摘要:
The invention relates to a sterilized composition comprising at least one hyaluronic acid or biologically acceptable salt thereof, alone or in a mixture, and magnesium ascorbyl phosphate, in a ratio [HA]/[MAP] by mass of the amount of hyaluronic acid or salt thereof [HA] to the amount of magnesium ascorbyl phosphate [MAP] of greater than or equal to 1, the amount of magnesium ascorbyl phosphate being between 0.001% and 1% by weight, relative to the total weight of said composition, with an elastic component G′ which is retained or improved after sterilization and is between 5 and 400 Pa. It also relates to a composition of the invention which further includes dimethyl sulfone, to methods for producing same, and to uses thereof.
摘要:
Disclosed herein is a thermoplastic composition comprising 10 to 45 weight percent glass fiber, 5 to 15 weight percent of a metal dialkyl phosphinate, 1 to 5 weight percent melamine polyphosphate and a compatibilized blend formed from 20 to 60 weight percent of polyamide, 10 to 40 weight percent of polyphenylene ether, and 0.05 to 2 weight percent of a compatibilizing agent, wherein weight percent is based on the combined weight of the polyamide, polyphenylene ether, compatibilizing agent, glass fiber, metal dialkyl phosphinate and melamine polyphosphate, and the composition is free of borate compounds. The composition has a UL94 rating of V0 at a thickness of 1.5 millimeters.
摘要:
The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound, a process for manufacturing the compound and intermediates involved therein.
摘要:
The invention relates to a special layer construction and a special film of plastic for the production of such a layer construction which is suitable for printing by means of dye diffusion thermal transfer printing, a process for the production thereof and a security and/or valuable document comprising such a layer construction.
摘要:
Provided herein is a flame-retardant polyolefin resin containing a blend which comprises 1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
摘要:
An energy curable inkjet ink includes a nitroxy inhibitor, a compound having an ethylenic unsaturated bond, a photoinitiator, a coloring agent, and a stray light resistance index of at least 7. A method of preparing an energy curable inkjet ink with stray light resistance includes providing a nitroxy inhibitor; providing a mixture of a compound having an ethylenic unsaturated bond, and a photoinitiator, and a coloring agent; combining the nitroxy inhibitor and the mixture to obtain the energy curable inkjet ink and thereby to increase a stray light resistance index of the energy curable inkjet ink to at least 7.
摘要:
A plastic article formed from a thermoplastic composition including a polycarbonate having repeating structural carbonate units according to the formula: in which at least 60 percent of the total number of R1 groups contain aromatic moieties and the balance thereof are aliphatic, alicyclic, or aromatic. The composition also includes an epoxy additive having at least two epoxy groups per molecule and a phenolic diphosphite derived from pentaerythritol. The thermoplastic composition exhibits a dE (2000hrs.) value of less than 1.5 after 2000 hours of heat aging at 130° C., measured according ISO 11664-4:2008(E)/CIE S 014-4/E:2007 using CIE illuminant D65 and a 2.5 mm thick molded plaque of the thermoplastic composition.
摘要:
The invention relates to a formulation suitable to provide polyurethane, the formulation comprising (a) at least one polyurethane forming mixture; (b) at least one phosphate component selected from the group consisting of ammonium polyphosphate (APP) and melamine phosphates, and mixtures thereof, and; (c) at least one metal or metalloid oxide particle having a maximum particle size of less than 300 μm, wherein the metal or metalloid is selected from the group consisting of Mg, and Al, and wherein said at least one phosphate component is present in an amount ranging from 20 to 45% by weight based on 100% by weight of the formulation.
摘要:
The present invention relates to a flame-retardant polyolefin resin containing a blend which comprises 0.1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
摘要:
Novel flame retarding compounds that comprise at least one sterically hindered nitroxyl, hydroxylamine or hydrocarbyloxyamine moiety and at least one conventional organohalogen or organophosphorus flame retardant moiety, represented by where HA is independently of each other a sterically hindered nitroxyl, sterically hindered hydroxylamine or sterically hindered hydrocarbyloxyamine moiety, L is independently of each other a direct bond or chemical linking group, FRM is independently of each other an organohalogen or an organophosphorus flame retardant moiety, and x, y and z are each independently greater than or equal to 1, are especially effective towards providing flame retardancy to organic polymer substrates.