 Home > Chemicals Industry > Chemical Technology > Modified melamine formaldehyde flocculant

Modified melamine formaldehyde flocculant

 Last Update: 2021-10-21
 Source: Internet
 Author: User

Tags

ph hcl solution

water resistant material

Search more information of high quality chemicals, good prices and reliable suppliers, visit www.echemi.com

[Preparation method] The preparation of modified melamine formaldehyde flocculant is divided into two steps: ① preparation of melamine formaldehyde resin; ② cationization

(1) Preparation of melamine formaldehyde resin

First add water and raw material melamine into a three-necked flask, adjust the pH of the reaction system to 8.

(2) Cationization

The temperature of the reaction system is controlled at 70-80°C, formaldehyde and dimethylamine solution are slowly added, and the material is discharged after reacting for 2-5 hours

Related links: Preparation method of modified urea-formaldehyde resin quaternary ammonium salt

This article is an English version of an article which is originally in the Chinese language on echemi.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to service@echemi.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Products

PTFE micropowder Coating white powder resistant to corrosion and friction

CAS No.: 9002-84-0

Chemical Grade

$19-20/KG FOB

High quality PVDF resin with chemical stability and heat resistance

CAS No.: 24937-79-9

Chemical Grade

$39-40/KG FOB

PES dispersion BSP-450 with temperature resistance milky liquid

CAS No.: 9002-84-0

Chemical Grade

$8-9/KG FOB

Hot Tags

united states jobs(223)

jobs united states(236)

1 year treasury(277)

1 year subscription(296)

announcements today(81)

80 20 company(94)

united states logo(227)

single use technology(195)

healthy food name(42)

ups united states(221)

Hot Articles

The source of this page with content of products and services is from Internet, which doesn't represent ECHEMI's opinion. If you have any queries, please write to service@echemi.com. It will be replied within 5 days.

Moreover, if you find any instances of plagiarism from the page, please send email to service@echemi.com with relevant evidence.