CN105440993A - Adhesive for peel-off type adhesive tape - Google Patents
Adhesive for peel-off type adhesive tape Download PDFInfo
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- CN105440993A CN105440993A CN201510906707.3A CN201510906707A CN105440993A CN 105440993 A CN105440993 A CN 105440993A CN 201510906707 A CN201510906707 A CN 201510906707A CN 105440993 A CN105440993 A CN 105440993A
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- tackiness agent
- adhesive tape
- vinylformic acid
- solvent
- initiator
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Abstract
The invention relates to an adhesive for a peel-off type adhesive tape. The adhesive comprises base stock and a curing agent at the weight ratio of 95-99:1-5. The base stock comprises, by weight, 23-30% of 2-ethylhexyl acrylate 2EHA, 0.05-0.3% of acrylic acid AA, 0.6-1.5% of 2-hydroxyethyl acrylate 2-HEA, 0.8-1% of vinyl acetate VAC, 50-75% of a solvent and 0.1-0.3% of an initiator. The peel-off type adhesive of the invention has good caking property and high peel strength and is not easy to break during the peeing process.
Description
Technical field
The invention belongs to adhesive area, particularly a kind of tackiness agent for exfoliated adhesive tape.
Background technology
Glued joint (bonding, bonding, cementing, gluing) and refer to the technology that homogeneity or heterogeneous body surface stick with glue agent and link together to there is stress distribution continuous, lightweight, or sealing, the features such as most technological temperature is low.Glued joint the connection being specially adapted to unlike material, different thickness, ultra-thin specification and complex component.Glued joint RECENT DEVELOPMENTS the fastest, application industry is extremely wide, and has great effect to high-and-new science and technology progress and people's daily life improvement.Therefore, study, all kinds of tackiness agent of development and production is very important.
Along with going from bad to worse of global environment, people bring into use some environmentfriendly products gradually.Although tackiness agent is not really the huge Chemicals of a class, the harm of environment also be can not be ignored.The tackiness agent of those non-environment-friendly types will be abandoned gradually.Polyvinyl formal tackiness agent (being commonly called as " 107 glue "), due to containing free formaldehyde, is detrimental to health.Forbid already in developed country, but in China because it is cheap, so still have the suitable market share.But its consumption reduces gradually, will all eliminate soon.How to make the tackiness agent of non-environment-friendly type become environmental-protection type adhesive by modification is imperative work.A kind of tackiness agent replaced not containing formaldehyde in plywood making has been studied successfully by Japanese firm.Common urea formaldehyde and melamine tackiness agent contain the formaldehyde that human allergy can be caused to react, and intensity, the water tolerance of this tackiness agent are close with melamine tackiness agent with cost.In today that the cry of environmental protection grows to even greater heights, increasing people starts the development being devoted to biodegradable tackiness agent.The biological degradation of polymkeric substance has been come by hydrolysis and oxygenizement.The polymkeric substance that major part can be degraded contains degradable group, such as amido, hydroxyl, urea groups etc. on its main chain.React with two hydroxyl and ether, the polyester of synthesis containing methylol, as matrix, produces biodegradable tackiness agent, and they are also with containing the butyric ester, valerate, Mierocrystalline cellulose, starch ester etc. of hydroxyl as matrix, with sucrose ester as tackifier, produce the tackiness agent of energy biological degradation or hydrolysis.In addition, with starch or sulfonated ester for matrix, add the wax containing polarity, produce containing polarity, to the tackiness agent of water sensitive, unboiled water solution can be issued in the effect of water, reduction or the pollution eliminated environment when carrying out waste treatment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of tackiness agent for exfoliated adhesive tape, and adhesive viscosity prepared by the present invention is low, and moistureproofness is good, and separability is good, has peelable without adherent phenomenon, and abrasion-resistant, not cull, pulling force are light.
A kind of tackiness agent for exfoliated adhesive tape of the present invention, is characterized in that: the component of described tackiness agent comprises: weight ratio is 95-99:1-5 base-material and solidifying agent;
Wherein base ingredient is: by weight percentage, 2-EHA 2EHA23-30%, vinylformic acid AA0.05-0.3%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.6-1.5%, vinyl acetate VAC0.8-2%; Solvent 50-75%, initiator 0.1-0.3%.
Described solvent is one or more in vinyl acetic monomer, toluene.
Vinyl acetic monomer and the toluene of described solvent to be mass ratio be 1:1.
Described initiator is Diisopropyl azodicarboxylate AIBN.
Described solidifying agent is isocyanates solidifying agent.
Described isocyanates solidifying agent is tolylene diisocyanate, diphenylmethanediisocyanate, isophorone diisocyanate, 1, hexamethylene-diisocyanate, 1, one or more in 5-naphthalene diisocyanate, trimethylammonium 1,6-hexamethylene diisocyanate.
Described base ingredient is: 2-EHA 2EHA27.835%, vinylformic acid AA0.146%, vinylformic acid 2-hydroxy methacrylate 2-HEA1.318%, vinyl acetate VAC1.465%; Solvent 69.002%, initiator 0.234%.
Described base ingredient is: 2-EHA 2EHA25.645%, vinylformic acid AA0.246%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.915%, vinyl acetate VAC1.365%; Solvent 71.614%, initiator 0.215%.
Described base ingredient is: 2-EHA 2EHA23.500%, vinylformic acid AA0.096%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.745%, vinyl acetate VAC1.965%; Solvent 73.579%, initiator 0.115%.
Vinylformic acid AA's is more, and its tackiness agent polarity is higher, and firmly to also larger, thermotolerance is better, and clinging power is also higher, on the contrary, the occasion that AA consumption is few, its tackiness agent polarity is low, and flexibility is good, and clinging power also reduces; AA with few occasion, its tackiness agent hardness is little, and cohesive force is low, i.e. its confining force or determine the reductions such as loading performance.
When 2EHA consumption is more, although its initial stage clinging power improves, As time goes on can reduces, be applicable to the making of exfoliated adhesive tape.2HEA is also monomer, its be with-OH for functional groups, play bridging action with isocyanate hardener.In general tackiness agent, 2HEA consumption is less, only relatively many at exfoliated tackiness agent consumption.
VAC monomer, hardly for initial stage polyreaction, is generally used for later stage interpolation, mainly plays the effect of less residual monomers.
beneficial effect
Adhesive viscosity prepared by the present invention is low, and moistureproofness is good, and separability is good, has peelable without adherent phenomenon, and abrasion-resistant, not cull, pulling force are light.
The cohesiveness of stripping tape of the present invention is good, and intensity is high, and stripping process is not easy fracture.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.The following initial bonding strength pressing GB/T4852-1999 working sample; GB/T4851 working sample confining force.
Embodiment 1
The feed composition of tackiness agent is: tackiness agent is: 95:5 base-material and solidifying agent hexamethylene diisocyanate.
The component of base-material is: by weight percentage: 2-EHA 2EHA27.835%, vinylformic acid AA0.146%, vinylformic acid 2-hydroxy methacrylate 2-HEA1.318%, vinyl acetate VAC1.465%; Vinyl acetic monomer ETAC34.501%, toluene 34.501%, initiator A IBN0.234%.
Viscosity is 125mPaS, clinging power (g/25mm, 23 DEG C) 1000; Stripping strength is (N/cm) 6.5, draws high intensity (MPa) 18.8; Confining force (mm) 1.8; Confining force (mm) 2.0 is surveyed after 40 DEG C of * 24h.
Embodiment 2
The feed composition of tackiness agent is: tackiness agent is: 98:2 base-material and solidifying agent hexamethylene diisocyanate;
Base ingredient is: by weight percentage: 2-EHA 2EHA25.645%, vinylformic acid AA0.246%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.915%, vinyl acetate VAC1.365%; Vinyl acetic monomer ETAC35.807%, toluene 35.807%, initiator A IBN0.215%.
Viscosity is 130mPaS, clinging power (g/25mm, 23 DEG C) 1100; Confining force (mm) 1.5; Confining force (mm) 1.7 is surveyed after 40 DEG C of * 24h; Stripping strength is (N/cm) 5.5, draws high intensity (MPa) 20.2.
Embodiment 3
The feed composition of tackiness agent is: tackiness agent is: 96:4 base-material and solidifying agent hexamethylene diisocyanate;
Base ingredient is: by weight percentage: 2-EHA 2EHA23.500%, vinylformic acid AA0.096%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.745%, vinyl acetate VAC1.965%; Vinyl acetic monomer ETAC36.790%, toluene solvant 36.789%, initiator A IBN0.115%.
Viscosity is 120mPaS, clinging power (g/25mm, 23 DEG C) 900; Stripping strength is (N/cm) 4.5, draws high intensity (MPa) 19.2; Confining force (mm) 1.0; 40 DEG C of * 24h are through surveying confining force (mm) 1.2.
Claims (9)
1. for a tackiness agent for exfoliated adhesive tape, it is characterized in that: the component of described tackiness agent comprises: weight ratio is 95-99:1-5 base-material and solidifying agent;
Wherein base ingredient is: by weight percentage, 2-EHA 2EHA23-30%, vinylformic acid AA0.05-0.3%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.6-1.5%, vinyl acetate VAC0.8-2%; Solvent 50-75%, initiator 0.1-0.3%.
2. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, is characterized in that: described solvent is one or more in vinyl acetic monomer, toluene.
3. a kind of tackiness agent for exfoliated adhesive tape according to claim 2, is characterized in that: vinyl acetic monomer and the toluene of described solvent to be mass ratio be 1:1.
4. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, is characterized in that: described initiator is Diisopropyl azodicarboxylate AIBN.
5. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, is characterized in that: described solidifying agent is isocyanates solidifying agent.
6. a kind of tackiness agent for exfoliated adhesive tape according to claim 5, it is characterized in that: described isocyanates solidifying agent is tolylene diisocyanate, diphenylmethanediisocyanate, isophorone diisocyanate, 1, hexamethylene-diisocyanate, 1, one or more in 5-naphthalene diisocyanate, trimethylammonium 1,6-hexamethylene diisocyanate.
7. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, it is characterized in that: described base ingredient is: 2-EHA 2EHA27.835%, vinylformic acid AA0.146%, vinylformic acid 2-hydroxy methacrylate 2-HEA1.318%, vinyl acetate VAC1.465%; Solvent 69.002%, initiator 0.234%.
8. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, it is characterized in that: described base ingredient is: 2-EHA 2EHA25.645%, vinylformic acid AA0.246%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.915%, vinyl acetate VAC1.365%; Solvent 71.614%, initiator 0.215%.
9. a kind of tackiness agent for exfoliated adhesive tape according to claim 1, it is characterized in that: described base ingredient is: 2-EHA 2EHA23.500%, vinylformic acid AA0.096%, vinylformic acid 2-hydroxy methacrylate 2-HEA0.745%, vinyl acetate VAC1.965%; Solvent 73.579%, initiator 0.115%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906707.3A CN105440993A (en) | 2015-12-08 | 2015-12-08 | Adhesive for peel-off type adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906707.3A CN105440993A (en) | 2015-12-08 | 2015-12-08 | Adhesive for peel-off type adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105440993A true CN105440993A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906707.3A Pending CN105440993A (en) | 2015-12-08 | 2015-12-08 | Adhesive for peel-off type adhesive tape |
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| CN (1) | CN105440993A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368073A (en) * | 2007-11-13 | 2009-02-18 | 陈鹏 | Novel modified acrylic ester adhesion agent and preparation thereof |
| CN101798491A (en) * | 2010-02-25 | 2010-08-11 | 北京高盟新材料股份有限公司 | Pressure sensitive adhesive for protective film and preparation method thereof |
| WO2011075501A2 (en) * | 2009-12-18 | 2011-06-23 | 3M Innovative Properties Company | Pressure sensitive adhesives for low surface energy substrates |
-
2015
- 2015-12-08 CN CN201510906707.3A patent/CN105440993A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368073A (en) * | 2007-11-13 | 2009-02-18 | 陈鹏 | Novel modified acrylic ester adhesion agent and preparation thereof |
| WO2011075501A2 (en) * | 2009-12-18 | 2011-06-23 | 3M Innovative Properties Company | Pressure sensitive adhesives for low surface energy substrates |
| CN101798491A (en) * | 2010-02-25 | 2010-08-11 | 北京高盟新材料股份有限公司 | Pressure sensitive adhesive for protective film and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |