摘要:
A product which contains acid magnesium pyrophosphate (magnesium dihydrogen diphosphate) and at least magnesium orthophosphate, producible by removal of water from an aqueous solution or suspension of a magnesium phosphate compound which has a molar ratio of Mg:P of 0.4-0.6:I, wherein the product has a loss on ignition of 7.5 to 13.5% and its method of preparation and its use in a leavening agent for bakery products.
摘要:
A moulding material for the production of highly flame resistant articles with a matrix of a thermoplastic and a particulate pigment dispersed therein is characterized in that the pigment is light-sensitive and changes colour under the influence of laser light and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with (i) at least one mixed salt with at least two different cations and/or with (ii) a mixture of salt type compounds which on heating can be transformed into at least one salt type compound with at least two different cations, as in (i); wherein in variations (i) and (ii), at least one of the cations is selected from a group (A) of elements Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ag, Sn, Sb, La, Pr, Ta, W and Ce and at least one further cation is selected from a group (B) of elements from periods 3 and 6 of groups II and III, periods 5 and 6 of group IV and periods 4 and 5 of groups III to VIII and the lanthanides of the periodic table of the elements.
摘要:
The invention relates to a polymer material comprising a halogen-free flame-proofing agent incorporated into the polymer matrix, the flame-proofing agent comprising at least ammonium polyphosphate(s) and/or derivatives thereof and an oligomer or polymer 1,3,5-triazine derivative or mixtures of a plurality thereof and at least one compound selected from phosphates, pyrophosphates, polyphosphates, organic and inorganic phosphonates, organic and inorganic phosphinates, stannates, molybdates or borates of the elements of the main groups II, III, IV or of the sub-group elements Fe, Zn, Ti, Mn, Zr, Mo, pre-condensed melamine derivatives, melamine salts and addition compounds, ethylene diamine phosphate, piperazine phosphate, piperazine polyphosphate, 1,3,5-trihydroxyethyl isocyanurate, 1,3,5-triglycidyl isocyanurate and triallyl isocyanurate. The weight ratio of constituents A to constituents B is 10:1 to 1:1, constituents A and B together amounting to between 60 and 99 wt. % and constituents C and D to between 1 and 40 wt. % of the total weight of constituents A, B, C and D. The polymer material is a thermoplastic elastomer (TPE).
摘要:
A coating containing metal phosphate-based compounds and mixtures, mixed compounds, mixed salts or adducts which contain such compounds as pigments for the production of single-coloured or multi-coloured markings, inscriptions and/or decorations by means of laser light in and/or on ceramic, stoneware, pottery, earthenware, porcelain, ceramic glazes, engobe, glass or glass paste (enamel). The method of marking by applying a laser to the coatings is also provided
摘要:
A simple and economical process for the preparation of polyphosphates of organic bases consists of reacting a mixture of phosphorus pentoxide and at least one organic nitrogen base with at least one compound which releases water accompanied by decomposition under the prevailing conditions in such a molar ratio that upon decomposition of the water-releasing compound at most essentially 2 mol. water are produced per mol. phosphorus pentoxide. Thus-prepared polyphosphates are particularly suitable as flame-protection agents for plastics.
摘要:
In order to provide a hydroxyapatite that can be used without reservation in the food industry, a hydroxyapatite powder is provided composed of primary particles. The median size of the primary particles from which the powder is made is >0.10 μm and the aspect ratio of the primary particles is 550 g/l. Also disclosed is a method with which such a hydroxyapatite powder can be obtained.
摘要:
A composition containing a polymer material and a phosphorus-containing flame retardant based on an aminomethyl bisphosphonate, a process for the production of the composition, and the use of the flame retardant as well as selected structures of the flame retardant are disclosed.
摘要:
A method of producing electrically conductive metallic structures in or on textiles, which has the following steps: (a) introducing at least one non-conducting precursor compound into a fibre or yarn material during or after the production thereof, wherein the at least one precursor compound is an inorganic metal phosphate compounds, a metal oxide or a spinel of the general formula AB2O4, (b) producing a textile from the fibre or yarn material, (c) irradiating the textile with electromagnetic radiation, preferably with laser light in the regions of the electrically conductive structures to be produced, with the release of metallisation seeds, and (d) electrical or non-electrical treatment of the textile with deposit of metals at the metallisation seeds with the production of conductive structures in the textile.
摘要:
A method for the manufacture of crystal water-free iron(II) orthophosphate of the general formula Fe3(PO4)2 or crystal water-free iron(II) metal orthophosphate, iron(II) metal pyrophosphate or iron(II) metal metaphosphate of the general formula FeaMetb(POc)d, where a is a number from 1 to 5, b is a number from >0 to 5, c is a number from 2.5 to 5, d is a number from 0.5 to 3 and Met represents one or more metals selected from the group consisting of K, Rb, Cs, Mg, Ca, Sr, Ba, the transition metals (d block), in particular Sc, Y, La, Ti, Zr, Hf, Nb, Ta, Cr, Mo, W, Mn, Cu, Zn and the metals and semimetals of the third, fourth and fifth main groups, in particular B, Al, Ga, In, Si, Sn, Sb, Bi and the lanthanoids.