CN114561065B - Polypropylene composite material with biological inducibility and preparation method and application thereof - Google Patents
Polypropylene composite material with biological inducibility and preparation method and application thereof Download PDFInfo
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- CN114561065B CN114561065B CN202111535625.4A CN202111535625A CN114561065B CN 114561065 B CN114561065 B CN 114561065B CN 202111535625 A CN202111535625 A CN 202111535625A CN 114561065 B CN114561065 B CN 114561065B
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- -1 Polypropylene Polymers 0.000 title claims abstract description 71
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 70
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 70
- 239000002131 composite material Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002023 wood Substances 0.000 claims abstract description 44
- 241001465754 Metazoa Species 0.000 claims abstract description 42
- 239000000411 inducer Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 29
- 235000013312 flour Nutrition 0.000 claims abstract description 15
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000013339 cereals Nutrition 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000796 flavoring agent Substances 0.000 claims description 10
- 235000019634 flavors Nutrition 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000005667 attractant Substances 0.000 claims description 5
- 230000031902 chemoattractant activity Effects 0.000 claims description 5
- 235000013305 food Nutrition 0.000 claims description 5
- 239000003607 modifier Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000003975 animal breeding Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- YIKYNHJUKRTCJL-UHFFFAOYSA-N Ethyl maltol Chemical compound CCC=1OC=CC(=O)C=1O YIKYNHJUKRTCJL-UHFFFAOYSA-N 0.000 claims description 2
- 229940024606 amino acid Drugs 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- ZDKZHVNKFOXMND-UHFFFAOYSA-N cis-Nepetalactone Natural products O=C1OC=C(C)C2C1C(C)CC2 ZDKZHVNKFOXMND-UHFFFAOYSA-N 0.000 claims description 2
- ZDKZHVNKFOXMND-NBEYISGCSA-N cis-trans-nepetalactone Chemical group O=C1OC=C(C)[C@@H]2[C@H]1[C@@H](C)CC2 ZDKZHVNKFOXMND-NBEYISGCSA-N 0.000 claims description 2
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 claims description 2
- 229940093503 ethyl maltol Drugs 0.000 claims description 2
- 235000013923 monosodium glutamate Nutrition 0.000 claims description 2
- 229940073490 sodium glutamate Drugs 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 5
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 16
- 238000012360 testing method Methods 0.000 description 9
- 239000003205 fragrance Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000282324 Felis Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 240000009215 Nepeta cataria Species 0.000 description 1
- 235000010679 Nepeta cataria Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000030961 allergic reaction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000013872 defecation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/03—Housing for domestic or laboratory animals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
- A01K5/01—Feed troughs; Feed pails
- A01K5/0114—Pet food dispensers; Pet food trays
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- General Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Birds (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polypropylene composite material with biological inducibility and a preparation method and application thereof. The polypropylene composite material provided by the invention comprises the following components in parts by weight: 80-90 parts of polypropylene, 1-5 parts of compatilizer, 8-12 parts of wood powder, 1-3 parts of biological inducer and 2-5 parts of epoxy resin, wherein the average grain diameter of the wood powder is 100-200 mu m; the compatilizer is polypropylene grafted maleic anhydride. The invention utilizes the porous structure of wood powder to effectively adsorb and retain the biological inducer, improves the retention time of the biological inducer, prolongs the release durability, balances the release concentration and forms the slow release effect; the synergistic effect of the wood flour, the compatilizer and the epoxy resin ensures that the biological inducer is uniformly dispersed in the polypropylene matrix, the release concentration is more balanced, and the biological inducer has more lasting attraction to animals.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a polypropylene composite material with biological inducibility and a preparation method and application thereof.
Background
At present, along with the improvement of the life quality of people, the demands on pets are higher and higher, and how to effectively train animals to eat, defecation and sleep in a designated place becomes a new demand for life nowadays. The animal is often contacted with articles (such as pet lunch boxes and cages, and the common materials are thermoplastic plastics such as polypropylene) to increase biological induction components, and the animal is attracted to enter a designated place by using smell, color and the like, so that the animal becomes a new direction of the application of the materials at present.
At present, the prior art has reported the addition of fragrance materials to polymers by conventional processing means of melt blending. The prior art discloses a plastic with fragrance, comprising a plastic body, a stabilizer and a perfume. However, the problem that the odor emission of the plastic product is unbalanced, the odor persistence is low, the odor concentration is quickly reduced with time is all the problems that the odor concentration is too high in the early stage and allergic reaction is caused to human bodies or pets are all the problems that the odor is directly mixed and extruded with the high polymer plastic.
In addition, articles for pets are required to have extremely high safety, which is non-toxic, odorless, and good mechanical properties. Therefore, there is a need to develop a polypropylene composite material which is biologically inducible and has a slow release of odor.
Disclosure of Invention
The invention provides a polypropylene composite material with biological inducibility, which is used for effectively adsorbing and retaining a biological inducer by utilizing the porous structure of wood powder, improving the retention time of the biological inducer, prolonging the release duration, balancing the release concentration and forming the slow release effect.
Another object of the present invention is to provide a method for preparing the polypropylene composite material.
The invention also aims to provide application of the polypropylene composite material in the fields of pet articles, animal domestication and animal breeding.
In order to solve the technical problems, the invention adopts the following technical scheme:
a polypropylene composite material with biological inducibility comprises the following components in parts by weight:
80-90 parts of polypropylene and the like,
1-5 parts of a compatilizer,
8-12 parts of wood powder,
1-3 parts of biological inducer,
2-5 parts of epoxy resin,
the average grain diameter of the wood powder is 100-200 mu m; the compatilizer is polypropylene grafted maleic anhydride.
The wood powder has a porous structure, can effectively adsorb and retain the biological inducer, and can improve the retention time of the biological inducer, prolong the release duration, balance the release concentration and form the slow release effect after being mixed with other components for extrusion. Meanwhile, the wood flour has woody fragrance and high affinity, so that the affinity and the interestingness of animals to the polypropylene composite material can be improved.
The addition of the epoxy resin can be synergistic with the compatilizer to increase the binding force of the wood flour and the polypropylene matrix, so that the retention time of the biological inducer is further prolonged.
Preferably, the grafting rate of maleic anhydride in the polypropylene grafted maleic anhydride is 1-2%.
Preferably, the wood flour has a pore density of 1 to 5 pores per 100 μm 2 The average pore diameter is 1-10 mu m.
The method for detecting the pore density and average particle size of wood powder comprises the following steps:
weighing 0.1g of wood powder sample, heating at 80deg.C for 4 hr, spraying metal, observing with electron microscope at 400-600 times, and measuring at 400 μm 2 And capturing holes in the visual field by using image capturing software to obtain aperture values and the number of the holes, and calculating to obtain the aperture density and the average aperture.
Preferably, the average particle diameter of the wood powder is 160-180 mm.
Preferably, the wood flour is oak wood flour.
Oak wood powder is preferred because oak has better heat resistance and better heat stability in the subsequent melt extrusion process.
Preferably, the bio-inducer is a food flavor modifier and/or an animal flavor attractant.
The food flavor modifier has attractive flavor and is very easy to attract the attention of animals. The animal flavor attractant may be a primary component of catmint extract, and is capable of causing excitation in a feline.
Preferably, the food flavor modifier is one or more of ethyl maltol, sodium glutamate or amino acids.
Preferably, the animal fragrance attractant is nepetalactone.
Preferably, the polypropylene has a melt flow rate of 15 to 25g/10min at 230℃under a load of 2.16 kg.
The detection method of the melt flow rate of the polypropylene resin is GB/T3682-2018.
Preferably, the polypropylene composite material comprises the following components in parts by weight: 83-88 parts of polypropylene, 2-4 parts of compatilizer, 9-11 parts of wood powder, 1.5-2.5 parts of biological inducer and 2.5-4 parts of epoxy resin.
More preferably, the polypropylene composite material comprises the following components in parts by weight: 85 parts of polypropylene, 3 parts of compatilizer, 10 parts of wood powder, 2 parts of biological inducer and 3 parts of epoxy resin.
The invention also provides a preparation method of the polypropylene composite material, which comprises the following steps:
s1, mixing an organic solvent dissolved with a biological inducer with wood powder, and removing the organic solvent after uniformly stirring to obtain modified wood powder;
s2, mixing the modified wood powder, the polypropylene, the compatilizer and the epoxy resin which are prepared in the step S1, adding the mixture into an extruder, and carrying out melt mixing, extrusion granulation to obtain the polypropylene composite material.
Preferably, in the step S1, the stirring is carried out at 20-50 rpm for 3-5 min.
Preferably, in step S1, the solvent removal means nitrogen-blow drying or freeze drying.
Preferably, the extruder is a twin screw extruder.
Preferably, the extrusion temperature of the double-screw extruder is 120-160 ℃, the screw rotating speed is 200-400 rpm, and the length-diameter ratio of the screw is 40-48:1.
The invention also protects application of the polypropylene composite material in the fields of pet articles, animal domestication and animal breeding.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a polypropylene composite material with biological inducibility. By utilizing the porous structure of wood powder, the biological inducer is effectively adsorbed and reserved, the retention time of the biological inducer is improved, the release duration is prolonged, and the slow release effect is formed; the synergistic effect of the wood flour, the compatilizer and the epoxy resin ensures that the biological inducer is uniformly dispersed in the polypropylene matrix, the release concentration is more balanced, and the biological inducer has more lasting attraction to animals.
Detailed Description
The invention is further described below in connection with the following detailed description.
The raw materials in examples and comparative examples are all commercially available;
unless specifically stated otherwise, the reagents, methods and apparatus employed in the present invention are those conventional in the art.
Examples 1 to 15
Examples 1-15 respectively provide a polypropylene composite material, the component content is shown in table 1, and the preparation method is as follows:
s1, mixing an organic solvent (diethyl ether) dissolved with a biological inducer with wood flour, stirring at 30rpm for 5min, and freeze-drying to remove the organic solvent to obtain modified wood flour;
s2, mixing the modified wood powder, the polypropylene, the compatilizer and the epoxy resin prepared in the step S1, adding the mixture into a double-screw extruder, and carrying out melt mixing, extrusion granulation to obtain a polypropylene composite material;
wherein the extrusion temperature of the double-screw extruder is 120-160 ℃, the screw rotating speed is 200-400 rpm, and the length-diameter ratio of the screw is 40:1.
TABLE 1 component content (parts by weight) of Polypropylene composite materials of examples 1 to 15
Comparative examples 1 to 4
Comparative examples 1 to 4 respectively provide a polypropylene composite material, the component contents are shown in Table 2, and the preparation methods of comparative examples 1, 3 and 4 are the same as those of examples 1 to 14; the preparation method of comparative example 2 is as follows:
mixing the components according to the content of the components in comparative example 2, adding the mixture into a double-screw extruder, and carrying out melt mixing, extrusion and granulation to obtain a polypropylene composite material; wherein the extrusion temperature of the double-screw extruder is 120-160 ℃, the screw rotating speed is 200-400 rpm, and the length-diameter ratio of the screw is 40:1.
Table 2 component content (parts by weight) of Polypropylene composite materials of comparative examples 1 to 4
Performance testing
The polypropylene composite materials prepared in the above examples and comparative examples were subjected to performance testing by the following specific methods:
animal contactDuration of time: the polypropylene composite material is injection molded into 16 square boards with 10cm x 10cm, and immediately placed in 16m 2 In the room, the square board placement density is 1 block/m 2 The room temperature is 23 ℃ and the humidity is 50%, the total time length of the animal contacting the square plate within 24 hours is observed, three groups of parallel experiments are carried out, and an average value A is calculated;
standing in a sealed environment with a temperature of 23 ℃ and a humidity of 50% for 15 days after square plate injection molding, and then standing again for 16m 2 In the room, the square board placement density is 1 block/m 2 The room temperature is 23 ℃ and the humidity is 50%, the total time length of the animal contacting the square plate within 24 hours is observed, three groups of parallel experiments are carried out, and an average value B is calculated;
standing in a sealed environment with a temperature of 23 ℃ and a humidity of 50% for 30 days after square plate injection molding, and then standing again for 16m 2 In the room, the square board placement density is 1 block/m 2 The room temperature is 23 ℃ and the humidity is 50%, the total time length of the animal contacting the square plate within 24 hours is observed, three groups of parallel experiments are carried out, and an average value C is calculated;
in the invention, any part of the animal body is considered to touch the square plate for 3s or more, namely the contact square plate; the specific test method for the total duration of animal contact square plate within 24 hours is as follows: starting timing when the animal touches the square plate once, and stopping timing when the animal leaves; the accumulated time of the "total duration" is counted if the single contact square plate time is 3s or more, and the accumulated time of the "total duration" is not counted if the single contact square plate time is 3s or less.
The test animals of examples 5 and 6 were dogs, and the test animals of the remaining examples and comparative examples were cats.
The test results of examples 1 to 15 are shown in Table 3, and the test results of comparative examples 1 to 4 are shown in Table 4.
TABLE 3 test results for examples 1-15
From the test results of table 3, it can be seen that the polypropylene composite material prepared in each example of the present invention has good and durable attractiveness to animals (cats or dogs).
According to examples 1 to 4, when the average particle diameter of the wood flour is 160 to 180. Mu.m, the attraction of the polypropylene composite material to animals is higher, and after 30 days of standing, the animal contact time (C) is longer, which indicates that the durability of the polypropylene composite material is better.
By examples 1 and 7, the compatibility between the components was better when the grafting ratio of maleic anhydride in the compatibilizer was higher, so that the polypropylene composite had a longer lasting attraction to animals.
The animal contact time length (A) of the polypropylene composite material of the embodiment 1 and the embodiments 9 to 15 is high, and after the polypropylene composite material of the embodiment 14 is placed for different times, the animal attraction degree is reduced to a small extent, namely the animal contact time length (B) and the animal contact time length (C) are still kept to be high, which indicates that the retention time of the biological inducer is long, the release duration is good, and the slow-release effect is achieved. Therefore, the component content of the polypropylene composite material of the invention is preferably 85 parts of polypropylene, 3 parts of compatilizer, 10 parts of wood powder, 2 parts of biological inducer and 3 parts of epoxy resin. In example 15, although the animal contact time period (a) was high, the loss rate of the bio-inducer was high after 15 days and 30 days, and the attractiveness to animals was low.
Table 4 test results of comparative examples 1 to 4
In comparative example 1, the compatibilizing agent is polyethylene grafted maleic anhydride, but not polypropylene grafted maleic anhydride, and the compatibilizing effect with the polypropylene resin matrix, wood flour and other components is weaker, so that the release of the biological inducer is quicker, and the prepared polypropylene composite material has poorer lasting attraction to animals.
In comparative example 2, wood powder was not contained, the bio-inducer was not adsorbed to wood powder, but was directly blended with other components, and the prepared polypropylene composite was very poor in long-lasting attractiveness to animals, and after 15 days of standing, the animal contact time period (B) was only 6.2 hours, and after 30 days of standing, the animal contact time period (C) was only 2.1 hours.
The comparative example 3 does not contain epoxy resin, cannot form a synergistic effect with a compatilizer, has poor binding force between wood flour and a polypropylene resin matrix, and has poor attractiveness to animals after being placed for 30 days.
In comparative example 4, the average particle size of wood flour was too large to be well dispersed in polypropylene system, and the bio-inducer adsorbed by wood flour was also difficult to be uniformly distributed and permanently released in polypropylene composite material. The polypropylene composite produced in comparative example 4 was very attractive to animals.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The polypropylene composite material with biological inducibility is characterized by comprising the following components in parts by weight:
80-90 parts of polypropylene, 1-5 parts of compatilizer, 8-12 parts of wood powder, 1-3 parts of biological inducer, 2-5 parts of epoxy resin,
the average grain diameter of the wood powder is 100-200 mu m; the compatilizer is polypropylene grafted maleic anhydride,
the wood powder has a pore density of 1-5 pores per 100 μm and an average pore diameter of 1-10 μm,
wherein, the biological inducer is dissolved in the organic solvent, and is mixed with the wood powder and stirred uniformly, the organic solvent is removed to obtain the modified wood powder,
the biological inducer is food flavor modifier and/or animal flavor attractant.
2. The polypropylene composite material according to claim 1, wherein the grafting ratio of maleic anhydride in the polypropylene grafted maleic anhydride is 1-2%.
3. The polypropylene composite material according to claim 1, wherein the wood flour has an average particle size of 160-180 mm.
4. The polypropylene composite according to claim 1, wherein the food flavor modifier is one or more of ethyl maltol, sodium glutamate, or amino acids.
5. The polypropylene composite of claim 1, wherein the animal flavor attractant is nepetalactone.
6. The polypropylene composite material according to claim 1, wherein the polypropylene has a melt flow rate of 15-25 g/10min at 230 ℃ under a load of 2.16 kg.
7. The method for preparing the polypropylene composite material according to any one of claims 1 to 6, comprising the steps of:
s1, mixing an organic solvent dissolved with a biological inducer with wood powder, and removing the organic solvent after uniformly stirring to obtain modified wood powder;
s2, mixing the modified wood powder, the polypropylene, the compatilizer and the epoxy resin which are prepared in the step S1, adding the mixture into an extruder, and carrying out melt mixing, extrusion granulation to obtain the polypropylene composite material.
8. The use of the polypropylene composite according to any one of claims 1 to 6 in the preparation of pet articles, animal domestication and animal breeding fields.
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| JPH0299541A (en) * | 1988-10-05 | 1990-04-11 | Mitsui Toatsu Chem Inc | Polypropylene resin composition |
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| JPH10501295A (en) * | 1994-06-10 | 1998-02-03 | アルセル・テクノロジーズ・インコーポレイテッド | Degradable polymers and polymer products |
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| NL1009216C1 (en) * | 1998-05-19 | 1999-11-22 | Ceres B V | Preparation of composite polymer materials |
| FR2782999B1 (en) * | 1998-09-09 | 2002-05-10 | Ulice | BIODEGRADABLE MATERIAL BASED ON POLYMER AND CEREAL FLOUR, MANUFACTURING METHOD THEREOF AND USES THEREOF |
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