凝集処理剤 - Hymo Co., Ltd.

Title:

凝集処理剤

Document Type and Number:

Japanese Patent JP5733834

Kind Code:

B2

Abstract:

A water-in-oil emulsion is a product form having many practical advantages. A vinylamine-based macromolecule having specific effects as papermaking chemicals and a flocculant is provided in the form of a water-in-oil emulsion having good storage stability and high performance as a flocculation treatment agent. Disclosed is a flocculation treatment agent including a water-in-oil emulsion of a water-soluble macromolecule that is produced by subjecting a water-in-oil emulsion of an aqueous poly-N-vinylcarboxylic acid amide solution coexisting with a polyoxyalkylene alkyl ether to hydrolysis in the presence of an acid or a base. Preferably, the polyoxyalkylene alkyl ether is added before the hydrolysis reaction.

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Inventors:

Mitsui Shohei
Kazuo Takeo
Wakatsuki Shogo
Yonekura On

Application Number:

JP2012128818A

Publication Date:

June 10, 2015

Filing Date:

June 06, 2012

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