Binder and aqueous solution

Patent metadata

Field	Value
Publication number	US-9976009-B2
Application number	US-201515528805-A
Country	US
Kind code	B2
Filing date	Dec 16, 2015
Priority date	Dec 26, 2014
Publication date	May 22, 2018
Grant date	May 22, 2018

Abstract

Provided is a binder that has satisfactory storage stability and can express an excellent bonding strength for a glass fiber or powdered glass (impart a satisfactory strength to a bonded body with the glass fiber or the powdered glass). The binder of the present invention includes: a polymer having a hydroxyl group; and an ammonium salt of an inorganic acid, in which: the polymer contains a specific structural unit derived from a monomer represented by the general formula (1) and a specific structural unit derived from a monomer containing a carboxylic acid (salt) group.

First claim

The invention claimed is:

1. A binder, comprising:
a polymer having a hydroxyl group; and
an ammonium salt of an inorganic acid, wherein:
the polymer contains a structural unit derived from a monomer represented by the general formula (1) and a structural unit derived from a monomer containing at least one of a carboxylic acid group and a salt of the carboxylic acid group;
a content of the structural unit derived from the monomer represented by the general formula (1) is from 5 mol % to 40 mol % with respect to 100 mol % of structural units derived from all monomers;
a content of the structural unit derived from the monomer containing the at least one of the carboxylic acid group and the salt of the carboxylic acid group is from 60 mol % to 95 mol % with respect to 100 mol % of the structural units derived from all the monomers;
2 mol % or more of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with a volatile base and/or a nonvolatile base;
0 mol % to 35 mol % of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with the nonvolatile base; and
0 mol % to 100 mol % of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with the volatile base:

in the general formula (1), R 1 represents a hydrogen atom or a methyl group, and R 2 represents an organic group having 2 to 20 carbon atoms.

2. An aqueous solution, comprising:
a polymer having a hydroxyl group; and
an ammonium salt of an inorganic acid, wherein:
the polymer contains a structural unit derived from a monomer represented by the general formula (1) and a structural unit derived from a monomer containing at least one of a carboxylic acid group and a salt of the carboxylic acid group;
a content of the structural unit derived from the monomer represented by the general formula (1) is from 5 mol % to 40 mol % with respect to 100 mol % of structural units derived from all monomers;
a content of the structural unit derived from the monomer containing the at least one of the carboxylic acid group and the salt of the carboxylic acid group is from 60 mol % to 95 mol % with respect to 100 mol % of the structural units derived from all the monomers;
2 mol % or more of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with a volatile base and/or a nonvolatile base;
0 mol % to 35 mol % of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with the nonvolatile base;
0 mol % to 100 mol % of the at least one of the carboxylic acid groups and the salts of the carboxylic acid groups in the polymer are neutralized with the volatile base; and
the aqueous solution contains 20 mass % or more and 99.9 mass % or less of water:

in the general formula (1), R 1 represents a hydrogen atom or a methyl group, and R 2 represents an organic group having 2 to 20 carbon atoms.

Assignees

• Nippon Catalytic Chem Ind

Inventors

• Shimizu Ikuo
• Yamamoto Takashi

Classifications

• C08K2003/3054

  Ammonium sulfates · CPC title

• C08K3/30 Primary

  Sulfur-, selenium- or tellurium-containing compounds · CPC title

• C03C8/16 Primary

  with vehicle or suspending agents, e.g. slip · CPC title

• C03C13/06

  Mineral fibres, e.g. slag wool, mineral wool, rock wool · CPC title

• C03C25/1095

  to obtain coated fabrics · CPC title