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Glass microsphere for TPU reflecting film and preparation method of glass microsphere

A technology of glass microbeads and reflective film, applied in the field of glass microbead manufacturing, can solve the problems of poor compatibility and affinity, quality degradation, and affect the performance of reflective film, etc., to enhance compatibility, save usage, and achieve large The effect of mass production

Inactive Publication Date: 2015-09-16
HEFEI DINGLIANG OPTICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, glass microspheres are an important raw material for the manufacture of reflective films, but in actual production, due to the polar state of "hydrophilic and oleophobic" on the surface, the compatibility and affinity between them and the polymer matrix Poor, the obvious interface effect with the polymer matrix makes the glass beads agglomerate and other phenomena, which affects the performance of the reflective film and leads to a decline in quality

Method used

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  • Glass microsphere for TPU reflecting film and preparation method of glass microsphere
  • Glass microsphere for TPU reflecting film and preparation method of glass microsphere

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Embodiment Construction

[0015] A kind of glass beads for TPU reflective film, made of the raw materials with the following weight (kg): sepiolite 30, cullet 43, phosphate 32, rutile 22, leucite 32, gold mine tailings 35, poly Alpha Olefin 8, Sorbitan Olivate 4, Dodecafluoroheptylpropyl Trimethoxysilane 3, Ethoxylated Castor Oil 4, 1,4-Butane Sultone 6, Additive 12;

[0016] The preparation method of described additive is as follows: a, take the raw material of following weight (kg): kaolin clay tailings 45, lithium feldspar 30, icelandite 27, barite 25, fluorite 34, lithium tetraborate 12, Sodium antimonate 14, zinc selenite 10, sodium sulfate 8, cesium iodide 6, gypsum powder 15, diyttrium trioxide 5; b, kaolin clay tailings, lithium feldspar, Iceland stone, barite , Fluorite mixed evenly, crushed, passed through a 100-mesh sieve, added 8 times the amount of water, wet ball milled at 3500r / min for 25min, dried, calcined at 820°C for 1h, continued to heat up to 1250°C, and calcined for 3h , quenched...

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Abstract

The invention discloses a glass microsphere for a TPU reflecting film and a preparation method of the glass microsphere. The glass microsphere is prepared from such raw materials in parts by weight: 25-35 parts of sepiolite, 36-49 parts of glass cullet, 22-38 parts of variscite, 16-27 parts of rutile, 22-36 parts of leucite, 30-40 parts of gold tailings, 5-10 parts of polymerized alpha-olefin, 3-6 parts of sorbitan olivate, 2-4 parts of dodecafluoropropyltrimethoxysilane, 3-6 parts of ethoxylated castor oil, 4-8 parts of 1,4-butanesultone and 8-14 parts of additives. Due to reasonable proportioning and scientific preparation process and technique, the production of high-quality, high-refractive index and high-stability of glass microspheres is realized; besides, the glass microspheres have good mechanical properties, corrosion resistance, weather resistance and high temperature resistance; furthermore, large-scale batch production can be realized.

Description

technical field [0001] The invention relates to a glass microsphere for a TPU reflective film and a preparation method thereof, belonging to the field of glass microsphere manufacture. Background technique [0002] Reflective film is a film with a special structure that uses optical principles to retroreflect light back to the light source. TPU reflective film is a novel reflective material formed by combining the reflective layer formed by glass beads and TPU polymer material by special technology. It is widely used in clothing, composite fabrics, sporting goods, inflatable products, and clothing accessories. , construction, shoe materials, printing, trademarks, water bags, handicrafts, etc. Among them, glass microspheres are an important raw material for the manufacture of reflective films, but in actual production, due to the polar state of "hydrophilic and oleophobic" on the surface, the compatibility and affinity between them and the polymer matrix Poor, the obvious i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C12/00C03C6/02C03C17/28
Inventor 范春平
Owner HEFEI DINGLIANG OPTICAL TECH
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