CN112210063A - Novel oil-resistant and temperature-resistant material and preparation method thereof - Google Patents
Novel oil-resistant and temperature-resistant material and preparation method thereof Download PDFInfo
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- CN112210063A CN112210063A CN202011057393.1A CN202011057393A CN112210063A CN 112210063 A CN112210063 A CN 112210063A CN 202011057393 A CN202011057393 A CN 202011057393A CN 112210063 A CN112210063 A CN 112210063A
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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
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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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
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to the technical field of new materials, and discloses an oil-resistant and temperature-resistant new material and a preparation method thereof, wherein the oil-resistant and temperature-resistant new material is prepared from the following raw materials in parts by weight: 70-210 parts of modified polyurethane, 25-75 parts of epoxy compound, 2-6 parts of assistant and 3-9 parts of black paste; the novel oil-resistant and temperature-resistant material disclosed by the invention greatly improves various performances, can be applied to a wire harness wrapping material and a filter sealant, and can be widely used in the fields with high safety guarantee such as automobiles, trucks and high-speed rails.
Description
Technical Field
The invention belongs to the technical field of new materials, and particularly relates to an oil-resistant and temperature-resistant new material and a preparation method thereof.
Background
In the fields of automobiles, trucks, high-speed rails and the like with high safety guarantee, a plurality of oil-resistant and high-temperature-resistant elements are required to be used, such as a wire harness wrapping material, a filter sealant and the like.
The existing material is difficult to meet the requirements of oil resistance and heat resistance, and the oil resistance and heat resistance materials are few, for example, nylon has the characteristics of oil resistance and temperature resistance, but the processing temperature is about 200 ℃, and the nylon cannot be applied to wire harness wrapping, so that a new oil resistance and temperature resistance material and a preparation method thereof are needed in the industry to solve the problems in the industry.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the novel oil-resistant and temperature-resistant material and the preparation method thereof, and the problems in the background art are effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme:
according to one aspect of the invention, a new oil-resistant and temperature-resistant material is provided.
The novel oil-resistant temperature-resistant material is prepared from the following raw materials in parts by mass:
70-210 parts of modified polyurethane, 25-75 parts of epoxy compound, 2-6 parts of assistant and 3-9 parts of black paste.
Preferably, the auxiliary agent is an amine catalyst.
Preferably, the black paste is a mixture of 20% of carbon black and 6000 molecular weight polyether polyol.
According to another aspect of the invention, a preparation method of the novel oil-resistant and temperature-resistant material is provided.
The preparation of the novel oil-resistant temperature-resistant material comprises the following steps:
s1: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
s2: temperature adjustment: the temperature of the polyether polyol and the modified isocyanate is kept between 22 and 25 ℃.
S3: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes.
S4: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with the traditional material, the material has the following advantages: adopting an ASTM3574 test method, wherein the tensile strength of the traditional material is 12MPa, the tensile strength of the material is 15MPa, the elongation of the traditional material is 150 percent, the elongation of the material is 180 percent, the tear strength of the traditional material is 36MPa, and the tear strength of the material is 38 MPa; after the high temperature of 120 ℃ or after aging for 1000 hours, the attenuation rate of the tensile strength of the traditional material is 28%, the attenuation rate of the tensile strength of the material is 16%, the attenuation rate of the elongation of the traditional material is 32%, the attenuation rate of the elongation of the material is 25%, the attenuation rate of the tear strength of the traditional material is 40%, the attenuation rate of the tear strength of the material is 36%, and various test results are integrated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
fig. 1 is a flow chart of a new oil-resistant and temperature-resistant material and a preparation method thereof according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the embodiment of the invention, a novel oil-resistant temperature-resistant material is provided.
The novel oil-resistant temperature-resistant material is prepared from the following raw materials in parts by mass:
70-210 parts of modified polyurethane, 25-75 parts of epoxy compound, 2-6 parts of assistant and 3-9 parts of black paste.
Wherein the auxiliary agent is an amine catalyst.
The black paste is a mixture of 20% of carbon black and 6000 molecular weight polyether polyol.
In order to clearly understand the technical scheme of the invention, the technical scheme of the invention is described in detail through specific examples.
Example one
The new oil-resistant and temperature-resistant material is prepared from the following raw materials in parts by mass:
70g of modified polyurethane, 25g of epoxy compound, 2g of assistant and 3g of black slurry.
Wherein the auxiliary agent is an amine catalyst.
The black paste is a mixture of 20% of carbon black and 6000 molecular weight polyether polyol.
The preparation of the new oil-resistant and temperature-resistant material comprises the following steps:
s1: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
s2: temperature adjustment: the temperature of the polyether polyol and the modified isocyanate is kept between 22 and 25 ℃.
S3: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes.
S4: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
Example two
The new oil-resistant and temperature-resistant material is prepared from the following raw materials in parts by mass:
140g of modified polyurethane, 50g of epoxy compound, 4g of auxiliary agent and 6g of black slurry.
Wherein the auxiliary agent is an amine catalyst.
The black paste is a mixture of 20% of carbon black and 6000 molecular weight polyether polyol.
The preparation of the new oil-resistant and temperature-resistant material comprises the following steps:
s1: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
s2: temperature adjustment: the temperature of the polyether polyol and the modified isocyanate is kept between 22 and 25 ℃.
S3: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes.
S4: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
EXAMPLE III
The new oil-resistant and temperature-resistant material is prepared from the following raw materials in parts by mass:
210g of modified polyurethane, 75g of epoxy compound, 6g of auxiliary agent and 9g of black slurry.
Wherein the auxiliary agent is an amine catalyst.
The black paste is a mixture of 20% of carbon black and 6000 molecular weight polyether polyol.
The preparation of the new oil-resistant and temperature-resistant material comprises the following steps:
s1: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
s2: temperature adjustment: the temperature of the polyether polyol and the modified isocyanate is kept between 22 and 25 ℃.
S3: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes.
S4: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the flow of the above solution of the present invention with reference to the accompanying drawings, and specifically is as follows:
according to the embodiment of the invention, the invention also provides a preparation method of the novel oil-resistant temperature-resistant material.
As shown in FIG. 1, in the actual production process, the preparation of the new oil-resistant and temperature-resistant material comprises the following steps:
step S101: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
step S103: temperature adjustment: the temperature of the polyether polyol and the modified isocyanate is kept between 22 and 25 ℃.
Step S105: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes.
Step S107: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
In summary, by means of the above technical solutions of the present invention, the material has the following advantages compared with the conventional material: adopting an ASTM3574 test method, wherein the tensile strength of the traditional material is 12MPa, the tensile strength of the material is 15MPa, the elongation of the traditional material is 150 percent, the elongation of the material is 180 percent, the tear strength of the traditional material is 36MPa, and the tear strength of the material is 38 MPa; after the high temperature of 120 ℃ or after aging for 1000 hours, the attenuation rate of the tensile strength of the traditional material is 28%, the attenuation rate of the tensile strength of the material is 16%, the attenuation rate of the elongation of the traditional material is 32%, the attenuation rate of the elongation of the material is 25%, the attenuation rate of the tear strength of the traditional material is 40%, the attenuation rate of the tear strength of the material is 36%, and various test results are integrated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The novel oil-resistant temperature-resistant material is characterized by being prepared from the following raw materials in parts by weight:
70-210 parts of modified polyurethane, 25-75 parts of epoxy compound, 2-6 parts of assistant and 3-9 parts of black paste.
2. The oil-resistant and temperature-resistant new material as claimed in claim 1, wherein the auxiliary is an amine catalyst.
3. The new oil-resistant temperature-resistant material as claimed in claim 1, wherein the black paste is a mixture of 20% carbon black and 6000 molecular weight polyether polyol.
4. The preparation method of the new oil-resistant and temperature-resistant material is characterized by being used for preparing the new oil-resistant and temperature-resistant material in the claim 1 and comprising the following steps of:
s1: preparation of polyether polyol and preparation of modified isocyanate: preparation of polyether polyol: uniformly mixing polytetrahydrofuran, an auxiliary agent comprising a catalyst and black slurry according to a set proportion, and preparing modified isocyanate: mixing isocyanate and an epoxy compound in proportion, and reacting for 4 hours at a set temperature and pressure to obtain an isocyanate-epoxy heterocyclic compound;
s2: temperature adjustment: keeping the temperature of polyether polyol and modified isocyanate at 22-25 ℃;
s3: mixing and reacting: mixing polyether polyol and isocyanate in proportion, injecting the mixture into a mold with a specified shape, and removing cured reactants after the reaction is finished for 5 to 10 minutes;
s4: packaging and storing: and (5) after the temperature of the product is reduced to room temperature and the hardness reaches the set hardness, packaging and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011057393.1A CN112210063A (en) | 2020-09-30 | 2020-09-30 | Novel oil-resistant and temperature-resistant material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011057393.1A CN112210063A (en) | 2020-09-30 | 2020-09-30 | Novel oil-resistant and temperature-resistant material and preparation method thereof |
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| CN112210063A true CN112210063A (en) | 2021-01-12 |
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| CN202011057393.1A Pending CN112210063A (en) | 2020-09-30 | 2020-09-30 | Novel oil-resistant and temperature-resistant material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838869A (en) * | 2012-09-21 | 2012-12-26 | 中国海洋石油总公司 | Epoxy resin-polyurethane hybridized high-temperature resisting heat-insulating material and preparation method |
| CN104559725A (en) * | 2015-01-26 | 2015-04-29 | 青岛理工大学 | Polyisocyanate oxazolidinone/polyurethane/epoxy material and preparation method thereof |
-
2020
- 2020-09-30 CN CN202011057393.1A patent/CN112210063A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838869A (en) * | 2012-09-21 | 2012-12-26 | 中国海洋石油总公司 | Epoxy resin-polyurethane hybridized high-temperature resisting heat-insulating material and preparation method |
| CN104559725A (en) * | 2015-01-26 | 2015-04-29 | 青岛理工大学 | Polyisocyanate oxazolidinone/polyurethane/epoxy material and preparation method thereof |
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Application publication date: 20210112 |
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