DE3879379D1 - Biorientierte folien aus aethylen/alpha-olefin-copolymeren. - Google Patents

Biorientierte folien aus aethylen/alpha-olefin-copolymeren.

Info

Publication number
DE3879379D1
DE3879379D1 DE8888202317T DE3879379T DE3879379D1 DE 3879379 D1 DE3879379 D1 DE 3879379D1 DE 8888202317 T DE8888202317 T DE 8888202317T DE 3879379 T DE3879379 T DE 3879379T DE 3879379 D1 DE3879379 D1 DE 3879379D1
Authority
DE
Germany
Prior art keywords
alpha
ethylene
aethylene
olefin copolymers
bioriented films
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 - Lifetime
Application number
DE8888202317T
Other languages
English (en)
Other versions
DE3879379T2 (de
Inventor
Pasquale Giovanni Di
Luigi Flocco
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.)
Enichem Anic SpA
Original Assignee
Enichem Anic SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11196868&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3879379(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Enichem Anic SpA filed Critical Enichem Anic SpA
Application granted granted Critical
Publication of DE3879379D1 publication Critical patent/DE3879379D1/de
Publication of DE3879379T2 publication Critical patent/DE3879379T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • 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 more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0049—Heat shrinkable
    • 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
    • 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
DE8888202317T 1987-11-02 1988-10-18 Biorientierte folien aus aethylen/alpha-olefin-copolymeren. Expired - Lifetime DE3879379T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22482/87A IT1223335B (it) 1987-11-02 1987-11-02 Film biorientati di copolimeri etilene olefina

Publications (2)

Publication Number Publication Date
DE3879379D1 true DE3879379D1 (de) 1993-04-22
DE3879379T2 DE3879379T2 (de) 1993-08-19

Family

ID=11196868

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888202317T Expired - Lifetime DE3879379T2 (de) 1987-11-02 1988-10-18 Biorientierte folien aus aethylen/alpha-olefin-copolymeren.

Country Status (5)

Country Link
EP (1) EP0315238B1 (de)
AT (1) ATE86918T1 (de)
DE (1) DE3879379T2 (de)
ES (1) ES2054787T3 (de)
IT (1) IT1223335B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL92868A0 (en) * 1989-12-25 1990-09-17 Syfan Shrink films
FR2727050A1 (fr) * 1994-11-21 1996-05-24 Bollore Technologies Procede de preparation d'un film ultramince thermoretractable bi-oriente et film ultramince notamment obtenu par ledit procede
FR2759085B1 (fr) * 1997-02-04 2002-09-06 Oreal Materiau plastique presentant une bonne resistance au stress-cracking et conditionnement constitue de ce materiau

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734145A (en) * 1980-08-07 1982-02-24 Mitsui Petrochem Ind Ltd Ethylene-alpha-olefin copolymer composition
GB8412960D0 (en) * 1984-05-21 1984-06-27 Bcl Ltd Wrapping film of ethylene copolymers
JPS61112627A (ja) * 1984-11-08 1986-05-30 Showa Denko Kk 低温熱収縮性フイルム
CA1297651C (en) * 1986-03-03 1992-03-24 Tomoji Mizutani Heat shrinkable film

Also Published As

Publication number Publication date
DE3879379T2 (de) 1993-08-19
IT8722482A0 (it) 1987-11-02
ES2054787T3 (es) 1994-08-16
EP0315238A2 (de) 1989-05-10
ATE86918T1 (de) 1993-04-15
EP0315238B1 (de) 1993-03-17
IT1223335B (it) 1990-09-19
EP0315238A3 (en) 1990-10-31

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: ENICHEM ANIC S.R.L., PALERMO, IT

8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Representative=s name: PFENNING MEINIG & PARTNER GBR, 80339 MUENCHEN