Preparation method of compound microcapsule-coated ammonium polyphosphate master batch
A technology of coating ammonium polyphosphate and ammonium polyphosphate, which is applied in the field of preparation of compound microcapsule-coated ammonium polyphosphate masterbatch, can solve the problem of decreased tensile strength of flame-retardant products, high free formaldehyde content, and material compatibility Poor problems, to achieve the effect of improving compatibility, reducing formaldehyde content, and increasing processing temperature
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0031] The present invention provides a kind of preparation method of compound type microcapsule coating ammonium polyphosphate masterbatch, it is characterized in that, its step comprises as follows:
[0032] 1) Weigh the formaldehyde solution and melamine powder, and add them to the reaction kettle to stir;
[0033] 2) adding sodium hydroxide solution, adjusting the pH value of the solution to 7, stirring and heating for 2 hours to obtain a melamine-formaldehyde resin prepolymer;
[0034] 3) Add distilled water to ethanol, and stir evenly to obtain ethanol aqueous solution;
[0035] 4) Add the ammonium polyphosphate into the aqueous ethanol solution and stir evenly;
[0036] 5) Add the melamine formaldehyde resin prepolymer to the aqueous ethanol solution containing ammonium polyphosphate, and stir at a constant temperature of 80°C for 2 hours;
[0037] 6) After the reaction is completed, filter and dry with a flash dryer to obtain ammonium polyphosphate powder coated with...
Embodiment 2
[0042] The present invention provides a kind of preparation method of compound type microcapsule coating ammonium polyphosphate masterbatch, it is characterized in that, its step comprises as follows:
[0043] 1) Weigh the formaldehyde solution and melamine powder, and add them to the reaction kettle to stir;
[0044] 2) adding sodium hydroxide solution, adjusting the pH of the solution to 9, stirring and heating for 2 hours to obtain a melamine-formaldehyde resin prepolymer;
[0045] 3) Add distilled water to ethanol, and stir evenly to obtain ethanol aqueous solution;
[0046] 4) Add the ammonium polyphosphate into the aqueous ethanol solution and stir evenly;
[0047] 5) Add the melamine formaldehyde resin prepolymer to the aqueous ethanol solution containing ammonium polyphosphate, and stir at a constant temperature of 80°C for 2 hours;
[0048] 6) After the reaction is completed, filter and dry with a flash dryer to obtain ammonium polyphosphate powder coated with micro...
Embodiment 3
[0054] The present invention provides a kind of preparation method of compound type microcapsule coating ammonium polyphosphate masterbatch, it is characterized in that, its step comprises as follows:
[0055] 1) Weigh the formaldehyde solution and melamine powder, and add them to the reaction kettle to stir;
[0056] 2) adding sodium hydroxide solution, adjusting the pH value of the solution to 8, stirring and heating for 2 hours to obtain a melamine-formaldehyde resin prepolymer;
[0057] 3) Add distilled water to ethanol, and stir evenly to obtain ethanol aqueous solution;
[0058] 4) Add the ammonium polyphosphate into the aqueous ethanol solution and stir evenly;
[0059] 5) Add the melamine formaldehyde resin prepolymer to the aqueous ethanol solution containing ammonium polyphosphate, and stir at a constant temperature of 80°C for 2 hours;
[0060] 6) After the reaction is completed, filter and dry with a flash dryer to obtain ammonium polyphosphate powder coated with...
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
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