COATED AMMONIUM POLYPHOSPHATE AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide coated ammonium polyphosphate showing excellent hydrolysis resistance and having remarkably low free formaldehyde content and its manufacturing method. SOLUTION: Melamine coated ammonium polyphosphate is made to react with formaldehyde and >=1 kinds of compounds s...

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Bibliographic Details
Main Authors NARITA KENSHO, TANAKA MASAYA
Format Patent
LanguageEnglish
Published 23.10.2001
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:PROBLEM TO BE SOLVED: To provide coated ammonium polyphosphate showing excellent hydrolysis resistance and having remarkably low free formaldehyde content and its manufacturing method. SOLUTION: Melamine coated ammonium polyphosphate is made to react with formaldehyde and >=1 kinds of compounds selected from a group composed of urea, thiourea, ethyleneurea and ethylenethiourea to obtain the coated ammonium polyphosphate.
Bibliography:Application Number: JP20000109656