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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.
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The most recent discussions

PVC Plastic Film Glue

September 24, 2020, 7:04 am

Can I use 30% ethyl acetate & 70% MEK to make glue for PVC Plastic film? Read more »

Yellowing in vinyl acrylic latex

March 10, 2020, 6:51 pm

We are having problems with a vinyl acrylic latex for White coating, it has a lot of yellowing in can. What are the probable reasons for that yellowness? How can I improve that condition modifying ... Read more »

Dissolution of Higher MW PEO (4million, 5million and 8million)

November 28, 2019, 10:20 am

Hi everyone ; Hope you are fine. I am preparing different concentrations(0.1%,0.5%1%,3%) of above cited PEOs in distilled water, but i am always getting higher viscosity than the recomm... Read more »

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November 24, 2019, 5:34 pm

?????? ??????? ???? ???????????? http://zmq5wdldcoygg5bf.onion -- Izolda LTD, ???c??????? ?????. Read more »

Reinforced Thermoplastic Pipe Market 2018 Global Analysis with Top Key Play...

November 21, 2018, 10:19 am

The report Reinforced Thermoplastic Pipe Market by Key players highlights t he essential market dynamics of Reinforced Thermoplastic Pipe Market sector . The efficiency of this segment has been stu... Read more »

fundamentals of physics Vol.1 vol.2 , By Halliday and Resnick , 6th ed

September 12, 2018, 3:39 pm

solutions.for.student@hotmail.com s o l u t i o n s . f o r . s t u d e n t @ h o t m a i l . c o m solutions(dot)for(dot)student(at)hotmail.com We're a team found for providing solution manual... Read more »

Fundamentals of engineering thermodynamics by m. j. moran h. n. shapiro

September 12, 2018, 3:23 pm

solutions book team g e t . s o l u t i o n s b o o k @ h o t m a i l . c o m get.solutionsbook(at)hotmail(dot)com get.solutionsbook@hotmail.com We're a team for providing solution manuals to h... Read more »

Blending PP with PE

July 24, 2018, 3:28 pm

Hi. I want to blend PP with PE to format a mix that can be extruded. Since these are not miscible, what can I add as a modifier to make them miscible Read more »

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 »

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The best rated discussions

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: 4.75

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 »

PROTECTIVE COATINGS Book by Clive H. Hare on Eaby!

rating: 5

Hi, I have just listed on ebay the text book 'PROTECTIVE COATINGS - Fundamentals of Chemistry & Composition' By Clive H Hare. The book is 514 pages and an essential read for those studying or working... Read more »

rubber reclaiming agent

rating: 5

I would like to introduce our self as the manufacturer & exporter of Rubber Reclaiming Agent, Chemical name: DI-XYLENE DI-SULPHIDE, it used as a catalyst in the process of making reclaim rubber. Any ... 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 »

How to cure diluted PDMS with solvent

rating: 5

Hi, I am doing some work with adding on a thin layer of PDMS that is diluted with a solvent (DCM, THF, 1,4-Dioxane) on a silicon wafer by spin-coating or drop coating. My problem is that I have notic... Read more »

Correlation vicat softening & Tg

rating: 5

Hello, Is anybody aware of a correlation between vicat softening point (ASTM D1525) and Tg for polyethylene (preferrable copolymer with vinylacetate)? Any literature or web references on this? Thanks... Read more »

Please Help... Polishing Polyethylene

rating: 4.67

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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