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Degradable material, application thereof for preparing hollow container and preparation method and device of hollow container

A degradable material, hollow technology, applied in the field of degradable materials, can solve the problems of acid resistance, alkali resistance, corrosion resistance, anti-pollution performance is not good enough, unsuitable for corrosion resistance hollow containers, polyolefin resin is not easy to degrade, etc., to achieve strong promotion Non-toxicity, anti-pollution use requirements, easy processing and molding effects

Active Publication Date: 2016-07-06
SUZHOU HANFENG NEW MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing plastic products such as hollow containers are mostly made of polyolefin resins (such as polyvinyl chloride, polyethylene, polypropylene, etc.) that are easy to process and have a high thermal decomposition temperature. Polyolefin resin is fast, with the most varieties and the largest output, but polyolefin resin is not easy to degrade. For hollow containers such as pesticides, medicines, cosmetics, etc., it is difficult to dispose of them after they are discarded. Landfilling will cause environmental pollution because they cannot be degraded, and incineration will generate a lot of waste. Dioxine, and toxic gas, for this reason, many researchers are committed to the research and preparation of some biodegradable resins, biodegradable resins are mainly made of natural polymers such as starch or agricultural by-products through microbial fermentation or synthesis of biodegradable Polymers, such as thermoplastic starch resins, aliphatic polyesters, polylactic acid, starch / polyvinyl alcohol, etc., all belong to this type of resins. Due to the excellent performance of biodegradable resins, they can be completely decomposed by environmental microorganisms after being discarded. It is inorganicized and becomes an integral part of the carbon cycle in nature. Therefore, with the development of society, biodegradable resin products will inevitably replace the difficult-to-degrade petroleum-based resin products we currently use
However, in the preparation process of traditional biodegradable resins, most of the starches (such as cornstarch) of some staple crops are used as the main raw materials, and the starch of staple crops is used to prepare biodegradable resins, which has the problem of competing with others for food. , most of the biodegradable resins are not good enough in acid resistance, alkali resistance, corrosion resistance, and anti-pollution performance, and are not suitable for the preparation of some hollow containers that must have corrosion resistance

Method used

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  • Degradable material, application thereof for preparing hollow container and preparation method and device of hollow container
  • Degradable material, application thereof for preparing hollow container and preparation method and device of hollow container
  • Degradable material, application thereof for preparing hollow container and preparation method and device of hollow container

Examples

Experimental program
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Effect test

Embodiment 1

[0026] A method for preparing a compostable biodegradable hollow container, which comprises the following process steps:

[0027] (1) Material configuration: In terms of weight ratio, 100 parts of tapioca modified starch, 120 parts of polybutylene succinate, 30 parts of polybutylene terephthalate-adipate, 15 parts of glycerin, silane Put 0.1 part of joint agent, 5 parts of ethylene ethyl acrylate, and 5 parts of glyceryl monostearate into a high-low speed mixer and mix until uniform. The mixing temperature is 120°C, the mixing time is 30 minutes, and the stirring speed is 800 rpm ;

[0028] (2) Granulation: Send the materials configured in step (1) into the 75-type large-length-diameter ratio and high-vacuum twin-screw extruder Kneading, plasticizing, cross-linking and high-vacuum removal of water in the screw extrusion granulator to make special pellets for hollow molding. The granulation process conditions of the twin-screw extrusion granulator are: one set of 140°C , two ...

Embodiment 2

[0031] A method for preparing a compostable biodegradable hollow container, which comprises the following process steps:

[0032] (1) Material configuration: in terms of weight ratio, 90 parts of modified potato starch, 150 parts of polybutylene succinate-co-butylene terephthalate, 20 parts of polylactic acid, 0.1 part of xylitol, Put 2 parts of aluminate coupling agent, 4 parts of ethylene acrylic acid copolymer, and 3 parts of monoglyceride succinate into a high-low speed mixer and mix until uniform. The mixing temperature is 120°C, the mixing time is 30 minutes, and the stirring speed is The speed is 1200 rpm to fully react the coupling agent with starch and various resins.

[0033] (2) Granulation: Send the materials configured in step (1) into the 75-type large-length-diameter ratio and high-vacuum twin-screw extruder The kneading, plasticizing, cross-linking and high-vacuum removal of water in the screw extrusion granulator are extruded to make hollow-molded special pel...

Embodiment 3

[0036] A method for preparing a compostable biodegradable hollow container, which comprises the following process steps:

[0037] (1) Material configuration: In terms of weight ratio, 100 parts of sweet potato modified starch, 120 parts of polybutylene succinate, 80 parts of polycaprolactone, 16 parts of sorbitol, 0.2 parts of titanate coupling agent, Put 8 parts of ethylene-vinyl acetate and 6 parts of glyceryl laurate into a high-low speed mixer and mix until uniform. The mixing temperature is 118°C, the mixing time is 33 minutes, and the stirring speed is 1000 rpm;

[0038] (2) Granulation: Send the materials configured in step (1) into the 75-type large-length-diameter ratio and high-vacuum twin-screw extruder Kneading, plasticizing, cross-linking and high-vacuum removal of water in the screw extrusion granulator to make special pellets for hollow molding. The granulation process conditions of the twin-screw extrusion granulator are: one set of 140°C , two groups at 145°C...

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Abstract

The invention relates to a degradable material, application thereof for preparing a hollow container and a preparation method and device of the hollow container.The degradable material is prepared from, by weight, 90-100 parts of plant modified starch, 100-200 parts of biodegradable resin, 0.1-20 parts of a gelatinization agent, 0.1-2 parts of a coupling agent, 0.2-10 parts of a compatilizer, 0.2-8 parts of a dispersing agent.The degradable material is used for preparing the hollow container capable of achieving compost biodegradation.The preparation method of the hollow container capable of achieving compost biodegradation comprises the following technological steps of material preparation, granulation and hollow molding.The degradable material has the advantages of being good in degradable performance, high in corrosion resistance, easy to machine and mold, and high in thermal decomposition temperature; the preparation device of the hollow container capable of achieving compost biodegradation is simple in structure.

Description

technical field [0001] The invention relates to a degradable material and its application in preparing a hollow container, as well as a preparation method and a preparation device of the hollow container. Background technique [0002] Existing plastic products such as hollow containers are mostly made of polyolefin resins (such as polyvinyl chloride, polyethylene, polypropylene, etc.) that are easy to process and have a high thermal decomposition temperature. Polyolefin resin is fast, with the most varieties and the largest output, but polyolefin resin is not easy to degrade. For hollow containers such as pesticides, medicines, cosmetics, etc., it is difficult to dispose of them after they are discarded. Landfilling will cause environmental pollution because they cannot be degraded, and incineration will generate a lot of waste. Dioxine, and toxic gas, for this reason, many researchers are committed to the research and preparation of some biodegradable resins, biodegradable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L3/06C08L23/08C08L67/04C08K5/053C08K5/103C08J7/12B29B9/06B29C49/04
CPCB29B9/06B29C49/04C08J7/126C08J2303/06C08J2367/02C08J2367/04C08J2423/08C08L3/06C08L67/02C08L67/04C08L2201/06C08L2201/08C08L2205/025C08L2205/035C08L23/0869C08K5/053C08K5/103C08L23/0853
Inventor 余润保黄祥秋刘小文吕光春
Owner SUZHOU HANFENG NEW MATERIAL
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