JPS57163388A - Production of aminoalkylphosphonic acid derivative - Google Patents
Production of aminoalkylphosphonic acid derivativeInfo
- Publication number
- JPS57163388A JPS57163388A JP56048905A JP4890581A JPS57163388A JP S57163388 A JPS57163388 A JP S57163388A JP 56048905 A JP56048905 A JP 56048905A JP 4890581 A JP4890581 A JP 4890581A JP S57163388 A JPS57163388 A JP S57163388A
- Authority
- JP
- Japan
- Prior art keywords
- product
- produce
- formaldehyde
- react
- reaction
- 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
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: A reaction product from an amine containing an alcoholic hydroxyl and formaldehyde is dehydrated and made to react with dialkyl phosphite to produce the titled compound of low acid value, which is used to produce good- quality flame-retardant polyurethane.
CONSTITUTION: The reaction between an amine of formulaI(R1WR3 are difunctional organic group bearing no active hydrogens; m is 0W10) and formaldehyde, preferably at a molar ratio of 1:1 at 30W120°C for 5W180min. Then, the resultant adduct is subjected to dehydration reaction under reduced pressure of about 400W2mmHg at 30W120°C for 15W600min. The dehydration product is made to react with a dialkyl phosphite of formula II (R'2 is 1W18C hydrocarbon) at 10W 120°C for 5W300min to give the titled compound. The resultant product has an extremely lowered acid value and resists hydrolysis, thus being used to produce high-quality flame-retardant polyurethane.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048905A JPS57163388A (en) | 1981-04-01 | 1981-04-01 | Production of aminoalkylphosphonic acid derivative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048905A JPS57163388A (en) | 1981-04-01 | 1981-04-01 | Production of aminoalkylphosphonic acid derivative |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1113245A Division JPH0249028A (en) | 1989-05-02 | 1989-05-02 | Production of polyurethane substance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57163388A true JPS57163388A (en) | 1982-10-07 |
| JPH0148276B2 JPH0148276B2 (en) | 1989-10-18 |
Family
ID=12816275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56048905A Granted JPS57163388A (en) | 1981-04-01 | 1981-04-01 | Production of aminoalkylphosphonic acid derivative |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57163388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108864184A (en) * | 2018-06-09 | 2018-11-23 | 河北晟凯新材料科技有限公司 | A kind of synthesis N, N- bis-（2- ethoxy）The method of aminomethyl phosphonic acid diethylester |
| CN111004364A (en) * | 2019-12-23 | 2020-04-14 | 南京晨化新材料科技有限公司 | Preparation method of reactive halogen-free nitrogen-phosphorus flame retardant |
-
1981
- 1981-04-01 JP JP56048905A patent/JPS57163388A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108864184A (en) * | 2018-06-09 | 2018-11-23 | 河北晟凯新材料科技有限公司 | A kind of synthesis N, N- bis-（2- ethoxy）The method of aminomethyl phosphonic acid diethylester |
| CN111004364A (en) * | 2019-12-23 | 2020-04-14 | 南京晨化新材料科技有限公司 | Preparation method of reactive halogen-free nitrogen-phosphorus flame retardant |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0148276B2 (en) | 1989-10-18 |
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