PL403393A1 - Method for preparing a granulate for the production of permeable polyethylene film - Google Patents
Method for preparing a granulate for the production of permeable polyethylene filmInfo
- Publication number
- PL403393A1 PL403393A1 PL403393A PL40339313A PL403393A1 PL 403393 A1 PL403393 A1 PL 403393A1 PL 403393 A PL403393 A PL 403393A PL 40339313 A PL40339313 A PL 40339313A PL 403393 A1 PL403393 A1 PL 403393A1
- Authority
- PL
- Poland
- Prior art keywords
- amount
- production
- ethylene
- weight
- granulate
- Prior art date
Links
- 239000004698 Polyethylene Substances 0.000 title abstract 3
- 239000008187 granular material Substances 0.000 title abstract 3
- -1 polyethylene Polymers 0.000 title abstract 3
- 229920000573 polyethylene Polymers 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 3
- 239000005977 Ethylene Substances 0.000 abstract 3
- 229920001577 copolymer Polymers 0.000 abstract 3
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Sposób wytwarzania granulatu do produkcji polietylenowych folii paroprzepuszczalnych zawierających węglan wapnia oraz kopolimer etylenu i octanu winylu, charakteryzuje się tym, że węglan wapnia w ilości do 50% miesza się z granulatem kopolimeru etylenu i octanu winylu w ilości od 0,5 do 10% masowych, oraz z granulatem metalocenowego kopolimeru etylenu i heksenu w ilości od 20 do 50% masowych, oraz z granulatem polietylenu w ilości od 5 do 20% masowych. Mieszaninę tę wytłacza się następnie przy użyciu wytłaczarki wieloślimakowej, korzystnie dwuślimakowej o specjalnej konfiguracji ślimaków, przy zastosowaniu temperatury poszczególnych stref grzewczych cylindra wytłaczarki co najmniej 150°C i prędkości obrotowej ślimaków w zakresie do 950 min-1.The method of producing granules for the production of vapor-permeable polyethylene films containing calcium carbonate and ethylene and vinyl acetate copolymer is characterized in that calcium carbonate in an amount of up to 50% is mixed with granules of ethylene and vinyl acetate copolymer in an amount of 0.5 to 10% by weight, and with granulated metallocene copolymer of ethylene and hexene in an amount of 20 to 50% by weight, and with granulated polyethylene in an amount of 5 to 20% by weight. This mixture is then extruded using a multi-screw extruder, preferably a twin-screw extruder with a special configuration of screws, using the temperature of the individual heating zones of the extruder barrel at least 150°C and the rotational speed of the screws in the range of up to 950 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL403393A PL225648B1 (en) | 2013-04-02 | 2013-04-02 | Method for preparing a granulate for the production of permeable polyethylene film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL403393A PL225648B1 (en) | 2013-04-02 | 2013-04-02 | Method for preparing a granulate for the production of permeable polyethylene film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL403393A1 true PL403393A1 (en) | 2014-10-13 |
| PL225648B1 PL225648B1 (en) | 2017-05-31 |
Family
ID=51662776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL403393A PL225648B1 (en) | 2013-04-02 | 2013-04-02 | Method for preparing a granulate for the production of permeable polyethylene film |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL225648B1 (en) |
-
2013
- 2013-04-02 PL PL403393A patent/PL225648B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL225648B1 (en) | 2017-05-31 |
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