Latest threads in ⚗ Polymers Forumshow only best voted threads

Subject Author Posted Replies
 
Conducting polymers: Processibility
Hi! all I am a newbie in the field of polymers and would appreciate your help in understanding some concepts relating to instrinic conduting polymers (like polyacetlyne / thiophene / pani / pedot...
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Gluing styrene to acrylic
I need the best adhesive for gluing these plastics together. Each interface will only be 1 or 2 sq. millimeters in size. Thanks for your help. John
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Help please: one time use self adhesive foam needed
I'm trying to find a type of self adhesive foam for one-time use. Similar to the nicotine patches but in sheet or large patch form. Material only needs to be approx 0.5-1.5mm thick and can be any...
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Linear Thermal Expansion
How do I calculate an amount of thermal expansion for a given shape if you have Coefficient of Linear Thermal Expansion (7.2x105 in my case) Thanks, Alex
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Re: waste tire application
Dear Rasol, There has been a continuous effort of recycling disposed tire wastes for geotechnical applications. For example, some studies show that by mixing a certain amount of shredded rubber/ tires...
 
polypropylene ropes
can anyone point out literature on rope making,twine making and b2b sites dealing with polypropylene rope trade?? we are manufacturers of polypropylene twines and ropes in all sizes. shabbar
 
UHMW on Teflon friction
Would be UHMW on Teflon friction less than UHMW on stainless steel. Thanks, Alex
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is it possible to image polymer chain?
hi, all i want to ask if there have anybody disentangle the polymer chain, and image it. I know that there have similiar works in protein and nanotube, but I don't know if there have anybody has done...
 
Inner tension
Is it possible to measure the amount of inner tension in plastic part? Is it possible with DSC perhaps? Has anybody done any research about it?
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PU Foam
Cut a parallelipiped, measure its dimensions and weigh it. The ratio weight/volume will give you the apparent debnsity. The tricky parts of the operation are: - to cut cleanly (eg using a toothless...
 
Re: thermoplastic
Hot Melt Thermo-Plastic Paint (HMTP: KSM 5333 Listed); This type of paint nowadays is most generally used for road-marking. This dries quickly after applied and hence this is very ideal for marking in...
 
polarizable polymer
Dear all, I heard talking about polarizable polymer, what you can use them for ? Can you perform particular moulding procedures? thanks Glass
 
Mass Transfer of Gases through Membranes
Hi All, First post to this group so I hope it is the right one. I want to build a membrane inlet system for a mass spectrometer. The membrane should preferentially transfer olefenic /aromatic...
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Re: EPDM to blend with calendering type PP
Like Rolf, I would also recommend DuPont Dow Elastomer's Engage ethylene elastomer for this application. The lack of diene in Engage improves the heat, thermal, and UV resistance of the elastomer. For...
 
Winder tension controls
Has anyone in this group ever had any experience with controlling tension on a take-up winder using an inverter AC drive without using a dancer arm or load cell feedback. I am presently doing it with...
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