CN107987758A - A kind of kraft compounded special-purpose aqueous glue and preparation method thereof - Google Patents
A kind of kraft compounded special-purpose aqueous glue and preparation method thereof Download PDFInfo
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- CN107987758A CN107987758A CN201711137695.8A CN201711137695A CN107987758A CN 107987758 A CN107987758 A CN 107987758A CN 201711137695 A CN201711137695 A CN 201711137695A CN 107987758 A CN107987758 A CN 107987758A
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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
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
-
- 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
-
- 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)
Abstract
The invention belongs to aqueous adhesive field, disclose a kind of kraft compounded special-purpose aqueous glue, the water-based glue as existing for following monomer in crosslinking agent under the conditions of be prepared by seed emulsion polymerization：30~35 parts of acrylic ester monomer；1~3 part of acrylic acid or methacrylic acid；5~8 parts of methyl acrylic ester；10~20 parts of styrene or acrylonitrile；3~5 parts of acrylic acid hydroxyl esters.The material fastness is reliable, production and application is environmentally friendly, reduces production cost, and present invention also offers the production method of the formula.
Description
Technical field
The present invention is a kind of aqueous adhesive, multiple suitable for brown paper and BOPP, PET, VMPET, AL, PE field of compounding
Meet after closing less than 300 degree seal and install zipper etc. after procedure calls, and in particular to a kind of water-based compound adhesive and its preparation side
Method.
Background technology
Brown paper is more secure for environmental protection and food security relative to plastics, and brown paper is used for the ratio of flexible package fast
Speed increases, but the kraft compounded technique glue of flexible package at present, about 90% use solvent-based two-component polyurethane adhesive, and 10%
Using solvent-free two-component polyurethane adhesive, in the market there is no the water-base cement for the professional composite kraft paper for meeting Soft Roll enterprise requirements.
The combination process of Soft Roll industry consumes and is discharged directly to the atmosphere the solvent without burning every year（Ethyl acetate, toluene, industry
Alcohols）About 2,000,000 tons, energy loss is quite serious, while huge contamination hazard is caused to environment.In October, 2015 country just
Formula administers bill by VOC, and industrial solvent is discharged to impose blowdown comprehensively and administer and is taken.
However, the difficulties that one is reluctant to bring to the notice of others of Soft Roll enterprise are：Composite industrial lacks the water-based compound adhesive substitution tradition of dependable performance at present
Solvent-borne type compound adhesive, it is solvent-free it is compound be also at the exploratory stage, not only equipment purchase is of high cost, but also quality is uncontrollable, high
Economic loss caused by rejection rate output makes many wrapping enterprises hope and halt；Original water-based compound adhesive（Including domestic each
Producer and internationally renowned brand）It is all very limited to the adaptive surface of base material, it can not meet comprehensive requirement of kraft compounded technique,
This point, from current water-base cement, counter push away of actual occupation rate is just easy to draw a conclusion in the market；
Combination process thirsts in a kind of performance meeting compound various paper requirements strongly, at the same it is more economical, can reduce
Composite cost, and few change of trying one's best to original compound machine equipment and technique；Only in this way, original compounding machine operating personnel
The use of new glue can be adapted to quickly, and original compound machine equipment can also continue to use and be adopted without increasing substantial amounts of equipment
Cost is purchased, while the use glue cost of unit area can also be reduced on the basis of original, meets the water-based of all conditions above
Glue could really become kraft compounded specialty requirement.
The content of the invention
In order to solve the shortcomings that above-mentioned and deficiency, the present invention provides one kind to be specially adapted for all brown paper and common bag
Intersect compound water-base cement between dress film.
Its concrete scheme is：A kind of kraft compounded special-purpose aqueous glue, the water-based glue are being handed over by following monomer
It is prepared under the conditions of connection agent is existing by seed emulsion polymerization：
30~35 parts of acrylic ester monomer；
1~3 part of acrylic acid or methacrylic acid；
5~8 parts of methyl acrylic ester；
10~20 parts of styrene or acrylonitrile；
3~5 parts of acrylic acid hydroxyl esters.
In above-mentioned kraft compounded special-purpose aqueous glue, the esters of acrylic acid is methyl acrylate, acrylic acid
One or more in ethyl ester, butyl acrylate, Isooctyl acrylate monomer or lauryl acrylate.
In above-mentioned kraft compounded special-purpose aqueous glue, the methyl acrylic ester is methyl methacrylate
One or more in ester, ethyl methacrylate, butyl methacrylate, lauryl methacrylate.
In above-mentioned kraft compounded special-purpose aqueous glue, the acrylic acid hydroxyl esters are methacrylic acid hydroxypropyl
One or more in ester, hydroxyethyl methacrylate.
In above-mentioned kraft compounded special-purpose aqueous glue, the crosslinking agent is added in seed emulsion and main body respectively
In lotion, wherein, 1~2 part of N- hydroxyacrylamides or Diacetone Acrylamide are contained in seed emulsion；The main body breast
Contain 0.4~0.8 part of itaconicacid, ethylene glycol dimethacrylate or the dilute propyl ester of maleic acid two in liquid.
In above-mentioned kraft compounded special-purpose aqueous glue, emulsifying agent 1 is further included in the seed emulsion polymerization
~2 parts, 0.2~0.8 part of initiator, 0.1~0.3 part of buffer, 0.1 part of oxidant, 0.06 part of reducing agent, wetting agent 0.5~1
Part, 0.5~2 part of dispersant, 0.1~0.5 part of defoamer, ammonium hydroxide or 1~3 part of piece aqueous slkali, 40~60 parts of deionized water.
In above-mentioned kraft compounded special-purpose aqueous glue, the emulsifying agent includes：OP-10, NP-10, TX-10,
COPS-1;At least two in CO-436, DNS-86, AT658 and ES-50D.
In above-mentioned kraft compounded special-purpose aqueous glue, the initiator is ammonium persulfate, potassium peroxydisulfate and mistake
One or more in sodium sulphate；The oxidant is sodium peroxydisulfate and/or tert-butyl hydroperoxide；The reducing agent is
Sodium formaldehyde sulfoxylate and/or sodium hydrogensulfite；The wetting agent is OT-75, DC-01, aerochemical 440 or 810；The defoaming
Agent is modified organic silicon class defoamer, mineral oil defoaming agent or acetylenic diols defoamer.
Meanwhile the invention also discloses a kind of preparation method of kraft compounded special-purpose aqueous glue as described above, bag
Include following steps：
Step（1）：Monomer pre-emulsification：Deionized water, emulsifying agent are put into emulsion tank, stirring is started, then adds：Acrylic acid
Esters monomer, acrylic acid either methacrylic acid, methyl acrylic ester, styrene or acrylonitrile, acrylic acid hydroxyl esters, molten
The N- hydroxyacrylamides or Diacetone Acrylamide solved, lasting emulsification a period of time, obtains uniform and stable emulsification list
Body；
Step（2）：The polymerization of seed emulsion：Deionized water, emulsifying agent, buffer are added in a kettle, are warming up to 80~85
Degree Celsius, add initiator, step（1）In obtained emulsified monomer total amount 10%, react 15-30 minutes, then keep the temperature 20-
40 minutes, prepare seed emulsion；
Step（3）：The polymerization of main body lotion：In step（2）In the reaction kettle, continue that remaining all emulsified monomers are added dropwise
With remaining initiator, temperature control is divided to two sections of dropwise additions at 83~85 degree, toward addition in emulsifying kettle according to health when being added dropwise to half
Acid, two dilute propyl ester of ethylene glycol dimethacrylate or maleic acid, stir evenly and are further continued for being added dropwise, and one section is kept the temperature after dripping
Time；Then 75 DEG C are cooled to start to eliminate residual monomer, oxidizing agent solution is first added dropwise, reducing agent is added dropwise in certain interval of time again
Solution；55 DEG C are cooled to again, and pH value is adjusted to 7.0~7.5 with suitable ammonium hydroxide, is then gradually adding wetting agent, dispersant
And defoamer.
The beneficial effects of the present invention are：
The material that the special-purpose aqueous compound adhesive of brown paper of the present invention is adapted to includes：Top layer BOPP, PET and barrier layer PA (Buddhist nuns
Dragon), VMPET, VPCPP, AL（Aluminium foil）Intersecting between brown paper, or brown paper and hot sealing layer CPP, PE is compounded to form multiple
Condensation material；
The water-based compound adhesive of the present invention is one-component, without curing agent, it is possible to achieve the water-base cement of self-crosslinking under room temperature；Very
Environmental protection, it using deionization pure water is dispersion since making to be exactly（Solvent）, it is any easy without adding to during use
Solvent flashing, uses rear contact site（Gluing containing disk, scraper, upper glue roller）All only need the tap water cleaning of cleaning；
Multiunit's cost can be greatly reduced, can be controlled 2-4 per square meter gluing dry measure according to material structure collocation is different
It gram can meet transparency and fastness requirement, per square meter glue cost as low as 9 points of;
This product can be used on original dry compound machine, it is not necessary to increase equipment investment；
Application method and operating procedure are sufficiently close to original main product, and existing practitioner is easily mastered；
Embodiment
With reference to embodiment, technical scheme is described in further detail, but is not formed pair
Any restrictions of the present invention.
In order to which more clearly the present invention will be described, embodiment is listed below to illustrate the superiority of the present invention.
Example 1（Unit：Gram）
Butyl acrylate 190
Ethyl acrylate 30
Lauryl acrylate 19
Methyl methacrylate 12
Hydroxy propyl methacrylate 20
Styrene 80
Acrylonitrile 25
Acrylic acid 12
N- hydroxyacrylamides 10
Itaconicacid 6
OP-10 5
DNS-86 8
COPS-1 1
Ammonium persulfate 3.5
Sodium acid carbonate 0.8
Ammonium hydroxide 6
Wetting agent DC01 4
Dispersant 8
Defoamer 1
Deionized water 559
The preparation method of the water-based composite kraft paper glue special, comprises the following steps：
（1）Monomer pre-emulsification：350 deionized waters, emulsifier op-10 5 and DNS-86 8 are put into emulsion tank, start stirring,
80 turns per minute of rotating speed, is then gradually adding：N- hydroxyacrylamides 10, acrylic acid fourth 190, ethyl acrylate 30, acrylic acid
Lauryl 19, methyl methacrylate 12, hydroxy propyl methacrylate 20, styrene 80, acrylonitrile 25, acrylic acid 12,
Persistently emulsify 30 minutes, obtain uniform and stable emulsified monomer；
（2）The polymerization of seed emulsion：209 deionized waters are added in a kettle, and COPS-1 1, sodium acid carbonate 0.8, is warming up to 80
~85 degrees Celsius, ammonium persulfate 2.5 is added, is added（1）Obtained emulsified monomer 60 in step, reacts 15-30 minutes, then
Insulation 20-40 minutes, prepares seed emulsion；
（3）The polymerization of main body lotion：（2）In the reaction kettle, continue to be added dropwise remaining all emulsified monomers with it is remaining
Initiator, for temperature control at 83~85 degree, total duration about 240 minutes, is divided to two sections of dropwise additions, when being added dropwise to half toward in emulsifying kettle plus
Enter itaconicacid 6, stir evenly and be further continued for being added dropwise, 90 minutes are kept the temperature after dripping；Then it is cooled to 75 degree and starts to eliminate residual
Monomer, is first added dropwise oxidizing agent solution, and reducing agent solution is added dropwise in 10 minutes in interval again；55 degree are cooled to again, with suitable ammonium hydroxide
PH value is adjusted to 7.0-7.5 by 4-6, is then gradually adding wetting agent DC01 4, dispersant 8 and defoamer 1, is added and be stirred for 1
Hour.Detect glue：Whether the parameter such as appearance condition, solid content, viscosity, pH value is in standard claimed range, if up to standard
Then filtered, packed with 300 mesh filter screens.
Case study on implementation 2
Butyl acrylate 200
Isooctyl acrylate monomer 20
Lauryl acrylate 15
Butyl methacrylate 15
Hydroxyethyl methacrylate 10
Styrene 85
Acrylonitrile 25
Methacrylic acid 13
N- hydroxyacrylamides 10
Ethylene glycol dimethacrylate 6
NP-10 4.5
CO-436 6
COPS-1 2
Sodium peroxydisulfate ammonia 3.5
Sodium acid carbonate 1
Tert-butyl hydroperoxide 1
Sodium hydrogensulfite 0.6
Ammonium hydroxide 5
Wetting agent OT-75 4
Dispersant 8
Defoamer 1
Deionized water 566
The preparation method of the water-based composite kraft paper glue special, comprises the following steps：
（1）Monomer pre-emulsification：380 deionized waters, emulsifying agent NP-10 4.5 and CO-436 4 are put into emulsion tank, starts and stirs
Mix, 80 turns per minute of rotating speed, is then gradually adding：N- hydroxyacrylamides 10, butyl acrylate 200, Isooctyl acrylate monomer 20,
Lauryl acrylate 15, butyl methacrylate 15, hydroxyethyl methacrylate 10, styrene 85, acrylonitrile 25, methyl
Acrylic acid 13, persistently emulsifies 30 minutes, obtains uniform and stable emulsified monomer；
（2）The polymerization of seed emulsion：Add 220 deionized waters in a kettle, COPS-1 2, sodium acid carbonate 1, it is warming up to 80~
85 degrees Celsius, ammonium persulfate 2 is added, is added（1）The 65 of obtained emulsified monomer total amount in step, react 15-30 minutes,
20-40 minutes are kept the temperature again, prepare seed emulsion；
（3）The polymerization of main body lotion：（2）In the reaction kettle, continue to be added dropwise remaining all emulsified monomers with it is remaining
Initiator, for temperature control at 83~85 degree, total duration about 240 minutes, is divided to two sections of dropwise additions, when being added dropwise to half toward in emulsifying kettle plus
Enter ethylene glycol dimethacrylate 6, stir evenly and be further continued for being added dropwise, 90 minutes are kept the temperature after dripping；Then 75 degree are cooled to
Start to eliminate residual monomer, oxidizing agent solution is first added dropwise, reducing agent solution is added dropwise in 10 minutes in interval again；55 degree are cooled to again,
PH value is adjusted to 7.0-7.5 with suitable ammonium hydroxide 5, is then gradually adding wetting agent OT-75 4, dispersant 8 and defoamer 1,
Add be stirred for 1 it is small when.Detect glue：Whether the parameter such as appearance condition, solid content, viscosity, pH value is in standard claimed range
It is interior, filtered, packed with 300 mesh filter screens if up to standard.
Case study on implementation 3
Butyl acrylate 190
Isooctyl acrylate monomer 30
Lauryl acrylate 20
Butyl methacrylate 20
Hydroxyethyl methacrylate 15
Styrene 125
Acrylonitrile 10
Methacrylic acid 12
Diacetone Acrylamide 8
The dilute propyl ester 6 of maleic acid two
NP-10 3
ES-50 1
COPS-1 1
Sodium peroxydisulfate 3.2
Sodium acid carbonate 1
Ammonium hydroxide 4.5
Wetting agent 440 4
Dispersant 8
Defoamer 1
Deionized water 600
The preparation method of the water-based composite kraft paper glue special, comprises the following steps：
（1）Monomer pre-emulsification：380 deionized waters, emulsifying agent NP-10 3 and ES-50 1 are put into emulsion tank, start stirring,
80 turns per minute of rotating speed, is then gradually adding：Diacetone Acrylamide 8, acrylic acid fourth 190, Isooctyl acrylate monomer 30, acrylic acid
Lauryl 20, butyl methacrylate 20, hydroxyethyl methacrylate 15, styrene 125, acrylonitrile 10, metering system
Acid 12, persistently emulsifies 30 minutes, obtains uniform and stable emulsified monomer；
（2）The polymerization of seed emulsion：Add 220 deionized waters in a kettle, COPS-1 1, sodium acid carbonate 1, it is warming up to 80~
85 degrees Celsius, sodium peroxydisulfate 2 is added, is added（1）The 80 of obtained emulsified monomer total amount in step, react 15-30 minutes,
20-40 minutes are kept the temperature again, prepare seed emulsion；
（3）The polymerization of main body lotion：（2）In the reaction kettle, continue to be added dropwise remaining all emulsified monomers with it is remaining
Initiator, for temperature control at 83~85 degree, total duration about 220 minutes, is divided to two sections of dropwise additions, when being added dropwise to half toward in emulsifying kettle plus
Enter the dilute propyl ester 6 of maleic acid two, stir evenly and be further continued for being added dropwise, 90 minutes are kept the temperature after dripping；Then 45 degree are cooled to, with appropriate
Ammonium hydroxide 4 pH value is adjusted to 7.0-7.5, be then gradually adding wetting agent 440 4, dispersant 8 and defoamer 1, add and stir again
Mix 1 it is small when.Detect glue：Whether the parameter such as appearance condition, solid content, viscosity, pH value is in standard claimed range, if reached
Mark is then filtered with 300 mesh filter screens, is packed.
Above-described is only presently preferred embodiments of the present invention, all timess made in the range of the spirit and principles in the present invention
What modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of kraft compounded special-purpose aqueous glue, it is characterised in that the water-based glue is by following monomer in crosslinking agent
It is prepared under the conditions of existing by seed emulsion polymerization：
30~35 parts of acrylic ester monomer；
1~3 part of acrylic acid or methacrylic acid；
5~8 parts of methyl acrylic ester；
10~20 parts of styrene or acrylonitrile；
3~5 parts of acrylic acid hydroxyl esters.
2. kraft compounded special-purpose aqueous glue according to claim 1, it is characterised in that the esters of acrylic acid is
One or more in methyl acrylate, ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer or lauryl acrylate.
3. kraft compounded special-purpose aqueous glue according to claim 1, it is characterised in that the methacrylate
Class is methyl methacrylate, ethyl methacrylate, butyl methacrylate, one kind in lauryl methacrylate or more
Kind.
4. kraft compounded special-purpose aqueous glue according to claim 3, it is characterised in that the acrylic acid hydroxyl esters
For the one or more in hydroxy propyl methacrylate, hydroxyethyl methacrylate.
5. kraft compounded special-purpose aqueous glue according to claim 1, it is characterised in that the crosslinking agent adds respectively
It is added in seed emulsion and main body lotion, wherein, N- hydroxyacrylamides or Diacetone Acrylamide 1 are contained in seed emulsion
~2 parts；In the main body lotion containing itaconicacid, ethylene glycol dimethacrylate or the dilute propyl ester 0.4 of maleic acid two~
0.8 part.
6. kraft compounded special-purpose aqueous glue according to claim 1, it is characterised in that the seeded emulsion polymerization
1~2 part of emulsifying agent, 0.2~0.8 part of initiator, 0.1~0.3 part of buffer, 0.1 part of oxidant, reducing agent are further included in method
1~3 part of 0.06 part, 0.5~1 part of wetting agent, 0.5~2 part of dispersant, 0.1~0.5 part of defoamer, ammonium hydroxide or piece aqueous slkali,
40~60 parts of deionized water.
7. kraft compounded special-purpose aqueous glue according to claim 6, it is characterised in that the emulsifying agent includes：
OP-10, NP-10, TX-10, COPS-1;At least two in CO-436, DNS-86, AT658 and ES-50D.
8. kraft compounded special-purpose aqueous glue according to claim 6, it is characterised in that the initiator is over cure
One or more in sour ammonium, potassium peroxydisulfate and sodium peroxydisulfate；The oxidant is sodium peroxydisulfate and/or tert-butyl hydroperoxide
Hydrogen；The reducing agent is sodium formaldehyde sulfoxylate and/or sodium hydrogensulfite；The wetting agent is OT-75, DC-01, aerochemical
440 or 810；The defoamer is modified organic silicon class defoamer, mineral oil defoaming agent or acetylenic diols defoamer.
A kind of 9. preparation method of kraft compounded special-purpose aqueous glue as described in claim 1-8 is any, it is characterised in that
Include the following steps：
Step（1）：Monomer pre-emulsification：Deionized water, emulsifying agent are put into emulsion tank, stirring is started, then adds：Acrylic acid
Esters monomer, acrylic acid either methacrylic acid, methyl acrylic ester, styrene or acrylonitrile, acrylic acid hydroxyl esters, molten
The N- hydroxyacrylamides or Diacetone Acrylamide solved, lasting emulsification a period of time, obtains uniform and stable emulsification list
Body；
Step（2）：The polymerization of seed emulsion：Deionized water, emulsifying agent, buffer are added in a kettle, are warming up to 80~85
Degree Celsius, add initiator, step（1）In obtained emulsified monomer total amount 10%, react 15-30 minutes, then keep the temperature 20-
40 minutes, prepare seed emulsion；
Step（3）：The polymerization of main body lotion：In step（2）In the reaction kettle, continue that remaining all emulsified monomers are added dropwise
With remaining initiator, temperature control is divided to two sections of dropwise additions at 83~85 degree, toward addition in emulsifying kettle according to health when being added dropwise to half
Acid, two dilute propyl ester of ethylene glycol dimethacrylate or maleic acid, stir evenly and are further continued for being added dropwise, and one section is kept the temperature after dripping
Time；Then 75 DEG C are cooled to start to eliminate residual monomer, oxidizing agent solution is first added dropwise, reducing agent is added dropwise in certain interval of time again
Solution；55 DEG C are cooled to again, and pH value is adjusted to 7.0~7.5 with suitable ammonium hydroxide, is then gradually adding wetting agent, dispersant
And defoamer.
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| CN201711137695.8A CN107987758A (en) | 2017-11-16 | 2017-11-16 | A kind of kraft compounded special-purpose aqueous glue and preparation method thereof |
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| CN201711137695.8A CN107987758A (en) | 2017-11-16 | 2017-11-16 | A kind of kraft compounded special-purpose aqueous glue and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086430A (en) * | 2021-11-30 | 2022-02-25 | 温州博德真空镀铝有限公司 | Degradable kraft paper composite paper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221623A (en) * | 2016-08-25 | 2016-12-14 | 广东佰合新材料科技股份有限公司 | Flexible package aqueous moulds composite glue and preparation method thereof |
-
2017
- 2017-11-16 CN CN201711137695.8A patent/CN107987758A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221623A (en) * | 2016-08-25 | 2016-12-14 | 广东佰合新材料科技股份有限公司 | Flexible package aqueous moulds composite glue and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086430A (en) * | 2021-11-30 | 2022-02-25 | 温州博德真空镀铝有限公司 | Degradable kraft paper composite paper |
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Application publication date: 20180504 |