⚗ Polymers Forum

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Weakness of urea-formaldehyde foam.

Hi. What is the main reason that UF foams have poor mechanical properties comparing to PS and PU foams. In my opinion i...
0 comments posted 19yrs
posted by duvalnospamm
0 comments posted 19yrs posted by duvalnospamm

Adhesive for polycarbonate?

Anyone know of a solvent/adhesive to use on Polycarbonate? The stuff I've been trying will not stick.
2 comments posted 19yrs
posted by earlwhite4
2 comments posted 19yrs posted by earlwhite4

water based hydrophobic coating

water based hydrophobic coating Neoguard - multi-purpose water based hydrophobic coating (http://www.neoguard.ca). Neog...
0 comments posted 19yrs
posted by buy
0 comments posted 19yrs posted by buy

Removing polymer from test tubes

Hi, I have been synthesizing PMMA from MMA with benzoin methyl ether in some glass test tubes and was wondering if anyon...
3 comments posted 19yrs
posted by benz85
3 comments posted 19yrs posted by benz85

polymer viscosity

Hello, What is relationship between Intrinsic Viscosity and Relative Viscosity ? Thanks in advance
1 comments posted 19yrs
posted by nodari.anna
1 comments posted 19yrs posted by nodari.anna

Help: Material Recommendation

I am searching for a durable material that I can shape/grind with the Dremel. This material has to be able to withstand...
2 comments posted 19yrs
posted by Searcher7
2 comments posted 19yrs posted by Searcher7

Bonding polyethylene

Greetings, My Thule (Atlantis 2100) car roof box is damaged. It's got some significant cracks & the construction appear...
3 comments posted 19yrs
posted by Pickin
3 comments posted 19yrs posted by Pickin

Entrainment

Does anyone have a suggestion on the fastest way to remove entrained air from a flexible polyurethane foam mixture being...
0 comments posted 19yrs
posted by tmlango
0 comments posted 19yrs posted by tmlango

nanoparticles

Hello, I was wondering if someone ever experienced a flow enhancement when adding nanoparticles to a polymer ? Thanks Re...
7 comments posted 19yrs
posted by heeringen
7 comments posted 19yrs posted by heeringen

RTV-2 SILICONE RUBBER

HI TO ALL. I'M DESIGNING A FIBER OPTICAL SENSOR. I WANT TO USE RTV-2 SILICONE RUBBER AS A COATING, BUT I NEED REFRACTIV...
0 comments posted 19yrs
posted by gegeee
0 comments posted 19yrs posted by gegeee

How easy is it to homemake polystyrene packaging?

I have a vintage toy and the components are contained in a polystyrene tray within a cardboard box. I need to remake th...
4 comments posted 19yrs
posted by some_email
4 comments posted 19yrs posted by some_email

Plastic Bag vs Exhaust

Hi all, I asked this question over in rec.autos.tech, and got little response. A neighbor has a large black plastic tra...
6 comments posted 19yrs
posted by nospam
6 comments posted 19yrs posted by nospam

seek hi-temp porous polymer membrane

seek a "gore-tex"-like fabric that can withstand very high temperatures for an industrial application. The Gore company...
5 comments posted 19yrs
posted by dances_with_barkadas
5 comments posted 19yrs posted by dances_with_barkadas