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Blowing agent comprising polyamine salt and propanolamine salt and use for polyurethane refrigerator freezer foam material

A technology of propanolamine salt and foaming agent, which is applied in the preparation method and in the field of preparing polyurethane refrigerator freezer foam materials, can solve the problem of uneven cell size, affecting the strength performance and thermal insulation properties of foam materials, and cell distribution Uneven etc.

Active Publication Date: 2021-03-12
BUTIAN NEW MATERIAL TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In short, the foaming agent in the prior art cannot be dispersed into the foaming composition at the molecular level, resulting in uneven distribution of cells and uneven cell size, which ultimately affects the strength performance and thermal insulation of the foamed material nature

Method used

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  • Blowing agent comprising polyamine salt and propanolamine salt and use for polyurethane refrigerator freezer foam material

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0070] Add 3kg of 40% ethylenediamine aqueous solution (molecular weight 60) into a transparent quartz glass reactor, stir to dissolve, seal the reactor, then, under constant stirring, control the temperature between 40-65°C, and pass carbon dioxide into In the reactor, control the pressure not to be higher than 0.3MPa, control the temperature and react for 10 hours, release the pressure and release the product after the temperature is lowered to below 40°C. Compound 1 was obtained. pH≥7.5, decomposition temperature is 42°C-70°C.

preparation example 2

[0072] The 50% diethylenetriamine aqueous solution (molecular weight 103) of 3kg is joined in the transparent quartz glass reactor, stirs to dissolve, seals the reactor, then under constant stirring, controls the temperature between 40-65 ℃, will Pass carbon dioxide into the reactor, control the pressure not to be higher than 0.3 MPa, and control the temperature for 10 hours to react. After cooling down to below 40°C, release the pressure and release the product. Compound 2 was obtained. pH≥7.5, decomposition temperature is 42°C-70°C.

preparation example 3

[0074] Add 3kg of triethylenetetramine (molecular weight 146) and 1.8kg of water into a transparent quartz glass reactor, stir to dissolve, seal the reactor, and then control the temperature between 40-65°C under constant stirring, Pass carbon dioxide into the reactor, control the pressure not higher than 0.3MPa, control the temperature and react for 10 hours, release the pressure and release the product after cooling down to below 40°C. Compound 3 was obtained. pH≥7.5, decomposition temperature is 42°C-70°C.

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Abstract

The invention discloses a foaming agent comprising a polyamine salt and a propanolamine salt and use for a polyurethane refrigerator foam material. The foaming agent comprises: 1) a first compound mixture (M1) comprising an organic polyamine salt compound of a following general formula (I): A<->B<+> (I), wherein B<+> is a cation of an organic polyamine B, and A<-> is CO<3><2->, HCO<3><->, or a combination of CO<3><2-> and HCO<3><->; and 2) a second compound mixture (M2) containing a N-monohydroxypropyl-ammonium carbonate compound of a general formula (II) and an N,N'-di(hydroxypropyl)-ammoniumcarbonate compound of a general formula (III): (RN<+>H<3>)(N<+>H<4>)CO<3><2-> (II), or (RN<+>H<3>)<2>CO<3><2-> (III), wherein R is hydroxypropyl, and the molar ratio of the compound of the general formula (II) to the compound of the general formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for preparation of a polyurethane refrigerator foam material.

Description

technical field [0001] The present invention relates to an organic polyamine salt compound having an anion as a CO2 donor, a process for its preparation and its use as a blowing agent, more specifically, providing an organic polyamine having not only an anion as a CO2 donor but also an organic polyamine as a catalytic group A novel organic ammonium salt compound with a solubilizing group, a preparation method thereof, and an application in the preparation of a foam material for a polyurethane refrigerator freezer. The present invention relates to polyurethane foaming agent comprising polyamine salt and propanolamine salt and its use for (preparing) polyurethane refrigerator freezer foam material [0002] technical background [0003] As a new polymer material, polyurethane rigid foam is light in weight, high in strength and has extremely low thermal conductivity. Automobiles, refrigerators and freezers and other household appliances and other industries. The most important ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J9/08C08J9/14C08G18/76C08G18/66C08G18/48C08G18/42C08G18/32C08G18/18C08G101/00
CPCC08G18/18C08G18/3271C08G18/3275C08G18/4018C08G18/6655C08G18/6688C08G18/7671C08J9/08C08J9/144C08J2203/142C08J2203/204C08J2375/06C08J2375/08C08G2110/0025C08G2110/005
Inventor 毕戈华毕玉遂
Owner BUTIAN NEW MATERIAL TECH CO LTD
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