CN114716947A - Polyolefin hot melt adhesive for CPL coating and preparation method thereof - Google Patents
Polyolefin hot melt adhesive for CPL coating and preparation method thereof Download PDFInfo
- Publication number
- CN114716947A CN114716947A CN202110885570.3A CN202110885570A CN114716947A CN 114716947 A CN114716947 A CN 114716947A CN 202110885570 A CN202110885570 A CN 202110885570A CN 114716947 A CN114716947 A CN 114716947A
- Authority
- CN
- China
- Prior art keywords
- hot melt
- cpl
- melt adhesive
- polypropylene
- coating
- 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.)
- Granted
Links
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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application relates to the technical field of CPL coating, in particular to a polyolefin hot melt adhesive for CPL coating and a preparation method thereof. The preparation raw materials comprise 50-60 parts of amorphous alpha-olefin copolymer, 5-10 parts of polypropylene wax, 20-40 parts of tackifying resin, 5-10 parts of polypropylene and 0.1-1 part of other auxiliary agents. According to the application, the coating strength of the hot melt adhesive on materials such as MDF (medium density fiberboard) is remarkably improved by regulating and controlling the raw material components and the proportion of the polyolefin hot melt adhesive for CPL (complex programmable logic device) coating, and the compounded tackifying resin, the amorphous alpha-olefin copolymer with specific physicochemical parameters, the polypropylene and the polypropylene wax are adopted, and the synergistic effect is effectively realized by utilizing the synergistic effect among the components, so that the stability of a coating sample adopting the light hot melt adhesive per se in an ultralow temperature environment of-20 ℃ is remarkably improved, and the phenomena of instability such as warping and the like which may occur in the environment in winter are effectively avoided.
Description
Technical Field
The application relates to the technical field of CPL coating, in particular to a polyolefin hot melt adhesive for CPL coating and a preparation method thereof.
Background
The CPL material is a decorative material of melamine continuous lamination, is a domestic high-grade decoration material free of paint at present, has the characteristics of wear resistance, scratch resistance, acid and alkali resistance, vivid patterns, ageing resistance, fire resistance, environmental friendliness and the like, and is popular with consumers. With the improvement of aesthetic viewpoints of people, no seam of decorative paper is required on the surface of furniture parts such as the door edge of a cabinet door, and seamless coating is realized. In the process of coating MDF (medium density fiberboard) with CPL (complex programmable logic device) materials, strong initial bonding strength is needed for profiled bar coating, and the profiled bar coating cannot be warped after the coating is off-line, so that some traditional glue products for CLP cannot well meet the requirements. In addition, the problems of cracking and warping due to the deterioration of the performance of the coated product under a lower temperature or higher temperature environment need to be solved.
Disclosure of Invention
Aiming at the technical problems, the invention provides a CPL (complex programmable logic device) coated polyolefin hot melt adhesive, which is prepared from 50-60 parts of amorphous alpha-olefin copolymer, 5-10 parts of polypropylene wax, 20-40 parts of tackifying resin, 5-10 parts of polypropylene and 0.1-1 part of other auxiliary agents.
In a preferred embodiment of the present invention, the glass transition temperature of the amorphous α -olefin copolymer is not higher than-27 ℃.
As a preferable technical scheme of the invention, the viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.0-4.0 ten thousand mPa.s.
In a preferred embodiment of the present invention, the tackifying resin includes hydrogenated carbon nine resin and terpene resin.
According to a preferable technical scheme of the invention, the weight ratio of the hydrogenated carbon nine resin to the terpene resin is (3-5): 1.
as a preferable technical scheme of the invention, the softening point of the hydrogenated carbon nine resin is 120-130 ℃.
As a preferred technical scheme of the invention, the melt index of the polypropylene is not less than 120g/10 min.
As a preferable technical scheme, the viscosity of the polypropylene wax at 170 ℃ is 800-1400 mPa.s.
As a preferred technical scheme of the invention, the other auxiliary agents comprise antioxidants.
The second aspect of the present invention provides a preparation method of the CPL coating polyolefin hot melt adhesive, which comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 170-180 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 170-180 ℃, stirring and melting for 30-45 minutes, vacuumizing and stirring for 30-45 minutes, and discharging to obtain the high-performance polypropylene composite material.
Has the advantages that: according to the application, the coating strength of the hot melt adhesive on materials such as MDF (medium density fiberboard) is remarkably improved by regulating and controlling the raw material components and the proportion of the polyolefin hot melt adhesive for CPL (complex programmable logic device) coating, and the compounded tackifying resin, the amorphous alpha-olefin copolymer with specific physicochemical parameters, the polypropylene and the polypropylene wax are adopted, and the synergistic effect is effectively realized by utilizing the synergistic effect among the components, so that the stability of a coating sample adopting the light hot melt adhesive per se in an ultralow temperature environment of-20 ℃ is remarkably improved, and the phenomena of instability such as warping and the like which may occur in the environment in winter are effectively avoided. Meanwhile, through the synergistic effect of the components, the cohesive strength of the microstructure after the glue is applied to the hot melt adhesive is improved, the sensitivity and the responsiveness of a polymer chain segment to high-temperature stimulation are weakened, and the situation that the polymer chain segment is warped and unstable at a high temperature of 80 ℃ is avoided, so that the comprehensive performance and the service life of the hot melt adhesive are influenced.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Wherein the softening point of the raw material can be measured according to the standard ASTM D3104 and the melt index of the present application can be measured according to the standard on ASTM 1238.
The first aspect of the invention provides a CPL-coated polyolefin hot melt adhesive, which is prepared from 50-60 parts of amorphous alpha-olefin copolymer, 5-10 parts of polypropylene wax, 20-40 parts of tackifying resin, 5-10 parts of polypropylene and 0.1-1 part of other auxiliary agents.
The amorphous alpha-olefin copolymer (APAO) described in the present application is a flexible olefin copolymer having a low molecular weight, high fluidity, an amorphous state and high randomness, which is obtained by polymerizing alpha-olefin as a raw material. Because the microstructure is an amorphous and random arrangement, the material has many characteristics which are not possessed by crystalline polymers.
In some preferred embodiments, the amorphous α -olefin copolymer has a glass transition temperature of no greater than-27 degrees celsius; further, the glass transition temperature of the amorphous alpha-olefin copolymer is-33 to-37 ℃. The glass transition temperatures described herein can be obtained by DSC testing.
Further preferably, the viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.0 to 4.0 ten thousand mpa.s; further, the viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s. The viscosity stated in this application is the melt viscosity and can be determined in accordance with DIN 53019.
The APAO described in this application may be purchased commercially, for example, APAO 828, APAO 888, APAO 750, etc. of winning chemistry may be selected; preferably APAO 828 is used.
The polypropylene wax described herein is a synthetic polyolefin wax, and various polypropylene waxes known to those skilled in the art may be used.
In some preferred embodiments, the polypropylene wax has a viscosity of 800 to 1400mPa.s at 170 ℃. It can be tested by QM-AA-158 standard at 170 degrees Celsius.
More preferably, the acid value of the polypropylene wax is 39 to 46 mgKOH/g. It can be tested by QM-AA-351a standard.
The polypropylene wax of the present application is commercially available, for example, from the craine polypropylene wax MA 7452.
The tackifying resins described in this application are ingredients that are primarily used to adjust the viscosity of the system. In some preferred embodiments, the tackifying resin comprises hydrogenated carbon nine resins and terpene resins.
More preferably, the weight ratio of the hydrogenated carbon nine resin to the terpene resin is (3-5): 1; further, the weight ratio of the hydrogenated carbon nine resin to the terpene resin is 4: 1.
more preferably, the softening point of the hydrogenated carbon nine resin is 120-130 ℃; preferably, the softening point is 125. + -. 3 ℃.
Further preferably, the softening point of the terpene resin is 110-120 ℃; preferably, the softening point is 115. + -. 3 ℃.
The hydrogenated carbon nine resins of the present application are commercially available, for example, from R1125 hydrogenated carbon nine resin of eastman chemistry; the terpene resins of the present application are also commercially available, such as, for example, TRB115 from kraton, usa.
In some preferred embodiments, the polypropylene has a melt index of not less than 120g/10 min; further preferably, the melt index of the polypropylene is not lower than 140g/10 min; further preferably, the melt index of the polypropylene is not higher than 180g/10 min; further preferably, the melt index of the polypropylene is 145-155 g/10 min; further preferably, the polypropylene has a melt index of 150g/10min (at test conditions of 190 ℃ and 2.16kg load). PP353 from Tosoh chemical may be used.
The specific selection of the other additives is not particularly limited, and various known additives in the field, including but not limited to antioxidants, stabilizers, ultraviolet absorbers and the like, can be selected on the premise of not affecting the comprehensive performance of the hot melt adhesive.
In some preferred embodiments, the other adjunct comprises an antioxidant.
More preferably, the antioxidant is a mixture of antioxidant 1010 and antioxidant 168; more preferably, the weight ratio of the antioxidant 1010 to the antioxidant 168 is 1: 1. The antioxidant can be a commercial product, such as a corresponding antioxidant very easily found in Beijing.
According to the application, the coating strength of the hot melt adhesive on materials such as MDF (medium density fiberboard) is remarkably improved by regulating and controlling the raw material components and the proportion of the polyolefin hot melt adhesive for CPL (complex programmable logic device) coating, and the compounded tackifying resin, the amorphous alpha-olefin copolymer with specific physicochemical parameters, the polypropylene and the polypropylene wax are adopted, and the synergistic effect is effectively realized by utilizing the synergistic effect among the components, so that the stability of a coating sample adopting the light hot melt adhesive per se in an ultralow temperature environment of-20 ℃ is remarkably improved, and the phenomena of instability such as warping and the like which may occur in the environment in winter are effectively avoided. Meanwhile, through the synergistic effect of the components, the cohesive strength of the microstructure after the glue is applied to the hot melt adhesive is improved, the sensitivity and the responsiveness of a polymer chain segment to high-temperature stimulation are weakened, and the situation that the polymer chain segment is warped and unstable at a high temperature of 80 ℃ is avoided, so that the comprehensive performance and the service life of the hot melt adhesive are influenced.
The second aspect of the present invention provides a preparation method of the CPL coating polyolefin hot melt adhesive, which comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 170-180 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 170-180 ℃, stirring and melting for 30-45 minutes, vacuumizing and stirring for 30-45 minutes, and discharging to obtain the final product.
Example 1: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 8 parts of polypropylene wax, 30 parts of tackifying resin, 8.5 parts of polypropylene and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 of winning chemistry is adopted; the acid value of the polypropylene wax is 39-46 mgKOH/g, the viscosity at 170 ℃ is 800-1400 mPa.s, and the Kleinen polypropylene wax MA7452 is adopted; the tackifying resin comprises hydrogenated carbon nine resin and terpene resin, and the weight ratio of the hydrogenated carbon nine resin to the terpene resin is 4: 1, the softening point of the hydrogenated carbon nine resin is 125 +/-3 ℃, R1125 hydrogenated carbon nine resin adopting Iseman chemistry, the softening point of the terpene resin is 115 +/-3 ℃, and TRB115 adopting American Keteng is adopted; the melt index of the polypropylene is 150g/10min, and PP353 of Tosoh chemical is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the polyolefin hot melt adhesive for CPL coating comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the high-performance polypropylene composite material.
Example 2: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 8 parts of polypropylene wax, 30 parts of tackifying resin, 8.5 parts of polypropylene and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 of winning chemistry is adopted; the acid value of the polypropylene wax is 39-46 mgKOH/g, the viscosity at 170 ℃ is 800-1400 mPa.s, and the Kleinen polypropylene wax MA7452 is adopted; the tackifying resin is hydrogenated carbon nine resin, the softening point of the hydrogenated carbon nine resin is 125 +/-3 ℃, and R1125 hydrogenated carbon nine resin of Islam chemistry is adopted; the melt index of the polypropylene is 150g/10min, and PP353 in Tosoh chemical is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the CPL-coated polyolefin hot melt adhesive comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the high-performance polypropylene composite material.
Example 3: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 8 parts of polypropylene wax, 30 parts of tackifying resin, 8.5 parts of polypropylene and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 of winning chemistry is adopted; the acid value of the polypropylene wax is 39-46 mgKOH/g, the viscosity at 170 ℃ is 800-1400 mPa.s, and the Kleinen polypropylene wax MA7452 is adopted; the tackifying resin is terpene resin, the softening point of the terpene resin is 115 +/-3 ℃, and the TRB115 of American Keteng is adopted; the melt index of the polypropylene is 150g/10min, and PP353 of Tosoh chemical is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the CPL-coated polyolefin hot melt adhesive comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the acrylic acid/acrylic acid copolymer.
Example 4: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 4 parts of polypropylene wax, 30 parts of tackifying resin, 8.5 parts of polypropylene and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 with winning innovation chemistry is adopted; the viscosity average molecular weight of the polypropylene wax is 7000-9000, and a product of Qingdao Sainuo chemical Co., Ltd is adopted; the tackifying resin comprises hydrogenated carbon nine resin and terpene resin, and the weight ratio of the hydrogenated carbon nine resin to the terpene resin is 4: 1, the softening point of the hydrogenated carbon nine resin is 125 +/-3 ℃, R1125 hydrogenated carbon nine resin adopting Iseman chemistry, the softening point of the terpene resin is 115 +/-3 ℃, and TRB115 adopting American Keteng is adopted; the melt index of the polypropylene is 150g/10min, and PP353 of Tosoh chemical is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the CPL-coated polyolefin hot melt adhesive comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the high-performance polypropylene composite material.
Example 5: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 8 parts of polypropylene wax, 30 parts of tackifying resin, 8.5 parts of polypropylene and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 of winning chemistry is adopted; the acid value of the polypropylene wax is 39-46 mgKOH/g, the viscosity at 170 ℃ is 800-1400 mPa.s, and the Clainen polypropylene wax MA7452 is adopted; the tackifying resin comprises hydrogenated carbon nine resin and terpene resin, and the weight ratio of the hydrogenated carbon nine resin to the terpene resin is 4: 1, the softening point of the hydrogenated carbon nine resin is 125 +/-3 ℃, R1125 hydrogenated carbon nine resin adopting Iseman chemistry, the softening point of the terpene resin is 115 +/-3 ℃, and TRB115 adopting American Keteng is adopted; the melt index of the polypropylene is 36g/10min, and a PP3155E5 product of exxonmobil is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the CPL-coated polyolefin hot melt adhesive comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the high-performance polypropylene composite material.
Example 6: the embodiment provides a CPL-coated polyolefin hot melt adhesive, which comprises 55 parts of amorphous alpha-olefin copolymer, 8 parts of polypropylene wax, 30 parts of tackifying resin and 0.6 part of other auxiliary agents.
The viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.8-3.2 ten thousand mPa.s, the glass transition temperature is-35 ℃, and APAO 828 of winning chemistry is adopted; the acid value of the polypropylene wax is 39-46 mgKOH/g, the viscosity at 170 ℃ is 800-1400 mPa.s, and the Kleinen polypropylene wax MA7452 is adopted; the tackifying resin comprises hydrogenated carbon nine resin and terpene resin, and the weight ratio of the hydrogenated carbon nine resin to the terpene resin is 4: 1, the softening point of the hydrogenated carbon nine resin is 125 +/-3 ℃, R1125 hydrogenated carbon nine resin adopting Iseman chemistry, the softening point of the terpene resin is 115 +/-3 ℃, and TRB115 adopting American Keteng is adopted; the other auxiliary agent is an antioxidant which is a mixture of an antioxidant 1010 and an antioxidant 168, and the weight ratio of the antioxidant to the antioxidant is 1: 1.
The preparation method of the CPL-coated polyolefin hot melt adhesive comprises the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 175 ℃, adding amorphous alpha-olefin copolymer, controlling the temperature at 175 ℃, stirring and melting for 40 minutes, vacuumizing and stirring for 40 minutes, and discharging to obtain the high-performance polypropylene/alpha-olefin composite material.
Performance test
Initial Strength test: taking the coating sample in the embodiment, drawing a region of about 10mm x 50mm by an art designer, tearing the CPL by hand, observing whether density board scraps exist on the CPL or whether the CPL is broken in the tearing process, and classifying the CPL into 1-3 grades according to the quantity of the scraps and the severity of the breaking condition in the tearing process, wherein the 1 grade represents the highest initial strength, the 3 grade represents the weakest initial strength, and the test results are shown in the following table 1.
Stability at Low temperature: the sample is placed in a sample box at the temperature of minus 20 ℃, the sample is stored for 24 hours, then whether the coated sample is warped or not is observed, the severe degree of warping is divided into 1-4 grades according to whether warping exists or not, wherein the 1 grade represents no warping, the 2-4 grades represent warping, the 4 grade represents severe warping, and the 3 grade and the 2 grade are not severe warping in sequence, and the test results are shown in the following table 1.
High temperature stability: placing the sample in a sample box at 80 ℃, storing for 24 hours, observing whether the coated sample is warped, and according to whether the sample is warped, the severe degree of warping is divided into 1-4 grades, wherein the 1 grade represents no warping, the 2-4 grades represent warping, the 4 grade represents severe warping degree, and the 3 grade and 2 grade warping degrees are not severe in sequence, and measuring the sampleSee table 1 below for test results.
TABLE 1
| Initial strength | Stability at Low temperature | High temperature stability | |
| Example 1 | Level 1 | Level 1 | Level 1 |
| Example 2 | Level 1 | Grade 3 | Stage 2 |
| Example 3 | Level 1 | Stage 2 | Grade 3 |
| Example 4 | Stage 2 | Stage 2 | Stage 2 |
| Example 5 | Level 1 | Level 1 | Stage 2 |
| Example 6 | Stage 2 | Stage 2 | Grade 3 |
From the experimental results, the CPL coating polyolefin hot melt adhesive has excellent comprehensive performance and excellent initial strength, and the coated product has good stability in the environment of ultralow temperature or high temperature as high as 80 ℃, so that the problems of warping and the like can be avoided in the using process.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention in any way; various modifications, adaptations, and equivalents may occur to those skilled in the art without departing from the scope and spirit of the present invention.
Claims (10)
1. The CPL-coated polyolefin hot melt adhesive is characterized by comprising 50-60 parts of amorphous alpha-olefin copolymer, 5-10 parts of polypropylene wax, 20-40 parts of tackifying resin, 5-10 parts of polypropylene and 0.1-1 part of other auxiliary agents.
2. The CPL-coating polyolefin hot melt adhesive according to claim 1, wherein the glass transition temperature of the amorphous α -olefin copolymer is not higher than-27 ℃.
3. The CPL coating polyolefin hot melt adhesive according to claim 2, wherein the viscosity of the amorphous alpha-olefin copolymer at 190 ℃ is 1.0 to 4.0 ten thousand mPa.s.
4. The CPL coating polyolefin hot melt adhesive according to any one of claims 1-3, wherein the tackifying resin comprises hydrogenated carbon nine resin and terpene resin.
5. The CPL coating polyolefin hot melt adhesive according to claim 4, wherein the weight ratio of the hydrogenated carbon nine resin to the terpene resin is (3-5): 1.
6. the CPL coating polyolefin hot melt adhesive according to claim 4, wherein the softening point of the hydrogenated carbon nine resin is 120-130 ℃.
7. The CPL coating polyolefin hot melt adhesive according to claim 1, wherein the melt index of the polypropylene is not less than 120g/10 min.
8. The CPL coating polyolefin hot melt adhesive according to claim 1, wherein the viscosity of the polypropylene wax at 170 ℃ is 800-1400 mPa.s.
9. The CPL coating polyolefin hot melt adhesive according to any one of claims 5 to 8, wherein the other auxiliary agents comprise antioxidants.
10. The preparation method of the CPL coating polyolefin hot melt adhesive according to any one of claims 1 to 9, which is characterized by comprising the following steps:
adding polypropylene wax, tackifying resin and other auxiliary agents into a reaction kettle, stirring, heating to 170-180 ℃, adding amorphous alpha-olefin copolymer and polypropylene, controlling the temperature at 170-180 ℃, stirring and melting for 30-45 minutes, vacuumizing and stirring for 30-45 minutes, and discharging to obtain the high-performance polypropylene composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110885570.3A CN114716947B (en) | 2021-08-03 | 2021-08-03 | Polyolefin hot melt adhesive for CPL coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110885570.3A CN114716947B (en) | 2021-08-03 | 2021-08-03 | Polyolefin hot melt adhesive for CPL coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114716947A true CN114716947A (en) | 2022-07-08 |
| CN114716947B CN114716947B (en) | 2023-09-05 |
Family
ID=82233809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110885570.3A Active CN114716947B (en) | 2021-08-03 | 2021-08-03 | Polyolefin hot melt adhesive for CPL coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114716947B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353828A (en) * | 2022-10-13 | 2022-11-18 | 松川工业材料(江苏)有限公司 | Hot melt adhesive for high-temperature filter compounding and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030096896A1 (en) * | 2001-10-18 | 2003-05-22 | Baoyu Wang | Hot melt adhesive composition based on a blend of amorphous poly-alpha-olefin and syndiotactic polypropylene |
| JP2004284575A (en) * | 2003-03-06 | 2004-10-14 | Hitachi Kasei Polymer Co Ltd | Precoated surface material for vehicular interior material and manufacturing method of vehicular interior material |
| CN110540818A (en) * | 2019-09-18 | 2019-12-06 | 杭州之江新材料有限公司 | Non-reactive polyolefin hot melt adhesive, preparation method and application thereof |
-
2021
- 2021-08-03 CN CN202110885570.3A patent/CN114716947B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030096896A1 (en) * | 2001-10-18 | 2003-05-22 | Baoyu Wang | Hot melt adhesive composition based on a blend of amorphous poly-alpha-olefin and syndiotactic polypropylene |
| JP2004284575A (en) * | 2003-03-06 | 2004-10-14 | Hitachi Kasei Polymer Co Ltd | Precoated surface material for vehicular interior material and manufacturing method of vehicular interior material |
| CN110540818A (en) * | 2019-09-18 | 2019-12-06 | 杭州之江新材料有限公司 | Non-reactive polyolefin hot melt adhesive, preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353828A (en) * | 2022-10-13 | 2022-11-18 | 松川工业材料(江苏)有限公司 | Hot melt adhesive for high-temperature filter compounding and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114716947B (en) | 2023-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3215583B1 (en) | Hot melt adhesive compositions that include semi-crystalline propylene polymer and wax and articles including the same | |
| US10081212B2 (en) | Cohesively failing, non-staining hot melt adhesives | |
| AU2014324898B2 (en) | Hot melt adhesive with functionalized metallocene catalyzed polyolefins | |
| CN102471655B (en) | Low application temperature hot melt adhesive | |
| US20120165455A1 (en) | OBC Based Packaging Adhesive | |
| US10584267B2 (en) | Low application temperature hot melt adhesive composition and a method including the same | |
| CN102834450B (en) | Adhesive compositions and methods | |
| EP3299431B1 (en) | Hotmelt adhesive based on polypropylenes | |
| EP2898035A1 (en) | Adhesive compositions of propylene-based and ethylene-based polymers | |
| EP2970723A1 (en) | Adhesive compositions with wide service temperature window and use thereof | |
| CN114716947A (en) | Polyolefin hot melt adhesive for CPL coating and preparation method thereof | |
| CA2526303A1 (en) | Novel multifunctional polymer for use in hot melt adhesive applications | |
| CA3110452A1 (en) | Hot melt adhesive compositions | |
| CN114716950B (en) | Hot-melt pressure-sensitive adhesive for cotton picker packing adhesive tape and preparation method thereof | |
| JP2001059078A (en) | Hot-melt adhesive composition | |
| AU2021281098A1 (en) | Use of hydrotreated synthetic fischer-tropsch-waxes in polyolefin-based hot melt adhesives | |
| EP4332195A1 (en) | Polypropylene based hot melt adhesive compositions | |
| JP2005272744A (en) | Ethylene/vinyl acetate copolymer and hot-melt adhesive composition comprising the same | |
| CN112322228A (en) | Novel high-heat-resistance quick-packaging hot melt adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |