摘要:
Me present invention relates to a formulation comprising (I) at least one organoalkoxysilane and/or at least one organoalkoxysiloxane and (ii) at least one inorganic oxidic powder and (iii), if desired, an organic or inorganic acid, component (ii) making up from 5 to 50% by weight of formulation, and the formulation having a viscosity of less than 1500 mPa·s. The present invention further relates to a process for preparing such formulations, and to their use.
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 attatched thereto.
摘要:
The present invention relates to surface-modified fillers obtained by mixing a filler with water, adding an water-based organosiloxane composition with very thorough mixing, wherein the organosiloxanes are soluble in water and contain, in addition to OH groups, at least one amino-functional group and optionally a functional group from the series consisting of alkyl, haloalkyl, alkenyl, glycidyl ether alkyl, acryloxyalkyl and methacryloxyalkyl, and wherein a functional group is bonded to each silicon atom of the organosiloxane, and drying the mixture. The present invention also provides a process for the surface modification of fillers, their use and ethylene-vinyl acetate copolymer compositions which include the surface-modified fillers.
摘要:
Mixtures of catenate and cyclic siloxane oligomers of formula I and II ##STR1## wherein the substituents R consist of 3-methacryloxypropyl or 3-acryloxypropyl groups and methoxy, ethoxy and/or propoxy groups alone or together with C.sub.1 -C.sub.18 alkyl, fluoroalkyl, isoalkyl or cycloalkyl groups and/or C.sub.6 -C.sub.12 aryl groups and where not more than one 3-methacryloxypropyl or 3-acryloxypropyl group is attached to one silicon atom and the degree of oligomerization of compounds of the formula I is within the range 2
摘要:
An aqueous alcoholic fluoroalkyl functional group containing organopolysiloxane-composition, comprising:organopolysiloxanes of formula I:RO�Si(A)(CH.sub.3).sub.z (OR).sub.1-z O!.sub.a �Si(B)(R.sup.2).sub.y (OR).sub.1-y O!.sub.b �Si(C)(CH.sub.3)O!.sub.c �Si(D)(OR)O!.sub.d R.multidot.(HX) (I)wherein A is an aminoalkyl radical derived from the compound of formula II:H.sub.2 N(CH.sub.2).sub.f (NH).sub.g (CH.sub.2).sub.h Si(OR).sub.3-z (CH.sub.3).sub.z (II)wherein 0.ltoreq.f.ltoreq.6, 9=0 if f=0 and g=1 if f>0, 0.ltoreq.h.ltoreq.6 and 0.ltoreq.z.ltoreq.1, and B is a fluoroalkyl radical derived from the compound of formula III:R.sup.1 --Y--(CH.sub.2).sub.2 Si(R.sup.2).sub.y (OR).sub.3-y (III)wherein R.sup.1 is a mono-, oligo- or perfluorinated alkyl group having 1-9 C atoms or a mono-, oligo- or perfluorinated aryl group, Y is a CH.sub.2, O or S group, R.sub.2 is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group and 0.ltoreq.y.ltoreq.1, and C is an alkyl radical derived from the compound of formula IV:R.sup.3 --Si(CH.sub.3)(OR).sub.2 (IV)and D is also an alkyl radical derived from the compound of formula V:R.sup.3 --Si(OR).sub.3 (V)wherein R.sup.3 in the preceding formulae is in each case identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms, R in the preceding formulae is in each case identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group, and HX is an acid, in which X is an inorganic or organic acid radical, and 0.ltoreq.y.ltoreq.1, 0.ltoreq.z.ltoreq.1, a>0, b>0, c.gtoreq.0, d.gtoreq.0, e.gtoreq.0 and (a+b+c+d).gtoreq.2.
摘要翻译:含有有机聚硅氧烷组合物的含水醇氟代烷基官能团包括:式I的有机聚硅氧烷:RO [Si(A)(CH3)z(OR)1-zO] a [Si(B)(R2)y(OR) yO] b [Si(C)(CH3)O] c [Si(D)(OR)O] dRx(HX)(I)其中A是衍生自式II化合物的氨基烷基:H 2 N(CH 2)f (NH)g(CH 2)h Si(OR)3-z(CH 3)z(II)其中0 0,则g = R =(Y) - (CH 2)2 Si(R 2)y(OR)3-y (III)其中R1是具有1-9个C原子的单,低聚或全氟烷基或单,低聚或全氟化的芳基,Y是CH 2,O或S基团,R 2是直链,支链 或具有1-8个碳原子或芳基且0≤y≤1的环状烷基,C是衍生自式IV化合物的烷基:R3-Si(CH3)(OR)2( IV),D也是衍生自式V化合物的烷基:R3-Si(OR)3(V)其中前述通式中的R 3在每种情况下均为 或具有1-8个C原子的直链,支链或环状烷基,前述式中的R各自相同或不同,为具有1-8个C原子的直链,支链或环状烷基 或芳基,并且HX是酸,其中X是无机或有机酸基团,并且0≤y≤1,0≤z≤1,a> 0,b> 0 ,c> / = 0,d> / = 0,e> / = 0和(a + b + c + d)> / = 2。
摘要:
The present invention relates to a binder for composite materials comprising cellulose- or lignocellulose-containing materials, which is based on the components (i) at least one binder from the series consisting of organic resins, isocyanates, natural or near-natural binders and (ii) at least one composition based on an aminoalkylsilane. The invention furthermore relates to a composite material which is at least based on a cellulose- or lignocellulose-containing material and the abovementioned binder, a process for the production of such a composite material and the use of the binder system according to the invention for the production of wood-based materials.
摘要:
The invention relates to an agent for providing substrates based on cellulose and/or starch with water-repellent and simultaneously antifungal, antibacterial, insect-repellent and antialgal properties, which contains water and, as active substance, at least one linear, cyclic, branched or crosslinked co-oligomer or mixtures of co-oligomers from the series consisting of the alkyl-/aminoalkyl-/alkoxy- or hydroxy-siloxanes, the use of such agents and a special treatment process using such agents.
摘要:
A formulation containing: (i) at least one organoalkoxysilane and/or at least one organoalkoxysiloxane; (ii) at least one inorganic oxidic powder; and (iii), optionally, an organic or inorganic acid is provided. The formulation contains from 5 to 50% of the inorganic oxide powder and has a viscosity of less than 1500 mPa·s. A weight ratio of the organoalkoxysilane and/or at least one organoalkoxysiloxane to the inorganic oxidic powder is from 19:1 to 1:1.
摘要:
The present invention provides an organosilicon nanocapsule, which includes: a nanoscale core A, which includes: at least one particle including 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 linear, branched, cyclic or substituted alkyl group having from 1 to 50 carbon atoms; 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 attatched thereto.