Novel compound hardening agent used for casting industry
A composite hardener, a new type of technology, applied in the direction of casting molding equipment, casting molds, cores, etc., can solve the problems of low shell strength, surface roughness and poor dimensional accuracy, so as to reduce human injury and improve surface quality and dimensional accuracy are good, and the effect of reducing production cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0016] A kind of novel compound curing agent that is used in foundry industry, comprises the component of following parts by weight: crystalline aluminum chloride 90 parts, ammonium chloride 10 parts, surfactant (sodium dodecylsulfonate: hexadecylsulfonate Potassium acid potassium = 1:1) 0.5 parts, dispersant (polyethylene glycol ester of fatty acid: polyacrylamide = 1:1) 0.5 parts, air-drying agent (fatty alcohol polyoxyethylene ether) 0.5 parts.
[0017] When preparing crystalline aluminum chloride, add aluminum hydroxide and waste hydrochloric acid into the reactor at a molar ratio of 1:1.02-1:1:1.15 to reflux for 0.5-1.5 hours, then filter, evaporate, crystallize, and centrifuge the reaction solution. , separation, and crystalline aluminum chloride can be obtained.
[0018] The crystalline aluminum chloride and other components obtained according to the above content are stirred, mixed and compounded to obtain the novel composite hardener for water glass investment casting...
Embodiment 2
[0020] A kind of novel compound curing agent that is used in foundry industry, comprises the component of following parts by weight: crystalline aluminum chloride 100 parts, ammonium chloride 15 parts, surfactant (sodium lauryl sulfonate: hexadecyl sulfonate Potassium acid potassium = 1:1) 1 part, dispersant (polyethylene glycol ester of fatty acid: polyacrylamide = 1:1) 1 part, air-drying agent (fatty alcohol polyoxyethylene ether) 1 part.
[0021] When preparing crystalline aluminum chloride, add aluminum hydroxide and waste hydrochloric acid into the reactor at a molar ratio of 1:1.02-1:1:1.15 to reflux for 0.5-1.5 hours, then filter, evaporate, crystallize, and centrifuge the reaction solution. , separation, and crystalline aluminum chloride can be obtained.
[0022] The crystalline aluminum chloride and other components obtained according to the above content are stirred, mixed and compounded to obtain the novel composite hardener for water glass investment casting of the...
Embodiment 3
[0024] A kind of novel compound curing agent that is used in foundry industry, comprises the component of following parts by weight: crystalline aluminum chloride 80 parts, ammonium chloride 5 parts, surfactant (sodium dodecylsulfonate: hexadecylsulfonate Potassium acid potassium = 1:1) 0.1 part, dispersant (polyethylene glycol ester of fatty acid: polyacrylamide = 1:1) 0.1 part, air-drying agent (fatty alcohol polyoxyethylene ether) 0.1 part.
[0025] When preparing crystalline aluminum chloride, add aluminum hydroxide and waste hydrochloric acid into the reactor at a molar ratio of 1:1.02-1:1:1.15 to reflux for 0.5-1.5 hours, then filter, evaporate, crystallize, and centrifuge the reaction solution. , separation, and crystalline aluminum chloride can be obtained.
[0026] The crystalline aluminum chloride and other components obtained according to the above content are stirred, mixed and compounded to obtain the novel composite hardener for water glass investment casting of ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com