IT1147614B - COMPOSITION AND PROCESSING PROCEDURE TO IMPROVE THE RESISTANCE TO WET TRACTION OF THE PAPER - Google Patents
COMPOSITION AND PROCESSING PROCEDURE TO IMPROVE THE RESISTANCE TO WET TRACTION OF THE PAPERInfo
- Publication number
- IT1147614B IT1147614B IT47794/82A IT4779482A IT1147614B IT 1147614 B IT1147614 B IT 1147614B IT 47794/82 A IT47794/82 A IT 47794/82A IT 4779482 A IT4779482 A IT 4779482A IT 1147614 B IT1147614 B IT 1147614B
- Authority
- IT
- Italy
- Prior art keywords
- paper
- resistance
- composition
- improve
- processing procedure
- Prior art date
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
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
- C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23732481A | 1981-02-23 | 1981-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8247794A0 IT8247794A0 (en) | 1982-02-15 |
IT1147614B true IT1147614B (en) | 1986-11-19 |
Family
ID=22893258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47794/82A IT1147614B (en) | 1981-02-23 | 1982-02-15 | COMPOSITION AND PROCESSING PROCEDURE TO IMPROVE THE RESISTANCE TO WET TRACTION OF THE PAPER |
Country Status (8)
Country | Link |
---|---|
CA (1) | CA1187659A (en) |
DE (1) | DE3205966A1 (en) |
ES (1) | ES8307841A1 (en) |
FI (1) | FI820446L (en) |
FR (1) | FR2500499A1 (en) |
GB (1) | GB2093491A (en) |
IT (1) | IT1147614B (en) |
SE (1) | SE8200472L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2353005A1 (en) * | 2000-08-01 | 2002-02-01 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Blocked urethane prepolymers as paper wet strength agent |
JP2003138497A (en) * | 2001-10-31 | 2003-05-14 | Dai Ichi Kogyo Seiyaku Co Ltd | Wet paper strength-reinforcing agent |
CN110982029B (en) * | 2019-11-21 | 2022-04-22 | 万华化学集团股份有限公司 | Waterborne polyurethane resin emulsion for waterborne space leather base and preparation method thereof, waterborne space leather base and preparation method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2400490C2 (en) * | 1974-01-05 | 1982-06-03 | Akzo Gmbh, 5600 Wuppertal | Cationic polyurethanes and processes for their manufacture |
DE2537653B2 (en) * | 1975-08-23 | 1977-10-27 | Bayer Ag, 5090 Leverkusen | PAPER SIZING AGENTS AND PROCESS FOR PAPER SIZING |
DE3015143A1 (en) * | 1979-04-30 | 1980-11-06 | Grace W R & Co | POLYURETHANE POLYMERS IN AQUEOUS MEDIUM AND METHOD FOR THE PRODUCTION THEREOF |
DE3102038A1 (en) * | 1980-01-28 | 1981-12-10 | W.R. Grace & Co., 02140 Cambridge, Mass. | POLYURETHANE POLYMER AMINE SALT AS A PAPER ADDITIVE |
-
1982
- 1982-01-28 SE SE8200472A patent/SE8200472L/en not_active Application Discontinuation
- 1982-02-03 GB GB8203026A patent/GB2093491A/en not_active Withdrawn
- 1982-02-11 FI FI820446A patent/FI820446L/en not_active Application Discontinuation
- 1982-02-15 IT IT47794/82A patent/IT1147614B/en active
- 1982-02-18 CA CA000396547A patent/CA1187659A/en not_active Expired
- 1982-02-19 DE DE19823205966 patent/DE3205966A1/en not_active Withdrawn
- 1982-02-22 ES ES509801A patent/ES8307841A1/en not_active Expired
- 1982-02-22 FR FR8202872A patent/FR2500499A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3205966A1 (en) | 1982-09-09 |
SE8200472L (en) | 1982-08-24 |
IT8247794A0 (en) | 1982-02-15 |
FR2500499A1 (en) | 1982-08-27 |
ES509801A0 (en) | 1983-08-01 |
GB2093491A (en) | 1982-09-02 |
CA1187659A (en) | 1985-05-28 |
ES8307841A1 (en) | 1983-08-01 |
FI820446L (en) | 1982-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT384840B (en) | WET PRESS | |
IT1185192B (en) | PROCEDURE FOR THE PREPARATION OF WASTE PAPER | |
IT8248904A0 (en) | DRYING FELT FOR PAPER MAKING | |
IT1128396B (en) | PAPER COATING PROCEDURE | |
IT1147614B (en) | COMPOSITION AND PROCESSING PROCEDURE TO IMPROVE THE RESISTANCE TO WET TRACTION OF THE PAPER | |
IT1195747B (en) | FELTS FOR THE MANUFACTURE OF PAPER | |
IT1206040B (en) | ELASTIC FELT TO DEHYDRATE PAPER TAPES IN PAPER MANUFACTURE | |
BE891713A (en) | MOISTURE REDUCTION | |
DK497585A (en) | DRYER | |
DK620386D0 (en) | SHEET CLOTHING | |
DK59585A (en) | DRYER | |
DK432384A (en) | ROLLER | |
AT389535B (en) | WET PRESS | |
IT1153327B (en) | PROCEDURE AND DEVICE RELATING TO SURFACE LINKING OF PAPER, AND PAPER MANUFACTURED THROUGH THE PROCEDURE AND / OR DEVICE | |
FI840442A0 (en) | FOERFARANDE OCH PRESS FOER BOEJNING AV PROFILERAD TUNNPLAOT | |
ATA191684A (en) | SPEED SENSOR | |
KR860003469U (en) | Smear towel | |
IT1183489B (en) | WET ASH ELIMINATOR | |
KR860003475U (en) | Toilet paper hanger | |
ATA11087A (en) | WET PRESS | |
KR860003423U (en) | Chopsticks | |
KR860003468U (en) | Smear towel | |
RO94060A3 (en) | PNEUMATIC APPLIANCE TO MEASURE SURFACE RUGOSITY | |
IT1187476B (en) | WET POLLINA COMBUSTION PLANT | |
KR860000381U (en) | Roller brush |