DK535079A - WATER SOLUBLE PODECOPOLYMER PARTICLES PROCEDURE FOR PAPER PREPARATION AND PROCEDURE FOR PREPARING A LATEX OF PODECOPOLYMER PARTICLES - Google Patents
WATER SOLUBLE PODECOPOLYMER PARTICLES PROCEDURE FOR PAPER PREPARATION AND PROCEDURE FOR PREPARING A LATEX OF PODECOPOLYMER PARTICLESInfo
- Publication number
- DK535079A DK535079A DK535079A DK535079A DK535079A DK 535079 A DK535079 A DK 535079A DK 535079 A DK535079 A DK 535079A DK 535079 A DK535079 A DK 535079A DK 535079 A DK535079 A DK 535079A
- Authority
- DK
- Denmark
- Prior art keywords
- ammonium
- particles
- podecopolymer
- procedure
- weight
- Prior art date
Links
Landscapes
- Paper (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Water-insoluble graft copolymer particles are produced by graft copolymerizing, in an aqueous solution and in the presence of a free-radical polymerization initiator, 100 parts by weight of a monoethylenic unsaturated monomer, which is an ester of α-chloroacrylic acid or methacrylic acid, vinyl chloride, acrylo- or methacrylonitrile or, in particular, where appropriate, CH3- or Cl-substituted styrene, on 1-25 parts by weight of a water-soluble, cationic prepolymer which is a homo- or copolymer of an ammonium ethyl- or ammonium hydroxypropyl ester or a N-ammonium alkylamide of acrylic or methacrylic acid or a diallyl ammonium, vinylbenzyl ammonium or vinyl pyridinium compound. The prepolymer is present on the particle surface. The graft copolymer can be cross-linked or can contain cellulose-reactive groups. The graft copolymer particles are organic pigments which can be used as fillers for light-weight paper, to which they impart opacity, whiteness and smoothness without having any negative influence on the strength of the paper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK535079A DK160837C (en) | 1979-12-14 | 1979-12-14 | LATEX CONTAINING WATER-SOLUBLE PODE POLYMER PARTICLES, PROCEDURES FOR PREPARING THE SAME AND USING THE LATEX IN PAPER MAKING |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK535079 | 1979-12-14 | ||
DK535079A DK160837C (en) | 1979-12-14 | 1979-12-14 | LATEX CONTAINING WATER-SOLUBLE PODE POLYMER PARTICLES, PROCEDURES FOR PREPARING THE SAME AND USING THE LATEX IN PAPER MAKING |
Publications (3)
Publication Number | Publication Date |
---|---|
DK535079A true DK535079A (en) | 1981-06-15 |
DK160837B DK160837B (en) | 1991-04-22 |
DK160837C DK160837C (en) | 1991-10-07 |
Family
ID=8141733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK535079A DK160837C (en) | 1979-12-14 | 1979-12-14 | LATEX CONTAINING WATER-SOLUBLE PODE POLYMER PARTICLES, PROCEDURES FOR PREPARING THE SAME AND USING THE LATEX IN PAPER MAKING |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK160837C (en) |
-
1979
- 1979-12-14 DK DK535079A patent/DK160837C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK160837C (en) | 1991-10-07 |
DK160837B (en) | 1991-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |