JPH10510855A - 包装用プラスチック材料 - Google Patents
包装用プラスチック材料Info
- Publication number
- JPH10510855A JPH10510855A JP8518302A JP51830296A JPH10510855A JP H10510855 A JPH10510855 A JP H10510855A JP 8518302 A JP8518302 A JP 8518302A JP 51830296 A JP51830296 A JP 51830296A JP H10510855 A JPH10510855 A JP H10510855A
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- weight
- copolymer
- meth
- acrylate
- 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.)
- Granted
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
-
- 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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- 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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Packages (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ポリスチレンとエチレンコポリマーを最初に溶融混合し、得られたブレンド を更に同じエチレンコポリマーと溶融混合或いは乾燥混合のいずれかで混合して 、1〜50重量%のポリスチレン及び99〜50重量%のエチレンコポリマーを含有す る最終ポリマーブレンドを得ることを特徴とするシール性かつ可剥性ポリマーブ レンドの製造方法。 2.最終ブレンドが5〜30重量%のポリスチレン及び95〜70重量%のエチレンコ ポリマーを含有することを特徴とする請求項1記載の方法。 3.第二の混合を乾燥混合により行うことを特徴とする請求項1又は2のいずれ か1つの項に記載の方法。 4.第二の混合を溶融混合により行うことを特徴とする請求項1又は2のいずれ か1つの項に記載の方法。 5.最初のブレンドが1〜80重量%のポリスチレン及び99〜20重量%のエチレン コポリマーを含有することを特徴とする請求項1又は2のいずれか1つの項に記 載の方法。 6.エチレンコポリマーが、5〜40重量%のメチル(メト)アクリレートを含有 するエチレン/メチル(メト)アクリレートコポリマーであることを特徴とする 請求項1〜5のいずれか1つの項に記載の方法。 7.エチレンコポリマーが、10〜30重量%のエチル(メト)アクリレートを含有 するエチレン/エチル(メト)アクリレートコポリマーであることを特徴とする 請求項1〜5のいずれか1つの項に記載の方法。 8.エチレンコポリマーが、5〜30重量%のブチル(メト)アクリレートを含有 するエチレン/ブチル(メト)アクリレートコポリマーであることを特徴とする 請求項1〜5のいずれか1つの項に記載の方法。 9.エチレンコポリマーが、10〜30重量%のビニルアセテートを含有するエチレ ン/ビニルアセテートコポリマーであることを特徴とする請求項1〜5のいずれ か1つの項に記載の方法。 10.ポリスチレンが耐衝撃性ポリスチレンであることを特徴とする請求項1〜 9のいずれか1つの項に記載の方法。 11.請求項1〜10のいずれか1つの項に記載の方法により製造されたポリマ ー組成物から製造されることを特徴とする包装用フィルム又はシート。 12.フィルム又はシートの一つの層が、請求項1〜10のいずれか1つの項に 記載の方法により製造されたポリマー組成物から製造されることを特徴とする層 構造体。 13.蓋に使用される可剥性ポリマーブレンドが、請求項1〜10のいずれか1 つの項に記載の方法により製造されることを特徴とする密閉蓋付き容器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI945827A FI101891B1 (fi) | 1994-12-12 | 1994-12-12 | Menetelmä saumattavan ja piilattavan muovimateriaalin valmistamiseksi |
FI945827 | 1994-12-12 | ||
PCT/FI1995/000664 WO1996018680A1 (en) | 1994-12-12 | 1995-12-05 | Plastic material for packages |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005018988A Division JP2005163052A (ja) | 1994-12-12 | 2005-01-26 | 包装用プラスチック材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10510855A true JPH10510855A (ja) | 1998-10-20 |
JP3673820B2 JP3673820B2 (ja) | 2005-07-20 |
Family
ID=8541956
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51830296A Expired - Fee Related JP3673820B2 (ja) | 1994-12-12 | 1995-12-05 | 包装用プラスチック材料の製造方法 |
JP2005018988A Pending JP2005163052A (ja) | 1994-12-12 | 2005-01-26 | 包装用プラスチック材料 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005018988A Pending JP2005163052A (ja) | 1994-12-12 | 2005-01-26 | 包装用プラスチック材料 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0797623B1 (ja) |
JP (2) | JP3673820B2 (ja) |
AT (1) | ATE206446T1 (ja) |
DE (1) | DE69523069T2 (ja) |
FI (1) | FI101891B1 (ja) |
WO (1) | WO1996018680A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120111760A1 (en) | 2009-07-29 | 2012-05-10 | Cryovac, Inc. | Easy-to-open package |
ES2711023B2 (es) * | 2017-10-27 | 2019-10-17 | Viscofan Sa | Film activo de poliestireno |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK262081A (da) * | 1980-06-20 | 1981-12-21 | Ucb Sa | Varmeforseglelig emballeringsfilm der tilvejebringer en skillelig forsegling |
CA1265277A (en) * | 1984-02-09 | 1990-01-30 | Minnesota Mining And Manufacturing Company | Polymeric coating for container induction innerseal |
FR2682666B1 (fr) * | 1991-10-18 | 1994-01-21 | Atochem | Film thermoscellable et pelable pour recipients en polystyrene et procede de scellage au moyen dudit film. |
FI94255C (fi) * | 1992-11-13 | 1995-08-10 | Borealis Holding As | Muovimateriaali pakkauksia varten |
-
1994
- 1994-12-12 FI FI945827A patent/FI101891B1/fi not_active IP Right Cessation
-
1995
- 1995-12-05 EP EP95939296A patent/EP0797623B1/en not_active Expired - Lifetime
- 1995-12-05 WO PCT/FI1995/000664 patent/WO1996018680A1/en active IP Right Grant
- 1995-12-05 AT AT95939296T patent/ATE206446T1/de not_active IP Right Cessation
- 1995-12-05 JP JP51830296A patent/JP3673820B2/ja not_active Expired - Fee Related
- 1995-12-05 DE DE69523069T patent/DE69523069T2/de not_active Expired - Lifetime
-
2005
- 2005-01-26 JP JP2005018988A patent/JP2005163052A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69523069T2 (de) | 2002-04-25 |
FI101891B (fi) | 1998-09-15 |
EP0797623A1 (en) | 1997-10-01 |
FI945827A (fi) | 1996-06-13 |
EP0797623B1 (en) | 2001-10-04 |
JP2005163052A (ja) | 2005-06-23 |
ATE206446T1 (de) | 2001-10-15 |
FI101891B1 (fi) | 1998-09-15 |
FI945827A0 (fi) | 1994-12-12 |
WO1996018680A1 (en) | 1996-06-20 |
JP3673820B2 (ja) | 2005-07-20 |
DE69523069D1 (de) | 2001-11-08 |
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