CS205667B1 - Způsob přípravy disperzí polyvinylohloridu - Google Patents
Způsob přípravy disperzí polyvinylohloridu Download PDFInfo
- Publication number
- CS205667B1 CS205667B1 CS27579A CS27579A CS205667B1 CS 205667 B1 CS205667 B1 CS 205667B1 CS 27579 A CS27579 A CS 27579A CS 27579 A CS27579 A CS 27579A CS 205667 B1 CS205667 B1 CS 205667B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- reactor
- pressure
- polymerization
- preparation
- dispersions
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000006185 dispersion Substances 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 title description 5
- 229920000915 polyvinyl chloride Polymers 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000012736 aqueous medium Substances 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010526 radical polymerization reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims 1
- 238000002835 absorbance Methods 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
Claims (1)
- Kvalitativní parametry získaných polymerů jsou uvedeny v tabuloe.
příklad t 1 2 3 4 5 6 sypná hmotnost (g/1) dle OSM 64 0804 503 533 545 513 507 566 absorpoe změkčovadla (min.) dle 0SM 64 3200 10 14 23 12 11 10 porosita (ml/g) distribuce vel.čáetio 0,23 0,20 0,15 0,22 0,22 0,20 podle ASTM D 1921-63 Ď (prům.vel.částic) 120 88 92 95 100 70 R (Šířka distribuce! 44 21 31 28 32 39 A (symetrie) 0,35 0,50 -0,06 0,05 0,2 0,03 P S E D Μ E T V ϊϊί 1 E Z U Způeob přípravy dispersí polyvinylohlorldu radikálovou polymerací vinylohlorldu ve vodném prostředí,vyznačující ee tím,že polymerace nebo její počáteční fáze^a to až do 50 % konverze,probíhá pod tlakem inertního plynu,tj, látky nezúčastňujíoí se reakce a majíoí bod varu nižší jak 298,2 K,jako je dusík,argon,vodík,kysličník uhelnatý a uhlí čitý,který zvyšuje celkový tlak v reaktoru nejvíce o 0,19 MPa nad paroláleí tlak monome ru při dané teplotč,přičemž reaktor je předem inertizován některým z těohto plynů,který pak buň zůstává v reaktoru po oelou dobu polymerace,nebo je před nadávkováním evakuován až na tlak naeyoenýoh par vody při její teplotě.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS27579A CS205667B1 (cs) | 1979-01-12 | 1979-01-12 | Způsob přípravy disperzí polyvinylohloridu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS27579A CS205667B1 (cs) | 1979-01-12 | 1979-01-12 | Způsob přípravy disperzí polyvinylohloridu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS205667B1 true CS205667B1 (cs) | 1981-05-29 |
Family
ID=5334588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS27579A CS205667B1 (cs) | 1979-01-12 | 1979-01-12 | Způsob přípravy disperzí polyvinylohloridu |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS205667B1 (cs) |
-
1979
- 1979-01-12 CS CS27579A patent/CS205667B1/cs unknown
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