Extrusion-type backing plate for photovoltaic cell and preparation method of backing plate

A photovoltaic cell and extrusion technology, applied in chemical instruments and methods, applications, circuits, etc., can solve the problems of lack of flame retardancy, achieve improved flame retardancy, simple and easy preparation method, and good flame retardancy Effect

Active Publication Date: 2016-04-06
SUZHOU DUCHAMPS ADVANCED MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no description about flame retardancy

Method used

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  • Extrusion-type backing plate for photovoltaic cell and preparation method of backing plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] An extruded back sheet for photovoltaic cells, the preparation method of which is as follows:

[0036] (1) Surface treatment of the filler: weigh a certain amount of silane coupling agent KH550 (1% of the glass fiber mass), add a small amount of ethanol aqueous solution; weigh the glass fiber and place it in a high-speed mixer, and heat up while stirring at a high speed To 60°C, add the coupling agent solution drop by drop; after the dropwise addition, continue to mix at high speed for 20 minutes; after the mixing is completed, take out the treated glass fiber, dry it in a blast drying oven at 120°C for 1 hour, and set aside;

[0037] (2) Preparation of nano-flame retardant: add ethanol to the container, heat it to 60°C, then add water and a certain amount of cage polysilsesquioxane, water and cage polysilsesquioxane successively under stirring The molar ratio of siloxane is 3:1; after stirring and dispersing for 1min, add nano-aluminum hydroxide and continue stirring a...

Embodiment 2

[0044] An extruded flame-retardant backboard, the preparation method of which is as follows:

[0045] (1) Surface treatment of filler: weigh a certain amount of silane coupling agent KH550 (1% of the carbon fiber mass), add a small amount of ethanol aqueous solution; weigh the carbon fiber and place it in a high-speed mixer, and heat up to 60°C while stirring at a high speed ℃, add the coupling agent solution drop by drop; after the dropwise addition, continue to mix at high speed for 20 minutes; after the mixing is completed, take out the treated carbon fiber, dry it in a blast drying oven at 120℃ for 1 hour, and set aside;

[0046] (2) Preparation of nano-flame retardant: add ethanol to the container, heat it to 60°C, then add water and a certain amount of cage polysilsesquioxane, water and cage polysilsesquioxane successively under stirring The molar ratio of siloxane is 3:1; after stirring and dispersing for 1min, add nano-magnesium hydroxide and continue stirring at 60°C ...

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Abstract

The invention discloses an extrusion-type backing plate for a photovoltaic cell. The backing plate comprises an upper surface layer, a core layer and a lower surface layer, wherein the upper surface layer is composed of polyamide resin, filler, a flame retardant and additives, the core layer is composed of polypropylene resin and grafted polyethylene modified polyamide resin, filler, flame retardant and additives, the lower surface layer is composed of polyamide resin, flame retardant, a coupling agent and additives, the flame retardant is composed of a nanoscale inorganic flame retardant subjected to surface treatment and red phosphorus, the nanoscale inorganic flame retardant is selected from aluminum hydroxide and/or magnesium hydroxide of 10-100 nm, and a used surface treating agent is ethylene-based polyhedral oligomeric silsesquioxane of 1-5 nm. The extrusion-type backing plate is good in flame-retardant effect which reaches the A level through combustion tests, and it can be guaranteed that the flame retardant has no influence on the mechanical property, aging-resistant property, waterproof property, insulating property and the like of the extrusion-type backing plate.

Description

technical field [0001] The invention relates to an extruded back sheet for photovoltaic cells and a preparation method thereof. Background technique [0002] With the depletion of non-renewable energy sources and increasingly serious environmental problems, solar energy, as a clean energy source, has received unprecedented attention and attention. Solar power generation (also known as photovoltaic power generation) is one of the main ways to effectively utilize solar energy, and as the core component of solar power generation, the reliability of solar cell components directly determines the efficiency of solar power generation. [0003] Photovoltaic modules are mainly composed of low-iron tempered glass, thermoplastic encapsulation film, cell strings, thermoplastic encapsulation film, and backplane, which are laminated and packaged in five layers. In actual use, components may catch fire due to defects in component materials, system design defects, and hot spot effects, cau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08L23/12C08L51/06C08K13/06C08K9/06C08K7/14C08K7/06C08K3/22C08K5/134C08K5/132C08K5/5399C08K3/02C08K5/544C08K5/526B32B27/08B32B27/18B32B27/20B32B27/32B32B27/34H01L31/049H01L31/18B29C47/06
CPCB29C48/18B32B27/08B32B27/18B32B27/20B32B27/32B32B27/34B32B2250/24B32B2262/101B32B2262/106B32B2264/10B32B2264/102B32B2264/104B32B2270/00B32B2307/206B32B2307/3065B32B2307/552B32B2307/7265B32B2457/12C08K3/02C08K3/22C08K5/132C08K5/1345C08K5/526C08K5/5399C08K5/544C08K7/06C08K7/14C08K9/06C08K13/06C08K2003/026C08K2003/2224C08K2003/2227C08K2003/2241C08L23/12C08L2201/02C08L2203/20C08L2205/03H01L31/18C08L77/00C08L51/06Y02P70/50
Inventor 罗吉江符书臻
Owner SUZHOU DUCHAMPS ADVANCED MATERIALS CO LTD
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