CN103992758B - A kind of curing directly receives adhesive tape and preparation method thereof - Google Patents
A kind of curing directly receives adhesive tape and preparation method thereof Download PDFInfo
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- CN103992758B CN103992758B CN201410247954.2A CN201410247954A CN103992758B CN 103992758 B CN103992758 B CN 103992758B CN 201410247954 A CN201410247954 A CN 201410247954A CN 103992758 B CN103992758 B CN 103992758B
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- adhesive tape
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Abstract
This case discloses a kind of curing and directly receives adhesive tape and preparation method thereof, it coats pet sheet face by sizing material, after drying, direct rolling obtains, and the formula of described sizing material is made up of following material: acrylate pressure sensitive adhesive, modified epoxy resin curing agent, Diisopropyl azodicarboxylate and ethyl acetate.This case adopts the nontoxic composite type modified epoxy curing agent had no irritating odor, and its maturation time is short, and environmental protection is pollution-free to production environment; Solidify obtained binding agent by modified epoxy resin curing agent and contain excellent adhesive property, applied adhesive tape does not pollute adherend after stripping, the repeated multiple times use of energy, and adhesive-coated on base material without the need to isolated material of fitting in advance, can directly rolling, both save man-hour, again reduce production cost.
Description
Technical field
The present invention relates to a kind of adhesive tape, particularly a kind of curing directly receives adhesive tape and preparation method thereof.
Background technology
Adhesive tape is generally made up of base material and binding agent two portions, by bonding, two or more disjunct material is linked together.It scribbles a layer binder on the surface, and binding agent is the earliest from animal and plant, and in last century, rubber is the main component of binding agent, and the modern times are the various polymkeric substance of widespread use then.Binding agent can cling thing, is that this bond can stick together molecule firmly due to the molecule of itself and the intermolecular formation bond for attachment.The composition of binding agent, according to different sorts, has various different polymkeric substance.
Pressuresensitive Tape is a kind of adhesive tape of specific type, and a kind of special binders (pressure sensitive adhesive) is applied on banding substrate and makes by it, and it is made up of pressure sensitive adhesive, base material, primer, back side treatment agent etc. usually.Pressure sensitive adhesive is the most important integral part of Pressuresensitive Tape, and its effect makes adhesive tape have presser sensor adhesion characteristics, mainly contains fabric, plastics film, stationery etc. as base material.Primer is the cohesive strength increasing pressure sensitive adhesive and base material, and during use, pressurization makes adhesive tape and adherend surface adhesion gently.
In the prior art, 2 deficiencies below main existence: 1) conventional preparation technology is arranging one deck isolated material on its surface after pressure-sensitive adhesive coating on base material, this isolated material is generally release film or separate-type paper, in the operation of follow-up adhesive tape winding, this isolated material is stripped again, and adhesive tape is made into our the daily tape roll bought, and the use of isolated material both added production cost, many again single stepping links, consuming time and add cost of labor; 2) in the preparation process of adhesive tape binding agent, the normal isocyanic ester that uses makes solidifying agent, but this solidifying agent maturation time is long, and toxicity is large, has strong and stimulating smell, can affect greatly production plant ambient air environment.
Summary of the invention
For the deficiencies in the prior art part, the invention provides a kind of curing and directly receive adhesive tape and preparation method thereof, be intended to develop a pressure sensitive adhesive binding agent containing the non-stimulated solidifying agent of environmental protection, and aly can have direct rolling, without the need to the adhesive tape of isolated material of fitting in advance.
Technical scheme of the present invention is summarized as follows:
A kind of curing directly receives adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of described sizing material is made up of following material:
Preferably, described curing directly receives adhesive tape, the solid content of described acrylate pressure sensitive adhesive is 45%, surplus is ethyl acetate, and the solids component of described acrylate pressure sensitive adhesive is polymerized by following material: the vinylformic acid of the butyl acrylate of 100 weight parts, the Isooctyl acrylate monomer of 50 ~ 150 weight parts, the methyl acrylate of 20 ~ 30 weight parts, the methyl methacrylate of 15 ~ 25 weight parts and 1 ~ 5 weight part.
Preferably, described curing directly receives adhesive tape, and described modified epoxy resin curing agent is made up of the material of following mass percentage: the 4-methylresorcinol diamines of 40%, the 2-tertiary butyl-4-methylimidazole of 15%, the m-phthalic acid hydrazides of 15% and the zinc chloride of 30%.
Curing directly receives a preparation method for adhesive tape, comprises the following steps:
Step 1): take acrylate pressure sensitive adhesive, modified epoxy resin curing agent, Diisopropyl azodicarboxylate and ethyl acetate respectively by formula according to claim 1 and they are put into reaction vessel and stir 30 minutes, obtain the sizing material that described curing directly receives adhesive tape;
Step 2): described sizing material is spread evenly across in PET film;
Step 3): in the baking oven of 110 DEG C, toast sizing 2 ~ 5 minutes, obtain curing and directly receive adhesive tape.
Preferably, described curing directly receives the preparation method of adhesive tape, the solid content of described acrylate pressure sensitive adhesive is 45%, surplus is ethyl acetate, and the solids component of described acrylate pressure sensitive adhesive is polymerized by following material: the vinylformic acid of the butyl acrylate of 100 weight parts, the Isooctyl acrylate monomer of 50 ~ 150 weight parts, the methyl acrylate of 20 ~ 30 weight parts, the methyl methacrylate of 15 ~ 25 weight parts and 1 ~ 5 weight part.
Preferably, described curing directly receives the preparation method of adhesive tape, and described modified epoxy resin curing agent is made up of the material of following mass percentage: the 4-methylresorcinol diamines of 40%, the 2-tertiary butyl-4-methylimidazole of 15%, the m-phthalic acid hydrazides of 15% and the zinc chloride of 30%.
The invention has the beneficial effects as follows: 1) this case adopts the nontoxic composite type modified epoxy curing agent had no irritating odor, and its maturation time is short, and environmental protection is pollution-free to production environment; 2) solidify obtained binding agent by modified epoxy resin curing agent and contain excellent adhesive property, applied adhesive tape does not pollute adherend after stripping, the repeated multiple times use of energy, and adhesive-coated on base material without the need to isolated material of fitting in advance, can directly rolling, both save man-hour, again reduce production cost.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
A kind of curing directly receives adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of sizing material is made up of following material:
Wherein, Diisopropyl azodicarboxylate is initiator.Diisopropyl azodicarboxylate is oil-soluble azo initiator, and azo-initiator stable reaction is first order reaction, does not have side reaction, relatively good control, so be widely used in high molecular research and production.
The solid content of acrylate pressure sensitive adhesive is 45%, surplus is ethyl acetate, and the solids component of acrylate pressure sensitive adhesive is polymerized by following material: the vinylformic acid of the butyl acrylate of 100 weight parts, the Isooctyl acrylate monomer of 50 ~ 150 weight parts, the methyl acrylate of 20 ~ 30 weight parts, the methyl methacrylate of 15 ~ 25 weight parts and 1 ~ 5 weight part.Butyl acrylate, Isooctyl methacrylate are soft monomers, are mainly used in the pliability and the viscosity that improve pressure sensitive adhesive; Methyl acrylate, methyl methacrylate are hard monomers, are mainly used in the second-order transition temperature and the integral hardness that improve pressure sensitive adhesive; Vinylformic acid is function monomer, is mainly used in improving solvent resistance and providing cross-linking set.The common ratio that can change all kinds of monomer according to the different demands of product, because this case mainly prepares binding agent, therefore the content of soft monomer is higher, other hard monomers and function monomer relatively low as modified additive content.
Generally, acrylate pressure sensitive adhesive solidifying agent used is isocyanate curing agent, and epoxy curing agent only with epoxy resin generation chemical reaction, form netted space polymer.This case uses modified epoxy resin curing agent as the solidifying agent of acrylate pressure sensitive adhesive in a creative way, and it is made up of the material of following mass percentage: the 4-methylresorcinol diamines of 40%, the 2-tertiary butyl-4-methylimidazole of 15%, the m-phthalic acid hydrazides of 15% and the zinc chloride of 30%.Aromatic amine comes into one's own owing to having higher Tg (second-order transition temperature), but limits application due to its hypertoxicity.But then have through the aromatic diamines solidifying agent of modification that Tg is high, toxicity is low, water-intake rate is low, the advantage of good combination property.Imidazole curing agent is a class high reactivity solidifying agent, acrylate cures can be made in the middle-temperature section short period of time, therefore its storage period is short, need to carry out chemical modification to it, introduce larger substituting group formation in the molecule thereof and there is sterically hindered imidazole derivative, and generate corresponding imidazole salts complex compound to transition metal inorganic salt, its storage period, hydrolytic resistance and humidity resistance could be increased.Organic acid anhydride class solidifying agent has good stability in storage, although its solidification value is higher, the mechanical property of cured product, dielectric properties and resistance toheat are all very outstanding.But due to acid anhydrides facile hydrolysis, such solidifying agent wet fastness is poor, and is not easy to carry out chemical modification.The characteristic that this case is independent of each other according to this three classes solidifying agent of 4-methylresorcinol diamines, the 2-tertiary butyl-4-methylimidazole and m-phthalic acid hydrazides, learn from other's strong points to offset one's weaknesses the use that to be combined by these three kinds of solidifying agent, its cured product can get the strong point of three's solidifying agent just well.Zinc chloride is a kind of Lewis acid, and it is the promotor of aromatic amine, imidazoles and acid anhydrides, and zinc chloride and three carry out coordination and generate corresponding metal complex, to improve the stability of solidifying agent, toughness and activity.
The preparation method that this curing directly receives adhesive tape comprises the following steps:
Step 1): take acrylate pressure sensitive adhesive, modified epoxy resin curing agent, Diisopropyl azodicarboxylate and ethyl acetate respectively by above-mentioned formula and they are put into reaction vessel and stir 30 minutes, obtain the sizing material that curing directly receives adhesive tape;
Step 2): the sizing material that upper step obtains is spread evenly across in PET film;
Step 3): in the baking oven of 110 DEG C, toast sizing 2 ~ 5 minutes, obtain curing and directly receive adhesive tape.
The adhesive tape obtained according to aforesaid method has special sticky stickiness, can directly rolling, and without the need to the separated type materials such as release film of fitting, binding agent does not depart from, and does not peel off in base material.
Embodiment 1
A kind of curing directly receives adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of sizing material is made up of following material:
Set time: 24h under normal temperature, 5h at 60 DEG C;
Tensile test: 25G/inch;
The bonding force test of glue: hundred lattice tests are without coming unstuck.
Embodiment 2
A kind of curing directly receives adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of sizing material is made up of following material:
Set time: 24h under normal temperature, 2h at 60 DEG C;
Tensile test: 5G/inch;
The bonding force test of glue: hundred lattice tests are without coming unstuck.
Embodiment 3
A kind of curing directly receives adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of sizing material is made up of following material:
Set time: 24h under normal temperature, 4h at 60 DEG C;
Tensile test: 16G/inch;
The bonding force test of glue: hundred lattice tests are without coming unstuck.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.
Claims (2)
1. curing directly receives an adhesive tape, and it coats pet sheet face by sizing material, and after drying, direct rolling obtains, and the formula of described sizing material is made up of following material:
The solid content of described acrylate pressure sensitive adhesive is 45%, surplus is ethyl acetate, and the solids component of described acrylate pressure sensitive adhesive is polymerized by following material: the vinylformic acid of the butyl acrylate of 100 weight parts, the Isooctyl acrylate monomer of 50 ~ 150 weight parts, the methyl acrylate of 20 ~ 30 weight parts, the methyl methacrylate of 15 ~ 25 weight parts and 1 ~ 5 weight part;
Described modified epoxy resin curing agent is made up of the material of following mass percentage: the 4-methylresorcinol diamines of 40%, the 2-tertiary butyl-4-methylimidazole of 15%, the m-phthalic acid hydrazides of 15% and the zinc chloride of 30%.
2. curing directly receives a preparation method for adhesive tape, it is characterized in that, comprises the following steps:
Step 1): take acrylate pressure sensitive adhesive, modified epoxy resin curing agent, Diisopropyl azodicarboxylate and ethyl acetate respectively by formula according to claim 1 and they are put into reaction vessel and stir 30 minutes, obtain the sizing material that described curing directly receives adhesive tape;
Step 2): described sizing material is spread evenly across in PET film;
Step 3): in the baking oven of 110 DEG C, toast sizing 2 ~ 5 minutes, obtain curing and directly receive adhesive tape;
The solid content of described acrylate pressure sensitive adhesive is 45%, surplus is ethyl acetate, and the solids component of described acrylate pressure sensitive adhesive is polymerized by following material: the vinylformic acid of the butyl acrylate of 100 weight parts, the Isooctyl acrylate monomer of 50 ~ 150 weight parts, the methyl acrylate of 20 ~ 30 weight parts, the methyl methacrylate of 15 ~ 25 weight parts and 1 ~ 5 weight part;
Described modified epoxy resin curing agent is made up of the material of following mass percentage: the 4-methylresorcinol diamines of 40%, the 2-tertiary butyl-4-methylimidazole of 15%, the m-phthalic acid hydrazides of 15% and the zinc chloride of 30%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410247954.2A CN103992758B (en) | 2014-06-06 | 2014-06-06 | A kind of curing directly receives adhesive tape and preparation method thereof |
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| CN201410247954.2A CN103992758B (en) | 2014-06-06 | 2014-06-06 | A kind of curing directly receives adhesive tape and preparation method thereof |
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| CN103992758A CN103992758A (en) | 2014-08-20 |
| CN103992758B true CN103992758B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110272701A (en) * | 2019-06-26 | 2019-09-24 | 上海品阳复合材料有限公司 | A kind of dedicated splicing adhesive tape of lamp cloth, preparation method and special blender |
| CN113020127B (en) * | 2021-02-07 | 2022-12-30 | 广东艾普升智能装备有限公司 | Machine tool gap rust removal protection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533164A (en) * | 2011-12-07 | 2012-07-04 | 新丰杰力电工材料有限公司 | Thermo-sensitive acrylate pressure-sensitive adhesive and adhesive tape and preparation method of adhesive and adhesive tape |
| CN103031090A (en) * | 2012-12-26 | 2013-04-10 | 宁波大榭开发区综研化学有限公司 | Acid-free OCA and adhesive belt and fabrication method of acid-free OCA and adhesive belt |
| CN103820049A (en) * | 2014-02-13 | 2014-05-28 | 江苏景宏新材料科技有限公司 | Coating, baking and aftertreatment technology of solvent type polyacrylate pressure sensitive adhesive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004035841A (en) * | 2002-07-08 | 2004-02-05 | Hitachi Chem Co Ltd | Adhesive sheet, semiconductor device, and its production method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533164A (en) * | 2011-12-07 | 2012-07-04 | 新丰杰力电工材料有限公司 | Thermo-sensitive acrylate pressure-sensitive adhesive and adhesive tape and preparation method of adhesive and adhesive tape |
| CN103031090A (en) * | 2012-12-26 | 2013-04-10 | 宁波大榭开发区综研化学有限公司 | Acid-free OCA and adhesive belt and fabrication method of acid-free OCA and adhesive belt |
| CN103820049A (en) * | 2014-02-13 | 2014-05-28 | 江苏景宏新材料科技有限公司 | Coating, baking and aftertreatment technology of solvent type polyacrylate pressure sensitive adhesive |
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Address after: 223900 Sihong Province Economic Development Zone, West Ocean Road, No. 6, No. Patentee after: Jiangsu Stick new materials Polytron Technologies Inc Address before: 215400 Taicang Economic Development Zone, Jiangsu, Qingdao West Road, No. 11, No. Patentee before: Suzhou Sidike New Material Science & Technology Co., Ltd. |
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