JPS5651238A - Production of microminiature capsule - Google Patents

Production of microminiature capsule

Info

Publication number
JPS5651238A
JPS5651238A JP12696879A JP12696879A JPS5651238A JP S5651238 A JPS5651238 A JP S5651238A JP 12696879 A JP12696879 A JP 12696879A JP 12696879 A JP12696879 A JP 12696879A JP S5651238 A JPS5651238 A JP S5651238A
Authority
JP
Japan
Prior art keywords
capsule
microminiature
melamine
formaldehyde
low viscosity
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
JP12696879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6244970B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshiyuki Hoshi
Takayuki Hayashi
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP12696879A priority Critical patent/JPS5651238A/ja
Priority to GB8031190A priority patent/GB2062570B/en
Priority to IT49772/80A priority patent/IT1143006B/it
Priority to ES495559A priority patent/ES495559A0/es
Priority to US06/193,059 priority patent/US4409156A/en
Priority to DE19803037309 priority patent/DE3037309A1/de
Publication of JPS5651238A publication Critical patent/JPS5651238A/ja
Publication of JPS6244970B2 publication Critical patent/JPS6244970B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/18—In situ polymerisation with all reactants being present in the same phase
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Color Printing (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
JP12696879A 1979-10-02 1979-10-02 Production of microminiature capsule Granted JPS5651238A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP12696879A JPS5651238A (en) 1979-10-02 1979-10-02 Production of microminiature capsule
GB8031190A GB2062570B (en) 1979-10-02 1980-09-26 Process of producing microcapsules
IT49772/80A IT1143006B (it) 1979-10-02 1980-09-30 Procedimento per produrre microcapsule atte a contenere vari tipi di sostanze
ES495559A ES495559A0 (es) 1979-10-02 1980-10-01 Un procedimiento para la produccion de microcapsulas
US06/193,059 US4409156A (en) 1979-10-02 1980-10-02 Process for producing microcapsules
DE19803037309 DE3037309A1 (de) 1979-10-02 1980-10-02 Verfahren zur herstellung von mikrokapseln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12696879A JPS5651238A (en) 1979-10-02 1979-10-02 Production of microminiature capsule

Publications (2)

Publication Number Publication Date
JPS5651238A true JPS5651238A (en) 1981-05-08
JPS6244970B2 JPS6244970B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-09-24

Family

ID=14948346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12696879A Granted JPS5651238A (en) 1979-10-02 1979-10-02 Production of microminiature capsule

Country Status (6)

Country Link
US (1) US4409156A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5651238A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3037309A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES495559A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2062570B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1143006B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100629A (en) * 1980-01-10 1981-08-12 Mitsubishi Paper Mills Ltd Production of microcapsule
JPS5814942A (ja) * 1981-07-17 1983-01-28 Jujo Paper Co Ltd 微小カプセルの製造方法
JPS5840142A (ja) * 1981-09-03 1983-03-09 Kanzaki Paper Mfg Co Ltd マイクロカプセルの製造方法
JPS59142836A (ja) * 1983-01-24 1984-08-16 アツプルトン　ペ−パ−ズ　インコ−ポレイテツド 微小カプセルの製造方法
JPS60238141A (ja) * 1984-05-11 1985-11-27 Kanzaki Paper Mfg Co Ltd 粉体カプセルの製造方法
JPH022869A (ja) * 1987-12-03 1990-01-08 Mead Corp:The マイクロカプセルの層を片面に持つ支持体を含むイメージシート
US4935172A (en) * 1987-05-15 1990-06-19 Mitsubishi Paper Mills, Ltd. Method for producing microcapsules
KR20010000621A (ko) * 2000-10-10 2001-01-05 조석형 마이크로캡슐의 제조방법
KR100337025B1 (ko) * 1999-11-04 2002-05-17 손재익 마이크로캡슐형 잠열미립자 슬러리의 제조방법
JP2015086249A (ja) * 2013-10-28 2015-05-07 スリーボンドファインケミカル株式会社 マイクロカプセル型硬化性樹脂組成物
US11198106B2 (en) 2017-08-24 2021-12-14 Kagoshima University Method for producing microcapsules or beads

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58112041A (ja) * 1981-12-24 1983-07-04 Jujo Paper Co Ltd 微小カプセルの製造方法
GB8326902D0 (en) * 1983-10-07 1983-11-09 Wiggins Teape Group Ltd Removal of formaldehyde from micro-capsules
US4528226A (en) * 1983-10-11 1985-07-09 Minnesota Mining And Manufacturing Co. Stretchable microfragrance delivery article
US4493869A (en) * 1983-10-11 1985-01-15 Minnesota Mining And Manufacturing Company Fragrance-releasing microcapsules on a see-through substrate
US4561981A (en) * 1984-01-27 1985-12-31 Characklis William G Treatment of fouling with microcapsules
US4606956A (en) * 1984-12-21 1986-08-19 Minnesota Mining And Manufacturing Company On page fragrance sampling device
JPH0611396B2 (ja) * 1985-07-17 1994-02-16 日本製紙株式会社 微小カプセルの製造方法
JPH0690513B2 (ja) * 1986-11-11 1994-11-14 富士写真フイルム株式会社 感光性マイクロカプセルの製造方法
US4978483A (en) * 1987-09-28 1990-12-18 Redding Bruce K Apparatus and method for making microcapsules
CA1340786C (en) * 1987-10-09 1999-10-12 Director-General Of Agency Of Industrial Science And Technology Liquid crystal cell
EP0336666A3 (en) * 1988-04-04 1989-11-23 Ici Americas Inc. Polymerised substituted benzoid alkyl sulfonic acids and their salts as efficient protective colloids for microcapsulation systems
US5180637A (en) * 1990-11-02 1993-01-19 Sakura Color Products Corporation Double-walled microcapsules and a process for preparation of same
US5084433A (en) * 1990-11-21 1992-01-28 Minnesota Mining And Manufacturing Company Carbonless paper printable in electrophotographic copiers
US5204185A (en) * 1990-12-11 1993-04-20 The Standard Register Company Microencapsulation process using melamine-formaldehyde and microcapsules produced thereby
US5268130A (en) * 1990-12-20 1993-12-07 The Standard Register Company Melamine formaldehyde microencapsulation in aqueous solutions containing high concentrations of organic solvent
US5480482A (en) * 1991-11-04 1996-01-02 The United States Of America As Represented By The Secretary Of The Navy Reversible thermochromic pigments
JPH06269657A (ja) * 1993-03-17 1994-09-27 Sakura Color Prod Corp マイクロカプセルの製造方法
US5591146A (en) * 1996-01-17 1997-01-07 The Procter & Gamble Company Sanitary napkin with perfume-bearing microcapsule adhesive
US5769832A (en) * 1996-04-17 1998-06-23 Hasse; Margaret Henderson Absorbent article with odor masking agents released by the fastening system
US6346574B1 (en) 2000-06-28 2002-02-12 Asahi Kasei Kabushiki Kaisha Fire retardance-imparting additive
US20030224030A1 (en) 2002-05-23 2003-12-04 Hirotaka Uchiyama Methods and articles for reducing airborne particulates
US7004313B2 (en) * 2002-12-31 2006-02-28 Kimberly-Clark Worldwide, Inc. Disposable dispenser with fragrance delivery system
US7919666B2 (en) * 2002-12-31 2011-04-05 Kimberly-Clark Worldwide, Inc. Personal care articles with fragrance delivery system
US7531365B2 (en) 2004-01-08 2009-05-12 International Flavors & Fragrances Inc. Analysis of the headspace proximate a substrate surface containing fragrance-containing microcapsules
US7594594B2 (en) 2004-11-17 2009-09-29 International Flavors & Fragrances Inc. Multi-compartment storage and delivery containers and delivery system for microencapsulated fragrances
JP4713303B2 (ja) * 2005-11-07 2011-06-29 王子製紙株式会社 記録シート
US20070138674A1 (en) * 2005-12-15 2007-06-21 Theodore James Anastasiou Encapsulated active material with reduced formaldehyde potential
US20070138671A1 (en) * 2005-12-15 2007-06-21 Anastasiou Theodore J Encapsulated active material with reduced formaldehyde potential
US20070138673A1 (en) 2005-12-15 2007-06-21 Kaiping Lee Process for Preparing a High Stability Microcapsule Product and Method for Using Same
US20070191256A1 (en) * 2006-02-10 2007-08-16 Fossum Renae D Fabric care compositions comprising formaldehyde scavengers
CN101389743A (zh) * 2006-02-28 2009-03-18 宝洁公司 包含有益剂的递送颗粒
US7935201B2 (en) 2006-11-29 2011-05-03 Wausau Paper Mills, Llc Non-slip masking product, and methods
US7833960B2 (en) 2006-12-15 2010-11-16 International Flavors & Fragrances Inc. Encapsulated active material containing nanoscaled material
US7879747B2 (en) 2007-03-30 2011-02-01 Kimberly-Clark Worldwide, Inc. Elastic laminates having fragrance releasing properties and methods of making the same
US7915215B2 (en) 2008-10-17 2011-03-29 Appleton Papers Inc. Fragrance-delivery composition comprising boron and persulfate ion-crosslinked polyvinyl alcohol microcapsules and method of use thereof
US20100268191A1 (en) * 2009-04-21 2010-10-21 Medtronic Vascular, Inc. Drug Delivery Catheter using Frangible Microcapsules and Delivery Method
EP2480245B1 (en) 2009-09-25 2014-05-07 B.R.A.I.N. Biotechnology Research And Information Network AG A novel method for the production of a antimicrobial peptide
US9186642B2 (en) 2010-04-28 2015-11-17 The Procter & Gamble Company Delivery particle
US20110269657A1 (en) 2010-04-28 2011-11-03 Jiten Odhavji Dihora Delivery particles
US9993793B2 (en) 2010-04-28 2018-06-12 The Procter & Gamble Company Delivery particles
WO2012138690A2 (en) 2011-04-07 2012-10-11 The Procter & Gamble Company Conditioner compositions with increased deposition of polyacrylate microcapsules
MX2013010980A (es) 2011-04-07 2013-10-30 Procter & Gamble Composiciones de limpieza personal con deposito mejorado de microcapsulas de poliacrilato.
MX2013010983A (es) 2011-04-07 2013-10-30 Procter & Gamble Composiciones de champu con deposito mejorado de microcapsulas de poliacrilato.
ES2555456T3 (es) 2011-08-25 2016-01-04 Unilever N.V. Agente beneficioso encapsulado
CN102641704B (zh) * 2011-11-07 2015-05-27 京东方科技集团股份有限公司 用于电泳显示的微胶囊的制作方法
WO2013087548A2 (en) 2011-12-16 2013-06-20 Unilever Plc Improvements relating to laundry compositions
ES2587553T3 (es) 2011-12-16 2016-10-25 Unilever N.V. Tratamiento de tejidos
ES2568743T3 (es) 2011-12-16 2016-05-04 Unilever N.V. Mejoras relacionadas con composiciones de tratamiento de tejidos
WO2013087549A1 (en) 2011-12-16 2013-06-20 Unilever Plc Improvements relating to fabric treatment compositions
EP2855648B1 (en) 2012-05-24 2015-12-02 Unilever Plc. Improvements relating to fabric conditioners
EP2950778B1 (en) 2013-01-30 2018-11-14 Unilever PLC Compositions with improved aesthetic and sensorial properties
US9943468B2 (en) 2013-04-25 2018-04-17 Conopco, Inc. Cleansing compositions with improved dispensing and suspension properties
US8951708B2 (en) 2013-06-05 2015-02-10 Xerox Corporation Method of making toners
US10092485B2 (en) * 2013-10-04 2018-10-09 Encapsys, Llc Benefit agent delivery particle
US9610228B2 (en) 2013-10-11 2017-04-04 International Flavors & Fragrances Inc. Terpolymer-coated polymer encapsulated active material
EP2865423B1 (en) 2013-10-18 2020-03-04 International Flavors & Fragrances Inc. Hybrid fragrance encapsulate formulation and method for using the same
EP3608392B1 (en) 2013-11-11 2022-01-05 International Flavors & Fragrances Inc. Multi-capsule compositions
WO2016149148A1 (en) 2015-03-17 2016-09-22 3M Innovative Properties Company Solventless anti-corrosion composition and methods of using the same
EP3130657A1 (en) 2015-08-12 2017-02-15 Unilever PLC Hard surface cleaning composition and process
BR112018006354A2 (pt) 2015-10-21 2018-10-09 Unilever Nv método para a avaliação de perfume no cabelo
JP6911014B2 (ja) 2015-10-27 2021-07-28 エンカプシス エルエルシー カプセル化
EP3416610B1 (en) 2016-02-18 2024-08-14 International Flavors & Fragrances Inc. Microcapsule composition
WO2018006089A1 (en) 2016-07-01 2018-01-04 International Flavors & Fragrances Inc. Stable microcapsule compositions
CN116764558A (zh) 2016-09-16 2023-09-19 国际香料和香精公司 用粘度控制剂稳定的微胶囊组合物
US20180085291A1 (en) 2016-09-28 2018-03-29 International Flavors & Fragrances Inc. Microcapsule compositions containing amino silicone
EP3541355B1 (en) 2016-11-21 2023-06-07 Bell Flavors And Fragrances, Inc. Malodor counteractant composition and methods
EP3574061B1 (en) 2017-01-27 2021-11-10 Encapsys, LLC Encapsulates
CN113453655A (zh) 2018-12-18 2021-09-28 国际香料和香精公司 瓜尔胶微胶囊
US11260359B2 (en) 2019-01-11 2022-03-01 Encapsys, Llc Incorporation of chitosan in microcapsule wall
WO2022082190A1 (en) 2020-10-16 2022-04-21 The Procter & Gamble Company Consumer product compositions with at least two encapsulate populations
EP4229163A1 (en) 2020-10-16 2023-08-23 The Procter & Gamble Company Consumer product compositions comprising a population of encapsulates

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425277A (en) * 1977-07-27 1979-02-26 Fuji Photo Film Co Ltd Method of producing microcapsule
JPS5449984A (en) * 1977-09-28 1979-04-19 Mitsubishi Paper Mills Ltd Microcapsule

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447945A (en) * 1966-04-09 1969-06-03 Fuji Photo Film Co Ltd Process for the preparation of pressure-sensitive copying papers
BE788762A (fr) * 1971-09-13 1973-01-02 Fuji Photo Film Co Ltd Procede de production de microcapsules
US4100103A (en) * 1976-12-30 1978-07-11 Ncr Corporation Capsule manufacture
DE3008658A1 (de) * 1979-03-09 1980-09-11 Fuji Photo Film Co Ltd Verfahren zur herstellung von mikrokapseln

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425277A (en) * 1977-07-27 1979-02-26 Fuji Photo Film Co Ltd Method of producing microcapsule
JPS5449984A (en) * 1977-09-28 1979-04-19 Mitsubishi Paper Mills Ltd Microcapsule

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100629A (en) * 1980-01-10 1981-08-12 Mitsubishi Paper Mills Ltd Production of microcapsule
JPS5814942A (ja) * 1981-07-17 1983-01-28 Jujo Paper Co Ltd 微小カプセルの製造方法
JPS5840142A (ja) * 1981-09-03 1983-03-09 Kanzaki Paper Mfg Co Ltd マイクロカプセルの製造方法
JPS59142836A (ja) * 1983-01-24 1984-08-16 アツプルトン　ペ−パ−ズ　インコ−ポレイテツド 微小カプセルの製造方法
JPS60238141A (ja) * 1984-05-11 1985-11-27 Kanzaki Paper Mfg Co Ltd 粉体カプセルの製造方法
US4935172A (en) * 1987-05-15 1990-06-19 Mitsubishi Paper Mills, Ltd. Method for producing microcapsules
JPH022869A (ja) * 1987-12-03 1990-01-08 Mead Corp:The マイクロカプセルの層を片面に持つ支持体を含むイメージシート
KR100337025B1 (ko) * 1999-11-04 2002-05-17 손재익 마이크로캡슐형 잠열미립자 슬러리의 제조방법
KR20010000621A (ko) * 2000-10-10 2001-01-05 조석형 마이크로캡슐의 제조방법
JP2015086249A (ja) * 2013-10-28 2015-05-07 スリーボンドファインケミカル株式会社 マイクロカプセル型硬化性樹脂組成物
WO2015064323A1 (ja) * 2013-10-28 2015-05-07 スリーボンドファインケミカル株式会社 マイクロカプセル型硬化性樹脂組成物
US9914861B2 (en) 2013-10-28 2018-03-13 Threebond Co., Ltd. Microcapsule type curable resin composition
US11198106B2 (en) 2017-08-24 2021-12-14 Kagoshima University Method for producing microcapsules or beads

Also Published As

Publication number Publication date
GB2062570A (en) 1981-05-28
US4409156A (en) 1983-10-11
JPS6244970B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-09-24
GB2062570B (en) 1983-06-08
IT8049772A0 (it) 1980-09-30
DE3037309A1 (de) 1981-04-23
ES8106659A1 (es) 1981-09-01
ES495559A0 (es) 1981-09-01
DE3037309C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-11
IT1143006B (it) 1986-10-22

Similar Documents

Publication Publication Date Title
JPS5651238A (en) Production of microminiature capsule
JPS5425277A (en) Method of producing microcapsule
IT971193B (it) Membrane scambiatrici di anioni e metodo per la loro produzione
KR890001615A (ko) 그래이드 밀도 피층을 갖는 비대칭성 기체 분리막의 제조방법 및 고점성 원액
JPS534786A (en) Production of cation exchange membrane
JPS5397988A (en) Production of cation exchange membrane
JPS5334690A (en) Cation exchange membrane and production thereof
JPS5329291A (en) Cation exchange membrane and production of the same
JPS5592135A (en) Production of microcapsule
JPS5236589A (en) Membrane of cation exchange resin containing fluorine
JPS548669A (en) Hydrophilic porous composite structure and its manufacture
JPS5728139A (en) Porous thermoplastic resin having hydrophilic surface and its preparation
JPS52151683A (en) Cation exchange membrane and production thereof
JPS57141432A (en) Hydrophilic polyolefin resin porous membrane and its production
JPS528997A (en) Novel cation exchange membrane and process for producing thereof
JPS5618629A (en) Production of foamable resin particle
JPS53103989A (en) Ion exchange membrane and its manufacture
KR880011347A (ko) 당액을 탈염시키는 개선방법
JPS5370090A (en) Production of cation exchange membrane
JPS51131487A (en) Ion exchange membrane
JPS5586821A (en) Production of bipolar film
JPS5515660A (en) Improved micro capsule
JPS5371692A (en) Cation exchange membrane and production thereof
JPS51131488A (en) Ion exchange membrane
JPS5651701A (en) Polarizing film