Topic
Sodium hypophosphite
About: Sodium hypophosphite is a research topic. Over the lifetime, 1695 publications have been published within this topic receiving 15932 citations.
Papers published on a yearly basis
Papers
More filters
Patent•
28 Apr 2004
TL;DR: In this article, a battery repair agent composed of ammonium molybdate, sodium hypophosphite, sodium pyrophosphate, sodium hypsulfite, ammonia chloride and distilled water is described.
Abstract: This invention relates to a production method for a battery repair agent composed of ammonium molybdate, sodium hypophosphite, sodium pyrophosphate, sodium hypsulfite, ammonia chloride and distilled water, putting the ammonium molybdate into the distilled water and mixing it to be heated at above 60deg.C, adding the sodium hypobhosphite and sodium pyrophosphate, mixing and adding the sodium hypsulfite and finally adding ammonia chloride mixing it for more than 45 minutes to get the product.
4 citations
TL;DR: In this article, the authors discuss the effects of different types of equipment on the performance of their experiments. But they do not discuss the impact of different kinds of equipment. But,
Abstract: 近年の電子機器の高機能化に伴い, 実装部品の内部接続の高密度化が求められている。それゆえ, 無電解ニッケルめっきおよび置換金めっきは高い信頼性を有するプリント配線板を作製するための重要な工程となっている。信頼性を低下させる要因の1つは, パラジウム触媒が銅配線間の樹脂上に吸着して発生するニッケルの異常析出である。そのため, パラジゥム触媒フリーでの銅配線上への無電解ニッケルめっき法の開発が望まれている。そこで, 本研究ではパラジウム触媒フリーで銅配線上に無電解ニッケルめっきを施す手法を検討し, 銅上で触媒活性を有するヒドラジンを次亜リン酸を含む無電解ニッケルめっき浴に混合する手法を考案した。本法の適用により, パラジウム触媒フリーで銅上に無電解ニッケルめっきが可能となり, 異常析出の発生も抑制された。
4 citations
Patent•
06 Apr 1992TL;DR: In this article, a non-formaldehyde polymerization-crosslinking treatment for cotton or other cellulose-containing fabrics resulting in a fabric with good durable press, wrinkle recovery, and other mechanical properties.
Abstract: A non-formaldehyde polymerization-crosslinking treatment for cotton or other cellulose-containing fabrics resulting in a fabric with good durable press, wrinkle recovery, and other mechanical properties. Unsaturated monomers having two or more carboxyl groups are used in a polymerization-crosslinking treatment at a pH below about 3. The preferred system uses maleic acid and itaconic acid comonomers, potassium persulfate as a free radical initiator, and sodium hypophosphite as an esterification catalyst. A high quality durable press cotton fabric may be produced which does not release formaldehyde during processing, storage, or consumer use.
4 citations
Patent•
29 Mar 2006
TL;DR: A chemical co-plating liquid for the polymer powder used for magnetic rheologic liquid or wave absorbing film is prepared from cobalt sulfate, potassium sodium tartrate, boric acid, ammonium sulfate and sodium hypophosphite as mentioned in this paper.
Abstract: A chemical co-plating liquid for the polymer powder used for magnetic rheologic liquid or wave absorbing film is prepared from cobalt sulfate, potassium sodium tartrate, boric acid, ammonium sulfate, sodium citrate, and sodium hypophosphite. Its plating process is performed at 60-80 deg.C for 1-2 hr.
4 citations
TL;DR: In this paper, a Ni-W-P alloy coating was applied to a bath containing, nickel sulphate, sodium tungstate, sodium hypophosphite, sodium formate, and triethanoloamine.
Abstract: Ni–W–P alloy coatings were deposited from a bath containing, nickel sulphate (VI), sodium tungstate (VI), sodium hypophosphite, sodium formate, and a complexing agent. The complexing agents were formic acid, acetic acid, lactic acid, succinic acid, malic acid, malonic acid, aminoacetic acid and triethanoloamine. It is shown that Ni–W–P coatings are deposited the slowest when complexing agents with the highest stability constants are used. As the deposition rate increases, i.e. in the presence of less stable complexing compounds, the amount of tungsten in the coating decreases. When aminoacetic acid and citric acid were used, the tungsten content in the coating amounted to ∼2 wt-%, depending on the complexing agent concentration and the pH of the bath.
4 citations