KR100720191B1 - 저온 수축성 필름 - Google Patents
저온 수축성 필름 Download PDFInfo
- Publication number
- KR100720191B1 KR100720191B1 KR1020067009860A KR20067009860A KR100720191B1 KR 100720191 B1 KR100720191 B1 KR 100720191B1 KR 1020067009860 A KR1020067009860 A KR 1020067009860A KR 20067009860 A KR20067009860 A KR 20067009860A KR 100720191 B1 KR100720191 B1 KR 100720191B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- ethylene
- fusion
- heat
- copolymer
- 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 - Fee Related
Links
Classifications
-
- 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
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/02—Wrappers or flexible covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
- B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
-
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2331/00—Characterised by the use of 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 acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2331/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2331/04—Homopolymers or copolymers of vinyl acetate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | ||
| 수지 조성 | VL 2: 60 EVA 1 : 40 | VL 3: 40 EVA 1 : 60 | VL 1: 60 EVA 1 : 40 | VL 1: 40 EVA 1 : 60 | |
| 필름의 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율 | 80.8 | 82.7 | 99.95 | 100 | |
| 강도 백분율(종/횡) | 7.0/6.0 | 7.0/6.0 | 7.0/6.0 | 7.0/6.0 | |
| 광학적 성질 | 헤이즈(%) | 1.1 | 1.1 | 1.0 | 1.1 |
| 광택(%) | 143 | 143 | 146 | 145 | |
| 수축성 백분율 (종+횡)/2 | 60℃ | 5 | 4 | 4 | 5 |
| 80℃ | 25 | 24 | 26 | 26 | |
| 100℃ | 65 | 66 | 68 | 68 | |
| 120℃ | 78 | 75 | 78 | 78 | |
| 포장의 수축성 | 5점 | 5점 | 5점 | 5점 | |
| 치수 안정성 평가 | 5점 | 5점 | 5점 | 5점 | |
| 실시예 5 | 실시예 6 | 실시예 7 | 실시예 8 | ||
| 각 표면층의 수지 조성 | VL 2 | EVA 1 | VL 3 | EVA 1 | |
| 중심층의 수지 조성 | VL 2: 60 EVA 1 : 40 | VL 2: 60 EVA 1 : 40 | VL 2: 40 EVA 1 : 60 | VL 3: 60 EVA 1 : 40 | |
| 층의 조성 백분율(%), 표면층/중심층/표면층 | 20/60/20 | 20/60/20 | 20/60/20 | 20/60/20 | |
| 필름의 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율(%) | 76.4 | 88.8 | 72.3 | 84.4 | |
| 강도 백분율(종/횡) | 7.0/6.0 | 7.0/6.0 | 7.0/6.0 | 7.0/6.0 | |
| 광학적 성질 | 헤이즈(%) | 0.9 | 1.0 | 1.0 | 1.0 |
| 광택(%) | 147 | 143 | 145 | 145 | |
| 수축성 백분율 (종+횡)/2 | 60℃ | 5 | 5 | 5 | 5 |
| 80℃ | 25 | 23 | 25 | 24 | |
| 100℃ | 65 | 65 | 65 | 65 | |
| 120℃ | 78 | 78 | 77 | 78 | |
| 포장의 수축성 | 5점 | 5점 | 5점 | 5점 | |
| 치수 안정성 평가 | 5점 | 5점 | 5점 | 5점 | |
| 비교예 1 | 비교예 2 | 비교예 3 | ||
| 수지 조성 | VL 3: 60 EVA 2 : 40 | VL 3: 40 EVA 2 : 60 | VL 4: 70 EVA 1 : 30 | |
| 필름의 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율 | 55.3 | 55.6 | 100 | |
| 강도 백분율(종/횡) | 7.0/6.0 | 7.0/6.0 | 4.0/4.0 | |
| 광학적 성질 | 헤이즈(%) | 1.5 | 1.5 | 1.2 |
| 광택(%) | 143 | 145 | 145 | |
| 수축성 백분율 (종+횡)/2 | 60℃ | 0 | 2 | 28 |
| 80℃ | 8 | 8 | 45 | |
| 100℃ | 14 | 13 | 51 | |
| 120℃ | 78 | 78 | 52 | |
| 포장의 수축성 | 2점 | 2점 | 3점 | |
| 치수 안정성 평가 | 5점 | 5점 | 1점 | |
| 실시예 5 | ||
| 각 표면층의 수지 조성 | VL 2 | |
| 중심층의 수지 조성 | LL 1: 60 EVA 1 : 40 | |
| 층의 조성 백분율(%), 표면층/중심층/표면층 | 20/60/20 | |
| 필름의 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율(%) | 55.2 | |
| 강도 백분율(종/횡) | 7.0/6.0 | |
| 광학적 성질 | 헤이즈(%) | 1.7 |
| 광택(%) | 138 | |
| 수축성 백분율 (종+횡)/2 | 60℃ | 1 |
| 80℃ | 5 | |
| 100℃ | 10 | |
| 120℃ | 78 | |
| 포장의 수축성 | 2점 | |
| 치수 안정성 평가 | 5점 | |
Claims (5)
- 밀도가 0.870g/㎤ 내지 0.920g/㎤인 적어도 1종의 에틸렌-α-올레핀 공중합체(A)와 시차 주사 열량계의 2차 융해 거동에 있어서 110℃ 미만의 주피크를 가진 적어도 1종의 에틸렌계 공중합체(B)를 함유하고,(1) 에틸렌-α-올레핀 공중합체(A)의 시차 주사 열량계의 2차 융해 거동에 있어서 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율이 50% 내지 100%이고,(2) 필름의 시차 주사 열량계의 2차 융해 거동에 있어서 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율이 60% 내지 100%이며,(3) 필름의 종방향에서의 열수축성 백분율과 횡방향에서의 열수축성 백분율의 평균치가 60℃에서 0% 내지 15%, 100℃에서 50% 이상, 120℃에서 70% 이상인 것을 특징으로 하는 저온 수축성 필름.
- 제1항에 있어서, 에틸렌계 공중합체(B)는 비닐 아세테이트를 5중량% 내지 40중량% 포함하는 에틸렌-비닐 아세테이트 공중합체인 저온 수축성 필름.
- 제1항에 있어서, 에틸렌-α-올레핀 공중합체(A)의 분자량 분포(Mw/Mn)는 3.5 이하인 저온 수축성 필름.
- 밀도가 0.870g/㎤ 내지 0.920g/㎤인 적어도 1종의 에틸렌-α-올레핀 공중합 체(A)와 시차 주사 열량계의 2차 융해 거동에 있어서 110℃ 미만의 주피크를 가진 적어도 1종의 에틸렌계 공중합체(B)를 함유하고,(1) 에틸렌-α-올레핀 공중합체(A)의 시차 주사 열량계의 2차 융해 거동에 있어서 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율이 50% 내지 100%이고,(2) 필름의 시차 주사 열량계의 2차 융해 거동에 있어서, 전체 융해열에 대한 100℃ 이하에서의 융해열의 비율이 60% 내지 100%인 수지 조성물을 원형 다이로부터 압출시키는 공정과,그 결과 얻은 관형 필름을 연신기 내에 유도하는 공정과,상기 관형 필름을 연신기 내에서 재가열하여 연신시키는 공정을 포함하며, 여기서 연신 개시 온도는 수지의 융점 이상의 온도로서, 80℃ 내지 150℃인 것인 저온 수축성 필름의 제조 방법.
- 제1항 내지 제3항 중 어느 하나의 항에 따른 필름을 사용하여 유리 전이 온도가 90℃ 이하인 열가소성 수지제 용기를 수축 포장시킨 포장재.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003392281 | 2003-11-21 | ||
| JPJP-P-2003-00392281 | 2003-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060090278A KR20060090278A (ko) | 2006-08-10 |
| KR100720191B1 true KR100720191B1 (ko) | 2007-05-23 |
Family
ID=34616442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020067009860A Expired - Fee Related KR100720191B1 (ko) | 2003-11-21 | 2004-11-19 | 저온 수축성 필름 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20070122600A1 (ko) |
| EP (1) | EP1688455A1 (ko) |
| JP (1) | JP4744300B2 (ko) |
| KR (1) | KR100720191B1 (ko) |
| CN (1) | CN1882641A (ko) |
| MY (1) | MY145395A (ko) |
| TW (1) | TWI266780B (ko) |
| WO (1) | WO2005049702A1 (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4818169B2 (ja) * | 2007-03-14 | 2011-11-16 | 旭化成ケミカルズ株式会社 | 熱収縮性多層フィルム |
| ITMO20070323A1 (it) | 2007-10-22 | 2009-04-23 | Illycaffe Spa | Contenitore |
| WO2009067395A1 (en) * | 2007-11-21 | 2009-05-28 | Mitsubishi Polyester Film, Inc. | Polyester film having latent shrink properties and process for producing same |
| JP5997591B2 (ja) * | 2012-11-19 | 2016-09-28 | 旭化成株式会社 | 低温収縮性オーバーラップ包装用フィルム |
| US11059614B2 (en) * | 2016-08-29 | 2021-07-13 | Johns Manville | Insulation packaging system |
| WO2018168960A1 (ja) * | 2017-03-15 | 2018-09-20 | 株式会社カネカ | 延伸フィルムおよび延伸フィルムの製造方法 |
| WO2019041176A1 (zh) | 2017-08-30 | 2019-03-07 | 胡敏生 | 低温热裱膜及其制备方法和应用 |
| JP7840473B1 (ja) * | 2025-10-21 | 2026-04-03 | タキロンシーアイ株式会社 | ポリエチレン系熱収縮フィルム及びポリエチレン系熱収縮フィルムの製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62201229A (ja) * | 1986-03-03 | 1987-09-04 | Kohjin Co Ltd | 熱収縮性フイルム |
| JPS6445622A (en) * | 1987-08-14 | 1989-02-20 | Kohjin Co | Manufacture of polyethylene-based heat-shrinkable film |
| JPH08311258A (ja) * | 1995-05-17 | 1996-11-26 | Sekisui Chem Co Ltd | 樹脂組成物およびそれから得られた熱収縮性フィルム |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112885A (ja) * | 1994-10-17 | 1996-05-07 | Okura Ind Co Ltd | 熱収縮性フィルム |
| JPH11124446A (ja) * | 1997-10-23 | 1999-05-11 | Okura Ind Co Ltd | 熱収縮性フィルム |
| JPH11152377A (ja) * | 1997-11-21 | 1999-06-08 | Ube Ind Ltd | エチレン−α−オレフィン共重合体よりなる熱収縮性フィルム |
| JP2001026053A (ja) * | 1999-07-14 | 2001-01-30 | Japan Polychem Corp | 熱収縮性フィルムの製造法 |
| JP2001240711A (ja) * | 2000-03-01 | 2001-09-04 | Japan Polychem Corp | 熱収縮性ポリプロピレン系延伸フィルム |
-
2004
- 2004-11-19 TW TWLOW-TEMPEA patent/TWI266780B/zh not_active IP Right Cessation
- 2004-11-19 CN CNA2004800339778A patent/CN1882641A/zh active Pending
- 2004-11-19 WO PCT/JP2004/017253 patent/WO2005049702A1/ja not_active Ceased
- 2004-11-19 JP JP2005515657A patent/JP4744300B2/ja not_active Expired - Lifetime
- 2004-11-19 US US10/578,846 patent/US20070122600A1/en not_active Abandoned
- 2004-11-19 EP EP04818976A patent/EP1688455A1/en not_active Withdrawn
- 2004-11-19 MY MYPI20044802A patent/MY145395A/en unknown
- 2004-11-19 KR KR1020067009860A patent/KR100720191B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62201229A (ja) * | 1986-03-03 | 1987-09-04 | Kohjin Co Ltd | 熱収縮性フイルム |
| JPS6445622A (en) * | 1987-08-14 | 1989-02-20 | Kohjin Co | Manufacture of polyethylene-based heat-shrinkable film |
| JPH08311258A (ja) * | 1995-05-17 | 1996-11-26 | Sekisui Chem Co Ltd | 樹脂組成物およびそれから得られた熱収縮性フィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005049702A1 (ja) | 2007-06-07 |
| KR20060090278A (ko) | 2006-08-10 |
| TW200535186A (en) | 2005-11-01 |
| TWI266780B (en) | 2006-11-21 |
| MY145395A (en) | 2012-02-15 |
| JP4744300B2 (ja) | 2011-08-10 |
| CN1882641A (zh) | 2006-12-20 |
| WO2005049702A1 (ja) | 2005-06-02 |
| EP1688455A1 (en) | 2006-08-09 |
| US20070122600A1 (en) | 2007-05-31 |
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