초록 ▼

Inorganic fiber paper including bio-soluble inorganic fibers which have been subjected to a heat treatment and a binder. A method for producing inorganic fiber paper including: the first step of subjecting amorphous bio-soluble inorganic fibers to a heat treatment; and the second step of making pape

Inorganic fiber paper including bio-soluble inorganic fibers which have been subjected to a heat treatment and a binder. A method for producing inorganic fiber paper including: the first step of subjecting amorphous bio-soluble inorganic fibers to a heat treatment; and the second step of making paper comprising the heat-treated bio-soluble inorganic fibers and a binder. Equipment for heating and/or thermal insulation which includes the inorganic fiber paper.

대표청구항 ▼

1. Inorganic fiber paper comprising: bio-soluble inorganic fibers which have the following compositions: SiO2: 66 to 82 wt %CaO: 1 to 9 wt %MgO: 10 to 30 wt %Al2O3: 1 to 3 wt %, and which have been subjected to a heat treatment at a temperature at least 400° C., but lower than the crystallization te

1. Inorganic fiber paper comprising: bio-soluble inorganic fibers which have the following compositions: SiO2: 66 to 82 wt %CaO: 1 to 9 wt %MgO: 10 to 30 wt %Al2O3: 1 to 3 wt %, and which have been subjected to a heat treatment at a temperature at least 400° C., but lower than the crystallization temperature of the fibers, and a binder, which paper exhibits recovery after compression-heating of at least 60% of its pre-compression-heating thickness, said compression-heating having comprised compressing a specimen of the paper until its pre-compression-heating thickness was reduced by 50%, and maintaining the specimen in the compressed state at 500±15° C. for 3 hours, and 0.5 hour after releasing the specimen from the compression-heating, measuring the thickness of the specimen. 2. Inorganic fiber paper comprising: bio-soluble inorganic fibers which have the following composition: SiO2: 66 to 82 wt %CaO: 10 to 34 wt %MgO: 3 wt % or lessAl2O3: 1 to 5 wt %, and which have been subjected to a heat treatment at a temperature at least 400° C., but lower than the crystallization temperature of the fibers, and a binder, which paper exhibits recovery after compression-heating of at least 60% of its pre-compression-heating thickness, said compression-heating having comprised compressing a specimen of the paper until its pre-compression-heating thickness was reduced by 50%, and maintaining the specimen in the compressed state at 500±15° C. for 3 hours, and 0.5 hour after releasing the specimen from the compression-heating, measuring the thickness of the specimen. 3. The inorganic fiber paper according to claim 2 wherein the content of Al2O3 is 1 to 3 wt %. 4. Inorganic fiber paper comprising bio-soluble inorganic fibers which comprise: SiO2: 66 to 82 wt %CaO: 1 to 9 wt %MgO: 10 to 30 wt %Al2O3: 3 wt % or less and which have been subjected to a heat treatment at a temperature at least 400° C., but lower than the crystallization temperature of the fibers, and a binder, which paper exhibits recovery after compression-heating of at least 60% of its pre-compression-heating thickness, said compression-heating having comprised compressing a specimen of the paper until its pre-compression-heating thickness was reduced by 50%, and maintaining the specimen in the compressed state at 500±15° C. for 3 hours, and 0.5 hour after releasing the specimen from the compression-heating, measuring the thickness of the specimen. 5. The inorganic fiber paper according to claim 4 wherein the recovery after the compression heating is 60% to 80%. 6. Inorganic fiber paper comprising bio-soluble inorganic fibers which comprise: SiO2: 66 to 82 wt %CaO: 10 to 34 wt %MgO: 3 wt % or lessAl2O3: 5 wt % or lessother oxides: 2 wt % or less and which have been subjected to a heat treatment at a temperature at least 400° C., but lower than the crystallization temperature of the fibers, and a binder, which paper exhibits recovery after compression-heating of at least 60% of its pre-compression-heating thickness, said compression-heating having comprised compressing a specimen of the paper until its pre-compression-heating thickness was reduced by 50%, and maintaining the specimen in the compressed state at 500±15° C. for 3 hours, and 0.5 hour after releasing the specimen from the compression-heating, measuring the thickness of the specimen. 7. The inorganic fiber paper according to claim 6 wherein the recovery after the compression heating is 60% to 80%.