KR920701317A - 이활성 필름 및 그 제조 방법 - Google Patents

이활성 필름 및 그 제조 방법

Info

Publication number
KR920701317A
KR920701317A KR1019910700495A KR910700495A KR920701317A KR 920701317 A KR920701317 A KR 920701317A KR 1019910700495 A KR1019910700495 A KR 1019910700495A KR 910700495 A KR910700495 A KR 910700495A KR 920701317 A KR920701317 A KR 920701317A
Authority
KR
South Korea
Prior art keywords
film
stretching
syndiotactic structure
styrene
composition
Prior art date
Application number
KR1019910700495A
Other languages
English (en)
Other versions
KR960003276B1 (ko
Inventor
게이스게 후나끼
유이찌 오끼
히데유끼 다까마
Original Assignee
이데미쓰 쇼스께
이데미쓰 고산 가부시끼가이샤
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
Priority claimed from JP23689689A external-priority patent/JP2779225B2/ja
Priority claimed from JP1245224A external-priority patent/JPH03109453A/ja
Priority claimed from JP1251784A external-priority patent/JPH0628869B2/ja
Priority claimed from JP26195489A external-priority patent/JP2779231B2/ja
Priority claimed from JP26195289A external-priority patent/JP2898026B2/ja
Priority claimed from JP26908989A external-priority patent/JP2826350B2/ja
Application filed by 이데미쓰 쇼스께, 이데미쓰 고산 가부시끼가이샤 filed Critical 이데미쓰 쇼스께
Publication of KR920701317A publication Critical patent/KR920701317A/ko
Application granted granted Critical
Publication of KR960003276B1 publication Critical patent/KR960003276B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F12/02—Monomers containing only one unsaturated aliphatic radical
    • C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F12/06—Hydrocarbons
    • C08F12/08—Styrene
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/538—Roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2325/00—Polymers of vinyl-aromatic compounds, e.g. polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/16—Syndiotactic
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/10—Peculiar tacticity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음

Description

이활성 필름 및 그 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (18)

  1. 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체에 평균입자지름 0.01-3㎛의 무기 미립자를 0.001-1중량% 배합한 조성물로 된 연신 필름이며, 표면거침 Ra이 0.005-0.03㎛, 정지 마찰계수 ㎲가 0.3-0.1인 것을 특징으로 하는 이활성 필름.
  2. 잔류 알루미늄이 3000ppm이하, 잔류 티탄이 10ppm이하 및 잔류 스티렌계 단량체가 7000ppm 이하인 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체를 주성분으로 하는 층의 한면에 제1항의 조성물로된 층을 적층한 필름이며, 한면이 거친면이고 다른면이 평활면이며, 그 평활면의 표면 거침 Ra가 0.001-0.02㎛, 거친면과 평활면의 표면 거침의 비가 1.5-10임과 동시에, 상기 필름의 정지 ㎲가 0.3-1.0인 것을 특징으로 하는 이활성 필름.
  3. 제1항 또는 제2항에 있어서, 조성물이 스티렌계 단량체를 중합하여 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체를 제조하는 과정이 임의의 단계에서 무기 미립자를 첨가하여 얻어진 것이 이활성필름.
  4. 잔류 알루미늄이 3000ppm이하, 잔류 티탄이 10ppm이하 및 잔류 스티렌계 단량체가 7000ppm 이하인 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체를 주성분으로하는 층의 한면에 무기 입자를 함유하는 수지층을 적층한 필름이고, 한면이 거친면이고 다른면이 평활면이며, 그 평활면의 표면 거침 Ra가 0.001-0.02㎛ 거친면과 평활면의 표면 거침의 비가 1.5-10임과 동시에, 상기 필름의 정지 마찰계수 ㎲가 0.3-1.0인 것을 특징으로 하는 이활성 필름.
  5. 제1항, 제2항 또는 제4항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로 된 연신용 예비 성형무을 종방향으로 1축 연신 또는 종ㆍ횡의 2방향으로 동시 2축 연신을 하는 것을 특징으로 하는 필름의 제조 방법.
  6. 제5항에 있어서, 종방향으로 연신하고 다음에 횡방향으로 연신함에 있어서, 필름의 복굴절의 절대값이 3×10-3-70410-3의 범위가 되도록 종방향으로 연신하고 다음에 횡방향으로 연신하는 필름의 제조방법.
  7. 제5항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로된 연신용 예비 성형물이 밀도 1.07g/㎤ 이하, 결정화도 5×30%인 필름의 제조방법.
  8. 제5항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로된 연신용 예비 성형물이 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물을 그 스티렌계 중합에 대한 융점-분해점 보다 50℃ 높은 온도로 가열 용해한후 냉각하여 얻어지는 필름의 제조방법.
  9. 제5항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로 된 연신용 예비 성형물을 유리 전이 온도-냉결정화 온도의 범위에서 종방향으로 1축 연신 또는 종ㆍ횡방향으로 동시 2축 연신하고, 계속해서 유리 전이온도보다 5℃ 높은 온도-융점보다 30℃ 낮은 온도에서 횡방향으로 1축 연신 또는 유리 전이온도-융점의 범위에서 종ㆍ횡의 2방향으로 동시 2축 연신하는 것을 특징으로 하는 필름 제조방법.
  10. 제5항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로 된 연신용 에비 성형물을 유리 전이온도-냉결정화 온도의 범위에서 연신배율을 종 및/또는 횡으로 1.2-5배로, 종 방향으로 1축 연신 또는 종ㆍ횡방향으로 동시 2축 연신하고, 다음에 유리 전이 온도보다 5℃ 높은 온도-융점보다 30℃ 낮은 온도에서 연신 배율 1.5-5배로 횡방향으로 1축 연신 또는 종ㆍ횡의 2방향의 연신 배율 1.2-3.5배로, 종ㆍ횡의 2방향으로 동시 2축 연신하는 것을 특징으로 하는 필름의 제조방법.
  11. 제5항, 제6항,제7항, 제8항, 제9항 또는 제10항에 있어서, 얻어진 필름의 종방향의 전 연신 배율이 2.5-12배인 필름의 제조방법.
  12. 제1항, 제2항 또는 제4항에 있어서, 제조된 필름을 다시 종방향으로 연신하는 필름의 제조방법.
  13. 제1항, 제2항 또는 제4항에 있어서, 고도의 신디오 탁틱 구조를 갖는 스티렌계 중합체 또는 그 조성물로 된 연신용 예비 성형물을 종ㆍ횡의 2방향으로 동시 2축 연신을 하고, 다음에 횡방향으로 1축 연신을 하는 것을 특징으로 하는 필름의 제조방법.
  14. 제5항, 제12항 또는 제13항에서 얻어진 필름에, 다시 열처리를 하는 필름의 제조방법.
  15. 제5항, 제12항, 제13항 또는 제14항에서 얻어진 필름의 일부 또는 전부에 표면 장력이 35dyne/㎝ 이상으로 되도록 화학적 및/또는 물리적 처리를 하는 필름의 제조 방법.
  16. 고도의 신디오 탁티 구조를 갖는 스티렌계 중합체 또는 그 조성물을 압출 성형 또는 프레스 성형하여 얻어진 예비 성형물을 냉각한 후에 두께 감소율 1-30%의 범위로 압연하는 것을 특징으로 하는 압연필름의 제조방법.
  17. 제16항에 있어서, 압연을 유리 전이온도-융점보다 10℃ 낮은 온도에서 하는 압연 필름의 제조방법.
  18. 제16항에 얻어진 필름의 일부 또는 전부에 표면장력이 35dyne/㎝ 이상으로 되도록 화학적 및/또는 물리적 처리를 하는 필름의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910700495A 1989-09-14 1990-05-13 이활성 필름 및 그 제조방법 KR960003276B1 (ko)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP23689689A JP2779225B2 (ja) 1989-09-14 1989-09-14 スチレン系重合体フィルムの製造方法
JP236896/1989 1989-09-14
JP1245224A JPH03109453A (ja) 1989-09-22 1989-09-22 易滑性フィルム及びその製造方法
JP245224/1989 1989-09-22
JP1251784A JPH0628869B2 (ja) 1989-09-29 1989-09-29 圧延品の製造方法
JP251784/1989 1989-09-29
JP26195489A JP2779231B2 (ja) 1989-10-09 1989-10-09 スチレン系重合体フィルムの製造方法
JP261954/1989 1989-10-09
JP26195289A JP2898026B2 (ja) 1989-10-09 1989-10-09 スチレン系重合体の成形体
JP261952/1989 1989-10-09
JP269089/1989 1989-10-18
JP26908989A JP2826350B2 (ja) 1989-10-18 1989-10-18 スチレン系重合体フィルムの製造方法
PCT/JP1990/001174 WO1991004287A1 (fr) 1989-09-14 1990-09-13 Pellicule glissante et sa production

Publications (2)

Publication Number Publication Date
KR920701317A true KR920701317A (ko) 1992-08-11
KR960003276B1 KR960003276B1 (ko) 1996-03-08

Family

ID=27554105

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910700495A KR960003276B1 (ko) 1989-09-14 1990-05-13 이활성 필름 및 그 제조방법

Country Status (6)

Country Link
EP (1) EP0444206B1 (ko)
KR (1) KR960003276B1 (ko)
AT (1) ATE153043T1 (ko)
CA (1) CA2039695A1 (ko)
DE (1) DE69030721T2 (ko)
WO (1) WO1991004287A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570931A3 (en) * 1992-05-21 1994-06-29 Idemitsu Kosan Co Styrenic polymer, process for producing same and multi-layer material comprising same
DE69625277T2 (de) * 1995-05-29 2003-11-13 Toyo Boseki K.K., Osaka Orientierte Folie aus Polystyrol mit isotaktischer Konfiguration
CA2284799A1 (en) * 1997-05-30 1998-12-03 The Dow Chemical Company Films made from long chain branched syndiotactic vinyl aromatic polymers
JP2003334902A (ja) 2002-05-17 2003-11-25 Toyobo Co Ltd 易接着シンジオタクチックポリスチレン系延伸フィルム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898222A (ja) * 1981-12-07 1983-06-11 Denki Kagaku Kogyo Kk スチレン系樹脂二軸延伸シ−ト
JPH06104337B2 (ja) * 1987-12-04 1994-12-21 出光興産株式会社 スチレン系樹脂延伸フィルム及びその製造方法
CA1326095C (en) * 1987-05-18 1994-01-11 Toshikazu Ijitsu Styrene-based resin composition and moldings produced from said composition
JP2505001B2 (ja) * 1987-10-23 1996-06-05 旭化成工業株式会社 シンジオタクチツクポリスチレン系フイルムの製造方法
JPH07115451B2 (ja) * 1988-04-13 1995-12-13 出光興産株式会社 樹脂積層体

Also Published As

Publication number Publication date
EP0444206A1 (en) 1991-09-04
EP0444206A4 (en) 1992-06-03
KR960003276B1 (ko) 1996-03-08
DE69030721D1 (de) 1997-06-19
WO1991004287A1 (fr) 1991-04-04
CA2039695A1 (en) 1991-03-15
ATE153043T1 (de) 1997-05-15
EP0444206B1 (en) 1997-05-14
DE69030721T2 (de) 1997-09-04

Similar Documents

Publication Publication Date Title
US3801404A (en) Novel open-celled microporous film
US5292561A (en) Transparent shrink film made from biaxially oriented polypropylene
US3257489A (en) Process for improving gauge of organic, thermoplastic, crystallizable polymeric film by stretching during heat treating
US3627579A (en) Unidirectionally oriented film structure of polyethylene terephthalate
AU607549B2 (en) Stretched styrene-based resin moldings and a process for production thereof
HUT62319A (en) Process for improving mechanical properties of single- or multiple-layer foils and foils produced by the process
KR930002083A (ko) 조면화 필름 및 그의 제조방법
CA2445845A1 (en) Opaque polylactic acid film
KR100637004B1 (ko) 이축 배향된 열수축성 폴리올레핀 필름
KR930008011A (ko) 배향된 반결정성 폴리에스테르 필름, 그의 제조방법 및 자기 코팅용 기재로서의 그의 용도
KR920701317A (ko) 이활성 필름 및 그 제조 방법
US2899713A (en) Orientation of polyethylene
US3915933A (en) Shrinkable films
US4687615A (en) Method of producing biaxially oriented tubular polyetheretherketone films
EP0390191A2 (en) Biaxially stretched polyester film and process for producing the same
JPS60187530A (ja) 耐熱性ポリエ−テルケトンフイルム又はシ−トの製造方法
US2847709A (en) Process of producing unoriented formed articles from high polymers
KR0140299B1 (ko) 이축 배향 폴리에스테르 필름의 제조방법
JP2569471B2 (ja) 強力化ポリエステルフイルムの製造方法
KR100252824B1 (ko) 포장재용 폴리프로필렌 필름의 제조방법
GB836542A (en) Improvements in the production of oriented shaped structures such as films and artificial filaments
KR0173728B1 (ko) 이축 배향 폴리에스테르 필름의 제조방법
JPS6137417A (ja) 熱可塑性ポリエーテルエーテルケトンフイルムの製造方法
KR100238790B1 (ko) 폴리프로필렌 필름 및 그 제조방법
KR0173729B1 (ko) 이축 배향 폴리에스테르 필름의 제조방법

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20020227

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee