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Antibacterial heat-sealing material and its application in easy-tear aluminum foil material

An aluminum foil and polypropylene technology, applied in the field of packaging materials, can solve problems such as solvent residues and affect product quality, and achieve the effects of ensuring hygienic conditions, reducing adhesion, killing and inhibiting bacterial growth.

Inactive Publication Date: 2018-04-13
杭州齐元新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At the same time, the inner layer of existing aluminum foil materials mostly adopts a coating process or a dry compounding process, which easily causes solvent residues and ultimately affects product quality. In order to further overcome the hidden dangers of solvent residues caused by coating and dry compounding processes, the production of The process adopts the extrusion composite process

Method used

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  • Antibacterial heat-sealing material and its application in easy-tear aluminum foil material
  • Antibacterial heat-sealing material and its application in easy-tear aluminum foil material
  • Antibacterial heat-sealing material and its application in easy-tear aluminum foil material

Examples

Experimental program
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Effect test

Embodiment 1

[0039] A heat-sealing material, comprising a mixture of maleic anhydride grafted polypropylene, acrylic modified polypropylene, polypropylene, monoglyceride and nano-silver; 40 parts of propylene, 8 parts of acrylic modified polypropylene, 10 parts of polypropylene, 0.5 part of monoglyceride and 0.001 part of nano-silver; the thickness of the heat-sealing material is 20 μm, the longitudinal tensile strength is 46Mpa, and the transverse tensile strength It is 38Mpa, the nominal strain of longitudinal fracture is 389%, the nominal strain of transverse fracture is 476%; the antibacterial rate is 99.6%.

Embodiment 2-5

[0041] For the heat-sealing material as described in Example 1, different proportions are carried out to each component to obtain different embodiments and its performance is detected to obtain the following table:

[0042]

Embodiment 6

[0044] A heat-sealing material, comprising two layers, the upper layer is 50 parts of maleic anhydride grafted polypropylene, and the lower layer is formed by mixing acrylic modified polypropylene, polypropylene, monoglyceride and nano-silver; the heat-sealing material The parts by weight are 40 parts of maleic anhydride grafted polypropylene, 8 parts of acrylic modified polypropylene, 10 parts of polypropylene, 0.5 part of monoglyceride and 0.001 part of nano silver; the thickness of the heat-sealing material is 158 μm, and the thickness of the upper layer The thickness of the lower layer is 52 μm, and the thickness of the lower layer is 106 μm. , the longitudinal tensile strength is 43Mpa, the transverse tensile strength is 35Mpa, the nominal strain at longitudinal fracture is 379%, the nominal strain at transverse fracture is 466%; the antibacterial rate is 99.6%

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Abstract

The invention provides heat sealing materials. The components of the heat sealing materials comprise maleic anhydride grafted polypropylene, acrylic acid modified polypropylene, polypropylene, polyethylene, monoglyceride and nano-silver. The invention further provides an easy-to-tear antibacterial aluminum foil material comprising the heat sealing materials and capable of being applied to heat sealing and a preparation method of the aluminum foil material. The two heat sealing materials both have antibacterial and bacteriostatic functions and are endowed with effective antibacterial and bacteriostatic effects while having heat-sealing and easy-to-tear functions, multiple easy-to-tear, antibacterial and bacteriostatic effects are realized when the heat sealing materials are applied to the aluminum foil material, and hygienic safety in a use process is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of packaging materials, and in particular relates to a heat-sealing material with antibacterial and antibacterial effects and its application in heat-sealing easy-tear aluminum foil materials. Background technique [0002] Heat-sealable and easy-to-tear aluminum foil materials can be widely used in the packaging of solid products such as milk powder, chicken essence, coffee, rice noodles, condiments, cakes, potato chips, nuts, medicines, and cosmetics such as creams. There is no follow-up sterilization and disinfection measures, so the hygienic condition of the packaging itself has become a very important part of the hygienic quality of the final product, and the heat-sealable and easy-to-tear materials commonly used at present lack their own antibacterial properties. Once it is contaminated by bacteria during production, transportation, storage, use, etc., this material will become a source of pollution for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/32B32B27/30B32B27/08B32B27/18B32B15/085B32B33/00B32B37/10B32B38/00B32B37/08B29C47/00B41F17/00
CPCB29C48/08B32B15/085B32B27/08B32B27/18B32B27/30B32B27/32B32B33/00B32B37/08B32B37/10B32B38/0008B32B38/0036B32B2307/7145C08K2201/011C08L23/26C08L33/00C08L51/06C08L2205/03C08L23/12C08K5/103C08K2003/0806C08L83/04
Inventor 冯慧
Owner 杭州齐元新材料有限公司
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