SU137304A1 - Device for determining the activity of monomers and oligomers - Google Patents
Device for determining the activity of monomers and oligomersInfo
- Publication number
- SU137304A1 SU137304A1 SU658242A SU658242A SU137304A1 SU 137304 A1 SU137304 A1 SU 137304A1 SU 658242 A SU658242 A SU 658242A SU 658242 A SU658242 A SU 658242A SU 137304 A1 SU137304 A1 SU 137304A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- activity
- monomers
- determining
- oligomers
- sample
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Description
В известных устройствах дл определени активности мономеров и олигомеров исследуемый образец размещаетс компактно (в гнездо блока вставл етс металлическа ампула с образцом и т. п.) и поэтому даже при умеренных скорост х экзотермических процессов, протекаюиаих в зоне реакции, имеютс значительные температурные градиенты в направлении от центра образца до наиболее удаленных от этого центра точек металлического блока. Таким образом, устройство, имеющее блок с подобным размещением образца всегда высокоинерционно и практически непригодно дл измерений активности в широком диапазоне скоростей превращени .In known devices for determining the activity of monomers and oligomers, the sample under study is placed compactly (a metal ampule with a sample is inserted into the block's nest, etc.) and therefore, even at moderate rates of exothermic processes occurring in the reaction zone, there are significant temperature gradients in the direction of from the center of the sample to the points farthest from this center of the points of the metal block. Thus, a device having a unit with a similar sample placement is always highly inertial and practically unsuitable for measuring activity over a wide range of conversion rates.
Предлагаемое устройство с применением сосуда Дьюара, пробкивкладыща из теплоизол ционного материала, мещалки и батареи термопар имеет, по сравнению с известными устройствами, меньщую инерционность и позвол ет производить определение активности мономеров и олитомеров в изотермических услови х. В этих цел х в конце оси мешалки укреплена емкость со съемным дном, предназначенна дл помещени в нее исследуемого образца и расположенна в среде жидкого теплоносител .The proposed device with the use of a Dewar vessel, an inserts stopper made of thermal insulating material, a commoner and a battery of thermocouples has, compared to the known devices, less inertia and allows the determination of the activity of monomers and olitomers under isothermal conditions. For these purposes, at the end of the axis of the agitator, a container with a removable bottom is fixed, designed to place the sample under study in it and located in the medium of the heat-transfer fluid.
На чертеже изображена схема устройства дл определени активности мономеров и олигомеров.The drawing shows a diagram of a device for determining the activity of monomers and oligomers.
Сосуд / Дьюара закрыт изготовленной из теплоизол ционного материала (пенопласта) пробкой-вкладышем 2, через который пропущена вращающа с от электродвигател ось 3 мещалки. Нижн часть сосуда / Дьюара заполнена жидким теплоносителем 4 (вода или смесь воды с глицерином).The vessel / Dewar is closed by a liner 2 made of a heat insulating material (foam), through which the slider 3, rotating from the electric motor, passes. The lower part of the vessel / Dewar is filled with a heat transfer fluid 4 (water or a mixture of water with glycerin).
На конце оси 3 мещалки посредством муфты 5 установлена емкость 6, снабженна горлыщком 7, съемным дном 8 и лопаст ми 9. Емкость 6 выполнена из дюралюмини толщиной 0,3-0,5 мм. Температура жидкого теплоносител измер етс посредством термостолбика 10, состо щего из нескольких термопар // медь - константан.At the end of the axis 3 of the dresser, through a coupling 5, a tank 6 is installed, equipped with a neck 7, a removable bottom 8 and blades 9. The tank 6 is made of duralumin 0.3-0.5 mm thick. The temperature of the heat-transfer fluid is measured by means of a thermal column 10, consisting of several thermocouples // copper-constantan.
Мономер, перед определением его активности, заливаетс в емкость 6 через горлыщко 7, на которое затем навинчиваетс муфта 5, соедин юща емкость с осью 3.The monomer, before determining its activity, is poured into the container 6 through the neck 7, onto which the coupling 5, which connects the container to the axis 3, is then screwed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU658242A SU137304A1 (en) | 1960-03-14 | 1960-03-14 | Device for determining the activity of monomers and oligomers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU658242A SU137304A1 (en) | 1960-03-14 | 1960-03-14 | Device for determining the activity of monomers and oligomers |
Publications (1)
Publication Number | Publication Date |
---|---|
SU137304A1 true SU137304A1 (en) | 1960-11-30 |
Family
ID=48293520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU658242A SU137304A1 (en) | 1960-03-14 | 1960-03-14 | Device for determining the activity of monomers and oligomers |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU137304A1 (en) |
-
1960
- 1960-03-14 SU SU658242A patent/SU137304A1/en active
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