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High-gloss refrigerator liner

A refrigerator liner and high-gloss technology, applied in the field of high-gloss refrigerator liners, can solve the problems of high equipment cost, labor, high energy consumption, poor performance, etc., and achieve the effect of low production cost and low equipment input cost

Active Publication Date: 2014-01-15
HISENSE RONSHEN GUANGDONG REFRIGERATOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Production by this co-extrusion method requires two extruders and a co-extrusion die head, the equipment cost is high, and the labor and energy consumption are high, and high-gloss HIPS special resin is required. The market for this type of resin is The number of brands on the market is very limited (such as Styron HIPS1180, Chimei Chemical HIPS888G), monopolized by very few international petrochemical giants, and the price is high
If the high-gloss HIPS resin (such as Styron HIPS1180) is extruded in a single layer, the chemical resistance of the HIPS1180 sheet (rigid polyurethane foaming agent, such as cyclopentane, HCFC-141b) often performs poorly and causes the liner to crack. open

Method used

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  • High-gloss refrigerator liner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] In proportion (100 parts of HIPS resin, 6 parts of external lubricant, 10 parts of bright masterbatch, 2 parts of dimethyl silicone oil, 1 part of maleic anhydride, 7 parts of color masterbatch), the bright masterbatch is polyethylene glycol (40%) / C 8 h 18 (60%) mixture, the described external lubricant is polyethylene wax (60%) / stearic acid (40%) mixture, weighs various materials, then puts into the dry mixer, and the set speed is 70 rpm, mixing for 15 minutes, stop mixing, put the mixed material into the barrel of the extrusion production line; set the temperature of each section of the barrel: 165°C for the first zone, 175°C for the second zone, and 175°C for the third zone Zone 180°C, zone 4 190°C, zone 5 200°C, head 225°C, after the temperature reaches the set temperature, start the extruder, the screw speed is 17 rpm, and start to extrude the sheet, the temperature of the upper roller is 55°C , the temperature of the middle roll is 60°C, the temperature of...

Embodiment 2

[0034] According to the proportion (90 parts of HIPS resin, 10 parts of external lubricant, 4 parts of bright masterbatch, 3 parts of dimethyl silicone oil, 0.5 parts of maleic anhydride, 15 parts of color masterbatch), the bright masterbatch is polyethylene glycol ( 40%) / C 12 h 26 (60%) mixture, described external lubricant is polyethylene wax (60%) / ethylene bisstearamide (40%) mixture, weighs various materials, then puts into dry blender, Set the rotation speed at 70 rpm, mix for 15 minutes, stop mixing, and put the mixed material into the barrel of the extruded plate production line; set the temperature of each section of the barrel as follows: Zone 1 165°C, Zone 2 175°C, 180°C in the third zone, 190°C in the fourth zone, 200°C in the fifth zone, and 225°C at the head. After the temperature reaches the set temperature, start the extruder, and the screw speed is 17 rpm, and start to extrude the sheet. The temperature of the roll is 55°C, the temperature of the middle r...

Embodiment 3

[0036] According to the proportion (110 parts of HIPS resin, 5 parts of external lubricant, 15 parts of bright masterbatch, 1 part of dimethyl silicone oil, 3 parts of maleic anhydride, 4 parts of color masterbatch), the bright masterbatch is polyethylene glycol ( 40%) / C 12 h 26 (40%) / Cu 2 (OH) 2 CO 3 (20%) mixture, described external lubricant is stearic acid (50%) / ethylenebisstearamide (50%) mixture, weighs various materials, then puts into dry blender, Set the rotation speed at 70 rpm, mix for 15 minutes, stop mixing, and put the mixed material into the barrel of the extruded plate production line; set the temperature of each section of the barrel as follows: Zone 1 165°C, Zone 2 175°C, 180°C in the third zone, 190°C in the fourth zone, 200°C in the fifth zone, and 225°C at the head. After the temperature reaches the set temperature, start the extruder, and the screw speed is 17 rpm, and start to extrude the sheet. The temperature of the roll is 55°C, the temperatu...

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PUM

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Abstract

The invention provides a high-gloss refrigerator liner. The high-gloss refrigerator liner is made from the following raw materials: HIPS resin, an external lubricant, bright master batch, simethicone, maleic anhydride and color masterbatch. The invention further provides a preparation method of the refrigerator liner according to the requirements. According to the refrigerator liner formula, double-layer extrusion is not required, and only simple single-layer extrusion is required to obtain the high-gloss refrigerator liner meeting the requirements. The high-gloss refrigerator liner ensures that the production is simple and convenient, and the production cost is low.

Description

technical field [0001] The invention relates to a refrigerator liner, more specifically, to a high-gloss type refrigerator liner. Background technique [0002] Although the refrigerator liner is covered by the door body, it is a part frequently touched by users. The quality of its appearance usually affects the user's desire to buy, so it is an important interior structural part. Divided by gloss, refrigerator liners can usually be divided into two types: matte type and high gloss type. Generally speaking, for the domestic sales market, high-gloss liners usually win the favor of users and have better sales. At present, the high-gloss liner box board is usually produced by double-layer co-extrusion, that is, one layer of matte HIPS board (thicker, as the main body), one layer of high-gloss HIPS board (thinner thickness) , respectively extruded through two extruders at a certain angle, and merged at the co-extrusion die to form a double-layer composite board. Pr...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L83/04C08L71/08C08K5/1539B29C47/92B29C59/10B29C48/92
CPCB29C48/0011B29C48/07B29C48/92B29C2948/92704B29C2948/92876B29C2948/92895
Inventor 李岩游飞越
Owner HISENSE RONSHEN GUANGDONG REFRIGERATOR
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