CN107337778A - Polyurethane foam combination and polyurethane foam plastics prepared therefrom - Google Patents
Polyurethane foam combination and polyurethane foam plastics prepared therefrom Download PDFInfo
- Publication number
- CN107337778A CN107337778A CN201710666287.5A CN201710666287A CN107337778A CN 107337778 A CN107337778 A CN 107337778A CN 201710666287 A CN201710666287 A CN 201710666287A CN 107337778 A CN107337778 A CN 107337778A
- Authority
- CN
- China
- Prior art keywords
- polyurethane foam
- parts
- carboxylic acid
- combined polyether
- foam plastics
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1808—Catalysts containing secondary or tertiary amines or salts thereof having alkylene polyamine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1816—Catalysts containing secondary or tertiary amines or salts thereof having carbocyclic groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1825—Catalysts containing secondary or tertiary amines or salts thereof having hydroxy or primary amino groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/20—Ternary blends of expanding agents
- C08J2203/204—Ternary blends of expanding agents of chemical foaming agent and physical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Abstract
The invention provides polyurethane foam combination and polyurethane foam plastics prepared therefrom, it is related to polyurethane foam plastics technical field.The polyurethane foam combination is mainly made up of isocyanates and combined polyether, wherein, combined polyether includes PPG, carboxylic acid and catalyst, and in the course of the polymerization process, carboxylic acid can react generation CO with isocyanates2Gas, CO2The dosage that the generation of gas can reduce foaming agent need not even add foaming agent, significantly reduce adverse effect of the conventional foaming agents for ozone layer and greenhouse effects, it is green, meanwhile obtained polyurethane foam plastics has the characteristics of even structure, abscess are small and fine and close, intensity is big, thermal conductivity factor is low.Present invention also offers polyurethane foam plastics, the polyurethane foam plastics is formed by above-mentioned polyurethane foam combination is cured.
Description
Technical field
The present invention relates to polyurethane foam plastics technical field, in particular to polyurethane foam combination and by it
The polyurethane foam plastics of preparation.
Background technology
At present, polyurethane foam plastics industry development is rapid, and its reason is domestic cold-storage insulation, building energy conservation, the sun
The fast development of the industries such as energy industry, automobile, furniture, has greatly pulled the demand of polyurethane foam plastics.
Polyurethane foam plastics is formed by polyurethane foam combination is cured.Existing polyurethane foam combination is more
It is made up of isocyanates, combined polyether, water, catalyst, foaming agent etc..Wherein, the species of foaming agent has a lot, such as CFC
(CFCs), a fluorine dichloroethanes 141B, pentamethylene, pentafluoropropane, 3-pentafluorobutane, LBA, methyl formate etc..
With protection of the people to ozone layer and the attention of greenhouse effects, according to《Paris Convention》Requirement, progressively promote
It is relatively low or be zero using the latent value (ODP, Ozone Depletion Potential) of ozone-depleting, and global greenhouse effect value
(GWP, Global Warming Potentia) it is relatively low or be zero foaming agent product, therefore, foaming agent from one generation to the next
Arise at the historic moment.Gradually it has been eliminated for the higher foaming agent of those ODP values and GWP value.Existing foaming agent exists different
The defects of degree, such as foaming agent LBA prices, pentamethylene have inflammable and explosive property, the thermal conductivity factor height of methyl formate, it is desirable to press
Power is high, bubble density is high, and storage cycle is short, and it is big to make foaming agent foam shrinkage using water, the features such as poor fluidity, makes poly- ammonia
Ester foaming performance etc. is restricted.
In consideration of it, a kind of technical scheme is proposed to solve the above problems.
The content of the invention
First purpose of the present invention is to provide a kind of polyurethane foam combination, the polyurethane foam combination master
To be made up of isocyanates and combined polyether, wherein, combined polyether includes PPG, carboxylic acid and catalyst, is polymerizeing
Cheng Zhong, carboxylic acid can react generation CO with isocyanates2Gas, CO2The dosage that the generation of gas can reduce foaming agent is even not required to
Add foaming agent, hence it is evident that reduce the adverse effect of destruction and greenhouse effects of the conventional foaming agents for ozone layer, green ring
Protect, meanwhile, obtained polyurethane foam plastics has even structure, intensity big, and abscess is small and fine and close, the low spy of thermal conductivity factor
Point.
Second object of the present invention is to provide a kind of polyurethane foam plastics, and the polyurethane foam plastics is by above-mentioned
Polyurethane foam combination is cured to be formed.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
The present invention provides a kind of polyurethane foam combination, and the polyurethane foam combination is mainly by following raw material system
Into：Isocyanates and combined polyether；
Wherein, the combined polyether includes PPG, carboxylic acid and catalyst.
Further, the polyurethane foam combination is mainly made up of following raw material：Isocyanates and combined polyether, it is different
The weight of cyanate and combined polyether ratio is (0.5-1):(0.5-1)；
Wherein, in parts by weight, the combined polyether includes PPG 1-80 parts, carboxylic acid 1-30 parts and catalysis
Agent 1-5 parts.
Further, the combined polyether also includes PEPA, and the parts by weight of PEPA are 1-80 parts.
Further, the combined polyether also includes water, and the parts by weight of water are 0.1-3 parts.
Further, the combined polyether also includes foaming agent, and the parts by weight of foaming agent are 1-30 parts.
Further, the polyurethane foam combination is mainly made up of following raw material：Isocyanates and combined polyether, it is different
The weight of cyanate and combined polyether ratio is (0.5-1):(0.5-1)；
Wherein, in parts by weight, the combined polyether includes PPG 5-80 parts, PEPA 1-80
Part, carboxylic acid 2-30 parts, foaming agent 1-25 parts, catalyst 2-5 parts and water 1-3 parts.
Further, the acid ionization constant of the carboxylic acid is 3.5-5.8.
Further, the carboxylic acid is by least one other hydroxyl, carboxyl or halogen functional group's functionalization.
Further, the carboxylic acid is lactic acid, preferably Pfansteihl.
Present invention also offers a kind of polyurethane foam plastics, the polyurethane foam plastics passes through the above-mentioned polyurethane stated
Foam compositions are cured to be formed.
Compared with prior art, polyurethane foam combination and polyurethane foam plastics provided by the invention have and had as follows
Beneficial effect：
(1) the invention provides a kind of polyurethane foam combination, the polyurethane foam combination mainly by isocyanates,
Combined polyether and catalyst composition, wherein, combined polyether includes polyether polyols alcohol and carboxylic acid, and in the course of the polymerization process, carboxylic acid can be with
Isocyanates reaction generation CO2Gas, CO2The dosage that the generation of gas can reduce foaming agent need not even add foaming agent,
Adverse effect of the conventional foaming agents for ozone layer and greenhouse effects is significantly reduced, it is green, meanwhile, obtained polyurethane
Foamed plastics has the characteristics of even structure, intensity are big, and abscess is small and fine and close, and thermal conductivity factor is low.
(2) present invention also offers polyurethane foam plastics, the polyurethane foam plastics is by above-mentioned polyurethane foam group
Compound is cured to be formed, and obtained polyurethane foam plastics has even structure, intensity big, and abscess is small and fine and close, thermal conductivity factor
The characteristics of low.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or the unreceipted production firm person of instrument, it is
The conventional products that can be obtained by commercially available purchase.
According to an aspect of the invention, there is provided a kind of polyurethane foam combination, polyurethane foam combination master
To be made up of following raw material：Isocyanates and combined polyether；
Wherein, combined polyether includes PPG, carboxylic acid and catalyst.
Polyurethane foam combination provided by the invention is mainly made up of isocyanates, combined polyether and catalyst, wherein,
Combined polyether includes polyether polyols alcohol and carboxylic acid, and in the course of the polymerization process, carboxylic acid can react generation CO with isocyanates2Gas, CO2
The dosage that the generation of gas can reduce foaming agent need not even add foaming agent, hence it is evident that reduce conventional foaming agents for smelly
The adverse effect of oxygen layer and greenhouse effects, it is green, meanwhile, obtained polyurethane foam plastics has even structure, intensity
Greatly, the characteristics of abscess is small and fine and close, and thermal conductivity factor is low.
Specifically, in the present invention, used isocyanates is as known in the art for preparing the different of polyurethane
The raw material of cyanate radical, such as toluene di-isocyanate(TDI) (TDI, 2,4-tolylene diisocyanate), diphenyl methane two are different
Cyanate (MDI, Diphenyl methane diisocyanate), poly methylene poly phenyl poly isocyanate (PAPI,
Polymethylene polyphenyl polyisocyanate) and a small amount of other aliphatic and virtue for being used for specific use
The organic isocyanate of fragrant race.
PPG is preferably one kind in Sucrose polyethers polyalcohol, glycerin polyether polyalcohol, aromatic polyether polyalcohol
Or at least two combination.To strengthen the fire resistance of polyurethane, PPG is chosen as flame retardant polyester polyalcohol, i.e. phosphorus
It is flame retardant polyester polyalcohol or halogen system flame retardant polyester polyalcohol.
The average hydroxy functionality of PPG is 2-6, preferably 3-6, and average hydroxyl value can be 200-650mgKOH/g,
Preferably 220-640mgKOH/g.
Release CO is mainly reacted in carboxylic acid, effect in the present invention with isocyanates2Gas.As long as possess it is nontoxic,
It is acid weak, without the inflammable and explosive liquid carboxylic having no irritating odor.
As a kind of preferred embodiment in the present invention, the acid ionization constant (pKa) of carboxylic acid is 3.5-5.8, is preferably
3.5-5.6 more preferably 3.8-5.5.The typical but non-limiting acid ionization constant of carboxylic acid can be 3.5,3.6,3.7,
3.8、3.9、4.0、4.1、4.2、4.3、4.4、4.5、4.6、4.7、4.8、4.9、5.0、5.1、5.2、5.3、5.4、5.5、5.6、
5.7 or 5.8.
As a kind of preferred embodiment in the present invention, carboxylic acid is by least one other hydroxyl, carboxyl or halogen function
Group's functionalization.
Functionalised carboxylic acid has below formula：Xn- R-COOH, wherein, X is-OH bases ,-COOH bases or halogen, and n is big
In or equal to 1 integer, R is alkyl.Preferably, R alkyl be linear or branched aliphatic hydrocarbon with 2-20 carbon atom or
Aromatic hydrocarbon.
Preferably, the ignition-proof element such as P elements or halogen is introduced on carboxylic acid, and carboxylic acid reacts to be formed with isocyanates
The polymeric material of three-dimensional-structure, i.e. ignition-proof element are connected to whole polymeric material, improve the fire resistance of material.It is and traditional
Additive flame retardant polymeric material exist it is easy to migrate, can not persistently, keep flame retardant effect and destroy foam physics performance etc.
Shortcoming.
As a kind of preferred embodiment in the present invention, carboxylic acid may be selected from acetic acid, hydroxyacetic acid, hydroxysuccinic acid, lemon
A kind of in lemon acid, lactic acid, salicylic acid or dichloropropionic acid or at least two combination, more preferably lactic acid, hydroxyl second
Acid or dichloropropionic acid a kind of or at least two combination, more preferably Pfansteihl.
It should be noted that the carboxylic acid in the present invention can not only play a part of crosslinking agent, to increase the chain of polyurethane
Section, generation CO can also be reacted with isocyanates2Gas, promote polyurethane foam, to form the abscess of uniformly rule.
Catalyst is amine or tin catalyst.Wherein, amines catalyst can be N, N- dimethyl cyclohexyl amines, dimethyl second
One kind in hydramine, dimethyl benzylamine, triethanolamine, triethylenediamine, pentamethyl-diethylenetriamine or quaternary amine or extremely
Few two kinds combination；Tin catalyst can be stannous octoate and/or dibutyl tin laurate.
" comprising " of the present invention, it is intended that it can also include other components in addition to the component, such as fire retardant,
Foam stabiliser etc., these other components assign the polyurethane foam combination different characteristics.In addition, institute of the present invention
The " comprising " stated, may be replaced by enclosed " for " or " by ... form ".
As a kind of preferred embodiment in the present invention, the combined polyether also includes fire retardant, and fire retardant is preferably liquid
Body organic phosphorus compound, such as triethyl phosphate (TEP), three (the chloro- 2- propyl group of 1-) phosphates (TCPP) and three (2- chloroethyls)
Phosphate (TCEP) etc..
As a kind of preferred embodiment in the present invention, the polyurethane foam combination is mainly made up of following raw material：
The weight ratio of isocyanates and combined polyether, isocyanates and combined polyether is (0.5-1):(0.5-1), it is preferably (0.55-
1):(0.55-1), more preferably (0.6-1):(0.6-1).
Wherein, in parts by weight, the combined polyether includes PPG 1-80 parts, carboxylic acid 1-30 parts and catalyst
1-5 parts.
Isocyanates and the typical but non-limiting weight ratio of combined polyether are 1:1、0.5:0.6、0.5:0.7、0.5:
0.8、0.5:0.9、0.5:1、0.6:0.7、0.6:0.8、0.6:0.9、0.6:1、0.7:0.8、0.7:0.9、0.7:1.0、0.8:
0.9、0.8:1、0.6:0.5、0.7:0.5、0.8:0.5、0.9:0.5 or 1:0.5.
The typical but non-limiting parts by weight of PPG be 1 part, 5 parts, 10 parts, 15 parts, 18 parts, 20 parts, 22 parts,
25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts or 80 parts.
The typical but non-limiting parts by weight of carboxylic acid be 1 part, 3 parts, 5 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20
Part, 22 parts, 25 parts, 28 parts or 30 parts.
The typical but non-limiting parts by weight of catalyst are 1 part, 2 parts, 3 parts, 4 parts or 5 parts.
Pass through the further restriction to each raw material dosage so that the reaction speed of isocyanates and combined polyether is moderate, hair
Bubble is uniform, and obtained polyurethane foam plastics foam structure rule, compressive strength is big, and thermal conductivity factor is lower.
As a kind of preferred embodiment in the present invention, the combined polyether also includes PEPA, PEPA
Parts by weight be 1-80 parts.
PEPA can also react as PPG with isocyanates.PEPA is chosen as fragrance
A kind of in adoption ester polyol, benzoic anhydride polyester polyol or at least two combination.
The typical but non-limiting parts by weight of PEPA be 1 part, 5 parts, 10 parts, 15 parts, 18 parts, 20 parts, 22 parts,
25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts or 80 parts.
As a kind of preferred embodiment in the present invention, the combined polyether also includes water, and the parts by weight of water are 0.1-3
Part.
The typical but non-limiting parts by weight of water are 0.1 part, 0.5 part, 0.8 part, 1 part, 1.5 parts, 2 parts, 2.5 parts or 3
Part.
Water blends as CBA, water and the isocyanate groups reaction generation amino first in isocyanates
Acid, then resolves into amine and carbon dioxide quickly, and the carbon dioxide of releasing can play foaming effect, generate foams.
As a kind of preferred embodiment in the present invention, the combined polyether also includes foaming agent, the parts by weight of foaming agent
Number is 1-30 parts.
In order to strengthen the foaming effect of polyurethane, a certain amount of foaming agent can be also added in combined polyether.Foaming agent selects
From one kind in pentamethylene, pentafluoropropane, 3-pentafluorobutane, LBA and methyl formate or at least two combination.
Present invention also offers a kind of polyurethane foam plastics, the polyurethane foam plastics passes through above-mentioned polyurethane foam
Composition is cured to be formed, and obtained polyurethane foam plastics has that structural strength is big, and abscess densification abscess is small, and thermal conductivity factor is low
The characteristics of.
Polyurethane foam plastics is prepared using method well known in the art, and this is prior art, herein not
Repeat again.
With reference to specific embodiment and comparative example, the invention will be further described.
Embodiment 1
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Methyl diphenylene diisocyanate 30
2 parts of part, 380 23 parts of Sucrose polyethers polyalcohol, 5 parts of Pfansteihl and dibutyl tin laurate.
A kind of polyurethane foam plastics, above-mentioned polyurethane foam combination is placed in high-pressure polyurethane foaming agent, controlled
Outlet temperature is foamed at 15-20 DEG C, forms polyurethane foam plastics.
Embodiment 2
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Methyl diphenylene diisocyanate 30
Part, 380 23 parts of Sucrose polyethers polyalcohol, aromatic polyester polyol Terate200010 parts, 5 parts of Pfansteihl and tin dilaurate
2 parts of dibutyl tin.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 3
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Methyl diphenylene diisocyanate 30
0.5 part of part, 380 23 parts of Sucrose polyethers polyalcohol, 5 parts of Pfansteihl, 2 parts of dibutyl tin laurate and water.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 4
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Methyl diphenylene diisocyanate 30
Part, 380 23 parts of Sucrose polyethers polyalcohol, 5 parts of Pfansteihl, 2 parts of dibutyl tin laurate, 0.5 part of water and foaming agent LBA 1
Part.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 5
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Methyl diphenylene diisocyanate 30
Part, 380 23 parts of Sucrose polyethers polyalcohol, 5 parts of Pfansteihl, 2 parts of dibutyl tin laurate, 0.5 part of water, 1 part of foaming agent LBA
With 2 parts of fire retardant, wherein fire retardant is triethyl phosphate.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 6
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Polymethylene polyphenyl polyisocyanic acid
3 parts of 50 parts of ester, 4,110 50 parts of PPG, 10 parts of Pfansteihl and amines catalyst, wherein, amines catalyst is pentamethyl
The combination of diethylenetriamines, dimethyl cyclohexyl amine and triethanolamine, the weight ratio of three is 1:1:1.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 7
The polyurethane foam combination of the present embodiment is the control experiment of embodiment 6, except polyurethane foam combination is former
Carboxylic acid in material uses salicylic acid, and the preparation method of remaining raw material, dosage and polyurethane foam plastics is same as Example 6,
Referring specifically to embodiment 6.
Embodiment 8
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Polymethylene polyphenyl polyisocyanic acid
5 parts of 200 parts of ester, 75 parts of PPG 113E, 50 parts of benzoic anhydride polyester polyol, 20 parts of dichloropropionic acid and stannous octoate.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 9
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Polymethylene polyphenyl polyisocyanic acid
135 parts of ester, 403 15 parts of PPG, 80 parts of benzoic anhydride polyester polyol, 30 parts of carboxylic acid, 5 parts of dibutyl tin laurate and
5 parts of foaming agent, wherein, carboxylic acid is the combination of lactic acid and hydracrylic acid, and both weight ratios are 2:1, foaming agent is pentamethylene and five
The combination of fluorine butane, both weight ratios are 1:1.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 10
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Polymethylene polyphenyl polyisocyanic acid
135 parts of ester, 403 15 parts of PPG, 80 parts of benzoic anhydride polyester polyol, 5 parts of carboxylic acid, 5 parts of dibutyl tin laurate and hair
30 parts of infusion, wherein, carboxylic acid is the combination of lactic acid and hydracrylic acid, and both weight ratios are 2:1, foaming agent is pentamethylene and five fluorine
The combination of butane, both weight ratios are 1:1.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 11
A kind of polyurethane foam combination, is prepared from the following raw materials in parts by weight：Polymethylene polyphenyl polyisocyanic acid
200 parts of ester, 8,305 60 parts of PPG, 80 parts of benzoic anhydride polyester polyol, 5 parts of carboxylic acid, 5 parts of dibutyl tin laurate, hair
3 parts of 10 parts of infusion and water, wherein, carboxylic acid is lactic acid and salicylic combination, and both weight ratios are 1:1, foaming agent is pentamethylene
With the combination of pentafluoropropane, both weight ratios are 1:1.
A kind of polyurethane foam plastics, the preparation method of the polyurethane foam plastics of the present embodiment is referring specifically to embodiment 1.
Embodiment 12
The polyurethane foam combination of the present embodiment is the control experiment of embodiment 11, except polyurethane foam combination is former
The parts by weight of carboxylic acid in material are increased to as 25 parts, the preparation method and reality of remaining raw material, dosage and polyurethane foam plastics
It is identical to apply example 11, referring specifically to embodiment 11.
Embodiment 13
The polyurethane foam combination of the present embodiment is the control experiment of embodiment 11, except polyurethane foam combination is former
The parts by weight of carboxylic acid in material are increased to as 40 parts, the preparation method and reality of remaining raw material, dosage and polyurethane foam plastics
It is identical to apply example 11, referring specifically to embodiment 11.
Comparative example 1
The polyurethane foam combination that this comparative example provides is the comparative example of embodiment 9, on the basis of the raw material of embodiment 9
Carboxylic acid is removed, other components and dosage are constant.
The preparation method of this comparative example polyurethane foam plastics, specific steps refer to embodiment 9.
Comparative example 2
The polyurethane foam combination that this comparative example provides is the comparative example of embodiment 3, on the basis of the raw material of embodiment 3
Lactic acid is removed, other components and dosage are constant.
The preparation method of this comparative example polyurethane foam plastics, specific steps refer to embodiment 3.
It should be noted that the average hydroxyl value of the benzoic anhydride polyester polyol employed in above-described embodiment and comparative example is
300mgKOH/g, the degree of functionality of Sucrose polyethers polyalcohol is 5-7, and average hydroxyl value is 350mgKOH/g.
Experimental example 1
The performance of polyurethane foam plastics obtained by embodiment 1-13 and comparative example 1-2 is tested, wherein foam is close
Degree is according to GB/T 6343-2009, and compressive strength measure is according to GB/T 8813-2008, and Measured Results of Thermal Conductivity is according to GB/T
3399-1982, concrete outcome are shown in Table 1.
The embodiment 1-13 of table 1 and the polyurethane foam plastics in comparative example 1-2 performance test results
From table 1 it follows that comparing comparative example 1-2,1-13 of embodiment of the present invention polyurethane foam plastics has rule
Foam structure then, and abscess is fine and close and small, compressive strength is big, and thermal conductivity factor is low.
Wherein, embodiment 2-5 is the check experiment of embodiment 1, and embodiment 2 is added on the basis of the raw material of embodiment 1
PEPA is added, embodiment 3 is that water is with the addition of on the basis of embodiment 1, and embodiment 4 is on the basis of embodiment 1
Water and foaming agent are with the addition of, embodiment 5 is that water, foaming agent and fire retardant are with the addition of on the basis of embodiment 1.By number in table 1
According to it can also be seen that for embodiment 1, carboxylic acid and isocyanates reaction generation CO are only added2, you can reach good foaming effect
Fruit.Addition for water or foaming agent, it may be such that gas release increases, further lift foaming effect.It is contemplated that foaming
The cost of agent and the adverse effect for environment, by contrast, polyurethane foam combination cost performance in embodiment 1 compared with
It is high.
Embodiment 7 is the control experiment of embodiment 6, and both differences are that the specific species of selected carboxylic acid is different.
It can be seen that salicylic acid and Pfansteihl can obtain having regular foam structure, higher compression intensity and relatively low thermal conductivity factor
Polyurethane foam plastics.
Embodiment 12 and embodiment 13 are the control experiment of embodiment 11, and three's difference is the dosage of carboxylic acid not
Together.When the dosage of carboxylic acid is between 1-30 parts, with the increase of carboxylic acid dosage, resulting polyurethane foam plastics has good
Foaming effect, but when carboxylic acid dosage more than 30 parts, when increasing to 40 parts, the combination property of polyurethane foam plastics has one
Fixed decline.Therefore the dosage of carboxylic acid should could obtain superperformance by polyurethane foam plastics in a specific range.
Comparative example 1 is the contrast experiment of embodiment 9, and both differences are being not added with carboxylic acid in comparative example 1.For right
The polyurethane foam plastics of ratio 1 is foamed using water, and its foaming effect can not show a candle to carry out cooperateing with foaming using carboxylic acid and water
Effect.Comparative example 2 is the contrast experiment of embodiment 3, and both differences are being not added with carboxylic acid in comparative example 2.For contrast
The polyurethane foam plastics of example 2 is foamed using foaming agent, and its foaming effect can not show a candle to using carboxylic acid and foaming agent collaboration foaming
Effect.
Comprehensive to understand, in the course of the polymerization process, carboxylic acid can be with isocyanide for polyurethane foam combination provided in an embodiment of the present invention
Acid esters reaction generation CO2Gas, CO2The dosage that the generation of gas can reduce foaming agent need not even add foaming agent, hence it is evident that
Adverse effect of the conventional foaming agents for ozone layer and greenhouse effects is improved, simultaneously so that obtained polyurethane foam plastics
It is big with structural strength, the characteristics of abscess densification abscess is small, and thermal conductivity factor is low.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of polyurethane foam combination, it is characterised in that the polyurethane foam combination is mainly made up of following raw material：
Isocyanates and combined polyether；
Wherein, the combined polyether includes PPG, carboxylic acid and catalyst.
2. polyurethane foam combination according to claim 1, it is characterised in that the polyurethane foam combination is main
It is made up of following raw material：The weight ratio of isocyanates and combined polyether, isocyanates and combined polyether is (0.5-1):(0.5-
1)；
Wherein, in parts by weight, the combined polyether includes PPG 1-80 parts, carboxylic acid 1-30 parts and catalyst 1-
5 parts.
3. polyurethane foam combination according to claim 2, it is characterised in that it is more that the combined polyether also includes polyester
First alcohol, the parts by weight of PEPA are 1-80 parts.
4. polyurethane foam combination according to claim 2, it is characterised in that the combined polyether also includes water, water
Parts by weight be 0.1-3 parts.
5. polyurethane foam combination according to claim 2, it is characterised in that the combined polyether also includes foaming
Agent, the parts by weight of foaming agent are 1-30 parts.
6. polyurethane foam combination according to claim 1, it is characterised in that the polyurethane foam combination is main
It is made up of following raw material：The weight ratio of isocyanates and combined polyether, isocyanates and combined polyether is (0.5-1):(0.5-
1)；
Wherein, in parts by weight, the combined polyether includes PPG 5-80 parts, PEPA 1-80 parts, carboxylic
Sour 2-30 parts, foaming agent 1-25 parts, catalyst 2-5 parts and water 1-3 parts.
7. according to the polyurethane foam combination described in claim 1-6 any one, it is characterised in that the acidolysis of the carboxylic acid
It is 3.5-5.8 from constant.
8. according to the polyurethane foam combination described in claim 1-6 any one, it is characterised in that the carboxylic acid is by least
One other hydroxyl, carboxyl or halogen functional group's functionalization.
9. according to the polyurethane foam combination described in claim 1-6 any one, it is characterised in that the carboxylic acid is breast
Acid, preferably Pfansteihl.
10. a kind of polyurethane foam plastics, it is characterised in that the polyurethane foam plastics passes through any in claim 1-9
Polyurethane foam combination described in one is cured to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666287.5A CN107337778A (en) | 2017-08-07 | 2017-08-07 | Polyurethane foam combination and polyurethane foam plastics prepared therefrom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666287.5A CN107337778A (en) | 2017-08-07 | 2017-08-07 | Polyurethane foam combination and polyurethane foam plastics prepared therefrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107337778A true CN107337778A (en) | 2017-11-10 |
Family
ID=60217755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666287.5A Pending CN107337778A (en) | 2017-08-07 | 2017-08-07 | Polyurethane foam combination and polyurethane foam plastics prepared therefrom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107337778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676139A (en) * | 2018-06-12 | 2018-10-19 | 常州天晟新材料研究院有限公司 | A kind of sqouynd absorption lowering noise sound insulation polyurethane foamed material and preparation method thereof, application |
| CN111748070A (en) * | 2019-03-26 | 2020-10-09 | 黑龙江大学 | Low-aldehyde content slow-resilience polyurethane foam and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235617A (en) * | 1996-11-04 | 1999-11-17 | 帝国化学工业公司 | Rigid polyurethane foams |
| CN1304426A (en) * | 1998-04-03 | 2001-07-18 | 亨茨曼Ici化学品有限公司 | Polyisocyanurate foams |
| CN1547599A (en) * | 2001-08-30 | 2004-11-17 | Process for making rigid urethane-modified polyisocyanurate foams |
-
2017
- 2017-08-07 CN CN201710666287.5A patent/CN107337778A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235617A (en) * | 1996-11-04 | 1999-11-17 | 帝国化学工业公司 | Rigid polyurethane foams |
| CN1304426A (en) * | 1998-04-03 | 2001-07-18 | 亨茨曼Ici化学品有限公司 | Polyisocyanurate foams |
| CN1547599A (en) * | 2001-08-30 | 2004-11-17 | Process for making rigid urethane-modified polyisocyanurate foams |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676139A (en) * | 2018-06-12 | 2018-10-19 | 常州天晟新材料研究院有限公司 | A kind of sqouynd absorption lowering noise sound insulation polyurethane foamed material and preparation method thereof, application |
| CN111748070A (en) * | 2019-03-26 | 2020-10-09 | 黑龙江大学 | Low-aldehyde content slow-resilience polyurethane foam and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2018236730B2 (en) | Foam expansion agent compositions containing hydrohaloolefin and water and their uses in the preparation of polyurethane and polyisocyanurate polymer foams | |
| JP6255332B2 (en) | Compositions and use of cis-1,1,1,4,4,4-hexafluoro-2-butene foam-forming compositions in the production of polyisocyanate-based foams | |
| CA3023927C (en) | Foam-forming compositions containing azeotrope-like mixtures containing cis-1,1,1,4,4,4-hexafluoro-2-butene and dimethoxymethane | |
| JP5121699B2 (en) | Rigid polyurethane foam and method for producing rigid polyisocyanurate foam | |
| US20100298453A1 (en) | Board stock foam having biobased content | |
| US20020019452A1 (en) | Process for making rigid polyurethane foams having high adhesion | |
| JP2015510535A (en) | Method for producing rigid polyurethane-polyisocyanurate foam | |
| JP2010534253A (en) | Cis-1,1,1,4,4,4-hexafluoro-2-butene foam molding composition and use of the composition in the production of polyisocyanate-based foams | |
| MX2011001552A (en) | Foam-forming compositions containing mixtures of 2-chloro-3,3,3-trifluoropropene and hydrocarbon and their uses in the preparation of polyisocyanate-based foams. | |
| WO2017100232A1 (en) | Rigid polyurethane foams suitable for wall insulation | |
| IE940843A1 (en) | Surfactant for polyisocyanurate foams made with alternative¹blowing agents | |
| JP2000511957A (en) | Method for producing polyurethane rigid foam with low thermal conductivity | |
| JP2018508635A (en) | Method for forming polyurethane foam products | |
| JP2004285319A (en) | Rigid polyurethane foam composition and low-temperature insulator using the same | |
| US20220275144A1 (en) | Polyurethane foam composition comprising an aromatic polyester polyol compound and products made therefrom | |
| CN112105663A (en) | Process for producing rigid polyurethane/polyisocyanurate (PUR/PIR) foams | |
| CN107337778A (en) | Polyurethane foam combination and polyurethane foam plastics prepared therefrom | |
| KR100809667B1 (en) | Water blowned polyurethane composition having very low density and method for preparing the same | |
| KR102401314B1 (en) | Method for producing polyisocyanurate rigid foam | |
| US20080161441A1 (en) | Rigid polyurethane/polyisocyanurate castor oil based foams | |
| JP2015083692A (en) | Polyol compositions, resin blend compositions, spray compositions, and methods of using each, and methods of making each | |
| Singh | Rigid polyurethane foam: a versatile energy efficient material | |
| KR100561806B1 (en) | Low density polyurethane foam compositions for spray | |
| JP4178390B2 (en) | Rigid polyurethane foam molding composition and method for producing rigid polyurethane foam using the composition | |
| KR101446339B1 (en) | Rigid polyurethane foams for spray |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |
|
| RJ01 | Rejection of invention patent application after publication |