CN116042148A - Preparation method of foaming hot melt adhesive suitable for filter - Google Patents
Preparation method of foaming hot melt adhesive suitable for filter Download PDFInfo
- Publication number
- CN116042148A CN116042148A CN202310129234.5A CN202310129234A CN116042148A CN 116042148 A CN116042148 A CN 116042148A CN 202310129234 A CN202310129234 A CN 202310129234A CN 116042148 A CN116042148 A CN 116042148A
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- China
- Prior art keywords
- hot melt
- reaction kettle
- filter
- melt adhesive
- foaming hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004831 Hot glue Substances 0.000 title claims abstract description 48
- 238000005187 foaming Methods 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 28
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 55
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000003208 petroleum Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 7
- 238000009472 formulation Methods 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a preparation method of a foaming hot melt adhesive suitable for a filter, wherein the main materials used comprise the following raw material components in parts by weight: wax: 8-13 parts of PO (propylene oxide), 40-50 parts of tackifying resin, 37-52 parts of antioxidant and 0-0.5 part of antioxidant, the foaming hot melt adhesive suitable for the filter has the effects of no smell, low temperature resistance and high temperature resistance, is good in thermal stability, does not deteriorate and become brittle in high-temperature and low-temperature environments, ensures the efficient filtering effect of the filter, does not volatilize pungent smell in the heating use process, improves the experience of a user in using the filter, does not change the surface color after long-time use in the heating environment, and ensures that the filter is more attractive.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to a preparation method of a foaming hot melt adhesive suitable for a filter.
Background
The hot melt adhesive is a plastic adhesive, is in a solid state at normal temperature, and can be quickly bonded after being heated and melted. The foaming hot melt adhesive is one of the hot melt adhesives, and when the hot melt adhesive is applied, the hot melt adhesive is heated and melted firstly, and then a special foaming type gumming machine is used, so that the adhesive can be foamed immediately in the process of mixing and coating; so that the glue layer has bubbles when the glue layer reacts in the sizing process. The foaming hot melt adhesive can be applied to filter material lamination, air filtration, oil filtration, water filtration and the like in household filters, and can be applied to filter material lamination, filter material folding, frame assembly and end cover bonding and the like.
The foaming hot melt adhesive for the water filter has higher requirements on low temperature resistance, high temperature resistance and smell resistance, the foaming hot melt adhesive used for the current filter is mainly EVA type hot melt adhesive, but the EVA type hot melt adhesive is poor in thermal stability, easy to deteriorate and crisp in a high-temperature and low-temperature environment, so that the bonding strength is reduced, in the heating and using process, the EVA type hot melt adhesive can volatilize pungent smell, the experience of a user in using the filter is affected, the surface color is changed after long-time use in the heating environment, and the appearance of the filter is affected.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a preparation method of foaming hot melt adhesive suitable for a filter, which aims to solve at least one of the technical problems in the prior art to a certain extent.
The purpose of the invention is realized in the following way:
the preparation method of the foaming hot melt adhesive suitable for the filter comprises the following main materials in parts by weight: wax: 8-13 parts of PO (propylene oxide) 40-50 parts, 37-52 parts of tackifying resin and 0-0.5 part of antioxidant, and the specific processing steps for preparing the applicable filter foaming hot melt adhesive are as follows:
step one: the temperature of the reaction kettle is heated to 160-180 ℃ at normal pressure.
Step two: sequentially adding the wax and the antioxidant into a reaction kettle, keeping the temperature at 160-180 ℃, and stirring for 25-35 min until the mixture of the wax and the antioxidant is completely melted.
Step three: the temperature of the reaction kettle is kept at 160-180 ℃, the reaction kettle starts to rotate at the rotating speed of 30r/min, and PO epoxypropane is put into the reaction kettle and stirred for 50-70 min until the PO epoxypropane is completely swelled to be in a transparent and white-free small particle state.
Step four: the temperature of the reaction kettle is reduced to 120-140 ℃, and the tackifying resin is put into the reaction kettle and stirred for 25-35 min until the tackifying resin is completely melted.
Step five: and vacuumizing the internal pressure of the reaction kettle to 0.06MPa, vacuumizing for 30min, cooling, molding and packaging to obtain the foaming hot melt adhesive suitable for the filter.
The wax is low molecular weight PP wax, and the melting point is above 140 ℃.
The tackifying resin is one or more of hydrogenated petroleum resin, carbon five petroleum resin and rosin resin.
The antioxidant is one or more of hindered phenol antioxidants and phosphite antioxidants.
The beneficial effects of the invention are as follows:
the foaming hot melt adhesive for the applicable filter has the advantages of no smell, low temperature resistance and high temperature resistance, better thermal stability, no deterioration and brittleness in high-temperature and low-temperature environments, and ensures the efficient filtering effect of the filter, and meanwhile, in the heating and using process, as the wax, the PO epoxy acrylic resin, the tackifying resin and the antioxidant are all materials without pungent smell, and the physical blending and the chemical reaction processes are not generated, the foaming hot melt adhesive for the applicable filter does not volatilize the pungent smell, improves the experience of a user in using the filter, and does not cause the change of the surface color after being used in the heating environment for a long time, so that the filter is more attractive.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Detailed Description
The invention is further described below with reference to examples.
The preparation method of the foaming hot melt adhesive suitable for the filter comprises the following main materials in parts by weight: wax: 8-13 parts of PO (propylene oxide) 40-50 parts, 37-52 parts of tackifying resin and 0-0.5 part of antioxidant, and the specific processing steps for preparing the applicable filter foaming hot melt adhesive are as follows:
step one: the temperature of the reaction kettle is heated to 160-180 ℃ at normal pressure.
Step two: sequentially adding the wax and the antioxidant into a reaction kettle, keeping the temperature at 160-180 ℃, and stirring for 25-35 min until the mixture of the wax and the antioxidant is completely melted.
Step three: the temperature of the reaction kettle is kept at 160-180 ℃, the reaction kettle starts to rotate at the rotating speed of 30r/min, and PO epoxypropane is put into the reaction kettle and stirred for 50-70 min until the PO epoxypropane is completely swelled to be in a transparent and white-free small particle state.
Step four: the temperature of the reaction kettle is reduced to 120-140 ℃, and the tackifying resin is put into the reaction kettle and stirred for 25-35 min until the tackifying resin is completely melted.
Step five: and vacuumizing the internal pressure of the reaction kettle to 0.06MPa, vacuumizing for 30min, cooling, molding and packaging to obtain the foaming hot melt adhesive suitable for the filter.
Further, the wax is a low molecular weight PP wax having a melting point of 140 ℃ or higher.
Further, the tackifying resin is one or more of hydrogenated petroleum resin, carbon five petroleum resin and rosin resin.
Further, the antioxidant is one or more of hindered phenol antioxidants and phosphite antioxidants.
The wax provided in this embodiment is mainly used for controlling the curing speed of the foaming hot melt adhesive, and diluting the viscosity thereof; the PO epoxy propane can improve the high temperature resistance and the low temperature resistance of the foaming hot melt adhesive, the foaming rate of the foaming hot melt adhesive is higher when nitrogen is filled, the use rate of the foaming hot melt adhesive can be reduced, and the effect of reducing the cost is achieved; the tackifying resin can increase the viscosity of the foaming hot melt adhesive and ensure the high-efficiency filtering effect of the filter; the antioxidant can improve the anti-aging effect of the foaming hot melt adhesive and avoid the influence on the appearance of the filter due to the change of the surface color of the foaming hot melt adhesive in a heating environment for a long time.
In the preferred example 1, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into the reaction kettle, and melting and stirring for 60min at the normal pressure of 180 ℃.
Adding tackifying resin into a reaction kettle, and melting and stirring for 30min at the normal pressure of 130 ℃.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
In the preferred example 2, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into a reaction kettle, melting and stirring at the normal pressure of 180 ℃ for 60min, adding tackifying resin into the reaction kettle, melting and stirring at the normal pressure of 130 ℃ for 30min.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
In preferred example 3, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into the reaction kettle, and melting and stirring for 60min at the normal pressure of 180 ℃.
Adding tackifying resin into a reaction kettle, and melting and stirring for 30min at the normal pressure of 130 ℃.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
In the preferred example 4, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into the reaction kettle, and melting and stirring for 60min at the normal pressure of 180 ℃.
Adding tackifying resin into a reaction kettle, and melting and stirring for 30min at the normal pressure of 130 ℃.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
In preferred example 5, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into the reaction kettle, and melting and stirring for 60min at the normal pressure of 180 ℃.
Adding tackifying resin into a reaction kettle, and melting and stirring for 30min at the normal pressure of 130 ℃.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
In preferred example 6, the raw material formulation used is as follows:
according to the proportion of the raw materials in the table, the antioxidant and the wax are put into a reaction kettle, and are heated to 160 ℃ with normal pressure to be melted and stirred for 30min.
Slowly adding PO epoxypropane into the reaction kettle, and melting and stirring for 60min at the normal pressure of 180 ℃.
Adding tackifying resin into a reaction kettle, and melting and stirring for 30min at the normal pressure of 130 ℃.
When no obvious particles are in the reaction kettle, the reaction kettle is sealed, vacuumized at 160 ℃ (-0.06 MPa), discharged, cooled and granulated to obtain the filter foaming hot melt adhesive.
Performance testing
The filter foaming hot melt adhesives prepared in the above examples 1 to 6 were subjected to adhesive property, tensile strength, high and low temperature resistance, and elongation test, respectively, of the filter foaming hot melt (numbered as control group 0) sold by a certain company in China.
And (3) adhesive property test: the adhesion performance was judged by observing the force value required after peeling off the bonded substrate.
Tensile strength: the maximum tensile stress to which the test specimen is subjected until it breaks, the tensile strength affects the elongation and affects the softness of the filter foamed hot melt adhesive.
High and low temperature resistance test: and (3) placing the bonded base material in an environment of 70 ℃ for 1h, then cooling to the environment of-40 ℃ for 1h as a cycle, and repeatedly observing whether the base material is naturally adhesive-opened or not for 12 times.
Elongation rate: refers to the percentage of elongation of the original gauge length to the ratio of the original gauge length after the specimen is stretch broken. Elongation is an important parameter that represents uniform deformation or stable deformation of a material.
Wherein, the filter foaming hot melt adhesives prepared in examples 1-6 all pass the adhesive property test, and other test results are shown in the following table:
the above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.
Claims (4)
1. The preparation method of the foaming hot melt adhesive suitable for the filter is characterized in that the main materials used in the preparation method comprise the following raw material components in parts by weight: wax: 8-13 parts of PO (propylene oxide) 40-50 parts, 37-52 parts of tackifying resin and 0-0.5 part of antioxidant, and the specific processing steps for preparing the applicable filter foaming hot melt adhesive are as follows:
step one: heating the reaction kettle to 160-180 ℃ at normal pressure;
step two: sequentially adding the wax and the antioxidant into a reaction kettle, keeping the temperature at 160-180 ℃, and stirring for 25-35 min until the mixture of the wax and the antioxidant is completely melted;
step three: the temperature of the reaction kettle is kept at 160-180 ℃, the reaction kettle starts to rotate at the rotating speed of 30r/min, and PO epoxypropane is put into the reaction kettle and stirred for 50-70 min until the PO epoxypropane is completely swelled to be in a transparent and white-free small particle state;
step four: the temperature of the reaction kettle is reduced to 120-140 ℃, and tackifying resin is put into the reaction kettle and stirred for 25-35 min until the tackifying resin is completely melted;
step five: and vacuumizing the internal pressure of the reaction kettle to 0.06MPa, vacuumizing for 30min, cooling, molding and packaging to obtain the foaming hot melt adhesive suitable for the filter.
2. The method for preparing the foaming hot melt adhesive suitable for the filter according to claim 1, wherein the method comprises the following steps: the wax is low molecular weight PP wax, and the melting point is above 140 ℃.
3. The method for preparing the foaming hot melt adhesive suitable for the filter according to claim 1, wherein the method comprises the following steps: the tackifying resin is one or more of hydrogenated petroleum resin, carbon five petroleum resin and rosin resin.
4. The method for preparing the foaming hot melt adhesive suitable for the filter according to claim 1, wherein the method comprises the following steps: the antioxidant is one or more of hindered phenol antioxidants and phosphite antioxidants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310129234.5A CN116042148A (en) | 2023-02-17 | 2023-02-17 | Preparation method of foaming hot melt adhesive suitable for filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310129234.5A CN116042148A (en) | 2023-02-17 | 2023-02-17 | Preparation method of foaming hot melt adhesive suitable for filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116042148A true CN116042148A (en) | 2023-05-02 |
Family
ID=86129502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310129234.5A Pending CN116042148A (en) | 2023-02-17 | 2023-02-17 | Preparation method of foaming hot melt adhesive suitable for filter |
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| Country | Link |
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| CN (1) | CN116042148A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011117168A1 (en) * | 2011-10-28 | 2013-05-02 | Karl W. Niemann Gmbh & Co. Kg | Laminating substrate plate with plastic film, comprises applying liquid hot melt adhesive on surface of substrate plate, smoothing applied adhesive layer, applying adhesive on back side of plastic film, and laminating plastic film |
| CN103743048A (en) * | 2013-12-23 | 2014-04-23 | 佛山市顺德区阿波罗环保器材有限公司 | Production method for humidification filter for humidifier and structure thereof |
| CN107207913A (en) * | 2014-12-18 | 2017-09-26 | 汉高知识产权控股有限责任公司 | Expandable hot melt gasket seal agent and application thereof |
| CN109897594A (en) * | 2019-03-07 | 2019-06-18 | 梁永强 | A kind of adhesive glue and preparation method thereof for vanity mirror |
| CN113563828A (en) * | 2021-08-03 | 2021-10-29 | 广州波塞冬材料科技有限公司 | Foaming hot melt adhesive applied to filter and preparation method |
-
2023
- 2023-02-17 CN CN202310129234.5A patent/CN116042148A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011117168A1 (en) * | 2011-10-28 | 2013-05-02 | Karl W. Niemann Gmbh & Co. Kg | Laminating substrate plate with plastic film, comprises applying liquid hot melt adhesive on surface of substrate plate, smoothing applied adhesive layer, applying adhesive on back side of plastic film, and laminating plastic film |
| CN103743048A (en) * | 2013-12-23 | 2014-04-23 | 佛山市顺德区阿波罗环保器材有限公司 | Production method for humidification filter for humidifier and structure thereof |
| CN107207913A (en) * | 2014-12-18 | 2017-09-26 | 汉高知识产权控股有限责任公司 | Expandable hot melt gasket seal agent and application thereof |
| CN109897594A (en) * | 2019-03-07 | 2019-06-18 | 梁永强 | A kind of adhesive glue and preparation method thereof for vanity mirror |
| CN113563828A (en) * | 2021-08-03 | 2021-10-29 | 广州波塞冬材料科技有限公司 | Foaming hot melt adhesive applied to filter and preparation method |
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