Dsm IP Assets B.v.

Dsm N.v.

Markus J H Bulters

Marko Dorschu

Johannes Adrianus Van Eekelen

Adrianus G M Abel

Paulus A M Steeman

Gerrit Rekers

Philippe W P V Bleiman

Jozef M H Linsen

Alexander A M Stroeks

Johannes Hendrik Geesink

Petrus H M Stokman

Antonio Avides Moreira

Henricus A J Schepens

Nicolaas J J Aelmans

The invention relates to coated optical fibers comprising soft primary coatings and to such primary coatings for protecting glass optical fibers having a sufficient high resistance against cavitation. In particular, the primary coatings have a cavitation strength at which a tenth cavitation appears (&#x3c3;) of at least about 1.0 MPa as measured at a deformation rate of 0.20% minand of at least about 1.4 times their storage modulus at 23&#xb0; C. The coating preferably shows strain hardening in a relative Mooney plot, preferably has a strain energy release rate Go of about 20 J/mor more, and preferably has a low volumetric thermal expansion coefficient. The invention furthermore provides a method and apparatus for measuring the cavitation strength of a primary coating.

Coated optical fibers

The invention relates to a process for bringing about a permanent connection between at least two components, one of which components is obtained by moulding of a thermoplastic elastomeric material, characterized in that the component is subjected to a treatment comprising the following steps: Application of the process of the invention, in particular during step (d), produces a shrunk connection which provides a permanent seal under tension. The invention may be applied for many types of connections and seals, for example body plugs, shrink-on sleeving, sealing rings, etc. Especially suitable, particularly in automotive applications, are copolyether esters.

Connection with a component produced of a thermoplastic elastomer

The invention relates to a thermoplastic moulded part comprising at least a polyolefin or a polycondensation polymer and reinforcing fibers, characterized in that 1 to 60 wt. % of the moulded part consists of reinforcing fibers with a length of between 0.8 and 15 mm, at least a portion of which is present partly in the center and partly in the non-porous dish surface, and that the moulded part has a porosity of between 5 and 95 vol. %. The invention also relates to a process for producing such a moulded part.

Thermoplastic molded part, a process for the production thereof and applications thereof

Polymer composition containing a propylene block copolymer

The invention relates to a thermoplastic molded part comprising at least a polyolefin or a polycondensation polymer and reinforcing fibers, characterized in that 1 to 60 wt. % of the molded part consists of reinforcing fibers with a length of between 0.8 and 15 mm, at least a portion of which is present partly in the center and partly in the non-porous dish surface, and that the molded part has a porosity of between 5 and 95 vol. %. The invention also relates to a process for producing such a molded part.

Process for production of thermoplastic moulded part

Growing community of inventors

Sittard, Netherlands

Markus J H Bulters