Nano composite functional agglomerate for sunshine plate and method for preparing same

A nano-composite, functional masterbatch technology, applied in the field of functional masterbatch for solar panels, can solve the problems of complex co-extrusion process and uneven coating method

Inactive Publication Date: 2005-06-29
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the invention also provides the production process of the nano-composite functional masterbatch, which overcomes the defects of uneven coating and complicated co-extrusion process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 1 kg of nano-TiO with an average particle size of 20-30nm 2 Dry at 90-110°C for 2-4 hours, and 0.5 kg of dried nano-TiO 2 Grinding and mixing with 0.5 kg of silane coupling agent KH550 in a ratio of 1:1 in a ball mill for 20 minutes to complete surface treatment and compounding, and then spray drying, ultra-high speed mixing, Inorganic nano-composites are formed by processes such as jet crushing; then the above-mentioned inorganic nano-composites are dried at 80-100°C for 2-3 hours, and the polycarbonate is dried at 120-130°C for 6-8 hours. 0.2 kg of inorganic nanocomposite material and 96.2 kg of polycarbonate copolymer, 0.1 kg of Irganox1076, 0.3 kg of Irgafos168, 0.2 kg of Tinuvin744, and 3 kg of MBS were premixed for 8 to 10 minutes at a speed of 1200 to 1300 rpm; The material is melt-extruded at 220-280°C with a twin-screw extrusion equipment with an aspect ratio greater than 40, and the screw speed is 50-180rpm, and then the extruded material is cooled wit...

Embodiment 2

[0064]

[0065] Concrete preparation method is with embodiment 1. According to the GB / T 16422.2-1999 standard, the standard test sample of the nano-composite functional masterbatch for solar panels was subjected to accelerated weathering for 1500 hours by using a xenon lamp weather resistance tester. After testing, the notched impact strength of the nanocomposite functional masterbatch test sample before accelerated aging is 75% higher than that of the pure polycarbonate test sample before aging, and the light transmittance of the test sample with a thickness of 2mm before accelerated aging is 45%. %, after 1500 hours of xenon lamp climate accelerated aging, the color change grade is 0, the gloss retention rate is 86.75%, the notched impact strength retention rate is 86.54%, and the 25J cantilever beam pendulum is "continuous" when it is impacted without notch.

Embodiment 3

[0067]

[0068] Concrete preparation method is with embodiment 1. According to the GB / T 16422.2-1999 standard, the standard test sample of the nano-composite functional masterbatch for solar panels was subjected to accelerated weathering for 1500 hours by using a xenon lamp weather resistance tester. After testing, the notched impact strength of the nanocomposite functional masterbatch test sample before aging is 95% higher than that of the pure polycarbonate test sample before aging, and the light transmittance of the test sample with a thickness of 2mm before aging is 42%. After 1500 hours of accelerated weathering, the color change grade is 0, the gloss retention rate is 83.24%, the notched impact strength retention rate is 84.79%, and the 25J cantilever pendulum is "continuous" when impacting without notch.

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Abstract

Disclosed are a nm compound functional agglomerate for sunshine plate and its preparing method, made of organic nm compound material having been processed on the surface and compounded, copolymer of polycarbonate, antioxidant, light stabilizer and elasticizer and other raw materials, through steps of mixing with super high speed, cooling, particle forming and so on. The invention has outstanding resistance to impact and weather, with impact strength being increased by 20-100%, that its compounded kept being higher than 80%, color change degree being 0-1 degree and resistance to impact being higher than 80% after 1500h artificial accelerated aging experiment by 9 weather experimental equipment, so it is suitable for manufacture of fal low, solid and wave-shaped outside sunshine plate with higher requirement for work condition and weather resistance.

Description

technical field [0001] The invention relates to a nanocomposite functional masterbatch, in particular to a functional masterbatch for solar panels. technical background [0002] Sunshine board was born in Europe in the 1980s. It is the trade name of polycarbonate (PC) transparent board, referred to as PC board. It is a new type of high-strength, heat-insulating, and light-transmitting building material. The material is widely used in commercial buildings, gymnasiums, exhibition centers, shopping streets, parking lots, waiting halls, terminal buildings, swimming pools, elevated roads, telephone booths, building curtain walls, partitions of living rooms or offices, etc. Although polycarbonate resin, the matrix resin of the solar panel, has many excellent physical and mechanical properties, like other organic polymer materials, polycarbonate will undergo photoaging and lead to degradation under the action of ultraviolet rays. The degradation product reacts with oxygen or other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/395C08J3/12C08K5/524C08K9/02C08L69/00
Inventor 曹建军涂铭旌郭刚张波段小平李迎星
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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