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A heat-insulating packaging bag and its preparation method and application

A packaging bag, hot-pressing temperature technology, applied in the field of heat-insulating packaging bags and their preparation, can solve problems such as poor heat insulation performance, explosion-proof performance and cushioning performance, scratches or damage to packaging bag products, and packaging bag damage, etc., to achieve Improve barrier performance and tear strength, excellent infrared absorption function, excellent heat insulation effect

Active Publication Date: 2021-12-10
HANGZHOU KENENG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing tear-resistant packaging bag film has good tear resistance, but poor heat insulation performance, explosion-proof performance and cushioning performance. When packaging flammable and explosive products such as batteries, if the external temperature of the packaging bag is high , it is easy to cause the battery to explode and the packaging bag to be damaged; if the outer surface of the packaging bag is hit by an external force during the handling process, the products in the packaging bag are prone to scratches or damage. The packaging bag is a problem that needs to be solved

Method used

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  • A heat-insulating packaging bag and its preparation method and application
  • A heat-insulating packaging bag and its preparation method and application
  • A heat-insulating packaging bag and its preparation method and application

Examples

Experimental program
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Effect test

preparation example 1-3

[0044] In Preparation Example 1-3, the polyurethane adhesive is selected from the polyurethane adhesive sold by Jining Huakai Resin Co., Ltd. with the brand name HK-7051, and the acrylate emulsion adhesive is selected from Changsha Huihua Adhesive Technology Co., Ltd. The model of the acrylic emulsion adhesive is HH-610BN9. The silica powder is selected from the silica powder with the product number 003 sold by Lingshou County Jiahao Mineral Powder Factory. The sepiolite powder is selected from Lingshou County Kaiqi Mineral Products Processing Factory The sold sepiolite powder is 13, nano-ATO is selected from the nano-ATO of the model ATO sold by Zhengzhou Xinhao Chemical Products Co., Ltd., and phenyl salicylate is selected from the product number 006 sold by Zhengzhou Huidong Chemical Products Co., Ltd. of phenyl salicylate.

[0045] Preparation Example 1-3: According to the raw material ratio in Table 1, the following components were mixed and stirred to make a transparent ...

preparation example 2

[0048] Preparation Example 2: According to the raw material ratio in Table 1, the following components were mixed and stirred to make a transparent heat-insulating coating: 0.2kg sepiolite powder, 0.4kg silica powder, 0.4kg organic binder, 1.3kg nano-titanium dioxide , 0.5kg phenyl salicylate, 0.4kg 2,4-dihydroxybenzophenone, 1.3kg nano-ATO, the average particle diameter of sepiolite powder and silica powder is 40 μm, and the organic adhesive is acrylate emulsion glue adhesive.

preparation example 3

[0049] Preparation Example 3: According to the raw material ratio in Table 1, the following components were mixed and stirred to make a transparent heat-insulating coating: 0.3kg sepiolite powder, 0.5kg silica powder, 0.5kg organic binder, 1.4kg nano-titanium dioxide , 0.6kg of phenyl salicylate, 0.6kg of 2,4-dihydroxybenzophenone, 1.4kg of nano-ATO, sepiolite powder and silica powder with a particle size of 50 μm, and the organic adhesive is an acrylate emulsion adhesive .

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Abstract

The invention discloses a heat-insulating packaging bag, a preparation method and application thereof. The heat-insulating packaging bag consists of an aluminum foil composite outer layer, an inorganic fiber layer and a composite inner layer from the outside to the inside; the aluminum foil composite outer layer includes an aluminum foil layer and a polymer film close to the inorganic fiber layer; The adhesive layer is located on the heat insulation strengthening layer and protective layer on the side away from the organic fiber layer in turn; the polymer film is one of PP film, PET film and nylon; the adhesive layer is PE film or PP film , the heat-resistant reinforcing layer is VMPET film or aluminum foil, and the protective layer is PE film; its preparation method is: S1, aluminum foil composite outer layer production; S2, composite inner layer production; S3, cutting and compounding; S4, bag making. The heat-insulating packaging bag of the invention has the advantages of good heat-insulation performance, explosion-proof, strong tear-resistance performance, excellent cushioning performance and barrier performance.

Description

technical field [0001] The invention relates to the technical field of packaging materials, more specifically, it relates to a heat-insulating packaging bag and its preparation method and application. Background technique [0002] Packaging bags refer to bags used to pack various supplies, making the goods convenient to transport and store during the production and distribution process. Widely used in daily life and industrial production, in the process of use, different packaging bags are often formulated according to the actual needs of the products that need to be packaged. [0003] In the prior art, a Chinese invention patent with application number CN201610031428.1 discloses a tear-resistant packaging bag film and its preparation method and packaging bag. The tear-resistant packaging bag film is made of polyamide co-extruded film It is compounded with a toughened polyethylene film through an adhesive; the polyamide co-extrusion film is formed by casting and co-extrusio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/20B32B15/08B32B5/02B32B27/12B32B27/00B32B7/12B32B27/32B32B33/00B32B37/06B32B37/10B32B37/12C09D175/04C09D7/61C09D7/48
CPCB32B15/20B32B15/08B32B5/02B32B27/12B32B27/00B32B7/12B32B27/32B32B33/00B32B37/06B32B37/10B32B37/12C09D175/04C09D7/61C09D7/48C08K2201/011C08K2003/2241C08K3/34C08K3/22C08K5/132C08K5/1345
Inventor 胡广全张家鸣
Owner HANGZHOU KENENG NEW MATERIAL TECH CO LTD
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