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
1,104 views 883 posts
Questions related to Polymers
Hi all, The use of basalt rock-dust has been shown to benefit highly degraded tropical soils through remineralisation, however research into its use as a slow-release, sustainable fertilizer in...
14 June 2019 8,863 3 View
In extensional flows of linear and long-chain-branched polyolefin melts with similar shear rheology, the branched polymers are found to exhibit significantly enhanced strain hardening in transient...
03 June 2019 2,001 2 View
I would like to develop breast phantom using either by polyvinyl alcohol (PVA) based hydrogel or dragon skin silicone for validating thermal imaging system in breast cancer tumor detection. how...
27 May 2019 4,627 0 View
I am developing a bio-based material. In order to increase it's strength I decided to blend it with cellulose fibres. The problem is the cellulose fibres don't spread evenly and uniformly and...
22 May 2019 1,108 3 View
We got two reviews: one suggested edition of text and described the results as spectacular. The second one said the methods used were unreliable, lacking, plain wrong. This second reviewer did...
22 May 2019 708 8 View
intrinsic viscosity of polymers.
18 May 2019 2,740 3 View
How to convert strain from cross head displacement to actual strain on the sample during tensile testing?
16 May 2019 4,989 9 View
Looking at the Internet available Material Studio tutorials for polymer blends, I understand that you can simulate the blends but the procedure does not include the polymers proportions amongst...
14 May 2019 4,547 3 View
Imidazolidinyl urea (Mw of 388.29 g/mol) can release the 3-fold amount of formaldehyde. A solution of 100 mg/ml Imidazolidinyl urea in DMSO contains: 100mg/ml divided by 388.29 g/mol = 258 µmol/ml...
13 May 2019 3,821 3 View
I am making W/O gelled emulsions. I have tried using Sodium Alginate and gelatin to gel the inner aqueous phase core. I am exploring other possible gelling agents but cannot find articles about them.
13 May 2019 2,554 3 View
It would be great if someone gives me a detailed protocol for precipitation of exosome by non-PEG based and PEG based methods from body fluids???
06 May 2019 8,231 1 View
Dear all, I am currently investigating the impact of heat on mechanical properties of human hair. From our DSC, we found that there is a broad transition between between 140-160 deg C, with a...
01 May 2019 9,473 0 View
How does one get hydrophobic particles into an aqueous ceramic-polymer mix without negating the enhanced ability of the hydrophobic particles to bond to the polymers?
27 April 2019 7,472 5 View
Which polymers systems require high graphene content to behave conductive. Which polymers have high percolation thresh hold?
16 April 2019 8,619 8 View
I prepared a 1% PVA, and dissolved 500 mg of PCL in 5 ml of DCM. Then I introduced the PCL solution into PVA while stirring at 2000 rpm for 2 hours, after which i place it on magnetic stirrer to...
16 April 2019 7,289 4 View
which process has more advantages in case of polymers?
12 April 2019 2,569 3 View
The designed composite could have ideal properties from each system and could be used for some targeted applications.
02 April 2019 4,327 4 View
I'm working in the research and development in the field of emulsion polymers production. while we was synthesizing polystyrene emulsion using Rhodafac RS-710 coagulation happened after 1hr...
02 April 2019 5,642 3 View
how does the pressure effect crystallinity of polymers? if samples dried in vacuum will have higher crystalline structure or lower or stays the same ? i'm guessing that lower pressure will have...
01 April 2019 3,245 4 View
Can anyone suggest a suitable porous support for fluorinated polymers? I would like to cast a membrane on the support using phase inversion technique. Any suggestions will be appreciated.... Inbal
24 March 2019 8,592 4 View
I am currently using an Ecoflex substrate, a platinum-catalyzed silicone formulation, for the deposition of a water-based CNT ink. The Ecoflex surface is extremely hydrophobic, which makes the...
15 March 2019 767 6 View
the result on ICP-OES is on ppm how to convert it to milligram/kilogram according to the volume and weight i took in the digested sample ?
07 March 2019 8,405 2 View
The Major Causes of Kevlar reinforced composites are interyarn slippage and poor adhension with polymers
01 March 2019 3,016 3 View
why are all side chain lengths different by 4 like hexyldecyl(HD), octyldodecyl(OD), decyltetradecyl(DT). Why don't we use symmetric side chain? I appreciate any references that show the different...
28 February 2019 4,156 1 View