Talk:Plasticizer
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"The solid rocket propellant used to fuel the Space Shuttle solid rocket booster employs HTPB, a synthetic rubber, as a non-energetic secondary fuel." This is actually wrong. When the Space Shuttle booster was designed about 50 years ago other binders were popular, and you don't change a working and certified propellant for no good reason. The binder employed was PBAN with an epoxy curative, the reason largely being cost, why change if it works, mechanical properties (biggest solid rocket ever produced, mechanical properties matter A LOT) etc. https://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster#Propellant Someone correct this please. — Preceding unsigned comment added by 80.147.133.213 (talk) 19:00, 7 October 2022 (UTC)
Article
edit202.83.174.105 04:33, 7 April 2007 (UTC)HASSAAN JAVED 202.83.174.105 04:33, 7 April 2007 (UTC) Whenever we need to study any physical nature of a functioning of materials we have to make all related parameters constant except the parameter which is underconsideration.plastizers are those admixture(admixtures are those which are added in a dry form before mixing of materials for use)which decrease the consistancy of concrete mix(tendency to flow)and improves the workability by considereing water cement ratio constant. the main function of plasticizers is as follow: when cement in aqueous state dissociates into sulphate ions and hydroxide ions the case relating to this is hydroxide ions will repel each other because of -charge but charge intensity is less to move the solid paricles but when we add plasticizers it gives high charged negative ions into the mixing system and the alkaline mix(because of hydroxide) negative ions will repel each other and capable to slide other particles over other one and thus we may get that results as loss of consistancy increase slump value decrease water requirment increase chances of segregation increase in strenght upto a certain limit
We may use this material by weight/weight relation
upto 12% to 30% can be satisfactorally use according to the ASTM standards
we use C-494 ASTM standard for this
Hassaan Javed student of civil engineering University Of Engineering & Technology Lahore, PAKISTAN [email protected] or [email protected]
Article
editSome attempt should be made to include discussion of antiplasticizers as well. — Preceding unsigned comment added by 170.140.163.94 (talk) 17:36, 17 September 2014 (UTC)
British vs. US spellings
edit"The article starts with the US spelling, and toward the end, uses British ("plasticiser"). I'm not going to change the British to US spelling; I love British English (having had a British maternal grandfather). Just noting it; Wikipedia surely has a policy on such. Loved the article! Fine piece of work. Regards, Nikevich (talk) 17:54, 3 April 2009 (UTC)
C&EN cover story
editThe C&EN cover story on plasticizers in the June 2015 issue may be used for additions or updates to this article:
External links modified
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External links modified
editHello fellow Wikipedians,
I have just added archive links to 2 external links on Plasticizer. Please take a moment to review my edit. If necessary, add {{cbignore}}
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Split off "concrete plasticizer"
editThe the section on concrete plasticizer should be slit off as a separate article. There is very little in common between the two concepts, and the term is much more often used for the plastics one.
--Jorge Stolfi (talk) 20:15, 30 June 2020 (UTC)Yes, I agree and should be added to the Propeerties of Concrete If we agree then how should this be done StuPat (talk) 14:56, 17 August 2020 (UTC)
Yes, I agree it should be split. How is the question.Scoob5555 (talk) 14:42, 20 August 2020 (UTC)
Citric acid
editCitric acid is often used as plasticizer for PVC products. May be worth to research and mention this fact. AXONOV (talk) ⚑ 11:03, 7 February 2024 (UTC)