Thursday, April 12, 2007

Alkyd Calculations


ALKYD CALCULATIONS VERY USEFULL WHEN WE DESIGN AN ALKYD. I PERSONALLY USED THESE CALCULATIONS AND DESIGNED MANY ALKYDS SUCCESSFULLY. THESE ARE ALL AVAILABLE IN T.C. PATTON BOOK.
ON THE BASIS OF THESE CALCULATIONS I PREPARED AN EXCEL SPREADSHEET WITH FUNCTIONS, SO THAT WHEN WE ENTER FORMULATION INSTANTLY WE GET ALL CALCULATED RESULTS.  IF YOU ARE INTEREST, PLEASE SEND ME AN EMAIL FOR EXCEL SHEET OF ALKYD CALCULATIONS.



                                                                 INPUT
MOLECULAR WEIGHT =      ---------------------------------------------
                                                                   (   INPUT  X  ACID VALUE  )
                                           (mo--ea)  +      ( -----------------------------  )
                                                                   (                   56100          )

                                             ( ea --mo ) X 56100
ACID NUMBER GEL = ---------------------------------
                                                     INPUT

                                          2 ea
FUNCTIONALITY =      ---------------
                                           mo

                                                           ACID QUANTITY
WATER OF REACTION = --------------------------------------- X 18   (Calculate for each Acid RM and total it)
                                                     MOLECULAR WEIGHT

YIELD = INPUT -- WATER
                                                        mo
ALKYD CONSTANT = K =           -------------
                                                        ea

                                                       eb
EXCESS HYDROXY = R =        ---------------- X 100 -- 100
                                                       ea

                                  QUANTITY OF OIL X 100
OIL LENGTH = -------------------------------------------
                                                 YIELD

                                                    ( eb -- ea ) X 56100
HYDROXYL NUMBER = ---------------------------------------  +  ACID VALUE
                                                             YIELD

37 comments:

MARCELO said...

CAN YOU SEND ME YOUR EXCEL FILE ABOUT ALKYD CALCULATION FOR MY OWN EXCERCISES?

AKUNDI PRASAD said...

I will send you Excel file, please give me you email address to akundiprasad@yahoo.com

Anonymous said...

please send me your excel file.i m working in resin manufacturing unit as lab chemist.it is so much useful to me.my email address is gfrp2008@yahoo.com

Anonymous said...

pls can you send me the excel file of alkyd calculations and the formulation of waterborne alkyd. it so much useful to me, thank you. my email address: gbstano@gmail.com

maulik said...

good information but the formulas are not arranged well which may confuse a stranger..

thanx

maulik

Anonymous said...

Hi AKUNDI!

I liked your excell file. Good job!

I have one ask:
Why do you calculate the Molecular wheight and Acid number gel using the Total? I use to the yeld.

My method is incorrect? What do you talk about?

Thanks.

Regards,
Melqui Beserra
(melqui.nunes@hotmail.com)

ali irandoost said...

hi
i hope to have nice days in these days can you send me your excel file
tanks a lot
goodluck
alirandoost@yahoo.com

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Anonymous said...

CAN YOU SEND ME YOUR EXCEL FILE ABOUT ALKYD CALCULATION FOR MY OWN EXCERCISES? my email adress is el_prof_mga@yahoo.com

Anonymous said...

How are you?
hope you are fine!
I sent you a previous mail to send me the calculation application of Alkyd Resin, and this is just a reminder message. Hope you respond and thank you in advance!
Please contact me via my email address: el_prof_mga@yahoo.com
Regards

Anonymous said...

dear Akundi
please send us some sheets for alkyd calculation ,and how to predict the final acid no. by calculation
tks zalfa80@hotmail.com

Anonymous said...

Please send this programe at this email
wesam1781@yahoo.com

Ahmed Refaat said...

please send excel sheet on my mail
teemy222@yahoo.com

Anonymous said...

hello akundi. that sound interesting about alkyd calculation. please send excel sheet on my mail. karenletrik@gmail.com

greetings from Universiti Sains Malaysia.

Anonymous said...

can you please send me a copy mmelnicenko@yahoo.com Thanks

Dhanraj Patil said...

Hi sir, please send me excel sheet of synthetic resin technology calculation on this email id - dhanrajsp87@gmail.com.....

Bay ─░ddaa said...

please send excel on my mail thanx a lot
melihkamhi@gmail.com

hasanarsan said...

Dear Sir,
You share a very valuable information here. If possible please send me your excel form so I can work on it too. I will try this.
Best regards
Hasan Arsan
Turkey

Anonymous said...

Hello Sir,
Please send this programe at this email
agozum@yandex.com

Thanks

Kowshikraman Sethuraman said...

hello sir, I had a doubt that i would like to discuss
Suppose if i want to make a water reducible polyester using trimelletic anhydride by functional acid groups to nuetralize and form salt which will allow water dilutability, and i want want the final acid value to be 60mg KOH/ g sample, how will you calculate the amout of TMA required??

I am going to carry out reaction in two steps.
1) Making polyester polyol with excess polyol and diacid
2) After polyol formation is complete, addition of TMA to achieve functional acid groups for nuetralization

THANKING YOU,
REGARDS.

Emrah Aslankaya said...

CAN YOU SEND ME YOUR EXCEL FILE ABOUT ALKYD CALCULATION FOR MY OWN EXCERCISES? my email
eao11092012@gmail.com

Tanagrit Sathissarat said...

Please send me your excel file about alkyd calculation for my work. My email address is kapa6472@yahoo.com. Thank you in advance.

sachin kumar said...

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- - said...

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