⚗ Polymers Forum

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pH of polypropylene

hi, can somebody tell me how to evaluate the pH of polypropylene sample?
7 comments posted 20yrs
posted by yavarizadeh
7 comments posted 20yrs posted by yavarizadeh

polyurethane composite bubble problem

hi, I am doing a projectof polyurethane-glass fiber composite. Although I dryed the glass fiber before it was used, how...
5 comments posted 20yrs
posted by mingzong
5 comments posted 20yrs posted by mingzong

Sol gel hard coating for Polycarbonate

Dear All: As we know using sol gel to adhesive polycarbonate is difficult for hard coating, the products in the market...
4 comments posted 20yrs
posted by leechyun
4 comments posted 20yrs posted by leechyun

Polypropylene as a separating agent for metals

hello guys, I am a final year undergraduate of Industrial chemistry.am working on the above thesis.i have toiled and se...
1 comments posted 20yrs
posted by nikjust
1 comments posted 20yrs posted by nikjust

PVOHcoat - thermal treatment

I have spincoated a 800nm PVOH coating on a substrate. Polyvinylalcohol 88% hydrolysis grade. PVOH in a watery solution...
4 comments posted 20yrs
posted by rogier
4 comments posted 20yrs posted by rogier

Machining Delrin

I have a lot of small parts I'd like to make and I read that woodworking tools would work on Delrin. But since dimensio...
12 comments posted 20yrs
posted by Searcher7
12 comments posted 20yrs posted by Searcher7

Re: how to detect hexane in skin product?

I cannot see a simple test for hexane. You will need a gas chromatograph or the like. I cannot imagine that small resid...
3 comments posted 20yrs
posted by xxx
3 comments posted 20yrs posted by xxx

state-of-art cranioplasty in brazil

we are making and developing a new concept in cranioplasty and aesthetic grafts made by bioceramics. we are producing l...
0 comments posted 20yrs
posted by eincocom
0 comments posted 20yrs posted by eincocom

expanded polystyrene

hi everybody! I wonder if anyone could help me. I don't know how is the Elasticized Expanded Polystyrene produced?
2 comments posted 20yrs
posted by yavarizadeh
2 comments posted 20yrs posted by yavarizadeh

Low cost replacement for acrylic (PMMA)?

Since acrylic has increased in costs (as well as just all polymers), I'm looking for a lower priced substitute for it....
3 comments posted 20yrs
posted by nospam
3 comments posted 20yrs posted by nospam

Used Vetaphone Corona Generator for sale

Hello, I have a used Vetaphone Corona plus generator for sale. I have used it for corona treatment of polypropylene tub...
0 comments posted 20yrs
posted by Daveatfernie
0 comments posted 20yrs posted by Daveatfernie

OH Index

How does one calculate the 'OH index' of polyols for use in PU synthesis - or is this a value that is experimentally de...
6 comments posted 20yrs
posted by loralei2001
6 comments posted 20yrs posted by loralei2001

POLYBUTADIENE COAGULATION

i'm working on polybutadiene coagulation system. emulsion polymerization. our current coagulation system used is sulfur...
2 comments posted 20yrs
posted by KHARIHARAN24
2 comments posted 20yrs posted by KHARIHARAN24