JPS61287741A - Mat film - Google Patents
Mat filmInfo
- Publication number
- JPS61287741A JPS61287741A JP13120685A JP13120685A JPS61287741A JP S61287741 A JPS61287741 A JP S61287741A JP 13120685 A JP13120685 A JP 13120685A JP 13120685 A JP13120685 A JP 13120685A JP S61287741 A JPS61287741 A JP S61287741A
- Authority
- JP
- Japan
- Prior art keywords
- film
- resin
- terephthalic acid
- isophthalic acid
- layer
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 20
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005668 polycarbonate resin Polymers 0.000 claims description 12
- 239000004431 polycarbonate resin Substances 0.000 claims description 12
- 229920001230 polyarylate Polymers 0.000 claims description 11
- 239000004645 polyester resin Substances 0.000 claims description 9
- 229920001225 polyester resin Polymers 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 description 18
- 229930185605 Bisphenol Natural products 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
- 238000012695 Interfacial polymerization Methods 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009820 dry lamination Methods 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- CDMACSHLSBAJGG-UHFFFAOYSA-N 3-phenoxycarbonylbenzoic acid Chemical class OC(=O)C1=CC=CC(C(=O)OC=2C=CC=CC=2)=C1 CDMACSHLSBAJGG-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 1
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明はポリアリレート樹脂とポリエステル樹脂との延
伸された組成物層を片面あるいは両面に持つポリカーボ
ネート樹脂マントフィルムに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a polycarbonate resin mantle film having a stretched composition layer of polyarylate resin and polyester resin on one or both sides.
(従来の技術及び発明が解決しようとする問題点)マッ
トフィルムについては一般に、フィルム表面に硬い粒状
物を吹き付けて粗面化する所謂、サンドブラスト法、フ
ィルム表面に無機粒子等を含有した樹脂をコートする方
法、フィルム樹脂の中に5t(h 、 TiO2等の
無機粒子を予め練込んでおく方法、あるいは酸や溶媒等
でフィルム表面を侵蝕させるケミカルエツチング法等が
あり、ポリカーボネートフィルムの粗面化も、主にサン
ドブラスト法あるいはコート法で実施されているのが現
状である。また、一方有機合成樹脂を添加して粗面化す
る方法も検討されており、ポリエステルフィルムの場合
1例えば特公昭55−12368号公報には線状ポリエ
ステル樹脂とポリカーボネートおよびそれ以外の2種以
上の高分子重合体の組合わせ例が、また特公昭58−2
8096号公報には、線状ポリエステル樹脂とフェノキ
シ樹脂の組合わせ例が記載されている。また、特公昭5
8−28097号公報G号公報状ポリエステル樹脂とポ
リアリレート樹脂との組合わせの例が記載されている。(Prior art and problems to be solved by the invention) Matte films are generally produced using the so-called sandblasting method, which roughens the film surface by spraying hard particles onto it, or by coating the film surface with a resin containing inorganic particles. There are methods such as a method in which inorganic particles such as 5T(h) and TiO2 are kneaded into the film resin in advance, and a chemical etching method in which the film surface is eroded with acid or solvent. At present, this is mainly carried out by sandblasting or coating.Also, methods of roughening the surface by adding organic synthetic resins are also being considered, and in the case of polyester films, for example, Japanese Patent Publication No. 12368 describes an example of a combination of linear polyester resin, polycarbonate, and two or more other polymers, and Japanese Patent Publication No. 58-2
No. 8096 describes an example of a combination of a linear polyester resin and a phenoxy resin. In addition, the special public
No. 8-28097 and No. G disclose examples of combinations of polyester resins and polyarylate resins.
しかし、ポリカーボネート樹脂フィルムの場合は延伸が
困難であるため、このような方法を採ることは不可能で
ある。そのため粗面化による大きなコスト上昇が避けら
れなかった。また、ポリカーボネート樹脂フィルムは2
寸法安定性が悪くスクリーン印刷等の加工時に印刷ピン
チずれを起こし易い等の問題があった。However, in the case of a polycarbonate resin film, it is difficult to stretch it, so it is impossible to use such a method. Therefore, a large cost increase due to roughening of the surface was unavoidable. In addition, the polycarbonate resin film is
There were problems such as poor dimensional stability and easy printing pinch deviation during processing such as screen printing.
(問題点を解決するための手段)
本発明者等はかかる問題につき、鋭意研究を重ねた結果
次のようなマントフィルムを発明するに至った。すなわ
ち、テレフタル酸とイソフタル酸(但し、テレフタル酸
基とイソフタル酸基のモル比は9:1ないし1:9)お
よび2価のフェノール性化合物とよりなるポリアリレー
ト樹脂5〜50部とポリエステル95〜50部との組成
物層が、少なくとも一方向に1.5倍以上延伸されてお
り、かつポリカーボネート樹脂層の片面あるいは両面に
積層されていることを特徴とするマントフィルムである
。以下1本発明の詳細な説明する。(Means for Solving the Problems) The inventors of the present invention have conducted intensive research on the above problems, and as a result, they have invented the following cloak film. That is, 5 to 50 parts of a polyarylate resin consisting of terephthalic acid and isophthalic acid (however, the molar ratio of terephthalic acid groups to isophthalic acid groups is 9:1 to 1:9) and a divalent phenolic compound, and 95 to 95 parts of polyester. 50 parts of the composition layer is stretched by 1.5 times or more in at least one direction, and is laminated on one or both sides of the polycarbonate resin layer. The present invention will be explained in detail below.
本発明マントフィルムは、粗面化の必要な面のみを積層
法により粗面化しており、他の部分はポリカーボネート
樹脂のみで構成されているので。In the mantle film of the present invention, only the surface that needs to be roughened is roughened by a lamination method, and the other parts are composed only of polycarbonate resin.
粗面化加工の費用が不要となり、コストを飛躍的に下げ
ることができる。また1表面マント層は延伸ポリエステ
ル層であるので優れた機械的特性と寸法安定性を持って
おり、ポリカーボネート樹脂層の機械的特性と寸法安定
性が改善される。There is no need for surface roughening, and costs can be dramatically reduced. Furthermore, since the first surface mantle layer is a stretched polyester layer, it has excellent mechanical properties and dimensional stability, and the mechanical properties and dimensional stability of the polycarbonate resin layer are improved.
(作用)
本発明に述べるポリアリレート樹脂はテレフタル酸とイ
ソフタル酸およびビスフェノール類とよりなる共重合ポ
リエステルであって、その製造方法としては水と相溶し
ない有機溶剤に溶解したテレフタル酸およびイソフタル
酸のジクロリドとアルカリ水溶液に溶解したビスフェノ
ール類と界面重合する方法、テレフタル酸およびイソフ
タル酸のジクロリドとビスフェノール類とを有機溶剤中
で重合する方法、テレフタル酸およびイソフタル酸とビ
スフェノール類を無水酢酸の存在下で加熱溶融重合する
方法、テレフタル酸およびイソフタル酸のフェニルエス
テルとビスフェノール類ヲ加熱溶融重合する方法、テレ
フタル酸およびイソフタル酸とビスフェノール類をジア
リルカーボネートの存在下で加熱溶融重合する方法等が
あるが。(Function) The polyarylate resin described in the present invention is a copolymerized polyester composed of terephthalic acid, isophthalic acid, and bisphenols, and the method for producing it involves the production of terephthalic acid and isophthalic acid dissolved in an organic solvent that is incompatible with water. A method of interfacial polymerization of dichloride and bisphenols dissolved in an alkaline aqueous solution, a method of polymerizing dichloride of terephthalic acid and isophthalic acid and bisphenols in an organic solvent, a method of polymerizing terephthalic acid and isophthalic acid and bisphenols in the presence of acetic anhydride. There are methods of heat melt polymerization of terephthalic acid and isophthalic acid phenyl esters and bisphenols, and heat melt polymerization of terephthalic acid and isophthalic acid and bisphenols in the presence of diallyl carbonate.
特にこれらに限定されるものではない。It is not particularly limited to these.
また1本発明に述べるポリエステル樹脂はテレフタル酸
、イソフタル酸、バラオキシ安息香酸等の酸成分とエチ
レングリコール、テトラメチレングリコール等のジオー
ル成分との重縮合物であって、これらの2種以上の混合
物でも良い。代表的なものとしてポリエチレンテレフタ
レートあるいはポリブチレンテレフタレートがあり、こ
れらは性能的1価格的に見て良好なものである。In addition, the polyester resin described in the present invention is a polycondensate of an acid component such as terephthalic acid, isophthalic acid, or hydroxybenzoic acid and a diol component such as ethylene glycol or tetramethylene glycol, and may be a mixture of two or more of these. good. Typical examples include polyethylene terephthalate and polybutylene terephthalate, which are good in terms of performance and price.
また、架橋剤を添加しておいたり、架橋可能な分岐を設
けたりして延伸前あるいは延伸後に熱。In addition, a crosslinking agent may be added or crosslinkable branches may be added and heat applied before or after stretching.
光あるいは放射線等で架橋させることも本願発明の範囲
に含まれるものである。ポリアリレート樹脂とポリエス
テル樹脂との混練は通常の単軸あるいは二軸押出機で実
施できるが、特にこれらの方法に限定されない。また、
ポリアリレート樹脂含有層とポリカーボネート75との
積層方法についても特に限定されないが、ホットメルト
ラミネート法、ドライラミネート法、押出ラミネート法
等が操業性、生産性を考慮すると有効な方法である。Crosslinking with light or radiation is also within the scope of the present invention. The polyarylate resin and the polyester resin can be kneaded using a conventional single-screw or twin-screw extruder, but the method is not particularly limited to these. Also,
The method of laminating the polyarylate resin-containing layer and the polycarbonate 75 is not particularly limited, but hot melt lamination, dry lamination, extrusion lamination, etc. are effective methods in consideration of operability and productivity.
尚1本発明マットフィルムのいずれかの層に。In addition, 1 to any layer of the matte film of the present invention.
物性を損なわない範囲でスリップ性改良剤や熱安定剤等
を添加することも可能である。ポリアリレート樹脂とポ
リエステル樹脂より、なる未延伸フィルムは、そのまま
では表面が滑らかでマントフィルムとして使用できない
が、延伸されることにより表面が粗面化される。延伸倍
率は少なくとも一方向に1.5倍以上、好ましくは2倍
以上が必要である。また、縦横のバランスの良いフィル
ムを得る場合は、縦横に1.5倍以上、好ましくは2倍
以上二軸延伸することが必要である。延伸温度は80℃
〜120°Cが好ましい。また、二軸延伸の場合は逐次
二段延伸でも同時二軸延伸でも良い。延伸後の熱セツト
温度は220℃以上が好ましい。It is also possible to add slip property improvers, heat stabilizers, etc. to the extent that physical properties are not impaired. An unstretched film made of polyarylate resin and polyester resin has a smooth surface and cannot be used as a cloak film as it is, but the surface becomes rough when stretched. The stretching ratio needs to be 1.5 times or more, preferably 2 times or more in at least one direction. Further, in order to obtain a film with good balance in the length and width, it is necessary to perform biaxial stretching in the length and width by a factor of 1.5 or more, preferably a time of 2 or more. Stretching temperature is 80℃
~120°C is preferred. Moreover, in the case of biaxial stretching, sequential two-stage stretching or simultaneous biaxial stretching may be used. The heat setting temperature after stretching is preferably 220°C or higher.
また3本願発明に述べるポリカーボネート樹脂は、ビス
フェノール八とジフェニルカーボネートよりエステル交
換法で作る方法、ビスフェノール八とホスゲンより合成
する所謂ホスゲン法で作る方法等で製造されるが、特に
これらの方法に限定はされない。また、ポリカーボネー
ト樹脂のフィルム化は270℃〜320℃に熔融した後
、ダイより押出して成膜する方法が一般的であるが、特
に限定はされない。In addition, the polycarbonate resin described in the present invention can be produced by a transesterification method using bisphenol 8 and diphenyl carbonate, or a so-called phosgene method in which bisphenol 8 is synthesized from phosgene, but there is no particular limitation to these methods. Not done. Further, the general method for forming a film from polycarbonate resin is to melt the resin at 270° C. to 320° C. and then extrude it through a die to form a film, but there is no particular limitation.
(実施例) 以下、実施例により詳述する。(Example) Hereinafter, it will be explained in detail using examples.
実施例1
テレフタル酸ジクロリド/イソフタル酸ジクロリドの比
が5:5の混合酸クロリドの塩化メチレン溶液とアルカ
リ水溶液に熔解したビスフェノール八との界面重合によ
りポリアリレート樹脂を製造した。このポリアリレート
樹脂とポリエチレンテレフタレート樹脂を2:8の比で
二軸押出機で加熱混合し、チップ化を行った。Example 1 A polyarylate resin was produced by interfacial polymerization of a methylene chloride solution of a mixed acid chloride having a ratio of terephthalic acid dichloride/isophthalic acid dichloride of 5:5 and bisphenol 8 dissolved in an aqueous alkaline solution. This polyarylate resin and polyethylene terephthalate resin were heated and mixed at a ratio of 2:8 using a twin screw extruder to form chips.
次にこれらのチップを60mm押出機で280°Cに溶
解し、Tダイより押出して厚さ150μの未延伸フィル
ムを作った。この未延伸フィルムをロール式縦′延伸機
により90°Cで縦方向に3.3倍延伸し、続い710
0℃でテンタ一式横延伸機により横方向に3.5倍延伸
した後、直ちに230°Cで熱セントを行った。一方、
ポリカーボネート樹脂を単軸押出機で310°Cに溶融
し、Tダイより押出して厚さ150μのフィルムを作っ
た。Next, these chips were melted at 280° C. using a 60 mm extruder and extruded from a T-die to produce an unstretched film with a thickness of 150 μm. This unstretched film was stretched 3.3 times in the longitudinal direction at 90°C using a roll-type longitudinal stretching machine, and then stretched at 710°C.
After stretching 3.5 times in the transverse direction at 0°C using a tenter-equipped transverse stretching machine, the film was immediately subjected to heat centrifugation at 230°C. on the other hand,
Polycarbonate resin was melted at 310°C using a single-screw extruder and extruded through a T-die to form a film with a thickness of 150μ.
上記のポリアリレート樹脂、ポリエステル樹脂混合フィ
ルムとポリカーボネート樹脂フィルムとをウレタン系接
着剤を用いてドライラミネート法により積層した。積層
フィルムの機械的性能は表1のような結果であり、従来
のポリカーボネート単層フィルムに較べて優れたもので
あった。The above polyarylate resin/polyester resin mixed film and polycarbonate resin film were laminated by a dry lamination method using a urethane adhesive. The mechanical performance of the laminated film was as shown in Table 1, and was superior to conventional single-layer polycarbonate films.
(発明の効果)
上述した如く本発明マントフィルムは、従来のポリカー
ボネート樹脂単層マットフィルムに較べて価格、透明性
1機械的特性、マント性1寸法安定性等が飛躍的に改善
されており、実用に耐えるものである。(Effects of the Invention) As described above, the cloak film of the present invention has dramatically improved price, transparency, mechanical properties, cloak property, dimensional stability, etc., compared to conventional polycarbonate resin single-layer matte films. It is practical.
故に本発明マントフィルムはフィルムキーボード、ディ
スプレイ、製図用トレーシングフィルム。Therefore, the cloak film of the present invention can be used as a tracing film for film keyboards, displays, and drafting.
第2原図、ラベル、離型フィルム、スタンピングホイル
等に使用でき極めて満足するものが得られた。An extremely satisfactory product was obtained that could be used for second original drawings, labels, release films, stamping foils, etc.
Claims (1)
酸基とイソフタル酸基のモル比は9:1ないし1:9)
および2価のフェノール性化合物とよりなるポリアリレ
ート樹脂5〜50とポリエステル樹脂95〜50部との
組成物層が少なくとも一方向に1.5倍以上延伸されて
おり、かつポリカーボネート樹脂層の片面あるいは両面
に積層されていることを特徴とするマットフィルム。(1) Terephthalic acid and isophthalic acid (however, the molar ratio of terephthalic acid group and isophthalic acid group is 9:1 to 1:9)
A composition layer of 5 to 50 parts of a polyarylate resin and 95 to 50 parts of a polyester resin comprising a divalent phenolic compound is stretched 1.5 times or more in at least one direction, and one side of the polycarbonate resin layer or A matte film characterized by being laminated on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13120685A JPS61287741A (en) | 1985-06-17 | 1985-06-17 | Mat film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13120685A JPS61287741A (en) | 1985-06-17 | 1985-06-17 | Mat film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61287741A true JPS61287741A (en) | 1986-12-18 |
| JPH0450907B2 JPH0450907B2 (en) | 1992-08-17 |
Family
ID=15052521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13120685A Granted JPS61287741A (en) | 1985-06-17 | 1985-06-17 | Mat film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61287741A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0733470A4 (en) * | 1994-09-30 | 1997-08-27 | Kanegafuchi Chemical Ind | Laminated heat-resistant optical plastic sheet and process for producing the same |
-
1985
- 1985-06-17 JP JP13120685A patent/JPS61287741A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0733470A4 (en) * | 1994-09-30 | 1997-08-27 | Kanegafuchi Chemical Ind | Laminated heat-resistant optical plastic sheet and process for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450907B2 (en) | 1992-08-17 |
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