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High-tensile-strength environmentally-friendly plastic masterbatch polymer carrier and preparation method thereof

A high tensile strength, environmentally friendly plastic technology, applied in the field of polymer materials, can solve the problems of low mechanical strength, fast degradation, difficult processing, etc., to achieve the effect of excellent mechanical properties

Inactive Publication Date: 2017-06-30
李春霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, PBS, PLA, PPC, PCL, etc. are used alone as degradable materials, and all have defects in various aspects. For example, PLA materials have strong rigidity and high mechanical tensile strength, but their elongation at break is low and difficult to process, so they are suitable for sheet materials. , alloys and fibers, etc., and degrade too quickly in the later stage; PPC material has good processability, but its mechanical strength is not high, and its glass transition temperature is low; PCL material has a low melting point and is not suitable for making plastic alone; Two molecules, and the cost is higher

Method used

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  • High-tensile-strength environmentally-friendly plastic masterbatch polymer carrier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add a certain proportion of 105mol ethylene glycol, 50mol terephthalic acid, and 30mol adipic acid into the reaction kettle, naturally raise the temperature to 80°C-90°C, add 0.3‰ nickel acetate and dibutyltin compound, and gradually raise the temperature to 180°C Esterification reaction, until the reaction is complete, the acid value at this time is 11.9mg / g; then add 0.6‰guanidinoacetic acid and 1‰1010 and 626 compound, step up the temperature to 240°C, and carry out the vacuum polycondensation reaction for 2.5 hours, that is Polymer PEAT can be obtained;

[0026] In this embodiment, the nickel acetate and dibutyltin complex is firstly dispersed evenly with toluene, then sodium hydroxide is added as a catalyst, and then ethylenediaminetetraacetic acid solution is slowly added to carry out a high-temperature reflux reaction for 5 hours. The EDTA chelate of metal nickel is synthesized, so the surface area of ​​the catalyst can be effectively increased, thereby increasin...

Embodiment 2

[0035] Add a certain proportion of 135mol ethylene glycol, 50mol terephthalic acid, and 50mol adipic acid into the reaction kettle, and naturally raise the temperature to 80°C-90°C, add 0.4‰ zinc acetate and stannous octoate complex, and gradually raise the temperature to 180°C Carry out esterification reaction at ℃ until the reaction is complete. At this time, the acid value is 11.7mg / g; then add 0.4‰guanidinoacetic acid and 0.8‰1010 and 626 compound, step up the temperature to 240℃, and carry out vacuum condensation polymerization for 2.5 hours , the polymer PEAT can be obtained;

[0036] Accurately weigh PEAT60.25%, PLA5%, shellac resin HY4%, PPC10%, rosin resin TF-100 1%, starch 4%, multilayer graphene 15%, GMA 0.2%, 1098 0.1%, NPPN-631 0.1%, tetraethoxysilane 0.25%, triazine 0.1%, PEAT, shellac resin, rosin resin, multi-layer graphene and compatibilizer are mixed and reacted first, and then all substances are mixed at high speed in a high-mix mixer Mix well and set aside...

Embodiment 3

[0040] Add a certain proportion of 155mol ethylene glycol, 40mol terephthalic acid, and 80mol adipic acid to the reaction kettle, and naturally raise the temperature to 80°C-90°C, add 0.5‰ nickel acetate and stannous octoate complex, and gradually raise the temperature to 180°C Start the esterification reaction at ℃ until the reaction is complete, at this time the acid value is 11.7 mg / g; then add 0.6‰ guanidinoacetic acid and 2‰ 168 and 126 compound, step up the temperature to 245 ℃, and carry out the vacuum polycondensation reaction for 2.5 hours , the polymer PEAT can be obtained;

[0041] Accurately weigh PEAT75%, PLA5%, shellac resin HY3%, PPC8%, rosin resin TF-100 2%, starch 5%, multilayer graphene 0.8%, G-ADR 0.15%, 1010 0.2%, NPPN-631 0.15%, vinyl tris(β-methoxyethoxy)silane 0.42%, o-hydroxybenzophenone 0.3%, first mix PEAT, shellac resin, rosin resin, multi-layer graphene and compatibilizer , and then mix all the materials in a high-mix mixer at a high speed, and set...

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Abstract

The invention discloses a high-tensile-strength environmentally-friendly plastic masterbatch polymer carrier and a preparation method thereof, the method is as follows: firstly using terephthalic acid, adipic acid and ethylene glycol for synthesis of environmentally-friendly biodegradable material PEAT (poly terephthalic acid / ethylene glycol adipate) as a main component of the masterbatch polymer carrier, using a screw extruder for blending and extruding 40%-90% by weight of PEAT, 5%-25% by weight of PLA, 1%-5% by weight of malacolac HY, 2%-15% by weight of PPC, 0.3%-2% by weight of rosin resin TF-100, 0-10% by weight of starch, 0-15% by weight of multilayer graphene, 0.1%-2% by weight of a compatilizer, 0.05%-0.2% by weight of an antioxidant A, 0.05%-0.15% by weight of a chain extender, 0.1%-0.5% by weight of a coupling agent and 0.1%-0.3-% by weight of a light stabilizer to obtain the masterbatch polymer carrier. The masterbatch polymer carrier has the characteristics of high molecular weight and uniform distribution, and has higher flexural and tensile strength and other excellent mechanical properties, and the synthesized polymer and materials used in the extrusion process all have degradation property, and belong to environment-friendly materials free of pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to the synthesis of a color masterbatch polymer carrier, in particular to a high tensile strength environment-friendly plastic color masterbatch polymer carrier and a preparation method thereof. Background technique [0002] With the progress of society, people have higher requirements for plastics, so masterbatches are used more and more. However, most of the existing color masterbatches have defects such as low performance and incompatibility, and are basically non-degradable traditional plastics. The usage is increasing day by day, and the problem of environmental pollution is gradually becoming more and more obvious. Therefore, fully biodegradable materials have a certain degree of replaceability in replacing the existing traditional masterbatch carriers. With the country's advocacy of green environmental protection work and the proposal of various policies, it will beco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L67/04C08L93/02C08L69/00C08L93/04C08L3/02C08K13/04C08K7/00C08K3/04C08G63/183C08G63/85C08G63/82
CPCC08L67/02C08G63/183C08G63/826C08G63/85C08L2201/06C08L2205/035C08L2310/00C08L67/04C08L93/02C08L69/00C08L93/04C08L3/02C08K13/04C08K7/00C08K3/04
Inventor 李春霞
Owner 李春霞
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