scholarly journals DEVELOPMENT OF POLYMERIC COMPOSITE MATERIALS BASED ON THERMOPLASTIC ELASTOMERS

2016 ◽  
Vol 1 (12) ◽  
pp. 195-199
Author(s):  
Прут ◽  
Eduard Prut ◽  
Черкашина ◽  
Natalya Cherkashina ◽  
Ястребинская ◽  
...  
Keyword(s):  
Composite Materials ◽  
Polymer Composite ◽  
Filler Content ◽  
Sol Gel ◽  
Polymeric Composite ◽  
Thermoplastic Elastomers ◽  
Polymer Composite Materials ◽  
Dynamic Vulcanization ◽  
The Matrix ◽  
Materials Used

This paper presents data on the development of polymer composite materials based on thermoplastic elastomers. As starting materials for the synthesis of the matrix components were selected as follows: isotactic polypropylene and ternary ethylene-propylene-diene elastomer (EPDM). Diene component in EPDM are ethylidene norbornene composition in an amount of 4-5%. Dynamic vulcanization was carried out using the elastomer element sulfur. The filler polymer composite materials used silica gel with dimethyl polysiloxane. Synthesis was carried out by filling the sol-gel technology. The filler content in the composite varied from 10 to 80% by weight. Mixing of filler and the matrix was performed in a laboratory twin-rotor mixer, type "Brabender". It is found that the maximum possible filler content of the matrix used was 80%. With the introduction of more filler mixing of the components it has been difficult. When the filler content from 10 to 70% of parameters such as tensile strength, flexural strength and modulus of longitudinal elasticity increasing and administered at higher filler and 80 wt%. markedly reduced. Thus, it can be concluded that the content of filler in the composite is 70%. Further research should be directed to the evaluation of the radiation resistance of the developed composite materials.

STRUCTURING OF CURED POLYMERIC COMPOSITE MATERIALS IN A MICROWAVE ELECTROMAGNETIC FIELD

2021 ◽  
pp. 3-9
Author(s):  
I. V. Zlobina
Keyword(s):  
Electromagnetic Field ◽  
Composite Materials ◽  
Polymer Composite ◽  
Contact Interaction ◽  
Energy Systems ◽  
Polymeric Composite ◽  
Strength Characteristics ◽  
Polymer Composite Materials ◽  
Reinforcing Fibers ◽  
The Matrix

Based on studies of the microstructure of the matrix of cured polymer composite materials and the area of its contact interaction with reinforcing fibers, the hypothesis of its structuring in the microwave electromagnetic field with an increase in the contact interaction surfaces due to an increase in the number of agglomerates with small transverse dimensions and a decrease in porosity in the macro- and mesopore regions is substantiated. These effects can be used as a basis for increasing the strength characteristics and uniformity of their values after exposure to a microwave electromagnetic field. The results of this work can be used in the development of technologies for finishing hardening of products made of carbon and fiberglass for various transport and energy systems.

Thermoplastic Characteristics of Polymer Composite Materials Used for the Manufacture of Ship Systems Pipelines

2020 ◽  
Vol 869 ◽  
pp. 7-14
Author(s):  
Gia Viet Ngo
Keyword(s):  
Composite Materials ◽  
Polymer Composite ◽  
Raw Materials ◽  
Fire Hazard ◽  
Sheet Material ◽  
Polymer Composite Materials ◽  
Domestic Industry ◽  
Thermoplastic Matrix ◽  
Materials Used ◽  
Physical And Mechanical Characteristics

The article presents thermoplastic characteristics of polymer composite materials developed on domestic raw materials on a thermoplastic matrix-injection material of the VTP-7 brand based on polyaryl sulfones (polysulfone PSU) plastic and sheet material of the VKU-44 brand based on PSU and carbon unidirectional tape ELUR 0.08 PA. In the article, the author considered the modification method of thermoplastic polymers to impart functional properties and mechanisms of their action. It is shown that the developed materials have no analogues in the domestic industry. According to the level of physical and mechanical characteristics, fire-hazard properties and heat resistance, the developed polymer composite materials (PCM) fully meets the requirements for modern thermoplastic PCM, and is not inferior to foreign analogues.

Regulation of Mechanical Properties of Advanced PCM Products with the Aid of Catalysts

2020 ◽  
Vol 992 ◽  
pp. 415-420
Author(s):  
I.V. Zaychenko ◽  
V.V. Bazheryanu ◽  
A.G. Kim
Keyword(s):  
Mechanical Properties ◽  
Composite Materials ◽  
Temperature Gradient ◽  
Polymer Composite ◽  
Strength Properties ◽  
Polymer Composite Materials ◽  
Epoxy Binder ◽  
Curing Process ◽  
The Matrix

The article considers the problem of the effect of uneven curing caused by the temperature gradient across the thickness of the material on the anisotropy of the strength properties of polymer composite materials. The effect of catalysts on the curing of the epoxy binder EDT-69N, used for the manufacture of multilayer polymer composite materials, was studied. According to dielectric spectrometry, the accelerating effect of the selected compounds on the curing process of the EDT-69N epoxy binder during fiberglass molding has been proved. The possibility of controlling the curing process using catalysts to reduce the influence of the temperature gradient on the anisotropy of the strength properties of the matrix in the manufacture of polymer composite materials is shown.

scholarly journals RESEARCH OF STRUCTURAL CHANGES IN EXPLOSIVE PRESSING OF POLYMERIC COMPOSITE BLENDS

2020 ◽  
pp. 37-42
Author(s):  
N. Adamenko ◽  
G. Agafonova ◽  
A. Kazurov ◽  
D. Savin
Keyword(s):  
Composite Materials ◽  
Molybdenum Disulfide ◽  
Polymer Composite ◽  
Structural Changes ◽  
Polymeric Composite ◽  
Polymer Composite Materials ◽  
Hybrid Matrix ◽  
Antifriction Properties ◽  
Increased Strength ◽  
Explosive Pressing

The method of X-ray diffraction analysis was used to study polymer composite materials with a hybrid matrix in the form of blends of thermoplastic polymers of polytetrafluoroethylene PTFE with rigid high-temperature resistant polyarylate PA filled with molybdenum disulfide after explosive pressing with a pressure of 0.9-4.6 GPa. The studies were carried out with the aim of developing the technology of explosive pressing of polymer composite materials with a hybrid matrix, filled with molybdenum disulfide, with increased strength and antifriction properties.

scholarly journals Rheological properties of dispersed-filled polymer composite materials based on polyethylene containing glass microbeads

2021 ◽  
pp. 35-38
Author(s):  
Q. D. Pham ◽  
P. V. Surukov
Keyword(s):  
Composite Materials ◽  
Mathematical Models ◽  
Rheological Properties ◽  
Polymer Composite ◽  
High Density Polyethylene ◽  
Filler Content ◽  
High Density ◽  
Polymer Composite Materials ◽  
Flow Curves ◽  
Capillary Viscosimetry

This article presents the results of a study of the effect of the filler content on the rheological properties of polymer composite materials based on high density polyethylene containing glass microbeads. The flow curves of the compositions were obtained by the method of capillary viscosimetry. Simple mathematical models have been constructed that allow estimating the viscosity of the compositions’ melts based on a given filler content.

Sign in / Sign up

Export Citation Format

Share Document