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A composite enhanced hot-melt marking paint and preparation method thereof

A technology of hot-melt marking paint and composite reinforcement, which is applied in the coating and other directions, can solve the problems of insufficient glass bead coating and limited coating strength and toughness, and achieve improved compactness, enhanced reflective persistence, and accelerated stress absorption. Effect

Active Publication Date: 2022-02-01
辽宁省高速公路运营管理有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems in the prior art that the hot-melt paint is insufficiently attached to the glass beads and the coating has limited strength and toughness, the purpose of the present invention is to provide a composite enhanced hot-melt marking paint and its preparation method. The present invention comprehensively utilizes Nano micropowder and inorganic mineral fiber, optimize the particle gradation of the filler at the same time, obtain a hot-melt marking paint with excellent strength and toughness, outstanding reflective performance and its preparation method

Method used

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  • A composite enhanced hot-melt marking paint and preparation method thereof
  • A composite enhanced hot-melt marking paint and preparation method thereof

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preparation example Construction

[0051] The preparation method of the enhanced hot-melt marking paint specifically includes the following steps.

[0052] Step 1. Preparation of functional powder: pre-mixing nano-fine powder and inorganic mineral fiber to obtain functional fine powder with an airflow mixer. The operating pressure of the airflow mixer is 1 MPa, and the mixing time is 5 minutes.

[0053] Step 2, preparation of filler: premix quartz sand and heavy calcium carbonate with an airflow mixer, the operating pressure of the airflow mixer is 1MPa, and the mixing time is 5min, and then the premixed quartz sand and heavy calcium carbonate are mixed with a negative pressure sieving machine. Calcium carbonate is graded into three grades of fillers, and each grade of fillers is weighed according to a predetermined ratio, and then put into a trough-shaped ribbon mixer and mixed for 15-20 minutes to obtain graded fillers.

[0054] Step 3. Mixing: Weigh functional powder, petroleum resin, fillers, colorants, add...

Embodiment 1

[0056] The nano-calcium carbonate and wollastonite were premixed with an airflow mixer to obtain a functional powder, and 3.9 kg of the functional powder was weighed for use. Weigh 20kg of hydrogenated C5 petroleum resin, 64.6kg of filler, 7.3kg of titanium dioxide, 0.7kg of dioctyl phthalate, 3.5kg of PE wax, and 23kg of glass beads, and put them into the The trough type screw ribbon mixer mixed to obtain 123kg composite enhanced hot-melt marking paint.

Embodiment 2

[0058] Use an airflow mixer to pre-mix nano-zinc oxide and calcium sulfate whiskers to obtain functional powder, weigh 4.6 kg of functional powder, and set aside. Weigh 22kg of hydrogenated C5 petroleum resin, 64.3kg of filler, 5.8kg of chrome yellow in sunscreen, 0.5kg of dioctyl phthalate, 2.8kg of PE wax, and 23kg of glass beads, and put them in together with the weighed functional powder Mix to trough type screw ribbon mixer, obtain 123kg composite enhanced hot-melt marking paint.

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Abstract

The invention relates to the technical field of road marking paint, in particular to a hot-melt marking paint and a preparation method thereof which synergistically utilize nano active micropowder and inorganic mineral fiber. A composite enhanced hot-melt marking paint, which is composed of the following raw materials in parts by weight: 190-250 parts of film-forming agent, 546-646 parts of filler, 58-73 parts of colorant, 33-59 parts of additive, and 39 parts of functional powder ‑80 parts, glass microspheres 23 parts. The invention comprehensively utilizes the nano micropowder and the inorganic mineral fiber, optimizes the particle gradation of the filler at the same time, and the prepared paint coating has outstanding compressive resistance, crack resistance and aging resistance, and the reflective persistence is further enhanced.

Description

technical field [0001] The invention relates to the technical field of road marking paint, in particular to a hot-melt marking paint and a preparation method thereof which synergistically utilize nano active micropowder and inorganic mineral fiber. Background technique [0002] Road marking paint is a paint that is applied on the road to mark road markings. It is a safety mark and a "language" in road traffic. Road markings are an important part of traffic facilities. Clear and complete road markings can give drivers and pedestrians good conditioned reflexes, which can effectively reduce accidents and improve driving efficiency. [0003] There are four types of road marking paints used in my country: hot-melt type, two-component type, water-based and normal temperature solvent type. Hot-melt traffic marking paint has the advantages of quick drying, large coating thickness, good reflective persistence, wide source of components, and low cost. It is currently the most widely ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D157/02C09D7/61
CPCC09D157/02C09D7/61C09D7/67C09D7/70C08K2201/011C08K2201/003C08K2003/265C08K2003/2241C08K2003/2296C08K2003/267C08L2201/08C08L23/06C08K13/04C08K7/20C08K3/36C08K3/26C08K3/22C08K5/12C08K7/10C08K7/08C08K7/14
Inventor 范春生季方张金虎张哲诚金恺徐超金舸
Owner 辽宁省高速公路运营管理有限责任公司