JPH0460141B2 - - Google Patents
Info
- Publication number
- JPH0460141B2 JPH0460141B2 JP59078273A JP7827384A JPH0460141B2 JP H0460141 B2 JPH0460141 B2 JP H0460141B2 JP 59078273 A JP59078273 A JP 59078273A JP 7827384 A JP7827384 A JP 7827384A JP H0460141 B2 JPH0460141 B2 JP H0460141B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- fiber
- latex
- mixture
- parts
- 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.)
- Expired
Links
- 229920000642 polymer Polymers 0.000 claims description 162
- 239000000835 fiber Substances 0.000 claims description 81
- 239000002657 fibrous material Substances 0.000 claims description 81
- 239000000203 mixture Substances 0.000 claims description 74
- 239000000701 coagulant Substances 0.000 claims description 65
- 239000004816 latex Substances 0.000 claims description 60
- 229920000126 latex Polymers 0.000 claims description 60
- 239000000243 solution Substances 0.000 claims description 47
- 239000002861 polymer material Substances 0.000 claims description 27
- 238000005345 coagulation Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 230000015271 coagulation Effects 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 239000007900 aqueous suspension Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 229920006231 aramid fiber Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 claims description 5
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 2
- 238000011437 continuous method Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 16
- 239000002174 Styrene-butadiene Substances 0.000 description 16
- 239000011115 styrene butadiene Substances 0.000 description 16
- 229920003048 styrene butadiene rubber Polymers 0.000 description 16
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 15
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical class [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 13
- 239000006185 dispersion Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 12
- 229920000459 Nitrile rubber Polymers 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 10
- 239000004636 vulcanized rubber Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 239000011780 sodium chloride Chemical class 0.000 description 8
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 7
- 239000001110 calcium chloride Substances 0.000 description 7
- 229910001628 calcium chloride Inorganic materials 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 7
- 229920005594 polymer fiber Polymers 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 239000005060 rubber Substances 0.000 description 6
- 239000004760 aramid Substances 0.000 description 5
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000008240 homogeneous mixture Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 229920000271 Kevlar® Polymers 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- 229920003235 aromatic polyamide Polymers 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004761 kevlar Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010058 rubber compounding Methods 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 239000012936 vulcanization activator Substances 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 229920000768 polyamine Chemical class 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- 239000012258 stirred mixture Substances 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- 229960002447 thiram Drugs 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- -1 juute Polymers 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- ZJNLYGOUHDJHMG-UHFFFAOYSA-N 1-n,4-n-bis(5-methylhexan-2-yl)benzene-1,4-diamine Chemical compound CC(C)CCC(C)NC1=CC=C(NC(C)CCC(C)C)C=C1 ZJNLYGOUHDJHMG-UHFFFAOYSA-N 0.000 description 1
- 244000198134 Agave sisalana Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000001266 bandaging Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 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 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920005555 halobutyl Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- IUJLOAKJZQBENM-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SNC(C)(C)C)=NC2=C1 IUJLOAKJZQBENM-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000007966 viscous suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
- C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
- C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48648583A | 1983-04-19 | 1983-04-19 | |
| US486485 | 1983-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59199231A JPS59199231A (ja) | 1984-11-12 |
| JPH0460141B2 true JPH0460141B2 (enrdf_load_stackoverflow) | 1992-09-25 |
Family
ID=23932078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59078273A Granted JPS59199231A (ja) | 1983-04-19 | 1984-04-18 | 均一な重合体・繊維混合物の製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS59199231A (enrdf_load_stackoverflow) |
| AU (1) | AU572504B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1242362A (enrdf_load_stackoverflow) |
| DE (1) | DE3413884A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2544727B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2138430B (enrdf_load_stackoverflow) |
| IT (1) | IT1178922B (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4602083A (en) * | 1985-01-10 | 1986-07-22 | Rohm And Haas Company | Coagulation process |
| US5205972A (en) * | 1989-10-31 | 1993-04-27 | E. I. Du Pont De Nemours And Company | Process for incorporating organic fibrous fillers in elastomers |
| RU2075487C1 (ru) * | 1989-10-31 | 1997-03-20 | Е.И.Дюпон Де Немур Энд Компани | Способ получения эластомера |
| DE69033455T2 (de) * | 1989-10-31 | 2000-09-21 | E.I. Du Pont De Nemours & Co. (N.D.Ges. Des Staates Delaware), Wilmington | Vorkoagulationsverfahren zur Einführung von organischen faserartigen Füllstoffen in SBR |
| US5205973A (en) * | 1989-10-31 | 1993-04-27 | E. I. Du Pont De Nemours And Company | Precoagulation process for incorporating organic fibrous fillers |
| JP3998692B2 (ja) * | 2004-12-27 | 2007-10-31 | 横浜ゴム株式会社 | ゴム／短繊維マスターバッチ及びその製造方法並びにそれらのマスターバッチを用いた空気入りタイヤ |
| JP5063919B2 (ja) * | 2006-04-11 | 2012-10-31 | 住友ゴム工業株式会社 | 紙繊維マスターバッチの製造方法および該紙繊維マスターバッチならびにタイヤ用ゴム組成物の製造方法 |
| CN106750390B (zh) * | 2016-11-29 | 2019-04-19 | 中蓝晨光化工有限公司 | 一种芳香族聚酰胺纤维橡胶预混母料的制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1273179B (de) * | 1963-03-12 | 1968-07-18 | Degussa | Verfahren zum kontinuierlichen Koagulieren von waessrigen Synthesekautschukdispersionen |
| FR2017020A1 (enrdf_load_stackoverflow) * | 1968-08-24 | 1970-05-15 | Degussa | |
| DE1804409C3 (de) * | 1968-10-22 | 1975-03-27 | Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt | Für die Pastenextrusion geeignete Polytetraflouräthylen-Füllstoff-Mischungen |
| GB1447625A (en) * | 1972-12-06 | 1976-08-25 | Bp Chemicals International Td | Recovery process |
| DE2439237C3 (de) * | 1974-08-16 | 1978-11-16 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung pulverförmiger, nicht verklebender, rieselfähiger, füllstoffhaltiger gegebenenfalls Weichmacheröl enthaltender Kautschuk-Grundmischungen und ihre Verwendung |
| DE2705555A1 (de) * | 1977-02-10 | 1978-08-17 | Bayer Ag | Stabile waermesensible latexmischungen |
| JPS56115326A (en) * | 1980-02-18 | 1981-09-10 | Daikin Ind Ltd | Preparation of fine polytetrafluoroethylene powder containing filler |
-
1984
- 1984-02-15 CA CA000447552A patent/CA1242362A/en not_active Expired
- 1984-04-12 DE DE19843413884 patent/DE3413884A1/de active Granted
- 1984-04-16 AU AU26863/84A patent/AU572504B2/en not_active Ceased
- 1984-04-16 GB GB08409834A patent/GB2138430B/en not_active Expired
- 1984-04-18 IT IT67394/84A patent/IT1178922B/it active
- 1984-04-18 JP JP59078273A patent/JPS59199231A/ja active Granted
- 1984-04-18 FR FR8406175A patent/FR2544727B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59199231A (ja) | 1984-11-12 |
| FR2544727A1 (fr) | 1984-10-26 |
| IT8467394A1 (it) | 1985-10-18 |
| IT8467394A0 (it) | 1984-04-18 |
| DE3413884C2 (enrdf_load_stackoverflow) | 1991-12-12 |
| FR2544727B1 (fr) | 1988-12-02 |
| AU2686384A (en) | 1984-10-25 |
| GB2138430A (en) | 1984-10-24 |
| DE3413884A1 (de) | 1984-10-25 |
| CA1242362A (en) | 1988-09-27 |
| IT1178922B (it) | 1987-09-16 |
| GB2138430B (en) | 1986-08-13 |
| AU572504B2 (en) | 1988-05-12 |
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