer provided with an adhesiveness-imparting layer, and at least a peripheral portion of the window plate member through the adhesiveness-imparting layer A window plate with a frame material, which is integrated on one side. 前記窓用板材と前記枠材本体との間に介在する前記接着性付与層の厚みが0.05mm〜1.0mmである請求項1に記載の枠材付き窓用板材。The window material with a frame material according to claim 1, wherein a thickness of the adhesion providing layer interposed between the window material and the frame material body is 0.05 mm to 1.0 mm. 樹脂材料を樹脂成形ダイより所定の形状で押出して枠材を成形し、該枠材を窓用板材の周縁部に一体化させる枠材付き窓用板材の製造方法において、熱可塑性エラストマーと接着性が付与された熱可塑性エラストマーとを共押出しすることで枠材本体と接着性付与層とを有する枠材を成形し、該枠材を前記接着性付与層を介して、所定温度になっている前記窓用板材の予め接着剤を塗布された周縁部の少なくとも片面に一体化させることを特徴とする枠材付き窓用板材の製造方法。In a method for manufacturing a window plate with a frame material, a resin material is extruded from a resin molding die in a predetermined shape to form a frame material, and the frame material is integrated with a peripheral portion of the window plate material. A frame material having a frame material main body and an adhesion-imparting layer is formed by co-extrusion with a thermoplastic elastomer to which is applied, and the frame material is at a predetermined temperature via the adhesion-imparting layer. A method for producing a window plate with a frame material, wherein the window plate material is integrated with at least one side of a peripheral edge portion to which an adhesive has been applied in advance. 前記窓用板材と前記枠材本体との間に介在する前記接着性付与層の厚みが0.05mm〜1.0mmとなるように、前記熱可塑性エラストマーと前記接着性が付与された熱可塑性エラストマーとを共押出しする請求項3に記載の枠材付き窓用板材の製造方法。The thermoplastic elastomer and the thermoplastic elastomer to which the adhesiveness is imparted so that the thickness of the adhesion-imparting layer interposed between the window plate and the frame body is 0.05 mm to 1.0 mm. The manufacturing method of the board | plate material with a frame material of Claim 3 coextruded.
JP2002237005A 2002-08-15 2002-08-15 Window plate with frame material and method for manufacturing the same Pending JP2005297581A (en)

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WO2018110293A1 (en) * 2016-12-12 2018-06-21 東レ株式会社 Integrally molded body and method for producing same
JPWO2018110293A1 (en) * 2016-12-12 2019-10-24 東レ株式会社 Integrated molded body and manufacturing method thereof
US20190389174A1 (en) * 2016-12-12 2019-12-26 Toray Industries, Inc. Integrally molded body and method of producing same
EP3552794A4 (en) * 2016-12-12 2020-11-04 Toray Industries, Inc. Integrally molded body and method for producing same
US11110685B2 (en) 2016-12-12 2021-09-07 Toray Industries, Inc. Integrally molded body and method of producing same
JP6992512B2 (en) 2016-12-12 2022-01-13 東レ株式会社 Integrated molded body and its manufacturing method

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