JP7391333B2 - 不燃材の製造方法および不燃材 - Google Patents
不燃材の製造方法および不燃材 Download PDFInfo
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- JP7391333B2 JP7391333B2 JP2020546216A JP2020546216A JP7391333B2 JP 7391333 B2 JP7391333 B2 JP 7391333B2 JP 2020546216 A JP2020546216 A JP 2020546216A JP 2020546216 A JP2020546216 A JP 2020546216A JP 7391333 B2 JP7391333 B2 JP 7391333B2
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- 239000000463 material Substances 0.000 title claims description 48
- 238000000034 method Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000004327 boric acid Substances 0.000 claims description 126
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 125
- 239000007864 aqueous solution Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000005470 impregnation Methods 0.000 claims description 23
- 239000000654 additive Substances 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 16
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 15
- 229910021538 borax Inorganic materials 0.000 claims description 14
- 239000004328 sodium tetraborate Substances 0.000 claims description 14
- 238000004090 dissolution Methods 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 5
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- RDMZIKMKSGCBKK-UHFFFAOYSA-N disodium;(9,11-dioxido-5-oxoboranyloxy-2,4,6,8,10,12,13-heptaoxa-1,3,5,7,9,11-hexaborabicyclo[5.5.1]tridecan-3-yl)oxy-oxoborane;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].O1B(OB=O)OB(OB=O)OB2OB([O-])OB([O-])OB1O2 RDMZIKMKSGCBKK-UHFFFAOYSA-N 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 239000013077 target material Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 241000218645 Cedrus Species 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004079 fireproofing Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000218691 Cupressaceae Species 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002510 pyrogen Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000018783 Dacrycarpus dacrydioides Nutrition 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 235000009414 Elaeocarpus kirtonii Nutrition 0.000 description 1
- 240000007182 Ochroma pyramidale Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 240000000020 Picea glauca Species 0.000 description 1
- 240000007320 Pinus strobus Species 0.000 description 1
- 235000008578 Pinus strobus Nutrition 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 244000236151 Tabebuia pallida Species 0.000 description 1
- 235000013584 Tabebuia pallida Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 125000005619 boric acid group Chemical group 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/02—Inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Description
2 処理対象物
3 おもり
4 密閉槽
5 高圧槽
6 冷却液槽
Claims (8)
- 不燃材の製造方法において、
ホウ酸の溶解を促進するための添加物を添加することなく、ホウ酸を溶解したホウ酸水溶液と、不燃材の主材となる処理対象物とを含浸槽内に投入する投入ステップと、
ホウ酸水溶液を加圧環境下で昇温しつつ、含浸槽に導入されたホウ酸をさらに溶解することによって、処理対象物の内部に含浸させるホウ酸水溶液を大気圧環境下の最大溶解度よりも高濃度化する高濃度化ステップと、
少なくとも大気圧環境下における沸点に降温するまで加圧状態を維持することを条件に、高濃度化したホウ酸水溶液を降温することによって、処理対象物の内部に含浸したホウ酸を析出させる析出ステップと
を有することを特徴とする不燃材の製造方法。 - 前記高濃度化ステップは、ホウ酸水溶液の温度を120℃以上に設定することを特徴とする請求項1に記載された不燃材の製造方法。
- 前記高濃度化ステップは、ホウ酸水溶液の温度を140~160℃に設定することを特徴とする請求項2に記載された不燃材の製造方法。
- 前記高濃度化ステップは、溶解しきれずに含浸槽内に沈殿している固体物としてのホウ酸を、ホウ酸水溶液の昇温に伴い溶解させることによって、ホウ酸水溶液を高濃度化することを特徴とする請求項1から3のいずれかに記載された不燃材の製造方法。
- 前記高濃度化ステップに先立ち、処理対象物が投入された含浸槽を真空圧環境下に置くことによって、処理対象物の内部に含まれている空気を除去する空気除去ステップをさらに有することを特徴とする請求項1から3のいずれかに記載された不燃材の製造方法。
- 前記析出ステップは、冷却液との熱交換によってホウ酸水溶液を冷却することを特徴とする請求項1から5のいずれかに記載された不燃材の製造方法。
- 不燃材において、
ホウ酸を含み、ホウ酸の水への溶解を促進するための添加物を含まず、かつ、ホウ酸の含有量が180kg/m3以上であることを特徴とする不燃材。 - 不燃材において、
ホウ酸を含み、ホウ砂、リン酸、アンモニウム塩、および、八ホウ酸二ナトリウム四水和物のいずれの添加物も含まず、かつ、コーンカロリーメーターによる発熱性試験で20分加熱時の総発熱量が8MJ/m2以下であることを特徴とする不燃材。
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JP2018172790 | 2018-09-14 | ||
JP2018172790 | 2018-09-14 | ||
PCT/JP2019/036071 WO2020054838A1 (ja) | 2018-09-14 | 2019-09-13 | 不燃材の製造方法および不燃材 |
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JPWO2020054838A1 JPWO2020054838A1 (ja) | 2020-03-19 |
JP7391333B2 true JP7391333B2 (ja) | 2023-12-05 |
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WO (1) | WO2020054838A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007001120A (ja) | 2005-06-23 | 2007-01-11 | Sekisui Jushi Co Ltd | 難燃性木粉の製造方法及び難燃性合成木材 |
JP2007090839A (ja) | 2005-09-30 | 2007-04-12 | Takeji Motai | 耐火木質材あるいは耐火性の建築材とその製造方法、及び耐火処理剤 |
JP2008074670A (ja) | 2006-09-21 | 2008-04-03 | Okura Ind Co Ltd | ホウ素濃度が高いホウ酸化合物水溶液の製造方法及びホウ素濃度が高いホウ酸化合物水溶液 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4916922B1 (ja) * | 1970-04-07 | 1974-04-25 | ||
JPS59199585A (ja) * | 1983-04-25 | 1984-11-12 | 三井東圧化学株式会社 | 不燃性石膏ボ−ド |
DE3633366A1 (de) * | 1986-10-01 | 1988-04-14 | Ruetgerswerke Ag | Verfahren zur herstellung von borsaeure-suspensionen |
WO1991000327A1 (en) * | 1989-06-28 | 1991-01-10 | Oberley William J | Fire retardants and products produced therewith |
-
2019
- 2019-09-13 JP JP2020546216A patent/JP7391333B2/ja active Active
- 2019-09-13 WO PCT/JP2019/036071 patent/WO2020054838A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007001120A (ja) | 2005-06-23 | 2007-01-11 | Sekisui Jushi Co Ltd | 難燃性木粉の製造方法及び難燃性合成木材 |
JP2007090839A (ja) | 2005-09-30 | 2007-04-12 | Takeji Motai | 耐火木質材あるいは耐火性の建築材とその製造方法、及び耐火処理剤 |
JP2008074670A (ja) | 2006-09-21 | 2008-04-03 | Okura Ind Co Ltd | ホウ素濃度が高いホウ酸化合物水溶液の製造方法及びホウ素濃度が高いホウ酸化合物水溶液 |
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JPWO2020054838A1 (ja) | 2020-03-19 |
WO2020054838A1 (ja) | 2020-03-19 |
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