CN108034018A - A kind of water-based sealing latex solution and preparation method thereof - Google Patents
A kind of water-based sealing latex solution and preparation method thereof Download PDFInfo
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- CN108034018A CN108034018A CN201810048742.XA CN201810048742A CN108034018A CN 108034018 A CN108034018 A CN 108034018A CN 201810048742 A CN201810048742 A CN 201810048742A CN 108034018 A CN108034018 A CN 108034018A
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- based sealing
- initiator
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- 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
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives 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; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—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
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The present invention proposes a kind of water-based sealing latex solution and preparation method thereof, belongs to adhesive technical field, the water-based sealing compound adhesion strength prepared using the lotion is high, and heat-resist, frost resistance is good.The water-based sealing latex solution each component and its parts by weight composition are:15~20 parts of polyvinyl alcohol, 2~3 parts of sodium acid carbonate, 15~20 parts of emulsifying agent, 3~4 parts of initiator, 300~500 parts of butyl acrylate, 100~300 parts of vinyl acetate, 10~20 parts of 2 hydroxyl ethyl ester of acrylic acid, 1~2 part of acrylic acid, 1~2 part of n-dodecyl mercaptan, 450~500 parts of 0.5~1 part of sodium hydrogensulfite, 0.5~1 part of defoamer, 2~3 parts of preservative and deionized water.Water-based sealing latex solution provided by the invention is used to prepare water-based sealing compound, can be effectively used for the edge sealing of BOPP/ paper, polishing/paper, PET/ paper, paper/paper, ink/paper and UV glazings/paper or takes mouth.
Description
Technical field
The invention belongs to the lotion used in adhesive technical field, more particularly to a kind of water-based sealing compound and its preparation side
Method.
Background technology
Sealing compound is that a kind of relatively broad adhesive is used in packaging industry, for carton, carton and handbag etc.
Edge sealing interface.Sealing compound mainly has two kinds of oiliness sealing compound and water-based sealing compound.Oiliness sealing compound generally with toluene etc. for solvent,
With SBS, terpene resin and rosin etc. for primary raw material, there is larger harm to environment and health.Water-based sealing compound be with
Water is the environmental-protection type adhesive of decentralized medium, nonhazardous, pollution-free, is gradually replacing oiliness sealing compound.In the market is existing
After use, the easy degumming under high temperature or low temperature environment of manufactured package, causes damages many water-based sealing compounds to enterprise,
Reason is that the adhesion strength, high temperature resistant and resistance to low temperature of these water-based sealing compounds are poor.
The content of the invention
The present invention provides a kind of water-based sealing latex solution and preparation method thereof, the water-based sealing compound prepared using the lotion
Heat-resist, frost resistance is good, can be effectively used for BOPP/ paper, polishing/paper, PET/ paper, paper/paper, ink/paper and UV glazings/paper
Edge sealing takes mouth.
In order to achieve the above object, the present invention provides a kind of water-based sealing latex solution, each component and its parts by weight array
Become:
In the above-mentioned technical solutions, select butyl acrylate as soft monomer, vinyl acetate as hard monomer, the two copolymerization
After can produce preferable cohesive strength, improve water resistance, adhesive force and the transparency.Acrylic acid -2- hydroxyl ethyl esters, acrylic acid is selected to make
For cross-linking monomer, copolymerization is participated in, produces cross-linked structure, improves adhesive strength, high temperature resistant and lower temperature resistance and stability.
Preferably, the polyvinyl alcohol is one or both of PVA1788, PVA0588, PVA1792 or PVA1799
Above by the mixture of any proportioning composition.
Preferably, the emulsifying agent is alkyl sulfate, sulfenyl butanedioic acid polyoxyethylene ether-ester or fatty alcohol polyoxy second
More than one or both of alkene ether by the mixture of any proportioning composition.
Preferably, the initiator is one kind in potassium peroxydisulfate, sodium peroxydisulfate or ammonium persulfate.
Preferably, the defoamer is dimethyl silicone polymer.
Preferably, the preservative is sodium benzoate.
Another aspect provides a kind of preparation method of water-based sealing latex solution, comprise the following steps:
1) 0.4~0.6 part of initiator is dissolved in 5~10 parts of water, obtains just initiator;2.5~3.1 parts of initiators are molten
Solution obtains drop initiator in 40~50 parts of water;0.1~0.3 part of initiator is dissolved in 5~10 parts of water, obtains rear initiator;Will
0.5~1 part of sodium hydrogensulfite is dissolved in 10~20 parts of water, obtains reducing agent;
By 300~500 parts of butyl acrylates, 100~300 parts of vinyl acetates, 10~20 parts of acrylic acid -2- hydroxyl ethyl esters, 1~
2 parts of acrylic acid, 1~2 part of n-dodecyl mercaptan are mixed evenly, and obtain mix monomer;
2) remaining water, 15~20 parts of polyvinyl alcohol are added into reaction kettle, starts stirring, be warming up to 92 DEG C, be dispersed with stirring poly- second
Enol is to being completely dissolved;
3) cool down, keep the temperature between 75~80 DEG C, sequentially add 2~3 parts of sodium acid carbonates, 15~20 parts of emulsifying agents
And first initiator, then with 6 it is small when be at the uniform velocity added dropwise mix monomer and drop initiator;Followed in turn by 0.5 it is small when be at the uniform velocity added dropwise after
Initiator;
4) heat up, keep the temperature between 80~85 DEG C, moderate-speed mixer, when insulation 1 is small;
5) then cooling, when temperature is down to 75 DEG C, slowly solution of sodium bisulfite was at the uniform velocity added with 15 minutes, then will
Temperature is down to 40 DEG C, sequentially adds 0.5~1 part of defoamer, 2~3 portions of preservatives;
6) after mixing, blowing, filtering, up to water-based sealing latex solution.
Compared with prior art, the advantages and positive effects of the present invention are:
1st, it is provided by the present invention it is water-based sealing latex solution using water as decentralized medium, using vinyl acetate, butyl acrylate as
Main monomer is polymerized.Its characteristic with alkali thickening, initial viscosity are high;Using polyvinyl alcohol as Protection glue, possesses binding
Property and compatible stability;Containing special cross-linking monomer acrylic acid -2- hydroxyl ethyl esters, acrylic acid, compound friendship is easily formed with bonding interface
Connection, assigns stronger adhesive force, pliability and holding power;Low Tg, good frost resistance.
2nd, water-based sealing latex solution provided by the present invention, is used to prepare water-based sealing compound, makes its adhesion strength high, heat-resisting
Property is good, and frost resistance is good, meets《HJ 2541-2016 environmental labelling product technical requirements adhesive》、《In GB 18583-2008 rooms
Limits of harmful substances in decorating and renovating material adhesive》Standard requirement, can be widely used for BOPP/ paper, polishing/paper, PET/ paper,
Paper/paper, ink/paper and UV glazings/paper edge sealing or take mouth.
Embodiment
It is described below in conjunction with specific embodiment.
Embodiment 1
1) raw material weighs:
2) preparation process:
0.5kg initiators are dissolved in 5kg water, obtain just initiator;2.5kg initiators are dissolved in 45kg water, are obtained
Drip initiator;0.2kg initiators are dissolved in 5kg water, obtain rear initiator;0.5kg sodium hydrogensulfites are dissolved in 10kg water
In, obtain reducing agent.
By 310kg butyl acrylates, 240kg vinyl acetates, 15kg acrylic acid -2- hydroxyl ethyl esters, 1kg acrylic acid, 1.2kg just
Lauryl mercaptan is mixed evenly, and obtains mix monomer.
420kg water, 17.5kg polyvinyl alcohol are added into reaction kettle, stirring is started, is warming up to 92 DEG C, is dispersed with stirring polyethylene
Alcohol is to being completely dissolved.
Cooling, keep the temperature between 75~80 DEG C, sequentially add 2.2kg sodium acid carbonates, 18kg emulsifying agents and just
Initiator, then with 6 it is small when be at the uniform velocity added dropwise mix monomer and drop initiator, followed in turn by 0.5 it is small when be at the uniform velocity added dropwise after initiator.
Heating, keeps the temperature between 80~85 DEG C, moderate-speed mixer, when insulation 1 is small.
Then cooling, when temperature is down to 75 DEG C, slowly at the uniform velocity added solution of sodium bisulfite, then by temperature with 15 minutes
Degree is down to 40 DEG C, sequentially adds 0.8kg defoamers, 2kg preservatives.
After mixing, blowing, filtering, up to Tg=-25 DEG C of water-based sealing latex solution.
Embodiment 2
1) raw material weighs:
2) preparation process:
0.5kg initiators are dissolved in 5kg water, obtain just initiator;2.5kg initiators are dissolved in 45kg water, are obtained
Drip initiator;0.2kg initiators are dissolved in 5kg water, obtain rear initiator;0.5kg sodium hydrogensulfites are dissolved in 10kg water
In, obtain reducing agent.
By 400kg butyl acrylates, 150kg vinyl acetates, 15kg acrylic acid -2- hydroxyl ethyl esters, 1kg acrylic acid, 1.2kg just
Lauryl mercaptan is mixed evenly, and obtains mix monomer.
420kg water, 17.5kg polyvinyl alcohol are added into reaction kettle, stirring is started, is warming up to 92 DEG C, is dispersed with stirring polyethylene
Alcohol is to being completely dissolved.
Cooling, keep the temperature between 75~80 DEG C, sequentially add 2.2kg sodium acid carbonates, 18kg emulsifying agents and just
Initiator, then with 6 it is small when be at the uniform velocity added dropwise mix monomer and drop initiator, followed in turn by 0.5 it is small when be at the uniform velocity added dropwise after initiator.
Heating, keeps the temperature between 80~85 DEG C, moderate-speed mixer, when insulation 1 is small.
Then cooling, when temperature is down to 75 DEG C, slowly at the uniform velocity added solution of sodium bisulfite, then by temperature with 15 minutes
Degree is down to 40 DEG C, sequentially adds 0.8kg defoamers, 2kg preservatives.
After mixing, blowing, filtering, up to Tg=-35 DEG C of water-based sealing latex solution.
Performance test
According to《GB/T 33320-2016 packaging materials for food and container adhesive》、《HJ 2541-2016 environmental marks
Product technology requires adhesive》、《Limits of harmful substances in GB 18583-2008 indoor decorating and refurnishing materials adhesive》Mark
The physical and chemical index for the water-based sealing latex solution that embodiment 1 to embodiment 2 is prepared in standard is detected, and testing result is such as
Shown in table 1.
1 physical and chemical index testing result of table
Index | Embodiment 1 | Embodiment 2 |
Appearance | Milky uniform liquid | Milky uniform liquid |
PH value | 4.5 | 5.0 |
Non-volatile content | 53.50% | 53.66% |
Viscosity (25 DEG C) | 4500mPa·s | 5500mPa·s |
Free formaldehyde | 0.9g/kg | 0.85g/kg |
In order to which the water-based sealing compound emulsion property obtained to both examples above is evaluated, tested as follows:With
The water-based sealing latex solution obtained in upper two embodiments respectively takes 700g to be put into two containers, then is separately added into sea light generalization
Work Co., Ltd T-139 grappling lotions 150g, the more work(of general Chemical Co., Ltd. T-1316 tertiary carbon lotions 150g, AMP-95 of upper sea light
Energy auxiliary agent 2.5g, 2875 wetting agent 2g, silica 3g, NS-120 rosin milk 60g, dipropylene glycol monomethyl ether 5g, 8034A disappear
Infusion 0.5g, preservative 1.5g, thickener 0.2g, stir evenly after mixing, and two water-based sealing compound finished products are made.
According to《GB/T 33320-2016 packaging materials for food and container adhesive》Standard prepares two water-based sealing compounds
The sample of finished product, and be detected, testing result is as shown in table 2.
2 adhesion strength testing result of table
Index | Standard requirement | 1 finished product sample of embodiment | 2 finished product sample of embodiment |
Peel strength | Wood destruction | Wood destruction | Wood destruction |
Shown by 2 test data of table, the water-based sealing compound that lotion prepared by the present invention is obtained through compounding has very high glue
Knotting strength.
Using constant temperature humidity chamber, the sample of two water-based sealing compound finished products is detected, the testing result such as institute of table 3
Show.
3 heat resistance of table and resistance to low temperature testing result
Shown by 3 test data of table, lotion prepared by the present invention is heat-resist through compounding obtained water-based sealing compound, freeze proof
Property is good.
Claims (7)
1. a kind of water-based sealing latex solution, it is characterised in that each component and its parts by weight composition are:
2. water-based sealing latex solution according to claim 1, it is characterised in that the polyvinyl alcohol for PVA1788,
More than one or both of PVA0588, PVA1792 or PVA1799 by the mixture of any proportioning composition.
3. water-based sealing latex solution according to claim 1, it is characterised in that the emulsifying agent is alkyl sulfate, sulphur
More than one or both of base butanedioic acid polyoxyethylene ether-ester or fatty alcohol polyoxyethylene ether by the mixing of any proportioning composition
Thing.
4. water-based sealing latex solution according to claim 1, it is characterised in that the initiator is potassium peroxydisulfate, over cure
One kind in sour sodium or ammonium persulfate.
5. water-based sealing latex solution according to claim 1, it is characterised in that the defoamer is polydimethylsiloxanes
Alkane.
6. water-based sealing latex solution according to claim 1, it is characterised in that the preservative is sodium benzoate.
7. it is a kind of as claim 1-6 any one of them it is water-based sealing latex solution preparation method, it is characterised in that including with
Lower step:
1) 0.4~0.6 part of initiator is dissolved in 5~10 parts of water, obtains just initiator;2.5~3.1 parts of initiators are dissolved in
In 40~50 parts of water, drop initiator is obtained;0.1~0.3 part of initiator is dissolved in 5~10 parts of water, obtains rear initiator;By 0.5
~1 part of sodium hydrogensulfite is dissolved in 10~20 parts of water, obtains reducing agent;
By 300~500 parts of butyl acrylates, 100~300 parts of vinyl acetates, 10~20 parts of acrylic acid -2- hydroxyl ethyl esters, 1~2 part
Acrylic acid, 1~2 part of n-dodecyl mercaptan are mixed evenly, and obtain mix monomer;
2) remaining water, 15~20 parts of polyvinyl alcohol are added into reaction kettle, starts stirring, be warming up to 92 DEG C, be dispersed with stirring polyvinyl alcohol
To being completely dissolved;
3) cool down, keep the temperature between 75~80 DEG C, sequentially add 2~3 parts of sodium acid carbonates, 15~20 parts of emulsifying agents and
First initiator, then with 6 it is small when be at the uniform velocity added dropwise mix monomer and drop initiator;Followed in turn by 0.5 it is small when be at the uniform velocity added dropwise after trigger
Agent;
4) heat up, keep the temperature between 80~85 DEG C, moderate-speed mixer, when insulation 1 is small;
5) then cooling, when temperature is down to 75 DEG C, slowly at the uniform velocity added solution of sodium bisulfite, then by temperature with 15 minutes
40 DEG C are down to, sequentially adds 0.5~1 part of defoamer, 2~3 portions of preservatives;
6) after mixing, blowing, filtering, up to water-based sealing latex solution.
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CN201810048742.XA CN108034018B (en) | 2018-01-18 | 2018-01-18 | Water-based sealing adhesive emulsion and preparation method thereof |
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CN201810048742.XA CN108034018B (en) | 2018-01-18 | 2018-01-18 | Water-based sealing adhesive emulsion and preparation method thereof |
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CN108034018A true CN108034018A (en) | 2018-05-15 |
CN108034018B CN108034018B (en) | 2020-10-09 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181588A (en) * | 2018-09-11 | 2019-01-11 | 广东天元实业集团股份有限公司 | A kind of logistic label glue, preparation method and application |
CN110964464A (en) * | 2019-10-22 | 2020-04-07 | 山东宇龙高分子科技有限公司 | Preparation method of marble adhesive |
CN113150722A (en) * | 2021-02-25 | 2021-07-23 | 广东银洋环保新材料有限公司 | Adhesive for PVC tablecloth and preparation method thereof |
CN114854339A (en) * | 2022-06-17 | 2022-08-05 | 南京百聚科技有限公司 | Water-based sealing adhesive for bonding PET (polyethylene terephthalate) and BOPP (biaxially-oriented polypropylene) base materials and preparation method thereof |
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CN106366985A (en) * | 2016-09-27 | 2017-02-01 | 威远翰林科技有限公司 | Water-based sealing compound adhesive emulsion and preparation method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181588A (en) * | 2018-09-11 | 2019-01-11 | 广东天元实业集团股份有限公司 | A kind of logistic label glue, preparation method and application |
CN110964464A (en) * | 2019-10-22 | 2020-04-07 | 山东宇龙高分子科技有限公司 | Preparation method of marble adhesive |
CN113150722A (en) * | 2021-02-25 | 2021-07-23 | 广东银洋环保新材料有限公司 | Adhesive for PVC tablecloth and preparation method thereof |
CN114854339A (en) * | 2022-06-17 | 2022-08-05 | 南京百聚科技有限公司 | Water-based sealing adhesive for bonding PET (polyethylene terephthalate) and BOPP (biaxially-oriented polypropylene) base materials and preparation method thereof |
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