GLYCEROL ETHOXYLATE
GLYCEROL ETHOXYLATE
CAS: 31694-55-0
Molecular Formula: HO(CH2CH2O)nCH[CH2(OCH2CH2)nOH]2
GLYCEROL ETHOXYLATE - Names and Identifiers
GLYCEROL ETHOXYLATE - Physico-chemical Properties
| Molecular Formula | HO(CH2CH2O)nCH[CH2(OCH2CH2)nOH]2 |
| Density | 1.138g/mLat 25°C(lit.) |
| Boling Point | >200°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | 1000g/L at 20℃ |
| Solubility | H2O: soluble |
| Vapor Presure | 0.004Pa at 20℃ |
| PH | 6-8 (100g/l, H2O, 20℃) |
| Storage Condition | no restrictions. |
| Refractive Index | n20/D 1.473(lit.) |
| Physical and Chemical Properties | Non ionic, colorless to light yellow viscous liquid. Soluble in water and ethanol, insoluble in oils, and soluble with cationic, anionic, and non ionic surfactants. Acid, alkali, and hard water resistant. Non toxic, odorless, and non corrosive. It has good emulsifying and dispersing properties, as well as certain defoaming properties. |
| Use | This product is commonly used as an emulsifier and dispersant in industry, and as a leveling agent in the textile printing and dyeing industry. |
GLYCEROL ETHOXYLATE - Risk and Safety
| WGK Germany | 1 |
| HS Code | 3907 20 20 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
GLYCEROL ETHOXYLATE - Study on polymerization kinetics of propylene oxide-glycerol Polyether
from hownet
Author:
pan normal law , Zhang Gang , Hu Huiming
Abstract:
The kinetics of propylene oxide-glycerol Polyether polymerization with glycerol propylene oxide oligomer as initiator was studied. The effects of propylene oxide concentration and catalyst concentration on the reaction rate were also studied, and the reaction rate equation was established.
Key words:
kinetics propylene oxide Polyether
DOI:
CNKI:SUN:HXGY.0.1992-02-008
cited:
year:
1992
Last Update：2024-01-02 23:10:35
GLYCEROL ETHOXYLATE - Synthesis of glycerol Polyether
from Baidu Library
Application (patent) number:
CN200610154861.0
application date:
November 28, 2006
Public/Announcement Number:
CN100999574
applicant (patent):
Wang Weisong
inventor:
Wang Weisong , Wang Xinrong , Meng Shiping , Ma dinglian , Luo Qing
National and provincial code:
Zhejiang
cited:
Abstract:
A method for synthesizing glycerol Polyether, which belongs to the technical field of Polyether synthesis, and uses a multi-metal cyanide (MMC) containing metal ions such as Co,Zn and Pb as a catalyst, glycerol oligomer is used as initiator, and propylene oxide or a mixture of propylene oxide and ethylene oxide or butylene oxide is used as chain extender to prepare glycerol Polyether at 90~160 ℃; preparation of glycerol oligomers with KOH or NaOH,CH3ONa catalyst, from the polymerization of glycerol and propylene oxide or propylene oxide and ethylene oxide or butylene oxide mixture, the molecular weight of 300~1000. The present invention adopts multi-metal cyanide (MMC) containing metal ions such as Co,Zn, and Pb as a catalyst when increasing the molecular weight and reducing the degree of unsaturation, and the process is reasonable and has high reactivity, the prepared glycerol Polyether has the characteristics of low unsaturation and short reaction period. The molecular weight of the prepared glycerol Polyether can reach 25000 and the unsaturation is below 0.03.
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sovereignty:
1. A method for synthesizing glycerol Polyether, characterized by containing Co,Zn, pb and other metal ions of multi metal cyanide (MMC) as the catalyst, glycerol oligomer as the starting agent , propylene oxide or a mixture of propylene oxide and ethylene oxide or butylene oxide is a chain extender, and a glycerol Polyether is obtained by reacting at a temperature of from 90 to 160 ° C. .
Last Update：2023-08-16 22:09:08
GLYCEROL ETHOXYLATE - Glycerol Polyether ester for special emulsifier for pesticide and preparation method thereof
from Palm Bridge research
Application (patent) number:
CN201910795934.1
application date:
2019-08-27
Public/Announcement Number:
CN110591061A
Public/announcement date:
2019.12.20
applicant (patent):
will (Fujian) biological Co., Ltd.
inventor:
Wu Zhongfang , Huang Jifu , Ni Sumei , yellow hair
National and provincial code:
CN350122
Abstract:
The invention discloses a glycerol Polyether ester for a special emulsifier for pesticides and a preparation method thereof, belonging to the field of pesticide preparation processing. The preparation method comprises the following steps: a, glycerol and ethylene oxide (EO) and propylene oxide (PO) are used as raw materials to polymerize glycerol Polyether at a certain temperature and catalyst 1; B, using the glycerol Polyether and polybasic acid or anhydride as raw materials, under the action of catalyst 2, water-carrying agent 1 esterification dehydration and high temperature nitrogen purging for intermolecular dehydration; c, according to the HLB value of the oil base, a certain amount of fatty alcohol/aromatic alcohol can be selectively added to the end of the esterification, and the water carrying agent 1 can be removed in vacuum to prepare a special glycerol Polyether ester. The esterification reaction between polybasic acid and glycerol Polyether is carried out. The special glycerol Polyether Ester has a large molecular weight, and its special network structure is beneficial to its dispersion and support in agricultural preparations. It was used for the preparation of oil suspension preparation, and it was found that the prepared preparation had good emulsifying and dispersing properties, and was not easy to build up.
Last Update：2023-08-16 22:09:08
GLYCEROL ETHOXYLATE - Preparation method
Open Data Verified Data
Prepared by the addition polymerization reaction of glycerol and ethylene oxide.
Last Update：2023-10-18 07:34:33
GLYCEROL ETHOXYLATE - safety
Open Data Verified Data
Storage and transportation of general chemicals. Store in a dry and ventilated place.
Last Update：2023-10-18 07:35:02
GLYCEROL ETHOXYLATE - Reference Information
| pH indicator color change ph range | 5.5 - 7.5 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used in textile printing and dyeing auxiliaries, emulsifiers, dispersants |
| spontaneous combustion temperature | 390°C |
Last Update：2024-04-09 21:04:16
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