JPH0252645B2 - - Google Patents
Info
- Publication number
- JPH0252645B2 JPH0252645B2 JP7971282A JP7971282A JPH0252645B2 JP H0252645 B2 JPH0252645 B2 JP H0252645B2 JP 7971282 A JP7971282 A JP 7971282A JP 7971282 A JP7971282 A JP 7971282A JP H0252645 B2 JPH0252645 B2 JP H0252645B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- odor
- pellets
- water
- molding
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 229920000098 polyolefin Polymers 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 235000019645 odor Nutrition 0.000 description 39
- 239000008188 pellet Substances 0.000 description 36
- 229920000642 polymer Polymers 0.000 description 27
- 238000000465 moulding Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 229920001684 low density polyethylene Polymers 0.000 description 12
- 239000004702 low-density polyethylene Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 230000001953 sensory effect Effects 0.000 description 7
- 150000003384 small molecules Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000005587 bubbling Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920013730 reactive polymer Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7971282A JPS58196235A (ja) | 1982-05-12 | 1982-05-12 | オレフイン重合体の臭気低減方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7971282A JPS58196235A (ja) | 1982-05-12 | 1982-05-12 | オレフイン重合体の臭気低減方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58196235A JPS58196235A (ja) | 1983-11-15 |
| JPH0252645B2 true JPH0252645B2 (zh) | 1990-11-14 |
Family
ID=13697814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7971282A Granted JPS58196235A (ja) | 1982-05-12 | 1982-05-12 | オレフイン重合体の臭気低減方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58196235A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5054256B2 (ja) * | 2000-07-24 | 2012-10-24 | ダイキン工業株式会社 | 再生フッ素樹脂の製造方法及びフッ素樹脂再生品 |
-
1982
- 1982-05-12 JP JP7971282A patent/JPS58196235A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58196235A (ja) | 1983-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4263425A (en) | Process for production of polyester polymer for food packing | |
| JPH05506692A (ja) | エチレン重合体の酸化的熱安定性を改善する方法 | |
| NO152511B (no) | Polypropylenblokk-kopolymer med forbedert slagfasthet | |
| JPH03111423A (ja) | ポリエチレンナフタレートの結晶化法 | |
| CA2024228C (en) | Process for the production of expanded particles of a polyolefin resin | |
| JP2009538369A (ja) | 結晶化用コンベヤー | |
| FR2598350A1 (fr) | Procede et dispositif pour degazer et pour transformer en granules des particules de polyolefines obtenues par polymerisation en phase gazeuse | |
| US4365057A (en) | Method for drying polyolefins | |
| JP2005530915A (ja) | ポリマー組成物からの揮発成分の除去方法 | |
| EP0623148B1 (en) | Acrylonitrile polymer compositions and articles and methods for their preparation | |
| US4892931A (en) | Purification of polycarbonate with extractant/swelling agent and elevated pressure and temperature | |
| JP4990438B2 (ja) | 発泡性プロピレン重合体ビーズの製造方法 | |
| US3963816A (en) | Process for molding expandable thermoplastic material | |
| JPH0252645B2 (zh) | ||
| JPH10504590A (ja) | 発泡ポリオレフィンビーズの製造方法 | |
| CN107848145B (zh) | 用于制备聚丙烯粒料的方法 | |
| US3931130A (en) | Process for removing residual volatile solvent impurities from polymer molding pellets | |
| US2923979A (en) | Production of self-supporting reticulate sheet | |
| JP4008967B2 (ja) | 実質的に結晶性のα−オレフィンポリマーからオリゴマーを除去する方法 | |
| US3968003A (en) | Process of recovering polymers from their solutions | |
| JPH075661B2 (ja) | パージ容器における樹脂の処理方法 | |
| US3432462A (en) | Process for stabilizing polymers | |
| JP2004534125A (ja) | 発泡ポリプロピレン顆粒組成物 | |
| JP2003528953A (ja) | ハイメルトフローポリマーを製造する方法 | |
| BRPI0402330B1 (pt) | processo de descontaminação de poliéster reciclado e uso do mesmo |