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Responds to Relative Humidity

I need a material that responds mechanically as an indicator of relative humidity. I have looked inside commercial humi...
1 comments posted 21yrs
posted by no-one
1 comments posted 21yrs posted by no-one

capacitor film

Hi, Can anybody help me to solve the BOPP film manufacuture problem? There is a lot of opaque area or spot (2mm in diam...
1 comments posted 21yrs
posted by rongguan
1 comments posted 21yrs posted by rongguan

Re: black paint - light absorption?

Hi all, I am, too, looking for a black paint to minimize scattered light, but the paint should NOT fluoresce when expos...
12 comments posted 21yrs
posted by obirer
12 comments posted 21yrs posted by obirer

TEM images

Hi, I`m studying the behaviour of nanosilica particles in organic resin(in particular epoxy resin)and I`d like to see t...
7 comments posted 21yrs
posted by mroso_europe
7 comments posted 21yrs posted by mroso_europe

shape memory polymers

I have heard about the field of research involving shape memory polymers. Personally, this is the first time I heard of...
2 comments posted 21yrs
posted by ITatarintsev
2 comments posted 21yrs posted by ITatarintsev

polymer soluble in hexane but insoluble in acetone

Hello, I am looking for a polymer that very easily dissolves in n-hexane but is completely insoluble in acetone. I read...
8 comments posted 21yrs
posted by djtermoz
8 comments posted 21yrs posted by djtermoz

Chemlease mold releasing agent

What does the numbers 41, 41-90, 70, 70-90 in chemlease mold releasing agents mean? Thanks in advance.
0 comments posted 21yrs
posted by pritam79
0 comments posted 21yrs posted by pritam79

Marking PMMA

I've working with optical fibres made from PMMA(perspex). I'd like to mark the ends to distinguish them from each other...
1 comments posted 21yrs
posted by brett.simpson
1 comments posted 21yrs posted by brett.simpson

beige trouble

I have been moulding some PE-LD parts coloured with a blue masterbatch, and now when I have to switch to a beige colour...
1 comments posted 21yrs
posted by danzig
1 comments posted 21yrs posted by danzig

Please send to me this article .

I am looking for this article. "Sako, T., Wu, A. H. and Prausnitz, J. M., "A Cubic Equation of State for High-Pressure...
0 comments posted 21yrs
posted by farhad.gharagheizi
0 comments posted 21yrs posted by farhad.gharagheizi

Size Exclusion Chromatography

Hi! I've got following problem, I've got some data measured with size exclusion chromatography http://www.geocities.com...
0 comments posted 21yrs
posted by anxyz9
0 comments posted 21yrs posted by anxyz9

UV crosslinker for PVA

I need to make a coating that fulfills the basic points: A)Polymer, solvent, photoinitiator and necesary additives shou...
3 comments posted 21yrs
posted by sitgesN1
3 comments posted 21yrs posted by sitgesN1

modify AIBN initiated PMMA by LiAlH4

hi, there, I am new to polymer chemistry, pardon me if this is a stupid question. I have some AIBN initiated PMMA. Is t...
6 comments posted 21yrs
posted by zhangx
6 comments posted 21yrs posted by zhangx