CN109251725A - A kind of trademark adhesive and preparation method thereof - Google Patents
A kind of trademark adhesive and preparation method thereof Download PDFInfo
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- CN109251725A CN109251725A CN201811104046.2A CN201811104046A CN109251725A CN 109251725 A CN109251725 A CN 109251725A CN 201811104046 A CN201811104046 A CN 201811104046A CN 109251725 A CN109251725 A CN 109251725A
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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
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
- C09J189/005—Casein
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of trademark adhesives and preparation method thereof, belong to macromolecule adhesive field.The present invention is using linseed oil as raw material, utilize the lipophilic hydrophily reduced in casein of linseed oil, so that the water resistance of trademark adhesive is improved, the introducing of hexamethylene diisocyanate simultaneously, contain symmetrical structure, so that the crystallinity of performed polymer enhances, the active force of molecule interchain increases, and increases the mechanical property of trademark adhesive；Using phenyltrimethoxysila,e, sodium hydroxide as raw material, the modifying agent of part of polyhedral oligomeric silsesquioxane is synthesized, improves the mechanical tensile strength of trademark adhesive；Using oxidised maize starch as raw material, acetic anhydride is added and is esterified, so that starch is easier to be gelatinized, there is better assisted tag glue filming performance, improve initial bonding strength, enhances the crosslinking switching performance between each component, it is easily peelable after dry, reduce the residual of trademark adhesive.The initial bonding strength that the present invention solves current trademark adhesive is poor, the low problem of water resistance.
Description
Technical field
The invention belongs to macromolecule adhesive technical fields, more particularly to a kind of trademark adhesive and preparation method thereof.
Background technique
Trademark adhesive is also known as trade mark adhesive, refers to the adhesive for adhesive label, and one word of label refers to originally ties up to Christ founder
A strap or band on bishop's cap, are the symbols of power and mark, and early in 1700, Europe, which has been printed out, was used in drug
With first label on cloth as commodity identification, so, strictly speaking: label be classification for indicating your target or
Content seems the crucial words that you determine to your target, searches and position the tool of oneself target with other people convenient for you oneself,
Initial labeling, because the requirement to adhesive is not high, usually with natural gum, animal glue and its is changed with having been manually done
Property bottle in based on, the disadvantage is that dry slow, initial bonding strength is poor, and water resistance is low, and label is easy to fall off in transport and storage process, with section
The requirement of development, people's trademark adhesive is higher and higher；Requirement with people to environmental protection is higher and higher, due to plastics
Bottle, the carton of overlay film, handbag, especially are difficult to be bonded, even if using containing with the product that the apolar substances such as PE, PP are raw material
There is the adhesive of solvent is also only short-term to be bonded, and generally uses the plastic label glue containing solvent currently on the market, it is easily dirty
Environment is contaminated, price is high, and storage period is short, pollution is especially easily caused on drug or food packaging bottle, so going out to China's product
Mouth, food hygiene, environmental pollution bring certain influence, and researching and developing a kind of trademark adhesive that can overcome drawbacks described above becomes this field
Technical staff's technical problem urgently to be resolved.
Summary of the invention
The technical problems to be solved by the invention: poor for the initial bonding strength of current trademark adhesive, the low problem of water resistance provides
A kind of trademark adhesive and preparation method thereof.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of trademark adhesive, including toughening adjuvant, modifying agent, peel strength reinforcing agent；
The toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 2 ~ 5:1 in mass ratio ~ 3 that trimethylolpropane mixing is added, is warming up to 210 ~ 220 DEG C of 1 ~ 3h of heat preservation, it is cooling
To room temperature, cooled material is obtained, takes cooled material 1 ~ 3:4 in mass ratio ~ 8 that hexamethylene diisocyanate is added, is passed through nitrogen protection, is risen
Temperature is stirred 1 ~ 3h to 80 ~ 85 DEG C, is cooled to room temperature to get toughening adjuvant.
The preparation method of the modifying agent:
(1) it takes phenyltrimethoxysila,e 1 ~ 4:10 in mass ratio ~ 20 that isopropanol is added, adds the hydrogen of isopropanol quality 1 ~ 3%
Sodium oxide molybdena and the water of isopropanol quality 5 ~ 10% are stirred, and are passed through nitrogen protection, are kept the temperature in oil bath, are stirred then at 25 ~ 30 DEG C
Mixing 15 ~ for 24 hours, rotary evaporation, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 2 ~ 7:10 in mass ratio ~ 15 that tetrahydrofuran is added, is stirred 10 ~ 20min in 20 ~ 25 DEG C, drip
Add the glacial acetic acid of vacuum drying amount of substance 30 ~ 40% to be stirred, obtain mixture, mixture 80 ~ 100:5 ~ 10 in mass ratio is taken to add
Entering water to be stirred, rotary evaporation is extracted through chloroform, takes extract liquor washed, is stood, and subnatant selection evaporation is taken, and it is dry, i.e.,
Obtain modifying agent.
Heat-retaining condition in the step (1) in oil bath are as follows: 4 ~ 7h is kept the temperature in 65 ~ 70 DEG C of oil baths.
The peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 1 ~ 4:10 in mass ratio ~ 20 that water is added, 30 ~ 50min is stirred in 50 ~ 60 DEG C, adjust pH
To 8 ~ 8.5, the acetic anhydride of oxidised maize starch quality 5 ~ 10% is added, 60 ~ 90min is stirred in 20 ~ 25 DEG C, adjusts pH
To 4.5 ~ 5, filters, suction filtration slag is taken to wash through deionized water, drying ground 200 meshes, collected sieving particle；
S2. it takes sieving particle 1 ~ 5:10 in mass ratio ~ 15 that deionized water is added, is warming up to 55 ~ 60 DEG C and is stirred 20 ~ 40min,
Mixture is obtained, takes mixture 10 ~ 15:5 in mass ratio ~ 9:40 ~ 50 that methyl-etherified hexamethylol melamine resin, anhydrous second is added
Alcohol is stirred, and the citric acid for adding mixture quality 5 ~ 10% is stirred to get peel strength reinforcing agent.
Peel strength reinforcing agent is stirred condition in the step S2 are as follows: is warming up to 80 ~ 85 DEG C and is stirred 1 ~ 3h.
A kind of preparation method of trademark adhesive, includes the following steps:
According to the mass fraction, take 30 ~ 50 parts of toughening adjuvants, 10 ~ 20 parts of modifying agent, 10 ~ 15 parts of peel strength reinforcing agents, 60 ~
80 parts of casein powder, 10 ~ 20 parts of polyvinyl alcohol, 100 ~ 150 parts of deionized waters, in 4000rpm 3 ~ 5min of homogeneous, mixing 10 ~
20min is stirred, and is cooled to room temperature to get trademark adhesive.
It is described to be stirred condition are as follows: to be stirred 1 ~ 3h in 75 ~ 80 DEG C.
The present invention is compared with other methods, and advantageous effects are:
(1) the trimethylolpropane reservation modified, intact to linseed oil progress hydroxylating is added using linseed oil as raw material in the present invention
Double bond in linseed oil structure makees the performed polymer of obtained linseed oil and hexamethylene diisocyanate synthesis of polyurethane class
For toughening adjuvant, base polyurethane prepolymer for use as is formed largely under the action of Strong shear power
Polyaminoester microball, isocyanates are chemically reacted with the hydrophilic radical on trademark adhesive main component casein, are utilized
The lipophilic hydrophily reduced in casein of linseed oil, so that the water resistance of trademark adhesive is improved, while hexa-methylene
The introducing of diisocyanate, containing symmetrical structure, so that the crystallinity of performed polymer enhances, the active force of molecule interchain increases,
Increase the mechanical property of trademark adhesive；
(2) present invention synthesizes the modifying agent of part of polyhedral oligomeric silsesquioxane using phenyltrimethoxysila,e, sodium hydroxide as raw material,
On the one hand in its similar intercalation configuration having access trademark adhesive matrix, excessive crosslinking is not only avoided, is also added and label
The compatibility of matrix body, on the other hand it can serve as filler in trademark adhesive, be enriched at phase separating interface, improve phase point
From degree, to improve the mechanical tensile strength of trademark adhesive；
(3) present invention is added acetic anhydride and is esterified using oxidised maize starch as raw material, so that starch is easier to be gelatinized, has more
Methyl-etherified hexamethylol melamine resin, active group and shallow lake using resin is added in good assisted tag glue filming performance
Hydroxyl in powder molecule has carried out turning etherification reaction, and hydroxyl, which reacts, generates ehter bond, and viscosity improves, while casein protein matter
Act on enhancing between starch molecule, form the desmachyme of high level expansion, improve with combine crosslinking in trademark adhesive after formed
The adhesion strength and viscosity of network structure improve initial bonding strength, enhance the crosslinking switching performance between each component, easy-peel after dry
From reducing the residual of trademark adhesive.
Specific embodiment
Toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 2 ~ 5:1 in mass ratio ~ 3 that trimethylolpropane mixing is added, is warming up to 210 with the heating rate of 15 DEG C/min
~ 220 DEG C of 1 ~ 3h of heat preservation, are cooled to room temperature, obtain cooled material, take cooled material 1 ~ 3:4 in mass ratio ~ 8 that two isocyanide of hexa-methylene is added
Acid esters is passed through nitrogen protection, is warming up to 80 ~ 85 DEG C and is stirred 1 ~ 3h, is cooled to room temperature to get toughening adjuvant.
The preparation method of modifying agent:
(1) it takes phenyltrimethoxysila,e 1 ~ 4:10 in mass ratio ~ 20 that isopropanol is added, adds the hydrogen of isopropanol quality 1 ~ 3%
The water of sodium oxide molybdena and isopropanol quality 5 ~ 10%, is stirred 5 ~ 10min, is passed through nitrogen protection, keeps the temperature 4 in 65 ~ 70 DEG C of oil baths
~ 7h, it is stirred 15 then at 25 ~ 30 DEG C ~ for 24 hours, rotary evaporation, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 2 ~ 7:10 in mass ratio ~ 15 that tetrahydrofuran is added, is stirred 10 ~ 20min in 20 ~ 25 DEG C, drip
The glacial acetic acid for adding vacuum drying amount of substance 30 ~ 40%, is stirred 2 ~ 4h, obtains mixture, take mixture 80 ~ 100:5 in mass ratio
~ 10 are added water, are stirred 30 ~ 50min, rotary evaporation is extracted through chloroform, takes extract liquor successively through saturated sodium bicarbonate solution
It is washed with deionized water, stands 3 ~ 5h, take subnatant selection evaporation, it is dry to get modifying agent.
Peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 1 ~ 4:10 in mass ratio ~ 20 that water is added, 30 ~ 50min is stirred in 50 ~ 60 DEG C, adjust pH
To 8 ~ 8.5, the acetic anhydride of oxidised maize starch quality 5 ~ 10% is added, 60 ~ 90min is stirred in 20 ~ 25 DEG C, adjusts pH
To 4.5 ~ 5, filters, suction filtration slag is taken to wash through deionized water, drying ground 200 meshes, collected sieving particle；
S2. it takes sieving particle 1 ~ 5:10 in mass ratio ~ 15 that deionized water is added, is warming up to 55 ~ 60 DEG C and is stirred 20 ~ 40min,
Mixture is obtained, takes mixture 10 ~ 15:5 in mass ratio ~ 9:40 ~ 50 that methyl-etherified hexamethylol melamine resin, anhydrous second is added
Alcohol is stirred 40 ~ 60min, adds the citric acid of mixture quality 5 ~ 10%, is warming up to 80 ~ 85 DEG C and is stirred 1 ~ 3h,
Up to peel strength reinforcing agent.
A kind of preparation method of trademark adhesive, includes the following steps:
According to the mass fraction, take 30 ~ 50 parts of toughening adjuvants, 10 ~ 20 parts of modifying agent, 10 ~ 15 parts of peel strength reinforcing agents, 60 ~
80 parts of casein powder, 10 ~ 20 parts of polyvinyl alcohol, 100 ~ 150 parts of deionized waters, in 4000rpm 3 ~ 5min of homogeneous, mixing 10 ~
20min is stirred 1 ~ 3h then at 75 ~ 80 DEG C, is cooled to room temperature to get trademark adhesive.
Toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 2:1 in mass ratio that trimethylolpropane mixing is added, 210 DEG C of guarantors is warming up to the heating rate of 15 DEG C/min
Warm 1h, is cooled to room temperature, and obtains cooled material, takes cooled material 1:4 in mass ratio that hexamethylene diisocyanate is added, and is passed through nitrogen guarantor
Shield, is warming up to 80 DEG C and is stirred 1h, be cooled to room temperature to get toughening adjuvant.
The preparation method of modifying agent:
(1) it takes phenyltrimethoxysila,e 1:10 in mass ratio that isopropanol is added, adds the sodium hydroxide of isopropanol quality 1%
With the water of isopropanol quality 5%, it is stirred 5min, is passed through nitrogen protection, keeps the temperature 4h in 65 DEG C of oil baths, is stirred then at 25 DEG C
15h, rotary evaporation are mixed, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 2:10 in mass ratio that tetrahydrofuran is added, 10min is stirred in 20 DEG C, vacuum drying is added dropwise
The glacial acetic acid of amount of substance 30%, is stirred 2h, obtains mixture, takes mixture 80:5 in mass ratio that water is added, is stirred
30min, rotary evaporation are extracted through chloroform, and extract liquor is taken successively to wash through saturated sodium bicarbonate solution and deionized water, are stood
3h takes subnatant selection evaporation, dry to get modifying agent.
Peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 1:10 in mass ratio that water is added, 30min is stirred in 50 DEG C, adjust pH to 8, add
The acetic anhydride of oxidised maize starch quality 5% is stirred 60min in 20 DEG C, adjusts pH to 4.5, filters, and takes and filters slag
Ion water washing, it is dry, 200 meshes were ground, sieving particle is collected；
S2. it takes sieving particle 1:10 in mass ratio that deionized water is added, is warming up to 55 DEG C and is stirred 20min, obtain mixture, take
Methyl-etherified hexamethylol melamine resin, dehydrated alcohol is added in mixture 10:5:40 in mass ratio, is stirred 40min, then
The citric acid of mixture quality 5% is added, is warming up to 80 DEG C and is stirred 1h to get peel strength reinforcing agent.
A kind of preparation method of trademark adhesive, includes the following steps:
According to the mass fraction, take 30 parts of toughening adjuvants, 10 parts of modifying agent, 10 parts of peel strength reinforcing agents, 60 parts of casein powder,
10 parts of polyvinyl alcohol, 100 parts of deionized waters are stirred 1h then at 75 DEG C in 4000rpm homogeneous 3min, mixing 10min, cold
But to room temperature to get trademark adhesive.
Toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 5:3 in mass ratio that trimethylolpropane mixing is added, 220 DEG C of guarantors is warming up to the heating rate of 15 DEG C/min
Warm 3h, is cooled to room temperature, and obtains cooled material, takes cooled material 3:8 in mass ratio that hexamethylene diisocyanate is added, and is passed through nitrogen guarantor
Shield, is warming up to 85 DEG C and is stirred 3h, be cooled to room temperature to get toughening adjuvant.
The preparation method of modifying agent:
(1) it takes phenyltrimethoxysila,e 4:20 in mass ratio that isopropanol is added, adds the sodium hydroxide of isopropanol quality 3%
With the water of isopropanol quality 10%, it is stirred 10min, is passed through nitrogen protection, 7h is kept the temperature in 70 DEG C of oil baths, is stirred then at 30 DEG C
Mix mixing for 24 hours, rotary evaporation, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 7:15 in mass ratio that tetrahydrofuran is added, 20min is stirred in 25 DEG C, vacuum drying is added dropwise
The glacial acetic acid of amount of substance 40%, is stirred 4h, obtains mixture, takes mixture 100:10 in mass ratio that water is added, is stirred
50min, rotary evaporation are extracted through chloroform, and extract liquor is taken successively to wash through saturated sodium bicarbonate solution and deionized water, are stood
5h takes subnatant selection evaporation, dry to get modifying agent.
Peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 4:20 in mass ratio that water is added, is stirred 50min in 60 DEG C, adjust pH to 8.5, then plus
The acetic anhydride for entering oxidised maize starch quality 10% is stirred 90min in 25 DEG C, adjusts pH to 5, filters, and takes and filters slag
Ion water washing, it is dry, 200 meshes were ground, sieving particle is collected；
S2. it takes sieving particle 5:15 in mass ratio that deionized water is added, is warming up to 60 DEG C and is stirred 40min, obtain mixture, take
Methyl-etherified hexamethylol melamine resin, dehydrated alcohol is added in mixture 15:9:50 in mass ratio, is stirred 60min, then
The citric acid of mixture quality 10% is added, is warming up to 85 DEG C and is stirred 3h to get peel strength reinforcing agent.
A kind of preparation method of trademark adhesive, includes the following steps:
According to the mass fraction, take 50 parts of toughening adjuvants, 20 parts of modifying agent, 15 parts of peel strength reinforcing agents, 80 parts of casein powder,
20 parts of polyvinyl alcohol, 150 parts of deionized waters are stirred 3h then at 80 DEG C in 4000rpm homogeneous 5min, mixing 20min, cold
But to room temperature to get trademark adhesive.
Toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 3:2 in mass ratio that trimethylolpropane mixing is added, 215 DEG C of guarantors is warming up to the heating rate of 15 DEG C/min
Warm 2h, is cooled to room temperature, and obtains cooled material, takes cooled material 2:6 in mass ratio that hexamethylene diisocyanate is added, and is passed through nitrogen guarantor
Shield, is warming up to 83 DEG C and is stirred 2h, be cooled to room temperature to get toughening adjuvant.
The preparation method of modifying agent:
(1) it takes phenyltrimethoxysila,e 3:15 in mass ratio that isopropanol is added, adds the sodium hydroxide of isopropanol quality 2%
With the water of isopropanol quality 7%, it is stirred 7min, is passed through nitrogen protection, keeps the temperature 5h in 67 DEG C of oil baths, is stirred then at 27 DEG C
20h, rotary evaporation are mixed, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 5:13 in mass ratio that tetrahydrofuran is added, 15min is stirred in 22 DEG C, vacuum drying is added dropwise
The glacial acetic acid of amount of substance 35%, is stirred 3h, obtains mixture, takes mixture 90:7 in mass ratio that water is added, is stirred
40min, rotary evaporation are extracted through chloroform, and extract liquor is taken successively to wash through saturated sodium bicarbonate solution and deionized water, are stood
4h takes subnatant selection evaporation, dry to get modifying agent.
Peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 3:15 in mass ratio that water is added, is stirred 40min in 55 DEG C, adjust pH to 8.2, then plus
The acetic anhydride for entering oxidised maize starch quality 7% is stirred 70min in 23 DEG C, adjusts pH to 4.7, filters, and takes and filters slag warp
Deionized water washing, it is dry, 200 meshes were ground, sieving particle is collected；
S2. it takes sieving particle 3:13 in mass ratio that deionized water is added, is warming up to 57 DEG C and is stirred 30min, obtain mixture, take
Methyl-etherified hexamethylol melamine resin, dehydrated alcohol is added in mixture 13:7:45 in mass ratio, is stirred 50min, then
The citric acid of mixture quality 7% is added, is warming up to 82 DEG C and is stirred 2h to get peel strength reinforcing agent.
A kind of preparation method of trademark adhesive, includes the following steps:
According to the mass fraction, take 40 parts of toughening adjuvants, 15 parts of modifying agent, 13 parts of peel strength reinforcing agents, 70 parts of casein powder,
15 parts of polyvinyl alcohol, 120 parts of deionized waters are stirred 2h then at 78 DEG C in 4000rpm homogeneous 4min, mixing 15min, cold
But to room temperature to get trademark adhesive.
Comparative example 1: it is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking toughening adjuvant.
Comparative example 2: it is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking modifying agent.
Comparative example 3: it is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking peel strength reinforcing agent.
Comparative example 4: the trademark adhesive of company of Ningbo City production.
The trademark adhesive that above-described embodiment is prepared with comparative example is detected, test method: initial bonding strength test: by GB/
T4852-2002B measurement.Glue sample is dissolved in toluene to summarize, is made into the solution of 50% solid content with 100 μm of painting glue stick (spread
Sol solution is uniformly applied on PET film (10.0 × 2.5cm) for 20-30g/m2), lying in tilt angle after drying is
21。On 30 ' tack device, helps rolling section to roll down from the inclined surface distant place 10.0cm No. 14 steel balls of a standard, record steel ball
In the distance that test section is rolled.Test group number is no less than 2 groups, and every group of test data is no less than 5, takes its average value；It holds viscous
Power test: it is measured by GB/T4851-84.Glue sample is dissolved in toluene, the solution of 50% solid content is made into, with 4 μm of painting glue sticks (on
Glue amount is 2-3g/m2) sol solution is uniformly applied on PET film on (7.0 × 2.5cm), PET film (coated face) is affixed on examination
On template, with the pressure roller of 2kg come back pressure three times after be vertically hung on test stand, lower end hang 1kg counterweight, record sample it is complete
The time of disengaging, test group number are no less than 3 groups, take its average value；The measurement of water-resistance: the masking foil that will aluminize be cut into 10.5cm ×
Then the glue of preparation is evenly coated in the masking foil back side of aluminizing by the specification of 7.5cm, be pasted on clean vial, is flattened,
It cannot there are bubbles.Vial is put in insulating box 45 DEG C of dryings for 24 hours.Then vial is vertically put in 20 ± 2 DEG C of water
In, at interval of 3h, vial is rotated, counterclockwise each 10 times clockwise, label paper, which has, to fall off or duration that alice phenomenon occurs, i.e.,
For the water resistant time；180 ° of peel strength tests: it is measured by GB/T2792-1998.Adhesive (spread 25- will be evenly coated with
35g/m2) PET film (10.0 × 2.5cm) be affixed on test board, turning pressing roller manually and roll back and forth three times with 2kg weight is put
Adhesive tape is sandwiched on device after setting 10min, pulling force peel test is carried out, film is stripped down from test plate surface at 180 °,
Test speed is 300mm/min, reads and records, and parallel testing four times, calculates average value, obtains that the results are shown in Table 1.
Table 1:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Tack/cm | 1.8 | 1.6 | 2.2 | 2.6 | 2.4 | 2.3 | 4.5 |
| Holding power/h | 39 | 48 | 40 | 21 | 25 | 27 | 6 |
| Peel strength/N/cm | 5.8 | 6.7 | 5.9 | 5.1 | 5.6 | 4.1 | 2.7 |
| The water resistant time/h | 92 | 100 | 89 | 56 | 67 | 75 | 12 |
In summary, trademark adhesive effect of the invention is more preferable as can be seen from Table 1, is worth of widely use, and the foregoing is merely this
The preferred mode of invention, is not intended to limit the invention, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc. should all include again within protection scope of the present invention.
Claims (7)
1. a kind of trademark adhesive, which is characterized in that including toughening adjuvant, modifying agent, peel strength reinforcing agent；
The toughening adjuvant the preparation method comprises the following steps:
It takes linseed oil 2 ~ 5:1 in mass ratio ~ 3 that trimethylolpropane mixing is added, is warming up to 210 ~ 220 DEG C of 1 ~ 3h of heat preservation, it is cooling
To room temperature, cooled material is obtained, takes cooled material 1 ~ 3:4 in mass ratio ~ 8 that hexamethylene diisocyanate is added, is passed through nitrogen protection, is risen
Temperature is stirred 1 ~ 3h to 80 ~ 85 DEG C, is cooled to room temperature to get toughening adjuvant.
2. trademark adhesive according to claim 1, which is characterized in that the modifying agent the preparation method comprises the following steps:
(1) it takes phenyltrimethoxysila,e 1 ~ 4:10 in mass ratio ~ 20 that isopropanol is added, adds the hydrogen of isopropanol quality 1 ~ 3%
Sodium oxide molybdena and the water of isopropanol quality 5 ~ 10% are stirred, and are passed through nitrogen protection, are kept the temperature in oil bath, are stirred then at 25 ~ 30 DEG C
Mixing 15 ~ for 24 hours, rotary evaporation, vacuum drying obtains vacuum drying object；
(2) it takes vacuum drying object 2 ~ 7:10 in mass ratio ~ 15 that tetrahydrofuran is added, is stirred 10 ~ 20min in 20 ~ 25 DEG C, drip
Add the glacial acetic acid of vacuum drying amount of substance 30 ~ 40% to be stirred, obtain mixture, mixture 80 ~ 100:5 ~ 10 in mass ratio is taken to add
Entering water to be stirred, rotary evaporation is extracted through chloroform, takes extract liquor washed, is stood, and subnatant selection evaporation is taken, and it is dry, i.e.,
Obtain modifying agent.
3. trademark adhesive according to claim 2, which is characterized in that the heat-retaining condition in the step (1) in oil bath are as follows:
4 ~ 7h is kept the temperature in 65 ~ 70 DEG C of oil baths.
4. trademark adhesive according to claim 1, which is characterized in that the peel strength reinforcing agent the preparation method comprises the following steps:
S1. it takes oxidised maize starch 1 ~ 4:10 in mass ratio ~ 20 that water is added, 30 ~ 50min is stirred in 50 ~ 60 DEG C, adjust pH
To 8 ~ 8.5, the acetic anhydride of oxidised maize starch quality 5 ~ 10% is added, 60 ~ 90min is stirred in 20 ~ 25 DEG C, adjusts pH
To 4.5 ~ 5, filters, suction filtration slag is taken to wash through deionized water, drying ground 200 meshes, collected sieving particle；
S2. it takes sieving particle 1 ~ 5:10 in mass ratio ~ 15 that deionized water is added, is warming up to 55 ~ 60 DEG C and is stirred 20 ~ 40min,
Mixture is obtained, takes mixture 10 ~ 15:5 in mass ratio ~ 9:40 ~ 50 that methyl-etherified hexamethylol melamine resin, anhydrous second is added
Alcohol is stirred, and the citric acid for adding mixture quality 5 ~ 10% is stirred to get peel strength reinforcing agent.
5. trademark adhesive according to claim 4, which is characterized in that the stirring of peel strength reinforcing agent is mixed in the step S2
Conjunction condition are as follows: be warming up to 80 ~ 85 DEG C and be stirred 1 ~ 3h.
6. a kind of preparation method of the trademark adhesive as described in claim 1 ~ 5 any one, which is characterized in that the preparation method packet
Include following steps:
According to the mass fraction, take 30 ~ 50 parts of toughening adjuvants, 10 ~ 20 parts of modifying agent, 10 ~ 15 parts of peel strength reinforcing agents, 60 ~
80 parts of casein powder, 10 ~ 20 parts of polyvinyl alcohol, 100 ~ 150 parts of deionized waters, in 4000rpm 3 ~ 5min of homogeneous, mixing 10 ~
20min is stirred, and is cooled to room temperature to get trademark adhesive.
7. the preparation method of trademark adhesive according to claim 6, which is characterized in that described to be stirred condition are as follows: in 75 ~
80 DEG C are stirred 1 ~ 3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811104046.2A CN109251725A (en) | 2018-09-21 | 2018-09-21 | A kind of trademark adhesive and preparation method thereof |
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| CN201811104046.2A CN109251725A (en) | 2018-09-21 | 2018-09-21 | A kind of trademark adhesive and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN109251725A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675351A (en) * | 1984-11-14 | 1987-06-23 | Borden, Inc. | Labeling adhesives |
| CN1869143A (en) * | 2006-06-30 | 2006-11-29 | 上海天之冠可再生能源有限公司 | High speed water resistant metal label glue and its preparation method |
| CN102643304A (en) * | 2012-03-30 | 2012-08-22 | 山东大学 | Preparation method of cage poly (phenylsilsequioxane) |
| CN106883815A (en) * | 2017-03-17 | 2017-06-23 | 丹阳市宏森仪表化工有限公司 | One kind can meet beer bottle and reclaim wash bottle quickly de- target Labeling Adhesive with Super and preparation method |
-
2018
- 2018-09-21 CN CN201811104046.2A patent/CN109251725A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675351A (en) * | 1984-11-14 | 1987-06-23 | Borden, Inc. | Labeling adhesives |
| CN1869143A (en) * | 2006-06-30 | 2006-11-29 | 上海天之冠可再生能源有限公司 | High speed water resistant metal label glue and its preparation method |
| CN102643304A (en) * | 2012-03-30 | 2012-08-22 | 山东大学 | Preparation method of cage poly (phenylsilsequioxane) |
| CN106883815A (en) * | 2017-03-17 | 2017-06-23 | 丹阳市宏森仪表化工有限公司 | One kind can meet beer bottle and reclaim wash bottle quickly de- target Labeling Adhesive with Super and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 范冰冰: "以聚氨酯微球改性制备疏水热塑性干酪素的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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Application publication date: 20190122 |