CN115124944A - Heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film and preparation method thereof - Google Patents
Heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film and preparation method thereof Download PDFInfo
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- CN115124944A CN115124944A CN202210741589.5A CN202210741589A CN115124944A CN 115124944 A CN115124944 A CN 115124944A CN 202210741589 A CN202210741589 A CN 202210741589A CN 115124944 A CN115124944 A CN 115124944A
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- hot melt
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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
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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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film and a preparation method thereof, wherein the polyurethane hot melt adhesive film comprises 60-90 parts of hot melt adhesive grade TPU resin; 5-30 parts of a heat-resistant modifier; 1-10 parts of a fluidity improver; 1-8 parts of a compatilizer; 0.5-5 parts of anti-yellowing agent. The hot melt polyurethane adhesive film can improve the extrusion processing fluidity of the hot melt polyurethane adhesive film by matching the hot melt adhesive grade TPU resin, the heat-resistant modifier, the fluidity improver, the compatilizer, the anti-yellowing agent and other materials, so that a film with more uniform thickness can be manufactured, and meanwhile, the hot melt polyurethane adhesive film has an excellent heat-resistant effect and has better adhesive strength, anti-yellowing, anti-hydrolysis and water washing resistance.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film and a preparation method thereof.
Background
The TPU hot melt adhesive film is a hot melt adhesive film product which is manufactured by taking thermoplastic polyurethane as a main raw material. Thermoplastic Polyurethanes (TPU) are polymers having urethane (-OOCNH-) groups with a number of repeating units in the main molecular chain, the polyurethanes being polyaddition products of polyisocyanates and polymer polyols. Compared with other hot melt adhesives, the TPU hot melt adhesive film has the characteristics of good elasticity and excellent mechanical property, is very suitable for high-speed bonding automatic production, does not pollute the environment, and is commonly used for bonding materials such as fabrics, leather, plastics, metals, glass and the like.
Compared with hot melt adhesive films made of other materials, the TPU hot melt adhesive film is softer in hand feeling under the same thickness, so that the TPU hot melt adhesive film is very suitable for compounding and bonding textile fabrics in the field of clothing. The cloth bonded by the TPU hot melt adhesive film is very comfortable to wear on a human body, and does not have plastic feeling or foreign body feeling. The TPU hot melt adhesive film also has the advantage of very good washing resistance. It is known that TPU hot melt adhesive films are frequently used for the bonding of cloth in the clothing sector. The clothes can not be cleaned in the using process, and the clothes can be more durable due to the water washing resistance of the TPU hot melt adhesive film.
The TPU hot melt adhesive film in the market at present has the problems of poor extrusion processing fluidity, obvious reduction of hot bonding strength at high temperature and the like in actual processing and use, can cause the risk of cracking or degumming failure after hot pressing or ironing and laminating at the downstream end of a shoe garment and high-temperature activation and baking, and is particularly applied to curved surface parts with structural stress, such as arc parts of a shoe toe cap, a heel and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, an object of the present invention is to provide a heat-resistant high-fluidity thermoplastic polyurethane hot-melt adhesive film, which can improve the fluidity of extrusion processing of the polyurethane hot-melt adhesive film, so as to produce a film with a more uniform thickness, and has excellent heat-resistant effect, and good adhesive strength, anti-yellowing property, hydrolysis resistance and water washing resistance.
The second purpose of the invention is to provide a preparation method of the heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film, which has simple preparation process and easy operation.
One of the purposes of the invention is realized by adopting the following technical scheme:
a heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film comprises the following components in parts by weight:
60-90 parts of thermosol TPU resin; 5-30 parts of a heat-resistant modifier; 1-10 parts of a fluidity improver; 1-8 parts of a compatilizer; 0.5-5 parts of anti-yellowing agent.
Preferably, the heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film comprises the following components in parts by weight:
60-90 parts of thermosol TPU resin; 5-30 parts of a heat-resistant modifier; 3-8 parts of a fluidity improver; 1-6 parts of a compatilizer; 0.5-2 parts of anti-yellowing agent.
Preferably, the mass percent of the polyether chain segment in the hot melt adhesive grade TPU resin is 30-50%, the melting point is 50-100 ℃, the Shore hardness is 60A-95A, the weight average molecular weight is 80000-150000 g/mol, and the melt index is 1-40 g/10min (150 ℃/2.16 kg). The hot melt adhesive grade TPU resin serves as the primary base material for the formulation system, providing the basic strength and primary processing characteristics of the material.
Further preferably, the thermosol grade TPU resin is a thermosol grade TPU 6242 of wanhua chemistry.
Preferably, the heat-resistant modifier is one or more of acryl-styrene-butadiene copolymer (ABS), acryl-styrene copolymer (AS), N-phenylmaleimide (NPMI), methyl methacrylate-acrylonitrile-butadiene-styrene graft copolymer (MABS). The heat-resistant modifier is a polymer with benzene rings, is partially compatible with TPU, and has a microcard softening point. Further preferably, the heat resistant modifier is Japanese electrochemical IP MS-NB.
Preferably, the fluidity improver is one or more of a liquid acrylic resin, an α -olefin polymer, a fischer-tropsch wax, a montan wax, a polyester wax, and pentaerythritol stearate (PETS). The fluidity improver has partial compatibility with TPU, has very high fluidity within the processing temperature range of TPU, can greatly improve the processing and film forming properties of TPU, and can play the effects of reducing the processing temperature and saving energy consumption. Further preferably, the flow improver is a craine E wax. Most preferably, the mass ratio of the hot melt grade TPU resin, the heat resistance modifier and the fluidity modifier is 60: 25: 8.
preferably, the compatilizer is one or more than two of maleic anhydride grafted polyolefin (MAH-g-poe, MAH-g-PVOH), styrene-maleic anhydride copolymer (SMA) and glycidyl methacrylate grafted polyolefin copolymer (GMA-g-PVOH). Further preferably, the compatibilizer is shanghai kohlrabi SMA 020.
Preferably, the anti-yellowing agent is one or more of hindered phenol, benzotriazole and hindered ammonia ultraviolet absorbers. The anti-yellowing agent causes deterioration of physical properties and color of a material by absorbing energy of destructive ultraviolet rays in sunlight to destroy a molecular structure of the material.
More preferably, the anti-yellowing agent is a light stabilizer 770, a light stabilizer 622, or a light stabilizer 944.
The second purpose of the invention is realized by adopting the following technical scheme:
the preparation method of the heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film comprises the following preparation steps:
s1, mixing and granulating: weighing thermosol TPU resin, a heat-resistant modifier, a fluidity improver, a compatilizer and an anti-yellowing agent in proportion, uniformly stirring in a high-speed stirrer, extruding and granulating in a twin-screw underwater granulator through a feeding hopper to form round or circular cake-shaped small particles, further dehydrating, and drying until the moisture content is less than or equal to 0.05% to obtain extruded and granulated blend particles;
s2, casting into a film: and adding the blend particles into an extrusion casting machine, and casting to form a film to obtain the heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film with the thickness of 0.01-0.05mm and the width of 0.4-1.5 m.
Further, the preparation method of the heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film comprises the following preparation steps:
s1, mixing and granulating: weighing thermosol TPU resin, a heat-resistant modifier, a fluidity improver, a compatilizer and an anti-yellowing agent in proportion, stirring for 3-5min in a high-speed stirrer with the rotating speed of 60-80r/min, then extruding and granulating in a twin-screw underwater granulator through a feeding hopper at the rotating speed of 100-150r/min, the barrel temperature of 120-160 ℃ and the head temperature of 140-170 ℃ to form spherical or cake-shaped small particles with the diameter of 3-5mm, further dehydrating, and drying at the temperature of 60-80 ℃ until the moisture content is less than or equal to 0.05% to obtain blend particles subjected to extrusion granulation;
s2, casting to form a film: adding the blend particles into an extrusion casting machine, casting to form a film at the screw rotating speed of the casting machine of 100-200r/min and the barrel temperature of 150-190 ℃, obtaining unequal thicknesses of 0.05-0.5mm by controlling the winding speed and the extrusion feeding amount, obtaining adhesive films with unequal widths of 0.4-1.5m by controlling the cutting width, and finally obtaining the heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film with the thickness of 0.05-0.5mm and the width of 0.4-1.5 m. Wherein, if the blend particles are left for a long time, the blend particles need to be dried by drying equipment at the temperature of 60-80 ℃ until the moisture content is less than or equal to 0.05 percent before use, and then are used; in the film forming process, the PP/PET/glassine release film can be used for rewinding protection on one side or two sides of the adhesive film so as to prevent the adhesive film from being polluted in the storage process.
Compared with the prior art, the invention has the beneficial effects that:
the thermoplastic polyurethane hot melt adhesive film can improve the extrusion processing fluidity of the polyurethane hot melt adhesive film by matching the materials such as the thermosol TPU resin, the heat-resistant modifier, the fluidity improver, the compatilizer, the anti-yellowing agent and the like so as to produce a film with more uniform thickness, has excellent heat-resistant effect (namely the hot melt adhesive film can bear 80 ℃ or above of hot baking and can not degum or crack after being hot-pressed and attached to a mesh cloth, a leather or a TPU test piece, and solves the defects that the conventional hot melt adhesive film has low high-temperature adhesive strength and is easy to open when being washed by water) and has better adhesive strength, anti-yellowing property, anti-hydrolysis property and water washing resistance.
Wherein, the hot melt adhesive TPU resin is used as a main base material of a formula system, and provides the basic strength and the main processing characteristics of the material; the heat-resistant modifier is a polymer with benzene rings, and is partially compatible with TPU, and has a microcard softening point; the fluidity improver has partial compatibility with TPU, has very high fluidity within the processing temperature range of TPU, can greatly improve the processing and film forming properties of TPU, and can simultaneously play the roles of reducing the processing temperature and saving energy consumption; the anti-yellowing agent causes deterioration of physical properties and color of a material by absorbing energy of destructive ultraviolet rays in sunlight to destroy a molecular structure of the material.
The thermoplastic polyurethane hot melt adhesive film has good processing fluidity, the processing temperature is reduced by 10-15 ℃ compared with the processing temperature of a conventional hot melt adhesive film TPU, the energy consumption is saved, the uniformity of the film is consistent, and crystal points cannot be generated; the components such as the bonded PU artificial leather/polyester fiber mesh cloth/TPU test piece/PU foam and the like have high normal-temperature peeling strength, and under the condition of high-temperature load or bending, the peeling strength has good maintenance degree, no glue opening and no dislocation and is cheap; moreover, the paint has good yellowing resistance, good water washing resistance and long service life.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, various embodiments or technical features described below may be arbitrarily combined to form a new embodiment. 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.
The examples and comparative examples were prepared according to the following components in parts by weight, as shown in table 1:
TABLE 1
In table 1, the hot melt adhesive grade TPU resin is tabacco Wanhua chemical 6242, the heat-resistant modifier is japanese electrochemical IP MS-NB, the flow improver is craine E wax, the compatibilizer is shanghai easy-to-dissolve SMA 020, and the anti-yellowing agent is a compound of Tianjinlyanlong ultraviolet absorbers 622 and 770 in a mass ratio of 1: 1.
The preparation method comprises the following steps:
weighing the components according to the proportion in the embodiment or the comparative example, stirring the components for 4-5 min at the rotating speed of 50-70 r/min in a high-speed stirrer, heating the components at the rotating speed of 100-150r/min and the barrel temperature of 120-160 ℃ in a double-screw underwater pelletizer through a feeding hopper, extruding and pelletizing the components at the head temperature of 140-170 ℃, baking the components until the moisture is controlled to be below 0.05%, adding the components into an extrusion casting machine, casting the components into a film at the barrel temperature of 150-190 ℃ at the rotating speed of 100-200r/min of a screw rod of the casting machine, and obtaining the polyurethane hot melt adhesive film with the thickness of 0.10mm by controlling the rolling speed and the extrusion feeding amount.
The test method comprises the following steps:
testing the bonding peel strength of the material according to FZT 80007.1 method for testing the peeling strength of clothes with adhesive interlining, wherein the test piece is placed at 23 ℃ and 50% RH for 48h under normal temperature condition, the test piece is placed at 80 ℃ in an oven for baking for 1h under high temperature condition, and then is taken out to be rapidly subjected to peeling tension test, and the results are averaged;
testing the folding resistance of the jointing material according to GB/T3903.1-1994 folding resistance test method for general shoe inspection method;
testing the yellowing grade of the hot melt adhesive film according to ASTM D1148 method B of yellowing resistance test method;
the change in color and in the development of the glue after washing of the material was evaluated according to the LN-56 finished shoe-to-shoe washing test (machine washing).
The instruments involved in the test were as follows: the machine comprises a Taiwan high-speed rail instrument AI-7000-MU1 servo control computer control tension tester, a Taiwan high-speed rail GT-7071 leather bending and bending resistance tester, an oven, a Taiwan high-speed rail instrument GT-7035-EUA yellowing resistance test box and a small swan full-automatic roller washing machine.
The test results are shown in table 2 below:
TABLE 2
As can be seen from the table above, compared with comparative example 1, the polyurethane hot melt adhesive film of the embodiment of the invention has the advantages of excellent heat resistance, good processing fluidity, low molding temperature, energy saving, environmental protection, good yellowing resistance, water washing resistance, long service life and good market prospect.
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 heat-resistant high-fluidity thermoplastic polyurethane hot-melt adhesive film is characterized by comprising the following components in parts by weight:
60-90 parts of thermosol TPU resin; 5-30 parts of a heat-resistant modifier; 1-10 parts of a fluidity improver; 1-8 parts of a compatilizer; 0.5-5 parts of anti-yellowing agent.
2. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film as claimed in claim 1, wherein the hot melt adhesive TPU resin comprises 30-50% by mass of a polyether chain segment, a melting point of 50-100 ℃, a Shore hardness of 60A-95A, a weight average molecular weight of 80000-150000 g/mol, and a melt index of 1-40 g/10min (150 ℃/2.16 kg).
3. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film as claimed in claim 2, wherein the thermosol-grade TPU resin is a wanhua chemical hot melt adhesive-grade TPU 6242.
4. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film according to claim 1, wherein the heat-resistant modifier is one or more of a propylene-styrene-butadiene copolymer, a propylene-styrene copolymer, N-phenylmaleimide, and a methyl methacrylate-acrylonitrile-butadiene-styrene graft copolymer.
5. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film according to claim 1, wherein the fluidity improver is one or more of a liquid acrylic resin, an α -olefin polymer, a Fischer-Tropsch wax, a montan wax, a polyester wax, and pentaerythritol stearate.
6. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film as claimed in claim 1, wherein the compatibilizer is one or more of maleic anhydride grafted polyolefin, styrene-maleic anhydride copolymer, and glycidyl methacrylate grafted polyolefin copolymer.
7. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film as claimed in claim 1, wherein the anti-yellowing agent is one or more of hindered phenols, benzotriazoles and hindered ammonia ultraviolet absorbers.
8. The heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film according to claim 7, wherein the anti-yellowing agent is a light stabilizer 770, a light stabilizer 622 or a light stabilizer 944.
9. A method for preparing the heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film as claimed in any one of claims 1 to 8, comprising the following steps:
s1, mixing and granulating: weighing thermosol TPU resin, a heat-resistant modifier, a fluidity improver, a compatilizer and an anti-yellowing agent in proportion, uniformly stirring in a high-speed stirrer, extruding and granulating in a twin-screw underwater granulator through a feeding hopper to form round or circular cake-shaped small particles, further dehydrating, and drying until the moisture content is less than or equal to 0.05% to obtain extruded and granulated blend particles;
s2, casting into a film: and adding the blend particles into an extrusion casting machine, and casting to form a film to obtain the heat-resistant high-fluidity thermoplastic polyurethane hot melt adhesive film with the thickness of 0.01-0.05mm and the width of 0.4-1.5 m.
10. The method for preparing the heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film according to claim 9, comprising the following steps:
s1, mixing and granulating: weighing thermosol TPU resin, a heat-resistant modifier, a fluidity improver, a compatilizer and an anti-yellowing agent in proportion, stirring for 3-5min in a high-speed stirrer with the rotating speed of 60-80r/min, then extruding and granulating in a twin-screw underwater granulator through a feeding hopper at the rotating speed of 100-150r/min, the barrel temperature of 120-160 ℃ and the head temperature of 140-170 ℃ to form spherical or cake-shaped small particles with the diameter of 3-5mm, further dehydrating, and drying at the temperature of 60-80 ℃ until the moisture content is less than or equal to 0.05% to obtain blend particles subjected to extrusion granulation;
s2, casting into a film: adding the blend particles into an extrusion casting machine, and casting to form a film at the screw rotating speed of the casting machine of 100-200r/min and the barrel temperature of 150-190 ℃ to obtain the heat-resistant high-flow thermoplastic polyurethane hot melt adhesive film with the thickness of 0.05-0.5mm and the width of 0.4-1.5 m.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115895559A (en) * | 2022-11-18 | 2023-04-04 | 广东裕田霸力科技股份有限公司 | Environment-friendly adhesive for surfboards and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733495A (en) * | 2016-04-28 | 2016-07-06 | 上海天洋热熔粘接材料股份有限公司 | Novel hot melt adhesive and preparation method thereof |
| CN107815088A (en) * | 2016-09-14 | 2018-03-20 | 广东广山新材料股份有限公司 | A kind of flame-retardant polyurethane and preparation method thereof |
| CN114163966A (en) * | 2021-12-30 | 2022-03-11 | 广东汇齐新材料有限公司 | Hydrolysis-resistant TPU hot melt adhesive film and preparation method thereof |
-
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- 2022-06-28 CN CN202210741589.5A patent/CN115124944A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733495A (en) * | 2016-04-28 | 2016-07-06 | 上海天洋热熔粘接材料股份有限公司 | Novel hot melt adhesive and preparation method thereof |
| CN107815088A (en) * | 2016-09-14 | 2018-03-20 | 广东广山新材料股份有限公司 | A kind of flame-retardant polyurethane and preparation method thereof |
| CN114163966A (en) * | 2021-12-30 | 2022-03-11 | 广东汇齐新材料有限公司 | Hydrolysis-resistant TPU hot melt adhesive film and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115895559A (en) * | 2022-11-18 | 2023-04-04 | 广东裕田霸力科技股份有限公司 | Environment-friendly adhesive for surfboards and preparation method thereof |
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