CA1048723A - Process for producing porous thermoplastic resin sheet - Google Patents

Process for producing porous thermoplastic resin sheet

Info

Publication number
CA1048723A
CA1048723A CA75221992A CA221992A CA1048723A CA 1048723 A CA1048723 A CA 1048723A CA 75221992 A CA75221992 A CA 75221992A CA 221992 A CA221992 A CA 221992A CA 1048723 A CA1048723 A CA 1048723A
Authority
CA
Canada
Prior art keywords
thermoplastic resin
sheet
pullulan
water
resin 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.)
Expired
Application number
CA75221992A
Other languages
English (en)
French (fr)
Other versions
CA221992S (en
Inventor
Hiroomi Matsunaga
Kozo Tsuji
Masashi Watanabe
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.)
Hayashibara Seibutsu Kagaku Kenkyujo KK
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Hayashibara Biochemical Laboratories 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 Sumitomo Chemical Co Ltd, Hayashibara Biochemical Laboratories Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of CA1048723A publication Critical patent/CA1048723A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA75221992A 1974-03-15 1975-03-13 Process for producing porous thermoplastic resin sheet Expired CA1048723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3020974A JPS5345822B2 (en, 2012) 1974-03-15 1974-03-15

Publications (1)

Publication Number Publication Date
CA1048723A true CA1048723A (en) 1979-02-20

Family

ID=12297328

Family Applications (1)

Application Number Title Priority Date Filing Date
CA75221992A Expired CA1048723A (en) 1974-03-15 1975-03-13 Process for producing porous thermoplastic resin sheet

Country Status (6)

Country Link
US (1) US3992496A (en, 2012)
JP (1) JPS5345822B2 (en, 2012)
CA (1) CA1048723A (en, 2012)
DE (1) DE2511313C3 (en, 2012)
FR (1) FR2264056B1 (en, 2012)
GB (1) GB1494152A (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182582A (en) * 1976-01-27 1980-01-08 A. T. Ramot Plastics Ltd. Porous tubes and hollow profile structures and method of making same
US4333850A (en) * 1979-06-15 1982-06-08 Borg-Warner Corporation Filled polymer composition for automatic addition of a corrosion inhibitor to a coolant system
JPS58145740U (ja) * 1982-03-25 1983-09-30 東芝テック株式会社 サ−マルプリンタ
JPS58155236U (ja) * 1982-04-09 1983-10-17 三菱電機株式会社 印字装置
US4454268A (en) * 1983-06-23 1984-06-12 The United States Of America As Represented By The Secretary Of Agriculture Starch-based semipermeable films
US4515841A (en) * 1983-12-30 1985-05-07 American Sterilizer Company Pore forming sterilization bag
JPS63128035A (ja) * 1986-11-17 1988-05-31 Mitsui Toatsu Chem Inc 通気性防水膜
US5296526A (en) * 1990-08-15 1994-03-22 Cargill, Incorporated A process for preparing a composition containing a polymer of unsaturated hydrocarbon, a C1-4 alkyl or hydroxyalkylether of starch and a vinyl or acrylic polymer as a compatibilizing agent
NL9001826A (nl) * 1990-08-15 1992-03-02 Cargill Bv Materiaal, dat een polymeer van onverzadigde koolwaterstof, een c1-4 alkyl- of hydroxyalkylether van zetmeel en een vinyl- of acrylpolymeer als verenigbaar makend middel bevat.
DE69118622T2 (de) * 1990-09-04 1996-09-19 Nippon Synthetic Chem Ind Biologisch abbaubare, schmelzgeformte Gegenstände, Laminate daraus und ihre Verwendung
EP2663294B1 (en) 2011-01-11 2015-09-30 Capsugel Belgium NV New hard capsules comprising pullulan
JP2015145485A (ja) * 2014-02-04 2015-08-13 三菱樹脂株式会社 樹脂多孔質体及びその製造方法
WO2015151027A1 (en) * 2014-04-03 2015-10-08 Gimsa S.R.L. Recyclable material
US20180320487A1 (en) * 2016-11-10 2018-11-08 Packers Plus Energy Services Inc. Lateral completion system with retrievable inner liner
CA3059529A1 (en) 2017-04-14 2018-10-18 Capsugel Belgium Nv Process for making pullulan
US11576870B2 (en) 2017-04-14 2023-02-14 Capsugel Belgium Nv Pullulan capsules

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707201A (en) * 1951-05-05 1955-04-26 Richardson Co Porous storage battery separator and method of making
BE509668A (en, 2012) * 1951-09-07 1900-01-01
US2894289A (en) * 1956-03-01 1959-07-14 Dow Chemical Co Method of making permeselective membranes
US3262834A (en) * 1962-12-20 1966-07-26 Rogers Corp Waterproof gas-permeable plastic sheet
US3536796A (en) * 1967-11-29 1970-10-27 Grace W R & Co Process for reducing shrinkage in preparing porous plastic sheet
US3551210A (en) * 1969-02-03 1970-12-29 Gen Motors Corp Process for the high-speed manufacture of pvc battery separators
US3574150A (en) * 1969-05-28 1971-04-06 Atomic Energy Commission Open-pore polyurethane product
US3784390A (en) * 1971-07-23 1974-01-08 Hayashibara Biochem Lab Shaped bodies of pullulan and their use
JPS5060530A (en, 2012) * 1973-09-29 1975-05-24

Also Published As

Publication number Publication date
FR2264056A1 (en, 2012) 1975-10-10
GB1494152A (en) 1977-12-07
DE2511313C3 (de) 1978-04-13
JPS5345822B2 (en, 2012) 1978-12-09
US3992496A (en) 1976-11-16
DE2511313A1 (de) 1975-09-25
DE2511313B2 (de) 1977-08-18
FR2264056B1 (en, 2012) 1977-04-15
JPS50123162A (en, 2012) 1975-09-27

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