CA2142367A1 - Acid-to-alkaline papermaking process - Google Patents
Acid-to-alkaline papermaking processInfo
- Publication number
- CA2142367A1 CA2142367A1 CA 2142367 CA2142367A CA2142367A1 CA 2142367 A1 CA2142367 A1 CA 2142367A1 CA 2142367 CA2142367 CA 2142367 CA 2142367 A CA2142367 A CA 2142367A CA 2142367 A1 CA2142367 A1 CA 2142367A1
- Authority
- CA
- Canada
- Prior art keywords
- furnishes
- weight
- paper
- furnish
- wet
- 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.)
- Abandoned
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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
-
- 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
- D21H17/07—Nitrogen-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
- 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
- D21H17/13—Silicon-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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/932,663 US5240561A (en) | 1992-02-10 | 1992-08-20 | Acid-to-alkaline papermaking process |
US07/932,663 | 1992-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2142367A1 true CA2142367A1 (en) | 1994-03-03 |
Family
ID=25462688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2142367 Abandoned CA2142367A1 (en) | 1992-08-20 | 1993-01-12 | Acid-to-alkaline papermaking process |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0658229A4 (zh) |
CN (1) | CN1082132A (zh) |
AR (1) | AR246992A1 (zh) |
AU (1) | AU666168B2 (zh) |
CA (1) | CA2142367A1 (zh) |
TW (1) | TW283178B (zh) |
WO (1) | WO1994004752A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6004928A (en) * | 1997-05-13 | 1999-12-21 | Biomeasure, Incorporated | Method of treating hyperlipidemia |
NZ530007A (en) | 2001-06-08 | 2006-02-24 | Sod Conseils Rech Applic | Somatostatin-dopamine chimeric analogues that retain both somatostatin and dopamine activity in vivo and display enhanced biological activity |
CN102628240A (zh) * | 2012-04-24 | 2012-08-08 | 陕西科技大学 | 一种多层淀粉包覆麦草化学浆方法 |
WO2014197938A1 (en) | 2013-06-13 | 2014-12-18 | Antisense Therapeutics Ltd | Combination therapy |
CN108999032B (zh) * | 2018-09-07 | 2021-01-05 | 宿州学院 | 一种改性植物纤维滤纸的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1130271B (de) * | 1960-10-28 | 1962-05-24 | Hoechst Ag | Verfahren zur Verbesserung der Retention mineralischer Fuellstoffe bei der Bildung von Papiervliesen |
US5116418A (en) * | 1984-12-03 | 1992-05-26 | Industrial Progress Incorporated | Process for making structural aggregate pigments |
US4954220A (en) * | 1988-09-16 | 1990-09-04 | E. I. Du Pont De Nemours And Company | Polysilicate microgels as retention/drainage aids in papermaking |
-
1993
- 1993-01-12 EP EP93903481A patent/EP0658229A4/en not_active Ceased
- 1993-01-12 AU AU34728/93A patent/AU666168B2/en not_active Ceased
- 1993-01-12 CA CA 2142367 patent/CA2142367A1/en not_active Abandoned
- 1993-01-12 WO PCT/US1993/000320 patent/WO1994004752A1/en not_active Application Discontinuation
- 1993-04-16 TW TW82102906A patent/TW283178B/zh active
- 1993-05-29 CN CN 93106423 patent/CN1082132A/zh active Pending
- 1993-05-31 AR AR32504893A patent/AR246992A1/es active
Also Published As
Publication number | Publication date |
---|---|
EP0658229A4 (en) | 1997-10-08 |
AU3472893A (en) | 1994-03-15 |
TW283178B (zh) | 1996-08-11 |
EP0658229A1 (en) | 1995-06-21 |
AU666168B2 (en) | 1996-02-01 |
AR246992A1 (es) | 1994-10-31 |
WO1994004752A1 (en) | 1994-03-03 |
CN1082132A (zh) | 1994-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |