SU744279A1 - Apparatus for measuring plasticity and setting speed of polymeric materials - Google Patents
Apparatus for measuring plasticity and setting speed of polymeric materials Download PDFInfo
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- SU744279A1 SU744279A1 SU762428430A SU2428430A SU744279A1 SU 744279 A1 SU744279 A1 SU 744279A1 SU 762428430 A SU762428430 A SU 762428430A SU 2428430 A SU2428430 A SU 2428430A SU 744279 A1 SU744279 A1 SU 744279A1
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- rotor
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Description
1one
Изобретение относитс к области определени реологических характеристик полимерных материалов.The invention relates to the field of determining the rheological characteristics of polymeric materials.
Известен прибор дл определени , пластических масс,выполненный по типу ротационных вискозиметров,содержащий пресс-форму с прессующим пуансоном и ротором,погруженным в толщу испытываемой массы,механизм вращени пресс-фортл мы и устройство дл измерени момента сопротивлени сдвигу массы при испытани х 1 .. .A device for determining plastic masses, made according to the type of rotational viscometers, contains a mold with a pressing punch and a rotor immersed in the thickness of the test mass, a rotary mechanism for pressing the press and a device for measuring the moment of resistance to shear mass when tested 1. .
Однако использование данного прибора не обеспечивает необходимой точ-15 ности при определении времени выдержки полимерных материалов в пресс-форме .However, the use of this device does not provide the necessary accuracy in determining the exposure time of polymeric materials in the mold.
Наиболее близким к изобретению техническим решением вл етс устройст:т20 во дл определени плабтйчности и скорости отверждени пластических масс, содержащее пресс-форму с расположенным в ней ротором и прессуквдим пуансоном , привод, измерительную систе- 25 му 2..The closest technical solution to the invention is a device: t20 in to determine the plastics and curing speed of plastics, which contains a mold with a rotor located in it and a press punch, a drive, measuring system 25 ..
Данное устройство не обеспечивает необходимой точности при определ ении времени выдержки полимерных материалов в пресс-форме, так как испытани ЗОThis device does not provide the necessary accuracy in determining the exposure time of polymeric materials in the mold, as testing
при этом провод тс на образе со стандартными размерами ( толщина образца 3 мм ), а врем выдержки издели в пресс-форме определ етс расчетным путем по формуле:at the same time, they are carried out on a sample with standard dimensions (sample thickness 3 mm), and the exposure time of the product in the mold is determined by calculation by the formula:
Те - TO + Тпр. ,Those - TO + Tpr. ,
где TO - врем отверждени пластмассы, полученное на образце стандартной толщины; Т( р.- врем прогрева этого образца. Врем прогрева испытываемой пластмассы ТПРопредел етс путем расчета по ;монограммам,. построенным в соответствии с общим уравнением теплопередачи . Вход щие в уравнение коэффициенты определ ютс эмпирическим путем и не учитывают целого р да факторов, вли ющих на точность измерени (тип наполнител и др. ).where TO is the curing time of the plastic obtained on a sample of standard thickness; T (r. Is the warm-up time of this sample. The warm-up time of the tested TPD plastics is determined by calculation using monograms constructed in accordance with the general heat transfer equation. The coefficients included in the equation are determined empirically and do not take into account a number of factors affecting on measurement accuracy (type of filler, etc.).
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762428430A SU744279A1 (en) | 1976-12-13 | 1976-12-13 | Apparatus for measuring plasticity and setting speed of polymeric materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762428430A SU744279A1 (en) | 1976-12-13 | 1976-12-13 | Apparatus for measuring plasticity and setting speed of polymeric materials |
Publications (1)
Publication Number | Publication Date |
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SU744279A1 true SU744279A1 (en) | 1980-06-30 |
Family
ID=20686084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762428430A SU744279A1 (en) | 1976-12-13 | 1976-12-13 | Apparatus for measuring plasticity and setting speed of polymeric materials |
Country Status (1)
Country | Link |
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SU (1) | SU744279A1 (en) |
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1976
- 1976-12-13 SU SU762428430A patent/SU744279A1/en active
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