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The most recent discussions

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

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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

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

September 12, 2018, 3:23 pm

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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 »

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 »

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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 »

Proper way to melt nylon

rating: 5

Fishing for information on do's and don'ts when melting nylon. What I need to do is liquify a relatively small amount to dip wood drumstick tips in to keep them from chipping. I figure weed eater lin... Read more »

Restoring Melmac dinnerware?

rating: 4.67

At our cabin in CO we have a set of Brookpark Modern Design pink and black Melmac dinnerware. I've been replacing missing pieces, but some of the replacements are quite worn - fine scratching being ... 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 »

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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