NO970811L - Polymeric material based on polypropylene and polybutylene terephthalate - Google Patents
Polymeric material based on polypropylene and polybutylene terephthalateInfo
- Publication number
- NO970811L NO970811L NO970811A NO970811A NO970811L NO 970811 L NO970811 L NO 970811L NO 970811 A NO970811 A NO 970811A NO 970811 A NO970811 A NO 970811A NO 970811 L NO970811 L NO 970811L
- Authority
- NO
- Norway
- Prior art keywords
- polypropylene
- polybutylene terephthalate
- extruder
- peroxide
- polypropylene polymer
- Prior art date
Links
- -1 polypropylene Polymers 0.000 title abstract 13
- 239000004743 Polypropylene Substances 0.000 title abstract 7
- 229920001155 polypropylene Polymers 0.000 title abstract 7
- 229920001707 polybutylene terephthalate Polymers 0.000 title abstract 5
- 239000000463 material Substances 0.000 title abstract 4
- 229920000642 polymer Polymers 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 2
- 150000002978 peroxides Chemical class 0.000 abstract 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 abstract 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Fremgangsmåte for fremstilling av et kompatibilisert materiale av polypropylen og polybutylentereftalat ved en kontinuerlig ett-trinns ekstruderings-prosess, utført fortrinnsvis i inert at-mosfære. I en første matesone i ekstruderen innføres en polypropylen-polymer, en allylepoksy-forbindelse, en styren-forbindelse og et pcroksid som initia-tor, og bestanddelene oppvarmes til en temperatur over smeltepunktet for poly-propylenpolymeren og spaltningstempera-turen for peroksidet, samtidig som de underkastes kontinuerlig intim blanding. Et rent polybutylentereftalat innføres i ekstruderen i en posisjon etter den første matesone hvor polypropylenpoly-meren er i smeltet tilstand, for å oppnå at polybutylentereftalatet smelter og blandes intimt med det smeltede polypropylen. Den oppnådde blanding ekstruderes på ± og for seg kjent måte.Et kompatibilisert materiale av polypropylen- og polybutylentereftalat-polymer-er, med synergistiske egenskaper fra begge, oppnås ved fremgangsmåten. Mate-rialet er egnet som teknisk konstruk-sjonsplast.Process for producing a compatibilized material of polypropylene and polybutylene terephthalate by a continuous one-step extrusion process, preferably carried out in an inert atmosphere. In a first feed zone of the extruder, a polypropylene polymer, an allyl epoxy compound, a styrene compound and a peroxide are introduced as initiator, and the constituents are heated to a temperature above the melting point of the polypropylene polymer and the decomposition temperature of the peroxide, while they are subjected to continuous intimate mixing. A pure polybutylene terephthalate is introduced into the extruder in a position after the first feed zone where the polypropylene polymer is in the molten state, to cause the polybutylene terephthalate to melt and mix intimately with the molten polypropylene. The resulting mixture is extruded in a manner known per se. A compatibilized material of polypropylene and polybutylene terephthalate polymers, having synergistic properties from both, is obtained by the process. The material is suitable as a technical construction plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO970811A NO970811D0 (en) | 1994-08-26 | 1997-02-21 | Polymeric material based on polypropylene and polybutylene terephthalate |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/NO1994/000139 WO1996006871A1 (en) | 1994-08-26 | 1994-08-26 | Polymeric blends based on polypropylene and polybutylene terephthalate resins |
| BR9408611A BR9408611A (en) | 1994-08-26 | 1994-08-26 | Process of producing an on-site compatible mixture of polypropylene and polybutylene terephthalate polymers and the corresponding obtained mixture |
| NO970811A NO970811D0 (en) | 1994-08-26 | 1997-02-21 | Polymeric material based on polypropylene and polybutylene terephthalate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO970811L true NO970811L (en) | 1997-02-21 |
| NO970811D0 NO970811D0 (en) | 1997-02-21 |
Family
ID=27160124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO970811A NO970811D0 (en) | 1994-08-26 | 1997-02-21 | Polymeric material based on polypropylene and polybutylene terephthalate |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO970811D0 (en) |
-
1997
- 1997-02-21 NO NO970811A patent/NO970811D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO970811D0 (en) | 1997-02-21 |
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