CN113278352A - Water-based plastic replacement oil and preparation method thereof - Google Patents
Water-based plastic replacement oil and preparation method thereof Download PDFInfo
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- CN113278352A CN113278352A CN202110609297.1A CN202110609297A CN113278352A CN 113278352 A CN113278352 A CN 113278352A CN 202110609297 A CN202110609297 A CN 202110609297A CN 113278352 A CN113278352 A CN 113278352A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/42—Gloss-reducing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses aqueous plastic-replacing oil and a preparation method thereof, belonging to the technical field of printing ink and preparation methods thereof. The oil has good glossiness after being applied, the film surface has good yellowing resistance, and the oil can be applied to packaging paperboard coatings of medical treatment, electronic equipment, cosmetics, education and the like, and can replace the prior non-degradability of film coating, plastic coating and the like.
Description
Technical Field
The invention relates to the technical field of printing ink and a preparation method thereof, in particular to water-based plastic replacing oil and a preparation method thereof.
Background
The plastic products are the general name of articles for daily use, industry and the like which are processed by adopting plastics as main raw materials. Including products of all processes of injection molding, plastic uptake and the like which take plastics as raw materials. Plastics are a class of synthetic polymeric materials having plasticity. It, synthetic rubber and synthetic fiber form three essential synthetic materials for daily life. Specifically, the plastic is a material which is prepared by using natural or synthetic resin as a main component, adding various additives, and molding into a certain shape under certain conditions such as temperature and pressure, and the shape is kept unchanged at normal temperature.
The water-based plastic-replacing oil is a mature novel environment-friendly thermoplastic water-based polyurethane material which is supposed to be transported by the global plastic-limiting order, and the water-based plastic-replacing oil on the market at present mainly aims at the film-coating process of the tobacco and wine cosmetic market.
Disclosure of Invention
The invention provides water-based plastic-replacing oil and a preparation method thereof, aiming at solving the problem that the water-based plastic-replacing oil product in the prior art is single, and the content of the invention is as follows:
the first purpose of the invention is to provide water-based plastic-replacing oil, which is characterized in that: the water-based plastic-replacing oil comprises, by weight, 60-80 parts of water-based polyurethane emulsion, 10-20 parts of water-based acrylic emulsion, 2-4 parts of wax powder, 2-4 parts of matting powder, 0.5-2 parts of organic silicon and 20-40 parts of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 3-5h at the temperature of 50-70 ℃ to obtain a mixed material A;
step three, neutralization reaction: measuring the content of the isocyanic acid radical in the mixed material A, when the ratio of the isocyanic acid radical to hydroxyl is 1.0-1.8, cooling to below 50 ℃, dispersing at the rotating speed of 5000-4000 rmp, and then adding triethylamine at the rotating speed of 3000-4000rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: adding deionized water into the mixed material B obtained in the third step, performing dispersion emulsification for 1-2h at the temperature of 10-20 ℃ and at the rotating speed of 5000-8000rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
In a further embodiment of the present invention, the aqueous polyurethane emulsion in the aqueous plastic oil replacement formulation system has a pH of 7 to 9, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 10 to 20mpa.s, and/or the solids content of the aqueous polyurethane emulsion is 29 to 31 wt.%.
In a further embodiment of the present invention, the pH of the aqueous acrylic emulsion in the aqueous plastic oil replacement formulation system is 7-9, and/or the viscosity of the aqueous acrylic emulsion at 25 ℃ is 100-1000mpa.s, and/or the solids content of the aqueous acrylic emulsion is 30-45 wt.%.
In some embodiments of the present invention, in the above method for preparing an aqueous polyurethane emulsion in an aqueous plastic oil-replacing formulation system, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate in step one is (1-3): 1.
in some embodiments of the present invention, in the above method for preparing the aqueous polyurethane emulsion in the aqueous plastic oil replacement formulation system, the additive in the second step is a modified organosilicon additive, and the catalyst is an organotin catalyst.
In some embodiments of the present invention, the wax powder in the aqueous plastic oil replacement formulation system is a modified amide wax powder.
In some embodiments of the present invention, the matting powder in the aqueous plastic oil replacement formulation system is a silica matting powder.
In some embodiments of the present invention, the silicone in the aqueous plastic oil replacement formulation system is a small molecule organosiloxane containing amino, hydroxyl, and epoxy groups.
The second purpose of the invention is to provide a preparation method of water-based plastic replacement oil, which has the technical points that: the preparation method of the water-based plastic replacement oil comprises the following steps: dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 1-3h at the rotating speed of 800-.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
the invention provides aqueous plastic-replacing oil and a preparation method thereof, wherein a formula system of the aqueous plastic-replacing oil comprises aqueous polyurethane emulsion, aqueous acrylic emulsion, wax powder, matting powder, organic silicon and water, and the aqueous plastic-replacing oil has the characteristics of excellent high tension, high tensile force, toughness, wear resistance, folding and explosion resistance, water resistance, aging resistance and the like, and has good adhesion with ink, no after-tack and excellent cohesiveness. The oil has good glossiness after being applied, the film surface has good yellowing resistance, and the oil can be applied to packaging paperboard coatings of medical treatment, electronic equipment, cosmetics, education and the like, and can replace the prior non-degradability of film coating, plastic coating and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Example 1
A water-based plastic-replacing oil comprises 70kg of water-based polyurethane emulsion, 15kg of water-based acrylic emulsion, 3kg of wax powder, 3kg of matting powder, 1kg of organic silicon and 30kg of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 4 hours at the temperature of 60 ℃ to obtain a mixed material A;
step three, neutralization reaction: measuring the content of the isocyanic acid radical in the mixed material A, when the ratio of the isocyanic acid radical to hydroxyl is 1.4, cooling to below 50 ℃, dispersing at the rotating speed of 6500rmp, and then adding triethylamine at the rotating speed of 3500rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: and (3) adding deionized water into the mixed material B obtained in the third step, dispersing and emulsifying for 1.5h at the temperature of 15 ℃ and the rotating speed of 6500rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
Wherein the pH value of the aqueous polyurethane emulsion in the aqueous plastic-replacing oil formula system is 8, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 15mPa.s, and/or the solid content of the aqueous polyurethane emulsion is 30 wt.%.
Wherein the pH value of the aqueous acrylic emulsion in the aqueous plastic oil replacing formula system is 8, and/or the viscosity of the aqueous acrylic emulsion at 25 ℃ is 500mPa.s, and/or the solid content of the aqueous acrylic emulsion is 38 wt.%.
In the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate in the first step is 2: 1.
in the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the auxiliary agent in the second step is a modified organic silicon auxiliary agent, and the catalyst is an organic tin catalyst.
Wherein, the wax powder in the aqueous plastic-replacing oil formula system is modified amide wax powder.
Wherein, the matting powder in the aqueous plastic oil replacing formula system is silicon dioxide matting powder.
In some embodiments of the present invention, the silicone in the aqueous plastic oil replacement formulation system is a small molecule organosiloxane containing amino, hydroxyl, and epoxy groups.
According to the formula, the preparation method of the water-based plastic replacement oil comprises the following steps: and dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 2 hours at the rotating speed of 1000rmp by a 16KW dispersing machine to obtain the waterborne plastic replacing oil.
The water-based plastic-replacing oil film prepared in the example is coated with a 10-micron wire rod, is folded for 500 times without bursting, and shows that the water-based plastic-replacing oil has good kneading resistance. And the water-based plastic replacing oil is tested for 500 times by a 4-pound abrasion resistance instrument without obvious scratch, which indicates that the water-based plastic replacing oil has scratch resistance. The residual mass of the water-based plastic oil replacing soil prepared in the embodiment is less than 50% after being buried for one month.
Example 2
A water-based plastic-replacing oil comprises 60kg of water-based polyurethane emulsion, 10kg of water-based acrylic emulsion, 2kg of wax powder, 2kg of matting powder, 0.5kg of organic silicon and 20kg of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 3 hours at the temperature of 50 ℃ to obtain a mixed material A;
step three, neutralization reaction: measuring the content of the isocyanic acid radical in the mixed material A, when the ratio of the isocyanic acid radical to hydroxyl is 1.0, cooling to below 50 ℃, dispersing at the rotating speed of 5000rmp, and then adding triethylamine at the rotating speed of 3000rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: and (3) adding deionized water into the mixed material B obtained in the third step, dispersing and emulsifying for 1h at the temperature of 10 ℃ and at the rotating speed of 5000rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
Wherein the pH value of the aqueous polyurethane emulsion in the aqueous plastic-replacing oil formula system is 7, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 10mPa.s, and/or the solid content of the aqueous polyurethane emulsion is 29 wt.%.
Wherein the pH value of the aqueous acrylic emulsion in the aqueous plastic oil replacing formula system is 7, and/or the viscosity of the aqueous acrylic emulsion at 25 ℃ is 100mPa.s, and/or the solid content of the aqueous acrylic emulsion is 30 wt.%.
In the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate in the first step is 1: 1.
in the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the auxiliary agent in the second step is a modified organic silicon auxiliary agent, and the catalyst is an organic tin catalyst.
Wherein, the wax powder in the aqueous plastic-replacing oil formula system is modified amide wax powder.
Wherein, the matting powder in the aqueous plastic oil replacing formula system is silicon dioxide matting powder.
In some embodiments of the present invention, the silicone in the aqueous plastic oil replacement formulation system is a small molecule organosiloxane containing amino, hydroxyl, and epoxy groups.
According to the formula, the preparation method of the water-based plastic replacement oil comprises the following steps: and dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 1 hour at the rotating speed of 800rmp by a 16KW dispersion machine to obtain the waterborne plastic replacing oil.
The water-based plastic-replacing oil film prepared in the example is coated with a 10-micron wire rod, is folded for 500 times without bursting, and shows that the water-based plastic-replacing oil has good kneading resistance. And the water-based plastic replacing oil is tested for 500 times by a 4-pound abrasion resistance instrument without obvious scratch, which indicates that the water-based plastic replacing oil has scratch resistance. The residual mass of the water-based plastic oil replacing soil prepared in the embodiment is less than 50% after being buried for one month.
Example 3
A water-based plastic-replacing oil comprises 80kg of water-based polyurethane emulsion, 20kg of water-based acrylic emulsion, 4kg of wax powder, 4kg of matting powder, 2kg of organic silicon and 40kg of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 5 hours at the temperature of 70 ℃ to obtain a mixed material A;
step three, neutralization reaction: measuring the content of the isocyanic acid radical in the mixed material A, when the ratio of the isocyanic acid radical to hydroxyl is 1.8, cooling to below 50 ℃, dispersing at the rotating speed of 8000rmp, and then adding triethylamine at the rotating speed of 4000rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: and (3) adding deionized water into the mixed material B obtained in the third step, dispersing and emulsifying for 2h at the temperature of 20 ℃ and at the rotating speed of 8000rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
Wherein the pH value of the aqueous polyurethane emulsion in the aqueous plastic-replacing oil formula system is 7-9, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 20mPa.s, and/or the solid content of the aqueous polyurethane emulsion is 31 wt.%.
Wherein the pH value of the aqueous acrylic emulsion in the aqueous plastic oil replacing formula system is 9, the viscosity of the aqueous acrylic emulsion at 25 ℃ is 1000mPa.s, and/or the solid content of the aqueous acrylic emulsion is 45 wt.%.
Wherein, in the first step of the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate is 3: 1.
in the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the auxiliary agent in the second step is a modified organic silicon auxiliary agent, and the catalyst is an organic tin catalyst.
Wherein, the wax powder in the aqueous plastic-replacing oil formula system is modified amide wax powder.
Wherein, the matting powder in the aqueous plastic oil replacing formula system is silicon dioxide matting powder.
In some embodiments of the present invention, the silicone in the aqueous plastic oil replacement formulation system is a small molecule organosiloxane containing amino, hydroxyl, and epoxy groups.
According to the formula, the preparation method of the water-based plastic replacement oil comprises the following steps: and dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 3 hours at a rotating speed of 1200rmp by a 16KW dispersing machine to obtain the waterborne plastic replacing oil.
The water-based plastic-replacing oil film prepared in the example is coated with a 10-micron wire rod, is folded for 500 times without bursting, and shows that the water-based plastic-replacing oil has good kneading resistance. And the water-based plastic replacing oil is tested for 500 times by a 4-pound abrasion resistance instrument without obvious scratch, which indicates that the water-based plastic replacing oil has scratch resistance. The residual mass of the water-based plastic oil replacing soil prepared in the embodiment is less than 50% after being buried for one month.
Example 4
A water-based plastic-replacing oil comprises 65kg of water-based polyurethane emulsion, 12kg of water-based acrylic emulsion, 2.5kg of wax powder, 2.5kg of matting powder, 0.8kg of organic silicon and 25kg of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 3.5 hours at the temperature of 55 ℃ to obtain a mixed material A;
step three, when 1.21.0-1.8 is carried out, the temperature is reduced to below 50 ℃, dispersion is carried out at the rotating speed of 6000rmp, and then triethylamine is added at the rotating speed of 3500rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: and (3) adding deionized water into the mixed material B obtained in the third step, dispersing and emulsifying for 1h at the temperature of 12 ℃ and the rotating speed of 6000rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
Wherein the pH value of the aqueous polyurethane emulsion in the aqueous plastic-replacing oil formula system is 8, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 12mPa.s, and/or the solid content of the aqueous polyurethane emulsion is 29 wt.%.
Wherein the pH value of the aqueous acrylic emulsion in the aqueous plastic oil replacing formula system is 8, and/or the viscosity of the aqueous acrylic emulsion at 25 ℃ is 200mPa.s, and/or the solid content of the aqueous acrylic emulsion is 40 wt.%.
In the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate in the first step is 2: 1.
in the preparation method of the aqueous polyurethane emulsion in the aqueous plastic oil replacing formula system, the auxiliary agent in the second step is a modified organic silicon auxiliary agent, and the catalyst is an organic tin catalyst.
Wherein, the wax powder in the aqueous plastic-replacing oil formula system is modified amide wax powder.
Wherein, the matting powder in the aqueous plastic oil replacing formula system is silicon dioxide matting powder.
In some embodiments of the present invention, the silicone in the aqueous plastic oil replacement formulation system is a small molecule organosiloxane containing amino, hydroxyl, and epoxy groups.
According to the formula, the preparation method of the water-based plastic replacement oil comprises the following steps: and dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 2 hours at the rotating speed of 900rmp by a 16KW dispersing machine to obtain the waterborne plastic replacing oil.
The water-based plastic-replacing oil film prepared in the example is coated with a 10-micron wire rod, is folded for 500 times without bursting, and shows that the water-based plastic-replacing oil has good kneading resistance. And the water-based plastic replacing oil is tested for 500 times by a 4-pound abrasion resistance instrument without obvious scratch, which indicates that the water-based plastic replacing oil has scratch resistance. The residual mass of the water-based plastic oil replacing soil prepared in the embodiment is less than 50% after being buried for one month.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The water-based plastic replacement oil is characterized in that: the water-based plastic-replacing oil comprises, by weight, 60-80 parts of water-based polyurethane emulsion, 10-20 parts of water-based acrylic emulsion, 2-4 parts of wax powder, 2-4 parts of matting powder, 0.5-2 parts of organic silicon and 20-40 parts of water.
The preparation method of the waterborne polyurethane emulsion comprises the following steps:
step one, preparation of a prepolymer: and pumping the polyester polyol and the diphenylmethane diisocyanate into a reaction kettle according to the proportion at normal temperature and normal pressure, and starting a stirring device to stir the materials to prepare the waterborne polyurethane prepolymer.
Step two, reflux reaction: adding an auxiliary agent and a catalyst into the waterborne polyurethane prepolymer prepared in the step one, and carrying out reflux reaction for 3-5h at the temperature of 50-70 ℃ to obtain a mixed material A;
step three, neutralization reaction: measuring the content of the isocyanic acid radical in the mixed material A, when the ratio of the isocyanic acid radical to hydroxyl is 1.0-1.8, cooling to below 50 ℃, dispersing at the rotating speed of 5000-4000 rmp, and then adding triethylamine at the rotating speed of 3000-4000rmp for neutralization reaction to obtain a mixed material B;
step four, chain extension reaction: adding deionized water into the mixed material B obtained in the third step, performing dispersion emulsification for 1-2h at the temperature of 10-20 ℃ and at the rotating speed of 5000-8000rmp, and then adding ethylenediamine and dimethylolbutyric acid for chain extension reaction to generate the waterborne polyurethane emulsion.
2. The aqueous plastic replacement oil as claimed in claim 1, wherein: the pH value of the aqueous polyurethane emulsion is 7-9, and/or the viscosity of the aqueous polyurethane emulsion at 25 ℃ is 10-20mPa.s, and/or the solid content of the aqueous polyurethane emulsion is 29-31 wt.%.
3. The aqueous plastic replacement oil as claimed in claim 1, wherein: the pH value of the aqueous acrylic emulsion is 7-9, and/or the viscosity of the aqueous acrylic emulsion at 25 ℃ is 100-1000mPa.s, and/or the solid content of the aqueous acrylic emulsion is 30-45 wt.%.
4. The aqueous plastic replacement oil as claimed in claim 1, wherein: in the first step, the weight ratio of the polyester polyol to the diphenylmethane diisocyanate is (1-3): 1.
5. the aqueous plastic replacement oil as claimed in claim 1, wherein: and in the second step, the auxiliary agent is a modified organic silicon auxiliary agent, and the catalyst is an organic tin catalyst.
6. The aqueous plastic replacement oil as claimed in claim 1, wherein: the wax powder is modified amide wax powder.
7. The aqueous plastic replacement oil as claimed in claim 1, wherein: the matting powder is silicon dioxide matting powder.
8. The aqueous plastic replacement oil as claimed in claim 1, wherein: the organic silicon is micromolecular organic siloxane containing amino, hydroxyl and epoxy groups.
9. The preparation method of the aqueous plastic replacement oil as claimed in claim 1, wherein the preparation method comprises the following steps: the preparation method of the water-based plastic replacement oil comprises the following steps: dispersing the waterborne polyurethane emulsion, the waterborne acrylic emulsion, the wax powder, the matting powder, the organic silicon and the water for 1-3h at the rotating speed of 800-.
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| CN114015336A (en) * | 2021-11-12 | 2022-02-08 | 中山市诺必佳光学材料有限公司 | Scratch-resistant and wear-resistant folding-resistant explosion-proof water-based plastic replacement oil and preparation method thereof |
| CN114605904A (en) * | 2022-04-01 | 2022-06-10 | 鸣鸿智造科技(苏州)有限公司 | Aqueous composition for inner coating of medical gloves instead of chlorine washing process |
| CN114855503A (en) * | 2022-05-24 | 2022-08-05 | 广东佰合新材料科技股份有限公司 | Biodegradable water-based plastic replacement oil and preparation method thereof |
| CN116397458A (en) * | 2023-03-27 | 2023-07-07 | 绿天鹅新材料(北京)有限公司 | Water-based plastic-replacing coating and preparation method thereof |
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Application publication date: 20210820 |