CA1242853A - Pressboard and process for its preparation - Google Patents
Pressboard and process for its preparationInfo
- Publication number
- CA1242853A CA1242853A CA000476568A CA476568A CA1242853A CA 1242853 A CA1242853 A CA 1242853A CA 000476568 A CA000476568 A CA 000476568A CA 476568 A CA476568 A CA 476568A CA 1242853 A CA1242853 A CA 1242853A
- Authority
- CA
- Canada
- Prior art keywords
- pressboard
- weight
- floc
- volume
- fibrids
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 244000010375 Talinum crassifolium Species 0.000 claims abstract 10
- 235000015055 Talinum crassifolium Nutrition 0.000 claims abstract 10
- 239000004760 aramid Substances 0.000 claims description 44
- 229920003235 aromatic polyamide Polymers 0.000 claims description 44
- 239000011800 void material Substances 0.000 claims description 23
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 19
- 229910052753 mercury Inorganic materials 0.000 claims description 19
- -1 poly(p-phenylene terephthalamide) Polymers 0.000 claims description 13
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- YCGKJPVUGMBDDS-UHFFFAOYSA-N 3-(6-azabicyclo[3.1.1]hepta-1(7),2,4-triene-6-carbonyl)benzamide Chemical compound NC(=O)C1=CC=CC(C(=O)N2C=3C=C2C=CC=3)=C1 YCGKJPVUGMBDDS-UHFFFAOYSA-N 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 53
- 239000000123 paper Substances 0.000 description 29
- 239000000203 mixture Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011086 glassine Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000490229 Eucephalus Species 0.000 description 1
- 206010033733 Papule Diseases 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 101100408472 Rhodocybe pseudopiperita ple6 gene Proteins 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 244000062804 prey Species 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- 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
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/1272—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of fibres which can be physically or chemically modified during or after web formation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
- H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Paper (AREA)
- Organic Insulating Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58960184A | 1984-03-14 | 1984-03-14 | |
| US589,601 | 1984-03-14 | ||
| US69779785A | 1985-02-04 | 1985-02-04 | |
| US697,797 | 1985-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1242853A true CA1242853A (en) | 1988-10-11 |
Family
ID=27080604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000476568A Expired CA1242853A (en) | 1984-03-14 | 1985-03-14 | Pressboard and process for its preparation |
Country Status (11)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191599A (ja) * | 1986-02-19 | 1987-08-21 | 静岡県 | 無機ペ−パ−の製造法 |
| JP2543346B2 (ja) * | 1986-07-25 | 1996-10-16 | 大福製紙株式会社 | 合成紙 |
| US5667900A (en) * | 1993-01-04 | 1997-09-16 | E. I. Du Pont De Nemours And Company | Aramid paper with high surface smoothness |
| US5320892A (en) * | 1993-02-22 | 1994-06-14 | E. I. Du Pont De Nemours And Company | Tough layered papers with improved surface adhesion |
| CN1078645C (zh) | 1999-01-22 | 2002-01-30 | 四川省对外经济贸易总公司 | 特种合成纤维纸及其生产方法 |
| US6312561B1 (en) * | 2000-01-21 | 2001-11-06 | E. I. Du Pont De Nemours And Company | Flame barrier compositions and their use |
| US8431213B2 (en) | 2008-11-14 | 2013-04-30 | E I Du Pont De Nemours And Company | Sheet structures having improved compression performance |
| CN102216507A (zh) * | 2008-11-14 | 2011-10-12 | 纳幕尔杜邦公司 | 具有改进的压缩性能的片材结构的制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3756908A (en) * | 1971-02-26 | 1973-09-04 | Du Pont | Synthetic paper structures of aromatic polyamides |
| JPS5181862A (enrdf_load_stackoverflow) * | 1975-01-16 | 1976-07-17 | Mitsubishi Rayon Co | |
| JPS5263268A (en) * | 1975-10-23 | 1977-05-25 | Unitika Ltd | Method of manufacture of formed product of aromatic polyamide |
| JPS5316070A (en) * | 1976-07-30 | 1978-02-14 | Teijin Ltd | Sheets |
| JPS5465747A (en) * | 1977-11-04 | 1979-05-26 | Motoo Takayanagi | High molecular composite body |
| JPS5549811A (en) * | 1978-10-03 | 1980-04-10 | Mitsubishi Paper Mills Ltd | Laminated insulating board |
| JPS5596506A (en) * | 1979-01-19 | 1980-07-22 | Tokyo Shibaura Electric Co | Method of fabricating coil insulator of oillfilled electric equipment |
| JPS57183499A (en) * | 1981-05-06 | 1982-11-11 | Mitsui Toatsu Chemicals | Sheet like article |
| JPS59211208A (ja) * | 1983-05-16 | 1984-11-30 | Fuji Electric Corp Res & Dev Ltd | 油入電器用積層絶縁物 |
-
1985
- 1985-03-12 BR BR8501096A patent/BR8501096A/pt not_active IP Right Cessation
- 1985-03-12 AU AU39755/85A patent/AU578270B2/en not_active Expired
- 1985-03-13 DE DE8585301728T patent/DE3581099D1/de not_active Expired - Lifetime
- 1985-03-13 EP EP85301728A patent/EP0156587B1/en not_active Expired - Lifetime
- 1985-03-13 ES ES541208A patent/ES8607451A1/es not_active Expired
- 1985-03-13 DK DK115685A patent/DK115685A/da not_active Application Discontinuation
- 1985-03-13 MX MX204608A patent/MX167850B/es unknown
- 1985-03-14 JP JP60049461A patent/JPH0762319B2/ja not_active Expired - Lifetime
- 1985-03-14 CA CA000476568A patent/CA1242853A/en not_active Expired
- 1985-03-14 GR GR850657A patent/GR850657B/el unknown
- 1985-03-14 KR KR1019850001634A patent/KR900008535B1/ko not_active Expired
-
1995
- 1995-04-18 JP JP7116494A patent/JP2733456B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR8501096A (pt) | 1985-11-05 |
| AU578270B2 (en) | 1988-10-20 |
| ES8607451A1 (es) | 1986-05-16 |
| JPS60209100A (ja) | 1985-10-21 |
| JP2733456B2 (ja) | 1998-03-30 |
| KR850006461A (ko) | 1985-10-05 |
| JPH07324296A (ja) | 1995-12-12 |
| DK115685D0 (da) | 1985-03-13 |
| AU3975585A (en) | 1985-09-19 |
| JPH0762319B2 (ja) | 1995-07-05 |
| DE3581099D1 (de) | 1991-02-07 |
| DK115685A (da) | 1985-09-15 |
| MX167850B (es) | 1993-04-15 |
| EP0156587B1 (en) | 1990-12-27 |
| KR900008535B1 (ko) | 1990-11-24 |
| EP0156587A1 (en) | 1985-10-02 |
| ES541208A0 (es) | 1986-05-16 |
| GR850657B (enrdf_load_stackoverflow) | 1985-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |