CN110128980A - A kind of plasticizer-resistant hot melt adhesive and preparation method thereof - Google Patents
A kind of plasticizer-resistant hot melt adhesive and preparation method thereof Download PDFInfo
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- CN110128980A CN110128980A CN201910350830.XA CN201910350830A CN110128980A CN 110128980 A CN110128980 A CN 110128980A CN 201910350830 A CN201910350830 A CN 201910350830A CN 110128980 A CN110128980 A CN 110128980A
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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
- 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
- C09J123/02—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 not modified by chemical after-treatment
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of plasticizer-resistant hot melt adhesive and preparation method thereof, include the component of following mass fraction: 3-15 parts of ethylene acrylic acid co polymer wax；Metallocene catalysis polypropylene with hemicrystalline polymer 5-30 parts of a alkene；20-50 parts of amorphous polyalphaolefin；0.1-1 parts of antioxidant；30-60 parts of tackifying resin.In the present invention, according to formula ratio by after EAA ethylene acrylic acid co polymer wax, metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, amorphous polyalphaolefin, antioxidant and tackifying resin stepwise reaction, each component is by synergistic effect, when being bonded to the material containing plasticizer, the performance of its adhesive property is good, more preferably, intensity is bigger for compatibility, and bonding is secured, peel strength is big, not degumming, not inharmonious, stability is good.
Description
Technical field
The present invention relates to hot melt adhesive technical fields more particularly to a kind of plasticizer-resistant hot melt adhesive and preparation method thereof.
Background technique
Hot melt adhesive is a kind of solvent-free free of contamination environmentally protective adhesive, is promoted and applied rapidly in China in recent years, institute
Being related to industry includes building, finishing, electronics, electric appliance, packaging, carpenter, health care, automobile, footwear material etc..When one section following
Between, hot melt adhesive will be one of fastest-rising kind in the whole world.But in some Material Fields containing plasticizer, such as: PVC material
Electric wire, cable, floor and wall veneer, building materials, automobile, footwear material and packaging material etc., producer faces always such a
Problem: using common EVA hot-melt adhesive and SBR class pressure sensitive adhesive, and after being bonded a period of time, EVA hot-melt adhesive and SBR pressure sensitive adhesive have bright
Aobvious degumming and inharmonious phenomenon, or even there is the phenomenon that colloid is corroded, product bonding goes wrong, to give manufacturer's band
Carry out inconvenient and loss.
In the patent application that number of patent application is CN201310299439.4, disclose it is a kind of by polyester polyurethane,
It is made after high melting means polyolefin, polyester elastomer, natural tackifier, slipping agent and the mixing of other auxiliary agents through extrusion, cooling, cutting
Low temperature low viscosity formula type polyurethane hot melt adhesive, have preferable adhesive strength to various substrates, especially for grease,
The substrate of plasticizer has specific characteristics energy.
But Low temperature low viscosity formula type polyurethane hot melt adhesive disclosed above, not enough, melten gel difficulty is big, easy carbon for viscosity
Change, and be glued after the open hour it is short, be not suitable for large area coating and spary coating type glue-applying technique, to the material containing plasticizer into
It after row bonding, is bonded not secured enough, is easy degumming, inharmonious, stability is bad.
Summary of the invention
Shortcoming present in view of the above technology, the purpose of the present invention is to provide a kind of plasticizer-resistant hot melt adhesive and
The viscosity of preparation method, the hot melt adhesive is more preferable, and more preferably, intensity is bigger for compatibility, viscous, open hour at the beginning of surface and solidification speed
Degree can require to adjust according to customer process, easy to operate, and after being bonded to the material containing plasticizer, bonding is secured, removing
Intensity is big, not degumming, not inharmonious, and stability is good.
To achieve the above object, technical scheme is as follows:
The present invention provides a kind of plasticizer-resistant hot melt adhesive, includes the component of following mass fraction:
3-15 parts of ethylene acrylic acid co polymer wax；
Metallocene catalysis polypropylene with hemicrystalline polymer 5-30 parts of a alkene；
20-50 parts of amorphous polyalphaolefin；
0.1-1 parts of antioxidant；
30-60 parts of tackifying resin.
In the present invention, according to formula ratio by EAA ethylene acrylic acid co polymer wax, metallocene catalysis polypropylene and a alkene
After hemicrystalline polymer, amorphous polyalphaolefin, antioxidant and tackifying resin stepwise reaction, each component is made by collaboration
With when being bonded to the material containing plasticizer, adhesive property performance is good, and more preferably, intensity is bigger for compatibility, bonding jail
Gu peel strength is big, not degumming, not inharmonious, stability is good.Specifically, EAA ethylene acrylic acid co polymer wax its fusing point, just
Property, yield tensile strength it is lower than polyethylene, and with AA content increase and reduce, gas-premeable, environmental stress crack resistance with
AA content increases and improves.It, can be effectively viscous as ethylene and acrylic acid through EAA wax made of high pressure-temperature free radical polymerization
It connects substrate surface and forms one of protective film, prevent migration of plasticizer from generating destruction to hot melt colloid；Metallocene catalysis polypropylene
Intensity and flexibility are mainly provided in formula, there is good optical property, is had to aqueous phase system and non-hydrocarbons solvent good
Good chemical-resistant, can preferably resist the erosion of plasticizer, it is ensured that the stability being formulated under plasticizer effects, simultaneously
Excellent heat resistance and cold resistance are provided for formula；Random polyalphaolefin then has a wetting, mobile performance well, at the same with very
More copolymers have good compatibility, can significantly improve the viscosity and toughness of product, meanwhile, it can by random polyalphaolefin
With physical indexs such as the effective open hour for improving formula and curing rates；Tackifying resin, can be effective as tackifier
Improve the wellability and adhesive strength of hot melt adhesive；The aging of raw material during heating can be effectively relieved in a small amount of antioxidant,
It prolongs its service life.
Further, the antioxidant is the combination of phenolic antioxidant or chain-transferring agent and phenolic antioxidant.In this hair
In bright, phenolic antioxidant such as antioxidant 1010 can be effectively prevented the thermal oxidative degradations such as polyethylene wax, polypropylene wax, while can also
As efficient processing stabilizers, polyethylene wax, the polypropylene discoloration-resistant under the high temperature conditions such as cured can be improved, and chain tra nsfer
Agent kind antioxidant, can be used as auxiliary antioxidant, and phenolic antioxidant, such as chain-transferring agent kind antioxidant 168 and phenolic antioxidant
1010 compoundings play good synergistic effect, the more efficient thermal degradation for preventing copolymer in formula.
Further, the tackifying resin is C5 hydrogenated petroleum resin.In the present invention, C5 hydrogenated petroleum resin is as increasing
Stick, can the significantly more efficient wellability and adhesive strength for improving hot melt adhesive.
The present invention also provides a kind of preparation methods of plasticizer-resistant hot melt adhesive, comprising the following steps:
Step S1: preheating in reaction kettle；
Step S2: EAA ethylene acrylic acid co polymer wax being added into reaction kettle, and reactor temperature rises to 170~190 DEG C
Between after constant temperature, and stir, EAA ethylene acrylic acid co polymer wax melted completely；
Step S3: successively by the semi-crystalline polymer of metallocene catalysis polypropylene and a alkene, amorphous polyalphaolefin and anti-
Oxygen agent is added in reaction kettle one by one, and continues to stir, it is all melted, keep in reaction kettle constant temperature 170~190 DEG C it
Between；
Step S4: being down to 130~160 DEG C for reactor temperature, and keep constant temperature, and tackifying resin, and side edged is added
Stirring reduces mixing speed, continues stirring 0.5~1 hour after tackifying resin charging is completed；
Step S5: the mixed material in the reaction kettle of step 4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and plasticizer-resistant hot melt adhesive is made in agglomeration.
In the present invention, normal pressure is kept in reaction kettle, and plasticizer-resistant hot melt adhesive, technological operation step are made by above step
Rapid simple, raw material components sufficiently merge, and the effect of its unique advantage can be played in hot melt adhesive, while each component passes through collaboration
Effect, when being bonded to the material containing plasticizer, adhesive property performance is good.
Further, in step S2, reactor temperature rises to constant temperature after 180 DEG C, in step S3, keeps in reaction kettle
Constant temperature is at 180 DEG C.In the present invention, it keeps constant temperature at 180 DEG C, the performance of plasticizer-resistant hot melt adhesive obtained can be made more preferable.
Further, in step S4, reactor temperature is down to 160 DEG C, and keep constant temperature.It in the present invention, will be anti-
It answers temperature in the kettle to be down to 160 DEG C, and keeps constant temperature, the performance of plasticizer-resistant hot melt adhesive obtained can be made more preferable.
Further, the mixing speed in step S2 and S3 is 20-40 revs/min, the mixing time in step S2 and S3
Respectively at 0.5-1 hours.In the present invention, as above-mentioned setting can make made from plasticizer-resistant hot melt adhesive performance it is more preferable.
Further, mixing speed when tackifying resin is added in step S4 is 15-20 revs/min, and tackifying resin has fed
Mixing speed after is 10-15 revs/min.In the present invention, as above-mentioned setting can make made from plasticizer-resistant hot melt
The performance of glue is more preferable.
Compared with prior art, a kind of plasticizer-resistant hot melt adhesive provided by the invention and preparation method thereof, the hot melt adhesive
Sticky more preferable, more preferably, intensity is bigger for compatibility, and surface is just glued, open hour and curing rate can require according to customer process
Adjustment, easy to operate, after being bonded to the material containing plasticizer, securely, peel strength is big, not degumming for bonding, not inharmonious,
Stability is good.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, the present invention is carried out further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
To achieve the above object, the present invention provides a kind of plasticizer-resistant hot melt adhesive, includes the component of following mass fraction:
3-15 parts of ethylene acrylic acid co polymer wax；
Metallocene catalysis polypropylene with hemicrystalline polymer 5-30 parts of a alkene；
20-50 parts of amorphous polyalphaolefin；
0.1-1 parts of antioxidant；
30-60 parts of tackifying resin.
In the present invention, according to formula ratio by EAA ethylene acrylic acid co polymer wax, metallocene catalysis polypropylene and a alkene
After hemicrystalline polymer, amorphous polyalphaolefin, antioxidant and tackifying resin stepwise reaction, each component is made by collaboration
With when being bonded to the material containing plasticizer, adhesive property performance is good, and more preferably, intensity is bigger for compatibility, bonding jail
Gu peel strength is big, not degumming, not inharmonious, stability is good.Specifically, EAA ethylene acrylic acid co polymer wax its fusing point, just
Property, yield tensile strength it is lower than polyethylene, and with AA content increase and reduce, gas-premeable, environmental stress crack resistance with
AA content increases and improves.It, can be effectively viscous as ethylene and acrylic acid through EAA wax made of high pressure-temperature free radical polymerization
It connects substrate surface and forms one of protective film, prevent migration of plasticizer from generating destruction to hot melt colloid；Metallocene catalysis polypropylene
Intensity and flexibility are mainly provided in formula, there is good optical property, is had to aqueous phase system and non-hydrocarbons solvent good
Good chemical-resistant, can preferably resist the erosion of plasticizer, it is ensured that the stability being formulated under plasticizer effects, simultaneously
Excellent heat resistance and cold resistance are provided for formula；Random polyalphaolefin then has a wetting, mobile performance well, at the same with very
More copolymers have good compatibility, can significantly improve the viscosity and toughness of product, meanwhile, it can by random polyalphaolefin
With physical indexs such as the effective open hour for improving formula and curing rates；Tackifying resin, can be effective as tackifier
Improve the wellability and adhesive strength of hot melt adhesive；The aging of raw material during heating can be effectively relieved in a small amount of antioxidant,
It prolongs its service life.
In the present embodiment, antioxidant is the combination of phenolic antioxidant or chain-transferring agent and phenolic antioxidant.In this hair
In bright, phenolic antioxidant such as antioxidant 1010 can be effectively prevented the thermal oxidative degradations such as polyethylene wax, polypropylene wax, while can also
As efficient processing stabilizers, polyethylene wax, the polypropylene discoloration-resistant under the high temperature conditions such as cured can be improved, and chain tra nsfer
Agent kind antioxidant, can be used as auxiliary antioxidant, and phenolic antioxidant, such as chain-transferring agent kind antioxidant 168 and phenolic antioxidant
1010 compoundings play good synergistic effect, the more efficient thermal degradation for preventing copolymer in formula.
In the present embodiment, tackifying resin is C5 hydrogenated petroleum resin.In the present invention, C5 hydrogenated petroleum resin is as increasing
Stick, can the significantly more efficient wellability and adhesive strength for improving hot melt adhesive.
The present invention also provides a kind of preparation methods of plasticizer-resistant hot melt adhesive, comprising the following steps:
Step S1: preheating in reaction kettle；
Step S2: EAA ethylene acrylic acid co polymer wax being added into reaction kettle, and reactor temperature rises to 170~190 DEG C
Between after constant temperature, and stir, EAA ethylene acrylic acid co polymer wax melted completely；
Step S3: successively by the semi-crystalline polymer of metallocene catalysis polypropylene and a alkene, amorphous polyalphaolefin and anti-
Oxygen agent is added in reaction kettle one by one, and continues to stir, it is all melted, keep in reaction kettle constant temperature 170~190 DEG C it
Between；
Step S4: being down to 130~160 DEG C for reactor temperature, and keep constant temperature, and tackifying resin, and side edged is added
Stirring reduces mixing speed, continues stirring 0.5~1 hour after tackifying resin charging is completed；
Step S5: the mixed material in the reaction kettle of step 4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and plasticizer-resistant hot melt adhesive is made in agglomeration.
In the present invention, normal pressure is kept in reaction kettle, and plasticizer-resistant hot melt adhesive, technological operation step are made by above step
Rapid simple, raw material components sufficiently merge, and the effect of its unique advantage can be played in hot melt adhesive, while each component passes through collaboration
Effect, when being bonded to the material containing plasticizer, adhesive property performance is good.
In the present embodiment, in step S2, reactor temperature rises to constant temperature after 180 DEG C, in step S3, in reaction kettle
Keep constant temperature at 180 DEG C.In the present invention, it keeps constant temperature at 180 DEG C, the performance of plasticizer-resistant hot melt adhesive obtained can be made more
It is good.
In the present embodiment, in step S4, reactor temperature is down to 160 DEG C, and keep constant temperature.In the present invention,
Reactor temperature is down to 160 DEG C, and keeps constant temperature, the performance of plasticizer-resistant hot melt adhesive obtained can be made more preferable.
In the present embodiment, the mixing speed in step S2 and S3 is 20-40 revs/min, the stirring in step S2 and S3
Time is respectively at 0.5-1 hours.In the present invention, as above-mentioned setting can make made from plasticizer-resistant hot melt adhesive performance more
It is good.
In the present embodiment, mixing speed when tackifying resin is added in step S4 is 15-20 revs/min, and tackifying resin adds
Mixing speed after the completion of material is 10-15 revs/min.In the present invention, as above-mentioned setting can make made from plasticizer-resistant
The performance of hot melt adhesive is more preferable.
Compared with prior art, a kind of plasticizer-resistant hot melt adhesive provided by the invention and preparation method thereof, the hot melt adhesive
Sticky more preferable, more preferably, intensity is bigger for compatibility, and surface is just glued, open hour and curing rate can require according to customer process
Adjustment, easy to operate, after being bonded to the material containing plasticizer, securely, peel strength is big, not degumming for bonding, not inharmonious,
Stability is good.
A kind of plasticizer-resistant hot melt adhesive of the invention and preparation method thereof is carried out below in conjunction with specific embodiment specific
Explanation.
Following table is the specification of raw material used in following embodiment
The specification table of raw material used in table 1- embodiment 1-3
Embodiment 1
A kind of hot melt adhesive of plasticizer-resistant, raw material components include EAA ethylene acrylic acid co polymer according to the mass fraction
7 parts of wax, metallocene catalysis polypropylene and 8 parts of the hemicrystalline polymer of a alkene, 35 parts of amorphous polyalphaolefin, phenolic antioxidant
10100.5 C5-0#50 parts of part, Petropols.
Step S1: preheating in reaction kettle；
Step S2: 7 parts of EAA ethylene acrylic acid co polymer waxes being added into reaction kettle, continue to heat up, until after 180 DEG C
Constant temperature, and stir, mixing speed is 30 revs/min, and EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by 8 parts of metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, 35 parts of amorphous poly- α alkene
Hydrocarbon and 0.5 part of phenolic antioxidant 1010 are added in reaction kettle one by one, and continue to stir, and mixing speed is 30 revs/min, it is complete
Portion's melting, reaction kettle is interior to be kept for 180 DEG C of constant temperature；
Step S4: being down to 160 DEG C for reactor temperature, and 50 parts of Petropols C5-0#, stirring while adding, stirring is added
20 revs/min of speed, after Petropols C5-0# charging is completed, mixing speed is reduced to 10 revs/min, it is small to continue stirring 1
When, form mixed material；
Step S5: the mixed material in the reaction kettle of step S4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and the hot melt adhesive of plasticizer-resistant, test performance is made in agglomeration.
Embodiment 2
A kind of hot melt adhesive of plasticizer-resistant, raw material components include EAA ethylene acrylic acid co polymer according to the mass fraction
5 parts of wax, metallocene catalysis polypropylene and 13 parts of the hemicrystalline polymer of a alkene, 32 parts of amorphous polyalphaolefin, phenolic antioxidant
1010 with C5-0#50 parts of 0.8 part of mixture, the Petropols of chain-transferring agent irgasfos 168.
Step S1: preheating in reaction kettle；
Step S2: 5 parts of EAA ethylene acrylic acid co polymer waxes being added into reaction kettle, continue to heat up, until after 180 DEG C
Constant temperature, and stir, mixing speed is 30 revs/min, and EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by 13 parts of metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, 32 parts of amorphous poly- α
The mixture of alkene and 0.8 part of phenolic antioxidant 1010 and chain-transferring agent irgasfos 168 is added in reaction kettle one by one, and continues to stir
It mixes, mixing speed is 30 revs/min, it is all melted, 180 DEG C of constant temperature are kept in reaction kettle；
Step S4: being down to 160 DEG C for reactor temperature, and 50 parts of Petropols C5-0#, stirring while adding, stirring is added
20 revs/min of speed, after Petropols C5-0# charging is completed, mixing speed is reduced to 10 revs/min, it is small to continue stirring 1
When, form mixed material；
Step S5: the mixed material in the reaction kettle of step S4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and the hot melt adhesive of plasticizer-resistant, test performance is made in agglomeration.
Embodiment 3
A kind of hot melt adhesive of plasticizer-resistant, raw material components include EAA ethylene acrylic acid co polymer according to the mass fraction
7 parts of wax, metallocene catalysis polypropylene and 13 parts of the hemicrystalline polymer of a alkene, 45 parts of amorphous polyalphaolefin, phenolic antioxidant
1010 with C5-0#35 parts of 1 part of mixture, the Petropols of chain-transferring agent irgasfos 168.
Step S1: preheating in reaction kettle；
Step S2: 7 parts of EAA ethylene acrylic acid co polymer waxes being added into reaction kettle, continue to heat up, until after 180 DEG C
Constant temperature, and stir, mixing speed is 30 revs/min, and EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by 13 parts of metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, 45 parts of amorphous poly- α
The mixture of alkene and 1 part of phenolic antioxidant 1010 and chain-transferring agent irgasfos 168 is added in reaction kettle one by one, and continues to stir
It mixes, mixing speed is 30 revs/min, it is all melted, 180 DEG C of constant temperature are kept in reaction kettle；
Step S4: being down to 160 DEG C for reactor temperature, and 35 parts of Petropols C5-0#, stirring while adding, stirring is added
20 revs/min of speed, after Petropols C5-0# charging is completed, mixing speed is reduced to 10 revs/min, it is small to continue stirring 1
When, form mixed material；
Step S5: the mixed material in the reaction kettle of step S4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and the hot melt adhesive of plasticizer-resistant, test performance is made in agglomeration.
Test result is as follows for the hot melt adhesive of plasticizer-resistant made from above-described embodiment 1-3:
Table 1 is the test result of the hot melt adhesive of plasticizer-resistant made from embodiment 1-3
It can be seen that from test result, it is demonstrated experimentally that the hot melt adhesive of plasticizer-resistant of the invention is according to selection raw material proportioning
Difference, gained hardness, softening point and viscosity are adjustable, and compatibility is good, are not in layering or precipitation phenomenon after burn-in test,
Mobility can be adjusted according to formula, and the traditional handicrafts such as melt-blown, frictioning, heat seal can be used, to the bonding substrate containing plasticizer
After being bonded, hot melt colloid can be very good corrosion-resistant, and in 3 months testing times, significant change does not occur for adhesive strength,
Feature with apparent plasticizer-resistant, not degumming is not inharmonious, and stability is good, and performance is much better than common EVA hot-melt adhesive and SBR
Pressure sensitive adhesive meets the requirement for being added to plasticizer materials bonding.
Wherein, the amorphous alpha-olefin polymers APAO of the present invention in formula, primarily serves, modified EAA ethylene acrylic
Copolymer waxes improve its existing extremely excellent external lubricity, and have stronger internal lubrication to act on.It is allowed to and filler, pigment, pole
Property resin compatibility significantly improve, viscosity, toughness, lubricity, dispersibility it is more superior.
Wherein, metallocene catalysis polypropylene of the invention be a kind of special elastomer (it utilizes proprietary Metallocene technology,
Compatible polypropylene (PP), and by increasing flexibility, improving impact resistance, improve adhesion strength and reduce or eliminate stress increasing
It is white to reinforce polypropylene (PP) compound, while it being able to maintain transparency again.As a kind of polyolefin, excellent compatibility is showed
Property.Low-density makes the weight/thickness of compound more frivolous.Vistamaxx can be with high-caliber filler and medium level
Oil product load together, and material property will not be significantly reduced.), intensity and flexibility are mainly provided in formula, had good
Optical property, there is good chemical-resistant to aqueous phase system and non-hydrocarbons solvent, can preferably resist plasticizer
It corrodes, it is ensured that the stability being formulated under plasticizer effects, while excellent heat resistance and cold resistance are provided for formula.
Other several embodiments are as follows:
Embodiment 5
A kind of hot melt adhesive of plasticizer-resistant, raw material components include EAA ethylene acrylic acid co polymer according to the mass fraction
3 parts of wax, metallocene catalysis polypropylene and 5 parts of the hemicrystalline polymer of a alkene, 20 parts of amorphous polyalphaolefin, phenolic antioxidant
10100.1 C5-0#30 parts of part, Petropols.
Step S1: preheating in reaction kettle；
Step S2: 3 parts of EAA ethylene acrylic acid co polymer waxes being added into reaction kettle, continue to heat up, until after 170 DEG C
Constant temperature, and stir, mixing speed is 20 revs/min, and EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by 5 parts of metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, 20 parts of amorphous poly- α alkene
Hydrocarbon and 0.1 part of phenolic antioxidant 1010 are added in reaction kettle one by one, and continue to stir, and mixing speed is 20 revs/min, it is complete
Portion's melting, reaction kettle is interior to be kept for 170 DEG C of constant temperature；
Step S4: being down to 130 DEG C for reactor temperature, and 30 parts of Petropols C5-0#, stirring while adding, stirring is added
15 revs/min of speed, after Petropols C5-0# charging is completed, mixing speed is reduced to 10 revs/min, it is small to continue stirring 1
When, form mixed material；
Step S5: the mixed material in the reaction kettle of step S4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and the hot melt adhesive of plasticizer-resistant, test performance is made in agglomeration.
Embodiment 6
A kind of hot melt adhesive of plasticizer-resistant, raw material components include EAA ethylene acrylic acid co polymer according to the mass fraction
15 parts of wax, metallocene catalysis polypropylene and 30 parts of the hemicrystalline polymer of a alkene, 50 parts of amorphous polyalphaolefin, phenolic antioxidant
1010 with C5-0#60 parts of 1 part of mixture, the Petropols of chain-transferring agent irgasfos 168.
Step S1: preheating in reaction kettle；
Step S2: 15 parts of EAA ethylene acrylic acid co polymer waxes being added into reaction kettle, continue to heat up, until after 190 DEG C
Constant temperature, and stir, mixing speed is 40 revs/min, and EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by 30 parts of metallocene catalysis polypropylene and the hemicrystalline polymer of a alkene, 50 parts of amorphous poly- α
The mixture of alkene and 1 part of phenolic antioxidant 1010 and chain-transferring agent irgasfos 168 is added in reaction kettle one by one, and continues to stir
It mixes, mixing speed is 40 revs/min, it is all melted, 190 DEG C of constant temperature are kept in reaction kettle；
Step S4: being down to 160 DEG C for reactor temperature, and 60 parts of Petropols C5-0#, stirring while adding, stirring is added
20 revs/min of speed, after Petropols C5-0# charging is completed, mixing speed is reduced to 15 revs/min, it is small to continue stirring 1
When, form mixed material；
Step S5: the mixed material in the reaction kettle of step S4 is melted and is uniformly mixed completely, Screw Extrusion is added to
Machine squeezes out, cooling, and the hot melt adhesive of plasticizer-resistant, test performance is made in agglomeration.
The above is only several preferred embodiments of the invention, are not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (8)
1. a kind of plasticizer-resistant hot melt adhesive, it is characterised in that include the component of following mass fraction:
3-15 parts of ethylene acrylic acid co polymer wax；
Metallocene catalysis polypropylene with hemicrystalline polymer 5-30 parts of a alkene；
20-50 parts of amorphous polyalphaolefin；
0.1-1 parts of antioxidant；
30-60 parts of tackifying resin.
2. plasticizer-resistant hot melt adhesive according to claim 1, it is characterised in that the antioxidant be phenolic antioxidant or
The combination of chain-transferring agent and phenolic antioxidant.
3. plasticizer-resistant hot melt adhesive according to claim 1, it is characterised in that the tackifying resin is C5 hydrotreated petroleum tree
Rouge.
4. a kind of preparation method of plasticizer-resistant hot melt adhesive, it is characterised in that the following steps are included:
Step S1: preheating in reaction kettle；
Step S2: EAA ethylene acrylic acid co polymer wax being added into reaction kettle, and reactor temperature rises between 170~190 DEG C
Constant temperature later, and stir, EAA ethylene acrylic acid co polymer wax is melted completely；
Step S3: successively by the semi-crystalline polymer of metallocene catalysis polypropylene and a alkene, amorphous polyalphaolefin and antioxidant
It is added in reaction kettle one by one, and continues to stir, it is all melted, keeps constant temperature between 170~190 DEG C in reaction kettle；
Step S4: being down to 130~160 DEG C for reactor temperature, and keep constant temperature, tackifying resin is added, and stirring while adding,
After tackifying resin charging is completed, mixing speed is reduced, continues stirring 0.5~1 hour；
Step S5: melting the mixed material in the reaction kettle of step 4 and be uniformly mixed completely, be added to screw extruder, squeezes
Out, cooling, plasticizer-resistant hot melt adhesive is made in agglomeration.
5. the preparation method of plasticizer-resistant hot melt adhesive according to claim 4, it is characterised in that in step S2, in reaction kettle
Temperature rises to constant temperature after 180 DEG C, in step S3, keeps constant temperature at 180 DEG C in reaction kettle.
6. the preparation method of plasticizer-resistant hot melt adhesive according to claim 4, it is characterised in that in step S4, by reaction kettle
Interior temperature is down to 160 DEG C, and keeps constant temperature.
7. the preparation method of plasticizer-resistant hot melt adhesive according to claim 4, it is characterised in that stirring in step S2 and S3
Mixing speed is 20-40 revs/min, and the mixing time in step S2 and S3 is respectively at 0.5-1 hours.
8. the preparation method of plasticizer-resistant hot melt adhesive according to claim 4, it is characterised in that thickening tree is added in step S4
Mixing speed when rouge is 15-20 revs/min, and the mixing speed after the completion of tackifying resin charging is 10-15 revs/min.
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| CN112778939A (en) * | 2019-11-05 | 2021-05-11 | 广州佳得新材料有限公司 | Seamless edge sealing hot melt adhesive and preparation method thereof |
| CN113462332A (en) * | 2021-08-05 | 2021-10-01 | 广州波塞冬材料科技有限公司 | Vertical-sticking hot melt adhesive applied to air filter and preparation method thereof |
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