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Composition for biofilm and biofilm using same

A technology of biomass film and composition, applied in the field of biomass for food by-products, capable of solving problems such as low water resistance, oil resistance and gas barrier performance, impossibility to perform continuous work, and reduced processability

Active Publication Date: 2016-09-07
SHENZHEN STRAW ALLIANCE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Meanwhile, in the case of using biomass plastics and films obtained from powders of primary agricultural wastes (for example, wheat bran and soybean hulls) generated from food processing, processability will be significant due to the generation of moisture and gas during processing to lower
In particular, the generation of carbides makes it impossible to perform continuous work
Furthermore, such biomass plastics and films would have lower water repellency, oil resistance and gas barrier properties compared to traditional plastic films, so their overall performance must be improved

Method used

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  • Composition for biofilm and biofilm using same
  • Composition for biofilm and biofilm using same
  • Composition for biofilm and biofilm using same

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0038] Preparation of mixture containing green agricultural waste 1

[0039] Wheat bran is dried to a moisture content of 5%, firstly pulverized by a ball mill, and passed through a 150-200 mesh sieve, and air jet mill (Micro-Jet Mill System, obtained from HANKOOK PULVERIZING MACHINERY Co. , LTD.) Further pulverize the obtained powder. 100 parts by weight of prepared wheat bran powder, 15 parts by weight of calcium carbonate (which contains 10% of calcium carbonate with a size of 100 nm based on 100% of calcium carbonate), 1 part by weight of calcium stearate and 5 parts by weight of TEG was kneaded at a high speed for 15 minutes while gradually heating from 80°C to 110°C, thereby preparing filled porous green agricultural waste (biomass).

example 2

[0040] Preparation of mixture containing green agricultural waste 2

[0041] Porous green biomass was prepared in the same manner as in Example 1 except that 5 parts by weight of carrageenan was further added.

[0042] Preparation of Compositions for Biomass Films

[0043]100 parts by weight of LLDPE, 120 parts by weight of the filled porous green biomass of Example 1, 5 parts by weight of glycidyl methacrylate and 5 parts by weight of calcium stearate were mixed at 80°C to 110°C using a mixer. Mix on low for 25 minutes (Example 3). Additionally, a composition (Example 4) was prepared using a mixture comprising the red algae extract of Example 2.

[0044]

[0045] The compositions for biomass films of Examples 3 and 4 were extruded to prepare biomass films. as in figure 2 As seen in , the bran is dispersed in the membrane.

example 7

[0047] The resin mixture of Example 3 was further mixed with 10 parts by weight of SEBS to prepare a composition, which was then fabricated into a biomass film.

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Abstract

The present invention relates to a composition for a biomass film using food by-products including wheat bran or soybean hulls, and to a biomass film using the composition, and more particularly, the present invention relates to such Biomass film, which is improved in processability, has high water repellency, oil repellency and pinhole resistance to be suitable for use in shopping bags, exhibits by using carbon-neutral type of plant food by-products Carbon reduction performance, and improved in degradation performance based on natural modification. The composition comprises 100 parts by weight of polyolefin resin, 50-150 parts by weight of powdery porous green biomass, 5-20 parts by weight of inorganic filler, 0.5-3 parts by weight of surface coating agent and 1-10 parts by weight A liquid low molecular weight compound in parts by weight, and the powdery porous green biomass includes one or more selected from the group consisting of wheat bran and soybean hulls.

Description

technical field [0001] The present invention relates to a composition for a biomass film using food by-products including wheat bran or soybean hulls, and to a biomass film using the composition, and more particularly, the present invention relates to such Biomass film, which is improved in processability, has high water repellency, oil repellency and pinhole resistance to be suitable for use in shopping bags, exhibits by using carbon-neutral type of plant food by-products Carbon reduction performance, and improved in degradation performance based on natural modification. Background technique [0002] Examples of plastic films mainly used in packaging include polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), nylon, polyethylene terephthalate (PET), and the like. Among them, PVC generates harmful substances such as dioxin based on incineration, and polypropylene, nylon, PET, etc. have fairly stable molecular structures and thus exhibit good mechanical properti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/08C08L97/02C08K3/26
CPCC08L23/0815C08L97/02C08L2201/06C08L2203/16C08L2205/03C08K13/02C08K2003/265C08K5/098C08K5/1515C08L53/025C08K3/26C08L23/06C08L89/00C08L99/00
Inventor 尹赞锡韩贞九刘永善
Owner SHENZHEN STRAW ALLIANCE TECH CO LTD
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