摘要:
A silicon-containing azodicarboxamide is obtainable by reacting an azodicarboxy compound with an aminosilane. The silicon-containing azodicarboxamides are suitable for use in cable sheathing, hoses, drive belts, conveyor belts, roll coverings, footwear soles, ring seals and damping elements.
摘要:
The invention relates to a process for preparing silicon-containing azodicarbamides of the general formula (I) (R1)3-a(R2)aSi—RI—NH—C(O)—N═N—C(O)—NH—RI—Si(R1)3-a(R2)a (I), by reaction of azobiscarboxy compounds of the general formula II R3—X1—C(O)—N═N—C(O)—X1—R4 (II) with aminosilanes of the general formula III (R1)3-a(R2)aSi—RI—NH2 (III).
摘要:
The invention relates to a process for preparing silicon-containing azodicarbamides of the general formula (I) (R1)3-a(R2)aSi—RI—NH—C(O)—N═N—C(O)—NH—RI—Si(R1)3-a(R2)a (I), by reaction of azobiscarboxy compounds of the general formula II R3—X1—C(O)—N═N—C(O)—X1—R4 (II) with aminosilanes of the general formula III (R1)3-a(R2)aSi—RI—NH2 (III).
摘要:
The invention relates to a method for producing organosilanes of general formula I, [R(R)(R′O)Si—R″—]2Sm I by reaction of (halo-organo)alkoxysilanes of formula II, [R(R)(R′O)Si—R″-Hal II with a sulfuring reagent, selected from alkaline hydrogensulfide, alkaline sulfide Me2S, alkaline polysulfide Me2Sg and any combination thereof and optionally additionally with sulfur and/or with H2S in a solvent, the alkaline hydroxy content of all materials used being
摘要:
The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
摘要:
The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
摘要:
The present invention provides a polymerizable organosilicon nanocapsule, which includes: a nanoscale core A, which includes: at least one particle comprising at least one oxide or mixed oxide, KA-O, of at least one metal or semimetal selected from the group including main groups 2 to 6 of the Periodic Table, transition groups 1 to 8 of the Periodic Table, lanthanides, and mixtures thereof; and an organosilicon shell B, which includes: at least one organosilicon compound having the formula (Ia): (Si′O—)xSi—R (Ia) wherein R is a vinyl or allyl group; wherein x is a number from 0 to 20; wherein remaining free valences of Si are each independently (KA-O)—, SiO— or —Z; wherein remaining free valences of Si′ are each independently (KA-O)—, SiO—, —R, or —Z; wherein the Z's are each independently hydroxyl or alkoxy radicals; and wherein each Si and Si′ in the shell B have not more than one R group attached thereto.
摘要:
The invention relates to a process for treating a composition comprising organosilanes and at least one polar organic compound and/or at least one extraneous metal and/or a compound containing extraneous metal, wherein the composition is contacted with at least one adsorbent and a composition in which the content of the organic polar compound and/or of the extraneous metal and/or of the compound containing extraneous metal is reduced is subsequently obtained, and also to a corresponding composition in which the content of polar organic compounds and/or extraneous metals has been reduced to traces, and to the use of organic resins, activated carbons, silicates and/or zeolites for reducing the amounts of the compounds mentioned.
摘要:
The invention relates to a method for the treatment of a composition containing inorganic silanes and at least one foreign metal and/or a compound containing a foreign metal, wherein the composition is brought in contact with at least one adsorption agent, and for obtaining the composition, in which the content of foreign metal and/or of a compound containing a foreign metal is reduced, and to a corresponding composition having a reduced foreign metal content, and further to the use of organic resins, activated carbons, silicates, and/or zeolites for the reduction of foreign metals and/or compounds containing foreign metals in compositions of inorganic silanes.
摘要:
The invention relates to a process for the catalytic hydrodehalogenation of SiCl4 to form HSiCl3, which comprises bringing a gaseous feed mixture comprising hydrogen and silicon tetrachloride into direct contact with at least one heating element of a resistance heating device, with the heating element being composed of a metal or a metal alloy and being heated to carry out the reaction.