DE1419147C - - Google Patents
Info
- Publication number
- DE1419147C DE1419147C DE1419147C DE 1419147 C DE1419147 C DE 1419147C DE 1419147 C DE1419147 C DE 1419147C
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- water
- dimethylformamide
- polyurethane
- product
- 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.)
- Active
Links
- 229920000642 polymer Polymers 0.000 claims description 65
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 239000000047 product Substances 0.000 claims description 46
- 238000000576 coating method Methods 0.000 claims description 40
- 239000004814 polyurethane Substances 0.000 claims description 37
- 229920002635 polyurethane Polymers 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 36
- 239000002904 solvent Substances 0.000 claims description 36
- 239000006185 dispersion Substances 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000003960 organic solvent Substances 0.000 claims description 14
- 229920002554 vinyl polymer Polymers 0.000 claims description 14
- 239000002649 leather substitute Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 9
- 125000005442 diisocyanate group Chemical group 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 8
- -1 polyethylene terephthalate Polymers 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229920001281 polyalkylene Polymers 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 24
- 239000011248 coating agent Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 18
- 239000004800 polyvinyl chloride Substances 0.000 description 11
- 229920000915 polyvinyl chloride Polymers 0.000 description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 239000011148 porous material Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 9
- 239000004952 Polyamide Substances 0.000 description 8
- 229920002647 polyamide Polymers 0.000 description 8
- 239000000969 carrier Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000004970 Chain extender Substances 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 238000001246 colloidal dispersion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000004815 dispersion polymer Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- RXYPXQSKLGGKOL-UHFFFAOYSA-N 1,4-dimethylpiperazine Chemical compound CN1CCN(C)CC1 RXYPXQSKLGGKOL-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate group Chemical group [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 239000012971 dimethylpiperazine Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- QISOBCMNUJQOJU-UHFFFAOYSA-N 4-bromo-1h-pyrazole-5-carboxylic acid Chemical compound OC(=O)C=1NN=CC=1Br QISOBCMNUJQOJU-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- VOWAEIGWURALJQ-UHFFFAOYSA-N Dicyclohexyl phthalate Chemical compound C=1C=CC=C(C(=O)OC2CCCCC2)C=1C(=O)OC1CCCCC1 VOWAEIGWURALJQ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Natural products OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 1
- XGEGHDBEHXKFPX-UHFFFAOYSA-N N-methylthiourea Natural products CNC(N)=O XGEGHDBEHXKFPX-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229940067597 azelate Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- CMCJNODIWQEOAI-UHFFFAOYSA-N bis(2-butoxyethyl)phthalate Chemical compound CCCCOCCOC(=O)C1=CC=CC=C1C(=O)OCCOCCCC CMCJNODIWQEOAI-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- YMBNBZFZTXCWDV-UHFFFAOYSA-N ethane-1,2-diol;propane-1,2,3-triol Chemical compound OCCO.OCC(O)CO YMBNBZFZTXCWDV-UHFFFAOYSA-N 0.000 description 1
- 150000002168 ethanoic acid esters Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000008131 herbal destillate Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XGEGHDBEHXKFPX-NJFSPNSNSA-N methylurea Chemical compound [14CH3]NC(N)=O XGEGHDBEHXKFPX-NJFSPNSNSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1110607B (de) | Verfahren zur Herstellung mikroporoeser Folien bzw. UEberzuege, insbesondere von wasserdampfdurchlaessigem Kunstleder | |
| DE2931125C2 (de) | Verfahren zur Herstellung eines mit Polyurethan imprägnierten faserigen porösen Bahnmaterials | |
| DE2004276C3 (de) | Verfahren zur Herstellung von mikroporösen Polyurethanen in bzw. auf einem Substrat | |
| DE1619284C3 (de) | Verfahren zur Herstellung von mikroporoesem,flaechigem Gut | |
| DE2244520A1 (de) | Lederaustauschstoff und verfahren zu dessen herstellung | |
| DE1619267B1 (de) | Verfahren zur Herstellung von wasserdampfdurchlässigen, mikropor¦sen Bahnmaterialien | |
| DE1809574C3 (de) | Verfahren zur Herstellung eines porösen Folienmaterials aus Polyurethan | |
| DE1815043B2 (de) | Verfahren zur Herstellung von Kunstleder | |
| DE2053892A1 (enrdf_load_stackoverflow) | ||
| DE1419147C (enrdf_load_stackoverflow) | ||
| DE3325163A1 (de) | Impraegniermassen mit polyurethan-polymeren | |
| DE2726569C2 (enrdf_load_stackoverflow) | ||
| DE1469582C3 (enrdf_load_stackoverflow) | ||
| DE1419147B (enrdf_load_stackoverflow) | ||
| DE2047675C2 (de) | Verfahren zur Herstellung von Folienmaterial mit hochglänzender Oberfläche | |
| DE1619304B2 (de) | Verfahren zur herstellung mikroporoeser strukturen | |
| DE1544912C3 (de) | Herstellen von wasserdampfdurchlässigen Flächengebilden | |
| DE1419147A1 (de) | Verfahren zur Herstellung von gleichmaessig mikroporoesen Bahnen | |
| DE1470918A1 (de) | Verfahren zur Herstellung mikroporoeser,flaechenhafter Gebilde | |
| AT280936B (de) | Verfahren zur Herstellung von mit Polyurethan beschichteten Fasermaterialfolien | |
| DE2350205C3 (de) | Verfahren zur Herstellung mikroporöser, dampfdurchlässiger Bahnen oder Folien | |
| DE1267842B (de) | Verfahren zur Herstellung von elastischen Polyurethanfolien oder -ueberzuegen | |
| DE2025616A1 (de) | Verfahren zur Herstellung mikroporöser Flächengebilde durch Koagulation von Polyurethanlösungen | |
| DE1469563A1 (de) | Verfahren zur Herstellung von lederartigem,dampfdurchlaessigem,gleichmaessig mikroporoesem Bahnmaterial | |
| DE1469563B (de) | Verfahren zur Herstellung von lederartigem, dampfdurchlässigem, gleichmäßig mikroporösem Bahnmaterial |