METHOD FOR PRODUCING PURIFIED POLYMER EMULSION AND METHOD FOR REMOVING VOLATILE ORGANIC SUBSTANCES

To provide a purified polymer emulsion by removing volatile organic substances such as a residual monomer, solvent, and the like remaining in a polymer emulsion obtained by emulsion polymerization.SOLUTION: Provided is a method for producing a purified polymer emulsion, comprising adding zeolite hav...

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Bibliographic Details
Main Authors SHIBUYA AKIRA, OGAWA NOBUKO, MURATA CHIEI
Format Patent
LanguageEnglish
Japanese
Published 08.07.2022
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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Summary:To provide a purified polymer emulsion by removing volatile organic substances such as a residual monomer, solvent, and the like remaining in a polymer emulsion obtained by emulsion polymerization.SOLUTION: Provided is a method for producing a purified polymer emulsion, comprising adding zeolite having a SiO2/Al2O3 molar ratio of 35 or more and an average pore diameter of 6Å to 12Å to a polymer emulsion containing volatile organic substances.SELECTED DRAWING: None 【課題】乳化重合によって得られるポリマーエマルジョン中に残存する残留モノマーや溶剤などの揮発性有機物質を除去して、精製ポリマーエマルジョンを提供する。【解決手段】精製ポリマーエマルジョンを製造する方法であって、揮発性有機物質を含むポリマーエマルジョンにＳｉＯ2／Ａｌ2Ｏ3モル比が３５以上、かつ平均細孔径が６Å以上１２Å以下であるゼオライトを添加することを特徴とする、精製ポリマーエマルジョンの製造方法。【選択図】なし
Bibliography:Application Number: JP20200219101