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Rheo-Raman System:
MCR Rheometer + Cora 5001

  • +4
  • Uncover the molecular origins of viscoelastic behavior
  • Gain deeper understanding of material properties
  • Obtain scientific proof for observed rheological effects
  • Reduce development cycles via a more targeted approach
  • Efficient root cause analysis and corrective actions in case of deviations
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The Rheo-Raman setup – an MCR rheometer integrated with a Cora 5001 Raman spectrometer – combines two powerful measurement principles: the mechanical insights of rheology and the molecular specificity of Raman spectroscopy. 

By linking rheological behavior with structural parameters from Raman spectra, academic researchers can uncover the molecular origins of viscoelastic properties – replacing hypotheses with proof and enabling publication of papers in high-impact journals. 

In industry, the Rheo-Raman system supports efficiency gains by reducing trial-and-error cycles, identifying deviations, pinpointing their root causes, and enabling precise corrective actions.

Key features

Reduce your time-to-market with fewer development cycles

In polymer and resin product development, desired properties are often achieved via experience combined with time-consuming iterative trial and error processes. By adding chemical insights to physical measurements through the Rheo-Raman approach, development teams gain a clear picture of what drives material performance. This enables more targeted optimization, reduces the number of development cycles, saves costs, and shortens time-to-market.

Boost your research results for the next higher-grade publication

In academic research, rheological measurements alone often lead to observational results without a clear molecular explanation. By combining rheological results with chemical and molecular insights, researchers gain scientific proof – not just hypotheses. 

This deeper understanding supports publication in higher-grade journals, increases visibility at top conferences, and strengthens applications for research funding – fueling a continuous cycle of scientific advancement. 

Key application areas are: material science, polymer science, resins, glues and adhesives, including photo polymerization, for which simultaneous UV exposure and Raman offer strong advantages.

Optimize your polymer production processes

Developing new polymer production processes, including the right parameters, often involves repeated iterations that consume time and capacity. The valuable information acquired through a combination of physical measurements and chemical insights using the Rheo-Raman setup makes defining process windows more focused and efficient. This approach helps minimize trial and error, accelerates process refinement, reduces costs, and brings products to market faster.

Benefit from the Rheo-Raman system – or use the instruments separately

Due to cumbersome integration and alignment procedures that require specialized skills, similar systems on the market can only be used in combination. In contrast, the Rheo-Raman setup with MCR and Cora 5001 can be assembled or disassembled by users in just a minute. A visit from a service technician is not required. You can use the rheometer and Raman analyzer separately or combine them, depending on your measurement needs. This means you’re getting three solutions in one – from one and the same supplier. We guarantee that both the individual and combined solutions will work seamlessly together.

More effective QC with root cause analysis down to molecular origins

In industrial QC of polymer products such as polymer melts, adhesives, and resins, resolving deviations is often a slow, trial-and-error process based on observations and user experience. Offline testing adds further delays and unnecessary costs, while quality issues remain unresolved. 

By combining rheology with Raman spectroscopy, users gain real-time, in situ chemical insights directly in the rheometer. This enables immediate identification of chemical/molecular root causes and allows for fast, targeted corrective action – reducing costs, avoiding liability risks, and keeping processes on track.

Specifications

Modular Compact Rheometer: MCR

 MCR 303MCR 503MCR 503 Power
Bearing designAir, fine-pored carbon
Motor designElectronically commutated (EC) permanent magnet synchronous motor
Displacement transducerHigh-resolution optical encoder
Normal force measurement design360° capacitive sensor, non-contacting, fully integrated in bearing
Working modesCMT
Min. torque (rotation)5 nNm1 nNm100 nNm
Min. torque (oscillation)5 / 11) nNm0.2 nNm50 nNm
Max. torque215 mNm230 mNm300 mNm
Torque resolution0.1 nNm0.05 nNm0.2 nNm
Angular deflection resolution3 nrad< 1 nrad
Min. angular velocity2)0 rad/s
Max. angular velocity / max. speed314 rad/s
3,000 rpm
200 rad/s
2,100 rpm
Min. frequency3)2 Hz x 10-8 Hz
Max. frequency100 Hz200 Hz
Normal force range0.001 N to 50 N0.001 N to 50 N0.01 N to 70 N
Normal force resolution0.1 mN
TruStraino
Ready for DMA in tension, bending, and compression4)x
Dimensions (W x H x D)453 mm x 725 mm x 673 mm453 mm x 775 mm x 673 mm
Weight48 kg50 kg

Trademarks: RheoCompass (917 7015), MultiDrive (16731581), TwinDrive Rheometry (7081128), SmartPave (16731556), T-Ready (9176983), Toolmaster (3623873), TruRate (9176967), TruRay (15273915), TruStrain (9176918)
Patents: US Pat. 8132445, 10031057, 9702809, AT Pat. 513661, DE Pat. 102015100714

✓ included | o optional | x not included

1) 1 nNm with activated TruStrain™ option.
2) In controlled shear stress (CSS) mode. In controlled shear rate (CSR) mode depending on measuring point duration and sampling rate.
3) Theoretical value (duration per cycle = 2 years).
4) US Pat. 9574983 and US Pat. 10908058.

Dual-Wavelength In-Situ Raman Spectrometer: Cora 5001 Fiber

 Single-wavelengthDual-wavelength
 Optical specifications
Excitation wavelength532 nm785 nm1064 nm532 nm and 785 nm532 nm and 1064 nm785 nm and 1064 nm
Spectral range200 cm-1
to 3500 cm-1
100 cm-1
to 2300 cm-1
100 cm-1
to 2300 cm-1
200 cm-1 to 3500 cm-1 for 532 nm
100 cm-1 to 2300 cm-1 for 785 nm and 1064 nm
Resolution (according to ASTM E2529)9 cm-1 to 12 cm-16 cm-1 to 9 cm-112 cm-1 to 17 cm-19 cm-1 to 12 cm-1 for 532 nm
6 cm-1 to 9 cm-1 for 785 nm
12 cm-1 to 17 cm-1 for 1064 nm
Laser power50 mW**0 mW to 450 mW*, adjustable0 mW to 450 mW*, adjustable50 mW** for 532 nm
0 mW to 450 mW* for 785 nm and 1064 nm
Spectrographf/2; Transmission volume phase grating (VPG)
Integration time0.005 s to 600 s0.005 s to 600 s0.001 s to 20 s0.005 s to 600 s for 532 nm and 785 nm
0.001 s to 20 s for 1064 nm
Wavelength calibrationAutomatic via software
Detector array2048 px CCD2048 px CCD256 px InGaAs2048 px CCD for 532 nm and 785 nm
256 px InGaAs for 1064 nm
Laser class3B for Fiber model
 Physical specifications
Dimensions (D x W x H)355 mm x 384 mm x 168 mm (14.0 in x 15.1 in x 6.6 in)
Weight9.8 kg
Operating range10 °C to 35 °C (non-condensing)
Fiber probe dimensionsCable length: 1.50 m
Battery (optional)Lithium-ion
Battery run time>1.5 h
Power supply inputLine power supply input: 115/230 V AC, 50/60 Hz
Car power adapter input: 9 V to 32 V DC
Power consumptionIn-line power supply input: max. 100 W
DC input: typical 30 W (60 W when optional battery is charged)
 Additional specifications
Display10-inch touch screen
Data ports4 x USB 2.0, 1 x Ethernet, 1 x CAN out and 1 x USB to PC
Data export formats.csv, .txt, .png, .spc,. aps, .pdf
Internal storage8 GB
Wireless connectivityWi-Fi stick (optional)
Spectral librariesFactory library, user-built, third-party options
SecurityUser roles with customizable permissions, user password logins

*at sample
**at laser source

Standards

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AACCI

22-08

ICC

Standard No. 162

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