Topic
Sodium hypophosphite
About: Sodium hypophosphite is a research topic. Over the lifetime, 1695 publications have been published within this topic receiving 15932 citations.
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Patent•
13 May 1966
TL;DR: In this paper, the authors describe electroless nickel plating using an aqueous acid plating bath in which a single compound, nickel fluoborate, (NiBF4)2, is the source both of the nickel ions and of the buffer for control of the pH of the bath.
Abstract: : The patent describes electroless nickel plating using an aqueous acid plating bath in which a single compound, nickel fluoborate, (NiBF4)2, is the source both of the nickel ions and of the buffer for control of the pH of the bath and sodium hypophosphite is the reducing agent for the nickel ions.
2 citations
TL;DR: In this paper , the effect of the elements of the coating bath on the rate of mass deposition has been examined and discussed in this study, and the first order regression equation has been developed to predict the deposition rate per unit area.
2 citations
TL;DR: An eco-friendly, cost-effective route for fabrication of silver (Ag) coatings on the surface of magnesium titanate ceramic by electroless plating (EP) based on a novel Ni-P activation process was developed successfully as discussed by the authors .
2 citations
Patent•
20 May 2012
TL;DR: In this paper, the nanofibre is added to the solution in form of powder particles of aluminium oxide-hydroxide phases with particle size 100-700 nm, which enables to obtain a composite coating, having low coefficient of friction, high wear resistance and high corrosion resistance.
Abstract: FIELD: chemistry. ^ SUBSTANCE: solution for chemical deposition of composite coating contains the following components, g/l: nickel sulphate 10-30, sodium hypophosphite 10-20, sodium acetate 10-15, polyvinyl alcohol 0.5-1, nanofibre 0.1-10, distilled water - 1 litre. The nanofibre is added to the solution in form of powder particles of aluminium oxide-hydroxide phases with particle size 100-700 nm. ^ EFFECT: invention enables to obtain a composite coating, having low coefficient of friction, high wear resistance and high corrosion resistance. ^ 1 tbl, 1 ex
2 citations
Patent•
27 Feb 2018
TL;DR: In this article, an ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and a preparation method of the ultrasonic-wave and double-complexing agent-assisted CPMG chemical composite layer are presented.
Abstract: The invention discloses an ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and a preparation method of the ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer. Low-carbon steel is subjected to ultrasonic assistance in Ce-Ni-Mo-P/Go chemical composite sedimentation liquid, and a Ce-Ni-Mo-P/Go chemical composite sedimentation layer is obtained on the surface of the low-carbon steel. Each liter of composite sedimentation liquid contains nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, lactic acid, cerium acetate lead, oxidized graphene and lauryl sodium sulfate. The trisodium citrate and lactic acid double complexing agent system is adopted in the formula of fluid preparation, sedimentation of a plating layer can be accelerated, and performance can be improved; and self catalysis and reducibility of rare earth cerium are beneficial to sedimentation reaction of plating solution. According to the composite sedimentation layer prepared through the method, the corrosion resistance, surface hardness, wear resistance and the like of low-carbonsteel can be effectively improved, and the problems of surface cracking, large voidage and the like can be effectively solved.
2 citations