CN114014974A - Transparent waterproof adhesive emulsion for external wall and preparation method thereof - Google Patents
Transparent waterproof adhesive emulsion for external wall and preparation method thereof Download PDFInfo
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- CN114014974A CN114014974A CN202111389959.5A CN202111389959A CN114014974A CN 114014974 A CN114014974 A CN 114014974A CN 202111389959 A CN202111389959 A CN 202111389959A CN 114014974 A CN114014974 A CN 114014974A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000853 adhesive Substances 0.000 title abstract description 5
- 230000001070 adhesive effect Effects 0.000 title abstract description 5
- 238000004132 cross linking Methods 0.000 claims abstract description 65
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000000178 monomer Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003999 initiator Substances 0.000 claims abstract description 52
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 47
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 35
- 239000007800 oxidant agent Substances 0.000 claims abstract description 35
- 239000003755 preservative agent Substances 0.000 claims abstract description 35
- 230000002335 preservative effect Effects 0.000 claims abstract description 35
- 239000003381 stabilizer Substances 0.000 claims abstract description 35
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 34
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000001590 oxidative effect Effects 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- -1 pH regulator Substances 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000001804 emulsifying effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000033116 oxidation-reduction process Effects 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 abstract description 31
- 238000000576 coating method Methods 0.000 abstract description 31
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 22
- 239000000428 dust Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000004017 vitrification Methods 0.000 abstract description 5
- 230000002087 whitening effect Effects 0.000 abstract description 5
- 230000006750 UV protection Effects 0.000 description 5
- 238000004383 yellowing Methods 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 4
- 239000012966 redox initiator Substances 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 description 1
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- USUBUUXHLGKOHN-UHFFFAOYSA-N methyl 2-methylidenehexanoate Chemical compound CCCCC(=C)C(=O)OC USUBUUXHLGKOHN-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- 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
- C09D133/00—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 at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to the technical field of preparation of water-based acrylic waterproof emulsion, in particular to transparent waterproof adhesive emulsion for an external wall and a preparation method thereof, wherein the transparent waterproof adhesive emulsion comprises water, butyl acrylate, styrene, a crosslinking monomer, isooctyl acrylate, a crosslinking assistant, an oxidizing agent, a reducing agent, a pH regulator, a defoaming agent, a preservative, an initiator, an emulsifier, a stabilizer and a special assistant; the proper vitrification temperature can avoid the phenomena of dust adhesion and blackening of the waterproof coating film in summer; the waterproof coating has good coating compactness, water resistance and water-resistant recovery, has waterproof and air-permeable performance, and can avoid the phenomena of whitening of the waterproof coating after being drenched and bulging and falling off of the coating after a period of time.
Description
Technical Field
The invention relates to the technical field of preparation of water-based acrylic waterproof emulsion, in particular to transparent waterproof glue emulsion for an external wall and a preparation method thereof.
Background
A series of hazards such as wall body mildew and wall skin shedding can be caused when the outer wall is seeped to the inner wall, the hazards are common and headache in daily life, at present, the outer wall is mostly a ceramic tile veneer, the outer wall maintenance belongs to the field of high-altitude operation, and in order to achieve a good waterproof effect and not to influence the decorative surface effect, the method of waterproof maintenance by adopting transparent waterproof glue of the outer wall is more and more.
The transparent waterproof glue of outer wall, colorless transparent can realize waterproof purpose under the condition that does not influence the outer wall decorative cover, according to the difference of film forming base material, this type of product roughly can divide into on the market at present: aqueous acrylic, aqueous epoxy, polyurethane or aspartic acid systems.
The acrylic emulsion type transparent waterproof glue for the outer wall is prepared by taking acrylic emulsion as a base material and adding various modification aids such as a film forming aid, a thickening agent and the like, and mixing and dispersing the acrylic emulsion type transparent waterproof glue for the outer wall, and is more in application due to the advantages of water-based environmental protection, mature technology, low requirement on a base surface, capability of wet surface construction, moderate price and the like.
The existing product has no good ultraviolet resistance, and the coating film is easy to have yellowing phenomenon; the waterproof coating of some products can be adhered with dust and blackened in summer, and the water resistance of some products is poor, so that the transparent waterproof adhesive emulsion for the outer wall and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a transparent waterproof glue emulsion for an outer wall and a preparation method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the transparent waterproof glue emulsion for outer wall includes water 45-55 weight portions of water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking assistant, oxidant, reductant, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special assistant, and the weight portions of water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking assistant, oxidant, reductant, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special assistant are mixed together, including water 45-55 weight portions, butyl acrylate 30-40 weight portions, styrene 10-20 weight portions, crosslinking monomer 0.5-5 weight portions, isooctyl acrylate 0.2-5 weight portions, crosslinking assistant 0.05-0.5 weight portions, oxidant 0.05-0.12 weight portion, reductant 0.03-0.1 weight portion, 0.5-1 part of pH regulator, 0.05 part of defoamer, 0.15 part of preservative, 0.25-0.35 part of initiator, 1-3 parts of emulsifier, 0.05-0.5 part of stabilizer and 0.05-0.5 part of special auxiliary agent, the invention relates to an acrylic acid waterproof emulsion which is prepared by introducing acrylate monomers, olefin monomers, olefinic acid monomers, special functional monomers, emulsifier, initiator and other components by adopting an acrylic acid emulsion thermal initiation or redox initiation polymerization process; the acrylic ester monomer is selected from one or more of methyl acrylate, ethyl acrylate, butyl acrylate, methyl butyl acrylate, isooctyl acrylate, methyl methacrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate and the like; the olefin monomer is selected from unsaturated bond-containing monomers such as styrene; the olefinic acid monomer is one or more selected from acrylic acid, methacrylic acid, itaconic acid, maleic acid, etc. The special functional monomer is selected from monomers containing special functional groups in molecular structures such as acrylamide, N-hydroxymethyl acrylamide and the like.
Preferably, the weight parts of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidizing agent, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 47 parts by weight of the water, 33 parts by weight of the butyl acrylate, 12 parts by weight of the styrene, 1.58 parts by weight of the crosslinking monomer, 2.5 parts by weight of the isooctyl acrylate, 0.1 part by weight of the crosslinking assistant, 0.08 part by weight of the oxidizing agent, 0.06 part by weight of the reducing agent, 0.75 part by weight of the pH regulator, 0.05 part by weight of the defoaming agent, 0.15 part by weight of the preservative, 0.28 part by weight of the initiator, 1.64 part by weight of the emulsifier, 0.06 part by weight of the stabilizer and 0.2 part by weight of the special assistant.
Preferably, the weight parts of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidizing agent, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 50 parts by weight of water, 35 parts by weight of butyl acrylate, 15 parts by weight of styrene, 3 parts by weight of the crosslinking monomer, 3 parts by weight of isooctyl acrylate, 0.3 part by weight of the crosslinking assistant, 0.08 part by weight of the oxidizing agent, 0.06 part by weight of the reducing agent, 0.75 part by weight of the pH regulator, 0.05 part by weight of the defoaming agent, 0.15 part by weight of the preservative, 0.3 part by weight of the initiator, 2 parts by weight of the emulsifier, 0.3 part by weight of the stabilizer and 0.3 part by weight of the special assistant.
Preferably, the weight parts of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidizing agent, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 55 parts by weight of the water, 40 parts by weight of the butyl acrylate, 20 parts by weight of the styrene, 5 parts by weight of the crosslinking monomer, 5 parts by weight of the isooctyl acrylate, 0.5 part by weight of the crosslinking assistant, 0.12 part by weight of the oxidizing agent, 0.1 part by weight of the reducing agent, 1 part by weight of the pH regulator, 0.05 part by weight of the defoaming agent, 0.15 part by weight of the preservative, 0.35 part by weight of the initiator, 3 parts by weight of the emulsifier, 0.5 part by weight of the stabilizer and 0.5 part by weight of the special assistant.
Preferably, the crosslinking assistant is a silane coupling agent; the pH regulator is one of ammonia water, sodium carbonate, sodium hydroxide and the like.
A preparation method of transparent waterproof glue emulsion for an outer wall comprises the following steps:
the method comprises the following steps: preparing a pre-emulsion: adding water, partial emulsifier, acrylate monomer and special functional monomer into an emulsifying tank, and stirring to obtain pre-emulsion;
step two: preparing a material at the bottom of the reaction kettle: adding water and the rest of emulsifier into a reaction kettle, stirring, heating to 80-90 ℃, adding 1-10% of pre-emulsion and initial initiator solution, and reacting for 10-35 minutes; the concentration of the initial initiator solution is 0.1-10 wt%;
step three: polymerization reaction: dropwise adding the residual pre-emulsion into a reaction kettle for 1-4 hours, and controlling the reaction temperature at 80-95 ℃; the concentration of the reaction initiator solution is 0.1-10 wt%;
step four: and (3) post-treatment: after the dropwise addition is finished, the temperature is reduced to 50-70 ℃ after the heat preservation reaction is carried out for 0.5-2 hours, and the oxidation-reduction treatment is carried out for one to two times, wherein the treatment method comprises the steps of firstly adding an oxidant solution, and adding a reducing agent solution after 5-25 minutes; preserving heat for 0.5-2 hours, cooling to below 40 ℃, adding an antifoaming agent, a preservative, a stabilizer and the like, adding an auxiliary agent, and filtering to obtain a liquid with a bluish appearance; the PH value is 2-4; viscosity of 1000-; the solid content of the product is 52 percent.
Compared with the prior art, the invention has the beneficial effects that:
the acrylic emulsion has strong ultraviolet resistance, and can improve the yellowing phenomenon of a coating; the proper vitrification temperature can avoid the phenomena of dust adhesion and blackening of the waterproof coating film in summer; the waterproof coating has good coating compactness, water resistance and water-resistant recovery, has waterproof and air-permeable performance, and can avoid the phenomena of whitening of the waterproof coating after being drenched and bulging and falling off of the coating after a period of time.
Detailed Description
Example 1: the invention provides a technical scheme that:
the transparent waterproof glue emulsion for the outer wall comprises water, butyl acrylate, styrene, a crosslinking monomer, isooctyl acrylate, a crosslinking assistant, an oxidizing agent, a reducing agent, a pH regulator, an antifoaming agent, a preservative, an initiator, an emulsifier, a stabilizer and a special assistant, wherein the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidizing agent, the reducing agent, the pH regulator, the antifoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are mixed according to the weight parts of 47 parts of water, 33 parts of butyl acrylate, 12 parts of styrene, 1.58 parts of the crosslinking monomer, 2.5 parts of isooctyl acrylate, 0.1 part of the crosslinking assistant, 0.08 part of the oxidizing agent, 0.06 part of the reducing agent, 0.75 part of the pH regulator, 0.05 part of the antifoaming agent, 0.15 part of the preservative and 0.28 part of the initiator, 1.64 parts of emulsifier, 0.06 part of stabilizer and 0.2 part of special assistant, wherein the crosslinking assistant is silane coupling agent; the pH regulator is one of ammonia water, sodium carbonate, sodium hydroxide and the like.
A preparation method of transparent waterproof glue emulsion for an outer wall comprises the following steps:
the method comprises the following steps: preparing a pre-emulsion: adding water, partial emulsifier, acrylate monomer and special functional monomer into an emulsifying tank, and stirring to obtain pre-emulsion;
step two: preparing a material at the bottom of the reaction kettle: adding water and the rest of emulsifier into a reaction kettle, stirring, heating to 80-90 ℃, adding 1-10% of pre-emulsion and initial initiator solution, and reacting for 10-35 minutes; the concentration of the initial initiator solution is 0.1-10 wt%;
step three: polymerization reaction: dropwise adding the residual pre-emulsion into a reaction kettle for 1-4 hours, and controlling the reaction temperature at 80-95 ℃; the concentration of the reaction initiator solution is 0.1-10 wt%;
step four: and (3) post-treatment: after the dropwise addition is finished, the temperature is reduced to 50-70 ℃ after the heat preservation reaction is carried out for 0.5-2 hours, and the oxidation-reduction treatment is carried out for one to two times, wherein the treatment method comprises the steps of firstly adding an oxidant solution, and adding a reducing agent solution after 5-25 minutes; preserving heat for 0.5-2 hours, cooling to below 40 ℃, adding an antifoaming agent, a preservative, a stabilizer and the like, adding an auxiliary agent, and filtering to obtain a liquid with a bluish appearance; the PH value is 2-4; viscosity of 1000-; the solid content of the product is 52 percent.
The invention adopts the thermal initiation or redox initiation polymerization process of the acrylic emulsion, and is prepared by introducing the components of acrylate monomers, emulsifying agents, cross-linking agents, initiators and the like; the raw materials at least comprise: the acrylic emulsion has the advantages that the acrylic monomer, the special functional monomer, the initiator and the composite emulsifier are simple in preparation process, the product is green and environment-friendly, the ultraviolet resistance of the acrylic emulsion is high, and the yellowing phenomenon of a coating film can be improved; the proper vitrification temperature can avoid the phenomena of dust adhesion and blackening of the waterproof coating film in summer; the waterproof coating has good coating compactness, water resistance and water-resistant recovery, has waterproof and air-permeable performance, and can avoid the phenomena of whitening of the waterproof coating after being drenched and bulging and falling off of the coating after a period of time.
Example 2: the invention provides a technical scheme that:
the transparent waterproof glue emulsion for the outer wall comprises water, butyl acrylate, styrene, a crosslinking monomer, isooctyl acrylate, a crosslinking assistant, an oxidizing agent, a reducing agent, a pH regulator, a defoaming agent, a preservative, an initiator, an emulsifier, a stabilizer and a special assistant, wherein the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidizing agent, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are mixed according to the weight ratio of 50 parts of water, 35 parts of butyl acrylate, 15 parts of styrene, 3 parts of crosslinking monomer, 3 parts of isooctyl acrylate, 0.3 part of crosslinking assistant, 0.08 part of oxidizing agent, 0.06 part of reducing agent, 0.75 part of pH regulator, 0.05 part of defoaming agent, 0.15 part of preservative, 0.3 part of initiator, 2 parts of emulsifier, 0.3 part of stabilizer and 0.3 part of special auxiliary agent, wherein the crosslinking auxiliary agent is silane coupling agent; the pH regulator is one of ammonia water, sodium carbonate, sodium hydroxide and the like.
A preparation method of transparent waterproof glue emulsion for an outer wall comprises the following steps:
the method comprises the following steps: preparing a pre-emulsion: adding water, partial emulsifier, acrylate monomer and special functional monomer into an emulsifying tank, and stirring to obtain pre-emulsion;
step two: preparing a material at the bottom of the reaction kettle: adding water and the rest of emulsifier into a reaction kettle, stirring, heating to 80-90 ℃, adding 1-10% of pre-emulsion and initial initiator solution, and reacting for 10-35 minutes; the concentration of the initial initiator solution is 0.1-10 wt%;
step three: polymerization reaction: dropwise adding the residual pre-emulsion into a reaction kettle for 1-4 hours, and controlling the reaction temperature at 80-95 ℃; the concentration of the reaction initiator solution is 0.1-10 wt%;
step four: and (3) post-treatment: after the dropwise addition is finished, the temperature is reduced to 50-70 ℃ after the heat preservation reaction is carried out for 0.5-2 hours, and the oxidation-reduction treatment is carried out for one to two times, wherein the treatment method comprises the steps of firstly adding an oxidant solution, and adding a reducing agent solution after 5-25 minutes; preserving heat for 0.5-2 hours, cooling to below 40 ℃, adding an antifoaming agent, a preservative, a stabilizer and the like, adding an auxiliary agent, and filtering to obtain a liquid with a bluish appearance; the PH value is 2-4; viscosity of 1000-; the solid content of the product is 52 percent.
The invention adopts the thermal initiation or redox initiation polymerization process of the acrylic emulsion, and is prepared by introducing the components of acrylate monomers, emulsifying agents, cross-linking agents, initiators and the like; the raw materials at least comprise: the acrylic emulsion has the advantages that the acrylic monomer, the special functional monomer, the initiator and the composite emulsifier are simple in preparation process, the product is green and environment-friendly, the ultraviolet resistance of the acrylic emulsion is high, and the yellowing phenomenon of a coating film can be improved; the proper vitrification temperature can avoid the phenomena of dust adhesion and blackening of the waterproof coating film in summer; the waterproof coating has good coating compactness, water resistance and water-resistant recovery, has waterproof and air-permeable performance, and can avoid the phenomena of whitening of the waterproof coating after being drenched and bulging and falling off of the coating after a period of time.
Example 3: the invention provides a technical scheme that:
the transparent waterproof glue emulsion for outer wall includes water 45-55 weight portions of water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking assistant, oxidant, reductant, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special assistant, and the weight portions of water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking assistant, oxidant, reductant, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special assistant are mixed together, including water 45-55 weight portions, butyl acrylate 30-40 weight portions, styrene 10-20 weight portions, crosslinking monomer 0.5-5 weight portions, isooctyl acrylate 0.2-5 weight portions, crosslinking assistant 0.05-0.5 weight portions, oxidant 0.05-0.12 weight portion, reductant 0.03-0.1 weight portion, 0.5-1 part of pH regulator, 0.05 part of defoaming agent, 0.15 part of preservative, 0.25-0.35 part of initiator, 1-3 parts of emulsifier, 0.05-0.5 part of stabilizer and 0.05-0.5 part of special auxiliary agent, wherein the weight parts of water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking auxiliary agent, oxidant, reducing agent, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special auxiliary agent are that the weight parts of water are 55 parts, butyl acrylate is 40 parts, styrene is 20 parts, crosslinking monomer is 5 parts, isooctyl acrylate is 5 parts, crosslinking auxiliary agent is 0.5 part, oxidant is 0.12 part, reducing agent is 0.1 part, pH regulator is 1 part, defoaming agent is 0.05 part, preservative is 0.15 part, initiator is 0.35 part, emulsifier is 3 parts, 0.5 part of stabilizer and 0.5 part of special assistant by weight, wherein the crosslinking assistant is silane coupling agent; the pH regulator is one of ammonia water, sodium carbonate, sodium hydroxide and the like.
A preparation method of transparent waterproof glue emulsion for an outer wall comprises the following steps:
the method comprises the following steps: preparing a pre-emulsion: adding water, partial emulsifier, acrylate monomer and special functional monomer into an emulsifying tank, and stirring to obtain pre-emulsion;
step two: preparing a material at the bottom of the reaction kettle: adding water and the rest of emulsifier into a reaction kettle, stirring, heating to 80-90 ℃, adding 1-10% of pre-emulsion and initial initiator solution, and reacting for 10-35 minutes; the concentration of the initial initiator solution is 0.1-10 wt%;
step three: polymerization reaction: dropwise adding the residual pre-emulsion into a reaction kettle for 1-4 hours, and controlling the reaction temperature at 80-95 ℃; the concentration of the reaction initiator solution is 0.1-10 wt%;
step four: and (3) post-treatment: after the dropwise addition is finished, the temperature is reduced to 50-70 ℃ after the heat preservation reaction is carried out for 0.5-2 hours, and the oxidation-reduction treatment is carried out for one to two times, wherein the treatment method comprises the steps of firstly adding an oxidant solution, and adding a reducing agent solution after 5-25 minutes; preserving heat for 0.5-2 hours, cooling to below 40 ℃, adding an antifoaming agent, a preservative, a stabilizer and the like, adding an auxiliary agent, and filtering to obtain a liquid with a bluish appearance; the PH value is 2-4; viscosity of 1000-; the solid content of the product is 52 percent.
The invention adopts the thermal initiation or redox initiation polymerization process of the acrylic emulsion, and is prepared by introducing the components of acrylate monomers, emulsifying agents, cross-linking agents, initiators and the like; the raw materials at least comprise: the acrylic emulsion has the advantages that the acrylic monomer, the special functional monomer, the initiator and the composite emulsifier are simple in preparation process, the product is green and environment-friendly, the ultraviolet resistance of the acrylic emulsion is high, and the yellowing phenomenon of a coating film can be improved; the proper vitrification temperature can avoid the phenomena of dust adhesion and blackening of the waterproof coating film in summer; the waterproof coating has good coating compactness, water resistance and water-resistant recovery, has waterproof and air-permeable performance, and can avoid the phenomena of whitening of the waterproof coating after being drenched and bulging and falling off of the coating after a period of time.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (6)
1. The transparent waterproof glue emulsion for the outer wall is characterized in that: comprises water, butyl acrylate, styrene, crosslinking monomer, isooctyl acrylate, crosslinking assistant, oxidant, reducing agent, pH regulator, defoaming agent, preservative, initiator, emulsifier, stabilizer and special assistant, wherein the weight portions of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidant, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 45-55 parts by weight of water, 30-40 parts by weight of butyl acrylate, 10-20 parts by weight of styrene, 0.5-5 parts by weight of crosslinking monomer, 0.2-5 parts by weight of isooctyl acrylate, 0.05-0.5 part by weight of crosslinking assistant, 0.05-0.12 part by weight of oxidant, 0.03-0.1 part by weight of reducing agent and 0.5-1 part by weight of pH regulator, 0.05 part of defoaming agent, 0.15 part of preservative, 0.25-0.35 part of initiator, 1-3 parts of emulsifier, 0.05-0.5 part of stabilizer and 0.05-0.5 part of special auxiliary agent.
2. The transparent waterproof glue emulsion for the exterior wall as claimed in claim 1, wherein: the weight portions of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidant, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 47 weight portions of the water, 33 weight portions of the butyl acrylate, 12 weight portions of the styrene, 1.58 weight portions of the crosslinking monomer, 2.5 weight portions of the isooctyl acrylate, 0.1 weight portion of the crosslinking assistant, 0.08 weight portion of the oxidant, 0.06 weight portion of the reducing agent, 0.75 weight portion of the pH regulator, 0.05 weight portion of the defoaming agent, 0.15 weight portion of the preservative, 0.28 weight portion of the initiator, 1.64 weight portions of the emulsifier, 0.06 weight portion of the stabilizer and 0.2 weight portion of the special assistant.
3. The transparent waterproof glue emulsion for the exterior wall as claimed in claim 1, wherein: the weight parts of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidant, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 50 parts by weight of water, 35 parts by weight of butyl acrylate, 15 parts by weight of styrene, 3 parts by weight of the crosslinking monomer, 3 parts by weight of isooctyl acrylate, 0.3 part by weight of the crosslinking assistant, 0.08 part by weight of the oxidant, 0.06 part by weight of the reducing agent, 0.75 part by weight of the pH regulator, 0.05 part by weight of the defoaming agent, 0.15 part by weight of the preservative, 0.3 part by weight of the initiator, 2 parts by weight of the emulsifier, 0.3 part by weight of the stabilizer and 0.3 part by weight of the special assistant.
4. The transparent waterproof glue emulsion for the exterior wall as claimed in claim 1, wherein: the weight parts of the water, the butyl acrylate, the styrene, the crosslinking monomer, the isooctyl acrylate, the crosslinking assistant, the oxidant, the reducing agent, the pH regulator, the defoaming agent, the preservative, the initiator, the emulsifier, the stabilizer and the special assistant are 55 parts by weight of water, 40 parts by weight of butyl acrylate, 20 parts by weight of styrene, 5 parts by weight of the crosslinking monomer, 5 parts by weight of isooctyl acrylate, 0.5 part by weight of the crosslinking assistant, 0.12 part by weight of the oxidant, 0.1 part by weight of the reducing agent, 1 part by weight of the pH regulator, 0.05 part by weight of the defoaming agent, 0.15 part by weight of the preservative, 0.35 part by weight of the initiator, 3 parts by weight of the emulsifier, 0.5 part by weight of the stabilizer and 0.5 part by weight of the special assistant.
5. The transparent waterproof glue emulsion for the exterior wall as claimed in claim 1, wherein: the crosslinking auxiliary agent is a silane coupling agent; the pH regulator is one of ammonia water, sodium carbonate, sodium hydroxide and the like.
6. The preparation method of the transparent waterproof glue emulsion for the exterior wall according to claim 1, characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: preparing a pre-emulsion: adding water, partial emulsifier, acrylate monomer and special functional monomer into an emulsifying tank, and stirring to obtain pre-emulsion;
step two: preparing a material at the bottom of the reaction kettle: adding water and the rest of emulsifier into a reaction kettle, stirring, heating to 80-90 ℃, adding 1-10% of pre-emulsion and initial initiator solution, and reacting for 10-35 minutes; the concentration of the initial initiator solution is 0.1-10 wt%;
step three: polymerization reaction: dropwise adding the residual pre-emulsion into a reaction kettle for 1-4 hours, and controlling the reaction temperature at 80-95 ℃; the concentration of the reaction initiator solution is 0.1-10 wt%;
step four: and (3) post-treatment: after the dropwise addition is finished, the temperature is reduced to 50-70 ℃ after the heat preservation reaction is carried out for 0.5-2 hours, and the oxidation-reduction treatment is carried out for one to two times, wherein the treatment method comprises the steps of firstly adding an oxidant solution, and adding a reducing agent solution after 5-25 minutes; preserving heat for 0.5-2 hours, cooling to below 40 ℃, adding an antifoaming agent, a preservative, a stabilizer and the like, adding an auxiliary agent, and filtering to obtain a liquid with a bluish appearance; the PH value is 2-4; viscosity of 1000-; the solid content of the product is 52 percent.
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