摘要:
The disclosure relates to a particulate agent based on free-flowing, pulverulent ammonium polyphosphate of the general formulaH.sub.(n-M)+2 (NH.sub.4).sub.m P.sub.n O.sub.3n+1in which n stands for a whole number with an average value of about 20 to 800 and the ratio of m/n is about 1. The agent reduces the ignitability of combustible substances and constists of(a) about 80 to 99.5 mass % ammonium polyphosphate and(b) about 0.5 to 20 mass % hardened epoxide resin having an epoxide equivalent weight of about 170 to about 220, the epoxide resin enveloping the individual ammonium polyphosphate particles.
摘要翻译:本公开内容涉及基于自由流动的通式为H(nM)+2(NH4)mPnO3n + 1的粉末状多磷酸铵的颗粒剂,其中n表示平均值为约20至800的整数, m / n的比例为约1.该试剂降低了可燃物质的可燃性和(a)约80-99.5质量%多磷酸铵的组分,(b)约0.5-20质量%的具有环氧当量的硬化环氧树脂 约170至约220,环氧树脂包围单个多磷酸铵颗粒。
摘要:
The invention relates to stabilized, pulverulent red phosphorus, consisting of phosphorus particles having a particle size of at most about 2 mm, and an oxidation stabilizer which envelops the phosphorus particles in the form of a thin layer, wherein(a) the oxidation stabilizer is a combination of aluminum hydroxide and a hardened epoxide resin system having an epoxide equivalent weight of about 170 to 500,(b) the total amount of the oxidation stabilizer is 0.1-5% by weight, based on the amount of red phosphorus, and(c) the proportion of aluminum hydroxide is about 0.01 to 3% by weight, and the proportion of epoxide resin is about 0.09 to 4.99% by weight, in each case based on the amount of the red phosphorous.
摘要:
The invention provides stabilized pulverulent red phosphorus comprising a homogeneous blend of red phosphorus particles with a size of at most about 2 mm, aluminum hydroxide and a further metal hydroxide as oxidation stabilizers, wherein the metal hydroxide is lead hydroxide. The homogeneous blend contains aluminum hydroxide and lead hydroxide in a total proportion of about 0.1 to 6 weight %, based on the quantity of red phosphorus, the aluminum hydroxide and lead hydroxide, calculated as Al.sub.2 O.sub.3 to PbO, being used in a quantitative ratio of about 0.5 to 2.0.
摘要翻译:本发明提供了稳定的粉红色磷,其包括尺寸至多约2mm的红磷颗粒的均匀混合物,氢氧化铝和另外的金属氢氧化物作为氧化稳定剂,其中金属氢氧化物是氢氧化铅。 基于以Al 2 O 3与PbO计算的红磷,氢氧化铝和氢氧化铅的量,总量为约0.1至6重量%的总氢氧化铝和氢氧化铅以大约 0.5〜2.0。
摘要:
Granular compositions containing pulverulent magnesium are made by blending the pulverulent magnesium ingredient with the desired other ingredient(s). To this end, a premix is formed by mixing, in a first stage, the pulverulent magnesium with the other ingredient(s) in a ratio by weight of 4:1 to 1:19; and intimately mixing this pre-mix, in a second stage, with further proportions of said other ingredient(s) giving a total ratio by weight of 1:799 to 1:19.
摘要:
Production of stabilized pulverulent red phosphorus. The phosphorus so stabilized comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, calcium or zinc salt of a phosphinic acid of the general formula ##STR1## in which R.sub.1 and R.sub.2 each stand for an alkyl, cycloalkyl, aryl or aralkyl group having 1 to 20 carbon atoms, the metal compound being present in the homogeneous blend in a proportion of about 0.5 to 5 weight %.
摘要:
The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, magnesium, calcium or zinc salt of an acid orthophosphoric acid ester of a long chain aliphatic alcohol, which may be ethoxylated, or phenol, the metal compound being present in the homogeneous blend in a proportion of about 0.25 to 5 weight %.
摘要:
Production of flameproof polyurethanes or polyurethane foams containing an ammonium polyphosphate of the general formula: H.sub.(n-m)+2 (NH.sub.4).sub.m P.sub.n O.sub.3n+1 in which n stands for a whole number averaging a value of more than 400 up to about 1000, and the ratio of m:n is approximately 1:1, as a flameproofing agent, if desired in combination with a further flameproofing substance.
摘要:
Builders for detergent and cleaning compositions. The builders comprise copolymers made from .alpha.-hydroxyacrylic acid and acrylic acid. The copolymers contain between 9 and 85 mol % of acrylic acid and have a relative viscosity within the range 0.05 and 1.0, determined on a 1 weight % solution of the copolymers in aqueous 2N-sodium hydroxide solution, at 20.degree. C.
摘要:
The invention provides a granulate comprising particles having sizes substantially within the range 0.15 to 1.25 mm, the granulate consisting of:(a) about 1 to 99 weight % of partially or completely hydrated sodium tripolyphosphate containing water of hydration in a proportion of at least about 10 weight %, based on the theoretically possible water content, the anhydrous sodium tripolyphosphate containing about 20 to 90 weight % of phase-I-material prior to its being hydrated, the balance being phase-II, and(b) about 99 to 1 weight % of a water-insoluble alumino silicate ion exchanger material of the general formula(Cat.sub.2/n O).sub.x.Me.sub.2 O.sub.3.(SiO.sub.2).sub.y.zH.sub.2 O in which Cat stands for a calcium exchangeable cation with the valency n, x is 0.7 to 1.5, Me stands for boron or aluminum, y is 0.8 to 6, and z is 1.8 to 13.5.The invention also includes a spray process for making a granulate as just specified.The present granulate can be made with a particle size distribution which gives it particular utility as a detergent composition constituent.
摘要:
A process inhibiting the coalescence of flowable phosphorus pentachloride in a closed container. To this end, the invention provides for a readily volatizable organic liquid boiling within the range about 20.degree. to 200.degree. C. and being inert with respect to phosphorus pentachloride to be admitted to the container prior to, during or after the introduction of phosphorus pentachloride thereinto, and for the container to be then hermetically sealed, the liquid being used in a proportion of about 1 to 15 weight %, based on the quantity of phosphorus pentachloride.