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Outdoor blanket for daytime radiation refrigeration

A radiant refrigeration and blanket technology, applied in blankets, sheets, etc., can solve problems that do not involve structural design and construction

Active Publication Date: 2021-12-24
ZHEJIANG TRUELOVE CARPET IND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process described in the above method does not involve the structural design of functionalized composite fibers, let alone the structural design and construction of outdoor blankets for daytime radiation cooling

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
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0037] An outdoor blanket for daytime radiation cooling, the blanket uses acrylic / polyester composite fiber with high infrared emission function as pile yarn, silver nanowire / nano-scale porous polyethylene composite fiber as bottom yarn, and is drawn on a double-needle bed It is woven on a warp knitting machine; the acrylic / polyester composite fiber with high infrared emission function is a skin-core structure, wherein polyester is used as the core layer, and acrylic fiber with infrared emission function is used as the cortex, and the mass percentage of the cortex is 70-80% %, the mass percentage of the core layer is 20-30%; the acrylic / polyester composite fiber with high infrared emission function is used after post-treatment, and the post-treatment is: first carry out air plasma etching treatment, and then alkali reduction After volume treatment, wash with water until neutral and dry. The specific process of the air plasma etching treatment is as follows: the acrylic / polyest...

Embodiment 1

[0048] An outdoor blanket for daytime radiation cooling, using acrylic / polyester composite fiber with high infrared emission function as fleece yarn, silver nanowire / nano-scale porous polyethylene composite fiber as bottom yarn on double-needle bed Raschel warp knitting Weaving on the machine; the acrylic / polyester composite fiber is a sheath-core composite fiber, wherein the core layer is polyester, and the cortex is acrylic with infrared emission function; the cortex mass percentage of the acrylic / polyester composite fiber is 70%, The mass percentage of the core layer is 30%;

[0049] The acrylic fiber with infrared high emission function is prepared by the following method:

[0050] (1) Raw material ratio: each raw material is calculated by weight, 100 parts of polyacrylonitrile, infrared high-emitting inorganic particles (SiO 2 , commercially available) 8 parts, NaSCN solution (0.1mol / L) 4 parts, surface treatment agent (polyacrylamide, commercially available) 2 parts;

...

Embodiment 2

[0059] An outdoor blanket for daytime radiation cooling, using acrylic / polyester composite fiber with high infrared emission function as fleece yarn, silver nanowire / nano-scale porous polyethylene composite fiber as bottom yarn on double-needle bed Raschel warp knitting Weaving on the machine; the acrylic / polyester composite fiber is a sheath-core composite fiber, wherein the core layer is polyester, and the cortex is acrylic with infrared emission function; the cortex mass percentage of the acrylic / polyester composite fiber is 75%, The mass percentage of the core layer is 25%;

[0060] The acrylic fiber with infrared high emission function is prepared by the following method:

[0061] (1) Raw material ratio: each raw material is calculated by weight, 100 parts of polyacrylonitrile, infrared high-emitting inorganic particles (ZnO and ZrO 2 Commercially available) 8 parts, NaSCN solution (0.1mol / L) 5 parts, surface treatment agent (polyacrylamide commercially available) 3 par...

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
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Abstract

The invention discloses an outdoor blanket for daytime radiation refrigeration, which is woven on a double-needle bar Raschel warp knitting machine by taking acrylic fiber / polyester composite fibers with an infrared high emission function as wool yarns and silver nanowire / nanoscale porous polyethylene composite fibers as bottom yarns. The acrylic fiber / polyester composite fiber with the infrared high emission function is of a skin-core structure, polyester serves as a core layer, and acrylic fibers with the infrared emission function serve as a skin layer. The blanket has excellent solar spectrum high reflectivity and high infrared emissivity in an atmospheric window (8-13 microns), the temperature of the woven blanket is lower than the environment temperature, and then the radiation refrigeration effect under sunlight irradiation is achieved. The blanket not only obtains the excellent performance, but also has multiple performances such as softness, air permeability, moisture resistance, antibiosis, ultraviolet resistance and static electricity resistance.

Description

technical field [0001] The invention relates to the technical field of blanket production, in particular to an outdoor blanket for daytime radiation cooling. Background technique [0002] Global warming is a phenomenon related to nature. Due to the continuous accumulation of the greenhouse effect, the energy absorbed and emitted by the earth-atmosphere system is unbalanced, and the energy is continuously accumulated in the earth-atmosphere system, which leads to an increase in temperature and global warming. The global warming continues. Since 1981 to 1990, the average temperature of the whole earth has risen by 0.48°C compared to before. It is predicted that the global temperature will rise by about 1.4-5.8°C by 2100. The temperature performance is most obvious in summer, and the temperature in coastal areas is generally above 37°C, which makes people affected by high temperature radiation when playing outdoors such as at the seaside. However, blankets have developed rapid...

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
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Application Information

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IPC IPC(8): A47G9/02
CPCA47G9/0223
Inventor 厉巽巽李家炜陈玉霜吴明贤毛青山戚栋明邱先周
Owner ZHEJIANG TRUELOVE CARPET IND SCI & TECH
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