CN109777322A - A method of improving natural emulsion base adhesive self-adhesion - Google Patents
A method of improving natural emulsion base adhesive self-adhesion Download PDFInfo
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- CN109777322A CN109777322A CN201811571835.7A CN201811571835A CN109777322A CN 109777322 A CN109777322 A CN 109777322A CN 201811571835 A CN201811571835 A CN 201811571835A CN 109777322 A CN109777322 A CN 109777322A
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Abstract
The invention discloses a kind of methods for improving natural emulsion base adhesive self-adhesion, and plasticizer, emulsifier, tackifier and filler are added into natural emulsion；The filler is nano material.Based on being 100 parts by weight by natural emulsion, by 8-15 part plasticizer, clarification lotion is made in 1.0-2.3 part emulsifier for mixing, then 0.02-0.1 parts of nipabutyl sodiums of addition thereto, is stirred to powder and is uniformly dispersed；The mixed emulsion prepared is added in natural emulsion, stirring to the oil-free phase in surface, and 1-5 parts of tackifier are added thereto, stirs 10-15min；It is slow added into 0.2-2.0 part filler with 20-40 parts of water dispersions, uses filter screen filtration after the completion of stirring, completes to prepare.Natural emulsion base adhesive produced by the present invention, not ixoderm skin when bonding, hair, no greasy feeling, and compared with common natural emulsion adhesive on the market, there is stronger self-adhesion.
Description
Technical field
The invention belongs to technical field of adhesive preparation, and in particular to a kind of raising natural emulsion base adhesive self-adhesion
Method.
Background technique
Natural emulsion (NRL) is a kind of reproducibility high molecular material, by the polyisoprene and 6% for about forming 94%
Non-rubber component such as lipid, protein, carbohydrate, ash content etc..Natural emulsion pressure sensitive adhesive has an advantage that and 1. uses
Shi Wuxu organic solvent, thus environment will not be polluted without fire hazard when coating.2. the viscosity of lotion is with the change of solid content
Change is smaller, thus the adhesive with high solid content can be made.3. the molecular weight of rubber polymer is higher in latex, therefore dry
The cohesive force of glue film is larger after dry, and weatherability is also relatively good.4. it is with certain tack, as long as applying slight pressure
Be bonded each other, and will not ixoderm skin, hair, no greasy feeling.It, can be free of contamination since it with tack and holds viscosity
In the case of Reusability, to pollution-free by maxxaedium after removing.
Pertinent literature report, the initial bonding strength of natural emulsion adhesive and 180 ° of peel strengths are generally all pressure-sensitive not as good as solution-type
Adhesive.Itself main reason is that: 1. the molecular weight of Heveatex is too big.2. newborn particle surface there are more surfactant,
After coated drying and forming-film, these surface reactive materials can be enriched in the bonding interface of pressure sensitive adhesive surface and adhesive and substrate
On, lead to the decline of pressure sensitive adhesive product initial bonding strength, bonding force.
Summary of the invention
Goal of the invention: in view of the deficiencies of the prior art, the present invention provides a kind of raising natural emulsion base adhesive tacks
The method of energy increases physical crosslinking point using nano material as filler, and arrange in pairs or groups plasticizer, emulsifier, tackifier are stirred into day
In right latex, the natural emulsion pressure sensitive adhesive with high-peeling strength is made.
Technical solution: the purpose of the invention is achieved by the following technical solution:
The present invention provides a kind of methods for improving natural emulsion base adhesive self-adhesion, add and increase into natural emulsion
Mould agent, emulsifier, tackifier and filler；The filler is nano material.
Plasticizer is added into natural emulsion to increase the fast viscosity of adhesive and keep glue surface-brightening smooth；Cream is added
Agent keeps each component homogenization degree in glue system higher；Tackifier and filler, which are added, makes glue machinery performance boost.Aqueous tree
Rouge is used in mixed way with nanofiller, can be mentioned in the polymer segment of nanofiller Uniform Doped natural emulsion and tackifier
For physical crosslinking point to increase the degree of cross linking, enhances its van der Waals, promote its tack.
Preferably, the plasticizer is white oil, because of its low-sulfur, nontoxic, tasteless, it is strong to mix property with natural emulsion stoste, waves
Hair property is good；The emulsifier is one or more of MOA-3 or MO3, and mentioned emulsifier is nontoxic, and effect is preferable when mixing；
The tackifier are that aqueous Petropols can be added directly, asepsis environment-protecting without carrying out solvent or high temperature hydrotropy when use；Institute
Stating filler is nano zine oxide, and nano particle is entrained in the polymer segment of natural emulsion, and the model between its segment can be enhanced
De Huali, and Zn element is tellurium, there is preferable biocompatibility.
It is further preferred that the Particle Size of Nanometer ZnO is one or more of 90 ± 10nm and 30 ± 10nm；Institute
State aqueous Petropols model 1124.
Preferably, the method for the raising natural emulsion base adhesive self-adhesion, specifically includes following operating procedure:
(1) in terms of 100 parts by weight of natural emulsion, plasticizer 8-15 parts by weight, emulsifier 1.0-2.3 are added in a stirring kettle
Clarification lotion is made in parts by weight, stirring in water bath 10-15min；
(2) nipabutyl sodium 0.02-0.1 parts by weight are added in the mixing lotion in step (1), stir 5-10min,
Until powder is uniformly dispersed；
(3) 100 parts by weight of natural emulsion are added in another stirred tank, step (2) are added into the stirred tank and are made
Lotion, stirring in water bath 10-20min；
(4) it is made in lotion to step (3) and tackifier 1-5 parts by weight is added, stir 10-15min；
(5) it is made in lotion to step (4) and is slowly added to stir 10-20min, mistake with 0.2-2.0 parts of filler of water dispersion
Natural emulsion base adhesive is made in filter.
Preferably, bath temperature is controlled at 40-55 DEG C in the step (1)；Bath temperature control exists in the step (3)
40-55℃。
Preferably, the water in the step (5) is 20-40 parts by weight.
Method of the invention ensure that each component is uniformly dispersed in finished product glue, no caking phenomenon and ensure that finished product glue prepare
Effect has a distinct increment.
The present invention also provides a kind of method preparations using the raising natural emulsion base adhesive self-adhesion
Natural emulsion pressure sensitive adhesive, the component comprising following parts by weight:
The adhesive for preparing completion is sprayed on after drying on non-woven fabrics and surveys when carrying out 90 ° of peel test forces by the present invention
Examination.Adhesive obtained has bigger peeling force under identical spread, the identical situation of tensile elongation according to the above method.
Compared with prior art, the invention has the following advantages:
Method of the invention, by nanofiller Uniform Doped natural emulsion polymer segment, provides object by physical agitation
Crosslinking points are managed to enhance its van der Waals, and tackifier of arranging in pairs or groups are viscosified, and the tack of natural emulsion base adhesive is improved
Energy.Natural emulsion base adhesive produced by the present invention, not ixoderm skin, hair when bonding, no greasy feeling, and with common day on the market
Right latex adhesive is compared, and has stronger self-adhesion.
Specific embodiment
Technical solution of the present invention is described in detail below by specific embodiment, but protection scope of the present invention is not
It is confined to the embodiment.
Embodiment 1:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 45 DEG C be added 10 parts of white oils, 1.5 parts of emulsifiers
MOA-3 stirs 10min, and clarification lotion is made；0.05 part of nipalgin fourth rouge sodium is added into clarification lotion and stirs 5min, until
Powder is uniformly dispersed；The mixed emulsion is added in 100 parts of natural emulsions, 2 parts of water-base resins are added in 45 DEG C of stirring 10min
1124,10min is stirred, 0.5 part of the nano zine oxide with 20 parts of water dispersions is added, 10min is stirred, with 120 mesh filter screens
Natural emulsion base adhesive is made in filtering.
Embodiment 2:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 45 DEG C be added 10 parts of white oils, 1.5 parts of emulsifiers
MOA-3,0.05 part of nipalgin fourth rouge sodium stir 15min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is added
Enter 2 parts of water-base resins 1124, stir 15min, add 1.0 parts of the nano zine oxide with 30 parts of water dispersions, stirs 15min；
With 120 mesh filter screen filtrations, natural emulsion base adhesive is made.
Embodiment 3:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 45 DEG C be added 10 parts of white oils, 1.0 parts of emulsifiers
MOA-3,0.05 part of nipalgin fourth rouge sodium stir 10min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is added
Enter 2.5 parts of water-base resins 1124, stir 10min, add 1.0 parts of the nano zine oxide with 30 parts of water dispersions, stirs
10min；With 120 mesh filter screen filtrations, natural emulsion base adhesive is made.
Embodiment 4:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 40 DEG C be added 8 parts of white oils, 1.5 parts of emulsifiers
MO3,0.05 part of nipalgin fourth rouge sodium stir 12min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is added
5 parts of water-base resins 1124 stir 10min, add 1.0 parts of the nano zine oxide with 30 parts of water dispersions, stir 10min；With
Natural emulsion base adhesive is made in 120 mesh filter screen filtrations.
Embodiment 5:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 45 DEG C be added 10 parts of white oils, 2.3 parts of emulsifiers
MOA-3,0.02 part of nipalgin fourth rouge sodium stir 10min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is added
Enter 5 parts of water-base resins 1124, stir 10min, add 1.0 parts of the nano zine oxide with 30 parts of water dispersions, stirs 10min；
With 120 mesh filter screen filtrations, natural emulsion base adhesive is made.
Embodiment 6:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 55 DEG C be added 15 parts of white oils, 1.5 parts of emulsifiers
MOA-3,0.1 part of nipalgin fourth rouge sodium stir 10min；The clarification lotion is added in 100 parts of natural emulsions and stirs 20min, is added
Enter 5 parts of water-base resins 1124, stir 10min, add 2.0 parts of the nano zine oxide with 40 parts of water dispersions, stirs 10min；
With 120 mesh filter screen filtrations, natural emulsion base adhesive is made.
Reference examples 1:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 40 DEG C be added 8 parts of white oils, 1.5 parts of emulsifiers
MOA-3,0.05 part of nipalgin fourth rouge sodium stir 12min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is used
Natural emulsion base adhesive is made in 120 mesh filter screen filtrations.
Reference examples 2:
By natural emulsion be 100 parts by weight based on, in the stirred tank of the water-bath at 45 DEG C be added 15 parts of white oils, 1.5 parts of emulsifiers
MOA-3,0.05 part of nipalgin fourth rouge sodium stir 10min；The clarification lotion is added in 100 parts of natural emulsions and stirs 10min, is used
Natural emulsion base adhesive is made in 120 mesh filter screen filtrations.
By finished adhesive made from embodiment 1-6 and reference examples 1-2, it is sprayed on the tow sides of tearable gauze, room
After temperature is dried, 90 ° of peeling forces when it stretches 20mm are tested.
It is as shown in table 1 through inspection result:
1 peel test force result of table
As seen from the above table, the present invention improves addition ZnO and resin ratio in the method for natural emulsion self-adhesion and does not add ZnO
It is more excellent with the adhesive strength of resin, and without toxic, pollutant component in additive, it is non-hazardous to human body.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (7)
1. a kind of method for improving natural emulsion base adhesive self-adhesion, which is characterized in that add plasticising into natural emulsion
Agent, emulsifier, tackifier and filler；The filler is nano material.
2. the method according to claim 1 for improving natural emulsion base adhesive self-adhesion, which is characterized in that the increasing
Modeling agent is white oil；The emulsifier is one or more of MOA-3 or MO3；The tackifier are aqueous Petropols；It is described
Filler is nano zine oxide.
3. the method according to claim 2 for improving natural emulsion base adhesive self-adhesion, which is characterized in that described to receive
Rice zinc oxide partial size is one or more of 90 ± 10nm and 30 ± 10nm；The aqueous Petropols model 1124.
4. the method according to claim 1-3 for improving natural emulsion base adhesive self-adhesion, feature exist
In, including following operating procedure:
(1) in terms of 100 parts by weight of natural emulsion, plasticizer 8-15 parts by weight, emulsifier 1.0-2.3 weight are added in a stirring kettle
Part, clarification lotion is made in stirring in water bath 10-15min；
(2) nipabutyl sodium 0.02-0.1 parts by weight are added in the mixing lotion in step (1), stir 5-10min, until
Powder is uniformly dispersed；
(3) 100 parts by weight of natural emulsion are added in another stirred tank, cream made from step (2) is added into the stirred tank
Liquid, stirring in water bath 10-20min；
(4) it is made in lotion to step (3) and tackifier 1-5 parts by weight is added, stir 10-15min；
(5) it is made in lotion to step (4) and is slowly added to stir 10-20min with 0.2-2.0 parts of filler of water dispersion, filtered,
Natural emulsion base adhesive is made.
5. the method according to claim 4 for improving natural emulsion base adhesive self-adhesion, which is characterized in that the step
Suddenly bath temperature is controlled at 40-55 DEG C in (1)；Bath temperature control is at 40-55 DEG C in the step (3).
6. the method according to claim 4 for improving natural emulsion base adhesive self-adhesion, which is characterized in that the step
Suddenly the water in (5) is 20-40 parts by weight.
7. the method preparation according to claim 1-3 for improving natural emulsion base adhesive self-adhesion is natural
Emulsion pressure sensitive glue, which is characterized in that the component comprising following parts by weight:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811571835.7A CN109777322A (en) | 2018-12-21 | 2018-12-21 | A method of improving natural emulsion base adhesive self-adhesion |
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| CN201811571835.7A CN109777322A (en) | 2018-12-21 | 2018-12-21 | A method of improving natural emulsion base adhesive self-adhesion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982452A (en) * | 2019-12-17 | 2020-04-10 | 南京师范大学 | Latex emulsion adhesive with stable mechanical property and preparation method thereof |
| CN111040669A (en) * | 2019-12-17 | 2020-04-21 | 南京师范大学 | Solvent type rubber series pressure-sensitive adhesive and preparation method thereof |
| CN112646522A (en) * | 2020-12-18 | 2021-04-13 | 广州市乐基智能科技有限公司 | Pipeline thread sealant and preparation method thereof |
| CN113088219A (en) * | 2021-04-08 | 2021-07-09 | 青岛厚美假睫毛有限公司 | Multifunctional natural false eyelash glue and preparation method thereof |
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| CN101225286A (en) * | 2008-01-31 | 2008-07-23 | 常州市塑料彩印有限公司 | Self-sticky cold-seal adhesive and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982452A (en) * | 2019-12-17 | 2020-04-10 | 南京师范大学 | Latex emulsion adhesive with stable mechanical property and preparation method thereof |
| CN111040669A (en) * | 2019-12-17 | 2020-04-21 | 南京师范大学 | Solvent type rubber series pressure-sensitive adhesive and preparation method thereof |
| CN112646522A (en) * | 2020-12-18 | 2021-04-13 | 广州市乐基智能科技有限公司 | Pipeline thread sealant and preparation method thereof |
| CN112646522B (en) * | 2020-12-18 | 2022-09-30 | 广州市乐基智能科技有限公司 | Pipeline thread sealant and preparation method thereof |
| CN113088219A (en) * | 2021-04-08 | 2021-07-09 | 青岛厚美假睫毛有限公司 | Multifunctional natural false eyelash glue and preparation method thereof |
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