Patent
Method for chemically plating Ni-P-graphene composite coating on surface of red copper
Yao Junhe,He Xiangzhu,Chen Yunyi +2 more
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TLDR
In this article, a method for chemically plating a Ni-P-graphene composite coating on the surface of red copper was proposed, which comprises the steps of removing oil by adopting chemical degreasing liquid which is prepared from the following components: 10 to 30 g/L of sodium hydroxide, 5 to 20 g/l of sodium silicate, 10 to30 g/M of sodium carbonate and 10to 30 g /L of trisodium phosphate.Abstract:
The invention provides a method for chemically plating a Ni-P-graphene composite coating on the surface of red copper The method comprises the steps of removing oil by adopting chemical degreasing liquid which is prepared from the following components: 10 to 30 g/L of sodium hydroxide, 5 to 20 g/L of sodium silicate, 10 to 30 g/L of sodium carbonate and 10 to 30 g/L of trisodium phosphate; then chemically plating by adopting composite plating liquid which is prepared from the following components: 20 to 50 g/L of nickel salt, 20 to 50 g/L sodium hypophosphite, 10 to 40 g/L of sodium acetate,1 to 10 g/L of malic acid, 5 to 20 ml/L of lactic acid, 01 to 10 g/L of surfactant, 1 to 10 mg/L of potassium iodate and 01 to 20 g/L of oxidized graphene in the step (A) The Ni-P-graphene composite coating formed on the surface of the red copper has the advantages of excellent corrosion resistance and high rigidityread more
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Method for preparing copper-graphene compound plating layer, chemical plating solution and plating solution preparation method
TL;DR: In this paper, a method for preparing a copper-graphene compound plating layer, a chemical plating solution and a plating solutions preparation method is presented, which is used for solving the technical problem of poor workpiece surface corrosion resistance in the prior art.
Patent
Aluminum-induced chemical plating method of pre-plated copper film
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Patent
Copper alloy surface Ni-P-nanometer TiO2 composite plating liquid preparation and plating process
Xu Xiaojing,Qingjun Liu,Zhang Bing,Hao Chen,Xu Zhang,Yangguang Liu,Xiao Yishui,Jiang Ze,Qiang Mao,Tianci Zhang +9 more
TL;DR: In this paper, a Ni-P-nanometer TiO2 composite plating liquid for copper alloy surfaces and a plating process is described, which consists of 26-34 g/L of nickel sulfate, 22-38 g/l of sodium hypophosphite, 8-16 g /L of anhydrous sodium acetate, 10-20 g /l of citric acid, 20-30 mL/ lactic acid, 4-8 g / l of nanometerTiO2 after ball milling dispersion, and 40-60 mg/
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Method for preparing multicolor fluorescent graphene quantum dots by microwave process
TL;DR: In this article, a method for preparing multicolor fluorescent graphene quantum dots by a microwave process is presented, where a carbon material is used as a reaction raw material to obtain the product by two reaction steps.
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TL;DR: In this paper, a method for preparing yellow-green-fluorescent graphene quantum dots was proposed, which comprises the following steps of: adding concentrated NHO3 and concentrated H2SO4 to an oxidized graphene solution, uniformly mixing, placing a mixture in a microwave oven to react, cooling down to be at the room temperature, carrying out an ultrasonic operation, regulating a pH value to be 8, and carrying out millipore filtration and dialysis to obtain yellow green fluorescent graphene quantum dot with the quantum yield reaching up to 11.7%; and further
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Preparation method of chemical nickeling phosphorus alloy film
TL;DR: In this article, a chemical plating nickel phosphor alloy coating manufacturing method is described. But the method is not suitable for the use of high temperature water and it includes oil removing, rust removing, activating and post treatment of post treatment, and it has the advantages of safe, reliable even coating, long useful life, cathodic protection function for copper alloy screw propeller, lowering marine life defilement.