DE1771693B2 - Flammfestes Papier und ein Ver fahren zu seiner Herstellung - Google Patents
Flammfestes Papier und ein Ver fahren zu seiner HerstellungInfo
- Publication number
- DE1771693B2 DE1771693B2 DE19681771693 DE1771693A DE1771693B2 DE 1771693 B2 DE1771693 B2 DE 1771693B2 DE 19681771693 DE19681771693 DE 19681771693 DE 1771693 A DE1771693 A DE 1771693A DE 1771693 B2 DE1771693 B2 DE 1771693B2
- Authority
- DE
- Germany
- Prior art keywords
- paper
- ammonium
- fibers
- weight
- ammonium polyphosphate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title description 10
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 47
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 47
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 13
- 229920002678 cellulose Polymers 0.000 claims description 12
- 239000001913 cellulose Substances 0.000 claims description 12
- 239000000123 paper Substances 0.000 description 61
- 239000003063 flame retardant Substances 0.000 description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 235000011176 polyphosphates Nutrition 0.000 description 10
- 229920000388 Polyphosphate Polymers 0.000 description 9
- 239000001205 polyphosphate Substances 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- -1 amine guanidines Chemical class 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229920002873 Polyethylenimine Polymers 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000007900 aqueous suspension Substances 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000005341 metaphosphate group Chemical group 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 229920005670 poly(ethylene-vinyl chloride) Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 description 1
- NOXPGSDFQWSNSW-UHFFFAOYSA-N (sulfamoylamino)methane Chemical compound CNS(N)(=O)=O NOXPGSDFQWSNSW-UHFFFAOYSA-N 0.000 description 1
- OZDGMOYKSFPLSE-UHFFFAOYSA-N 2-Methylaziridine Chemical compound CC1CN1 OZDGMOYKSFPLSE-UHFFFAOYSA-N 0.000 description 1
- CSWPOLMVXVBCSV-UHFFFAOYSA-N 2-ethylaziridine Chemical compound CCC1CN1 CSWPOLMVXVBCSV-UHFFFAOYSA-N 0.000 description 1
- IRRTUEIEPNRYCS-UHFFFAOYSA-N 2-methylprop-1-en-1-imine Chemical compound CC(C)=C=N IRRTUEIEPNRYCS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- SQSPRWMERUQXNE-UHFFFAOYSA-N Guanylurea Chemical compound NC(=N)NC(N)=O SQSPRWMERUQXNE-UHFFFAOYSA-N 0.000 description 1
- 101150110809 ORM1 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- MKRNVBXERAPZOP-UHFFFAOYSA-N Starch acetate Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OC(C)=O)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 MKRNVBXERAPZOP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007754 air knife coating Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- PYCBFXMWPVRTCC-UHFFFAOYSA-N ammonium metaphosphate Chemical compound N.OP(=O)=O PYCBFXMWPVRTCC-UHFFFAOYSA-N 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229940001941 soy protein Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012607 strong cation exchange resin Substances 0.000 description 1
- NVBFHJWHLNUMCV-UHFFFAOYSA-N sulfamide Chemical compound NS(N)(=O)=O NVBFHJWHLNUMCV-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/34—Ignifugeants
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/10—Phosphorus-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/0002—Flame-resistant papers; (complex) compositions rendering paper fire-resistant
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64948367A | 1967-06-28 | 1967-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1771693A1 DE1771693A1 (de) | 1972-02-10 |
| DE1771693B2 true DE1771693B2 (de) | 1973-10-25 |
Family
ID=24604987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681771693 Pending DE1771693B2 (de) | 1967-06-28 | 1968-06-27 | Flammfestes Papier und ein Ver fahren zu seiner Herstellung |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0121162A3 (en) * | 1983-03-31 | 1984-11-28 | Hoechst Aktiengesellschaft | Flame-resistant paper and a process for its manufacture |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086449A (en) | 1974-05-14 | 1978-04-25 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker with burning resistant diaphragm |
| GB2202243B (en) * | 1987-03-19 | 1991-04-17 | Kaz Brozdowski | A method for treating a surface of a combustible material |
| RU2158253C1 (ru) * | 1999-07-07 | 2000-10-27 | Акционерное общество "ФК" | Пропиточный противотлеющий раствор для спичечной соломки |
| US7939585B2 (en) * | 2008-01-30 | 2011-05-10 | Sabic Innovative Plastics Ip B.V. | Flame retardant resinous compositions and process |
| US7915329B2 (en) | 2008-12-30 | 2011-03-29 | Sabic Innovative Plastics Ip B.V. | Flame retardant resinous compositions and process |
| US7915328B2 (en) | 2008-12-30 | 2011-03-29 | Sabic Innovative Plastics Ip B.V. | Flame retardant resinous compositions and process |
| DE102009009352A1 (de) * | 2009-02-18 | 2010-08-26 | Abb Ag | Pressspan |
| CN115895193A (zh) * | 2022-12-02 | 2023-04-04 | 山东莱蔚特复合材料有限责任公司 | 一种复合板簧用玻璃纤维增强树脂组合物的制备方法 |
-
1968
- 1968-06-21 CH CH927168A patent/CH524713A/de not_active IP Right Cessation
- 1968-06-27 FI FI181568A patent/FI53854C/fi active
- 1968-06-27 SE SE882168A patent/SE357400B/xx unknown
- 1968-06-27 LU LU56356D patent/LU56356A1/xx unknown
- 1968-06-27 BE BE717275D patent/BE717275A/xx unknown
- 1968-06-27 DE DE19681771693 patent/DE1771693B2/de active Pending
- 1968-06-27 FR FR1570304D patent/FR1570304A/fr not_active Expired
- 1968-06-27 GB GB3071168A patent/GB1184878A/en not_active Expired
- 1968-06-27 NL NL6809060A patent/NL6809060A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0121162A3 (en) * | 1983-03-31 | 1984-11-28 | Hoechst Aktiengesellschaft | Flame-resistant paper and a process for its manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| CH524713A (de) | 1972-06-30 |
| FI53854C (fi) | 1978-08-10 |
| LU56356A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-04-25 |
| BE717275A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-12-27 |
| GB1184878A (en) | 1970-03-18 |
| FR1570304A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-06-06 |
| SE357400B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-25 |
| DE1771693A1 (de) | 1972-02-10 |
| FI53854B (fi) | 1978-05-02 |
| NL6809060A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-12-30 |
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