JPS56118476A - Adhesive tape - Google Patents

Adhesive tape

Info

Publication number
JPS56118476A
JPS56118476A JP2110880A JP2110880A JPS56118476A JP S56118476 A JPS56118476 A JP S56118476A JP 2110880 A JP2110880 A JP 2110880A JP 2110880 A JP2110880 A JP 2110880A JP S56118476 A JPS56118476 A JP S56118476A
Authority
JP
Japan
Prior art keywords
adhesive layer
film
λtd
λmd
sheet
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
Application number
JP2110880A
Other languages
Japanese (ja)
Inventor
Toshiyuki Aritake
Mototaka Omura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP2110880A priority Critical patent/JPS56118476A/en
Publication of JPS56118476A publication Critical patent/JPS56118476A/en
Pending legal-status Critical Current

Links

Landscapes

  • Adhesive Tapes (AREA)

Abstract

PURPOSE: To obtain an adhesive tape which is excellent in transparency, tearability by hand, and water resistance, by providing an adhesive layer on the surface a film obtained by laminating PP sheet on both sides a polymethyl methacrylate sheet through a specific adhesive layer.
CONSTITUTION: PP sheets (C) are laminated on both sides of a polymethyl methacrylate sheet (A) through an adhesive layer composed of a polyolefin-maleic anhydride copolymer (B) containing 15wt% or more alkyl acrylate and 0.03wt% or more ethylene-alkyl acrylate copolymer of MI of 4g/10min or maleic acid. Then, the surface of the film thus obtained is provided with an adhesive layer, e.g., of an acrylate-based hot melt type adhesive, etc., through an adhesive layer composed of the component (B) and then the film is subjected to a biaxial stretching treatment at a temperature (120W165°C) at which the component (C) is stretchable in such a way as to obtain the draw ratios of 4<λMD×λTD ≤56 (where λMD is machine direction draw ratio and λTD is transverse direction draw ratio).
COPYRIGHT: (C)1981,JPO&Japio
JP2110880A 1980-02-22 1980-02-22 Adhesive tape Pending JPS56118476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2110880A JPS56118476A (en) 1980-02-22 1980-02-22 Adhesive tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2110880A JPS56118476A (en) 1980-02-22 1980-02-22 Adhesive tape

Publications (1)

Publication Number Publication Date
JPS56118476A true JPS56118476A (en) 1981-09-17

Family

ID=12045676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2110880A Pending JPS56118476A (en) 1980-02-22 1980-02-22 Adhesive tape

Country Status (1)

Country Link
JP (1) JPS56118476A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63116844A (en) * 1986-10-31 1988-05-21 ミネソタ　マイニング　アンド　マニユフアクチユアリング　カンパニー Thermoplastic multilayer film capable of being cut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63116844A (en) * 1986-10-31 1988-05-21 ミネソタ　マイニング　アンド　マニユフアクチユアリング　カンパニー Thermoplastic multilayer film capable of being cut
US4908278A (en) * 1986-10-31 1990-03-13 Minnesota Mining And Manufacturing Company Severable multilayer thermoplastic film

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