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Método para reducir la fricción de polivinilideno (PVDF) y revestimientos basados en PVDF hasta un 70%

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOSI20151201001
Publicado:
15/12/2015
Caducidad:
15/12/2016
Resumen:
Un instituto de investigación eslovaco ha desarrollado un método que ofrece morfologías de película delgada y tridimensionales de nanocomposites de fluoropolímero y reduce el coeficiente de fricción de fluoruro de polivinilideno (PVDF) y revestimientos basados en PVDF hasta un 70%. El fluoruro de polivinilideno es un fluoropolímero termoplástico no reactivo con una estabilidad térmica de hasta 175 ºC y se utiliza en numerosas aplicaciones que dependen de su fase de cristalización, como tuberías, aislantes de cables, aglutinantes para electrodos de baterías de litio, membranas en biomedicina, componentes para las industrias farmacéutica y alimentaria, como materiales piezoeléctricos y piroeléctricos, etc. Se buscan fabricantes de revestimientos de PVDF y autolubricantes con el fin de establecer acuerdos de licencia o cooperación técnica.



Details

Tittle:
A method reducing friction of polyvinylidene fluoride (PVDF) and PVDF- based coatings by 70 %
Summary:
A Slovenian research institute has developed a method providing three-dimensional and thin film morphologies of fluoro-polymer nanocomposites which reduce the friction coefficient of polyvinylidene fluoride (PVDF) or PVDF-based coatings by 70%.
The researchers are looking for license and/or technical cooperation agreements with producers of PVDF as well as producers of self-lubricative coatings.
Description:
Polyvinylidene fluoride (PVDF) is a highly non-reactive thermoplastic fluoro-polymer with a high thermal stability of up to 175 °C. It is usable in a wide range of applications that depend on its particular phase of crystallization, such as piping products, insulators for premium wires, binder material for composite electrodes for lithium ion batteries, membranes in biomedicine, components for the pharmaceutical and food processing industry, as piezoelectric and pyroelectric materials, etc. In many of the above-mentioned applications friction coefficient of the material is a critical parameter. PVDF has a relatively high PVDF-PVDF coefficient of friction in the range of 0.25-0.45, which also limits its application as friction-intensive or self-lubricative coatings or as protective barrier coating.
High friction of PVDF can be solved by a method for adjusting the friction coefficient of PVDF and PVDF-based polymers by incorporation of molybdenum disulfide (MoS2). Standard use of MoS2 platelets as additive for friction reduction and recent discoveries of new morphologies of MoS2 have opened the route to prepare new PVDF-based nanocomposite films containing MoS2 nanotubes or exfoliated MoS2 nanotubes for self-lubricative and protective barrier coatings.

This solution can reduce the friction coefficient up to 70 %.

The researchers are among the leading scientists in their respective departments, and regularly publish in high-impact scientific journals; they have experience in working in small-scale laboratory as well as in industrial settings. They are experts in the field of self-lubricative coatings, protective barrier coatings, nanomaterials and tribological testing.

The researchers seek license agreements and/or technical cooperation agreements with producers of PVDF and/or producers of self-lubricative coatings. With this technology the producer can reduce friction coefficient of PVDF or PVDF based coatings by up to 70 %.

Advantages and Innovations:
· Thin film with controllable morphology containing inorganic nanomaterials as low-friction additive.
· Significantly reduced friction, up to 70 %.
· Improved wear behaviour between metal counterparts.
Stage of Development:
Prototype available for demonstration
IPs:
Patent(s) applied for but not yet granted

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: industry
- Specific area of activity of the partner: Producers of PVDF and PVDF based coatings as well as producers of self-lubricative coatings

- Task to be performed of the partner sought:
License agreement: Implementation of the technology to existing or emerging products.
Technical cooperation agreement: Cooperation in the industrial sized scale-up of the process and cooperation during the development of the pilot phase.

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English

Keywords

Technology Keywords:
02007005 Composite materials
02007003 Materiales y polvos cerámicos
05005 Micro y nanotecnología
02007024 Nanomaterials
02002002 Recubrimientos