Polypropylene composite material with biological inductivity as well as preparation method and application thereof
A technology of composite materials and biological inducers, which is applied in the field of polypropylene composite materials and its preparation, can solve the problem that the odor cannot be released slowly, and achieve the effects of prolonging the release duration, lasting attractiveness, and improving retention time
Active Publication Date: 2022-05-31
KINGFA SCI & TECH CO LTD +1
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Problems solved by technology
[0005] In order to overcome the defect that the odor cannot be slow-released in the above-mentioned prior art, the present invention provides a polypropylene composite material with bio-inducibility, which utilizes the porous structure of wood powder to effectively absorb and retain the bio-inducer, and improve the bio-inducer The retention time, prolong the release duration, balance the release concentration, and form a sustained release effect
Method used
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Embodiment 1～15
[0049] Embodiments 1 to 15 respectively provide a polypropylene composite material, the component contents are shown in Table 1, and the preparation method is as follows:
[0050] S1. Mix the organic solvent (ether) in which the biological inducer is dissolved with the wood powder, and after stirring at 30 rpm for 5 min, freeze-dry to remove the organic solvent to obtain the modified wood powder;
[0051] S2. Mix the modified wood powder, polypropylene, compatibilizer, and epoxy resin prepared in step S1, add it to a twin-screw extruder, melt, mix, and extrude and granulate to obtain a polypropylene composite material;
[0052] The extrusion temperature of the twin-screw extruder is 120-160° C., the screw speed is 200-400 rpm, and the length-diameter ratio of the screw is 40:1.
[0053] Table 1 Component content (parts by weight) of the polypropylene composite materials of Examples 1-15
[0054]
[0055]
[0056]
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Abstract
The invention discloses a polypropylene composite material with biological inductivity as well as a preparation method and application thereof. The polypropylene composite material comprises the following components in parts by weight: 80-90 parts of polypropylene, 1-5 parts of a compatilizer, 8-12 parts of wood flour, 1-3 parts of a biological inducer and 2-5 parts of epoxy resin, and the average particle size of the wood flour is 100-200 [mu] m; the compatilizer is polypropylene grafted maleic anhydride. The porous structure of the wood flour is utilized to effectively adsorb and retain the biological inducer, so that the retention time of the biological inducer is prolonged, the release persistence is prolonged, the release concentration is balanced, and a slow release effect is formed; through the synergistic effect of the wood flour, the compatilizer and the epoxy resin, 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 [0001] The invention relates to the technical field of polymer materials, and more particularly, to a polypropylene composite material with biological inducibility and a preparation method and application thereof. Background technique [0002] At present, with the improvement of people's quality of life, the demand for pets is getting higher and higher. How to effectively train animals to eat, defecate and sleep in designated places has become a new demand in today's life. Using supplies that animals often come into contact with (such as pet lunch boxes and cages, commonly used thermoplastics such as polypropylene), adding bio-inducing components to them, and using smell and color to lure animals into designated places have become a new direction for today's material applications. [0003] Currently, the prior art reports the addition of aroma substances to polymers by conventional processing means of melt blending. The prior art discloses a scented plastic ...
Claims
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IPC IPC(8): C08L23/12C08L97/02C08L51/06C08L63/00C08K5/1545C08K5/17A01K1/03A01K5/01
CPCC08L23/12A01K5/0114A01K1/03C08L97/02C08L51/06C08L63/00C08K5/1545C08K5/175
Inventor 赵汪洋陈平绪叶南飚杨霄云王林陆湛泉
Owner KINGFA SCI & TECH CO LTD
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