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65results about How to "Excellent foaming effect" patented technology

Formic acid organic amine salt compound and application thereof as foaming agent

The invention discloses a formic acid organic amine salt compound with the following general formula (I) A<n->[B<m+>]p. In the formula (I), A<n-> is formate; B<m+> is or comprises ammonium ion and / or organic amine B positive ion; m=1-10; 0<p<=n / m; the formula (I) compound has at least one hydroxyalkyl connected with an N atom, that is to say, has an alcohol amine residue. The compound can be a polyurethane foaming agent or polystyrene foaming agent or polyvinyl chloride foaming agent.
Owner:BUTIAN NEW MATERIAL TECH CO LTD

Lithium ion battery silicon doped carbon porous composite film and preparation method thereof

The invention discloses a lithium ion battery silicon doped carbon porous composite film and a preparation method thereof. The preparation method comprises the following steps: firstly, oxidizing monatomic silicon, modifying the oxidized monatomic silicon through organo-siloxane so as to obtain modified monatomic silicon, preparing a silicon doped carbon composite film through a mixed solution prepared from the organo-siloxane modified monatomic silicon, a carbon-based polymer, a foaming pore forming agent and an organic solvent, and by taking hydrocarbon as a carbon source and an inert gas asa carrier gas, depositing a carbon nano material on the silicon doped carbon composite film by using a chemical vapor deposition method, and performing a method of sublimation pore forming with a foaming agent, thereby obtaining the lithium ion battery silicon doped carbon porous composite film. When the lithium ion battery silicon doped carbon porous composite film is used as a lithium ion battery cathode material, the primary lithium insertion capacity of the material is up to 1027.6mAh / g, the primary lithium removal capacity of the material is 997mAh / g, the coulombic efficiency of the material is 97.02%, the coulombic efficiency of the material is 91.31% after 100 times of circulation, and excellent charge and discharge properties are achieved.
Owner:SOUTH CHINA UNIV OF TECH

Hydrazino-alcohol amine salts compound and preparation method and application thereof

The invention relates to a hydrazino-alcohol amine salt compound with a general formula (I) as shown in the specification. In an An-[Bm+] p(I) formula, An- is a negative ion which is used as a CO2 donor and has -n valent, wherein n=1, 2 or 3, Bm+ is or comprises an ammonium ion, a hydrazine ion and / or an organic amine B positive ion, m= 1-10, p is greater than 0 and smaller than or equal to n / m, and An- is selected from one or more of the following negative ions: (a) amino formate or hydrazino-formate, (b) carbonate, (c) formate, (d) bicarbonate, (e) organic single carbonate, (f) organic polyamino formate, (g) original formate, or (h) organic polycarbonate, and at least one of An- and Bm+ comprises hydrazine and / or comprises hydrazino or substituted hydrazino. The compound in the general formula (I) is provided with at least one hydroxyalkyl which is connected with an N atom, namely, the compound is provided with alkylol amine residue. The hydrazino-alcohol amine salt compound can be used as a polyurethane foaming agent, and most of foaming agents can be used as a polystyrene foaming agent or a polyvinyl chloride foaming agent.
Owner:SHANDONG UNIV OF TECH +1

Organic alcohol amine salt compound and application thereof serving as foaming agent

The invention discloses an organic alcohol amine salt compound with a general formula (I) of A<n>[B<m+>]p. In the formula (I), A<n> is a negative ion which serves as a CO2 donor and has -n valence, and n is equal to 1, 2 or 3; B<m+> is or includes ammonium ion, hydrazine ion and / or organic amine B positive ion; m is equal to 1 to 10; p is greater than 0 and less than or equal to n / m; the A<n> is selected from one or more of the following negative ions: (a) carbamate or hydrazino-formate; (b) carbonate; (c) formate; (d) bicarbonate radical; (e) organic monocarbonate; (f) organic polycarbamate; (g) original formate; or (h) organic polycarbonate. The compound with the general formula (I) contains 25-95 wt% of salt of alcohol monamine and salt of alcohol diamine. The compounds can serve as polyurethane foaming agents, and most of the foaming agents can serve as polystyrene foaming agents or polyvinyl chloride foaming agents.
Owner:SHANDONG UNIV OF TECH +1

Foaming agent comprising polyamine and alcohol amine salt and use in polyurethane continuous sheet foam material

The invention discloses a foaming agent comprising a polyamine and an alcohol amine salt and use in a polyurethane continuous sheet foam material. The foaming agent is a polyurethane foaming agent comprising a polyamine salt and an alcohol amine salt. The foaming agent comprises: 1) a first compound mixture (M1) comprising organopolyamine salt compounds 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 N-monohydroxypropyl / monohydroxyethyl-ammonium carbonate compounds having a general formula (II) and N,N'-di(hydroxypropyl / hydroxyethyl)-ammonium carbonate compounds having 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 a combination of hydroxypropyl and hydroxyethyl, and the molar ratio of the monoolamine compound of the formula (II) to the diolaminecompound of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for use in preparation of the polyurethane continuous sheet foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Polyurethane foaming method by combining and using carbon dioxide and organic amine

The invention discloses a polyurethane foaming method by combining and using carbon dioxide and organic amine. The method comprises the following step of mixing a polyurethane foaming composition witha polyisocyanate monomer and / or isocyanate-terminated prepolymer for foraming, wherein before mixing, carbon dioxide is added to the polyurethane foaming composition, or added into the polyisocyanatemonomer and / or isocyanate-terminated prepolymer, or simultaneously added into the polyurethane foaming composition and the polyisocyanate monomer and / or isocyanate-terminated prepolymer, and the carbon dioxide is gas carbon dioxide, liquid carbon dioxide, subcritical carbon dioxide and / or supercritical carbon dioxide.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Foaming agent containing orthoformic acid alcohol amine salt and carbonic acid alcohol amine salt and application to polyurethane continuous board foam material

The invention discloses a foaming agent containing an orthoformic acid alcohol amine salt and a carbonic acid alcohol amine salt and application to a polyurethane continuous board foam material. The foaming agent comprises: 1) a first compound mixture (M1) comprising an orthoformic acid alcohol amine salt compound having a following general formula (I): A<->[B<+>] (I), wherein B<+> is a cationof an organic alcohol amine B, and A<-> is orthoformate radical; and 2) a second compound mixture (M2) containing an N-monohydroxypropyl / hydroxyethyl-ammonium carbonate compound having a general formula (II) and an N,N'-di(hydroxypropyl / hydroxyethyl)-ammonium carbonate 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 a combination of hydroxypropyl and hydroxyethyl, and the molar ratio of the monoolamine compound of the general formula (II) and the diolamine compound of the general formula (III) is from 1:0 to 1:2.5. The foaming agent is applicable to preparation of a polyurethane continuous board foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Foaming agent containing secondary amine salts and propanol amine salts and application for foam material of polyurethane refrigerators and freezers

The invention discloses a foaming agent containing secondary amine salts and propanol amine salts and an application for a foam material of polyurethane refrigerators and freezers, and discloses a polyurethane foaming agent containing the secondary amine salts and propanol amine salts. The foaming agent comprises the following components: 1) a first compound mixture (M1) containing organic secondary amine salt compounds having a general formula (I) which is A<->[B<+>]p, wherein the B<+> is a cation of organic secondary amine B with +1 valence and the A<-> is CO<3><2->, HCO<3><-> or a combination of the CO<3><2-> and HCO<3><->; and 2) a second compound mixture (M2) containing N-monohydroxypropyl-ammonium carbonate compounds having a general formula (II) which is (RN<+>H3)(N<+>H4)CO<3><2-> and N,N'-bis(hydroxypropyl)-ammonium carbonate compounds having a general formula (III) which is (RN<+>H3)2CO<3><2->, wherein the R is a hydroxypropyl group, and a molar ratio of the compounds of the formula (II) to the compounds of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for the preparation of a foam material of polyurethane refrigerators and freezers.
Owner:SHANDONG UNIV OF TECH +1

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

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.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Polyamine ethanolamine alkaline foaming agent and use for preparing polyurethane solar foam material

ActiveCN109422914AImprove performanceImprove foaming activityAmmonium carbonatePolyamine
The invention discloses a polyurethane alkaline foaming agent comprising a polyamine salt and an ethanolamine salt, and the alkaline foaming agent has a pH value of between 8.5 and 9.5. The foaming agent comprises: 1) a first compound mixture (M1) having 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) comprising an N-monohydroxyethyl-ammonium carbonate compound of a general formula (II) andan N,N'-di(hydroxyethyl)-ammonium carbonate 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 hydroxyethyl, and the molar ratioof the compound of the general formula (II) to the compound of the general formula (III) is from 1:0 to 1:1.0. The foaming agent is suitable for preparation of a polyurethane solar foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Foaming agent containing orthoformic acid alcohol amine salt and propanolamine salt and application to preparation of polyurethane refrigerator foam material

ActiveCN109422911AImprove performanceGuaranteed uniformityAlcoholOrthoformic acid
The invention discloses a polyurethane alkaline foaming agent containing an orthoformic acid alcohol amine salt and a propanolamine salt. The foaming agent comprises: 1) a first compound mixture (M1)comprising orthoformic acid alcohol amine compounds of a following general formula (I): A<->B<+> (I), wherein B<+> is a cation of an organic alcohol amine B, and A<-> is orthoformate; and 2) a secondcompound mixture (M2) comprising a N-monohydroxypropyl-ammonium carbonate compound of a general formula (II) and an N,N'-di(hydroxypropyl)-ammonium carbonate 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 from 1:0 to 1:2.5. The foaming agent is suitable for use in preparation of a polyurethane refrigerator foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Alkaline foaming agent containing polyamine and alcohol amine and use for preparing polyurethane spray foam material

ActiveCN109422912AImprove performanceImprove foaming activityAlcoholFoaming agent
The invention discloses an alkaline foaming agent containing a polyamine salt and a propanolamine salt. The alkaline foaming agent has a pH value of between 8.5 and 9.5, and the foaming agent comprises: 1) a first compound mixture (M1) comprising organic polyamine salt compounds 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) comprising an N-monohydroxypropyl-ammonium carbonate compound of a general formula (II) and an N,N'-di(hydroxypropyl)-ammonium carbonate 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 from 1:0 to 1:1.0. The foaming agent is suitable for use in the preparation of a polyurethane spray foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Orthoformic acid organic amine salt compound and application thereof as foaming agent

ActiveCN107089921AAppropriate decomposition temperatureImprove performanceOrganic compound preparationAmino-hyroxy compound preparationCompound aOrthoformic acid
The invention discloses an orthoformic acid organic amine salt compound A<n->[B<m+>]p with the following general formula (I). In the formula (I), A<n-> is an orthoformic radical, B<m+> is or includes an ammonium ion and / or an organic amine B positive ion, m is 1-10, p is larger than 0 and smaller than or equal to n / m. The compound with the general formula (I) has at least one hydroxyalkyl group connected with an N atom, that is, the compound has alcohol amine residue. The compound can be used as a polyurethane foaming agent or a polystyrene foaming agent or a polyvinyl chloride foaming agent.
Owner:新泰补天新材料技术有限公司

Foaming agent comprising secondary amine salt and ethanolamine salt and application to polyurethane intermittent plate foam material

The invention discloses a polyurethane foaming agent comprising a secondary amine salt and an ethanolamine salt. The foaming agent comprises: 1) a first compound mixture (M1) containing an organic secondary amine salt compound with a following general formula (I): A<->[B<+>] (I), wherein B<+> is a positive mono-valent cation of an organic secondary amine B, A<-> is CO<3><2->, HCO<3><->, or a combination of CO<3><2-> and HCO<3><->; 2) a second compound mixture (M2) containing a N-monohydroxyethyl-ammonium carbonate compound of a general formula (II) and N,N'-di(hydroxyethyl)-ammonium carbonate compound of a general formula (II): (RN<+>H<3>) (N<+>H<4>)CO<3><2-> (II), or (RN<+>H<3>)<2>CO<3><2-> (III), wherein R is hydroxyethyl, and the molar ratio of the compound of the formula (II) to thecompound of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for application to preparation of a polyurethane intermittent plate foam material.
Owner:SHANDONG UNIV OF TECH +1

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

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.
Owner:SHANDONG UNIV OF TECH +1

A silicon-doped carbon porous composite film for lithium ion battery and preparation method thereof

The invention discloses a silicon-doped carbon porous composite film for a lithium-ion battery and a preparation method thereof. In the preparation method, elemental silicon is first oxidized, and the oxidized elemental silicon is modified by organosiloxane to obtain modified elemental silicon. Silicon-doped carbon composite film is prepared from a mixed solution made of organosiloxane-modified elemental silicon, carbon-based polymer, foaming pore-forming agent and organic solvent, and then hydrocarbons are used as carbon source and inert gas As a carrier gas, the silicon-doped carbon porous composite film is prepared by combining the method of depositing carbon nanomaterials on the silicon-doped carbon composite film by chemical vapor deposition and sublimating the foaming agent to form holes. When the present invention is used as a lithium-ion battery negative electrode material, its first lithium intercalation capacity is 1027.6mAh / g, its first delithiation capacity is 997mAh / g, and its Coulombic efficiency is 97.02%. After 100 cycles, its Coulombic efficiency is 91.31%, showing that Excellent charge and discharge performance.
Owner:SOUTH CHINA UNIV OF TECH

Alkaline foaming agent containing orthoformic acid alcohol amine salt and carbonic acid alcohol amine salt and application to preparation of polyurethane spray foam material

ActiveCN109422909AImprove performanceIdeal distribution densityAlcoholOrthoformic acid
The invention discloses a polyurethane alkaline foaming agent containing an orthoformic acid alcohol amine salt and a carbonic acid propanolamine salt. The alkaline foaming agent has a pH value of between 8.5 and 9.5, and the foaming agent comprises: 1) a first compound mixture (M1) comprising orthoformic acid alcohol amine compounds of a following general formula (I): A<->B<+> (I), wherein B<+> is a cation of an organic alcohol amine B, and A<-> is orthoformate; and 2) a second compound mixture (M2) comprising a N-monohydroxypropyl-ammonium carbonate compound of a general formula (II) and anN,N'-di(hydroxypropyl)-ammonium carbonate 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 ofthe compound of the general formula (II) to the compound of the general formula (III) is from 1:0 to 1:1.0. The foaming agent is suitable for use in preparation of a polyurethane spray foam material.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Blowing agents comprising alcohol amine salts and their use in polyurethane continuous board foam materials

Blowing agents comprising alcohol amine salts and their use in polyurethane continuous board foam materials. A polyurethane foaming agent comprising primary amine salts and alcohol amine salts is disclosed, the foaming agent comprising: 1) a first compound mixture (M1) comprising organic primary amine salt compounds having the 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) comprising N-monohydroxypropyl / monohydroxyethyl-ammonium carbonate compound with general formula (II) and N,N'-bis(hydroxypropyl / hydroxyethyl) with general formula (II) base)-ammonium carbonate compound of the second 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 the combination of hydroxypropyl and hydroxyethyl; the molar ratio of the monoalcohol amine compound of the general formula (II) and the diol amine compound of the general formula (III) is 1:0 to 1 :2.5. Blowing agents are suitable for use in the preparation of polyurethane continuous board foam materials.
Owner:SHANDONG UNIV OF TECH +1

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

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.
Owner:BUTIAN NEW MATERIAL TECH CO LTD +1

Foaming agent containing alcohol amine salts and application for foam material of polyurethane continuous slabs

The invention discloses a foaming agent containing alcohol amine salts and an application for a foam material of polyurethane continuous slabs, and discloses the polyurethane foaming agent containingthe primary amine salts and alcohol amine salts. The foaming agent comprises the following components: 1) a first compound mixture (M1) containing organic primary amine salt compounds having a generalformula (I) which is A<->[B<+>]p, wherein the B<+> is a cation of organic primary amine B with +1 valence and the A<-> is CO<3><2->, HCO<3><-> or a combination of the CO<3><2-> and HCO<3><->; and 2)a second compound mixture (M2) containing N-monohydroxypropyl / monohydroxyethyl-ammonium carbonate compounds having a general formula (II) which is (RN<+>H3)(N<+>H4)CO<3><2-> and N,N'-bis(hydroxypropyl / hydroxyethyl)-ammonium carbonate compounds having a general formula (III) which is (RN<+>H3)2CO<3><2->, wherein the R is a combination of a hydroxypropyl group and a hydroxyethyl group, and a molar ratio of the monoalcoholic amine compounds of the formula (II) to the diol amine compounds of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for the preparation of a foam material ofpolyurethane continuous slabs.
Owner:SHANDONG UNIV OF TECH +1

Foaming agent containing primary amine salts and ethanolamine salts and application for foam material of polyurethane intermittent slabs

The invention discloses a polyurethane foaming agent containing primary amine salts and ethanolamine salts. The foaming agent comprises the following components: 1) a first compound mixture (M1) containing organic primary amine salt compounds having a general formula (I) which is A<->[B<+>]p, wherein the B<+> is a cation of organic primary amine B with +1 valence and the A<-> is CO<3><2->, HCO<3><-> or a combination of the CO<3><2-> and HCO<3><->; and 2) a second compound mixture (M2) containing N-monohydroxyethyl-ammonium carbonate compounds having a general formula (II) which is (RN<+>H3)(N<+>H4)CO<3><2-> and N,N'-bis(hydroxyethyl)-ammonium carbonate compounds having a general formula (III) which is (RN<+>H3)2CO<3><2->, wherein the R is a hydroxyethyl group, and a molar ratio of the compounds of the formula (II) to the compounds of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for the preparation of a foam material of polyurethane intermittent slabs.
Owner:SHANDONG UNIV OF TECH +1

Foaming agent containing tertiary amine salts and ethanolamine salts and application for foam material of polyurethane intermittent slabs

The invention discloses a polyurethane foaming agent containing tertiary amine salts and ethanolamine salts. The foaming agent comprises the following components: 1) a first compound mixture (M1) containing organic tertiary amine salt compounds having a general formula (I) which is A<->[B<+>]p, wherein the B<+> is a cation of organic tertiary amine B with +1 valence and the A<-> is CO<3><2->, HCO<3><-> or a combination of the CO<3><2-> and HCO<3><->; and 2) a second compound mixture (M2) containing N-monohydroxyethyl-ammonium carbonate compounds having a general formula (II) which is (RN<+>H3)(N<+>H4)CO<3><2-> and N,N'-bis(hydroxyethyl)-ammonium carbonate compounds having a general formula (III) which is (RN<+>H3)2CO<3><2->, wherein the R is a hydroxyethyl group, and a molar ratio of the compounds of the formula (II) to the compounds of the formula (III) is 1:0 to 1:2.5. The foaming agent is suitable for the preparation of a foam material of polyurethane intermittent slabs.
Owner:SHANDONG UNIV OF TECH +1
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