CN104830267B - Suitable for the environment-friendly type water base adhesive and its manufacture method of low surface tension overlay film - Google Patents

Suitable for the environment-friendly type water base adhesive and its manufacture method of low surface tension overlay film Download PDF

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Publication number
CN104830267B
CN104830267B CN201510252468.4A CN201510252468A CN104830267B CN 104830267 B CN104830267 B CN 104830267B CN 201510252468 A CN201510252468 A CN 201510252468A CN 104830267 B CN104830267 B CN 104830267B
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aqueous
low
tension
environment
adhesive
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CN104830267A (en
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燕雯访
李钢东
严健强
黄天武
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SHANGHAI INNOVA NEW MATERIAL TECHNOLOGY Co Ltd
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SHANGHAI INNOVA NEW MATERIAL TECHNOLOGY Co Ltd
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Abstract

Adhesive bonding method field in terms of the present invention relates to adhesive and on-mechanical, specially a kind of environment-friendly type water base adhesive and its manufacture method suitable for low surface tension overlay film.A kind of environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:Including aqueous polybutadiene urethane emulsion, aqueous acrylic emulsion, acrylate copolymer emulsion, rosin resin solution, aqueous wax emulsion, aqueous moistening flatting agent and pure water.A kind of manufacture method of the environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:By feeding intake, stirring etc., step is prepared from.Initial bonding strength of the present invention is excellent, and the adhesive force to film is good, environmentally friendly, and the packaging box sticky knotting strength to low dyne of paper sealing is high, and ageing-resistant performance is good.

Description

Suitable for the environment-friendly type water base adhesive and its manufacture method of low surface tension overlay film
Technical field
Adhesive bonding method field in terms of the present invention relates to adhesive and on-mechanical, it is specially a kind of to be applied to low surface tension The environment-friendly type water base adhesive and its manufacture method of overlay film.
Background technology
In packaging industry, some stationery packaging product (such as medicine box, wine box, food box, paper hand bag etc.) for The reason such as moistureproof, antifouling, wear-resisting, folding, false proof, raising glossiness, protection internal layer needs overlay film, the plastics commonly used in packing box Thin-film material has polyethylene (PE), polypropylene (PP), polyester (PET) and new Biaxially oriented polypropylene (BOPP) etc., these modelings Material film belongs to non-polar polymer, and its initial surface tension is at a fairly low, and major part is less than 32mN/m, is not suitable for being bonded, So plastic sheeting will carry out sided corona treatment, its surface tension is improved, to be adapted to the bonding of adhesive, the surface of general film Power reaches more than 38mN/m, is just adapted to adhesive bonds.
But even if through sided corona treatment, the surface tension of film can still disappear with the extension of time, the speed of regression with deposit Put environment temperature relevant.Generally, after film carries out sided corona treatment, the resting period of surface tension was on 2 to 3 months left sides It is right;If containing additive in plastic film, film surface is covered in because the material of low-molecular-weight is easily separated out, makes adhesive property It is deteriorated, then the surface tension after processing disappears faster.
At present, the manufacture craft of the paper article packaging product of overlay film class is usually:
1. paper product base material printed patterns are completed in printing house;
2. paper product base material is completed in printing house and be covered with surface treated PP, BOPP film or other types of membranes;
3. moulding process is completed in packing factory, the paper product of overlay film is made box or packaging bag form, covered in this process There is sealing and bond in face and paper product inner face, i.e. the bonding of paper and film.
Due to the not equal reason of machining location, there is storage time between the 2nd and the 3rd procedure, be likely to result in through Film tension value (i.e. dyne value) after surface treatment declines, and causes the sealing bonding of film and paper extremely difficult, if do not had Suitable glue bonding will cause lot of materials to scrap, waste of resource.
The content of the invention
In order to overcome the defect of prior art, there is provided a kind of strong, the applied widely binding agent of cohesive force, the present invention is disclosed A kind of environment-friendly type water base adhesive and its manufacture method suitable for low surface tension overlay film.
The present invention reaches goal of the invention by following technical solution:
A kind of environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:Including following component:
The described environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:Including following component:
The manufacture method of the described environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:By such as Lower step is implemented successively:
Aqueous polybutadiene-urethane emulsion and aqueous acrylic emulsion are thrown in stainless steel stirred tank together first, is opened Dispersion machine is opened, be adjusted to for dispersion unit frequency to implement to stir after 20hz~30hz by different according to output, slowly adds while stirring Enter aqueous moistening flatting agent, 45min~90min is stirred together after adding moistening flatting agent, be then adjusted to dispersion unit frequency 10hz, is slowly added to acrylate copolymer emulsion and aqueous wax emulsion, and dispersion unit frequency is adjusted into 20hz~30hz after adding, and stirs 30min~60min is mixed, keeps rotating speed to be slowly added to rosin resin solution stirring 30min~60min, then will disperse unit frequency 10hz is adjusted to, remaining water is added, dispersion unit frequency is adjusted to 20hz~30hz according to the different of output after finishing, stirred 30min~60min, manufacture is completed after detection physics qualified;General output is high, and the frequency-adjustable of dispersion machine obtains higher, Otherwise the frequency-adjustable of the low then dispersion machine of output must be lower.
Leading indicator of the water base compound stick in application is embodied in following 4 aspects:
A. adhesive strength (tack);
It is that glued base material is torn rotten one bonding packing box to be met along side and tears observation, while being scraped with nail Be attached to the paper substrate on film, if can only tear every time a fritter paper substrate or it is basic if can not scrape any more paper substrate and show the adhesive in film On tack it is good.
B. heat-resisting quantity;
Bonding packing box (at least having placed a day) is put in baking in 60 DEG C of constant temperature oven to take within 48 hours Side seam or base opening are not flicked after out cooling down, while both hands clap packing box not degumming, glued membrane not embrittlement shows the adhesive Heat resistance has no problem.
C. lower temperature resistance;
- 15 DEG C of freezings are taken for 48 hours during bonding packing box (at least having placed a day) is put in into refrigerator urgency jelly room Out, packing box not degumming is clapped with hand after box moisture has been done, glued membrane not embrittlement shows that the resistance to low temperature of the adhesive does not have It is problematic.
D. the retentivity of adhesive strength
The product that above three kinds of adhesive for all having passed through are bonded is preserved into some samples and checks one every two weeks Packing box, both hands clap not degumming, glued membrane not embrittlement, and persistency check half a year all has no problem and shows that what the sealing compound can trust makes With.
The present invention not yet carries out taking the paper wrapper of mouth for film has been covered, because objective factor causes film Surface can be unfavorable for the situation of bonding less than 35mN/m, a kind of adhesive be developed, for for low surface tension film Packing box carries out sealing bonding.
Initial bonding strength of the present invention is excellent, and the adhesive force to film is good, environmentally friendly, and the packing box to low dyne of paper sealing is bonded Intensity is high, and ageing-resistant performance is good.
Brief description of the drawings
Nothing
Specific embodiment
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
Raw material is introduced:
A. aqueous polybutadiene-urethane emulsion is preferable to the adhesiveness of non-polar material and low polar material, there is excellent Low-temperature flexibility, low temperature resistant effect is good, excellent in mechanical performance;
B. aqueous acrylic emulsion is self-crosslinking pressure sensitive adhesive class emulsion, with cohesive force higher, good initial bonding strength, tool There is certain temperature tolerance, have certain adhesive force to plastic sheeting class, the appropriate open hour can be increased;
C. acrylate copolymer emulsion is a kind of copolymer of modified acroleic acid esters, and without voltage-dependent characteristic, excellent is wet viscous Various paper materials are had excellent adhesive property by power, and resistance to elevated temperatures is excellent;
D. rosin resin solution is environment-friendlyplasticizer plasticizer and terpene resin mixed solution, with bonding force effect is increased, is increased The strong adhesive force to plastic film;
E. environment-friendlyplasticizer plasticizer is selected from commercially available Yi Shiman Benzoflex-50, and terpene resin is viscous selected from commercially available Shanghai square field Mixture Technology Co., Ltd.;
F. aqueous wax emulsion is a kind of modified poly ethylene wax emulsion, with improving mobility, improving levelling effect, improves glue The cohesive energy of film, has excellent adhesive force to plastic sheeting, can improve cohesive force, improves open hour, lower temperature resistance;
G. aqueous moistening flatting agent is used to improve the contact area to low surface tension film.
As described below prepared by step for the present embodiment:
1. use 1 ton of stainless steel scuffing of cylinder bore, in stainless steel scuffing of cylinder bore put into 360kg aqueous polybutadiene-urethane emulsion and The aqueous acrylic emulsion of 300kg, starts high speed dispersor and adjusts rotating speed (rpm refers to revolutions per to 500rpm Minute, i.e., rotating speed per minute), stir 10min;
2. the slow input aqueous moistening flatting agents of 2kg, keep rotating speed stirring 20min;
3. rotating speed to 100rpm is turned down, then 200kg acrylate copolymer emulsions and the aqueous wax emulsions of 10kg are slowly thrown Enter, rotating speed is brought up into 500rpm stirrings 15min after finishing;
4. keep rotating speed that 50kg rosin resins solution is slowly put into stirring 30min;
5. turn down rotating speed to put into 78kg pure water to 150rpm, rotating speed is improved to 500rpm, base is tested after stirring 20min Notebook data, qualified rear packaging.
Embodiment 2
As described below prepared by step for the present embodiment:
1. 2 tons of Scattered Kettles are used, to aqueous polybutadiene-urethane emulsion and the water of 400kg that 600kg is put into Scattered Kettle Property acrylic emulsion, starts high speed dispersor and adjusts frequency and 15min is stirred to 20hz;
2. the slow input aqueous moistening flatting agents of 10kg, keep rotating speed stirring 30min;
3. Scattered Kettle frequency to 10hz is turned down, then 600kg acrylate copolymer emulsions and the aqueous wax emulsions of 10kg are delayed Slow input, Scattered Kettle frequency is improved 55min is stirred to 25hz after finishing;
4. keep rotating speed that 200kg rosin resins solution is slowly put into stirring 50min;
5. Scattered Kettle frequency is turned down to by 90kg pure water input, Scattered Kettle frequency being heightened to 25hz into stirring after 10hz Master data, qualified rear packaging are tested after 35min.
Embodiment 3
As described below prepared by step for the present embodiment:
1. 3 tons of stirred tanks are used, to aqueous polybutadiene-urethane emulsion and the water of 720kg that 900kg is put into stirred tank Property acrylic emulsion, starts high speed dispersor and adjusts frequency and 25min is stirred to 25hz;
2. the slow input aqueous moistening flatting agents of 9kg, keep rotating speed stirring 30min;
3. dispersion unit frequency is turned down to 10hz, and then 780kg acrylate copolymer emulsions and the aqueous wax emulsions of 120kg are delayed Slow input, 35min is stirred after dispersion unit frequency is adjusted into 30hz after finishing;
4. keep rotating speed that 270kg rosin resins solution is slowly put into stirring 50min;
5. turn down dispersion unit frequency and dispersion unit frequency is adjusted to 30hz to after water by 201kg pure water input, is finished after 10hz Master data, qualified rear packaging are tested after stirring 35min afterwards.
Embodiment 4
As described below prepared by step for the present embodiment:
1. 3 tons of stirred tanks are used, to aqueous polybutadiene-urethane emulsion and the water of 720kg that 990kg is put into stirred tank Property acrylic emulsion, starts high speed dispersor and stirs 25min after frequency is adjusted into 25hz;
2. the slow input aqueous moistening flatting agents of 12kg, keep rotating speed stirring 30min;
3. dispersion unit frequency is turned down to 10hz, and then 690kg acrylate copolymer emulsions and the aqueous wax emulsions of 150kg are delayed Slow input, 35min is stirred after dispersion unit frequency is adjusted into 30hz after finishing;
4. keep rotating speed that 210kg rosin resins solution is slowly put into stirring 50min;
5. turn down dispersion unit frequency to after 10hz by 228kg pure water input, will be after dispersion unit frequency be adjusted to 30hz after finishing Master data, qualified rear packaging are tested after stirring 35min.
Embodiment 5
As described below prepared by step for the present embodiment:
1. use 1 ton of stainless steel scuffing of cylinder bore, in stainless steel scuffing of cylinder bore put into 400kg aqueous polybutadiene-urethane emulsion and The aqueous acrylic emulsion of 200kg, starts high speed dispersor and rotating speed is adjusted into 500rpm, stirs 10min;
2. the slow input aqueous moistening flatting agents of 1kg, keep rotating speed stirring 20min;
3. rotating speed to 100rpm is turned down, then 250kg acrylate copolymer emulsions and the aqueous wax emulsions of 50kg are slowly thrown Enter, rotating speed is improved to 500rpm after finishing stirs 15min;
4. keep rotating speed that 50kg rosin resins solution is slowly put into stirring 30min;
5. turn down rotating speed to put into 90kg pure water to 100rpm, rotating speed is improved to 500rpm, base is tested after stirring 20min Notebook data, qualified rear packaging.
Embodiment 6
As described below prepared by step for the present embodiment:
1. 2 tons of Scattered Kettles are used, to aqueous polybutadiene-urethane emulsion and the water of 500kg that 700kg is put into Scattered Kettle Property acrylic emulsion, start high speed dispersor and will dispersion unit frequency be adjusted to 20hz after stir 15min;
2. the slow input aqueous moistening flatting agents of 10kg, keep rotating speed stirring 30min;
3. dispersion unit frequency is turned down to 10hz, and then 500kg acrylate copolymer emulsions and the aqueous wax emulsions of 80kg are delayed Slow input, 25min is stirred after dispersion unit frequency is adjusted into 25hz after finishing;
4. keep rotating speed that 160kg rosin resins solution is slowly put into stirring 50min;
5. dispersion unit frequency is turned down to by 50kg pure water input, heightening dispersion unit frequency after 10hz after finishing to stirring after 25hz Master data, qualified rear packaging are tested after mixing 35min.
Comparative example
The corresponding application performance of each embodiment is as shown in table 1:
Table 1:
The basic physical data of each embodiment is:
Solid content (%):50~55,
Viscosity (mPasec/27 DEG C):10000~15000,
PH value:6.00~9.00.

Claims (2)

1. a kind of environment-friendly type water base adhesive suitable for low surface tension overlay film, it is characterized in that:Including following component:
Implement successively as follows:
Aqueous polybutadiene-urethane emulsion and aqueous acrylic emulsion are thrown in stainless steel stirred tank together first, is opened and is divided Machine is dissipated, stirring is implemented after dispersion unit frequency is adjusted into 20hz~30hz, aqueous moistening flatting agent is slowly added into while stirring, added 45min~90min is stirred after moistening flatting agent together, dispersion unit frequency is then adjusted to 10hz, be slowly added to acrylate and be total to Poly- emulsion and aqueous wax emulsion, 20hz~30hz is adjusted to after adding by dispersion unit frequency, stirs 30min~60min, keeps rotating speed Rosin resin solution stirring 30min~60min is slowly added to, dispersion unit frequency is then adjusted to 10hz, add remaining water, thrown The frequency of dispersion machine 2 is adjusted to 20hz~30hz after complete, 30min~60min is stirred, manufacture is completed after detection physics qualified.
2. as claimed in claim 1 suitable for the environment-friendly type water base adhesive of low surface tension overlay film, it is characterized in that:Including such as Lower component:
CN201510252468.4A 2015-05-18 2015-05-18 Suitable for the environment-friendly type water base adhesive and its manufacture method of low surface tension overlay film Active CN104830267B (en)

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Publication number Priority date Publication date Assignee Title
CN107573870A (en) * 2017-09-26 2018-01-12 康菲胶粘剂技术(广东)有限公司 A kind of aqueous, environmental protective pastes box glue
CN107936874A (en) * 2017-11-13 2018-04-20 常州莱尚纺织品有限公司 A kind of aqueous, environmental protective sealing compound and preparation method thereof
CN110027341A (en) * 2019-05-20 2019-07-19 安徽省三环康乐包装材料有限公司 A kind of film covering method of sterile paper box ground paper

Citations (5)

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US6423810B1 (en) * 2001-02-05 2002-07-23 Lord Corporation High strength, long-open time structural polyurethane adhesive and method of use thereof
CN101235129A (en) * 2008-03-05 2008-08-06 安徽大学 Method for preparing polybutadiene-base water polyurethane and modified emulsion thereof
CN101560367A (en) * 2008-04-18 2009-10-21 黄楚填 Aqueousneoprene type environment-friendly glue and preparation method thereof
CN102199412A (en) * 2011-03-29 2011-09-28 哈尔滨大东方卷烟材料科技开发有限责任公司 Environmentally friendly high speed alumite hot stamping gum and manufacturing method thereof
CN103421461A (en) * 2013-08-20 2013-12-04 华南理工大学 Water-based paper and plastic laminating/peelable adhesive and method for manufacturing same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6423810B1 (en) * 2001-02-05 2002-07-23 Lord Corporation High strength, long-open time structural polyurethane adhesive and method of use thereof
CN101235129A (en) * 2008-03-05 2008-08-06 安徽大学 Method for preparing polybutadiene-base water polyurethane and modified emulsion thereof
CN101560367A (en) * 2008-04-18 2009-10-21 黄楚填 Aqueousneoprene type environment-friendly glue and preparation method thereof
CN102199412A (en) * 2011-03-29 2011-09-28 哈尔滨大东方卷烟材料科技开发有限责任公司 Environmentally friendly high speed alumite hot stamping gum and manufacturing method thereof
CN103421461A (en) * 2013-08-20 2013-12-04 华南理工大学 Water-based paper and plastic laminating/peelable adhesive and method for manufacturing same

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