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Biodegradable nanometer filling function master batch and preparation method and application thereof

A nano-filling and functional masterbatch technology, which is applied in the field of biodegradable plastic masterbatch manufacturing, can solve the problem of surface treatment effect of inorganic materials, improper control of particle size and particle size distribution width, and its physical properties cannot meet the requirements of product use. Improve the processing performance and processing environment, improve the mechanical properties, and increase the compatibility of biodegradable materials and other problems

Inactive Publication Date: 2016-07-27
JIANGXI PINGXIANG XUANPIN PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, biodegradable materials made by directly blending traditional filling materials with biodegradable plastics: On the one hand, because traditional filling materials contain a part of traditional plastics, this biodegradable material is only an apparent "disintegrating plastic" "It is not a biodegradable plastic in the true sense; on the other hand, with the addition of inorganic materials, the final biodegradable The physical properties of the material are far from meeting the requirements of the product
In recent years, more and more researches have begun to use biodegradable polyester as the carrier of filling materials. Although the prepared filling materials belong to the category of biodegradable plastics, due to the addition of inorganic or organic fillers, the resulting biodegradable The performance of degraded materials is greatly reduced
Patent CN200910106696.5 discloses a fully biodegradable material filling masterbatch, its components are fully biodegradable material base carrier, filler, and auxiliary agent, its advantages are large filling amount, outstanding cost advantage, and effectively improves the processing environment, but its disadvantage is that after it is added to biodegradable plastics, the mechanical properties of the material decrease significantly

Method used

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  • Biodegradable nanometer filling function master batch and preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Dry PLA in a blast oven at 70°C for 24 hours, and dry barium sulfate nanoparticles (particle size D50=50nm) in a blast oven at 110°C for 12 hours;

[0036] (2) Take 20 parts of PLA, 78 parts of nano barium sulfate, 0.3 parts of paraffin wax, 0.5 parts of polyethylene wax, 0.5 parts of stearic acid, 0.3 parts of zinc stearate, 0.3 parts of titanate coupling agent, four [β-( 0.1 part of 3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester was mixed in an internal mixer for 15-20 minutes;

[0037] (3) Pour the raw materials after mixing and plasticizing into a single-screw extruder while they are hot, and extrude, and cut the die surface eagerly to obtain a biodegradable nano-filled functional masterbatch. The temperature zones of the single-screw extruder are set to 140°C in the first zone, 145°C in the second zone, 150°C in the third zone, 155°C in the fourth zone, and 160°C in the fifth zone. L / D is 8:1;

[0038] (4) Blend the prepared masterbatch ...

Embodiment 2

[0045] (1) Dry PBS in a blast oven at 80°C for 24 hours, and dry nano-calcium carbonate (particle size D50=30nm) in a blast oven at 110°C for 12 hours;

[0046] (2) Take 25 parts of PBS, 71 parts of nano calcium carbonate, 0.8 parts of paraffin wax, 1.2 parts of polyethylene wax, 0.8 parts of stearic acid, 0.6 parts of zinc stearate, 0.5 parts of aluminate coupling agent, four [β-( 0.1 part of 3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, banburying in an internal mixer for 15~20min;

[0047] (3) Pour the raw materials after mixing and plasticizing into a single-screw extruder while they are hot, and extrude, and cut the die surface eagerly to obtain a biodegradable nano-filled functional masterbatch. Each temperature zone of the single-screw extruder is set to 160°C in the first zone, 165°C in the second zone, 170°C in the third zone, 175°C in the fourth zone, and 180°C in the fifth zone. L / D is 8:1;

[0048] (4) Blend the prepared masterbatch with P...

Embodiment 3

[0055] (1) Dry PHA in a blast oven at 60°C for 24 hours, and dry nano-talc powder (particle size D50=80nm) in a blast oven at 110°C for 12 hours;

[0056] (2) Take 25 parts of PHA, 70 parts of nano-talc powder, 0.8 parts of white oil, 1.6 parts of polyethylene wax, 1.0 parts of stearic acid, 0.8 parts of zinc stearate, 0.7 parts of aluminate coupling agent, 2,6- 0.1 part of di-tert-butyl-4-methylphenol, banburying in an internal mixer for 15~20min;

[0057] (3) Pour the raw materials after mixing and plasticizing into a single-screw extruder while they are hot, and extrude, and cut the die surface eagerly to obtain a biodegradable nano-filled functional masterbatch. The temperature zones of the single-screw extruder are set to the first zone 130°C, the second zone 135°C, the third zone 140°C, the fourth zone 145°C, and the fifth zone 150°C, the screw speed is 30~50rpm, and the screw length-to-diameter ratio L / D is 8:1;

[0058] (4) Blend the prepared masterbatch with PHA, wh...

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Abstract

The invention relates to a biodegradable nanometer filling function master batch and a preparation method and application thereof, and belongs to the technical field of biodegradable plastic master batch preparation.The master batch is prepared from, by weight, 10-50 parts of biodegradable polyester, 40-80 parts of nanometer filler, 1-5 parts of dispersing agent, 1-5 parts of lubricant, 0.5-2.5 parts of coupling agent and 0.1-0.5 part of antioxidant.Mixing and plasticizing are conducted through an internal mixer, and extruding and die surface hot cutting are conducted through a single-screw extruder to obtain the biodegradable nanometer filling function master batch.The master batch is prepared with biodegradable polyester as the carrier and nanoscale powder as the filler and with the aid of various additives; on one hand, the compatibility and dispersity of the master batch and biodegradable plastic are improved, and the processing performance and processing environment of the material are improved; on the other hand, by introducing nanometer filler and adding the master batch to biodegradable plastic, the mechanical property of biodegradable plastic products can be improved, production cost can be reduced, and environment pollution is reduced.

Description

technical field [0001] The invention relates to a biodegradable nano-filled functional masterbatch, a preparation method and application thereof, and belongs to the technical field of biodegradable plastic masterbatch manufacture. Background technique [0002] Nowadays, with the continuous expansion of the application field of plastic products, its usage is also increasing year by year. The wide use of plastic products has brought great convenience to people's life. Traditional general-purpose plastics such as polyethylene (PE), polypropylene (PP) and polystyrene (PS) are difficult to degrade due to their long-term and stable existence in nature, causing serious pollution to the human environment. With the continuous improvement of people's living standards and environmental protection awareness, people's awareness of environmental protection and rational use of non-renewable resources is also increasing. Therefore, the development and application of environmentally friendly...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L67/02C08K13/06C08K9/10C08K3/30C08K3/26C08K3/34C08K5/09C08K5/098B29C47/92B29C48/92
CPCC08L67/04B29C48/92B29C2948/9259B29C2948/92704C08K2201/003C08K2201/011C08L67/02C08L2201/06C08L2205/03C08L91/06C08L23/06C08K13/06C08K9/10C08K2003/3045C08K5/09C08K5/098C08K2003/265C08K3/34
Inventor 李成刘志阳翁云宣王鹏
Owner JIANGXI PINGXIANG XUANPIN PLASTIC PROD CO LTD
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