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: DEUTSCH-NIEDERLÄNDISCHE ELASTISCHE BEZIEHUNGEN   with Dinner

Deventer

7418DA Deventerweg 121


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Seminar schedule

Time
12.30

Author(s)
Lunch en kennismaking

Subject

Time
13.30

Author(s)
Ontvangst en registratie

Subject

Time
13.45

Author(s)
Hans van der Meer

Subject
Update on Helvoet's high performance rubber applications.

Update on Helvoet's high performance rubber applications.   

Helvoet Rubber & Plastic Technologies, established in 1939, is internationally active in custom-made development and manufacturing of rubber and plastic components and assemblies. Helvoet's competitive advantage lies in developing and manufacturing complete functional modules for a number of product groups in various application areas. For assembled products, the application of innovative rubber, plastic and assembly technology plays a prominent role.

 

In this presentation we will focus on our rubber competences and will give an update on recent projects & developments. This will include our recent investments in our locations in Hellevoetsluis & Poland. Furthermore we will present our recent development in VAMAC, FVMQ, FKM & LSR for automotive & non-automotive application.

Time
14.20

Author(s)
Dr. Peter Bailey

Subject
Dynamic mechanical testing ; specimen self heating control an efficient way of dynamic mechanical lifetime prediction of elastomers ?

Dynamic mechanical testing ; specimen self heating control an efficient way of dynamic mechanical lifetime prediction of elastomers ?   

Composites and various other materials are prone to significant self-heating effects during cyclic loading, but their performance also shows strong temperature dependence. This has traditionally led to fatigue testing at very low frequencies to minimize specimen heating and the resultant degradation in mechanical properties.

A test run for a single S/N dataset could mean weeks of machine time.

 

Specimen Self-Heating Control can significantly reduce this, while providing previously unachievable confidence in test temperature. This patented system achieves and maintains a specified test temperature by varying test frequency in response to a specimen

temperature input.

Time
14.55

Author(s)
Koffiepauze

Subject

Time
15.30

Author(s)
Dr. Ir. Kuno Dijkhuis

Subject
ERT: Development and analysis for the rubber industry

Time
16.05

Author(s)
Akansha Rathi

Subject
Effect of aromatic oil on phase dynamics of S-SBR/BR blends for passenger car tire treads

Effect of aromatic oil on phase dynamics of S-SBR/BR blends for passenger car tire treads   

Even though S-SBR/BR blends are commonly used for passenger car tire treads, little is known about the phase dynamics arising from the local morphological heterogeneities. The present study aims at developing the understanding of: (i) the influence of aromatic oil on the dynamics of the individual phases in S-SBR/BR (50/50) blend, and (ii) the preference of  the aromatic oil in either phase.

S-SBR/BR (50/50) blends with varying concentrations of aromatic oil (0/10/20 phr) were studied. Conventional techniques for the determination of Tg (glass transition temperature orα-relaxation process), such as Differential Scanning Calorimetry (DSC) and Dynamic Mechanical Analysis (DMA) were of limited use for fulfilling the goal of the present study. Therefore, Broadband Dielectric Spectroscopy (BDS), a more sensitive technique to study the α-relaxation process was employed. It was possible to de-convolute the dielectric loss (ε") peak of the vulcanized blends into two super-positioned relaxation processes, α' and α (in increasing order of frequency), which were attributed to the S-SBR and BR phases, respectively. The distinct effective Tg’s (Tgeff) of the S-SBR and BR phases varied with the amount of aromatic oil added. Tgeff of the BR phase was close to the Tg of virgin BR, whereas Tgeff of the S-SBR phase was close to the blend average Tg. This is in accordance with the model for phase dynamics of miscible blends by Lodge and McLeish (2000). With this a deeper insight into the dynamic heterogeneity of traditional S-SBR/BR (50/50) blends is obtained.

Time
16.45

Author(s)
ERT BV

Subject
Bezichtiging laboratoria

Time
19.00

Author(s)
Diner

Subject

 Seminar schedule

MEMBER

full status: € 25

student: € 25

AIO/OIO: € 25

retired: € 25

BPRI member: € 25

NON-MEMBER

full status: € 50

student: € 25

AIO/OIO: € 25

retired: € 50

BPRI member: € 50

DINNER: € 35

Refund of seminar fee is only possible if cancellation has been received 3 working days before the seminar date.