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⚗ Polymers Forum - discussions about the science and properties of polymers (plastics) . This forums is a Web, Mobile and Social Media interface to sci.polymers.
There are 3414 articles in 1062 discussions. See the most recent and the best rated articles in ⚗ Polymers Forum

The most recent discussions

What type of cleaning agent(s) can embrittle PEBAX after contact?

July 13, 2018, 8:42 pm

We acquired a catheter component from a vendor that keeps breaking during use. Vendor states the root cause is a cleaning agent that is used to clean the inside of the tube that leaks onto the PEBAX ... Read more »

about extruder single screw design

May 9, 2018, 9:55 am

can someone explain please the major difference between a screw which is designed for *PP* but it is not working on *HDPE*. share best design for HDPE material Thanks From irfan_asmat@yahoo.com Read more »

Коды шентропье

March 14, 2018, 10:16 am

927-122.84 941-217.72 607-985.37 292-676.91 134-126.22 2018-03-14 Read more »

Universal pe,pp zipper profile

September 5, 2017, 8:29 am

We are manufacturers of Pe zipper profiles. Recently we are receiving enquiries about developing a universal zipper profile that can be used on both PE AND PP films. One of our competitors has alre... Read more »

Please Help... Polishing Polyethylene

May 17, 2017, 1:50 am

I know it sounds weird. I've got a polythene bodied RC car. I use elbow grease and plain white toothpaste. No, really, give it a go once you're down to the fine scratch stage. Read more »

Starlite flameproof plastic?

  [ 2 ]
March 2, 2017, 8:43 am

Try this website I found, you don't have to read all of it but just scan it for key points and make sure to read the last paragraph Here's the link: What happened to `starlite', a material with se... Read more »

Fish scale pattern on catheter

February 8, 2017, 12:35 am

Hi all, I am having issues when reflowing a catheter using a 40D resin pebax segment. It is presenting a fish scale effect defect, these are little flashes in a regular pattern. Materials are PTFE in... Read more »

PMMA and Silicon oil

December 31, 2016, 6:25 pm

can any one please suggest PMMA and silicon oil common solvents benzene i know but i want other than benzene please suggest.. Read more »

How would you identify a polymer that coated ones entire body and hair?

December 21, 2015, 7:47 pm

This polymer becomes adhesive when barely warmed. It has also been ingested and inhaled.Also, how, over time would it have been applied to cover the entire body? Lastly, where would one go to find ... Read more »

How to increase mfi of a filler master batch

December 9, 2015, 5:26 pm

I would like to know how to increase mfi of a filler master batch compound Base resin Lldpe Read more »

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The best rated discussions

Plastic milk containers (HDPE #2), Heat, and Leaching

rating: 4.5

I think it's safe to assume that most or at least many milk containers are heated. In fact, I was told by someone who distributes milk that the way it works generally is that the bottles are formed ... Read more »

Alq3 solvent

rating: 5

Does anyone know which solvents are able to dissolve Alq3 other than chloroform ? I'm looking for something that has a boiling point that is higher than chloroform so that i could get smoother films ... Read more »

polymers: calculate degree of crystallinity?

rating: 5

polymers: calculate degree of crystallinity? in [1[2,3]] an equation for quiscent crystallisation kinetics, calculating material derivative or relative degree of crystallisation is given: (1*) (D/Dt... Read more »

thermoplastic polyurethane with high melt flow index

rating: 4.67

I'm looking for TP=DC with a high MVI > 80 cc/10 min (@160 =B0C/2.16 kg). If possible the polymer must also have some elongation. And must have some restance to hydrolysis Read more »

PP and LDPE blend

rating: 4.5

Hi, I would like to know if I blend PP and LDPE for extrusion. What is maxium percentage of LDPE can be used? and I heard that i need to add random copolymer PP in PP and LDPE blend to help the mis... Read more »

DSC and pvT data for PMMA and PA12

rating: 5

Hi I am conducting a transient thermal solution for plastic materials for which I need specific heat, conductivity and density data for these materials as functions of temperature (room temp to melt ... Read more »

How to remove cement from plastic

rating: 5

Please how do I remove cement from plastic windows Read more »

elastomultiester - elastoester filament

rating: 4.33

hello, are both elastomultiester and elastoester same thing ? Are they spun from blend or are they bicomponent ? I hear it's Teijin technology . Thanks in advance for any information Read more »

Please Help... Polishing Polyethylene

rating: 4.5

I know it sounds weird. I've got a polythene bodied RC car. I use elbow grease and plain white toothpaste. No, really, give it a go once you're down to the fine scratch stage. Read more »

PVC extrusion speed...

rating: 5

I just began my new job. We have a rigid PVC product ('W' shape). The engineering quote extrusion speed is 1500ft/hr, while our actual extrusion speed is 700ft/hr. This made we lost a lot of money... Read more »

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