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Thermoplastic high-molecular composition interpenetrated network structure and preparation method thereof

A technology of thermoplastic polymer and interpenetrating network structure, which is applied in the production of bulk chemicals, etc.

Active Publication Date: 2016-11-09
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this method, it is necessary to adopt a special and complicated process method, for example, the matrix resin monomer and the modified resin monomer are polymerized at the same time, or one of these monomers is preliminarily polymerized into a certain extent, followed by polymerization of the two components or chemical reactions using functional groups
[0005] Specifically, in the current art, no known technical method has been reported for the formation of thermoplastic interpenetrating network structures by a convenient technique using a relatively small amount of modified resin without relying on polymerization or chemical reactions between the components

Method used

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  • Thermoplastic high-molecular composition interpenetrated network structure and preparation method thereof
  • Thermoplastic high-molecular composition interpenetrated network structure and preparation method thereof

Examples

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Effect test

Embodiment 1

[0037] The thermoplastic polymer composition is composed of 65 parts by mass of polypropylene (Basel polypropylene RS1684, crystallization melting temperature 161°C) and 35 parts by mass of thermoplastic polyurethane resin (Bayer TPU3060A, Germany), and the thermoplastic polymer composition is mixed in a small amount in Hacker Blending in a rheometer (HaakeMiniLab, Thermo Electron, Germany), blending for 40 minutes, controlling the screw speed at 50r / min, controlling the temperature at 190°C, and then extruding the sample to form a 0.5mm sheet.

[0038] The thin slice of thermoplastic polymer composition is put into high-pressure mold, and the temperature of controlling high-pressure mold is 155 ℃, and the thin slice of thermoplastic polymer composition accounts for 1 / 20 of the volume of high-pressure mold, and the pressure of the carbon dioxide injected in the high-pressure mold is 24MPa, Constant temperature and pressure for 60 minutes, lower the temperature to room temperatu...

Embodiment 2

[0042] The thermoplastic polymer composition is composed of 65 parts by mass of polypropylene (Basel polypropylene RS1684, crystal melting temperature 161 ° C), 35 parts by mass of thermoplastic polyurethane resin (Bayer TPU3060A, Germany), 2 parts by mass of tributyltin chloride and 1 mass part Parts of triphenylgermanium chloride, the thermoplastic polymer composition was blended in a Haake micro-mixing rheometer (HaakeMiniLab, ThermoElectron, Germany), and blended for 40 minutes, the screw speed was controlled at 50r / min, and the temperature was controlled at 190 ℃, and then extrude the sample and press it into a 0.5mm sheet.

[0043] The thin slice of thermoplastic polymer composition is put into high-pressure mold, and the temperature of controlling high-pressure mold is 155 ℃, and the thin slice of thermoplastic polymer composition accounts for 1 / 20 of the volume of high-pressure mold, and the pressure of the carbon dioxide injected in the high-pressure mold is 24MPa, Co...

Embodiment 3

[0047] The thermoplastic polymer composition consists of 65 parts by mass of polypropylene (Basel polypropylene RS1684, crystal melting temperature 161 ° C), 35 parts by mass of ethylene-propylene terpolymer (Dow Chemical Company, 4725P) and 3 parts by mass of tributyl Composition of base tin chloride. The thermoplastic polymer composition was blended in a Haake micro-mixing rheometer (HaakeMiniLab, Thermo Electron, Germany), blended for 40 minutes, controlled the screw speed at 50r / min, and controlled the temperature at 190°C, and then extruded the sample to press into 0.5mm thin slices.

[0048] The thin slice of thermoplastic polymer composition is put into high-pressure mold, and the temperature of controlling high-pressure mold is 158 ℃, and the thin slice of thermoplastic polymer composition accounts for 1 / 20 of the volume of high-pressure mold, and the pressure of the carbon dioxide injected in the high-pressure mold is 28MPa, Constant temperature and pressure for 100 ...

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Abstract

The invention relates to a thermoplastic high-molecular composition interpenetrated network structure and a preparation method thereof. More particularly, the invention relates to the thermoplastic high-molecular composition interpenetrated network structure obtained by adopting a supercritical process to process a thermoplastic high-molecular composition.

Description

technical field [0001] The invention relates to an interpenetrating network structure of a thermoplastic polymer composition and a preparation method thereof. More specifically, the present invention relates to an interpenetrating network structure of thermoplastic polymer composition obtained by using supercritical technology to process thermoplastic polymer composition. Background technique [0002] A modified polymer composition is usually obtained by adding other materials to the matrix resin. Representative examples of other materials may include thermoplastic elastomers (hereinafter referred to as "modified resins") for improving impact resistance and chemical resistance different from the base resin, fillers and additives for reinforcing materials, and the like. As for the mixing method, conventionally developed various techniques such as compatibilization, dynamic vulcanization, and reactive extrusion, etc. can be used. [0003] In the common method of adding modif...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L75/04C08L23/16C08K5/57C08K5/56
CPCC08L23/12C08L2205/02C08L75/04C08K5/57C08K5/56C08L23/16Y02P20/54
Inventor 方雨薇包锦标张利
Owner NINGBO UNIV
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