Aqueous binder for inorganic fiber and thermal and/or...

Details Aqueous binder for inorganic fiber and thermal and/or... Aqueous binder for inorganic fiber and thermal and/or...

2006-08-25

2011-10-25

Wu, David W (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C428S375000, C428S391000, C428S411100, C428S441000, C442S172000, C442S173000, C442S180000, C524S275000, C524S276000, C524S277000, C524S475000, C524S487000

Reexamination Certificate

active

08044129

ABSTRACT:
Provided is an aqueous binder for inorganic fibers, which is formaldehyde-free, has excellent strength, and is suitable for use under conditions of weakly acidic to weakly basic, and by which a cured product composed of the binder having excellent strength is obtained, and an thermal and/or acoustical insulation material made of inorganic fiber using the same. The thermal and/or acoustical insulation material is molded by using an aqueous binder for inorganic fibers including: an acrylic resin with an acid value of 350 to 850 mgKOH/g; a crosslinking agent containing at least one dialkanolamine; and a curing accelerator, in which a molar ratio of the total number of the hydroxyl groups and imino groups in the crosslinking agent to the total number of carboxyl groups in the acrylic resin is 0.8:1 to 1.5:1, and in which pH of the binder is adjusted to 6.0 to 8.0 with a volatile basic compound.

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