CN108410263B - Baoli paper water-based gloss oil and preparation method thereof - Google Patents
Baoli paper water-based gloss oil and preparation method thereof Download PDFInfo
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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Abstract
The polyester paper water-based varnish comprises the following raw materials in parts by weight: 50-68 parts of silicone-acrylic emulsion, 5-8 parts of wax assistant, 0.5-2 parts of hand feeling agent, 0.05-0.15 part of wetting agent, 10-17 parts of low molecular alcohol and 15.9-22.95 parts of deionized water; the self-made silicone-acrylic emulsion with a unique structure of 'inner crosslinking core-silicon-containing shell layer' is selected as the film-forming resin of the water-based gloss oil, the resin has good stain resistance and water resistance, and the water resistance and oil resistance of the water-based gloss oil product are ensured; the silicone-acrylate resin and the wax additive are matched for use, so that the compactness of a coating film on the surface of the gloss oil is enhanced, and the adhesive force and the scratch resistance of the coating film are ensured; the tape stripping resistance of the product is obviously superior to that of a commercially available oily gloss oil product; by the matching use of all the auxiliary agents, the storage stability and good anti-adhesion property of the water-based gloss oil product are ensured.
Description
(I) technical field
The invention relates to water-based varnish and a preparation method thereof, in particular to water-based varnish capable of being applied to the printing surface of polyester paper and a preparation method thereof.
(II) background of the invention
The Baoli paper is an ornament made of 30-50 g of base paper through printing, belongs to one of furniture papers, and can be directly attached to the surface of a furniture board through a machine or manually attached to the surface of the furniture board to play a role in decoration and protection. The decoration effect is mainly provided by an ink layer on the Baoli paper, and the protection effect is provided by a gloss oil layer on the ink layer. The traditional Baoli paper ink and gloss oil are solvent-based, and the water-based process of the Baoli paper ink and gloss oil is increasingly urgent in view of the current severe environment-friendly situation.
Disclosure of the invention
The invention aims to provide a polyester paper water-based gloss oil and a preparation method thereof.
The technical scheme of the invention is as follows:
the Baoli paper water-based gloss oil is prepared from the following raw materials in parts by weight:
50-68 parts of silicone-acrylic emulsion, 5-8 parts of wax assistant, 0.5-2 parts of hand feeling agent, 0.05-0.15 part of wetting agent, 10-17 parts of low molecular alcohol and 15.9-22.95 parts of deionized water.
The preparation method of the Baoli paper water-based gloss oil comprises the following steps:
(1) adding 0.5-2 parts of hand feeling agent, 0.05-0.15 part of wetting agent, 10-17 parts of low molecular alcohol and 8-10 parts of deionized water into a dispersing sand mill, and stirring at the speed of 2000-3000rpm for 0.5-1h to obtain a dispersion for later use;
(2) adding 50-68 parts of silicone-acrylic emulsion, 5-8 parts of wax additive and 7.9-12.95 parts of deionized water into a dispersing sand mill, uniformly stirring and mixing at the speed of 300-500rpm, then adding the dispersion liquid obtained in the step (1), keeping the rotating speed, continuously stirring for 0.5-1h, filtering and discharging to obtain the Baoli paper water-based gloss oil.
In the invention, the wax auxiliary agent is one or a mixture of more than two of oxidized polymer wax and modified polyester wax in any proportion; such as VISCOCER 1017 (CERONAS), VISCOCER 2016 (CERONAS), MD-2042 (KEIM); such as ADDIMER 696(cerona corporation), ADDIMER 697(cerona corporation), and particularly preferably MD-2042(KEIM corporation).
The hand feeling agent is an organic silicon hand feeling agent, and specifically is a mixture of one or more than two of SF-337 (New Siliconfluorine Material Co., Ltd., Guangdong Dai), and DL-203 (New Siliconic Material technology (Shanghai)) in any proportion, and particularly preferably SF-337 (New Siliconfluorine Material Co., Ltd., Guangdong Dai).
The wetting agent is a (modified) polyalkyl oxide wetting agent, specifically is one or a mixture of more than two of Levaslip W-461(Elementis corporation), Levelol W-469(Elementis corporation) and DW-390 (Shanghai silicon material technology, Inc.) in any proportion, and Levaslip W-461(Elementis corporation) is particularly preferred.
The low molecular alcohol is one of ethanol and isopropanol or a mixture of the two in any proportion, and preferably isopropanol.
The silicone-acrylate emulsion is a self-made silicone-acrylate emulsion with a unique structure of 'inner crosslinking core-silicon-containing shell layer', and is prepared from the following raw materials in parts by weight:
2-4 parts of reactive anionic emulsifier, 1.8-3.1 parts of reactive nonionic emulsifier, 0.2-0.4 part of pH buffering agent, 1.5-2.3 parts of inorganic peroxy initiator, 0.6-0.8 part of oxidation initiator, 0.55-0.6 part of reduction initiator, 7-10 parts of methyl methacrylate monomer, 68-72 parts of n-butyl acrylate monomer, 20-25 parts of organosiloxane monomer, 1.2-1.5 parts of C1-C3 alcohol, 0.06-0.08 part of tert-butyl hydroperoxide, 0.06-0.08 part of rongalite and 126-130 parts of deionized water.
The reactive anionic emulsifier is selected from any one or a mixture of two of SE-10N (ADEKA), SE-1025A (ADEKA), preferably SE-1025A (ADEKA).
The reactive nonionic emulsifier is selected from one or a mixture of two or more of ER-10 (ADEKA), ER-20 (ADEKA), ER-30 (ADEKA), ER-40 (ADEKA), NE-10 (ADEKA), NE-20 (ADEKA) and NE-30 (ADEKA), preferably NE-10 (ADEKA).
The pH buffering agent is selected from any one of sodium bicarbonate and sodium carbonate, and sodium bicarbonate is preferred.
The inorganic peroxy initiator is selected from any one of ammonium persulfate, potassium persulfate and sodium persulfate, preferably sodium persulfate.
The oxidation initiator is selected from any one of a hydrogen peroxide-based initiator such as hydrogen peroxide, cumene hydroperoxide, a dialkyl peroxide-based initiator such as diisophenylpropyl peroxide, and a diacyl peroxide-based initiator such as dibenzoyl peroxide, cumene hydroperoxide being particularly preferable.
The reducing initiator is selected from any one of a tertiary amine initiator such as N, N-dimethyl toluidine, a thiol initiator such as methyl mercaptan and ethyl mercaptan, and an organometallic compound initiator such as triethyl aluminum and triethyl boron, with N, N-dimethyl toluidine being particularly preferred.
The organosiloxane monomers are particularly preferably vinyltriisopropoxysilane (AC-76).
The C1-C3 alcohol is selected from any one or a mixture of more than two of methanol, ethanol and isopropanol in any proportion, and preferably the isopropanol.
The preparation method of the silicone-acrylate emulsion comprises the following steps:
(1) mixing 5 parts by weight of n-butyl acrylate monomer, 20-25 parts by weight of organic siloxane monomer, 7-10 parts by weight of methyl methacrylate monomer, 0.6-0.8 part by weight of oxidation initiator, 0.55-0.6 part by weight of reduction initiator and 1-2 parts by weight of reactive nonionic emulsifier, and stirring and dissolving at the stirring speed of 200-250 rpm to obtain a shell layer monomer dropwise adding phase;
(2) adding 2-4 parts by weight of reactive anionic emulsifier, 0.8-1.1 part by weight of reactive nonionic emulsifier and 5 parts by weight of n-butyl acrylate monomer into 102-106 parts by weight of deionized water, stirring at a stirring speed of 400-750 rpm, heating to 86-88 ℃, reducing the stirring speed to 150-250 rpm, adding 4.3 parts by weight of inorganic peroxy initiator aqueous solution, after the reaction system has obvious blue light, simultaneously dropwise adding 58-62 parts by weight of n-butyl acrylate monomer and 11.2-12 parts by weight of inorganic peroxy initiator aqueous solution, finishing dropping the two simultaneously, the dropping time is 5-7 h, then reducing the temperature of the reaction system to 63-68 ℃, adding 1.2-1.5 parts by weight of C1-C3 alcohol, then simultaneously dropwise adding the shell monomer dropping phase prepared in the step (1) and 6.2-6.4 parts by weight of pH buffer aqueous solution, the shell monomer dropping time is 2-3 h, the dropping speed of the pH buffering agent aqueous solution is adjusted on the basis of maintaining the pH value of a reaction system at 5.5-7.5, the pH value of the reaction system is measured once every 20min, after the dropping of a shell monomer dropping phase and the pH buffering agent solution is finished, stirring for 1-1.5 h at a constant temperature, adding 2.06-2.08 parts by weight of tert-butyl hydrogen peroxide aqueous solution, stirring for 10-20 min at a constant temperature, adding 2.06-2.08 parts by weight of rongalite aqueous solution, stirring for 10-20 min at a constant temperature, and finally cooling to room temperature (20-30 ℃) for discharging to obtain the silicone-acrylate emulsion;
the 4.3 parts by weight of the inorganic peroxy initiator aqueous solution is obtained by dissolving 0.3 part by weight of the inorganic peroxy initiator in 4 parts by weight of deionized water;
the 11.2-12 parts by weight of the inorganic peroxy initiator aqueous solution is obtained by dissolving 1.2-2 parts by weight of an inorganic peroxy initiator in 10 parts by weight of deionized water;
the 6.2-6.4 parts by weight of pH buffering agent aqueous solution is obtained by dissolving 0.2-0.4 part by weight of pH buffering agent in 6 parts by weight of deionized water;
the 2.06-2.08 parts by weight of tert-butyl hydroperoxide aqueous solution is obtained by dissolving 0.06-0.08 part by weight of tert-butyl hydroperoxide in 2 parts by weight of deionized water;
the 2.06-2.08 parts by weight of rongalite aqueous solution is prepared by dissolving 0.06-0.08 part by weight of rongalite in 2 parts by weight of deionized water.
Compared with the prior art, the invention has the beneficial effects that:
1. the self-made silicone-acrylate emulsion with the unique structure of the inner crosslinking core-silicon-containing shell layer is selected as the film-forming resin of the water-based gloss oil, the resin has good stain resistance and water resistance, and the water resistance and oil resistance of the water-based gloss oil product are ensured.
2. The silicone-acrylate resin and the wax additive are matched for use, so that the compactness of a coating film on the surface of the gloss oil is enhanced, and the adhesive force and the scratch resistance of the coating film are ensured; the tape stripping resistance of the product of the invention is obviously better than that of the oil gloss oil product sold in the market.
3. By the matching use of all the auxiliary agents, the storage stability and good anti-adhesion property of the water-based gloss oil product are ensured.
(IV) detailed description of the preferred embodiments
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
The storage stability of the gloss oil means that the gloss oil is kept still for 9 days at the temperature of 60 ℃, and the storage stability of the gloss oil is represented by no precipitation and no delamination for more than 6 months.
The tack resistance test method for gloss oil is as follows: printing the water-based gloss oil or the commercially available oil-based gloss oil on Baoli paper by a KPP gravure proofing machine at a printing speed of 40m/min, and drying at 50 ℃; superposing the printed surface with the back surface of the other Baoli paper, placing under a weight of 2kg, hot-pressing in a blowing drying oven at 80 ℃ for 24 hours, and observing whether the two Baoli papers are adhered; if the gloss oil is not sticky, the gloss oil is proved to have good anti-sticking property.
The method for testing the tape stripping resistance of the gloss oil comprises the following steps: printing the water-based gloss oil or the commercially available oil-based gloss oil on Baoli paper by a KPP gravure proofing machine at a printing speed of 40m/min, and drying at 50 ℃; adhering the adhesive tape to the varnish printing surface, quickly tearing off the adhesive tape, repeating the tearing process for multiple times, and testing by using a new adhesive tape each time; when the printed surface was not damaged even after the tape was peeled 500 times or more, the gloss oil-resistant tape was proved to have excellent peelability, and when the printed surface was peeled 100 times or less, the gloss oil-resistant tape was judged to have no resistance to tape peeling.
Water resistance test of gloss oil was determined according to the assay method of GB/T1733-1993.
The method for testing the oil stain resistance of the gloss oil comprises the following steps: printing the water-based gloss oil or the commercially available oil-based gloss oil on Baoli paper by a KPP gravure proofing machine at a printing speed of 40m/min, and drying at 50 ℃; edible oil is dripped on the gloss oil printing surface by using a 3mL disposable dropper, and if the edible oil is not permeable, the oil stain resistance of the gloss oil is proved to be passed.
EXAMPLE 1 preparation of Silicone-acrylic emulsion
The following raw material manufacturers were used:
n-butyl acrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), AC-76 (Canoe (Buddha) chemical materials Co., Ltd.), methyl methacrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), cumene hydroperoxide (SIGMA-ALDRICH Co., Ltd.), N-dimethyl toluidine (Tianjin Zhongkaitai chemical industry Co., Ltd.), NE-10(ADEKA Co., Ltd.), SE-1025A (ADEKA Co., Ltd.), sodium persulfate (Suzhou Hua Nagchi chemical industry Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), sodium bicarbonate (Shanghai Egyi chemical reagent Co., Ltd.), tert-butyl hydroperoxide (Shanghai Bai chemical industry Co., Ltd.), and white powder carving (Shanghai Rui chemical industry Co., Ltd.).
Preparation of silicone-acrylic emulsion:
(1) preparing a shell layer monomer dropwise-adding phase:
5g of N-butyl acrylate monomer, 20g of AC-76, 7g of methyl methacrylate monomer, 0.7g of cumene hydroperoxide, 0.6g N, N-dimethyl toluidine and 1g of NE-10 are mixed and stirred at the stirring speed of 200rpm to be dissolved, so as to obtain a shell monomer dropwise addition phase;
(2) adding 2g of SE-1025A, 1g of NE-10 and 5g of n-butyl acrylate monomer into 106g of deionized water, stirring at the stirring speed of 400rpm, heating to 87 ℃, reducing the stirring speed to 150rpm, adding 4.3g of sodium persulfate aqueous solution (0.3g of sodium persulfate is dissolved in 4g of deionized water), after the reaction system has obvious blue light, simultaneously dropwise adding 60g of n-butyl acrylate monomer and 12g of sodium persulfate aqueous solution (2g of sodium persulfate is dissolved in 10g of deionized water), completing the dropwise adding of the two simultaneously for 5h, then reducing the temperature of the reaction system to 68 ℃, adding 1.2g of isopropanol, simultaneously dropwise adding the shell monomer dropwise adding phase prepared in the step (1) and 6.2g of sodium bicarbonate aqueous solution (0.2g of sodium bicarbonate is dissolved in 6g of deionized water), wherein the dropwise adding time of the shell monomer dropwise adding phase is 2h, the dropping speed of the sodium bicarbonate aqueous solution is adjusted on the basis of maintaining the pH value of a reaction system at 5.5-7.5, the pH value of the reaction system is measured once every 20min, after the dropping phase of the shell monomer and the dropping of the sodium bicarbonate aqueous solution are finished, the reaction system is kept warm and stirred for 1.2h, 2.06g of tert-butyl hydrogen peroxide aqueous solution (obtained by dissolving 0.06g of tert-butyl hydrogen peroxide in 2g of deionized water) is added, the reaction system is kept warm and stirred for 10min, 2.06g of rongalite aqueous solution (obtained by dissolving 0.06g of rongalite in 2g of deionized water) is added, the reaction system is kept warm and stirred for 10min, and finally the reaction system is cooled to room temperature and discharged, so that the.
EXAMPLE 2 preparation of Silicone-acrylic emulsion
The following raw material manufacturers were used:
n-butyl acrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), AC-76 (Canoe (Buddha) chemical materials Co., Ltd.), methyl methacrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), cumene hydroperoxide (SIGMA-ALDRICH Co., Ltd.), N-dimethyl toluidine (Tianjin Zhongkaitai chemical industry Co., Ltd.), NE-10(ADEKA Co., Ltd.), SE-1025A (ADEKA Co., Ltd.), sodium persulfate (Suzhou Hua Nagchi chemical industry Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), sodium bicarbonate (Shanghai Egyi chemical reagent Co., Ltd.), tert-butyl hydroperoxide (Shanghai Bai chemical industry Co., Ltd.), and white powder carving (Shanghai Rui chemical industry Co., Ltd.).
Preparation of silicone-acrylic emulsion:
(1) preparing a shell layer monomer dropwise-adding phase:
5g of N-butyl acrylate monomer, 21g of AC-76, 7g of methyl methacrylate monomer, 0.6g of cumene hydroperoxide, 0.55g N, N-dimethyl toluidine and 1.1g of NE-10 are mixed and stirred at the stirring speed of 250rpm to be dissolved, so as to obtain a shell monomer dropwise addition phase;
(2) adding 3g of SE-1025A, 0.8g of NE-10 and 5g of n-butyl acrylate monomer into 103g of deionized water, stirring at the stirring speed of 600rpm, heating to 88 ℃, reducing the stirring speed to 200rpm, adding 4.3g of sodium persulfate aqueous solution (0.3g of sodium persulfate is dissolved in 4g of deionized water), after the reaction system has obvious blue light, simultaneously dropwise adding 58g of n-butyl acrylate monomer and 11.2g of sodium persulfate aqueous solution (1.2g of sodium persulfate is dissolved in 10g of deionized water), completing the dropwise adding of the two simultaneously, keeping the dropwise adding time for 6h, then reducing the temperature of the reaction system to 64 ℃, adding 1.5g of isopropanol, simultaneously dropwise adding the shell layer monomer dropwise adding phase prepared in the step (1) and 6.2g of sodium bicarbonate aqueous solution (0.2g of sodium bicarbonate is dissolved in 6g of deionized water), keeping the dropwise adding time of the shell layer monomer dropwise adding phase for 2h, the dropping speed of the sodium bicarbonate aqueous solution is adjusted on the basis of maintaining the pH value of a reaction system at 5.5-7.5, the pH value of the reaction system is measured once every 20min, after the dropping phase of the shell monomer and the dropping of the sodium bicarbonate aqueous solution are finished, the reaction system is kept warm and stirred for 1h, 2.06g of tert-butyl hydrogen peroxide aqueous solution (0.06g of tert-butyl hydrogen peroxide is dissolved in 2g of deionized water) is added, the reaction system is kept warm and stirred for 20min, 2.06g of rongalite aqueous solution (0.06g of rongalite is dissolved in 2g of deionized water) is added, the reaction system is kept warm and stirred for 20min, and finally the reaction system is cooled to room temperature and discharged, so that silicone-acrylic.
EXAMPLE 3 preparation of Silicone-acrylic emulsion
The following raw material manufacturers were used:
n-butyl acrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), AC-76 (Canoe (Buddha) chemical materials Co., Ltd.), methyl methacrylate monomer (Guangzhou city, China chemical industry Co., Ltd.), cumene hydroperoxide (SIGMA-ALDRICH Co., Ltd.), N-dimethyl toluidine (Tianjin Zhongkaitai chemical industry Co., Ltd.), NE-10(ADEKA Co., Ltd.), SE-1025A (ADEKA Co., Ltd.), sodium persulfate (Suzhou Hua Nagchi chemical industry Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), sodium bicarbonate (Shanghai Egyi chemical reagent Co., Ltd.), tert-butyl hydroperoxide (Shanghai Bai chemical industry Co., Ltd.), and white powder carving (Shanghai Rui chemical industry Co., Ltd.).
Preparation of silicone-acrylic emulsion:
(1) preparing a shell layer monomer dropwise-adding phase:
5g of N-butyl acrylate monomer, 25g of AC-76, 10g of methyl methacrylate monomer, 0.8g of cumene hydroperoxide, 0.6g N, N-dimethyl toluidine and 2g of NE-10 are mixed and stirred at the stirring speed of 250rpm to be dissolved, so as to obtain a shell monomer dropwise addition phase;
(2) adding 4g of SE-1025A, 1.1g of NE-10 and 5g of n-butyl acrylate monomer into 102g of deionized water, stirring at the stirring speed of 750rpm, heating to 88 ℃, reducing the stirring speed to 250rpm, adding 4.3g of sodium persulfate aqueous solution (0.3g of sodium persulfate is dissolved in 4g of deionized water), after the reaction system has obvious blue light, simultaneously dropwise adding 62g of n-butyl acrylate monomer and 12g of sodium persulfate aqueous solution (2g of sodium persulfate is dissolved in 10g of deionized water), completing the dropwise adding of the two, the dropwise adding time is 7h, then reducing the temperature of the reaction system to 63 ℃, adding 1.5g of isopropanol, simultaneously dropwise adding the shell layer monomer dropwise adding phase prepared in the step (1) and 6.4g of sodium bicarbonate aqueous solution (0.4g of sodium bicarbonate is dissolved in 6g of deionized water), the dropwise adding time of the shell layer monomer phase is 2h, the dropping speed of the sodium bicarbonate aqueous solution is adjusted on the basis of maintaining the pH value of a reaction system at 5.5-7.5, the pH value of the reaction system is measured once every 20min, after the dropping phase of the shell monomer and the dropping of the sodium bicarbonate aqueous solution are finished, the reaction system is kept warm and stirred for 1.5h, 2.08g of tert-butyl hydrogen peroxide aqueous solution (obtained by dissolving 0.08g of tert-butyl hydrogen peroxide in 2g of deionized water) is added, the reaction system is kept warm and stirred for 10min, 2.08g of rongalite aqueous solution (obtained by dissolving 0.08g of rongalite in 2g of deionized water) is added, the reaction system is kept warm and stirred for 10min, and finally the reaction system is cooled to room temperature and discharged, so that silicone.
Example 4 preparation of aqueous gloss oil for Baoli paper
The following raw materials and instrument manufacturers were used:
SF-337 (New Siliconfluoride materials Co., Ltd., Yondongbo Co., Ltd.), Levaslip W-461(Elementis Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), MD-2042(KEIM Co., Ltd.);
a dispersing sand mill (SDF400 experiment dispersing sand mill, Jiangyun Shuangfeng chemical machinery Co., Ltd.).
Preparation of Baoli paper water-based gloss oil
(1) Adding 2g of SF-337, 0.05g of Levaslip W-461, 17g of isopropanol and 10g of deionized water into a dispersing sand mill, stirring at the speed of 2000rpm for 0.5h to obtain a dispersion liquid, and taking out for later use;
(2) 50g of the silicone-acrylic emulsion prepared in example 1, 8g of MD-2042 and 12.95g of deionized water are added into a dispersing sand mill and mixed uniformly at the speed of 400 rpm; and (2) slowly adding the dispersion liquid obtained in the step (1) into a dispersion sand mill, keeping the rotation speed, stirring for 0.5h, filtering and discharging to obtain the Baoli paper water-based gloss oil.
Example 5 preparation of waterborne gloss oil for Baoli paper
The following raw materials and instrument manufacturers were used:
SF-337 (New Siliconfluoride materials Co., Ltd., Yondongbo Co., Ltd.), Levaslip W-461(Elementis Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), MD-2042(KEIM Co., Ltd.);
a dispersing sand mill (SDF400 experiment dispersing sand mill, Jiangyun Shuangfeng chemical machinery Co., Ltd.).
Preparation of Baoli paper water-based gloss oil
(1) Adding 1g of SF-337, 0.1g of Levaslip W-461, 16g of isopropanol and 8g of deionized water into a dispersing sand mill, stirring at the speed of 3000rpm for 1h to obtain a dispersion liquid, and taking out for later use;
(2) 60g of the silicone-acrylic emulsion prepared in example 2, 7g of MD-2042 and 7.9g of deionized water are added into a dispersing sand mill and mixed uniformly at the speed of 500 rpm; and (2) slowly adding the dispersion liquid obtained in the step (1) into a dispersion sand mill, stirring at a rotating speed for 1 hour, filtering and discharging to obtain the Baoli paper water-based gloss oil.
Example 6 preparation of waterborne gloss oil for Baoli paper
The following raw materials and instrument manufacturers were used:
SF-337 (New Siliconfluoride materials Co., Ltd., Yondongbo Co., Ltd.), Levaslip W-461(Elementis Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), MD-2042(KEIM Co., Ltd.);
a dispersing sand mill (SDF400 experiment dispersing sand mill, Jiangyun Shuangfeng chemical machinery Co., Ltd.).
Preparation of Baoli paper water-based gloss oil
(1) Adding 0.6g of SF-337, 0.1g of Levaslip W-461, 13g of isopropanol and 8g of deionized water into a dispersing sand mill, stirring at the speed of 3000rpm for 1h to obtain a dispersion liquid, and taking out for later use;
(2) 63g of the silicone-acrylic emulsion prepared in example 3, 7g of MD-2042 and 8.3g of deionized water were added to a dispersing sand mill and mixed uniformly at a rate of 300 rpm; and (2) slowly adding the dispersion liquid obtained in the step (1) into a dispersion sand mill, keeping the rotation speed, stirring for 0.5h, filtering and discharging to obtain the Baoli paper water-based gloss oil.
Example 7 preparation of waterborne gloss oil for Baoli paper
The following raw materials and instrument manufacturers were used:
SF-337 (New Siliconfluoride materials Co., Ltd., Yondongbo Co., Ltd.), Levaslip W-461(Elementis Co., Ltd.), isopropanol (Yonghua chemical technology (Jiangsu) Co., Ltd.), MD-2042(KEIM Co., Ltd.);
a dispersing sand mill (SDF400 experiment dispersing sand mill, Jiangyun Shuangfeng chemical machinery Co., Ltd.).
Preparation of Baoli paper water-based gloss oil
(1) Adding 0.5g of SF-337, 0.15g of Levaslip W-461, 10g of isopropanol and 8g of deionized water into a dispersing sand mill, stirring at the speed of 3000rpm for 1h to obtain a dispersion liquid, and taking out for later use;
(2) 68g of the silicone-acrylic emulsion prepared in example 3, 5g of MD-2042 and 8.35g of deionized water are added into a dispersing sand mill and mixed uniformly at the speed of 500 rpm; and (2) slowly adding the dispersion liquid obtained in the step (1) into a dispersion sand mill, stirring at a rotating speed for 1 hour, filtering and discharging to obtain the Baoli paper water-based gloss oil.
TABLE 1 Experimental results of examples 4 to 7
The results in table 1 show that the waterborne gloss oil for the polyester paper disclosed by the invention is good in storage stability, the anti-adhesion property, the water resistance and the oil stain resistance of the product are all equivalent to those of the commercially available oily gloss oil and waterborne gloss oil products, the tape stripping resistance of the product is superior to that of the oily gloss oil and the waterborne gloss oil products, and the product is expected to replace the commercially available oily gloss oil and the commercially available waterborne gloss oil to be applied to the printing industry of the polyester paper.
The above-described embodiments are intended to illustrate rather than to limit the invention, and any modifications and variations of the present invention are within the spirit of the invention and the scope of the claims.
Claims (7)
1. The Baoli paper water-based gloss oil is characterized by comprising the following raw materials in parts by weight:
50-68 parts of silicone-acrylic emulsion, 5-8 parts of wax assistant, 0.5-2 parts of hand feeling agent, 0.05-0.15 part of wetting agent, 10-17 parts of low molecular alcohol and 15.9-22.95 parts of deionized water;
wherein the wax auxiliary agent is one or a mixture of more than two of oxidized polymer wax and modified polyester wax in any proportion;
the hand feeling agent is an organic silicon hand feeling agent;
the wetting agent is a modified polysiloxane wetting agent;
the silicone-acrylate emulsion is prepared from the following raw materials in parts by weight: 2-4 parts of reactive anionic emulsifier, 1.8-3.1 parts of reactive nonionic emulsifier, 0.2-0.4 part of pH buffering agent, 1.5-2.3 parts of inorganic peroxy initiator, 0.6-0.8 part of oxidation initiator, 0.55-0.6 part of reduction initiator, 7-10 parts of methyl methacrylate monomer, 68-72 parts of n-butyl acrylate monomer, 20-25 parts of organosiloxane monomer, 1.2-1.5 parts of C1-C3 alcohol, 0.06-0.08 part of tert-butyl hydroperoxide, 0.06-0.08 part of rongalite and 126-130 parts of deionized water;
the preparation method of the silicone-acrylate emulsion comprises the following steps:
(1) mixing 5 parts by weight of n-butyl acrylate monomer, 20-25 parts by weight of organic siloxane monomer, 7-10 parts by weight of methyl methacrylate monomer, 0.6-0.8 part by weight of oxidation initiator, 0.55-0.6 part by weight of reduction initiator and 1-2 parts by weight of reactive nonionic emulsifier, and stirring and dissolving at the stirring speed of 200-250 rpm to obtain a shell layer monomer dropwise adding phase;
(2) adding 2-4 parts by weight of reactive anionic emulsifier, 0.8-1.1 part by weight of reactive nonionic emulsifier and 5 parts by weight of n-butyl acrylate monomer into 102-106 parts by weight of deionized water, stirring at a stirring speed of 400-750 rpm, heating to 86-88 ℃, reducing the stirring speed to 150-250 rpm, adding 4.3 parts by weight of inorganic peroxy initiator aqueous solution, after the reaction system has obvious blue light, simultaneously dropwise adding 58-62 parts by weight of n-butyl acrylate monomer and 11.2-12 parts by weight of inorganic peroxy initiator aqueous solution, finishing dropping the two simultaneously, the dropping time is 5-7 h, then reducing the temperature of the reaction system to 63-68 ℃, adding 1.2-1.5 parts by weight of C1-C3 alcohol, then simultaneously dropwise adding the shell monomer dropping phase prepared in the step (1) and 6.2-6.4 parts by weight of pH buffer aqueous solution, the shell monomer dropping time is 2-3 h, the dropping speed of the pH buffering agent aqueous solution is adjusted on the basis of maintaining the pH value of a reaction system at 5.5-7.5, the pH value of the reaction system is measured once every 20min, after the dropping of a shell monomer dropping phase and the pH buffering agent solution is finished, stirring for 1-1.5 h at a constant temperature, adding 2.06-2.08 parts by weight of tert-butyl hydrogen peroxide aqueous solution, stirring for 10-20 min at a constant temperature, adding 2.06-2.08 parts by weight of rongalite aqueous solution, stirring for 10-20 min at a constant temperature, and finally cooling to room temperature for discharging to obtain the silicone-acrylate emulsion;
the 4.3 parts by weight of the inorganic peroxy initiator aqueous solution is obtained by dissolving 0.3 part by weight of the inorganic peroxy initiator in 4 parts by weight of deionized water;
the 11.2-12 parts by weight of the inorganic peroxy initiator aqueous solution is obtained by dissolving 1.2-2 parts by weight of an inorganic peroxy initiator in 10 parts by weight of deionized water;
the 6.2-6.4 parts by weight of pH buffering agent aqueous solution is obtained by dissolving 0.2-0.4 part by weight of pH buffering agent in 6 parts by weight of deionized water;
the 2.06-2.08 parts by weight of tert-butyl hydroperoxide aqueous solution is obtained by dissolving 0.06-0.08 part by weight of tert-butyl hydroperoxide in 2 parts by weight of deionized water;
the 2.06-2.08 parts by weight of rongalite aqueous solution is prepared by dissolving 0.06-0.08 part by weight of rongalite in 2 parts by weight of deionized water.
2. The baoli paper aqueous gloss oil of claim 1, wherein the wax additive is one or a mixture of more than two of VISCOCER 1017, VISCOCER 2016, MD-2042, ADDIMER 696 and ADDIMER 697 in any proportion.
3. The waterborne gloss oil of Baoli paper as claimed in claim 1, wherein the hand feeling agent is one or a mixture of more than two of SF-337 and DL-203 in any proportion.
4. The waterborne gloss oil for the polyester paper as claimed in claim 1, wherein the wetting agent is one or a mixture of more than two of Levaslip W-461, Levelol W-469 and DW-390 in any proportion.
5. The baoli paper aqueous gloss oil as claimed in claim 1, wherein the low molecular alcohol is one of ethanol and isopropanol or a mixture of the two in any proportion.
6. The Baoli paper water-based gloss oil as claimed in claim 1, wherein the silicone-acrylic emulsion comprises the following raw materials:
the reactive anionic emulsifier is selected from any one of SE-10N, SE-1025A or a mixture of the two in any proportion;
the reactive nonionic emulsifier is selected from one or a mixture of more than two of ER-10, ER-20, ER-30, ER-40, NE-10, NE-20 and NE-30 in any proportion;
the pH buffering agent is selected from any one of sodium bicarbonate and sodium carbonate;
the inorganic peroxy initiator is selected from any one of ammonium persulfate, potassium persulfate and sodium persulfate;
the oxidation initiator is any one of a hydrogen peroxide initiator, a dialkyl peroxide initiator and a diacyl peroxide initiator;
the reduction initiator is selected from any one of tertiary amine initiators, thiol initiators and organic metal compound initiators;
the organic siloxane monomer is vinyl triisopropoxysilane;
the C1-C3 alcohol is selected from any one or a mixture of more than two of methanol, ethanol and isopropanol in any proportion.
7. The preparation method of the Baoli paper water-based gloss oil as claimed in claim 1, which is characterized by comprising the following steps:
(1) adding 0.5-2 parts of hand feeling agent, 0.05-0.15 part of wetting agent, 10-17 parts of low molecular alcohol and 8-10 parts of deionized water into a dispersing sand mill, and stirring at the speed of 2000-3000rpm for 0.5-1h to obtain a dispersion for later use;
(2) adding 50-68 parts of silicone-acrylic emulsion, 5-8 parts of wax additive and 7.9-12.95 parts of deionized water into a dispersing sand mill, uniformly stirring and mixing at the speed of 300-500rpm, then adding the dispersion liquid obtained in the step (1), keeping the rotating speed, continuously stirring for 0.5-1h, filtering and discharging to obtain the Baoli paper water-based gloss oil.
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| CN111334152B (en) * | 2020-04-17 | 2022-02-18 | 杭州海维特化工科技有限公司 | Water-based flame-retardant gloss oil and preparation method thereof |
| CN115368799B (en) * | 2022-09-26 | 2023-06-16 | 杭州海维特化工科技有限公司 | Degradable water-based antibacterial gloss oil and preparation method thereof |
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| CN101885938A (en) * | 2009-05-15 | 2010-11-17 | 上海都市丽实业发展有限公司 | Fiberglass wall covering finishing paint and method for preparing same |
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