CN113265182A - Preparation method of novel waterproof coating - Google Patents
Preparation method of novel waterproof coating Download PDFInfo
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- CN113265182A CN113265182A CN202110695709.8A CN202110695709A CN113265182A CN 113265182 A CN113265182 A CN 113265182A CN 202110695709 A CN202110695709 A CN 202110695709A CN 113265182 A CN113265182 A CN 113265182A
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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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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Abstract
A preparation method of a novel waterproof coating comprises the following steps: s1: pre-emulsifying, namely selecting a pre-emulsion raw material, wherein the pre-emulsion raw material comprises the following components in percentage by weight: deionized water, MS-2 acrylic resin emulsion, ammonia water, DB45 emulsifier, isopropylamine, methyl methacrylate, styrene, butyl acrylate, isooctyl acrylate, acrylonitrile, methacrylic acid, acrylamide and vinyl trimethoxy silane, putting the DB45 emulsifier into a pre-emulsification cylinder for stirring, and after stirring for 15min, sequentially adding each monomer into the pre-emulsification cylinder for stirring for 30 min; obtaining pre-emulsion for later use; the waterproof coating has higher solid content, can obtain thicker dry film thickness when in use, has higher curing efficiency, and can effectively shorten the curing time; has better waterproof performance.
Description
Technical Field
The invention belongs to the technical field of paint preparation, and relates to a preparation method of a novel waterproof paint.
Background
The coating has the characteristics of hardness, wear resistance, water resistance, moisture resistance, chemical corrosion resistance, quick insulation and drying, convenient manufacture, more varieties, easily obtained raw materials, moderate price, easy construction, and the like, is widely used for anticorrosion coating of woodware, furniture, buildings, machinery, motors, ships, chemical engineering and the like,
the coating is widely applied to building outer walls and the like, in recent years, along with the requirements of people on building materials and increasingly strict national environmental protection policies, the building coatings with higher performances such as water resistance, crack resistance and the like appear on the market, but the current building coatings still have the problem of low water resistance and crack resistance.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a novel waterproof coating comprises the steps of selecting a reaction kettle with a pre-emulsification cylinder as processing equipment; the method comprises the following steps:
s1: pre-emulsifying, namely selecting a pre-emulsion raw material, wherein the pre-emulsion raw material comprises the following components in percentage by weight: 16 to 18 percent of deionized water, 0.16 to 0.18 percent of MS-2 acrylic resin emulsion, 0.06 to 0.08 percent of ammonia water, 0.8 to 0.85 percent of DB45 emulsifier, 0.4 to 0.45 percent of isopropylamine, 9.5 to 10 percent of methyl methacrylate, 6.5 to 6.8 percent of styrene, 19 to 20 percent of butyl acrylate, 39 to 40 percent of isooctyl acrylate, 5.6 to 6 percent of acrylonitrile, 0.8 to 0.85 percent of methacrylic acid, 1.3 to 1.5 percent of acrylamide and 0.19 to 0.20 percent of vinyltrimethoxysilane;
adding the emulsifier with DB45 removed into a pre-emulsification cylinder, stirring for 15min, sequentially adding each monomer into the pre-emulsification cylinder, and stirring for 30 min; obtaining pre-emulsion for later use;
s2: reacting and processing, namely selecting reaction raw materials, wherein the reaction raw materials comprise the following components in percentage by weight: 98-99% of deionized water, 0.1-0.2% of DB45 emulsifier, 0.3-0.35% of baking soda and 0.08-0.1% of COPS-2 rosidius;
adding deionized water into a reaction kettle, stirring, sequentially adding DB45 emulsifier, sodium bicarbonate and COPS-2 Rodiya into the reaction kettle, mixing, heating the reaction kettle to 83 ℃, taking 242kg of emulsion put into a pre-emulsification cylinder, carrying out initial reaction for 15min, and dropwise adding the emulsion in the pre-emulsification cylinder into the reaction kettle for a dropwise adding time: 210min, dropping temperature: 83-85 ℃ and dropping speed: 21.8kg/min, and continuously stirring the reaction kettle at a low speed in the dripping process, wherein the stirring speed is that the liquid in the reaction kettle slightly swirls;
after the dropwise addition is finished, washing the pre-emulsification cylinder by using 30kg of water, washing the emulsion residue in the pre-emulsification cylinder and the water into the reaction kettle together, and preserving the temperature for 60min after the dropwise addition is finished;
s2.5: catalytic initiation, namely selecting initiation raw materials, wherein the initiation raw materials comprise the following components in percentage by weight: initial initiator APS 50% and dropping initiator APS 50%;
242kg of emulsion which is taken from a reaction kettle and put into a pre-emulsification cylinder in S2 is quickly poured into an initial initiator APS;
in the process of dropwise adding the S2 emulsion, dropwise adding the emulsion and the emulsion into a reaction kettle;
s3: post-processing, namely selecting post-processing raw materials, wherein the post-processing raw materials comprise the following components in percentage by weight: 74% of tertiary butyl and 26% of vitamin C;
after the heat preservation of the reaction kettle is finished, cooling the temperature in the reaction kettle to 70-75 ℃, then simultaneously dropwise adding tert-butyl and vitamin C into the reaction kettle for 45min, and preserving the heat for 15min after the dropwise adding is finished;
s4: tail treatment, namely selecting tail treatment tailings, wherein the tail treatment tailings comprise the following raw materials in percentage by weight: 15-16% of ammonia water, 5.5-6% of defoaming agent SN 83701.9-2%, 5.5-78% of bactericide and 77-78% of water supplement;
cooling the reaction kettle to 55 ℃, adding ammonia water for neutralization, slowly adding a defoaming agent SN8370 and supplementing water, and adding a bactericide after the temperature in the reaction kettle is 45 ℃; obtaining the solid content after completion: 49-50%, viscosity: (3#30r) 100-: 7.5-8.0, and the appearance of the wet film has a slightly bluish white waterproof coating.
As a further scheme of the invention: in the step S1, 50kg of deionized water is reserved, and after the monomer addition is completed, the monomer pipe is rinsed by the remaining deionized water, and the residue attached to the monomer pipe and the deionized water are sent to the pre-emulsification cylinder together.
As a further scheme of the invention: in the S1, the DB45 emulsifier is put into the tank and then is washed by 50kg of water, and then the DB45 emulsifier residue attached to the tank is poured into the pre-emulsification cylinder together with water.
As a further scheme of the invention: in the S2, the DB45 emulsifier is put into the reactor, then the 20kg water is adopted to wash the barrel, and then the DB45 emulsifier residue attached to the barrel is poured into the reactor together with water;
in the step S2, the baking soda is added and then the barrel is washed by 10kg of water, and then the baking soda residue attached to the barrel is poured into the reaction kettle together with the water;
in the step S2, the barrel is washed by 10kg of water after the COPS-2 Rodiya is put into the barrel, and then the COPS-2 Rodiya residue attached to the barrel is poured into the reaction kettle together with the water.
As a further scheme of the invention: and in S2.5, the initial initiator APS is dissolved by water when in use, and the ratio of the initial initiator APS to the water is as follows: 1: 4.6.
As a further scheme of the invention: and when the initiator APS is dropwise added in S2.5, the initiator APS is dissolved by water, and the proportion of the initiator APS to the water is as follows: 1: 30.
As a further scheme of the invention: when the tert-butyl in the S3 is used, water is adopted for dissolving, and the proportion of the tert-butyl to the water is as follows: 1: 15.
As a further scheme of the invention: and when the vitamin C in the S3 is used, water is adopted for dissolving, and the ratio of the vitamin C to the water is as follows: 1: 60.
As a further scheme of the invention: when the ammonia water in the S4 is used, diluting the ammonia water by using diluting water, wherein the proportion of the ammonia water to the diluting water is as follows: 1: 2.6.
As a further scheme of the invention: in the step S4, after the defoaming agent SN8370 is put into the reactor, washing the barrel with 20kg of water, and then pouring residues of the defoaming agent SN8370 attached to the barrel into the reactor together with the water;
in S4, the bactericide is put into the barrel and then washed with 20kg of water, and then the bactericide attached to the barrel is poured into the reaction kettle together with water.
The invention has the beneficial effects that:
the waterproof coating has higher solid content, can obtain thicker dry film thickness when in use, has higher curing efficiency, and can effectively shorten the curing time; the waterproof paint has better waterproof performance, longer service life and good market prospect;
compared with the traditional preparation method of the waterproof coating, the preparation method of the waterproof coating is simpler, has better environmental protection performance, and is more beneficial to market popularization.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. 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 application.
In the embodiment of the invention, a preparation method of a novel waterproof coating comprises the steps of selecting a reaction kettle with a pre-emulsification cylinder as processing equipment; the method comprises the following steps:
s1: pre-emulsifying, namely selecting a pre-emulsion raw material, wherein the pre-emulsion raw material comprises the following components in percentage by weight: 16 to 18 percent of deionized water, 0.16 to 0.18 percent of MS-2 acrylic resin emulsion, 0.06 to 0.08 percent of ammonia water, 0.8 to 0.85 percent of DB45 emulsifier, 0.4 to 0.45 percent of isopropylamine, 9.5 to 10 percent of methyl methacrylate, 6.5 to 6.8 percent of styrene, 19 to 20 percent of butyl acrylate, 39 to 40 percent of isooctyl acrylate, 5.6 to 6 percent of acrylonitrile, 0.8 to 0.85 percent of methacrylic acid, 1.3 to 1.5 percent of acrylamide and 0.19 to 0.20 percent of vinyltrimethoxysilane;
adding the emulsifier with DB45 removed into a pre-emulsification cylinder, stirring for 15min, sequentially adding each monomer into the pre-emulsification cylinder, and stirring for 30 min; obtaining pre-emulsion for later use;
s2: reacting and processing, namely selecting reaction raw materials, wherein the reaction raw materials comprise the following components in percentage by weight: 98-99% of deionized water, 0.1-0.2% of DB45 emulsifier, 0.3-0.35% of baking soda and 0.08-0.1% of COPS-2 rosidius;
adding deionized water into a reaction kettle, stirring, sequentially adding DB45 emulsifier, sodium bicarbonate and COPS-2 Rodiya into the reaction kettle, mixing, heating the reaction kettle to 83 ℃, taking 242kg of emulsion put into a pre-emulsification cylinder, carrying out initial reaction for 15min, and dropwise adding the emulsion in the pre-emulsification cylinder into the reaction kettle for a dropwise adding time: 210min, dropping temperature: 83-85 ℃ and dropping speed: 21.8kg/min, and continuously stirring the reaction kettle at a low speed in the dripping process, wherein the stirring speed is that the liquid in the reaction kettle slightly swirls;
after the dropwise addition is finished, washing the pre-emulsification cylinder by using 30kg of water, washing the emulsion residue in the pre-emulsification cylinder and the water into the reaction kettle together, and preserving the temperature for 60min after the dropwise addition is finished;
s2.5: catalytic initiation, namely selecting initiation raw materials, wherein the initiation raw materials comprise the following components in percentage by weight: initial initiator APS 50% and dropping initiator APS 50%;
242kg of emulsion which is taken from a reaction kettle and put into a pre-emulsification cylinder in S2 is quickly poured into an initial initiator APS;
in the process of dropwise adding the S2 emulsion, dropwise adding the emulsion and the emulsion into a reaction kettle;
s3: post-processing, namely selecting post-processing raw materials, wherein the post-processing raw materials comprise the following components in percentage by weight: 74% of tertiary butyl and 26% of vitamin C;
after the heat preservation of the reaction kettle is finished, cooling the temperature in the reaction kettle to 70-75 ℃, then simultaneously dropwise adding tert-butyl and vitamin C into the reaction kettle for 45min, and preserving the heat for 15min after the dropwise adding is finished;
s4: tail treatment, namely selecting tail treatment tailings, wherein the tail treatment tailings comprise the following raw materials in percentage by weight: 15-16% of ammonia water, 5.5-6% of defoaming agent SN 83701.9-2%, 5.5-78% of bactericide and 77-78% of water supplement;
cooling the reaction kettle to 55 ℃, adding ammonia water for neutralization, slowly adding a defoaming agent SN8370 and supplementing water, and adding a bactericide after the temperature in the reaction kettle is 45 ℃; obtaining the solid content after completion: 49-50%, viscosity: (3#30r) 100-: 7.5-8.0, and the appearance of the wet film has a slightly bluish white waterproof coating.
Further, in S1, 50kg of deionized water is reserved, and after the monomer addition is completed, the monomer pipe is rinsed by the remaining deionized water, and the residue attached to the monomer pipe is sent to the pre-emulsification cylinder together with the deionized water.
Further, in S1, the DB45 emulsifier was put into the tank and then washed with 50kg of water, and the residue of the DB45 emulsifier adhering to the tank was poured into the pre-emulsification tank together with water.
In S2, the DB45 emulsifier is added, and then a barrel is washed by 20kg of water, and the DB45 emulsifier residue attached to the barrel is poured into the reaction kettle together with water.
Further, in S2, the baking soda is charged and then the barrel is washed with 10kg of water, and then the baking soda residue attached to the barrel is poured into the reaction kettle together with the water.
Further, in the step S2, the barrel is washed with 10kg of water after the COPS-2 Rodiya is put into the barrel, and then the COPS-2 Rodiya residue attached to the barrel is poured into the reaction kettle together with the water.
Further, in the S2.5, the initial initiator APS is dissolved by water when used, and the ratio of the initial initiator APS to the water is as follows: 1: 4.6.
Further, when the initiator APS is dropwise added in S2.5, water is adopted for dissolving, and the proportion of the initiator APS to the water is as follows: 1: 30.
Further, when the tert-butyl group in the S3 is used, water is adopted for dissolving, and the ratio of the tert-butyl group to the water is as follows: 1: 15.
Further, the vitamin C in the S3 is dissolved by water when in use, and the ratio of the vitamin C to the water is as follows: 1: 60.
Further, when ammonia water is used in S4, dilution water is used for dilution, and the ratio of ammonia water to dilution water is: 1: 2.6.
In S4, the defoaming agent SN8370 was put into the reactor, and then the 20kg water was used to wash the barrel, and the residual defoaming agent SN8370 adhered to the barrel was poured into the reactor together with water.
Further, in S4, the bactericide is put into the barrel and then washed with 20kg of water, and the bactericide attached to the barrel is poured into the reaction kettle together with the water.
Example (b):
in this example: the total weight of the adopted raw materials is 7.699 tons;
a preparation method of a novel waterproof coating comprises the steps of selecting a reaction kettle with a pre-emulsification cylinder as processing equipment; the method comprises the following steps:
s1: pre-emulsifying, namely selecting a pre-emulsion raw material, wherein the pre-emulsion raw material comprises the following components in percentage by weight: 750kg of deionized water, 7.6kg of MS-2 acrylic resin emulsion, 2.85kg of ammonia water, 38.8kg of DB45 emulsifier, 20kg of isopropylamine, 450kg of methyl methacrylate, 310kg of styrene, 893kg of butyl acrylate, 1835kg of isooctyl acrylate, 270kg of acrylonitrile, 39kg of methacrylic acid, 62kg of acrylamide and 9kg of vinyl trimethoxy silane;
adding the emulsifier with DB45 removed into a pre-emulsification cylinder, stirring for 15min, sequentially adding each monomer into the pre-emulsification cylinder, and stirring for 30 min; obtaining pre-emulsion for later use;
s2: reacting and processing, namely selecting reaction raw materials, wherein the reaction raw materials comprise the following components in percentage by weight: 2100kg of deionized water, 3.2kg of DB45 emulsifier, 6.6kg of baking soda and 1.9kg of COPS-2 rosidius;
adding deionized water into a reaction kettle, stirring, sequentially adding DB45 emulsifier, sodium bicarbonate and COPS-2 Rodiya into the reaction kettle, mixing, heating the reaction kettle to 83 ℃, taking 242kg of emulsion put into a pre-emulsification cylinder, carrying out initial reaction for 15min, and dropwise adding the emulsion in the pre-emulsification cylinder into the reaction kettle for a dropwise adding time: 210min, dropping temperature: 83-85 ℃ and dropping speed: 21.8kg/min, and continuously stirring the reaction kettle at a low speed in the dripping process, wherein the stirring speed is that the liquid in the reaction kettle slightly swirls;
after the dropwise addition is finished, washing the pre-emulsification cylinder by using 30kg of water, washing the emulsion residue in the pre-emulsification cylinder and the water into the reaction kettle together, and preserving the temperature for 60min after the dropwise addition is finished;
s2.5: catalytic initiation, namely selecting initiation raw materials, wherein the initiation raw materials comprise the following components in percentage by weight: initial initiator APS9.7kg and dropwise adding initiator APS 9.7kg;
242kg of emulsion which is taken from a reaction kettle and put into a pre-emulsification cylinder in S2 is quickly poured into an initial initiator APS;
in the process of dropwise adding the S2 emulsion, dropwise adding the emulsion and the emulsion into a reaction kettle;
s3: post-processing, namely selecting post-processing raw materials, wherein the post-processing raw materials comprise the following components in percentage by weight: 5.13kg of tert-butyl and 1.82kg of vitamin C;
after the heat preservation of the reaction kettle is finished, cooling the temperature in the reaction kettle to 70-75 ℃, then simultaneously dropwise adding tert-butyl and vitamin C into the reaction kettle for 45min, and preserving the heat for 15min after the dropwise adding is finished;
s4: tail treatment, namely selecting tail treatment tailings, wherein the tail treatment tailings comprise the following raw materials in percentage by weight: 19kg of ammonia water, 702.5kg of defoaming agent SN83702, 7.6kg of bactericide and 100kg of water supplement;
cooling the reaction kettle to 55 ℃, adding ammonia water for neutralization, slowly adding a defoaming agent SN8370 and supplementing water, and adding a bactericide after the temperature in the reaction kettle is 45 ℃; obtaining the solid content after completion: 49-50%, viscosity: (3#30r) 100-: 7.5-8.0, and the appearance of the wet film has a slightly bluish white waterproof coating.
Further, in S1, 50kg of deionized water is reserved, and after the monomer addition is completed, the monomer pipe is rinsed by the remaining deionized water, and the residue attached to the monomer pipe is sent to the pre-emulsification cylinder together with the deionized water.
Further, in S1, the DB45 emulsifier was put into the tank and then washed with 50kg of water, and the residue of the DB45 emulsifier adhering to the tank was poured into the pre-emulsification tank together with water.
In S2, the DB45 emulsifier is added, and then a barrel is washed by 20kg of water, and the DB45 emulsifier residue attached to the barrel is poured into the reaction kettle together with water.
Further, in S2, the baking soda is charged and then the barrel is washed with 10kg of water, and then the baking soda residue attached to the barrel is poured into the reaction kettle together with the water.
Further, in the step S2, the barrel is washed with 10kg of water after the COPS-2 Rodiya is put into the barrel, and then the COPS-2 Rodiya residue attached to the barrel is poured into the reaction kettle together with the water.
Further, the initial initiator APS in S2.5 was dissolved using 45kg of water.
Further, the initiator APS was added dropwise to S2.5 and dissolved in 300kg of water when used.
Further, the t-butyl group in S3 was dissolved in 80kg of water.
Further, the vitamin C in S3 is dissolved in 110kg of water when used.
Further, ammonia water in S4 was diluted with 50kg of dilution water.
In S4, the defoaming agent SN8370 was put into the reactor, and then the 20kg water was used to wash the barrel, and the residual defoaming agent SN8370 adhered to the barrel was poured into the reactor together with water.
Further, in S4, the bactericide is put into the barrel and then washed with 20kg of water, and the bactericide attached to the barrel is poured into the reaction kettle together with the water.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A preparation method of a novel waterproof coating comprises the steps of selecting a reaction kettle with a pre-emulsification cylinder as processing equipment; the method is characterized by comprising the following steps:
s1: pre-emulsifying, namely selecting a pre-emulsion raw material, wherein the pre-emulsion raw material comprises the following components in percentage by weight: 16 to 18 percent of deionized water, 0.16 to 0.18 percent of MS-2 acrylic resin emulsion, 0.06 to 0.08 percent of ammonia water, 0.8 to 0.85 percent of DB45 emulsifier, 0.4 to 0.45 percent of isopropylamine, 9.5 to 10 percent of methyl methacrylate, 6.5 to 6.8 percent of styrene, 19 to 20 percent of butyl acrylate, 39 to 40 percent of isooctyl acrylate, 5.6 to 6 percent of acrylonitrile, 0.8 to 0.85 percent of methacrylic acid, 1.3 to 1.5 percent of acrylamide and 0.19 to 0.20 percent of vinyltrimethoxysilane;
adding the emulsifier with DB45 removed into a pre-emulsification cylinder, stirring for 15min, sequentially adding each monomer into the pre-emulsification cylinder, and stirring for 30 min; obtaining pre-emulsion for later use;
s2: reacting and processing, namely selecting reaction raw materials, wherein the reaction raw materials comprise the following components in percentage by weight: 98-99% of deionized water, 0.1-0.2% of DB45 emulsifier, 0.3-0.35% of baking soda and 0.08-0.1% of COPS-2 rosidius;
adding deionized water into a reaction kettle, stirring, sequentially adding DB45 emulsifier, sodium bicarbonate and COPS-2 Rodiya into the reaction kettle, mixing, heating the reaction kettle to 83 ℃, taking 242kg of emulsion put into a pre-emulsification cylinder, carrying out initial reaction for 15min, and dropwise adding the emulsion in the pre-emulsification cylinder into the reaction kettle for a dropwise adding time: 210min, dropping temperature: 83-85 ℃ and dropping speed: 21.8kg/min, and continuously stirring the reaction kettle at a low speed in the dripping process, wherein the stirring speed is that the liquid in the reaction kettle slightly swirls;
after the dropwise addition is finished, washing the pre-emulsification cylinder by using 30kg of water, washing the emulsion residue in the pre-emulsification cylinder and the water into the reaction kettle together, and preserving the temperature for 60min after the dropwise addition is finished;
s2.5: catalytic initiation, namely selecting initiation raw materials, wherein the initiation raw materials comprise the following components in percentage by weight: initial initiator APS 50% and dropping initiator APS 50%;
242kg of emulsion which is taken from a reaction kettle and put into a pre-emulsification cylinder in S2 is quickly poured into an initial initiator APS;
in the process of dropwise adding the S2 emulsion, dropwise adding the emulsion and the emulsion into a reaction kettle;
s3: post-processing, namely selecting post-processing raw materials, wherein the post-processing raw materials comprise the following components in percentage by weight: 74% of tertiary butyl and 26% of vitamin C;
after the heat preservation of the reaction kettle is finished, cooling the temperature in the reaction kettle to 70-75 ℃, then simultaneously dropwise adding tert-butyl and vitamin C into the reaction kettle for 45min, and preserving the heat for 15min after the dropwise adding is finished;
s4: tail treatment, namely selecting tail treatment tailings, wherein the tail treatment tailings comprise the following raw materials in percentage by weight: 15-16% of ammonia water, 5.5-6% of defoaming agent SN 83701.9-2%, 5.5-78% of bactericide and 77-78% of water supplement;
cooling the reaction kettle to 55 ℃, adding ammonia water for neutralization, slowly adding a defoaming agent SN8370 and supplementing water, and adding a bactericide after the temperature in the reaction kettle is 45 ℃; obtaining the solid content after completion: 49-50%, viscosity: (3#30r) 100-: 7.5-8.0, and the appearance of the wet film has a slightly bluish white waterproof coating.
2. The method of claim 1, wherein 50kg of deionized water is reserved in S1, and after the monomer addition is completed, the monomer pipe is flushed with the rest deionized water, and the residue attached to the monomer pipe is fed into the pre-emulsification cylinder together with the deionized water.
3. The method of claim 1, wherein in the step of S1, the DB45 emulsifier is added and then the barrel is washed with 50kg of water, and then the residue of the DB45 emulsifier attached to the barrel is poured into the pre-emulsification cylinder together with water.
4. The method for preparing a novel waterproof coating according to claim 1, wherein in S2, the DB45 emulsifier is added and then the barrel is washed with 20kg of water, and then the DB45 emulsifier residue attached to the barrel is poured into the reaction kettle together with water;
in the step S2, the baking soda is added and then the barrel is washed by 10kg of water, and then the baking soda residue attached to the barrel is poured into the reaction kettle together with the water;
in the step S2, the barrel is washed by 10kg of water after the COPS-2 Rodiya is put into the barrel, and then the COPS-2 Rodiya residue attached to the barrel is poured into the reaction kettle together with the water.
5. The preparation method of the novel waterproof coating according to claim 1, wherein the initial initiator APS in S2.5 is dissolved by water during use, and the ratio of the initial initiator APS to the water is as follows: 1: 4.6.
6. The preparation method of the novel waterproof coating according to claim 1, wherein the initiator APS is dissolved in water during use in S2.5, and the ratio of the initiator APS to water is as follows: 1: 30.
7. The preparation method of the novel waterproof coating material as claimed in claim 1, wherein the tert-butyl in the S3 is dissolved by water when in use, and the proportion of the tert-butyl to the water is as follows: 1: 15.
8. The preparation method of the novel waterproof coating material as claimed in claim 1, wherein the vitamin C in the S3 is dissolved by water when in use, and the ratio of the vitamin C to the water is as follows: 1: 60.
9. The preparation method of the novel waterproof coating according to claim 1, wherein the ammonia water in the S4 is diluted with dilution water when in use, and the ratio of the ammonia water to the dilution water is as follows: 1: 2.6.
10. The method of claim 1, wherein in S4, after the defoamer SN8370 is put into the tank, 20kg of water is used to wash the tank, and then the residue of the defoamer SN8370 attached to the tank is poured into the reaction kettle together with water;
in S4, the bactericide is put into the barrel and then washed with 20kg of water, and then the bactericide attached to the barrel is poured into the reaction kettle together with water.
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| CN202110695709.8A CN113265182A (en) | 2021-06-23 | 2021-06-23 | Preparation method of novel waterproof coating |
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| CN202110695709.8A CN113265182A (en) | 2021-06-23 | 2021-06-23 | Preparation method of novel waterproof coating |
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| CN202110695709.8A Pending CN113265182A (en) | 2021-06-23 | 2021-06-23 | Preparation method of novel waterproof coating |
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| CN109705278A (en) * | 2018-12-26 | 2019-05-03 | 广东衡光新材料科技有限公司 | Aqueous acrylic emulsion and preparation method thereof for automobile electrophoresis finish |
| CN110407971A (en) * | 2019-08-22 | 2019-11-05 | 北京通海工贸有限公司 | A kind of pure phenylpropyl alcohol building emulsion and preparation method thereof |
| CN111087548A (en) * | 2019-12-31 | 2020-05-01 | 广东巴德富新材料有限公司 | High-gloss quick-drying high-solid-content low-viscosity acrylate emulsion and preparation method thereof |
| CN111620983A (en) * | 2020-06-15 | 2020-09-04 | 上海墨传新材料科技有限公司 | Acrylate emulsion for moisture-resistant rubbing water-based ink and preparation method thereof |
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| CN101386663A (en) * | 2008-10-30 | 2009-03-18 | 上海三瑞高分子材料有限公司 | Multifunctional acrylic ester emulsion |
| CN109651551A (en) * | 2018-12-25 | 2019-04-19 | 成都巴德富科技有限公司 | A kind of dope for inner wall of architecture acrylic acid ester emulsion and preparation method thereof and coating |
| CN109705278A (en) * | 2018-12-26 | 2019-05-03 | 广东衡光新材料科技有限公司 | Aqueous acrylic emulsion and preparation method thereof for automobile electrophoresis finish |
| CN110407971A (en) * | 2019-08-22 | 2019-11-05 | 北京通海工贸有限公司 | A kind of pure phenylpropyl alcohol building emulsion and preparation method thereof |
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