SU170674A1 - METHOD OF OBTAINING VINYL COMPOUNDS POLYMERS - Google Patents
METHOD OF OBTAINING VINYL COMPOUNDS POLYMERSInfo
- Publication number
- SU170674A1 SU170674A1 SU791496A SU791496A SU170674A1 SU 170674 A1 SU170674 A1 SU 170674A1 SU 791496 A SU791496 A SU 791496A SU 791496 A SU791496 A SU 791496A SU 170674 A1 SU170674 A1 SU 170674A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- vinyl compounds
- polymers
- obtaining vinyl
- compounds polymers
- polymerization
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title description 7
- -1 VINYL COMPOUNDS Chemical class 0.000 title description 2
- 239000003999 initiator Substances 0.000 description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- 150000002978 peroxides Chemical class 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 150000002976 peresters Chemical class 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Известен способ иолучени полимеров винильных соединений путем инидиированной полимеризации винильных соединений в присутствии перекисей.The known method of obtaining polymers of vinyl compounds by the induction polymerization of vinyl compounds in the presence of peroxides.
Предлагаемый способ предусматривает проведение полимеризации винильных соединений в присутствии моЕГомерных и полимерных перэфиров ненасыщенных кислот в качестве инициаторов. Это расшир ет ассортимент радикальных инициаторов процесса полимеризации .The proposed method provides for the polymerization of vinyl compounds in the presence of monomeric and polymeric unsaturated acid ethers as initiators. This expands the range of radical initiators of the polymerization process.
Предлагаемыми инициаторами вл ютс ; трет-бутилнеракрилат, трет-бутилнерметакрилат , трег-бутилперфурилакрилат и др., а также полимеры указанных перэфиров.The proposed initiators are; tert-butyl nonacrylate, tert-butylner methacrylate, treg-butyl perfuryl acrylate, etc., as well as polymers of the specified peresters.
К винильным соединени м (стиролу, его производным, акрилатам, вииилацетату и др.) добавл ют 0,5-1,5% мономерной или полимерной перекиси и полимеризуют реакционную смесь при температуре 40-100°С в обычных реакторах и автоклавах в течение 2- 8 час. Полил1еры с высоким молекул рным весом (выше 100000) и хорошими физико-механическими свойствами получают как блочным , так и суспензионным методами.0.5-1.5% of monomeric or polymeric peroxide is added to vinyl compounds (styrene, its derivatives, acrylates, viii acetate, etc.) and the reaction mixture is polymerized at 40-100 ° C in conventional reactors and autoclaves for 2 - 8 hours Polymers with a high molecular weight (above 100,000) and good physicomechanical properties are obtained using both block and suspension methods.
ной воды и 0,02 г сольвара или поливинилового спирта и провод т суспензионную полимеризацию в ампулах или других сосудах в атмосфере азота при 55°С в теченпе 2-3 час. Образуютс гранулы полимера с молекул рным весом 300000-500000. Теплостойкость полученного нолимера на 10-15°С выше теплостойкости обычного полиметилметакрилата .water and 0.02 g of solvar or polyvinyl alcohol and suspension polymerization is carried out in ampoules or other vessels in a nitrogen atmosphere at 55 ° C for 2-3 hours. Polymer granules with a molecular weight of 300,000-500,000 are formed. The heat resistance of the obtained nolymer is 10-15 ° C higher than the heat resistance of ordinary polymethyl methacrylate.
Пример 2. К 10 г стирола добавл ют 0,1 г трет-бутилперметакр-илата, 30 мл дистиллированной воды, 0,02 г сольвара или поливинилового спирта и провод т суспензионную полимеризацию в атМОсфере азота в течениеExample 2. To 10 g of styrene, 0.1 g of tert-butyl permethacre-ylate, 30 ml of distilled water, 0.02 g of solvar or polyvinyl alcohol are added and suspension polymerization is carried out in the atmosphere of nitrogen during
4-6 час. Полученный 1полистирол имеет молекул рный вес 60000-100000.4-6 hours The resulting polystyrene has a molecular weight of 60000-100000.
Предмет изобретени Subject invention
Способ получени полимеров винильных соединений путем полимериза11,ии винильного соединени в присутствии перекисного инициатора , отличающийс тем, что, с целью расширени ассортимента радикальных инициаторов , в качестве перекисного инициатора примен ют мо омериый или полимерный перэфир ненасыщенной кислоты.A process for the preparation of polymers of vinyl compounds by polymerization of 11 and ii of a vinyl compound in the presence of a peroxide initiator, characterized in that, in order to expand the range of radical initiators, an unsaturated acid polymer is used as a peroxide initiator.
Publications (3)
Publication Number | Publication Date |
---|---|
SU170674A1 true SU170674A1 (en) | |
SU170675A1 SU170675A1 (en) | |
SU170673A1 SU170673A1 (en) |
Family
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