摘要:
The present invention relates to a stable mixture comprising surface-modified particles obtained by reacting metal or semi-metal oxide particles with at least one compound selected from silicon-containing compounds which carry one, two or three alkoxy radicals, and at least one solvent, at least one surface-active substance or a mixture thereof, to the use of these particles in systems in which they are brought into contact with at least one solvent, the mass ratio of solvent to modified particle being greater than 500, and to the use of these particles in agglomeration-deagglomeration cycles.
摘要:
The present invention relates to a thermoplastic molding compound containing (A) particles made of at least one oxidatively cross-linked vegetable oil as a core, which is enveloped by at least one thermoplastic, as component A, (B), at least one further thermoplastic, which is compatible with the at least one thermoplastic which is provided in the shell of component A, as component B, (C) at least one resin, which is compatible with the at least one thermoplastic, which is provided in the shell of component A, as component C, (D) at least one filler as component D, and (E) optionally further additives as component E, and a method for producing this thermoplastic molding compound.
摘要:
The invention relates to thermoplastic molding compounds containing A) 55 to 98 wt.-% of at least one vinyl aromatic copolymer that is impact-modified with a particulate graft rubber, B) 1 to 44 wt.-% of a flame-retardant containing B1) an expandable graphite, B2) a flame-retardant compound containing a phosphor and B3) a polymer containing fluorine, C) 1 to 20 wt.-% of a non-particulate rubber containing polar groups, and D) 0 to 40 wt.-% of other additives, wherein each of the weight percents is determined relative to the total weight of components A) through D) and add up to a total of 100 wt.-%, and a method for producing said molding compounds, use of said molding compounds for the production of molded bodies, fibers, foams and films, as well as the molded bodies, fibers, foams and films obtained thereby.
摘要:
The present invention relates to a process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material. The process according to the present invention comprises the steps (A) to (D) which are described herein.
摘要:
The present invention relates to an apparatus for separating magnetic particles (1, 2, 10) from a dispersion comprising these magnetic particles (1, 2, 10) and non-magnetic particles (9), comprising at least one loop-like canal forming 90 to 350° of a circular arc through which the dispersion flows, at least one magnet (13) that is movable alongside the canal and which forces the magnetic particles (1, 2, 10) into at least one first outlet (5), and at least one second outlet (6) through which the non-magnetic particles (9) are forced, wherein the apparatus further comprises at least one first means (11) for treating the dispersion or a part of the dispersion with a hydrophilic liquid and at least one second means (12) for treating the dispersion or a part of the dispersion with a hydrophobic liquid. In addition, the present invention relates to the use of the apparatus according to the present invention for separating magnetic particles (1, 2, 10) from a dispersion, comprising these magnetic particles (1, 2, 10) and non-magnetic particles (9).
摘要:
The invention relates to a flame-retardant elastic block polymer comprising polymerized units of at least one vinylaromatic monomer and at least one diene monomer with at least one flame retardant B) which comprises a phosphorus-containing compound, especially a phosphorus-containing melamine compound, to a process for preparation and to the use for production of shaped bodies.
摘要:
A composition comprising at least one copolymer A composed of at least one alkylated styrene, acrylnitrile and optionally at least one further monomer, at least one block copolymer B composed of at least one block that comprises at least one vinyl-aromatic monomer and forms a hard phase and at least one block that comprises at least one vinyl-aromatic monomer and at least one diene and forms a soft phase, and at least one further copolymer C, and optionally a polymer D, wherein the copolymer C is at least one triblock copolymer composed of a first block composed of at least one vinyl-aromatic monomer, a second block composed of at least one diene, and a third block composed of at least one methylmethacrylate monomer, or comprising at least 50% by weight methylmethacrylate, and the polymer D is at least one styrene polymer made of crystal clear and impact-resistant polystyrene. The present invention further relates to a method for producing the composition according to the invention, to the use of the compositions according to the invention for producing molded parts, films, fibers or foams, to molded parts, films, fibers or foams comprising the composition according to the invention, and to the use of the composition according to the invention as packaging for electronic components, such as integrated circuits (microchips) (“electronic packing”), for applications in apparatus engineering, in household goods, in bathroom items, such as toothbrush tumblers, containers for cosmetics and the like, as housings, as pipes, as profiles, for medical items or device, and in toys.
摘要:
The invention relates to a stable mixture containing surface-modified particles which are obtained by reacting metal or semimetal oxide particles with at least one compound selected from silicon-containing compounds which have at least one metal oxy radical and optionally further alkoxy and/or hydroxy radical(s), and at least one solvent, at least one surface-active substance or a mixture thereof, to a method for producing same, to the use of said particles in systems in which they are brought into contact with at least one solvent, wherein the mass ratio of solvent to modified particles is greater than 500, and to the use of said particles in agglomeration/deagglomeration cycles.