Abstract: A process for the production of foamed plastic parts, in which a blowing agent composition is introduced into a plastic matrix and causes pore formation in the plastic matrix by releasing at least carbon dioxide gas from the blowing agent composition, wherein the blowing agent composition contains at least one carbon dioxide carrier selected from carbonates, hydrogen carbonates and carbamates of alkali metals, alkaline earth metals, aluminum, transition metals and/or ammonium, and at least one acid carrier.

Abstract: An antimicrobially treated material comprising a matrix material in which inorganic phosphate salts of at least two different metal cations are contained in finely distributed, dispersed or dissolved form, wherein at least one of the metal cations is selected from copper (Cu) and zinc (Zn).

Abstract: Radiation-absorbing, plastics-based material consisting of a polymer matrix with an absorber material or mixture of absorber materials contained therein, wherein the absorber material or mixture of absorber materials is selected from phosphates, condensed phosphates, phosphonates, phosphites and mixed hydroxide-phosphate-oxoanions of copper (Cu), tin (Sn), calcium (Ca) and/or iron (Fe) and is present finely distributed, dispersed or dissolved in the polymer matrix.

Abstract: A process for recovering reusable materials, in particular phosphate, from sewage sludge products, namely sewage sludge, sewage sludge ash or sewage sludge slag, by extraction, in which a suspension of the sewage sludge product is produced in water, alcohol, water-alcohol mixture or an aqueous solution, gaseous carbon dioxide (CO2) or supercritical carbon dioxide (scCO2) is introduced as an extraction agent into the suspension of the sewage sludge product, undissolved solids are separated from the liquid suspension agent, carbon dioxide is removed from the suspension agent, and reusable materials dissolved in the suspension agent are precipitated and separated from the suspension agent.

Abstract: Iron(III) orthophosphate of the general formula FePO4×nH2O (n?2.5), prepared by a process in which iron(II)-, iron(III)- or mixed iron(II, III) compounds selected from among hydroxides, oxides, oxidehydroxides, oxide hydrates, carbonates and hydroxidecarbonates are reacted with phosphoric acid having a concentration in the range from 5% to 50%, any iron(II) present after the reaction is converted into iron(III) by addition of an oxidant and solid iron(III) orthophosphate is separated off from the reaction mixture.

Abstract: 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.

Abstract: 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

Abstract: A molding material for the production of highly flame resistant articles with a matrix formed from a thermoplastic and with a particulate flame retardant pigment dispersed therein, wherein under the influence of laser light the material changes color due to a change in color of the pigment or of the plastic matrix, and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with a composition comprising at least one salt which can be reacted with the organic nitrogen base.

Abstract: There is provided a laser-writable molding material containing A) at least one polymer material or at least one precursor compound which can be polymerised to give a polymer material, and B) a particulate salt-like compound or a mixture of particulate salt-like compounds, which under the influence of laser light changes its color or leads to a color change in the component A). In order to enlarge the range of matrix materials hitherto available for laser writing and to overcome the disadvantages of the previously used writing procedures for such matrix materials, the laser-writable molding material according to the invention is characterised in that the at least one polymer material of the component A) is selected from polymer compounds having siloxane crosslinking units.

Abstract: 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).

Abstract: A process for the production of nanofine metal phosphates including the steps of: preparing a solution containing metal cations, phosphate anions and organic carboxylic acid, and finely spraying the solution in a reactor at a temperature above 100 degrees C. wherein the temperature is selected to vaporize the organic acid, and water if present, to obtain nanofine metal phosphate particles.

Abstract: A molding material for the production of highly flame resistant articles with a matrix formed from a thermoplastic and with a particulate flame retardant pigment dispersed therein, wherein under the influence of laser light the material changes color due to a change in color of the pigment or of the plastic matrix, and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with a composition comprising at least one salt which can be reacted with the organic nitrogen base.

Abstract: A pigment for laser-writable plastic materials in the form of particulate, light-sensitive compounds which under the influence of laser light change their color and/or lead to a color change in the plastic material is characterized in that the pigments include at least one salt-like compound including at least two different cations or a compound mixture which can be reacted to afford at least one such salt-like compound with at least two different cations, wherein at least one of the cations is selected from a group (A) of the 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 the elements of the 3rd to 6th periods of the main groups II and III, the 5th to 6th periods of the main group IV and the 4th to 5th periods of the secondary group III to VIII and the lanthanides of the periodic system of elements. The invention also includes plastic materials containing the pigment or the compound mixture.

Abstract: A tin phosphate pigment compound with a residual moisture content of a maximum 1% by weight. The compound preferably is a tin orthophosphate with a mean grain fineness of 8 to 20 ?m (d50), preferably below 10 ?m and most preferably below 5 ?m and a lightness corresponding to an L-value of 92 to 110.6. A tin orthophosphate of claim 5 with a mean grain fineness of below 10 ?m. The invention further includes a laser writable/markable thermoplastic material comprising a tin phosphate compound as described above.

Abstract: 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