BR8804502A - Pelicula termoplastica de poliolefina tendo propriedades melhoradas de transmissao de oxigenio e processo para sua obtencao - Google Patents
Pelicula termoplastica de poliolefina tendo propriedades melhoradas de transmissao de oxigenio e processo para sua obtencaoInfo
- Publication number
- BR8804502A BR8804502A BR8804502A BR8804502A BR8804502A BR 8804502 A BR8804502 A BR 8804502A BR 8804502 A BR8804502 A BR 8804502A BR 8804502 A BR8804502 A BR 8804502A BR 8804502 A BR8804502 A BR 8804502A
- Authority
- BR
- Brazil
- Prior art keywords
- obtaining
- thermoplastic film
- oxygen transmission
- transmission properties
- improved oxygen
- Prior art date
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 230000005540 biological transmission Effects 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 229920000098 polyolefin Polymers 0.000 title 1
- 229920001169 thermoplastic Polymers 0.000 title 1
- 239000004416 thermosoftening plastic Substances 0.000 title 1
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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
-
- 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
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)
- Compositions Of Macromolecular Compounds (AREA)
- Packages (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Wrappers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9201987A | 1987-09-02 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8804502A true BR8804502A (pt) | 1989-04-04 |
Family
ID=22230875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8804502A BR8804502A (pt) | 1987-09-02 | 1988-09-01 | Pelicula termoplastica de poliolefina tendo propriedades melhoradas de transmissao de oxigenio e processo para sua obtencao |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0308106A3 (pt) |
| JP (1) | JPH0195138A (pt) |
| AU (1) | AU2182488A (pt) |
| BR (1) | BR8804502A (pt) |
| ZA (1) | ZA886000B (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5112674A (en) * | 1989-11-07 | 1992-05-12 | Exxon Chemical Company Inc. | Cling packaging film for wrapping food products |
| US5076988A (en) * | 1990-03-09 | 1991-12-31 | Union Carbide Chemicals And Plastics Technology Corporation | Process for the extrusion of low density polyethylene |
| US5256458A (en) * | 1990-09-18 | 1993-10-26 | Viskase Corporation | Shirred thermoplastic casing having external non-oil based lubricating coating |
| US5866267A (en) * | 1994-11-07 | 1999-02-02 | W. R. Grace & Co.-Conn. | Oriented film with improved memory |
| ITTO20030043A1 (it) * | 2003-01-28 | 2004-07-29 | Nuova Poliver Di Oddone Colomba & C Snc | Pellicola di polietilene per l'imballaggio di prodotti alimentari |
| US7338708B2 (en) * | 2003-03-05 | 2008-03-04 | Cryovac, Inc. | Thick shrink film having high oxygen transmission rate |
| US7163967B2 (en) * | 2003-12-01 | 2007-01-16 | Cryovac, Inc. | Method of increasing the gas transmission rate of a film |
| US7335327B2 (en) | 2003-12-31 | 2008-02-26 | Cryovac, Inc. | Method of shrinking a film |
| US7678841B2 (en) | 2005-08-19 | 2010-03-16 | Cryovac, Inc. | Increasing the gas transmission rate of a film comprising fullerenes |
| CN106527310A (zh) * | 2016-10-31 | 2017-03-22 | 深圳前海弘稼科技有限公司 | 农作物大棚的自动监控方法和装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881507A (en) * | 1959-11-02 | 1961-11-01 | Continental Can Co | Improvements in or relating to polyethylene film |
| US3415925A (en) * | 1967-08-01 | 1968-12-10 | Grace W R & Co | Process for preparing permeable polyethylene film |
| JPS5296654A (en) * | 1976-02-10 | 1977-08-13 | Ube Ind Ltd | Wrapping films |
| JPS58191734A (ja) * | 1982-05-01 | 1983-11-09 | Fujikura Ltd | 延伸フイルム |
| NL8701219A (nl) * | 1987-05-22 | 1988-12-16 | Stamicarbon | Werkwijze voor het bereiden van een ultra-verstrekbaar polymeer materiaal, ultra-verstrekbaar polymeermateriaal, alsmede werkwijze voor het vervaardigen van voorwerpen. |
-
1988
- 1988-08-12 ZA ZA886000A patent/ZA886000B/xx unknown
- 1988-08-31 JP JP63215345A patent/JPH0195138A/ja active Pending
- 1988-09-01 EP EP88308109A patent/EP0308106A3/en not_active Withdrawn
- 1988-09-01 BR BR8804502A patent/BR8804502A/pt unknown
- 1988-09-02 AU AU21824/88A patent/AU2182488A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP0308106A2 (en) | 1989-03-22 |
| EP0308106A3 (en) | 1990-04-25 |
| ZA886000B (en) | 1989-04-26 |
| JPH0195138A (ja) | 1989-04-13 |
| AU2182488A (en) | 1989-03-02 |
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