KR970070066A - 고강도 폴리프로필렌 다공필름 및 그 제조방법 - Google Patents
고강도 폴리프로필렌 다공필름 및 그 제조방법 Download PDFInfo
- Publication number
- KR970070066A KR970070066A KR1019970014378A KR19970014378A KR970070066A KR 970070066 A KR970070066 A KR 970070066A KR 1019970014378 A KR1019970014378 A KR 1019970014378A KR 19970014378 A KR19970014378 A KR 19970014378A KR 970070066 A KR970070066 A KR 970070066A
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- KR
- South Korea
- Prior art keywords
- polypropylene
- film
- porous film
- liquid
- porous
- Prior art date
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Classifications
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- 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
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- 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
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
폴리프로필렌수지를 주성분으로 하여, 본 발명은 가소제나 용제를 실질적으로 사용하지 않고 얻어진 폴리프로필렌 필름으로부터 제조한 기계적특성이 우수하고, 식품용도나 포장재 등의 용도에 적합한 다공성 필름 및 그 제조방법을 제공함으로 과제로 한다.
해결수단은 가소제나 용제를 실질적으로 사용하지 않고 얻어진 폴리프로필렌의 불투기성 필름을 연신 및 및/또는 열처리에 의하여 다공화한 (1) 기계방향(MD) 및 기계교차방향(TD)의 인장강도가 35MPa 이상; (2) 공공률(空孔率)이 80% 이하; (3) 투습도가 20g/㎡day 이상;의 물성을 갖는 것을 특징으로 하는 폴리프로필렌 다공필름으로 이 필름은 예를 들면 결정화도가 40%이상인 폴리프로필렌 2축 연신필름 또는 인플레이션필름을 구속하여서 결정화도를 높이기 위한 열처리 및/또는 연신처리하여 다공화함으로서 었는다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (11)
- 폴리프로필렌수지를 주성분으로 하여, (1) 기계방향(MD) 및 기계교차방향(TD)의 인장강도가 35MPa 이상; (2) 공공률(空孔率)이 80% 이하; (3) 투습도가 20g/㎡day 이상;의 물성을 갖는 것을 특징으로 하는 폴리프로필렌 다공필름.
- 제1항에 있어서, 폴리프로필렌수지의 극한점도(η)가 4미만인 폴리프로필렌 다공필름.
- 제1항 또는 제2항에 있어서, 가소제나 용제를 실질적으로 사용하지 않고 얻어진 불투기성의 폴리프로필렌 2축연신필름 또는 인플레이션필름을 연신 및/또는 열처리함으로써 다공화된 폴리프로필렌 다공필름.
- 폴리프로필렌 2축연신필름 또는 인플레이션필름을 적어도 1축으로 연신하여 다공화시키는 것을 특징으로 하는 폴리프로필렌 다공필름의 제조방법.
- 폴리프로필렌 2축연신필름 또는 인플레이션필름을 결정화도의 증가를 가져오는 열처리를 하여 다공화시키는 것을 특징으로 하는 폴리프로필렌 다공필름의 제조방법.
- 폴리프로필렌 2축연신필름 또는 인플레이션필름을 결정화도의 증가를 가져오는 열처리를 하고, 그 후에 적어도 1축으로 연신하여 다공화시키는 것을 특징으로 하는 폴리프로필렌 다공필름의 제조방법.
- 제4항~제6항중의 어느 1항에 있어서, 상기 폴리프로필렌의 원료수지가 극한점도(η) 4미만인 폴리프로필렌 다공필름의 제조방법.
- 제5항~제7항중의 어느 1항에 있어서, 상기 결정화도의 증가를 가져오는 열처리를 폴리프로필렌 2축연신필름 또는 인플레이션필름을 실질적으로 용해하지 않는 제1의 액체의 존재하에서 행하는 폴리프로필렌 다공필름의 제조방법.
- 제4항~제7항중의 어느 1항에 있어서, 상기 적어도 1축향의 연신을 폴리프로필렌필름을 실질적으로 용해하지 않는 제1의 액체의 존재하에서 행하는 폴리프로필렌 다공필름의 제조방법.
- 제8항 또는 제9항에 있어서, 상기 제1의 액체가 다공화을 위한 열처리 또는 연신시의 처리온도 이상의 비점을 갖는 탄화수소인 폴리프로필렌 다공필름의 제조방법.
- 제8항~제10항중의 어느 1항에 있어서, 상기 열처리 또는 연신을 폴리프로필렌을 실질적으로 용해하지 않는 상기 제1의 액체중에서 행한 후, 제1의 액체와 상용성이 있으며, 제1의 액체보다 비점이 낮고 폴리프로필렌과의 친화성이 뒤떨어지는 제2의 액체에 폴리프로필렌필름을 침지시킨 후에 건조하는 폴리프로필렌 다공필름의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP96-108227 | 1996-04-26 | ||
JP10822796 | 1996-04-26 | ||
JP538997A JPH107832A (ja) | 1996-04-26 | 1997-01-16 | 高強度ポリプロピレン多孔フィルム及びその製造方法 |
JP97-005389 | 1997-01-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970070066A true KR970070066A (ko) | 1997-11-07 |
KR100456386B1 KR100456386B1 (ko) | 2005-02-23 |
Family
ID=26339322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970014378A KR100456386B1 (ko) | 1996-04-26 | 1997-04-18 | 폴리프로필렌다공필름의제조방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5968994A (ko) |
EP (1) | EP0803341B1 (ko) |
JP (1) | JPH107832A (ko) |
KR (1) | KR100456386B1 (ko) |
CN (1) | CN1082883C (ko) |
CA (1) | CA2203734A1 (ko) |
DE (1) | DE69730896T2 (ko) |
ID (1) | ID16669A (ko) |
SG (1) | SG52959A1 (ko) |
TW (1) | TW438844B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713213B1 (ko) * | 2007-01-15 | 2007-05-02 | 동양컨설턴트주식회사 | 고압케이블 접속안전튜브 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW431962B (en) * | 1996-11-19 | 2001-05-01 | Mitsui Chemicals Inc | Porpus film of high molecular wight polyolefin and process for producing same |
SG71878A1 (en) * | 1997-12-11 | 2000-04-18 | Sumitomo Chemical Co | Propylene-based polymer composition and foamed article thereof |
GB9806913D0 (en) * | 1998-03-31 | 1998-05-27 | Aw Creative Technologies Ltd | Underground location system |
ATE448072T1 (de) * | 2001-02-21 | 2009-11-15 | New Japan Chem Co Ltd | Aufeinanderfolgend biaxial ausgerichtete, poröse polypropylenfolie und verfahren ihrer herstellung |
DE10305740A1 (de) * | 2003-02-11 | 2004-08-19 | Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verfahren zum Herstellen einer Kunststoff-Folie |
DE10348876B4 (de) * | 2003-10-21 | 2014-04-03 | Jnc Corporation | Poröse Polyolefinmembran |
CN100418741C (zh) * | 2005-06-30 | 2008-09-17 | 佛山塑料集团股份有限公司 | 耐高温聚烯烃微多孔膜的制作方法 |
KR20060001849A (ko) * | 2005-11-15 | 2006-01-06 | (주)인터포어 | 신선 식품 또는 발효 식품 포장용 필름 및 포장용기 |
US8795565B2 (en) | 2006-02-21 | 2014-08-05 | Celgard Llc | Biaxially oriented microporous membrane |
EP2504082A4 (en) * | 2009-11-25 | 2016-11-09 | Univ Sydney | MEMBRANE AND MEMBRANE SEPARATION SYSTEM |
EP2594387A4 (en) | 2010-07-16 | 2015-10-07 | Sekisui Chemical Co Ltd | POLYMER ITEMS AND METHOD FOR PRODUCING THE POLYMER ARTICLE |
DE102012203755A1 (de) * | 2012-03-09 | 2013-09-12 | Evonik Litarion Gmbh | Perforierte Polymerfolien mit verbesserter Toleranz gegen Zugspannung |
TWI453114B (zh) * | 2012-05-11 | 2014-09-21 | Entire Technology Co Ltd | 多孔複合膜的製造方法 |
JP6414378B2 (ja) * | 2012-08-09 | 2018-10-31 | 東洋紡株式会社 | インモールドラベル用ポリプロピレンフィルム |
JP2014169405A (ja) * | 2013-03-04 | 2014-09-18 | Sekisui Chem Co Ltd | プロピレン系樹脂微孔フィルムの製造方法及びプロピレン系樹脂微孔フィルム |
TWI612715B (zh) * | 2015-08-11 | 2018-01-21 | 多孔性薄膜的生產裝置 | |
US20170222205A1 (en) * | 2016-01-29 | 2017-08-03 | Celgard, Llc | Separators, batteries, systems, vehicles, and related methods |
JP6902862B2 (ja) * | 2016-05-31 | 2021-07-14 | 共同印刷株式会社 | ブリスターパック用積層体、及びそれを用いたブリスターパック |
JP6899168B2 (ja) * | 2018-04-10 | 2021-07-07 | エンズパイア インダストリー カンパニー リミテッド | 非抽出性で繊維を含まない食用油除去フィルムの製造方法 |
JP6904490B2 (ja) * | 2018-12-28 | 2021-07-14 | 東洋紡株式会社 | 二軸配向ポリプロピレンフィルム |
JP7247340B2 (ja) * | 2019-05-03 | 2023-03-28 | エルジー エナジー ソリューション リミテッド | 固体電解質膜、その製造方法及びそれを含む全固体電池 |
CN111416086B (zh) * | 2020-03-04 | 2021-09-14 | 华为技术有限公司 | 电池隔膜及其制备方法、电池和终端 |
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US3839516A (en) * | 1971-06-25 | 1974-10-01 | Res Triangle Inst | Process for the preparation of opencelled microporous films |
US3903234A (en) * | 1973-02-01 | 1975-09-02 | Du Pont | Process for preparing filled, biaxially oriented, polymeric film |
US4257997A (en) * | 1979-06-01 | 1981-03-24 | Celanese Corporation | Solvent stretch process for preparing a microporous film |
US4620956A (en) * | 1985-07-19 | 1986-11-04 | Celanese Corporation | Process for preparing microporous polyethylene film by uniaxial cold and hot stretching |
JPS63108041A (ja) * | 1986-06-12 | 1988-05-12 | Tokuyama Soda Co Ltd | 微多孔性フィルム及びその製法 |
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CN1009653B (zh) * | 1988-12-14 | 1990-09-19 | 中国科学院上海有机化学研究所 | 聚丙烯微孔膜及其生产方法 |
KR0147284B1 (ko) * | 1989-01-27 | 1998-08-17 | 스즈끼 세이지 | 다공성 필름 및 그의 제조방법 |
US4975469A (en) * | 1989-03-20 | 1990-12-04 | Amoco Corporation | Oriented porous polypropylene films |
CN1017682B (zh) * | 1990-11-13 | 1992-08-05 | 中国科学院化学研究所 | 高透过性聚丙烯微孔膜及其制法 |
US5674919A (en) * | 1991-12-27 | 1997-10-07 | Mitsui Petrochemical Industries, Ltd. | Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same |
US5759678A (en) * | 1995-10-05 | 1998-06-02 | Mitsubishi Chemical Corporation | High-strength porous film and process for producing the same |
-
1997
- 1997-01-16 JP JP538997A patent/JPH107832A/ja active Pending
- 1997-04-18 KR KR1019970014378A patent/KR100456386B1/ko not_active IP Right Cessation
- 1997-04-22 TW TW86105223A patent/TW438844B/zh not_active IP Right Cessation
- 1997-04-22 US US08/837,726 patent/US5968994A/en not_active Expired - Fee Related
- 1997-04-22 SG SG1997001272A patent/SG52959A1/en unknown
- 1997-04-25 CA CA 2203734 patent/CA2203734A1/en not_active Abandoned
- 1997-04-25 ID ID971386A patent/ID16669A/id unknown
- 1997-04-26 CN CN97111253A patent/CN1082883C/zh not_active Expired - Fee Related
- 1997-04-28 DE DE1997630896 patent/DE69730896T2/de not_active Expired - Fee Related
- 1997-04-28 EP EP19970302897 patent/EP0803341B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713213B1 (ko) * | 2007-01-15 | 2007-05-02 | 동양컨설턴트주식회사 | 고압케이블 접속안전튜브 |
Also Published As
Publication number | Publication date |
---|---|
SG52959A1 (en) | 1998-09-28 |
CN1082883C (zh) | 2002-04-17 |
EP0803341A3 (en) | 1998-03-18 |
CA2203734A1 (en) | 1997-10-26 |
ID16669A (id) | 1997-10-30 |
EP0803341A2 (en) | 1997-10-29 |
JPH107832A (ja) | 1998-01-13 |
DE69730896D1 (de) | 2004-11-04 |
KR100456386B1 (ko) | 2005-02-23 |
CN1173425A (zh) | 1998-02-18 |
US5968994A (en) | 1999-10-19 |
TW438844B (en) | 2001-06-07 |
EP0803341B1 (en) | 2004-09-29 |
DE69730896T2 (de) | 2005-10-13 |
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