RO82857B1 - Compozitie expandabila pe baza de poliolefine si procedeu de obtinerea acesteia - Google Patents
Compozitie expandabila pe baza de poliolefine si procedeu de obtinerea acesteiaInfo
- Publication number
- RO82857B1 RO82857B1 RO103859A RO10385978A RO82857B1 RO 82857 B1 RO82857 B1 RO 82857B1 RO 103859 A RO103859 A RO 103859A RO 10385978 A RO10385978 A RO 10385978A RO 82857 B1 RO82857 B1 RO 82857B1
- Authority
- RO
- Romania
- Prior art keywords
- obtaining
- composition
- weight
- polar monomer
- grafted
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 229920000098 polyolefin Polymers 0.000 title abstract 3
- 238000004132 cross linking Methods 0.000 abstract 2
- 239000000178 monomer Substances 0.000 abstract 2
- 230000002441 reversible effect Effects 0.000 abstract 2
- 229920002725 thermoplastic elastomer Polymers 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002174 Styrene-butadiene Substances 0.000 abstract 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 150000001336 alkenes Chemical class 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229920000578 graft copolymer Polymers 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract 1
- 239000011976 maleic acid Substances 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 abstract 1
- 239000005060 rubber Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000011115 styrene butadiene Substances 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Inventia se refera la o compozitie expandabila pe baza de poliolefine, care, în scopul asigurarii unei structuri cu macromolecule reticulate sau grafate între ele prin legaturi covalente sau reversibile, este constituita din 50...100% în greutate copolimeri lineari sau grefati ai olefinelor cu 2...6 atomi de carbon, cu un monomer polar ales dintre: acetat de vinil, acid acrilic, acid metacrilic, acid maleic sau derivatii acestora cu sau fara adaos de elastomeri sau cauciucuri termoplaste constînd din etilen propilenic polidienic sau butadien stirenic în proportie de pîna la 50% si/sau aditivi uzuali rest. Prin procedeul de obtinere a compozitiei expandabile, conform inventiei, prin injectarea sau dispersarea omogena a unui fluid de expandare în compozitie, în cursul extruderii acesteia la temperaturi între 100...300 degree C, cu sau fara adaugarea unui compus generator de radicali liberi activi,. în proportie de pîna la 10%, urmata de destinderea si racirea amestecului sub forma unei mase poroase solide, în scopul realizarii copolimerilor grefati din compozitie, cît si al reticularii reversibile în timpul procesului de extrudere-expandare, se adauga 0,5...50% în greutate, fata de poliolefina, un monomer polar, necesar realizarii grefarii, sau 0,1...40% un oxid sau carbonat metalic capabil de a produce o reticulare de tip ionomeric prin reactia cu grupe carboxil din polimer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO103859A RO82857B1 (ro) | 1978-07-10 | 1978-07-10 | Compozitie expandabila pe baza de poliolefine si procedeu de obtinerea acesteia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO103859A RO82857B1 (ro) | 1978-07-10 | 1978-07-10 | Compozitie expandabila pe baza de poliolefine si procedeu de obtinerea acesteia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO82857A2 RO82857A2 (ro) | 1984-04-02 |
| RO82857B1 true RO82857B1 (ro) | 1984-04-30 |
Family
ID=20109759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO103859A RO82857B1 (ro) | 1978-07-10 | 1978-07-10 | Compozitie expandabila pe baza de poliolefine si procedeu de obtinerea acesteia |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO82857B1 (ro) |
-
1978
- 1978-07-10 RO RO103859A patent/RO82857B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO82857A2 (ro) | 1984-04-02 |
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