CN113403009A - Hot-melt pressure-sensitive adhesive for newly retail packaged RFID (radio frequency identification) label and preparation method and application thereof - Google Patents
Hot-melt pressure-sensitive adhesive for newly retail packaged RFID (radio frequency identification) label and preparation method and application thereof Download PDFInfo
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- CN113403009A CN113403009A CN202110745220.7A CN202110745220A CN113403009A CN 113403009 A CN113403009 A CN 113403009A CN 202110745220 A CN202110745220 A CN 202110745220A CN 113403009 A CN113403009 A CN 113403009A
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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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
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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
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/387—Block-copolymers
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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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/334—Applications of adhesives in processes or use of adhesives in the form of films or foils as a label
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a hot-melt pressure-sensitive adhesive for a new retail packaging RFID label, and a preparation method and application thereof, wherein the hot-melt pressure-sensitive adhesive for the new retail packaging RFID label is prepared from the following components in parts by weight: 20-30 parts of SIS rubber, 5-20 parts of SEBS rubber, 30-50 parts of hydrogenated C5 petroleum resin, 5-10 parts of terpene resin, 3-8 parts of maleic anhydride modified olefin resin, 7-15 parts of white mineral oil and 1-5 parts of an anti-aging agent. The invention improves the adhesive force of the hot-melt pressure-sensitive adhesive to special plastics through the design of the formula, so that the initial adhesive force of the hot-melt pressure-sensitive adhesive to newly-sold difficult-to-adhere plastics is more than 20N/inch, the hot-melt pressure-sensitive adhesive can be instantly adhered to special-shaped plastic materials without rebounding and warping marks, and no residue is left after the hot-melt pressure-sensitive adhesive is uncovered for 8 hours in an environment of 70 ℃.
Description
Technical Field
The invention relates to a pressure-sensitive adhesive technology, in particular to a hot-melt pressure-sensitive adhesive for a new retail package RFID label, and a preparation method and application thereof.
Background
With the development of times, retail packaging modes on the market are changed day by day, and the requirement for attaching special-shaped plastic bottles and flexible plastics is met under the condition of new retail packaging. For example, the method is applied to the bottom of a special-shaped beverage bottle and the joint between flexible plastic and an RFID label. When the conventional common pressure-sensitive adhesive is used for adhering the bottom of the special-shaped plastic bottle and the flexible plastic, the problems of label warping, resilience and the like of the RFID label are easily caused because the special-shaped plastic and the flexible plastic are difficult to adhere. In addition, the common pressure-sensitive adhesive sticker is not suitable for long-term transportation, because the hot melt adhesive is easily aged in a high-temperature environment for a long time, and adhesive residue is generated when the RFID label is unfastened; after the label is torn, the adhesive part has residual glue, which dirties the hands of the consumer; when the retail packaging is recyclable material, recycling of the packaging is not facilitated.
Disclosure of Invention
In order to overcome the shortcomings of the prior art, one of the objects of the present invention is to provide a new hot melt pressure sensitive adhesive for retail packaging RFID tags. Aiming at special-shaped plastic bottles and flexible plastic bags in the market for new retail packaging, pain points such as warping and rebounding are easy to appear when common pressure-sensitive adhesives are bonded, the adhesive force of the hot-melt pressure-sensitive adhesive to special plastics is improved through the design of the formula, so that the initial adhesive force of the hot-melt pressure-sensitive adhesive to new retail non-stick plastics is more than 20N/inch, the warping and the rebounding can be instantly bonded and can not be rebounded when the special-shaped plastic materials are bonded, and no residue is left when the labels are uncovered for 8 hours at 70 ℃. The invention solves the problem that the newly-sold special-shaped plastic material is difficult to adhere, and after the aging environment, the pain point of residual glue is generated after the label is untied.
The invention also aims to provide a preparation method of the hot-melt pressure-sensitive adhesive for the RFID label of the new retail package. The preparation method is simple, easy to operate and suitable for large-scale production.
The invention also aims to provide application of the hot-melt pressure-sensitive adhesive for the RFID label of the new retail package, namely a using method of the hot-melt pressure-sensitive adhesive for the RFID label of the new retail package.
One of the purposes of the invention is realized by adopting the following technical scheme: the hot-melt pressure-sensitive adhesive for the RFID tag of the new retail package is prepared from the following components in parts by weight:
further, the SIS rubber is selected from styrene-isoprene-styrene SIS rubber with a designation of 6113 produced by the cosumta corporation or styrene-isoprene-styrene SIS rubber with a designation of 1106 produced by the tomatite creel;
the SEBS rubber is selected from one of SEBS rubber with the brand number of G1652 of Keteng company in America, SEBS rubber with the brand number of Y501 of Yuani Ba Ling company and SEBS rubber with the brand number of 1106/1126 of Yuani Ba Ling company.
Further, the hydrogenated C5 petroleum resin is selected from one of hydrogenated C5 petroleum resin with the trademark of Hedgeon company H5-1001, hydrogenated C5 petroleum resin with the trademark of Iseman company C-100R, and C5 petroleum resin with the trademark of Jinhai company JH-3100/JH 3204.
Further, the terpene resin is selected from terpene resins of French DRT company with the brand number of Piccolyte-A115/F115IG/S115, DERCOLYTE S115/A115 and terpene resins of Kemao company with the brand number of KT5100/KT100/KT 2150.
Further, the maleic anhydride modified olefin resin is selected from one of maleic anhydride modified olefin resin with a trademark of TAFMER MA9015/MA8510 of Mitsui chemical company and maleic anhydride modified olefin resin with a trademark of Amplify GR204/380/208 of Dow chemical company.
Further, the white mineral oil is selected from one of the white mineral oil with the grade of KN4010 of Clarity company and the white mineral oil with the grade of Primol N382 of Exxon Mobil company.
Further, the anti-aging agent is selected from an anti-aging agent with the brand number of EVERNOX-10/10GF of Taiwan Miaochun company or an anti-aging agent with the brand number of EVERFOS-168/168 GF.
The second purpose of the invention is realized by adopting the following technical scheme: a preparation method of a hot-melt pressure-sensitive adhesive for a new retail packaging RFID label is characterized by comprising the following steps:
1) heating the heating furnace to 155-165 ℃, adding the white mineral oil, the anti-aging agent and the rubber into the heating furnace once, stirring continuously, and stirring for 30-50min to completely melt the system;
2) after the system is melted, keeping the temperature of the heating furnace at 145-155 ℃, adding hydrogenated C5 petroleum resin and maleic anhydride modified olefin resin, and continuously stirring to completely melt the system;
3) and finally, adding terpene resin, uniformly stirring for 30min, vacuumizing, removing bubbles, discharging, and cooling to room temperature to obtain the hot-melt pressure-sensitive adhesive for the newly retail packaged RFID tag.
Further, in the hot-melt pressure-sensitive adhesive for the new retail packaging RFID tag, the weight parts of the components are as follows:
the third purpose of the invention is realized by adopting the following technical scheme: the application of the hot-melt pressure-sensitive adhesive for the new retail packaging RFID label is as follows:
(1) heating the temperature of gluing equipment to 170 ℃, coating the hot-melt pressure-sensitive adhesive for the new retail package RFID label on a substrate with a chip by using the gluing equipment, naturally cooling, and then compounding release paper on the substrate to form an RFID label material;
(2) cutting the RFID label material obtained in the step (1) into RFID labels with specified sizes, unwinding the RFID labels, and attaching the RFID labels to special-shaped plastic bottles and flexible plastic tapes to finish coating.
Compared with the prior art, the invention has the beneficial effects that:
(1) aiming at special-shaped plastic bottles and flexible plastic bags in the market for new retail packaging, pain points such as warping and rebounding are easy to appear when common pressure-sensitive adhesives are bonded, the adhesive force of the hot-melt pressure-sensitive adhesive to special plastics is improved through the design of the formula, so that the initial adhesive force of the hot-melt pressure-sensitive adhesive to new retail non-stick plastics is more than 20N/inch, the warping and the rebounding can be instantly bonded and can not be rebounded when the special-shaped plastic materials are bonded, and no residue is left when the labels are uncovered for 8 hours at 70 ℃. The invention solves the problem that the newly-sold special-shaped plastic material is difficult to adhere, and after the aging environment, the pain point of residual glue is generated after the label is untied.
(2) In addition, the product of the invention is applied to the label at the bottom of the beverage bottle, after the consumer purchases and tears the label, the bonding part has no residual glue, thus avoiding the trouble of dirtying the hands of the consumer; when the package is a recyclable material, recycling of the package is facilitated.
(3) The preparation method is simple, easy to operate and suitable for large-scale production.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified.
The hot-melt pressure-sensitive adhesive for the RFID tag of the new retail package is prepared from the following components in parts by weight:
the hot-melt pressure-sensitive adhesive for the novel retail packaging RFID label has the following formula principle:
on the basis of SIS, the addition of SEBS supplements the components of the main hot melt adhesive, and on the other hand, the SEBS has better compatibility with white mineral oil and improves the phenomenon of adhesive residue at high temperature. The hydrogenated C5 petroleum resin has the function of tackifying resin in the thermal-sensitive adhesive and balancing the compatibility of a formula system. The terpene resin plays a role in the thermosensitive adhesive to improve the bonding strength of the terpene resin to the different PET bottle. The maleic anhydride modified olefin resin has the function of improving the adhesion to the PP/PE material in the thermosensitive adhesive. Compared with the common hot-melt pressure-sensitive adhesive, the terpene resin endows the system with excellent adhesive force to the chip surface material; the maleic anhydride graft modified olefin resin endows the system with excellent bonding effect on low surface material PP/PE and good temperature resistance. The white mineral oil in the heat-sensitive adhesive has the function of reducing viscosity and is beneficial to coating and gluing. The anti-aging agent has the function of preventing the degradation and aging of the hot melt adhesive in the heat-sensitive adhesive.
In the formula, the terpene resin and the maleic anhydride modified olefin resin play the most important role in the bonding of the special-shaped plastic bottle and the flexible plastic. The terpene resin obviously improves the PET bottle labeling; the maleic anhydride modified olefin resin is prepared by grafting the maleic anhydride of a polar group on a nonpolar molecular chain, so that the adhesion of the PP/PE material is improved, and the compatibility of the whole system is improved.
As a further preferred embodiment, the SIS rubber is selected from styrene-isoprene-styrene SIS rubber with a designation of 6113 from kraton corporation or styrene-isoprene-styrene SIS rubber with a designation of 1106 from tomatite creel;
the SEBS rubber is selected from one of SEBS rubber with the brand number of G1652 of Keteng company in America, SEBS rubber with the brand number of Y501 of Yuani Ba Ling company and SEBS rubber with the brand number of 1106/1126 of Yuani Ba Ling company.
More preferably, the hydrogenated C5 petroleum resin is selected from hydrogenated C5 petroleum resin with the trademark of Heng corporation of H5-1001, hydrogenated C5 petroleum resin with the trademark of Iseman corporation of C-100R, and C5 petroleum resin with the trademark of JH-3100/JH 3204.
As a further preferable scheme, the terpene resin is selected from one of terpene resins of French DRT company with the brand numbers of Piccolyte-A115/F115IG/S115, DERCOLYTE S115/A115 and terpene resins of Kemao company with the brand numbers of KT5100/KT100/KT 2150.
More preferably, the maleic anhydride-modified olefin resin is one selected from the group consisting of maleic anhydride-modified olefin resins available from Mitsui chemical corporation under the trademark TAFMER MA9015/MA8510, and maleic anhydride-modified olefin resins available from Dow chemical corporation under the trademark Amplify GR 204/380/208.
Further preferably, the white mineral oil is one selected from the group consisting of a Clarity white mineral oil with a trademark KN4010, and an Exxon Mobil white mineral oil with a trademark Primol N382.
More preferably, the anti-aging agent is selected from the anti-aging agent with the brand number of EVERNOX-10/10GF of Taiwan Miechun corporation or the anti-aging agent with the brand number of EVERFOS-168/168 GF.
The preparation method of the hot-melt pressure-sensitive adhesive for the new retail packaging RFID label comprises the following steps:
1) heating the heating furnace to 155-165 ℃, adding the white mineral oil, the anti-aging agent and the rubber with the formula ratio into the heating furnace once, continuously stirring, and stirring for 30-50min to completely melt the system;
2) after the system is melted, keeping the temperature of the heating furnace at 145-155 ℃, adding hydrogenated C5 petroleum resin and maleic anhydride modified olefin resin according to the formula amount, and continuously stirring to completely melt the system;
3) and finally, adding terpene resin with the formula amount, uniformly stirring for 30min, vacuumizing, removing bubbles, discharging, and cooling to room temperature to obtain the hot-melt pressure-sensitive adhesive for the newly retail packaged RFID tag.
The method of using the hot melt pressure sensitive adhesive for the new retail packaging RFID tag as described above is as follows:
(1) heating the temperature of gluing equipment to 170 ℃, coating the hot-melt pressure-sensitive adhesive for the new retail package RFID label on a substrate with a chip by using the gluing equipment, naturally cooling, and then compounding release paper on the substrate to form an RFID label material;
(2) cutting the RFID label material obtained in the step (1) into RFID labels with specified sizes, unwinding the RFID labels, and attaching the RFID labels to special-shaped plastic bottles and flexible plastic tapes to finish coating.
The following are specific examples of the present invention, and raw materials, equipments and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
Examples 1 to 3 and comparative examples 1 to 3
The raw materials are weighed according to the mixture ratio in the following table 1, the hot melt pressure sensitive adhesive is prepared according to the preparation method shown in the table 1, and the hot melt pressure sensitive adhesive of different embodiments is obtained correspondingly, and the details are shown in the table 1:
TABLE 1 raw material proportioning tables for examples 1-3 and comparative examples 1-3
Wherein, if not specifically stated in table 1, in order to reflect comparability of test effect, the adopted raw materials are consistent, for example, the SIS rubber selects SIS rubber with the trade name 1106 of yuanhua holy company; SEBS rubber with a brand number of G165 manufactured by American Keteng corporation; hydrogenated C5 petroleum resin is hydrogenated C5 petroleum resin with the trademark of H5-1001 of Henghe company; the terpene resin is selected from terpene resin with French DRT company brand as Piccolyte-S115; the maleic anhydride modified olefin resin is maleic anhydride modified olefin resin with a brand number of TAFMER MA9015 of Mitsui chemical company; the white mineral oil is selected from Clarity company with the trade name of KN 4010; the anti-aging agent is an anti-aging agent with the brand number EVERNOX-10/10GF of Taiwan Miaochun company.
The formulation difference for the hot melt adhesive of comparative example 1 is that the hot melt adhesive was prepared without the addition of terpene resin, the remaining raw material components are referred to in example 2.
The formulation of the hot melt adhesive of comparative example 2 was different in that the hot melt adhesive was prepared without adding the maleic anhydride-modified olefin resin, and the remaining raw material components were as in example 2.
Comparative example 3 is a conventional general pressure-sensitive adhesive formulation, which mainly comprises: 25 parts of SIS rubber, 15 parts of white mineral oil, 45 parts of petroleum resin and 1 part of anti-aging agent.
The preparation method of the hot-melt pressure-sensitive adhesive for the new retail packaging RFID label comprises the following steps:
1) heating the heating furnace to 155-165 ℃, adding the white mineral oil, the anti-aging agent and the rubber with the formula ratio into the heating furnace once, continuously stirring, and stirring for 30-50min to completely melt the system;
2) after the system is melted, keeping the temperature of the heating furnace at 145-155 ℃, adding hydrogenated C5 petroleum resin and maleic anhydride modified olefin resin according to the formula amount, and continuously stirring to completely melt the system;
3) and finally, adding terpene resin with the formula amount, uniformly stirring for 30min, vacuumizing, removing bubbles, discharging, and cooling to room temperature to obtain the hot-melt pressure-sensitive adhesive for the newly retail packaged RFID tag.
Effect evaluation and Performance detection
1. Method for testing adhesive force between special-shaped plastic bottle and flexible plastic bag
The test method is as follows: heating the temperature of the gluing equipment to 170 ℃, coating the hot-melt pressure-sensitive adhesive prepared in the examples 1-3 and the comparative examples 1-3 on the substrate with the chip by using the gluing equipment, naturally cooling, and then compounding release paper on the substrate to form the RFID label material; and cutting the RFID label material into RFID labels with the same size, uncoiling the RFID labels, and attaching the RFID labels to special-shaped plastic bottles and flexible plastic belts with the same size. The materials are respectively placed in an oven at 70 ℃ for 8 hours for heat aging treatment. The annular initial adhesion and peel strength performance of the hot-melt pressure-sensitive adhesive coating sample before and after aging is tested under the conditions that the indoor temperature is 23 +/-2 ℃ and the relative humidity is 45 +/-10%.
Test criteria are found in: for example, the peel strength of the hot melt pressure sensitive adhesive is tested according to the specific specification of the national standard GB/T2792-2014, the loop initial tack is tested according to the specific specification of the national standard GB/T31125-2014, the permanent tack is tested according to the specific specification of GB4851-2014, and the surface adhesion fastness is tested according to the specific specification of FINAT 24. Specific properties of each example are detailed in table 2.
TABLE 2 comparison table of hot-melt pressure-sensitive adhesive properties in the specific examples
As can be seen from Table 2, under the same test conditions, the initial adhesion of the product of the invention to newly-sold difficult-to-adhere plastic is more than 20N/inch, the product can be instantly adhered to the material of the special-shaped plastic without rebounding and warping, and no residue is left after the product is uncovered for 8 hours at 70 ℃. Compared with the conventional hot melt adhesive of the same type on the market, the hot melt adhesive has better bonding effect.
The comparison between the example 2 and the comparative examples 1-2 shows that the terpene resin and the graft modified olefin resin in the formula have obviously improved adhesion to the PE material, and simultaneously ensure better compatibility and higher cohesive strength of the system, and no adhesive residue is generated after tearing at high temperature.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The hot-melt pressure-sensitive adhesive for the RFID tag of the new retail package is characterized by being prepared from the following components in parts by weight:
2. the hot melt pressure sensitive adhesive of claim 1, wherein the SIS rubber is selected from the group consisting of styrene-isoprene-styrene SIS rubber available from kraton under the designation 6113 or styrene-isoprene-styrene SIS rubber available from tomatite holy under the designation 1106;
the SEBS rubber is selected from one of SEBS rubber with the brand number of G1652 of Keteng company in America, SEBS rubber with the brand number of Y501 of Yuani Ba Ling company and SEBS rubber with the brand number of 1106/1126 of Yuani Ba Ling company.
3. The hot melt pressure sensitive adhesive of claim 1, wherein the hydrogenated C5 petroleum resin is selected from the group consisting of a hydrogenated C5 petroleum resin available from rhesus corporation under the designation H5-1001, a hydrogenated C5 petroleum resin available from eastman corporation under the designation C-100R, and a C5 petroleum resin available from seiko corporation under the designation JH-3100/JH 3204.
4. The hot-melt pressure-sensitive adhesive of claim 1, wherein the terpene resin is selected from the group consisting of terpene resins available from DRT corporation of France under the trade designations Piccolyte-A115/F115IG/S115, DERCOLYTE S115/A115, and terpene resins available from Kemao corporation under the trade designations KT5100/KT100/KT 2150.
5. The hot-melt pressure-sensitive adhesive according to claim 1, wherein the maleic anhydride-modified olefin resin is one selected from the group consisting of maleic anhydride-modified olefin resins available from Mitsui chemical company under the trademark TAFMER MA9015/MA8510, and maleic anhydride-modified olefin resins available from Dow chemical company under the trademark Amplify GR 204/380/208.
6. The hot melt pressure sensitive adhesive of claim 1, wherein the white mineral oil is selected from the group consisting of krameri brand white mineral oil with KN4010, exxon meifu brand white mineral oil with Primol N382.
7. The hot melt pressure sensitive adhesive of claim 1, wherein the aging inhibitor is selected from the group consisting of an aging inhibitor sold under the trademark EVERNOX-10/10GF by taiwan mulichun corporation, taiwan, or an aging inhibitor sold under the trademark EVERFOS-168/168 GF.
8. A preparation method of a hot-melt pressure-sensitive adhesive for a new retail packaging RFID label is characterized by comprising the following steps:
1) heating the heating furnace to 155-165 ℃, adding the white mineral oil, the anti-aging agent and the rubber into the heating furnace once, stirring continuously, and stirring for 30-50min to completely melt the system;
2) after the system is melted, keeping the temperature of the heating furnace at 145-155 ℃, adding hydrogenated C5 petroleum resin and maleic anhydride modified olefin resin, and continuously stirring to completely melt the system;
3) and finally, adding terpene resin, uniformly stirring for 30min, vacuumizing, removing bubbles, discharging, and cooling to room temperature to obtain the hot-melt pressure-sensitive adhesive for the newly retail packaged RFID tag.
9. The preparation method of claim 8, wherein the hot-melt pressure-sensitive adhesive for the RFID tag of the new retail package comprises the following components in parts by weight:
10. the use of the hot melt pressure sensitive adhesive for a freshly retail packaged RFID tag according to claim 1, wherein the hot melt pressure sensitive adhesive for a freshly retail packaged RFID tag is used by the following method:
(1) heating the temperature of gluing equipment to 170 ℃, coating the hot-melt pressure-sensitive adhesive for the new retail package RFID label on a substrate with a chip by using the gluing equipment, naturally cooling, and then compounding release paper on the substrate to form an RFID label material;
(2) cutting the RFID label material obtained in the step (1) into RFID labels with specified sizes, unwinding the RFID labels, and attaching the RFID labels to special-shaped plastic bottles and flexible plastic tapes to finish coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745220.7A CN113403009B (en) | 2021-06-30 | 2021-06-30 | Hot-melt pressure-sensitive adhesive for retail packaging RFID (radio frequency identification) tag and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745220.7A CN113403009B (en) | 2021-06-30 | 2021-06-30 | Hot-melt pressure-sensitive adhesive for retail packaging RFID (radio frequency identification) tag and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113403009A true CN113403009A (en) | 2021-09-17 |
| CN113403009B CN113403009B (en) | 2022-09-06 |
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| CN113403009B (en) | 2022-09-06 |
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