CN111961332A - Formula of polyurethane foaming product with good oil-repellent effect - Google Patents
Formula of polyurethane foaming product with good oil-repellent effect Download PDFInfo
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- CN111961332A CN111961332A CN202010891324.4A CN202010891324A CN111961332A CN 111961332 A CN111961332 A CN 111961332A CN 202010891324 A CN202010891324 A CN 202010891324A CN 111961332 A CN111961332 A CN 111961332A
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- 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
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- 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
- C08J9/06—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 chemical blowing agent
- C08J9/08—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 chemical blowing agent developing carbon dioxide
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- 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
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- 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
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- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- 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
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- 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
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- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
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- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
- C08J2483/05—Polysiloxanes containing silicon bound to hydrogen
Abstract
The invention discloses a polyurethane foaming product formula with a good oil-repellent effect, which comprises the following components in parts by weight: 60-80 parts of polyether polyol, 40-60 parts of isocyanate, 10-20 parts of deionized water, 3-7 parts of silicone oil, 0.8-2 parts of n-pentane, 0.7-1.5 parts of ethylene glycol, 3-7 parts of polyether modified polysiloxane and 1-3 parts of paraffin; according to the invention, polyether polyol, isocyanate, deionized water, n-pentane and ethylene glycol are used as main raw materials of a polyurethane foaming product, and polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride and zinc acetate are added as auxiliary agents, so that the prepared polyurethane foaming product has high oil repellency, and the problems that the traditional polyurethane foaming product is easy to be stained with oil stains and difficult to wipe and clean due to poor oil repellency when applied to an automobile engine cover are solved.
Description
Technical Field
The invention relates to the technical field of polyurethane foaming, in particular to a polyurethane foaming product formula with a good oil-repellent effect.
Background
The rigid polyurethane foam is a high molecular polymer prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and performing high-pressure spraying and on-site foaming. Polyurethane has both soft and hard foams. The soft bubbles are in an open pore structure, and the hard bubbles are in a closed pore structure; soft foams are classified into skinned and non-skinned. The primary function of the polyurethane soft foam is cushioning. Polyurethane soft foam is commonly used for sofa furniture, pillows, cushions, toys, clothes and sound insulation linings, rigid polyurethane foam plastic is mainly applied to heat insulation of outer walls of buildings, integration of waterproof and heat insulation of roofs, heat insulation of cold storages, heat insulation materials of pipelines, building boards, heat insulation materials of refrigerated trucks and cold storages, and the like, polyurethane foam products are commonly used for automobile engine covers to play a role in sound insulation protection in the automobile field, but because the oil repellency of the traditional polyurethane foam products is poor, a large amount of oil stains are always arranged around the automobile engine, once the oil stains are adhered, the cleaning is difficult to wipe, and therefore, a polyurethane foam product formula with a good oil repellency effect is provided.
Disclosure of Invention
The invention aims to provide a polyurethane foaming product formula with good oil-repellent effect so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 60-80 parts of polyether polyol, 40-60 parts of isocyanate, 10-20 parts of deionized water, 3-7 parts of silicone oil, 0.8-2 parts of n-pentane, 0.7-1.5 parts of ethylene glycol, 3-7 parts of polyether modified polysiloxane, 1-3 parts of paraffin, 3-6 parts of pentamethyl diethylenetriamine, 1-3 parts of dimethylcyclohexylamine and 3-8 parts of dimethylbenzylamine, 1-1.6 parts of pentafluorobutane, 0.7-1.6 parts of tetrafluoroethane, 3-5 parts of hydrated alumina, 2-4 parts of diphenyl cresylphosphate, 3-5 parts of polydimethylsiloxane, 2-5 parts of polymethylhydrosiloxane, 1-3 parts of ethanolamine, 2-4 parts of zirconium oxychloride, 3-6 parts of zinc acetate, 2-6 parts of polybutadiene and 0.3-0.6 part of trioctyl phosphate.
Preferably, the weight ratio of the polyether polyol to the isocyanate to the deionized water is 88-70: 70-46: 12-19.
Preferably, the weight ratio of the polydimethylsiloxane, the polymethylhydrosiloxane, the ethanolamine, the zirconium oxychloride, the zinc acetate and the polybutadiene is 2.4-5.3: 1.8-4.2: 1.4-3.9: 1.5-4.8: 3-5.3: 4.8-6.6.
Preferably, the weight ratio of the silicone oil to the n-pentane to the glycol is 3.2-7.6: 0.6-1.6: 0.6-1.7.
Preferably, the weight ratio of pentamethyldiethylenetriamine, dimethylcyclohexylamine, dimethylbenzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina to cresyldiphenyl phosphate is 3.8-6.5: 1.4-3.35: 3.5-7.2: 1.2-2: 0.62-1.9: 4-5: 2.5-49.
Preferably, the weight ratio of the trioctyl phosphate to the polyether modified polysiloxane to the paraffin is 0.33-0.7: 6-10: 2-6.
Preferably, the polyurethane foaming product with good oil-repellent effect has the following formula by weight: 64-85 parts of polyether polyol, 43-58 parts of isocyanate, 13-18 parts of deionized water, 3.3-6.1 parts of silicone oil, 1-1.8 parts of n-pentane, 0.9-1.4 parts of ethylene glycol, 4-5.9 parts of polyether modified polysiloxane, 1.2-2.3 parts of paraffin, 3.8-6.8 parts of pentamethyl diethylenetriamine, 1.2-2.8 parts of dimethylcyclohexylamine, 3.4-6.8 parts of dimethylbenzylamine, 1.15-1.43 parts of pentafluorobutane, 0.9-1.22 parts of tetrafluoroethane, 3.8-4.65 parts of hydrated alumina, 2.2-3.35 parts of diphenyl cresylphosphate, 3.2-4.1 parts of polydimethylsiloxane, 2.3-4.6 parts of polymethylhydrosiloxane, 1.1-2.4 parts of ethanolamine, 2.2-3.5 parts of zirconium oxychloride, 3.4-5.5 parts of zinc acetate, 2.1-4.8 parts of polybutadiene and 0.42-0.53 part of trioctyl phosphate.
The invention also provides a preparation method of the camellia oleifera for pregnant women, which comprises the following steps:
s1, preparing a material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 2-6min at the speed of 200-600r/min to obtain the material 1;
s2, preparing a prepolymer, mixing polyether polyol and isocyanate, and stirring at 400r/min for 3-4min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2 for mixing, and stirring for 5-7min at the speed of 400 plus materials and 800r/min to obtain the stock 2;
s4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at the speed of 400-.
Preferably, the isocyanate comprises toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate and dicyclohexylmethane diisocyanate, and the usage amount of the isocyanate is 2-3: 1-1.1: 1.1-2: 0.4-0.6.
According to the formula of the polyurethane foaming product with the good oil repellency, provided by the invention, polyether polyol, isocyanate, deionized water, n-pentane and ethylene glycol are used as main raw materials of the polyurethane foaming product, and polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride and zinc acetate are added as auxiliary agents, so that the prepared polyurethane foaming product has high oil repellency, and the problems that the traditional polyurethane foaming product is easy to be stained with oil stains and difficult to wipe and clean due to poor oil repellency when applied to an automobile engine cover are solved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 60 parts of polyether polyol, 40 parts of isocyanate, 10 parts of deionized water, 3 parts of silicone oil, 0.8 part of n-pentane, 0.7 part of ethylene glycol, 3 parts of polyether modified polysiloxane, 1 part of paraffin, 3 parts of pentamethyl diethylenetriamine, 1 part of dimethylcyclohexylamine, 3 parts of dimethylbenzylamine, 1 part of pentafluorobutane, 0.7 part of tetrafluoroethane, 3 parts of hydrated alumina, 2 parts of diphenyl cresylphosphate, 3 parts of polydimethylsiloxane, 2 parts of polymethylhydrosiloxane, 1 part of ethanolamine, 2 parts of zirconium oxychloride, 3 parts of zinc acetate, 2 parts of polybutadiene and 0.3 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 2min at a speed of 200r/min to obtain the stock material 1;
s2, preparing a prepolymer, mixing polyether polyol and isocyanate, and stirring at 300r/min for 3min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 400r/min for 5min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 400r/min for 8min to obtain a polyurethane foaming product.
Example 2
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 80 parts of polyether polyol, 60 parts of isocyanate, 20 parts of deionized water, 7 parts of silicone oil, 2 parts of n-pentane, 1.5 parts of ethylene glycol, 7 parts of polyether modified polysiloxane, 3 parts of paraffin, 6 parts of pentamethyl diethylenetriamine, 3 parts of dimethylcyclohexylamine, 8 parts of dimethylbenzylamine, 1.6 parts of pentafluorobutane, 1.6 parts of tetrafluoroethane, 5 parts of hydrated alumina, 4 parts of diphenyl cresylphosphate, 5 parts of polydimethylsiloxane, 5 parts of polymethylhydrosiloxane, 3 parts of ethanolamine, 4 parts of zirconium oxychloride, 6 parts of zinc acetate, 6 parts of polybutadiene and 0.6 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 6min at a speed of 600r/min to obtain the stock material 1;
s2, preparing a prepolymer, namely mixing polyether polyol and isocyanate, and stirring at 400r/min for 4min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 800r/min for 7min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 600r/min for 10min to obtain a polyurethane foaming product.
Example 3
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 60 parts of polyether polyol, 40 parts of isocyanate, 10 parts of deionized water, 3 parts of silicone oil, 0.8 part of n-pentane, 0.7 part of ethylene glycol, 3 parts of polyether modified polysiloxane, 1 part of paraffin, 3 parts of pentamethyl diethylenetriamine, 1 part of dimethylcyclohexylamine, 3 parts of dimethylbenzylamine, 1 part of pentafluorobutane, 0.7 part of tetrafluoroethane, 3 parts of hydrated alumina, 2 parts of diphenyl cresylphosphate, 3 parts of polydimethylsiloxane, 2 parts of polymethylhydrosiloxane, 1 part of ethanolamine, 2 parts of zirconium oxychloride, 3 parts of zinc acetate, 2 parts of polybutadiene and 0.3 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 6min at a speed of 600r/min to obtain the stock material 1;
s2, preparing a prepolymer, namely mixing polyether polyol and isocyanate, and stirring at 400r/min for 4min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 800r/min for 7min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 600r/min for 10min to obtain a polyurethane foaming product.
Example 4
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 80 parts of polyether polyol, 60 parts of isocyanate, 20 parts of deionized water, 7 parts of silicone oil, 2 parts of n-pentane, 1.5 parts of ethylene glycol, 7 parts of polyether modified polysiloxane, 3 parts of paraffin, 6 parts of pentamethyl diethylenetriamine, 3 parts of dimethylcyclohexylamine, 8 parts of dimethylbenzylamine, 1.6 parts of pentafluorobutane, 1.6 parts of tetrafluoroethane, 5 parts of hydrated alumina, 4 parts of diphenyl cresylphosphate, 5 parts of polydimethylsiloxane, 5 parts of polymethylhydrosiloxane, 3 parts of ethanolamine, 4 parts of zirconium oxychloride, 6 parts of zinc acetate, 6 parts of polybutadiene and 0.6 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 2min at a speed of 200r/min to obtain the stock material 1;
s2, preparing a prepolymer, mixing polyether polyol and isocyanate, and stirring at 300r/min for 3min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 400r/min for 5min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 400r/min for 8min to obtain a polyurethane foaming product.
Example 5
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 64 parts of polyether polyol, 43 parts of isocyanate, 13 parts of deionized water, 3.3 parts of silicone oil, 1 part of n-pentane, 0.9 part of ethylene glycol, 4 parts of polyether modified polysiloxane, 1.2 parts of paraffin, 3.8 parts of pentamethyl diethylenetriamine, 1.2 parts of dimethylcyclohexylamine, 3.4 parts of dimethylbenzylamine, 1.15 parts of pentafluorobutane, 0.9 part of tetrafluoroethane, 3.8 parts of hydrated alumina, 2.2 parts of diphenyl toluate phosphate, 3.2 parts of polydimethylsiloxane, 2.3 parts of polymethylhydrosiloxane, 1.1 parts of ethanolamine, 2.2 parts of zirconium oxychloride, 3.4 parts of zinc acetate, 2.1 parts of polybutadiene and 0.42 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 2min at a speed of 200r/min to obtain the stock material 1;
s2, preparing a prepolymer, mixing polyether polyol and isocyanate, and stirring at 300r/min for 3min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 400r/min for 5min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 600r/min for 8min to obtain a polyurethane foaming product.
Example 6
The formula of the polyurethane foaming product with the good oil-repellent effect comprises the following components in parts by weight: 85 parts of polyether polyol, 58 parts of isocyanate, 18 parts of deionized water, 6.1 parts of silicone oil, 1.8 parts of n-pentane, 1.4 parts of ethylene glycol, 5.9 parts of polyether modified polysiloxane, 2.3 parts of paraffin, 6.8 parts of pentamethyl diethylenetriamine, 2.8 parts of dimethyl cyclohexylamine, 6.8 parts of dimethyl benzylamine, 1.43 parts of pentafluorobutane, 1.22 parts of tetrafluoroethane, 4.65 parts of hydrated alumina, 3.35 parts of diphenyl toluate phosphate, 4.1 parts of polydimethylsiloxane, 4.6 parts of polymethylhydrosiloxane, 2.4 parts of ethanolamine, 3.5 parts of zirconium oxychloride, 5.5 parts of zinc acetate, 4.8 parts of polybutadiene and 0.53 part of trioctyl phosphate.
The invention also provides a preparation method of the polyurethane foaming product with good oil-repellent effect, which comprises the following steps:
s1, preparing a stock material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 6min at a speed of 600r/min to obtain the stock material 1;
s2, preparing a prepolymer, namely mixing polyether polyol and isocyanate, and stirring at 400r/min for 4min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2, mixing, and stirring at 800r/min for 7min to obtain the stock 2;
and S4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at 600r/min for 10min to obtain a polyurethane foaming product.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The formula of the polyurethane foaming product with good oil-repellent effect is characterized in that: the polyurethane foaming product with good oil-repellent effect is prepared from the following components in parts by weight: 60-80 parts of polyether polyol, 40-60 parts of isocyanate, 10-20 parts of deionized water, 3-7 parts of silicone oil, 0.8-2 parts of n-pentane, 0.7-1.5 parts of ethylene glycol, 3-7 parts of polyether modified polysiloxane, 1-3 parts of paraffin, 3-6 parts of pentamethyl diethylenetriamine, 1-3 parts of dimethylcyclohexylamine and 3-8 parts of dimethylbenzylamine, 1-1.6 parts of pentafluorobutane, 0.7-1.6 parts of tetrafluoroethane, 3-5 parts of hydrated alumina, 2-4 parts of diphenyl cresylphosphate, 3-5 parts of polydimethylsiloxane, 2-5 parts of polymethylhydrosiloxane, 1-3 parts of ethanolamine, 2-4 parts of zirconium oxychloride, 3-6 parts of zinc acetate, 2-6 parts of polybutadiene and 0.3-0.6 part of trioctyl phosphate.
2. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the weight ratio of polyether polyol, isocyanate and deionized water is 88-70: 70-46: 12-19.
3. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the weight ratio of polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene is 2.4-5.3: 1.8-4.2: 1.4-3.9: 1.5-4.8: 3-5.3: 4.8-6.6.
4. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the weight ratio of the silicone oil to the n-pentane to the glycol is 3.2-7.6: 0.6-1.6: 0.6-1.7.
5. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the weight ratio of pentamethyldiethylenetriamine, dimethylcyclohexylamine, dimethylbenzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina to tolyldiphenyl phosphate is 3.8-6.5: 1.4-3.35: 3.5-7.2: 1.2-2: 0.62-1.9: 4-5: 2.5-49.
6. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the weight ratio of trioctyl phosphate, polyether modified polysiloxane and paraffin is 0.33-0.7: 6-10: 2-6.
7. The polyurethane foam product formula with good oil-repellent effect according to claim 1, characterized in that: the polyurethane foaming product with good oil-repellent effect is prepared from the following components in parts by weight: 64-85 parts of polyether polyol, 43-58 parts of isocyanate, 13-18 parts of deionized water, 3.3-6.1 parts of silicone oil, 1-1.8 parts of n-pentane, 0.9-1.4 parts of ethylene glycol, 4-5.9 parts of polyether modified polysiloxane, 1.2-2.3 parts of paraffin, 3.8-6.8 parts of pentamethyl diethylenetriamine, 1.2-2.8 parts of dimethylcyclohexylamine, 3.4-6.8 parts of dimethylbenzylamine, 1.15-1.43 parts of pentafluorobutane, 0.9-1.22 parts of tetrafluoroethane, 3.8-4.65 parts of hydrated alumina, 2.2-3.35 parts of diphenyl cresylphosphate, 3.2-4.1 parts of polydimethylsiloxane, 2.3-4.6 parts of polymethylhydrosiloxane, 1.1-2.4 parts of ethanolamine, 2.2-3.5 parts of zirconium oxychloride, 3.4-5.5 parts of zinc acetate, 2.1-4.8 parts of polybutadiene and 0.42-0.53 part of trioctyl phosphate.
8. A method for preparing the polyurethane foam product with good oil-repellent effect according to claim 1, which is characterized in that: the method comprises the following steps:
s1, preparing a material 1, namely mixing polydimethylsiloxane, polymethylhydrosiloxane, ethanolamine, zirconium oxychloride, zinc acetate and polybutadiene, and stirring for 2-6min at the speed of 200-600r/min to obtain the material 1;
s2, preparing a prepolymer, mixing polyether polyol and isocyanate, and stirring at 400r/min for 3-4min to obtain the prepolymer for later use;
s3, preparing a stock 2, namely adding silicone oil, polyether modified polysiloxane, paraffin parts, pentamethyl diethylenetriamine, dimethyl cyclohexylamine, dimethyl benzylamine, pentafluorobutane, tetrafluoroethane, hydrated alumina, toluene diphenyl phosphate and trioctyl phosphate into the prepolymer obtained in the S2 for mixing, and stirring for 5-7min at the speed of 400 plus materials and 800r/min to obtain the stock 2;
s4, mixing the stock 2 obtained in the step S3 with deionized water, n-pentane, ethylene glycol and the stock 1 obtained in the step S1, and stirring at the speed of 400-.
9. The preparation method of camellia oleifera for pregnant women according to claim 8, wherein the preparation method comprises the following steps: the isocyanate comprises toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate and dicyclohexylmethane diisocyanate, and the using amount of the isocyanate is 2-3: 1-1.1: 1.1-2: 0.4-0.6.
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Application publication date: 20201120 |