⚗ Polymers Forum

Best Custom Thermoformers

Can anyone recommend a high-quality customer plastic thermoforming company? Thanks in advance

0 comments posted 20yrs

posted by sweeneyworld

0 comments posted 20yrs posted by sweeneyworld

What's happening to polymer chains when...

...I heat it or put it in a solvent? Does the molecular weight decrease or are the chains "slipping" past adjacent ones...

5 comments posted 20yrs

posted by nospam

5 comments posted 20yrs posted by nospam

Is the polymer in glass state a mechanics equilibrium system?

hello,all It's my first time to come there. I have a question, hopping someone can give me an answer. Is the polymer in...

3 comments posted 20yrs

posted by yingjun.jin

3 comments posted 20yrs posted by yingjun.jin

Thermoforming Molds of Polyurethane.

Hi! I want to make molds for thermoforming but not with wood, Alimunium, or Steel. But with Polyurethane, any body know...

1 comments posted 20yrs

posted by ameer.meerani

1 comments posted 20yrs posted by ameer.meerani

Re: Which styrene used or still uses lead phosphate as a stabilizer? Polystyrene or some other form of styrene?

> x Styrene monomer (i.e. liquid) uses TBC (t-butyl catechol) as an inhibitor. As for the plastic, I don't know but as...

0 comments posted 20yrs

posted by polsolsa

0 comments posted 20yrs posted by polsolsa

charge density determination for polyanionic-need help...

Hi all, I am searching the method to determine the charge density of a polyanionic. I saw some method use Argentum Nitr...

0 comments posted 20yrs

posted by hussop

0 comments posted 20yrs posted by hussop

Polyon or Black Diamond coatings

Can anybody point me to a source for Polyon, Black Diamond or similar coatings for molds? Mike

0 comments posted 20yrs

posted by michaelhenry

0 comments posted 20yrs posted by michaelhenry

Low and fluctuant GPC Pump pressure

Hello, I am using PL GPC20 in our lab.Normally when the flow rate is 1.00ml/min,the pump pressure is around 6.4MPa and...

0 comments posted 20yrs

posted by xueguang

0 comments posted 20yrs posted by xueguang

Refractive index of pmma, pc and ps against temperature

Hi I'm searching for graphs of the refractive index against the temperature and also against the wavelength for pmma, P...

0 comments posted 20yrs

posted by philipp.hammer

0 comments posted 20yrs posted by philipp.hammer

PET film identification...Help!

Hi! I need to know how to identify, PET film. Just few ideas would thanks. Thanks in Advance. Ameer Meerani.

4 comments posted 20yrs

posted by ameer.meerani

4 comments posted 20yrs posted by ameer.meerani

EMULSIFIER

hi there i'm working in ABS manufacturing plant. currently i'm doing some research in polybutadiene polymerisation. i w...

1 comments posted 20yrs

posted by KHARIHARAN24

1 comments posted 20yrs posted by KHARIHARAN24

DIN 53455, Who can give me some info about it?

Why I cann't find the German standard DIN 53455 in their website but many manufacturer used the standard? Thanks.

2 comments posted 20yrs

posted by luo.henry

2 comments posted 20yrs posted by luo.henry

Req: Alkyd Resin Info

Dear Sir/Madam, I would be grateful if you send me any information that your company can be our consultant in alkyd res...

1 comments posted 20yrs

posted by meisam460

1 comments posted 20yrs posted by meisam460

teflon inert?

Hi. Just wondered if anyone can shed some light on a problem that is puzzling the hell out of me. I work in an ethylene...

4 comments posted 20yrs

posted by tfmann

4 comments posted 20yrs posted by tfmann

why is PA not melting in a oven

Hi My problem is as followed: I want to melt a small injection moulded PA part in an oven. This part is positioned on g...

2 comments posted 20yrs

posted by philipp.hammer

2 comments posted 20yrs posted by philipp.hammer