Infrared reflection polyolefin film and preparation method and application thereof

A technology of infrared reflection and infrared reflection pigments, which is applied in the fields of chemical instruments and methods, lamination, photovoltaic power generation, etc., can solve the problems that polyolefin films cannot reflect, achieve excellent UV resistance and water vapor barrier performance, ensure reflectivity, Effect of High Water Vapor Barrier Performance

Active Publication Date: 2020-07-17
上海紫江彩印包装有限公司
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polyolefin film for the transparent backplane film cannot reflect in the infrared region, especially in the near infrared region.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Infrared reflection polyolefin film and preparation method and application thereof
  • Infrared reflection polyolefin film and preparation method and application thereof
  • Infrared reflection polyolefin film and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] This embodiment provides an infrared reflective polyolefin film. The infrared reflective polyolefin film includes a composite layer, a core layer and a heat-sealing layer laminated in sequence. The thickness of the polyolefin film is 70 μm, the thickness of the composite layer is 20 μm, and the core layer The thickness is 30 μm, and the thickness of the heat-sealing layer is 20 μm. The raw materials for each layer include the following ingredients:

[0069]

[0070] The preparation method of the infrared reflective polyolefin film provided in this embodiment comprises the following steps:

[0071] (1) Put the preparation raw materials of the composite layer, the core layer and the heat-sealing layer into a high-speed mixer and mix them evenly, and then carry out blending modification and granulation at 180° C. through a twin-screw extruder to obtain a composite Layer composite particles, core layer composite particles and heat-sealing layer composite particles;

[0...

Embodiment 2

[0075] This embodiment provides an infrared reflective polyolefin film. The infrared reflective polyolefin film includes a composite layer, a core layer and a heat-sealing layer laminated in sequence. The thickness of the polyolefin film is 60 μm, the thickness of the composite layer is 15 μm, and the core layer The thickness is 30 μm, and the thickness of the heat-sealing layer is 15 μm. The raw materials for each layer include the following ingredients:

[0076]

[0077]

[0078] The preparation method of the infrared reflective polyolefin film provided in this embodiment comprises the following steps:

[0079] (1) Put the preparation raw materials of the composite layer, the core layer and the heat-sealing layer into a high-speed mixer and mix them uniformly, and then carry out blending modification and granulation at 200° C. through a twin-screw extruder to obtain Composite layer compound particles, core layer compound particles and heat-sealing layer compound partic...

Embodiment 3

[0083] This embodiment provides an infrared reflective polyolefin film. The infrared reflective polyolefin film includes a composite layer, a core layer and a heat-sealing layer laminated in sequence. The thickness of the polyolefin film is 100 μm, the thickness of the composite layer is 25 μm, and the core layer The thickness is 50 μm, and the thickness of the heat-sealing layer is 25 μm. The raw materials for each layer include the following ingredients:

[0084]

[0085] The preparation method of the infrared reflective polyolefin film provided in this embodiment comprises the following steps:

[0086] (1) Put the raw materials for the preparation of the composite layer, core layer and heat-sealing layer into a high-speed mixer and mix them uniformly, and then carry out blending modification and granulation at 250° C. through a twin-screw extruder to obtain a composite layer Compound particles, core layer compound particles and heat-sealing layer compound particles;

[...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
melt flow indexaaaaaaaaaa
thicknessaaaaaaaaaa
Login to view more

Abstract

The invention provides an infrared reflection polyolefin film and a preparation method and application thereof. The infrared reflection polyolefin film comprises a composite layer, a core layer and aheat sealing layer which are stacked in sequence, wherein the composite layer is prepared from polyolefin resin and a processing aid, the core layer is prepared from the following raw materials: polyolefin resin, an infrared reflection pigment, an ultraviolet stabilizer and an antioxidant, the heat sealing layer is prepared from polyolefin resin and a processing aid. The infrared reflection polyolefin film has very high reflectivity in an infrared region, the reflectivity of a back plate made of the infrared reflection polyolefin film in a wave band of 780-1100 nm can reach 40-60%, and the infrared reflection polyolefin film has excellent ultraviolet resistance and water resistance.

Description

technical field [0001] The invention belongs to the technical field of packaging compound preparation raw materials, and in particular relates to an infrared reflective polyolefin film and its preparation method and application. Background technique [0002] The spectrum of solar light received on the earth can be divided into three parts according to different wavelengths, and the proportion of total energy occupied by each part is different. Ultraviolet (UV): 280nm~380nm, accounting for 5% of the total solar energy received by the earth %; Visible light region (VIS): 380-780nm, accounting for about 45% of the total solar energy received by the earth; Infrared region (IR): 780nm-2500nm, accounting for 50% of the total solar energy received by the earth, most of which are concentrated In 780nm-1100nm, that is, in the short-wave near-infrared range. Solar cells absorb sunlight in the wavelength range of 400-1100nm to generate current. With people's requirements for energy co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/32B32B27/18B32B27/08B32B33/00B32B37/00B32B38/00H01L31/049
CPCB32B27/327B32B27/32B32B27/18B32B27/08B32B33/00B32B37/00B32B38/0008H01L31/049B32B2307/416Y02E10/50
Inventor 朱业玲
Owner 上海紫江彩印包装有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap