Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules... | Contact experts in Polymers to get answers
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Questions related to Polymers
I am a Ph.D. candidate in Mining Engineering. I was so confused in the selection of a suitable topic for my Ph.D. My areas of interest include Slope Stability, Rock Mechanics, Rock Blasting, Slope...
07 February 2022 4,570 7 View
I want to get the force field from publications "ReaxFF: A Reactive Force Field for Hydrocarbons, Adri C. T. van Duin, Siddharth Dasgupta, Francois Lorant, and William A. Goddard, 2001"...
10 January 2022 841 2 View
I tried SnTe2 to exfoliate with scotch tape, but it's not peeling off into layers. How can I exfoliate the materials using another mechanical/chemical method?
07 January 2022 1,552 3 View
I have a precipitate of azide-beta-cyclodextrin in acetone. I've filtered it by filter paper, but after evaporation and drying at ambient temperature, it stuck to filter paper and the separation...
04 January 2022 676 6 View
Is the kinetic gas theory applicable to a plasma with low pressure
21 December 2021 3,933 3 View
We have imidazole ring N and Imine N for coordinating to metal in 2:1 (L:M) ratio. Both are forming coordinate bind with metal. So two covalent bond is from 2 O atom of acetate group. And the...
15 December 2021 9,705 5 View
Hello! I am a graduate researcher and I have been making microfluidic devices with PDMS and glass slides for several months now. I am comfortable with the process documents my lab typically uses,...
10 December 2021 8,637 0 View
Sorry for asking such a basic question... When analyzing flavonoids or cannabinoids, i saw that the use of ACN and MeOH changed the elution order of the components. In RP-condition, isn't it that...
05 December 2021 9,693 3 View
Hi, everyone. How can I to reduce the cracks when a Au film(the thickness is 100 nm and the width is 150 um )is deposited on PDMS with sputter coating. In addition, how to improve the conducity of...
20 November 2021 7,118 4 View
I need way to improve antifogging property for PVA. film compare between glass
16 November 2021 1,962 0 View
How long can a super-long molecule be? I know DNAs and proteins are pretty long molecules. From my knowledge, A stretched DNA can go as long as few meters? Monofilament silk and polymers can go...
15 November 2021 702 3 View
I know HMDS is a popular primer in the MEMS field. It replace the hydroxyl groups on silicon surface with methyl groups which believes to bond with photoresist better and thus improve the...
09 November 2021 3,774 3 View
I would like to know how one can perform BET analysis of Boron Phosphate.
02 November 2021 3,377 3 View
Is there a definitive way to determine the delay between the fundamental (800 nm) and it's second harmonic (400 nm) generated by a type 1 BBO? Our Ti-Sapphire laser generates 800 nm pulses at 30...
31 October 2021 3,592 3 View
I am trying to bond carbon based PDMS composites, mainly with graphite powder, to bond either with Kapton tape with silicone adhesive or Kapton film. The PDMS composite is roughly 0.1mm thick. I...
24 October 2021 3,073 5 View
Hi, I am interested in measuring the volume of a Polymer solution, in a mixture of Compressed gas/Polymer solution, inside a pressurized steel cylinder. Would like to Collect data on - What is...
22 October 2021 1,914 4 View
I need to do a simulation of high density polyethylene (HDPE) and get the elastic properties. I´ve read that there are some databases but I´m unable to find one of HDPE. Please help, thank you.
22 October 2021 5,180 0 View
I use a polymer with COOH on the one end and thiol on the other(11-mercaptoindecanoic acid) to exchange with the native ligands of a cadmium based nanoparticle. In one of the literatures it's been...
21 October 2021 880 4 View
I've found no common standard used to explain the surface morphology of thin films of polymers . Is there a good book or review that could help me to interepret the Scanning Electron microscope...
14 October 2021 548 3 View
I will be sending liposome samples for TEM analysis. However, they are not able to do negative staining for me. Is it still possible for me to obtain desirable images?
14 October 2021 6,719 2 View
i am going to do research by using Super absorbent polymers to retain soil moisture but i got polymer in baby diaper. Is it good polymers for research?
10 October 2021 6,120 3 View
I need to know the formula that estimate zooplankton biomass from dry weight , wet weight, ash weight.
09 October 2021 817 3 View
I need a small amount of Zeonex 330R for laboratory use (10-100 gr.) . I have contacted Zeon Corporation directly asking for a quote but never got a repply. I have read several manuscripts what...
01 October 2021 3,846 2 View
Polymers are generally damaged easily under high-voltage SEM due to low thermal conductivity. Although some papers are indicating that the accelerating voltage for PMMA can be as high as 20kV, I...
29 September 2021 5,316 3 View