CN105801801A - Preparation process of emulsion paint thickening agent - Google Patents
Preparation process of emulsion paint thickening agent Download PDFInfo
- Publication number
- CN105801801A CN105801801A CN201610262277.0A CN201610262277A CN105801801A CN 105801801 A CN105801801 A CN 105801801A CN 201610262277 A CN201610262277 A CN 201610262277A CN 105801801 A CN105801801 A CN 105801801A
- Authority
- CN
- China
- Prior art keywords
- parts
- emulsion paint
- thickening agent
- mixture
- thickener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
Abstract
The invention discloses a preparation process of an emulsion paint thickening agent. The emulsion paint thickening agent is prepared from the following ingredients in parts by weight: 30 to 36 parts of polyether polyol, 8 to 15 parts of methylbenzene, 10 to 18 parts of diisocyanate, 6 to 12 parts of dibutyltin dilaurate, 5 to 12 parts of n-hexane, 2 to 6 parts of methylisobutylketone, 11 to 23 parts of polyoxyethylene nonyl phenyl ether, 5 to 9 parts of polyethylene glycol and 8 to 14 parts of chain extendors. The preparation process comprises the following steps of S1, mixing the polyether polyol, the polyethylene glycol and the diisocyanate; stirring the ingredients for 2 to 4h in an environment being 55 to 70 DEG C to obtain a mixture A; S2, adding the methylbenzene, the dibutyltin dilaurate, the n-hexane, the Polyoxyethylene nonyl phenyl ether and the methylisobutylketone into the mixture A; heating the materials to 70 to 100 DEG C a reaction kettle; stirring the materials for 1 to 2h to obtain a mixture B; S3, adding chain extendors into the mixture B; taking a reaction for 3 to 5h; cooing the materials; obtaining the emulsion paint thickening agent. According to the preparation process of the emulsion paint thickening agent provided by the embodiment of the invention, little production equipment is needed; the production efficiency is obviously improved.
Description
Technical field
The disclosure relates generally to coating additive, is specifically related to Emulsion paint thickener, particularly relates to breast
The preparation technology of shellac varnish thickening agent.
Background technology
Along with building and the development of family's packing technique, the coating such as paint there has also been significant progress.
The use of coating is not only the effect playing decoration, it is also possible to the material of protection matrix is from ring
The corrosion and damage of border factor, extends building, equipment and the life-span of household articles.Water paint is
Using water as solvent or make the coating of disperse medium, water paint has the non-stick, resistance to of excellence
With property and environmental-protecting performance, have a wide range of applications in all trades and professions.
Coating additive consumption in coating is little, but can significantly improve coating property, it has also become
The indispensable ingredient of coating.Thickening agent is a kind of auxiliary rheological agents, is possible not only to make coating
Thickening, prevents sagging phenomenon occur in construction, and can give the excellent mechanical performance of coating and
Bin stability.For the water paint that viscosity is relatively low, it is a very important analog assistant,
And there is the wide market demand.The step of preparation process of tradition Emulsion paint thickener is loaded down with trivial details, system
In standby technique, equipment needed thereby is more, affects the production efficiency of Emulsion paint thickener, the breast prepared
It is relatively big that shellac varnish thickening agent easily makes emulsion paint pinch precipitation zone volume, affects the using effect of emulsion paint.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide a kind of production efficiency high and
The Emulsion paint thickener prepared can reduce the emulsion paint thickening of the volume of precipitation zone in emulsion paint
The preparation technology of agent.
The present invention provides the preparation technology of a kind of Emulsion paint thickener, Emulsion paint thickener include as
Each component of lower parts by weight: polyether polyol 33 parts, toluene 12 parts, diisocyanate 15
Part, dibutyl tin laurate 9 parts, normal hexane 8 parts, methyl iso-butyl ketone (MIBK) 4 parts, nonyl
Base phenol polyethenoxy ether 18 parts, Polyethylene Glycol 7 parts, chain extender 11 parts, preparation technology includes
Following steps: S1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and
It is stirred 2-4h under 55-70 DEG C of environment, obtains mixture A；S2: add in mixture A
Enter toluene, dibutyl tin laurate, normal hexane, NPE and methyl tert-butyl
Base ketone is placed in reactor, is heated to 70-100 DEG C, stirs 1-2h, obtains mixture B；S3:
In mixture B, add chain extender and react 3-5h, cooling, obtain Emulsion paint thickener.
According to the preparation technology of the Emulsion paint thickener that the embodiment of the present application provides, the production of needs
Equipment is few, and step is simple, has been obviously improved production efficiency, the emulsion paint thickening simultaneously prepared
Agent can be added in emulsion paint so that it is introduces hydrophilic group and hydrophobic group in molecular structure,
When increasing concentration of aqueous solution, it is easily formed micelle and forms network structure with latex particle, increasing
The viscosity of emulsion paint, significantly reduces deposited phenomenon degree in emulsion paint product simultaneously, improves
The using effect of emulsion paint.
Accompanying drawing explanation
By reading retouching in detail with reference to made non-limiting example is made of the following drawings
Stating, other features, purpose and advantage will become more apparent upon:
The Emulsion paint thickener preparation technology flow chart that Fig. 1 provides for the present invention.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that
, specific embodiment described herein is used only for explaining related invention, rather than to this
Bright restriction.It also should be noted that, for the ease of describe, accompanying drawing illustrate only with
The part that invention is relevant.
Embodiment 1
Emulsion paint thickener in the present embodiment includes each component of following parts by weight:
Polyether polyol 30 parts, toluene 8 parts, diisocyanate 10 parts, tin dilaurate two
Butyl tin 6 parts, normal hexane 5 parts, methyl iso-butyl ketone (MIBK) 2 parts, NPE
11 parts, Polyethylene Glycol 5 parts, chain extender 8 parts.Wherein, chain extender is tirethylene glycol.
The Emulsion paint thickener preparation technology flow chart that Fig. 1 provides for the present invention, refer to Fig. 1,
The present embodiment uses the preparation technology of Emulsion paint thickener, specific as follows:
Step 1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
Step 2: in mixture A add toluene, dibutyl tin laurate, normal hexane,
NPE and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C,
Stirring 1-2h, obtains mixture B；
Step 3: add chain extender in mixture B and react 3-5h, cooling, obtain enforcement
The Emulsion paint thickener of example 1.
Embodiment 2
Emulsion paint thickener in the present embodiment includes each component of following parts by weight:
Polyether polyol 32 parts, toluene 10 parts, diisocyanate 12 parts, tin dilaurate two
Butyl tin 7 parts, normal hexane 6 parts, methyl iso-butyl ketone (MIBK) 5 parts, NPE 15
Part, Polyethylene Glycol 9 parts, chain extender 9 parts.Wherein, chain extender is ethoxyquin tetramethylolmethane.
The present embodiment uses the preparation technology of Emulsion paint thickener, specific as follows:
Step 1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
Step 2: in mixture A add toluene, dibutyl tin laurate, normal hexane,
NPE and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C,
Stirring 1-2h, obtains mixture B；
Step 3: add chain extender in mixture B and react 3-5h, cooling, obtain enforcement
The Emulsion paint thickener of example 2.
Embodiment 3
Emulsion paint thickener in the present embodiment includes each component of following parts by weight:
Polyether polyol 33 parts, toluene 12 parts, diisocyanate 18 parts, tin dilaurate two
Butyl tin 9 parts, normal hexane 10 parts, methyl iso-butyl ketone (MIBK) 4 parts, NPE
18 parts, Polyethylene Glycol 7 parts, chain extender 11 parts.Wherein, chain extender be tirethylene glycol,
Ethoxyquin tetramethylolmethane and triethanolamine, tirethylene glycol, ethoxyquin tetramethylolmethane and three ethanol
The parts by weight ratio of amine is 1:1:1.
The present embodiment uses the preparation technology of Emulsion paint thickener, specific as follows:
Step 1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
Step 2: in mixture A add toluene, dibutyl tin laurate, normal hexane,
NPE and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C,
Stirring 1-2h, obtains mixture B；
Step 3: add chain extender in mixture B and react 3-5h, cooling, obtain enforcement
The Emulsion paint thickener of example 3.
Embodiment 4
Emulsion paint thickener in the present embodiment includes each component of following parts by weight:
Polyether polyol 35 parts, toluene 14 parts, diisocyanate 16 parts, tin dilaurate two
Butyl tin 10 parts, normal hexane 10 parts, methyl iso-butyl ketone (MIBK) 5 parts, Nonyl pheno
20 parts of ether, Polyethylene Glycol 8 parts, chain extender 12 parts.Wherein, chain extender is tirethylene glycol
With the parts by weight ratio of triethanolamine, tirethylene glycol and triethanolamine is 1:1.
The present embodiment uses the preparation technology of Emulsion paint thickener, specific as follows:
Step 1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
Step 2: in mixture A add toluene, dibutyl tin laurate, normal hexane,
NPE and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C,
Stirring 1-2h, obtains mixture B；
Step 3: add chain extender in mixture B and react 3-5h, cooling, obtain enforcement
The Emulsion paint thickener of example 4.
Embodiment 5
Emulsion paint thickener in the present embodiment includes each component of following parts by weight:
Polyether polyol 36 parts, toluene 15 parts, diisocyanate 18 parts, tin dilaurate two
Butyl tin 12 parts, normal hexane 12 parts, methyl iso-butyl ketone (MIBK) 6 parts, Nonyl pheno
23 parts of ether, Polyethylene Glycol 7 parts, chain extender 14 parts.Wherein, chain extender is two contracting second two
The parts by weight ratio of alcohol and triethanolamine, tirethylene glycol and triethanolamine is 1:1.
The present embodiment uses the preparation technology of Emulsion paint thickener, specific as follows:
Step 1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
Step 2: in mixture A add toluene, dibutyl tin laurate, normal hexane,
NPE and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C,
Stirring 1-2h, obtains mixture B；
Step 3: add chain extender in mixture B and react 3-5h, cooling, obtain enforcement
The Emulsion paint thickener of example 5.
The Emulsion paint thickener prepared in above-mentioned 5 groups of embodiments is that colourless-slightly yellow thickness is saturating
Prescribed liquid, (25 DEG C ± 5 DEG C) viscosity is 5000～6000mPa s at normal temperatures, pH value
It is 6～7.
Prepared by the Emulsion paint thickener preparation technology provided in order to the embodiment of the present invention is better described
The effect of the Emulsion paint thickener gone out, carries out related experiment, wherein under the principle of unitary variant
Variable only 5 groups uses the Emulsion paint thickener prepared of above-mentioned identical preparation technology and comparison
Group, uses Emulsion paint thickener product TT935 (the green nation in Shanghai common on market in matched group
Science and Technology Ltd.), and obtain following experimental data:
From above table, it is evident that the breast of the Emulsion paint thickener added in embodiment 3
In shellac varnish, the volume of precipitation zone is minimum, and the Emulsion paint thickener in interpolation embodiment 1-5
The precipitation zone volume that in emulsion paint, the volume of precipitation zone is respectively less than in matched group.
Above description is only the preferred embodiment of the application and saying institute's application technology principle
Bright.It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from
In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature carry out combination in any
And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein
The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.
Claims (6)
1. the preparation technology of an Emulsion paint thickener, it is characterised in that described emulsion paint thickening
Agent includes each component of following parts by weight: polyether polyol 30-36 part, toluene 8-15 part,
Diisocyanate 10-18 part, dibutyl tin laurate 6-12 part, normal hexane 5-12 part,
Methyl iso-butyl ketone (MIBK) 2-6 part, NPE 11-23 part, Polyethylene Glycol 5-9
Part, chain extender 8-14 part, described preparation technology comprises the steps:
S1: polyether polyol, Polyethylene Glycol and diisocyanate are mixed, and at 55-70 DEG C
It is stirred 2-4h under environment, obtains mixture A；
S2: add toluene, dibutyl tin laurate, normal hexane, nonyl in mixture A
Phenol polyethenoxy ether and methyl iso-butyl ketone (MIBK) are placed in reactor, are heated to 70-100 DEG C, stirring
1-2h, obtains mixture B；
S3: add chain extender in mixture B and react 3-5h, cooling, obtain described latex
Paint thickening agent.
The preparation technology of Emulsion paint thickener the most according to claim 1, it is characterised in that
Described chain extender include in tirethylene glycol, ethoxyquin tetramethylolmethane or triethanolamine a kind of or
The multiple mixing of person.
Emulsion paint thickener the most according to claim 2, it is characterised in that described chain extension
Agent includes tirethylene glycol, ethoxyquin tetramethylolmethane and triethanolamine, described tirethylene glycol,
The parts by weight ratio of ethoxyquin tetramethylolmethane and triethanolamine is 1:1:1.
Emulsion paint thickener the most according to claim 1, it is characterised in that described latex
Paint thickening agent is colourless-slightly yellow clear viscous liquid.
Emulsion paint thickener the most according to claim 1, it is characterised in that described latex
Paint thickening agent viscosity at normal temperatures is 5000～6000mPa s.
Emulsion paint thickener the most according to claim 1, it is characterised in that described latex
The pH value of paint thickening agent is 6～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262277.0A CN105801801A (en) | 2016-04-25 | 2016-04-25 | Preparation process of emulsion paint thickening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262277.0A CN105801801A (en) | 2016-04-25 | 2016-04-25 | Preparation process of emulsion paint thickening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105801801A true CN105801801A (en) | 2016-07-27 |
Family
ID=56457584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610262277.0A Pending CN105801801A (en) | 2016-04-25 | 2016-04-25 | Preparation process of emulsion paint thickening agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105801801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315391A (en) * | 2018-11-05 | 2019-02-12 | 石家庄宏科生物化工有限公司 | A kind of liquid pesticidal tackifying assistant and preparation method thereof |
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| JP2000503056A (en) * | 1996-01-09 | 2000-03-14 | ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン | Liquid type thickener preparation (▲ II ▼) |
| CN1511895A (en) * | 2002-12-27 | 2004-07-14 | 上海市涂料研究所 | Polyurea polyurethane associated thickening agent for latex paint |
| CN1840588A (en) * | 2005-03-28 | 2006-10-04 | 深圳市海川实业股份有限公司 | Method for preparing association thickener for latex paint |
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| US8298441B1 (en) * | 2007-05-22 | 2012-10-30 | The Sherwin-Williams Company | Method for incorporating water soluble, reactive, phosphorescent pigments into a stable waterborne coating through pH buffering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315391A (en) * | 2018-11-05 | 2019-02-12 | 石家庄宏科生物化工有限公司 | A kind of liquid pesticidal tackifying assistant and preparation method thereof |
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Application publication date: 20160727 |