JPS5767601A - Quaternary compound of carbamoylalkyl starch mannich derivative, its preparation and use - Google Patents
Quaternary compound of carbamoylalkyl starch mannich derivative, its preparation and useInfo
- Publication number
- JPS5767601A JPS5767601A JP14201880A JP14201880A JPS5767601A JP S5767601 A JPS5767601 A JP S5767601A JP 14201880 A JP14201880 A JP 14201880A JP 14201880 A JP14201880 A JP 14201880A JP S5767601 A JPS5767601 A JP S5767601A
- Authority
- JP
- Japan
- Prior art keywords
- paper making
- derivative
- starch
- quaternizing
- raw material
- 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.)
- Granted
Links
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
Abstract
PURPOSE: To obtain the titled compound useful as an additive for paper making, having improved shelf stability, suitable for high-speed paper making, etc., having no troubles in waste water treatment, by quaternizing a carbamoyl lower alkyl starch Mannich derivative with a quaternizing agent under specific conditions.
CONSTITUTION: A carbamoyl lower alkyl starch Mannich derivative is adjusted to a pH of about 6W8 in the presence of a water-soluble inorganic ammonium salt (e.g., ammonium chloride, etc.) in an aqueous medium by adding an inorganic acid (e.g., phosphoric acid, etc.) to the derivative, and quaternized by adding an quaternizing agent (e.g.m dimethyl sulfate, etc.) and a lower alcohol (e.g., methanol, etc.) simultaneously, or adding the lower alcohol immediately after the addition of the quatenarizing agent, to give the desired compound having a molecular weight corresponding to a reduced viscosity of about 0.1W2.5. About 0.1W5pts.wt. of this compound based on dried pulp weight of raw material for paper making is blended with the raw material pulp in any arbitrary process before being fed to the paper making machine, and the blend is subjected to paper making in a pH of about 6W10.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201880A JPS5767601A (en) | 1980-10-13 | 1980-10-13 | Quaternary compound of carbamoylalkyl starch mannich derivative, its preparation and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14201880A JPS5767601A (en) | 1980-10-13 | 1980-10-13 | Quaternary compound of carbamoylalkyl starch mannich derivative, its preparation and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5767601A true JPS5767601A (en) | 1982-04-24 |
| JPH0124161B2 JPH0124161B2 (en) | 1989-05-10 |
Family
ID=15305451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14201880A Granted JPS5767601A (en) | 1980-10-13 | 1980-10-13 | Quaternary compound of carbamoylalkyl starch mannich derivative, its preparation and use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5767601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0458306U (en) * | 1990-09-27 | 1992-05-19 |
-
1980
- 1980-10-13 JP JP14201880A patent/JPS5767601A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0458306U (en) * | 1990-09-27 | 1992-05-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0124161B2 (en) | 1989-05-10 |
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