BE561731A - - Google Patents
Info
- Publication number
- BE561731A BE561731A BE561731DA BE561731A BE 561731 A BE561731 A BE 561731A BE 561731D A BE561731D A BE 561731DA BE 561731 A BE561731 A BE 561731A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- tubular film
- polypropylene
- film
- temperature
- Prior art date
Links
- -1 polypropylene Polymers 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 13
- 229920001155 polypropylene Polymers 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000004513 sizing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 229920001169 thermoplastic Polymers 0.000 description 6
- 239000004416 thermosoftening plastic Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE561731A true BE561731A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=183580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE561731D BE561731A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE561731A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- BE BE561731D patent/BE561731A/fr unknown
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