CN111592687A - Thermoplastic elastomer anti-sticking agent and preparation method and application thereof - Google Patents
Thermoplastic elastomer anti-sticking agent and preparation method and application thereof Download PDFInfo
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- CN111592687A CN111592687A CN202010463260.8A CN202010463260A CN111592687A CN 111592687 A CN111592687 A CN 111592687A CN 202010463260 A CN202010463260 A CN 202010463260A CN 111592687 A CN111592687 A CN 111592687A
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- fatty acid
- thermoplastic elastomer
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- amide
- sticking agent
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
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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
- C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a thermoplastic elastomer anti-sticking agent, a preparation method and application thereof, which are composed of fatty acid amide or fatty acid ethanol amide, solvent and water, wherein the mass percent of each component is as follows: 5-50% fatty acid amide or fatty acid ethanolamide, 5-50% solvent and 0-90% water; the fatty acid amide or fatty acid ethanol amide is prepared by reacting fatty acid with amine compound, wherein the carbon number of the fatty acid carbon chain is 12-22, and the solvent is isopropanol, ethanol or methanol. The anti-sticking agent takes amide substances as main materials, can be dissolved in a xylene solvent, can be dissolved or dispersed with an elastomer in the solvent into a whole, can form a solid film after being dried to achieve the anti-sticking effect, and does not influence the production and molding of the elastomer; the anti-sticking agent is an organic matter consisting of C, H, O elements, does not contain metal elements or metal ions, and does not have chemical action with any catalyst or heavy metal ion treating agent.
Description
Technical Field
The invention relates to the technical field of elastomer anti-sticking, in particular to a thermoplastic elastomer anti-sticking agent and a preparation method and application thereof.
Background
Thermoplastic elastomers, such as styrene-butadiene-styrene block copolymer (SBS), styrene-ethylene-butylene-styrene block copolymer (SEBS), etc., are prone to adhesive blocking at normal temperature, and further affect subsequent use, so calcium stearate substances have been used as anti-blocking agents, such as anti-blocking agents and anti-blocking agents; however, when calcium stearate is used as a releasing agent, the release agent is liable to contaminate and damage the molding catalyst during molding of the elastomer, and the molding catalyst is liable to fail, so that it is necessary to develop a pure organic substance containing no metal ion or element as a releasing agent for rubber, which is an elastomer.
Disclosure of Invention
The invention overcomes the defects in the prior art, and the prior calcium stearate anti-sticking agent is easy to pollute and damage a forming catalyst to cause failure of the forming catalyst when an elastomer is formed, and provides a thermoplastic elastomer anti-sticking agent and a preparation method and application thereof.
The purpose of the invention is realized by the following technical scheme.
The thermoplastic elastomer anti-sticking agent consists of fatty acid amide or fatty acid ethanol amide, a solvent and water, wherein the mass percent of each component is as follows:
fatty acid amide or fatty acid ethanolamide 5-50%
5 to 50 percent of solvent
0 to 90 percent of water.
In the thermoplastic elastomer anti-sticking agent, 15-30% of fatty acid amide or fatty acid ethanol amide, 15-30% of solvent and 40-70% of water.
In the thermoplastic elastomer antiblocking agent, 20% of fatty acid amide or fatty acid ethanolamide, 20% of a solvent and 60% of water.
The fatty acid amide or fatty acid ethanolamide is prepared by reacting fatty acid with an amine compound, wherein the number of carbon atoms on a fatty acid carbon chain is 12-22.
The number of carbon atoms on the fatty acid carbon chain is 12-18.
The fatty acid amide or fatty acid ethanolamide is stearic acid amide, oleic acid amide, soybean oleic acid ethanolamide, palm kernel oil acid ethanolamide or coconut oil acid ethanolamide.
The solvent is isopropanol, ethanol or methanol.
A preparation method of a thermoplastic elastomer anti-sticking agent comprises the steps of mixing fatty acid amide or fatty acid ethanolamide with a solvent at 40-60 ℃ to obtain a mixed solvent, putting the mixed solvent into water at 40-60 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percent of the fatty acid amide or the fatty acid ethanolamide in the thermoplastic elastomer anti-sticking agent is 5-50%, the mass percent of the solvent in the thermoplastic elastomer anti-sticking agent is 5-50%, and the mass percent of the water in the thermoplastic elastomer anti-sticking agent is 0-90%.
In the thermoplastic elastomer anti-sticking agent, 15-30% of fatty acid amide or fatty acid ethanol amide, 15-30% of solvent and 40-70% of water.
In the thermoplastic elastomer antiblocking agent, 20% of fatty acid amide or fatty acid ethanolamide, 20% of a solvent and 60% of water.
The fatty acid amide or fatty acid ethanolamide is prepared by reacting fatty acid with an amine compound, wherein the number of carbon atoms on a fatty acid carbon chain is 12-22.
The number of carbon atoms on the fatty acid carbon chain is 12-18.
The fatty acid amide or fatty acid ethanolamide is stearic acid amide, oleic acid amide, soybean oleic acid ethanolamide, palm kernel oil acid ethanolamide or coconut oil acid ethanolamide.
The solvent is isopropanol, ethanol or methanol.
Use of a thermoplastic elastomer antiblock agent in an antiblock agent for thermoplastic elastomers (styrene-butadiene-styrene block copolymer (SBS) or styrene-ethylene-butylene-styrene block copolymer (SEBS)).
The invention has the beneficial effects that: the anti-sticking agent takes amide substances as main materials, can be dissolved in a dimethylbenzene solvent, can be dissolved and dispersed with an elastomer in the dimethylbenzene solvent into a whole, can form a solid film after being dried to achieve the anti-sticking effect, and does not influence the production and molding of the elastomer; the anti-sticking agent does not affect the color of the elastomer under the condition of low concentration and is in a colorless and transparent state; the anti-sticking agent is an organic matter consisting of C, H, O three elements, does not contain metal elements (ions), and does not have chemical action with any catalyst and heavy metal ion treating agent; the anti-sticking agent is composed of organic matters, does not contain halogen elements, and does not have adverse effects on the production process of the elastomer and the use of the elastomer; the anti-sticking agent contains amido bond, is easy to degrade and nontoxic, and does not affect the environment; the anti-sticking agent can meet the anti-sticking requirements of various thermoplastic elastomers by adjusting different molecular weights.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
The thermoplastic elastomer anti-sticking agent consists of soybean oil fatty acid ethanolamide, isopropanol and water, wherein the mass percent of each component is as follows:
20 percent of soybean oil fatty acid ethanol amide
20 percent of isopropanol
60% of water.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of mixing the soyabean oil fatty acid ethanolamide and the isopropanol at 50 ℃ to obtain a mixed solvent, placing the mixed solvent into water at 50 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percent of the soyabean oil fatty acid ethanolamide in the thermoplastic elastomer anti-sticking agent is 20%, the mass percent of the isopropanol in the thermoplastic elastomer anti-sticking agent is 20%, and the mass percent of the water in the thermoplastic elastomer anti-sticking agent is 60%.
Example two
The thermoplastic elastomer anti-sticking agent consists of palm kernel oil acid ethanolamide, ethanol and water, wherein the mass percentage of each component is as follows:
palm kernel oil acid ethanolamide 30%
30 percent of ethanol
40% of water.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of mixing palm kernel oleic acid ethanolamide and ethanol at 40 ℃ to obtain a mixed solvent, placing the mixed solvent into water at 40 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percentage of the palm kernel oleic acid ethanolamide in the thermoplastic elastomer anti-sticking agent is 30%, the mass percentage of the ethanol in the thermoplastic elastomer anti-sticking agent is 30%, and the mass percentage of the water in the thermoplastic elastomer anti-sticking agent is 40%.
EXAMPLE III
The thermoplastic elastomer anti-sticking agent consists of coconut oleic acid ethanol amide, methanol and water, wherein the mass percent of each component is as follows:
coconut oil acid ethanol amide 15%
Methanol 15 percent
70 percent of water.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of firstly mixing coconut oleic acid ethanolamide and methanol at 60 ℃ to obtain a mixed solvent, then placing the mixed solvent into water at 60 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percent of the coconut oleic acid ethanolamide in the thermoplastic elastomer anti-sticking agent is 15%, the mass percent of the methanol in the thermoplastic elastomer anti-sticking agent is 15%, and the mass percent of the water in the thermoplastic elastomer anti-sticking agent is 70%.
Example four
The thermoplastic elastomer anti-sticking agent consists of palmitoleic acid ethanolamide, isopropanol and water, wherein the mass percent of each component is as follows:
palmitoleic acid ethanolamide 5%
Isopropanol 5%
And (5) 90% of water.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of mixing palmitoleic acid ethanolamide and isopropanol at 55 ℃ to obtain a mixed solvent, placing the mixed solvent into water at 55 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the palmitoleic acid ethanolamide accounts for 5% by mass of the thermoplastic elastomer anti-sticking agent, the isopropanol accounts for 5% by mass of the thermoplastic elastomer anti-sticking agent, and the water accounts for 90% by mass of the thermoplastic elastomer anti-sticking agent.
EXAMPLE five
The thermoplastic elastomer anti-sticking agent consists of stearic acid amide and ethanol, wherein the mass percent of each component is as follows:
stearic acid amide 50%
50% of ethanol.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of firstly mixing stearic acid amide and ethanol at 60 ℃ to obtain the thermoplastic elastomer anti-sticking agent, wherein the mass percent of the stearic acid amide in the thermoplastic elastomer anti-sticking agent is 50%, and the mass percent of the ethanol in the thermoplastic elastomer anti-sticking agent is 50%.
EXAMPLE six
The thermoplastic elastomer anti-sticking agent consists of oleamide, ethanol and water, wherein the mass percent of each component is as follows:
oleic acid amide 40%
Ethanol 40%
And 20% of water.
The preparation method of the thermoplastic elastomer anti-sticking agent comprises the steps of firstly mixing oleamide and ethanol at 45 ℃ to obtain a mixed solvent, then placing the mixed solvent in water at 45 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percent of the oleamide in the thermoplastic elastomer anti-sticking agent is 40%, the mass percent of the ethanol in the thermoplastic elastomer anti-sticking agent is 40%, and the mass percent of the water in the thermoplastic elastomer anti-sticking agent is 20%.
Experimental example for testing anti-sticking effect
In the anti-sticking agent solution, the mass percent of the thermoplastic elastomer anti-sticking agent is 0.1-0.3%, and the solvent adopts dimethylbenzene solvent.
And (2) taking the thermoplastic elastomer with the surface not sprayed with the anti-sticking agent solution as a blank sample, taking the thermoplastic elastomer with the surface sprayed with the anti-sticking agent solution as a sample, respectively stacking the blank sample and the sample, respectively applying 7.5-15 kg of pressure to the stacked blank sample and the sample, removing the pressure after 5-10 days, observing the agglomeration phenomenon of the blank sample and the sample, and finally obtaining the sample with the loosening degree obviously better than that of the blank sample.
The thermoplastic elastomer is styrene-butadiene-styrene block copolymer (SBS) or styrene-ethylene-butylene-styrene block copolymer (SEBS).
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (10)
1. The thermoplastic elastomer anti-sticking agent is characterized in that: the solvent consists of fatty acid amide or fatty acid ethanol amide, solvent and water, wherein the mass percent of each component is as follows:
fatty acid amide or fatty acid ethanolamide 5-50%
5 to 50 percent of solvent
0-90% of water;
wherein the fatty acid amide or fatty acid ethanolamide is prepared by reacting fatty acid with amine compound, wherein the carbon number of the fatty acid carbon chain is 12-22, and the solvent is isopropanol, ethanol or methanol.
2. The thermoplastic elastomer antiblock agent according to claim 1, characterized in that: in the thermoplastic elastomer anti-sticking agent, 15-30% of fatty acid amide or fatty acid ethanol amide, 15-30% of solvent and 40-70% of water.
3. The thermoplastic elastomer antiblock agent according to claim 2, characterized in that: in the thermoplastic elastomer antiblocking agent, 20% of fatty acid amide or fatty acid ethanolamide, 20% of a solvent and 60% of water.
4. The thermoplastic elastomer antiblock agent according to claim 3, characterized in that: the number of carbon atoms in the fatty acid carbon chain is 12-18.
5. The thermoplastic elastomer antiblock agent according to claim 4, characterized in that: the fatty acid amide or fatty acid ethanolamide is stearic acid amide, oleic acid amide, soybean oleic acid ethanolamide, palm kernel oil acid ethanolamide or coconut oil acid ethanolamide.
6. The preparation method of the thermoplastic elastomer anti-sticking agent is characterized by comprising the following steps: at 40-60 ℃, firstly, mixing fatty acid amide or fatty acid ethanol amide with a solvent to obtain a mixed solvent, then placing the mixed solvent into water at 40-60 ℃, stirring to uniformly dissolve the mixed solvent, and finally obtaining the thermoplastic elastomer anti-sticking agent, wherein the mass percentage of the fatty acid amide or the fatty acid ethanol amide in the thermoplastic elastomer anti-sticking agent is 5-50%, the fatty acid amide or the fatty acid ethanol amide is prepared by reacting fatty acid with an amine compound, the carbon number of the fatty acid carbon chain is 12-22, the mass percentage of the solvent in the thermoplastic elastomer anti-sticking agent is 5-50%, the solvent is isopropanol, ethanol or methanol, and the mass percentage of the water in the thermoplastic elastomer anti-sticking agent is 0-90%.
7. The thermoplastic elastomer antiblock agent according to claim 6, characterized in that: in the thermoplastic elastomer antiblocking agent, 20% of fatty acid amide or fatty acid ethanolamide, 20% of a solvent and 60% of water.
8. The thermoplastic elastomer antiblock agent according to claim 7, characterized in that: in the thermoplastic elastomer anti-sticking agent, 15-30% of fatty acid amide or fatty acid ethanol amide, 15-30% of solvent and 40-70% of water are preferably mixed, and the mixture ratio is 20% of fatty acid amide or fatty acid ethanol amide, 20% of solvent and 60% of water.
9. The thermoplastic elastomer antiblock agent according to claim 6, characterized in that: the number of carbon atoms on the fatty acid carbon chain is 12-18, and the fatty acid amide or fatty acid ethanolamide adopts stearic acid amide, oleic acid amide, soybean oleic acid ethanolamide, palm kernel oleic acid ethanolamide or coconut oleic acid ethanolamide.
10. Use of a thermoplastic elastomer antiblock agent according to any one of claims 1 to 5 in an antiblock agent for thermoplastic elastomers, wherein: when the thermoplastic elastomer anti-sticking agent is used, a solution with the mass percent of 0.1-0.3% needs to be prepared and then sprayed on the surface of the thermoplastic elastomer, the solvent adopted by the solution of the thermoplastic elastomer anti-sticking agent is a xylene solvent, and the thermoplastic elastomer is a styrene-butadiene-styrene block copolymer or a styrene-ethylene-butylene-styrene block copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010463260.8A CN111592687A (en) | 2020-05-27 | 2020-05-27 | Thermoplastic elastomer anti-sticking agent and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010463260.8A CN111592687A (en) | 2020-05-27 | 2020-05-27 | Thermoplastic elastomer anti-sticking agent and preparation method and application thereof |
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| CN111592687A true CN111592687A (en) | 2020-08-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1777638A (en) * | 2003-05-01 | 2006-05-24 | 索鲁蒂亚公司 | Polyvinyl butyral sheet having antiblocking characteristics |
| US20150000566A1 (en) * | 2012-01-13 | 2015-01-01 | Clariant Finance (Bvi) Limited | Inorganic pigment dispersions containing fatty acid ethanol amide ethoxylates and amines |
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2020
- 2020-05-27 CN CN202010463260.8A patent/CN111592687A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1777638A (en) * | 2003-05-01 | 2006-05-24 | 索鲁蒂亚公司 | Polyvinyl butyral sheet having antiblocking characteristics |
| US20150000566A1 (en) * | 2012-01-13 | 2015-01-01 | Clariant Finance (Bvi) Limited | Inorganic pigment dispersions containing fatty acid ethanol amide ethoxylates and amines |
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Application publication date: 20200828 |