GB1434182A - Preparation of biaxially oriented polyvinyl alcohol film - Google Patents

Preparation of biaxially oriented polyvinyl alcohol film

Info

Publication number
GB1434182A
GB1434182A GB5109174A GB5109174A GB1434182A GB 1434182 A GB1434182 A GB 1434182A GB 5109174 A GB5109174 A GB 5109174A GB 5109174 A GB5109174 A GB 5109174A GB 1434182 A GB1434182 A GB 1434182A
Authority
GB
United Kingdom
Prior art keywords
film
stretching
maximum
zone
ring
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
GB5109174A
Other languages
English (en)
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.)
Kohjin Holdings Co Ltd
Kohjin Co
Original Assignee
Kohjin Holdings Co Ltd
Kohjin Co
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 Kohjin Holdings Co Ltd, Kohjin Co filed Critical Kohjin Holdings Co Ltd
Publication of GB1434182A publication Critical patent/GB1434182A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
GB5109174A 1973-11-26 1974-11-26 Preparation of biaxially oriented polyvinyl alcohol film Expired GB1434182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48131735A JPS5223368B2 (US20020193084A1-20021219-M00002.png) 1973-11-26 1973-11-26

Publications (1)

Publication Number Publication Date
GB1434182A true GB1434182A (en) 1976-05-05

Family

ID=15064957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5109174A Expired GB1434182A (en) 1973-11-26 1974-11-26 Preparation of biaxially oriented polyvinyl alcohol film

Country Status (10)

Country Link
US (1) US3985849A (US20020193084A1-20021219-M00002.png)
JP (1) JPS5223368B2 (US20020193084A1-20021219-M00002.png)
BR (1) BR7409872A (US20020193084A1-20021219-M00002.png)
CA (1) CA1029918A (US20020193084A1-20021219-M00002.png)
DE (1) DE2455504C3 (US20020193084A1-20021219-M00002.png)
DK (1) DK134888B (US20020193084A1-20021219-M00002.png)
FR (1) FR2252196B1 (US20020193084A1-20021219-M00002.png)
GB (1) GB1434182A (US20020193084A1-20021219-M00002.png)
IT (1) IT1026539B (US20020193084A1-20021219-M00002.png)
NL (1) NL176238C (US20020193084A1-20021219-M00002.png)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154615C (da) * 1976-02-18 1989-05-22 Montedison Spa Fremgangsmaade til fremstilling af hullegemer af to eller flere lag
JPS52135374A (en) * 1976-05-07 1977-11-12 Okura Industrial Co Ltd Simultaneous two dimension elongation of thermoplastic synthetic resin tube film
JPS5372078A (en) * 1976-12-09 1978-06-27 Kojin Kk Production of biaxially oriented polyvinylalcohol film
JPS54111580A (en) * 1978-02-21 1979-08-31 Unitika Ltd Preparation of simultaneously biaxially oriented polyvinyl alcohol film
JPS5586718A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for tubular biaxial stretching film
JPS5586719A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for tubular biaxial stretching film
US4731266A (en) * 1981-06-03 1988-03-15 Rhone-Poulenc, S.A. Water-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articles
JPS59223025A (ja) * 1983-05-31 1984-12-14 Matsushita Electric Works Ltd 常閉型磁気近接スイツチ
US4478971A (en) * 1983-07-08 1984-10-23 Shakespeare Company High temperature extruded polyvinyl alcohol monofilament and process for the preparation thereof
US4734245A (en) * 1985-01-30 1988-03-29 Idemitsu Petrochemical Co., Ltd. Method of producing biaxially oriented film of thermoplastic resin
DE3811449A1 (de) * 1988-04-06 1989-10-19 Bayer Ag Verfahren zur verminderung der fogentwicklung durch weichmacher in kunststoffen
CA1294101C (en) * 1988-09-21 1992-01-14 Hideo Isozaki Process for preparing heat shrinkable polyethylene film
US5981011A (en) 1992-01-22 1999-11-09 A*Ware Technologies, L.C. Coated sheet material
IT1264550B1 (it) * 1993-08-02 1996-10-02 Soten Srl Impianto per la produzione di un film polimerico multistrato termoretraibile.
US5762860A (en) * 1996-03-21 1998-06-09 R. J. Reynolds Tobacco Company Method of and apparatus for producing water soluble polymeric tube
US7012116B1 (en) 1998-06-01 2006-03-14 Kimberly-Clark Worldwide, Inc. Blend compositions of an unmodified poly vinyl alcohol and a thermoplastic elastomer
US6350518B1 (en) 1998-06-01 2002-02-26 Kimberly-Clark Worldwide, Inc. Methods of making blend compositions of an unmodified poly vinyl alcohol and a thermoplastic elastomer
US6020425A (en) * 1998-06-01 2000-02-01 Kimberly-Clark Worldwide, Inc. Unmodified polyvinyl alcohol films and fibers and methods of making the same
US6355347B1 (en) 1998-06-01 2002-03-12 Kimberly-Clark Worldwide, Inc. Methods of making blend compositions of an unmodified polyvinyl alcohol and metallocene polyolefin or a grafted metallocene polyolefin
JP2002365436A (ja) 2001-04-03 2002-12-18 Nitto Denko Corp 配向フィルムの製造方法、偏光フィルム、偏光板および液晶表示装置
JP2002365435A (ja) * 2001-04-03 2002-12-18 Nitto Denko Corp 配向フィルムの製造方法、偏光フィルム、偏光板および液晶表示装置
CN1287973C (zh) * 2002-08-30 2006-12-06 可乐丽股份有限公司 吹塑薄膜的生产设备和生产方法
US7862869B2 (en) * 2003-10-20 2011-01-04 Milprint, Inc. Tear initiation and directional tear films and packages made therefrom
US8795565B2 (en) * 2006-02-21 2014-08-05 Celgard Llc Biaxially oriented microporous membrane
JP5244848B2 (ja) * 2009-05-01 2013-07-24 日東電工株式会社 偏光子の製造方法
JP6630677B2 (ja) * 2014-12-12 2020-01-15 株式会社クラレ ポリビニルアルコール系重合体フィルムおよびその製造方法
JP7099317B2 (ja) * 2017-06-12 2022-07-12 三菱ケミカル株式会社 水溶性フィルム及び薬剤包装体、ならびに水溶性フィルムの製造方法
CN107379585B (zh) * 2017-08-21 2018-07-13 怀化学院 水溶性聚乙烯醇薄膜及其制备方法
WO2019189685A1 (ja) * 2018-03-29 2019-10-03 三菱ケミカル株式会社 水溶性フィルム及びその製造方法、並びに薬剤包装体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE595811A (US20020193084A1-20021219-M00002.png) * 1959-10-06 1900-01-01
GB1050082A (US20020193084A1-20021219-M00002.png) * 1962-05-08 1900-01-01
GB1017175A (US20020193084A1-20021219-M00002.png) * 1962-05-17 1900-01-01
US3365413A (en) * 1963-07-23 1968-01-23 Monsanto Co Polyvinyl alcohol films plasticized with monophenyl ether of polyoxyethylene
US3440316A (en) * 1963-12-05 1969-04-22 Kuraray Co Method of manufacturing improved polyvinyl alcohol films
US3607812A (en) * 1968-12-17 1971-09-21 Denki Kagaku Kogyo Kk Method of manufacturing polyvinyl alcohol films and product
US3723583A (en) * 1971-02-10 1973-03-27 Du Pont Orientation of tubular polypropylene film
JPS4840855A (US20020193084A1-20021219-M00002.png) * 1971-09-23 1973-06-15
US3872196A (en) * 1972-12-04 1975-03-18 Tee Pak Inc Process for plasticizing and partially drying tubular film casings for edible products

Also Published As

Publication number Publication date
NL176238C (nl) 1985-03-18
DK134888C (US20020193084A1-20021219-M00002.png) 1977-06-27
NL7415413A (nl) 1975-05-28
DE2455504A1 (de) 1975-05-28
DE2455504B2 (de) 1980-07-17
AU7516474A (en) 1976-05-13
JPS5083483A (US20020193084A1-20021219-M00002.png) 1975-07-05
DK134888B (da) 1977-02-07
DK612274A (US20020193084A1-20021219-M00002.png) 1975-07-14
FR2252196B1 (US20020193084A1-20021219-M00002.png) 1978-08-18
FR2252196A1 (US20020193084A1-20021219-M00002.png) 1975-06-20
BR7409872A (pt) 1976-05-25
US3985849A (en) 1976-10-12
IT1026539B (it) 1978-10-20
DE2455504C3 (de) 1981-03-12
JPS5223368B2 (US20020193084A1-20021219-M00002.png) 1977-06-23
NL176238B (nl) 1984-10-16
CA1029918A (en) 1978-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921126