摘要:
An electric coupling for railways contains a first and a second coupling part each comprising a support in which a plurality of linking parts are arranged for establishing an electric, pneumatic and/or hydraulic link from one coupling part to another coupling part. In addition, at least one high-frequency link is provided which is formed by an enclosed antenna in one coupling part and by an enclosed antenna in the other coupling part.
摘要:
The present invention relates to an antistatic or electrically conductive, thermoset polyurethane obtained by reacting A) an organic polyisocyanate; B) a compound comprising NCO-reactive groups; and C) optionally a catalyst, a blowing agent, an auxiliary, an additive, or mixtures thereof; and wherein, the polyurethane comprises a carbon nanotube present in an amount of from 0.1 to 15% by weight based on the total weight of the polyurethane.
摘要:
A method for operating a data receiver for audio and/or video data, wherein a planned and variable program title sequence having program titles is recorded, audio and/or video data relating to at least one program title are received via a data link and are buffered, and audio and/or video data of at least one program title are reproduced. The transmission resources of the data link for audio and/or video data to be transmitted and to be buffered are distributed over at least two program titles that have not yet been reproduced by the data receiver. Also disclosed are a data receiver associated with the method and a media reproduction system connected thereto, in particular in a vehicle.
摘要:
The invention relates to cellular and non-cellular polyurethane (PUR) elastomers made of NCO functional prepolymers based on polyisocyanates having portions of non-monomers, to a method for producing same, and to the use thereof.
摘要:
The present invention relates to NCO-terminated prepolymers that are stable to sedimentation, to a process for the production of these NCO-terminated prepolymers, and to the production of polyurethanes from these NCO-terminated polymers.
摘要:
The present invention relates to high-quality polyurethane and polyurethane urea elastomers which exhibit unique combinations of processing characteristics, oxidation resistance, mechanical and mechanical/dynamic properties in particularly demanding applications. These polyurethane elastomers and polyurethane urea elastomers are based on novel polycarbonate polyols.
摘要:
An excellent surface finishing material for indoor and outdoor facilities which ensures a given usable operating time and suppressed adhesion of the surface after curing is produced by reacting an A-side composed mainly of a urethane prepolymer having terminal isocyanate groups and a B-side composed mainly of a polyol containing a crosslinker and a filler. The prepolymer is the reaction product of a polyisocyanate composed of at least 50% by weight 2,4′-MI with a polyol. The filler contains an acid filler having a pH of less than 7.
摘要:
The present invention relates to NCO-terminated prepolymers that are stable to sedimentation, to a process for the production of these NCO-terminated prepolymers, and to the production of polyurethanes from these NCO-terminated polymers.
摘要:
The invention relates to a cable lug including a receiving section (12) for a cable and an attachment nut (16), wherein a defined contact area having a defined contact force exists between the cable lug (10) and a counter surface to be contacted. To this end, a contact section (14) is provided which is equipped with a bead which by means of the attachment nut (16) can be forced against a counter surface to be contacted.