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#279686 - 02/23/16 06:55 PM Baking soda and super glue epoxy
CJK Offline
Addict

Registered: 08/14/05
Posts: 601
Loc: FL, USA
While searching for something on the internet I found what looked to be promising....a product called Q Bond (standard disclaimer). While reading about it, I read that something similar to it was a DIY version-

Basically it called for sprinkling baking soda onto the the parts to be joined and dropping the superglue onto it. Things I read described a cement like bond within 15 seconds that was as hard as 'the original' piece you were fixing. Many people described it as astounding. I haven't used it (but readily admit I'm looking for something broken to fix). Anyone have any experience? Suggestions? Tips?

You can easily find it on you tube.

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#279687 - 02/23/16 07:46 PM Re: Baking soda and super glue epoxy [Re: CJK]
Tjin Offline
Pooh-Bah

Registered: 04/08/02
Posts: 1821
I learned it differently. Add a sprinkle of baking powder to a superglue job to instantly cure it. Usefull if you don't want to hold parts in position for long.
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#279690 - 02/23/16 11:42 PM Re: Baking soda and super glue epoxy [Re: Tjin]
hikermor Offline
Geezer in Chief
Geezer

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
I just checked and my superglue tube (Gorilla) has the following: 1) "Bonds skin instantly!" 2) "Join surfaces together. Hold for 30-60 seconds."

Seems easier just to squirt glue and then hold for a bit, rather than mess with another additive. What's the rush?
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#279691 - 02/23/16 11:50 PM Re: Baking soda and super glue epoxy [Re: CJK]
CJK Offline
Addict

Registered: 08/14/05
Posts: 601
Loc: FL, USA
Not so much the rush as it was adhesive/filler. It could be used to fill in a void....literally. Also adding structural support.

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#279695 - 02/24/16 12:13 AM Re: Baking soda and super glue epoxy [Re: CJK]
Mark_R Offline
Old Hand

Registered: 05/29/10
Posts: 863
Loc: Southern California
It's pretty common to add a filler to a media (foaming or liquid resin) to improve its strength or gap filling properties. Chopped fiberglass or cotton flock is standard in a lot of industries. IIRC, JB Weld uses steel dust as a filler. Bakelite is sawdust in phenolic resin. For snorts and giggles, look up Pykrete.
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#279704 - 02/24/16 03:34 AM Re: Baking soda and super glue epoxy [Re: CJK]
Alex Offline
Old Hand

Registered: 03/01/07
Posts: 1034
Loc: -
Intersting, super glue is definitely not good as a filler, but the best option for an EDC repair kit. However, I'm afraid the baking soda could dissolve eventually from just moisture in the air...


Edited by Alex (02/24/16 03:37 AM)

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#279711 - 02/24/16 02:41 PM Re: Baking soda and super glue epoxy [Re: CJK]
LCranston Offline
2
Enthusiast

Registered: 08/31/09
Posts: 201
Loc: Nebraska
SCIENCE!! (( enter the google))
reference
http://scienceline.ucsb.edu/getkey.php?key=459


A monomer, such as methylcyanoacrylate (the substance in super glue), with two electron -withdrawing substituents can be polymerized with very mild nucleophiles such as Br, CN, amines or OH. The monomer polymerizes on contact with many surfaces. Most often it is initialized by the presence of water (the OH ions from water).If you have sodium bicarbonte present, traces of water (from the surface or air) will react and make NaOH. The reaction is the following:NaHCO3 + H2O -----> NaOH + H2CO3NaOH is a very good starter of the polymerization reaction. It will make the reaction go very fast. Since this is an exothermic reaction (energy gets released) the H2CO3 will break up into H2O and CO2 . The water will evaporate and that should be the fume you have noticed. You should also see the CO2.This is my guess on what is happening.


So in English- Superglue uses water in the air to turn into a polymer. The chemical in baking soda creates water very quickly. The substance is not stronger than superglue, it just cures very quickly.
Very Cool!! going to try this!

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