DE68915364D1 - Kreuzrichtungsweise Verteilung von Zusatzmitteln in synthetischem Papier. - Google Patents
Kreuzrichtungsweise Verteilung von Zusatzmitteln in synthetischem Papier.Info
- Publication number
- DE68915364D1 DE68915364D1 DE68915364T DE68915364T DE68915364D1 DE 68915364 D1 DE68915364 D1 DE 68915364D1 DE 68915364 T DE68915364 T DE 68915364T DE 68915364 T DE68915364 T DE 68915364T DE 68915364 D1 DE68915364 D1 DE 68915364D1
- Authority
- DE
- Germany
- Prior art keywords
- additives
- synthetic paper
- crosswise distribution
- crosswise
- distribution
- 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 - Fee Related
Links
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
- 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
- D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
- D21H23/18—Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining
-
- 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
- D21H3/00—Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/233,634 US4940512A (en) | 1988-08-18 | 1988-08-18 | Cross-directional distribution of additives in synthetic papers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68915364D1 true DE68915364D1 (de) | 1994-06-23 |
DE68915364T2 DE68915364T2 (de) | 1994-11-17 |
Family
ID=22878072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68915364T Expired - Fee Related DE68915364T2 (de) | 1988-08-18 | 1989-08-18 | Kreuzrichtungsweise Verteilung von Zusatzmitteln in synthetischem Papier. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4940512A (de) |
EP (1) | EP0355734B1 (de) |
JP (1) | JP2850253B2 (de) |
KR (1) | KR900003482A (de) |
CA (1) | CA1327470C (de) |
DE (1) | DE68915364T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4940512A (en) * | 1988-08-18 | 1990-07-10 | E. I. Du Pont De Nemours And Co.Ny | Cross-directional distribution of additives in synthetic papers |
US5215636A (en) * | 1991-09-27 | 1993-06-01 | American International Technologies, Inc. | Pulsed discharge surface treatment apparatus and process |
DE4237309A1 (de) * | 1992-11-05 | 1993-04-08 | Voith Gmbh J M | |
US5622775A (en) * | 1993-08-24 | 1997-04-22 | E. I. Du Pont De Nemours And Company | Layered smooth surface aramid papers of high strength and printability |
US5560807A (en) * | 1995-03-29 | 1996-10-01 | Beloit Technologies, Inc. | Headbox additive injection system |
US5997692A (en) * | 1996-02-07 | 1999-12-07 | Gl&V-Paper Machine Group, Inc. | Profiling wet end starch applicator |
ES2199320T3 (es) * | 1996-10-29 | 2004-02-16 | Hans-Joachim Dr. Schultz | Procedimiento para introducir sustancias en una banda de materia fibrosa en movimiento. |
DE19654390A1 (de) * | 1996-12-27 | 1998-07-02 | Basf Ag | Verfahren zur Herstellung von Papier |
ATE251936T1 (de) * | 1998-09-18 | 2003-11-15 | Franz-Dietrich Oeste | Wirkstoffhaltige fasergebilde, verfahren zu deren herstellung und deren verwendung |
DE19843727A1 (de) * | 1998-09-24 | 2000-03-30 | Voith Sulzer Papiertech Patent | Verfahren und Stoffauflaufsystem zur Verbesserung des Konsistenzquerprofils einer Faserbahn |
US6270625B1 (en) | 1999-06-29 | 2001-08-07 | The Mead Corporation | Method for manufacturing colored stripped paper |
WO2003012195A1 (en) * | 2001-07-31 | 2003-02-13 | Garcia Jose B J | Twin headbox for super reinforced web in paper manufacturing |
KR101988051B1 (ko) * | 2012-12-06 | 2019-06-11 | 도레이케미칼 주식회사 | 정류롤을 갖는 아라미드 다층 페이퍼 분리막 제조장치 |
KR101972171B1 (ko) * | 2012-12-06 | 2019-04-24 | 도레이케미칼 주식회사 | 아라미드 다층 페이퍼 분리막 제조장치 |
KR101978518B1 (ko) * | 2012-12-11 | 2019-05-14 | 도레이케미칼 주식회사 | 아라미드 다층 페이퍼 분리막 및 그 제조방법 |
KR102036803B1 (ko) * | 2012-12-11 | 2019-10-25 | 도레이케미칼 주식회사 | 아라미드 다층 페이퍼 분리막 및 그 제조방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1644620A (en) * | 1925-05-23 | 1927-10-04 | Unkle Charles Wilbert | Apparatus for paper manufacture |
NL246230A (de) * | 1958-12-09 | |||
US3493463A (en) * | 1966-05-10 | 1970-02-03 | Bird Machine Co | Process and apparatus for forming a high strength band along the length of a paper web |
US3756908A (en) * | 1971-02-26 | 1973-09-04 | Du Pont | Synthetic paper structures of aromatic polyamides |
US3819569A (en) * | 1973-06-28 | 1974-06-25 | Du Pont | Aromatic polyamides stabilized with nickelous carbonate |
JPS57205593A (en) * | 1981-06-08 | 1982-12-16 | Tatsuo Morishita | Production of color separated special paper |
US4940512A (en) * | 1988-08-18 | 1990-07-10 | E. I. Du Pont De Nemours And Co.Ny | Cross-directional distribution of additives in synthetic papers |
-
1988
- 1988-08-18 US US07/233,634 patent/US4940512A/en not_active Expired - Lifetime
-
1989
- 1989-08-11 CA CA000608180A patent/CA1327470C/en not_active Expired - Fee Related
- 1989-08-18 KR KR1019890011743A patent/KR900003482A/ko not_active Application Discontinuation
- 1989-08-18 EP EP89115259A patent/EP0355734B1/de not_active Expired - Lifetime
- 1989-08-18 JP JP1211560A patent/JP2850253B2/ja not_active Expired - Lifetime
- 1989-08-18 DE DE68915364T patent/DE68915364T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0284597A (ja) | 1990-03-26 |
EP0355734A2 (de) | 1990-02-28 |
JP2850253B2 (ja) | 1999-01-27 |
EP0355734B1 (de) | 1994-05-18 |
EP0355734A3 (de) | 1991-05-08 |
DE68915364T2 (de) | 1994-11-17 |
CA1327470C (en) | 1994-03-08 |
US4940512A (en) | 1990-07-10 |
KR900003482A (ko) | 1990-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |