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Radiation crosslinking polyolefin foam and preparation method thereof

A technology of radiation cross-linking and olefin foam, applied in the field of polymer material preparation, can solve the problems of tensile strength and tear strength and the lack of improvement in anti-ultraviolet aging, achieve the effect of small and dense efficiency, improve antibacterial, and not easy to aging

Inactive Publication Date: 2017-09-26
杭州临安鑫烽包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the hydrophilic group of the hydrophilic fullerene compound can form a hydrogen bond with water, which cuts off the connection between the pollutant and the polyolefin surface, and can also quickly leak the accumulated static charge to achieve the purpose of antistatic; but This technical solution basically has no effect on improving other properties of polyolefin foam, such as tensile strength and tear strength and anti-ultraviolet aging

Method used

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  • Radiation crosslinking polyolefin foam and preparation method thereof
  • Radiation crosslinking polyolefin foam and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] A radiation crosslinked polyolefin foam, the preparation steps are as follows:

[0030] Get 70 parts of raw material polyethylene (LLDPE),

[0031] 20 parts of nanoscale bamboo fiber powder,

[0032] Metallocene polyethylene (MPE) 15 parts,

[0033] Catalyst 20 parts,

[0034] 60 parts of foaming masterbatch,

[0035] Color masterbatch 5 parts.

[0036] Foaming masterbatch is made by mixing 20 parts of foaming agent, 30 parts of polyethylene (LLDPE) and 3 parts of antioxidants by mass ratio, and in the present embodiment, antioxidant adopts antioxidant 1010, and foaming agent is One or two of azodicarbonamide and sodium bicarbonate are mixed in any proportion; the catalyst consists of 3 parts of zinc borate, 3 parts of magnesium oxide, 3 parts of zinc stearate, and 40 parts of polyethylene (LLDPE) Made by mixing according to mass ratio.

[0037] Mix the above formula raw materials in proportion and add them to the hopper of the extruder, melt and extrude through t...

Embodiment 2

[0043] A radiation crosslinked polyolefin foam, the preparation steps are as follows:

[0044] Get 40 parts of raw material polyethylene (LLDPE),

[0045] 10 parts of nano-scale bamboo fiber powder,

[0046] Metallocene polyethylene (MPE) 10 parts,

[0047] Catalyst 10 parts,

[0048] 30 parts of foaming masterbatch,

[0049] Color masterbatch 1 part.

[0050] Foaming masterbatch is made by mixing 10 parts of foaming agent, 15 parts of polyethylene (LLDPE) and 1 part of antioxidant according to the mass ratio. In the present embodiment, antioxidant adopts antioxidant 1010, and foaming agent is One or two of azodicarbonamide and sodium bicarbonate are mixed in any proportion; the catalyst consists of 1 part of zinc borate, 1 part of magnesium oxide, 1 part of zinc stearate, and 25 parts of polyethylene (LLDPE) Made by mixing according to mass ratio.

[0051] Mix the above formula raw materials in proportion and add them to the hopper of the extruder, melt and extrude thro...

Embodiment 3

[0057] A radiation crosslinked polyolefin foam, the preparation steps are as follows:

[0058] Get 60 parts of raw material polyethylene (LLDPE),

[0059] 15 parts of nano-scale bamboo fiber powder,

[0060] Metallocene polyethylene (MPE) 10 parts,

[0061] Catalyst 15 parts,

[0062] 30 parts of foaming masterbatch,

[0063] 2 parts of color masterbatch.

[0064] The foam masterbatch is made by mixing 15 parts of foaming agent, 20 parts of polyethylene (LLDPE) and 2 parts of antioxidant (antioxidant 1010) according to the mass ratio. The foaming agent is azodicarbonamide, bicarbonate One or two kinds of sodium are mixed in any proportion; the catalyst is made by mixing 2 parts of zinc borate, 2 parts of magnesium oxide, 3 parts of zinc stearate and 30 parts of polyethylene (LLDPE) according to the mass ratio.

[0065] Mix the above formula raw materials in proportion and add them to the hopper of the extruder, melt and extrude through the extruder, and the melt extrusion...

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Abstract

The invention relates to the field of preparation of high molecular materials and in particular relates to radiation crosslinking polyolefin foam and a preparation method thereof. The radiation crosslinking polyolefin foam is prepared from a from formula raw material through mixing, melting, extruding, carrying out radiation crosslinking by an electron accelerator and heating and foaming, wherein the formula raw material is prepared from the following raw and auxiliary materials in parts by weight: 40 to 70 parts of polyethylene (LLDPE (Linear Low Density Polyethylene)), 10 to 20 parts of nano-grade bamboo fiber powder, 10 to 15 parts of metallocene polyethylene (MPE), 10 to 20 parts of a catalyst, 30 to 60 parts of foaming master batch and 0 to 5 parts of color master batch by mixing. According to the radiation crosslinking polyolefin foam provided by the invention, the nano-grade bamboo fiber powder and the metallocene polyethylene (MPE) are added into a formula, so that the antibacterial and anti-ultraviolet ageing properties of the radiation crosslinking polyolefin foam are improved and the radiation crosslinking polyolefin foam has the advantages of good resilience property and the like; meanwhile, the anti-puncture capability of the radiation crosslinking polyolefin foam is improved.

Description

technical field [0001] The invention relates to the field of polymer material preparation, in particular to a radiation crosslinked polyolefin foam and a preparation method thereof. Background technique [0002] Polyolefin foam has a wide range of applications and has good physical, chemical and mechanical properties. It has good toughness, flexibility and cushioning properties, and has electrical insulation and heat insulation properties. It is widely used in packaging, chemical industry, construction and other fields. . After decades of development, polyolefin foam has matured and diversified in terms of varieties and applications. With the continuous deepening of theoretical research and the advancement of foaming technology, foam has made great progress in terms of output and quality. [0003] Because polyolefin foam has good thermal insulation and energy buffer properties, it has been widely used in indoor thermal insulation, sports protective gear and other fields. ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L23/06C08L97/02C08K13/02C08K3/22C08K3/38C08K5/098C08J9/08C08J9/10B29C71/04
CPCC08L23/0815B29C71/04C08J9/08C08J9/103C08J2203/02C08J2203/04C08J2203/18C08J2323/08C08J2423/08C08K2003/222C08K2003/387C08L2201/08C08L2203/14C08L2205/025C08L2205/035C08L2205/16C08L2310/00C08L2312/06C08L23/06C08L97/02C08K13/02C08K3/22C08K3/38C08K5/098
Inventor 林正成
Owner 杭州临安鑫烽包装材料有限公司