For Paint Companies worldwide, there has occur a radical new advancement in the legion of Thickening Brokers & Colloidal stabilizer for Aqueous Latex Paints. So much most of the businesses creating aqueous Paint emulsions, the most most popular thickening agent was Hydroxy ethyl cellulose (HEC). The HEC centered thixotropic additives is made by some of the renowned multi-countrywide providers these types of as Hercules, Akzo Nobel & Dow.
Listed here we refer to a Biopolymer dependent on Polysacchride derived from managed derivatisation course of action from plant origin. The solution created by Asian Trade Hyperlink Chemicals Division in India has currently been a thriving enterprise for substitute of HECs for numerous paint companies. The Merchandise is recognised as Solvitex thickening agent & colloidal stabilizer.
The solvitex array of products and solutions is supplied in huge selection of viscosities of aqueous alternatives. It comes in Powder variety of Offwhite shade and the thickening houses are identical to HEC.
But the Positive aspects of Solviex versus HECs are lots of. The key aspect is the security & economic pricing. Its been noticed that for a Medium viscosity array of products and solutions this sort of as Natrosol 250 HBR or Bermcoll 381 the preliminary fall right after settling is by 20% and then the concluded paint adheres to be secure for six months.and the viscosity even more drops. Solvitex has an original drop of settling to 10% and the solution is stable in actual physical observation for much more than 1yr exhibiting the very same viscosity.
As regarded by lots of Paint specialists, its inescapable that the steadiness of thickening agent immediately after incorporating in the Paint technique, is fragile toward wide temperature changes. Especially relevant for Export shipments when the Paint under goes through several temperature problems in the course of its transit. A sudden drop & increase in outdoors temperature can effect the balance. Solvitex has perhaps proven to be stable under these problems.
Among HEC, I personally obtain Cellosize of Dow as the most steady solution in contrast to Bermocoll & Tylose.
Myself as Paint formulator & other colleagues functioning in diverse providers experienced a problem current for assortment. For much less expensive Paints the More robust products or Higher Viscosity grades have been utilised these but there usually was a flocculation immediately after some period of time on shelf storage. For the Expensive types we experienced to like Medium Viscosities quality to overcome shelf storage time. Most of the businesses carry the exact same observe.
When I came throughout Solvitex selection of Thickeners I was offered a lot competitive prices. Priced at minimum 10% reduce than HEC primarily based Solutions, but my major worry was to test the colloidal stabilization. The Products was straight away tested and was found to execute excellent.
Aside from that, Solvitex has furnished better shade acceptance & and coatabilty.
Faster we arrived throughout Solvizen developed by the identical company for extra financial & less expensive Price tag. The thickening & security qualities was the exact but economically priced.
Having said that, The Drinking water option clarity of Solvizen was not as crystal clear as of Solvitex or HECs. It was slight turbid. But when incorporated in Paints, we couldn’t obtain any distinction. All over again the Paint was secure physically noticed.
As a Paint formulator from earlier 2 many years and based mostly on my encounters, I suggest to all all those experts in the exact field to test Solvitex & Solvizen selection of Thickening brokers.
For more info about solviex & solvizen just one can examine
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