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Material for preparing military box set and preparing method thereof

A military and box group technology, applied in the field of packaging products, can solve the problems of poor thermal insulation performance, easy deformation, easy cracking, etc., and achieve the effect of good sealing effect, no seams, and uniform heating

Inactive Publication Date: 2016-06-01
SHANGHAI KANGJIEBAO NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relationship between the strength, thermal deformation and surface properties of high-density polyethylene, the existing domestic packaging boxes are easy to crack, easy to deform, and have poor thermal insulation performance during transportation and use, which cannot meet the needs of domestic military use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038]Raw materials used: HDPE (Qilu Petrochemical PER444L) 83 parts by weight, LLDPE (Mobil 8446) 8 parts by weight, LDPE (Yanshan Petrochemical 1c7a) 7 parts by weight, EVA (Mobil 15028) 1.5 parts by weight, nano calcium carbonate (100nm) (Jiangxi Huaming Nano Calcium Carbonate Co., Ltd. SPTL-1) 0.5 parts by weight.

[0039] 1. Preparation of materials for preparing military boxes: firstly grind the high-density polyethylene, the linear low-density polyethylene, the low-density polyethylene and the ethylene-vinyl acetate copolymer into powder respectively, Milling process conditions: temperature: 10°C, rotating speed: 150r / min, particle size: 40 mesh; then mix with the nano-calcium carbonate evenly; heat, melt and stir; finally cool to room temperature and refine into a powder that is easy to shape dense spherical shape.

[0040] 2. Preparation of military equipment boxes: first heat and melt the materials used to prepare military boxes, then injection molding, and then use...

Embodiment 2

[0042] Raw materials used: HDPE (Qilu Petrochemical PER444L) 87 parts by weight, LLDPE (Mobil 8446) 4 parts by weight, LDPE (Yanshan Petrochemical 1c7a) 6 parts by weight, EVA (Mobil 15028) 2 parts by weight, nano calcium carbonate (80nm) (Jiangxi Huaming Nano Calcium Carbonate Co., Ltd. SPTL-1) 1 part by weight.

[0043] 1. Preparation of materials for preparing military boxes: firstly grind the high-density polyethylene, the linear low-density polyethylene, the low-density polyethylene and the ethylene-vinyl acetate copolymer into powder respectively, Milling process conditions: temperature: 5°C, rotating speed: 200r / min, particle size: 40 mesh; then mix with the nano-calcium carbonate evenly; heat, melt and stir; finally cool to room temperature and refine into a powder that is easy to shape dense spherical shape.

[0044] 2. Preparation of the airborne box: first heat and melt the materials used to prepare the military box group, then injection molding, and then use polyu...

Embodiment 3

[0046] Raw materials used: HDPE (Qilu Petrochemical PER444L) 85 parts by weight, LLDPE (Mobil 8446) 7 parts by weight, LDPE (Yanshan Petrochemical 1c7a) 4 parts by weight, EVA (Mobil 15028) 3 parts by weight, nano calcium carbonate (50nm) (Jiangxi Huaming Nano Calcium Carbonate Co., Ltd. SPTL-1) 1 part by weight.

[0047] 1. Preparation of materials for preparing military boxes: firstly grind the high-density polyethylene, the linear low-density polyethylene, the low-density polyethylene and the ethylene-vinyl acetate copolymer into powder respectively, Milling process conditions: temperature: 3°C, rotating speed: 100r / min, particle size: 50 mesh; then mix with the nano-calcium carbonate evenly; heat, melt and stir; finally cool to room temperature and refine into a powder that is easy to shape dense spherical shape.

[0048] 2. Preparation of the medicine box: first, heat and melt the materials used to prepare the military box set, then injection molding, and then use polyur...

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Abstract

The invention provides a material for preparing a military box set. The material is obtained through modification of high density polyethylene by means of linear low density polyethylene, low density polyethylene, ethylene-ethylic acid ethylene copolymer and nano calcium carbonate. Preferably, 83-87 parts by weight of high density polyethylene, 4-8 parts by weight of linear low density polyethylene, 4-8 parts by weight of low density polyethylene, 1-3 parts by weight of ethylene-ethylic acid ethylene copolymer and 0.5-1 part by weight of nano calcium carbonate are adopted. The grain size of nano calcium carbonate is smaller than or equal to 100 nm. Specifically, the material is prepared in the way that mixing is conducted before grinding or grinding is conducted before mixing, then heating melting is conducted, and finally temperature is reduced to indoor temperature. A relevant preparing process and application are further provided. The material is unique and ingenious in design, easy to prepare and operate, higher in shearing strength with polyurethane, firm and durable and high in heat insulation performance, and a military box made of the material is firm and durable, high in heat insulation performance and suitable for large-scale application and popularization.

Description

technical field [0001] The invention relates to the technical field of packaging products, in particular to the technical field of military case sets, in particular to a material for preparing military case sets and a preparation method thereof. Background technique [0002] "Soldiers and horses are not moved, food and grass go first." This ancient saying is a summary of the experience of previous wars. It reflects the special status and role of logistics support in military operations. Xi Jinping, chairman of the Central Military Commission, also proposed "logistics Guarantees should be in line with international standards". As military products have higher and higher requirements for packaging products in the process of transportation and storage, traditional wooden boxes and iron boxes and other packaging products have factors such as poor mobility, inconvenient loading and unloading, not environmentally friendly, poor sturdiness and durability, and poor thermal insulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08K3/26
CPCC08L23/06C08L2205/02C08L2205/025C08L2205/035C08L2207/062C08L2207/066C08L23/0815C08L23/0853C08K2003/265
Inventor 刘鸣一
Owner SHANGHAI KANGJIEBAO NEW MATERIAL
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