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JPS55148129A - Methyl methacrylate resin film and sheet with special high-degree structure - Google Patents

Methyl methacrylate resin film and sheet with special high-degree structure

Info

Publication number
JPS55148129A
JPS55148129A JP5524079A JP5524079A JPS55148129A JP S55148129 A JPS55148129 A JP S55148129A JP 5524079 A JP5524079 A JP 5524079A JP 5524079 A JP5524079 A JP 5524079A JP S55148129 A JPS55148129 A JP S55148129A
Authority
JP
Japan
Prior art keywords
thermal contraction
contraction stress
sheet
axis
methyl methacrylate
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
Application number
JP5524079A
Other languages
Japanese (ja)
Other versions
JPS5732942B2 (en
Inventor
Ryuichi Totsume
Masahiko Ino
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.)
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
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 Asahi Dow Ltd, Asahi Chemical Industry Co Ltd filed Critical Asahi Dow Ltd
Priority to JP5524079A priority Critical patent/JPS55148129A/en
Priority to FR7922008A priority patent/FR2435340A1/en
Priority to DE2935713A priority patent/DE2935713C2/en
Priority to US06/072,170 priority patent/US4228267A/en
Priority to CA000335065A priority patent/CA1137247A/en
Priority to SE7907380A priority patent/SE436625B/en
Priority to AU50636/79A priority patent/AU523094B2/en
Priority to GB7930984A priority patent/GB2030924B/en
Publication of JPS55148129A publication Critical patent/JPS55148129A/en
Publication of JPS5732942B2 publication Critical patent/JPS5732942B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To provide a methyl methacrylate resin film or sheet which has a special molecular orientation structure and whose MI., thermal contraction stress, two-axis- direction thermal contraction stress ratio, thermal contraction stress difference, etc. are prescribed and which excels in bending strenghth, high-speed tensile strength, falling weight impact strength, etc.
CONSTITUTION: A methyl methacrylate resin, which comprises 1W15wt% of an acrylic alkyl ester containing a C1W4 alkyl group and 0W3wt% of an ultraviolet ray absorbent, is shaped as a sheet. After the sheet is stretched along one axis, it is stretched again along two axes to make a film or sheet which has a special high- degree structure. The MI (complying with D1238-70-I of ASTM), thermal contraction stress (complying with D1504 of ASTM, two-axis-directional thermal contraction stress ratio (ratio of maximum value to minimum value of thermal contraction stress), two-axis-direction thermal contraction stress difference (difference between maximum and minimum values of thermal contraction stress), high-speed tensile strength and critical strain of the film or sheet are 0.5W12g per 10min., 5W30kg/ cm2, 1W2, 10kg/cm2 or less, 7kg/mm2 or more and 0.1% or more.
COPYRIGHT: (C)1980,JPO&Japio
JP5524079A 1978-09-09 1979-05-08 Methyl methacrylate resin film and sheet with special high-degree structure Granted JPS55148129A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP5524079A JPS55148129A (en) 1979-05-08 1979-05-08 Methyl methacrylate resin film and sheet with special high-degree structure
FR7922008A FR2435340A1 (en) 1978-09-09 1979-09-03 RESIN FILM AND SHEET BASED ON METHYL METHACRYLATE
DE2935713A DE2935713C2 (en) 1978-09-09 1979-09-04 Methyl methacrylate based plastic film and sheet
US06/072,170 US4228267A (en) 1978-09-09 1979-09-04 Methyl methacrylate-based resin film and sheet
CA000335065A CA1137247A (en) 1978-09-09 1979-09-05 Methyl methacrylate-based resin film and sheet
SE7907380A SE436625B (en) 1978-09-09 1979-09-05 METHYLMETACRYLATE-BASED HEART FILM AND SHEET
AU50636/79A AU523094B2 (en) 1978-09-09 1979-09-06 Methyl methacrylate-based resin film
GB7930984A GB2030924B (en) 1978-09-09 1979-09-06 Methyl methacrylate-based resing film and sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5524079A JPS55148129A (en) 1979-05-08 1979-05-08 Methyl methacrylate resin film and sheet with special high-degree structure

Publications (2)

Publication Number Publication Date
JPS55148129A true JPS55148129A (en) 1980-11-18
JPS5732942B2 JPS5732942B2 (en) 1982-07-14

Family

ID=12993071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5524079A Granted JPS55148129A (en) 1978-09-09 1979-05-08 Methyl methacrylate resin film and sheet with special high-degree structure

Country Status (1)

Country Link
JP (1) JPS55148129A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58171918A (en) * 1982-04-01 1983-10-08 Asahi Chem Ind Co Ltd Tough acryl sheet
JPS60190331A (en) * 1984-03-12 1985-09-27 Asahi Chem Ind Co Ltd Acrylic resin film and sheet biaxially oriented to high extent
JPH02116387A (en) * 1988-10-27 1990-05-01 Asahi Chem Ind Co Ltd Heating opening device
JP2011043619A (en) * 2009-08-20 2011-03-03 Nippon Shokubai Co Ltd Front plate for image display device, and method for manufacturing the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9605121B2 (en) 2013-05-16 2017-03-28 Kuraray Co., Ltd. Film
TWI651356B (en) 2014-01-23 2019-02-21 可樂麗股份有限公司 film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913220A (en) * 1972-05-18 1974-02-05
JPS4913219A (en) * 1972-05-18 1974-02-05
JPS53110228A (en) * 1977-03-08 1978-09-26 Nat Jutaku Kenzai Eaves unit for corridor and veranda

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913220A (en) * 1972-05-18 1974-02-05
JPS4913219A (en) * 1972-05-18 1974-02-05
JPS53110228A (en) * 1977-03-08 1978-09-26 Nat Jutaku Kenzai Eaves unit for corridor and veranda

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58171918A (en) * 1982-04-01 1983-10-08 Asahi Chem Ind Co Ltd Tough acryl sheet
JPS60190331A (en) * 1984-03-12 1985-09-27 Asahi Chem Ind Co Ltd Acrylic resin film and sheet biaxially oriented to high extent
JPH02116387A (en) * 1988-10-27 1990-05-01 Asahi Chem Ind Co Ltd Heating opening device
JP2011043619A (en) * 2009-08-20 2011-03-03 Nippon Shokubai Co Ltd Front plate for image display device, and method for manufacturing the same

Also Published As

Publication number Publication date
JPS5732942B2 (en) 1982-07-14

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