Latest threads in ⚗ Polymers Forumshow only best voted threads
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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 must use 120 degree as well as 2 hours for curing, it is difficult to mass...
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18 years ago
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Polypropylene as a separating agent for metals
hello guys, I am a final year undergraduate of Industrial working on the above thesis.i have toiled and searched the webs for a lead on the subject but have not got hold of any info. please can anyone...
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18 years ago
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PVOHcoat - thermal treatment
I have spincoated a 800nm PVOH coating on a substrate. Polyvinylalcohol 88% hydrolysis grade. PVOH in a watery solution. The quality of my coating is not good enough: adhesion-type problems. When I...
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18 years ago
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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 dimensional accuracy is important, I was wondering if I could use something like a Dremel...
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18 years ago
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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 residual amounts of hexane have any neurotoxic effect. You really should look up the...
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18 years ago
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what is the most important in polymer physics?
I want to know what are the challenge fields for polymer physics? Thanks in advance!
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18 years ago
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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 large pieces of bioceramic cranioplasty that reducing the time of surgeries and...
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18 years ago
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expanded polystyrene
hi everybody! I wonder if anyone could help me. I don't know how is the Elasticized Expanded Polystyrene produced?
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18 years ago
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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. I use clear PMMA sheets. I know of styrene, but it is more brittle, soft surface...
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18 years ago
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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 tubes. It is in good condition other than the discharge head that could do with a...
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18 years ago
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OH Index
How does one calculate the 'OH index' of polyols for use in PU synthesis - or is this a value that is experimentally determined. Is it the number of moles of OH contained within a Kg of polyol - I am...
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18 years ago
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POLYBUTADIENE COAGULATION
i'm working on polybutadiene coagulation system. emulsion polymerization. our current coagulation system used is sulfuric acid and neutralized using sodium hydroxide. the emusifier used is fatty...
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18 years ago
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secondary electrons in polymers (references found)
I raised the question a half year earlier or so about how far secondary electrons could travel in polymers. This week I happened upon a reference which suggests that it could be in the 100 nm range,...
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18 years ago
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nano
hi any one can tell me about PLA nano particles as a drug carrier. can you tell me what are the different methods for the preparation of nano-particles of PLA. and how the property of drug influence...
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18 years ago
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Soft PU foam help
Hi Folks, I've just started a PhD, which initially involves the synthesis of some soft viscoelastic polyurethane foams. However, I've not been having much luck. I've been trawling through the...
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18 years ago
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