IT1151736B - RETRACTABLE FILM OF ETHYLENE / ALPHA-OLEPHINE COPOLYMERS - Google Patents

RETRACTABLE FILM OF ETHYLENE / ALPHA-OLEPHINE COPOLYMERS

Info

Publication number
IT1151736B
IT1151736B IT20883/82A IT2088382A IT1151736B IT 1151736 B IT1151736 B IT 1151736B IT 20883/82 A IT20883/82 A IT 20883/82A IT 2088382 A IT2088382 A IT 2088382A IT 1151736 B IT1151736 B IT 1151736B
Authority
IT
Italy
Prior art keywords
alpha
ethylene
retractable film
olephine
copolymers
Prior art date
Application number
IT20883/82A
Other languages
Italian (it)
Other versions
IT8220883A0 (en
Inventor
Ralph Crosby Golike
Original Assignee
Du Pont
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
Application filed by Du Pont filed Critical Du Pont
Publication of IT8220883A0 publication Critical patent/IT8220883A0/en
Application granted granted Critical
Publication of IT1151736B publication Critical patent/IT1151736B/en

Links

Classifications

    • 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
    • C08L23/06—Polyethene
    • 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
    • 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
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • 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
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (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)
IT20883/82A 1981-04-23 1982-04-22 RETRACTABLE FILM OF ETHYLENE / ALPHA-OLEPHINE COPOLYMERS IT1151736B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25681281A 1981-04-23 1981-04-23

Publications (2)

Publication Number Publication Date
IT8220883A0 IT8220883A0 (en) 1982-04-22
IT1151736B true IT1151736B (en) 1986-12-24

Family

ID=22973685

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20883/82A IT1151736B (en) 1981-04-23 1982-04-22 RETRACTABLE FILM OF ETHYLENE / ALPHA-OLEPHINE COPOLYMERS

Country Status (8)

Country Link
JP (1) JPS57181828A (en)
BE (1) BE892927A (en)
CA (1) CA1174423A (en)
DE (1) DE3215120A1 (en)
FR (1) FR2504537B1 (en)
GB (1) GB2097324B (en)
IT (1) IT1151736B (en)
NL (1) NL189515C (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188323A (en) * 1981-05-16 1982-11-19 Nippon Telegr & Teleph Corp <Ntt> Manufacture of heat shrinkable tape
ATE51639T1 (en) * 1982-04-26 1990-04-15 American National Can Co POLYMER MATERIAL COMPOSITION, ORIENTED POLYMER FILMS AND SHRINKABLE BAGS MADE THEREOF.
US4457960A (en) * 1982-04-26 1984-07-03 American Can Company Polymeric and film structure for use in shrink bags
JPS59229317A (en) * 1983-06-13 1984-12-22 Showa Denko Kk Preparation of low temperature heat-shrinkable film
FR2561246B1 (en) * 1983-11-10 1987-01-16 Charbonnages Ste Chimique POLYMERIC COMPOSITIONS BASED ON ETHYLENE COPOLYMERS AND HOMOPOLYMERS AND THEIR APPLICATION TO THE INSULATION OF METAL CONDUCTORS, ESPECIALLY TELEPHONE WIRES
JPS61112627A (en) * 1984-11-08 1986-05-30 Showa Denko Kk Low-temperature heat-shrink film
JPS61123516A (en) * 1984-11-21 1986-06-11 Showa Denko Kk Film heat-shrinkable at low temperature
JPH0720664B2 (en) * 1985-05-29 1995-03-08 三菱化学株式会社 Method for producing low density polyethylene biaxially stretched film
CA1340037C (en) * 1985-06-17 1998-09-08 Stanley Lustig Puncture resistant, heat-shrinkable films containing very low density polyethylene copolymer
US4976898A (en) * 1985-06-17 1990-12-11 Viskase Corporation Process for making puncture resistant, heat-shrinkable films containing very low density polyethylene
US5059481A (en) * 1985-06-17 1991-10-22 Viskase Corporation Biaxially stretched, heat shrinkable VLDPE film
US5256351A (en) * 1985-06-17 1993-10-26 Viskase Corporation Process for making biaxially stretched, heat shrinkable VLDPE films
USRE35285E (en) * 1985-09-30 1996-06-25 W. R. Grace & Co.-Conn. Thermoplastic multi-layer packaging film and bags made therefrom
JPH0613192B2 (en) * 1986-03-03 1994-02-23 株式会社興人 Heat shrinkable film
CA1297651C (en) * 1986-03-03 1992-03-24 Tomoji Mizutani Heat shrinkable film
JPH085172B2 (en) * 1987-01-13 1996-01-24 株式会社興人 Polyolefin-based heat-shrinkable laminated film
EP0299750B1 (en) * 1987-07-13 1994-09-28 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same
JPH0729378B2 (en) * 1987-08-14 1995-04-05 株式会社興人 Method for producing polyethylene heat-shrinkable film
US5032463A (en) * 1988-07-18 1991-07-16 Viskase Corporation Very low density polyethylene film from blends
WO1990001409A1 (en) * 1988-08-15 1990-02-22 Kohjin Co., Ltd. Process for producing heat-shrinkable polyethylene film
JP2643348B2 (en) * 1988-09-01 1997-08-20 三井石油化学工業株式会社 Polyethylene resin composition and film
CA2003882C (en) 1988-12-19 1997-01-07 Edwin Rogers Smith Heat shrinkable very low density polyethylene terpolymer film
CA2044312C (en) * 1990-06-12 2000-05-16 Masaki Kohyama Ethylene/pentene-1 copolymer compositions and their use
JPH0664039A (en) * 1992-08-20 1994-03-08 Mitsui Petrochem Ind Ltd Method and apparatus for production of biaxially oriented film and shrink film
ES2096949T3 (en) * 1992-10-02 1997-03-16 Du Pont IMPROVED RETRACTILE FILM AND PROCEDURES RELATED TO IT.
ATE291059T1 (en) 1992-11-13 2005-04-15 Cryovac Inc HEAT SHRINKABLE FILMS CONTAINING COPOLYMERS PRODUCED BY SINGLE SITE CATALYSIS.
IT1266781B1 (en) * 1993-11-08 1997-01-21 Grace W R & Co BIAXIALLY ORIENTED AND HEAT SHRINK MULTILAYER FILMS, PROCEDURE FOR PRODUCING THEM AND THEIR USE TO PACKAGE PRODUCTS
US6287613B1 (en) 1994-12-12 2001-09-11 Cryovac Inc Patch bag comprising homogeneous ethylene/alpha-olefin copolymer
GB0217522D0 (en) * 2002-07-29 2002-09-04 Borealis Tech Oy Product
CA2663929A1 (en) * 2006-11-21 2008-05-29 Fina Technology, Inc. Polyethylene useful for producing film and molded articles in a process which uses solid state stretching
JP2010270227A (en) * 2009-05-21 2010-12-02 Tohcello Co Ltd Biaxially oriented ethylene-based copolymer film
ES2659232T3 (en) 2013-02-20 2018-03-14 Prime Polymer Co., Ltd. Biaxially stretched film, and ethylene type polymer composition
JP6596017B2 (en) 2014-04-09 2019-10-23 ダウ グローバル テクノロジーズ エルエルシー Oriented polyethylene film and method for making the same
KR101994560B1 (en) 2014-09-10 2019-06-28 미쓰이 가가쿠 토세로 가부시키가이샤 Biaxially oriented ethylene polymer film and packaging

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU41935A1 (en) * 1961-06-26 1962-12-22
GB1035887A (en) * 1964-04-15 1966-07-13 Du Pont Improvements relating to films
JPS5952643B2 (en) * 1977-01-27 1984-12-20 三井化学株式会社 ethylene copolymer
JPS56144926A (en) * 1980-04-15 1981-11-11 Mitsubishi Petrochem Co Ltd Monoaxially stretched product of ethylenic resin

Also Published As

Publication number Publication date
JPS57181828A (en) 1982-11-09
BE892927A (en) 1982-10-22
FR2504537B1 (en) 1986-10-03
GB2097324A (en) 1982-11-03
NL8201675A (en) 1982-11-16
IT8220883A0 (en) 1982-04-22
GB2097324B (en) 1984-06-06
NL189515C (en) 1993-05-03
FR2504537A1 (en) 1982-10-29
JPH0354048B2 (en) 1991-08-19
DE3215120C2 (en) 1991-07-25
CA1174423A (en) 1984-09-18
DE3215120A1 (en) 1982-12-09

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423