BE653621A - - Google Patents
Info
- Publication number
- BE653621A BE653621A BE653621DA BE653621A BE 653621 A BE653621 A BE 653621A BE 653621D A BE653621D A BE 653621DA BE 653621 A BE653621 A BE 653621A
- Authority
- BE
- Belgium
- Prior art keywords
- sheet
- temperature
- stretching
- polypropylene
- stretched
- Prior art date
Links
- 239000004743 Polypropylene Substances 0.000 claims description 28
- -1 polypropylene Polymers 0.000 claims description 28
- 229920001155 polypropylene Polymers 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 2
- 238000004806 packaging method and process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007573 shrinkage measurement Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE653621A true BE653621A (de) |
Family
ID=206309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE653621D BE653621A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE653621A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808358A (en) * | 1986-08-07 | 1989-02-28 | R D B Plastotecnica S.P.A. | Process to obtain molecular orientations in perforated plates made of extruded plastic material |
-
0
- BE BE653621D patent/BE653621A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808358A (en) * | 1986-08-07 | 1989-02-28 | R D B Plastotecnica S.P.A. | Process to obtain molecular orientations in perforated plates made of extruded plastic material |
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