JPH0357071U - - Google Patents
Info
- Publication number
- JPH0357071U JPH0357071U JP11721289U JP11721289U JPH0357071U JP H0357071 U JPH0357071 U JP H0357071U JP 11721289 U JP11721289 U JP 11721289U JP 11721289 U JP11721289 U JP 11721289U JP H0357071 U JPH0357071 U JP H0357071U
- Authority
- JP
- Japan
- Prior art keywords
- adhesive layer
- transparent film
- composite sheet
- base material
- sensitive adhesive
- 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
Links
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims 4
- 230000001070 adhesive effect Effects 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 229920000306 polymethylpentene Polymers 0.000 claims 1
- 239000011116 polymethylpentene Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
Description
第１図は、本考案の複合シートの一例を示した
断面構成図である。第２図は、本考案の複合シー
トの他の例を示した断面構成図である。第３図ａ
〜ｃは、本考案の複合シートを用いて情報記録体
を密閉する方法を示した図である。
１…透明フイルム基材、２…感熱性接着剤層、
３…接着剤層、５…複合シート、８…剥離紙、１
０…基紙、２０…表面処理面。
FIG. 1 is a sectional view showing an example of the composite sheet of the present invention. FIG. 2 is a cross-sectional configuration diagram showing another example of the composite sheet of the present invention. Figure 3a
-c are diagrams showing a method of sealing an information recording medium using the composite sheet of the present invention. 1...Transparent film base material, 2...Thermosensitive adhesive layer,
3... Adhesive layer, 5... Composite sheet, 8... Release paper, 1
0...Base paper, 20...Surface treated surface.
Claims (1)
熱性接着剤層２、該透明フイルム基材１の上面に
接着剤層３を積層せしめた複合シートであつて、
前記透明フイルム基材１と感熱性接着剤層２との
界面接着強度が１０〜７０ｇ／５cmであると共に
、前記透明フイルム基材１と接着剤層３との間の
界面接着強度が、該透明フイルム基材１と感熱性
接着剤層２との間の界面接着強度よりも強いこと
を特徴とする複合シート。 ２ 透明フイルム基材１の上面が表面処理されて
いると共に、接着剤層３が感熱性接着剤である請
求項１に記載の複合シート。 ３ 透明フイルム基材１の上面に感圧性接着剤か
らなる接着剤層３が積層されていると共に、該接
着剤層３の上面に剥離紙８が被覆されている請求
項１に記載の複合シート。 ４ 透明フイルム基材１がポリメチルペンテンで
ある請求項１〜３の何れかに記載の複合シート。 ５ 請求項１〜４の何れかに記載の複合シート５
を、情報を記録した基紙で挟み両者を接着せしめ
てなる情報記録体。[Claims for Utility Model Registration] 1. A composite sheet comprising at least a heat-sensitive adhesive layer 2 laminated on the lower surface of a transparent film substrate 1 and an adhesive layer 3 laminated on the upper surface of the transparent film substrate 1,
The interfacial adhesive strength between the transparent film base material 1 and the heat-sensitive adhesive layer 2 is 10 to 70 g/5 cm, and the interfacial adhesive strength between the transparent film base material 1 and the adhesive layer 3 is 10 to 70 g/5 cm. A composite sheet characterized by having stronger interfacial adhesive strength between a film base material 1 and a heat-sensitive adhesive layer 2. 2. The composite sheet according to claim 1, wherein the upper surface of the transparent film substrate 1 is surface-treated and the adhesive layer 3 is a heat-sensitive adhesive. 3. The composite sheet according to claim 1, wherein an adhesive layer 3 made of a pressure-sensitive adhesive is laminated on the upper surface of the transparent film substrate 1, and a release paper 8 is coated on the upper surface of the adhesive layer 3. . 4. The composite sheet according to any one of claims 1 to 3, wherein the transparent film base material 1 is polymethylpentene. 5 Composite sheet 5 according to any one of claims 1 to 4
An information recording body made by sandwiching a base paper with information recorded on it and gluing the two together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11721289U JPH0357071U (en) | 1989-10-05 | 1989-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11721289U JPH0357071U (en) | 1989-10-05 | 1989-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0357071U true JPH0357071U (en) | 1991-05-31 |
Family
ID=31665445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11721289U Pending JPH0357071U (en) | 1989-10-05 | 1989-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357071U (en) |
-
1989
- 1989-10-05 JP JP11721289U patent/JPH0357071U/ja active Pending
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