Blowing agent comprising primary amine salt and ethanolamine salt and use for polyurethane intermittent board foam material

A technology of ethanolamine salt and foaming agent, which is applied in the field of polyurethane foaming agent, and can solve problems such as uneven cell size, affecting the strength and thermal insulation properties of foamed materials, and uneven cell distribution.
CN109422897BActive Publication Date: 2021-03-12SHANDONG UNIV OF TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG UNIV OF TECH
Publication Date
2021-03-12

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Abstract

Disclosed is a kind of polyurethane blowing agent comprising primary amine salt and ethanolamine salt, and this blowing agent comprises: 1) comprises the first compound mixture (M1) of the organic primary amine salt compound class with following general formula (I): A ‑ [B + ] p (I), where B + is the cation of a +1-valent organic primary amine B, A ‑ Yes: CO 3 2‑ , HCO 3 ‑ , or CO 3 2‑ with HCO 3 ‑ 2) a second compound comprising N-monohydroxyethyl-ammonium carbonate compound of general formula (II) and N,N'-di(hydroxyethyl)-ammonium carbonate compound of general formula (II) A compound mixture (M2): (RN + h 3 )(N + h 4 )CO 3 2‑ (II), or (RN + h 3 ) 2 CO 3 2‑ (III), in the formula, R is hydroxyethyl; the molar ratio of the compound of general formula (II) to the compound of general formula (III) is 1:0 to 1:2.5. Blowing agents are suitable for use in the preparation of polyurethane intermittent board foam materials.
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Description

technical field

[0001] The present invention relates to organic primary amine salt compounds having an anion as a CO2 donor, a process for their preparation and use as a blowing agent, and more particularly to providing organic primary amines having not only an anion as a CO2 donor but also a primary organic amine 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 polyurethane intermittent board foam material. The present invention relates to polyurethane blowing agents comprising primary amine salts and ethanolamine salts and their use for (preparing) polyurethane intermittent board foam materials

[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 ...

Claims

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