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Binder for inorganic fibers and inorganic fiber mat

A technology of inorganic fibers and binders, applied in textiles, papermaking, non-woven fabrics, etc., can solve the problems of not necessarily obtaining water-soluble binders, lack of solubility, etc.

Active Publication Date: 2018-12-04
NISSHIN CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

An inorganic fiber mat made of inorganic fibers is produced by spraying a low-concentration water-soluble binder on molten glass, but the above-mentioned compounds lack solubility in water, and a suitable water-soluble binder may not be obtained.

Method used

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  • Binder for inorganic fibers and inorganic fiber mat
  • Binder for inorganic fibers and inorganic fiber mat
  • Binder for inorganic fibers and inorganic fiber mat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0081] 100 parts of polyvinyl alcohol described in Table 1 and 5 parts of an ammonia-modified isobutylene-maleic anhydride copolymer were dissolved in ion-exchanged water to prepare an aqueous binder solution for inorganic fibers having a concentration of 2% by mass. As the inorganic fibers, glass wool was used, and the prepared inorganic fiber binder aqueous solution was used to spray the glass wool, and the glass wool was treated by heating and drying at 200° C. for 180 seconds under the treatment conditions in the examples to produce an inorganic fiber mat. The treated amount of the binder for inorganic fibers to the inorganic fiber mat was based on the mass of the treated inorganic fiber mat so that the amount of adhesion to the inorganic fibers was 4% in terms of the solid content ratio of the binder for inorganic fibers.

Embodiment 5～8

[0083] In Example 1, except that the amount of the ammonia-modified product of the isobutylene-maleic anhydride copolymer was changed to 3 parts, 7 parts, 10 parts, and 20 parts, the same manufacturing method as in Example 1 was used to prepare inorganic fibers. Binder aqueous solution, produced inorganic fiber mat.

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Abstract

The invention provides a binder for inorganic fibers and an inorganic fiber mat. The binder for inorganic fibers is characterized by comprising the components of (A), 100 by mass parts of water-soluable high-molecular compound; and (B), more than 3 by mass parts of an ammonia modifier which comprises a copolymer of Maleic anhydride. The binder for the inorganic fibers according to the invention can be used for manufacturing the inorganic fiber mat with restoring rate which is next to that of phenol formaldehyde resin. Furthermore, the discharging amount of volatile organic compounds from the inorganic fiber mat is low.

Description

technical field [0001] The present invention relates to a binder for inorganic fibers and an inorganic fiber mat treated with the binder, in particular to a binder for inorganic fibers which is suitable for use as heat insulating materials for construction, Inorganic fiber mats such as sound-absorbing materials emit very little volatile organic compounds, have sufficient thickness, and provide excellent recovery. Background technique [0002] So far, inorganic fiber mats made of inorganic fibers such as glass wool and rock wool have been widely used as thermal insulation materials and sound-absorbing materials for industrial and residential use. As far as the inorganic fiber mat is concerned, a binder with water-soluble phenolic resin as the main component is generally used to fix the inorganic fibers and form them into a mat shape (for example, Japanese Patent Laying-Open No. 58-070760: Patent Document 1) . [0003] However, the water-soluble phenolic resin used as the ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/587D04H1/4209D04H1/4218
CPCD04H1/4209D04H1/4218D04H1/587C08L29/04C08L23/36C03C25/50
Inventor 有马尚市内田昴辉
Owner NISSHIN CHEM IND CO LTD
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