摘要:
Detergent resistant compositions comprising an aqueous emulsion of hydrocarbonoxy end-blocked branched organopolysiloxanes containing from 10 to 99 mol percent of R.sub.2 SiO units and from 90 to 1 mol percent of R.sub.3 SiO.sub.3/2 units and/or SiO.sub.4/2 units, where R is a monovalent hydrocarbon radical. Other silicone fluids such as aminofunctional, silicone fluids, organoalkoxysilanes, silicone resins, organopolysiloxane fluids and silicone gums as well as abrasive materials, surfactants and organic solvents may be incorporated in the aqueous emulsions.
摘要:
Organopolysiloxane fluids are stabilized against degradation in the presence of kaolin clays at elevated temperatures by adding an amine containing compound to the organopolysiloxane fluids.
摘要:
Compositions which either reduce or prevent foam formation in aqueous or nonaqueous systems comprising (A) a foam destabilizing agent containing (1) a diorganopolysiloxane having the average formula ##STR1## where R is a monovalent hydrocarbon radical having from 1 to 50 carbon atoms, in which an average of at least one R group contains from 6 to 50 carbon atoms, a has an average value of from about 1.8 to 2.2, and m has an average value greater than 3, and (2) an amine containing compound selected from an aminofunctional organopolysiloxane and/or an organic amine having the formula ##STR2## where R.sup.1 is a monovalent hydrocarbon radical having from 1 to 25 carbon atoms, R.sup.2 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, with the proviso that at least one of the radicals represented by R.sup.1 or R.sup.2 must have at least 6 carbon atoms, b is 0, 1 or 2, c is 0 or 1, (B) a nonaqueous dispersing agent, (C) an inorganic filler and (D) water, if desired.
摘要:
Quaternary ammonium-functional silicon compounds are prepared by reacting carboxylic acid-functional quaternary ammonium compounds with carbinol-functional silicon compounds. These quaternary ammonium-functional silicon compounds may be applied to textile materials to impart antistatic properties thereto.
摘要:
The invention relates to a process for preparing thiofunctional polysiloxane polymers which comprises equilibrating in the presence of an acid catalyst a mixutre containing (1) an organopolysiloxane having at least four silicon atoms per molecule and (2) a thiofunctional polysiloxane copolymer having at least one unit of the formula ##EQU1## and the other units are selected from the formulas R.sub.2 SiO, R.sub.3 SiO.sub.0.5, and RO.sub.0.5, wherein R is a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, R' is a substituted or unsubstituted divalent, trivalent or tetravalent hydrocarbon radical free of aliphatic unsaturation having from 1 to 18 carbon atoms, hydrocarbon ether, hydrocarbon thioether, hydrocarbon ester and hydrocarbon thioester radicals, R" is a monovalent hydrocarbon radical or hydrogen, f is a number of from 1 to 3, g is a number of from 0 to 1 and the sum of f+g is from 1 to 3 and y is a number of from 1 to 3.
摘要:
Radiation polymerizable acrylate-functional organopolysiloxanes having the formula ##STR1## where R is a radical selected from monovalent hydrocarbon radicals, substituted monovalent hydrocarbon radicals having from 1 to 20 carbon atoms or monovalent hydrocarbonoxy radicals having from 1 to 20 carbon atoms, or a radical of the formula ##STR2## in which at least one R is a radical having the above formula, R.sup.1 is a divalent radical selected from a saturated divalent hydrocarbon radical having up to 20 carbon atoms, a divalent hydrocarbonoxy radical in which the oxygen is in the form of an ether linkage and an unsaturated divalent hydrocarbon radical having from 3 to 10 carbon atoms; R.sup.2 is hydrogen or a methyl radical; R.sup.3 is a linear or branched radical having 2, 3, 4, 5 or 6 valences in which the radical is selected from a substituted hydrocarbon radical, or a hydrocarbon ether or thioether radical having one or more repeating units and the terminal atoms of the R.sup.3 radical are selected from oxygen or nitrogen; R.sup.4 is a radical linked to the terminal oxygen or nitrogen atoms of R.sup.3 and is selected from the group consisting of a monovalent hydrocarbon radical having from 1 to 20 carbon atoms, an acryloyl radical, and a substituted acryloyl radical and when the terminal atom of R.sup.3 is oxygen, then R.sup.4 may also be hydrogen. R.sup.5 is a monovalent hydrocarbon radical having from 1 to 20 carbon atoms or a radical of the formula--CH.sub.2 --CH.sub.2 --Xwherein X represents --COOR.sup.6, --CONR.sup.6, --CN, --SO.sub.2 R.sup.6, R.sup.6 is a monovalent hydrocarbon radical having from 1 to 20 carbon atoms, a is a number having an average value of 0.7 to 2.6, b is a number of from 1 to 3, c is a number of from 0 to 4, d is a number of from 1 to 4, e is a number of from 0 to 4, x is a number of from 2 to 20,000 with the proviso that b+1=d+e.The acrylate-functional organopolysiloxanes are combined with a photosensitizer and/or peroxide and cured by radiation and/or heat.
摘要:
Thiofunctional polysiloxane fluids are stabilized against degradation in the presence of kaolin clay by adding an amine containing compound to the thiofunctional polysiloxane fluids.
摘要:
A textile finishing composition comprising (1) a diluent and (2) a durable press resin composition containing (a) an aminoplast resin and (b) an aldehyde. The textile finishing composition is combined with an acid catalyst and applied to textile materials to impart softness, improved wetting properties and durable press properties.The textile finishing composition is applied at lower than normal dry add-on levels to textile materials to provide textile materials having lower levels of formaldehyde.
摘要:
Silicone polymer compositions are prepared by mixing silylated polyethers with silanol terminated organopolysiloxanes in the presence or absence of solvents and/or emulsifiers. These silicone polymer compositions may be applied as a solution or as a dispersion to textile substrates to impart a soft silky coating thereon.
摘要:
This invention relates to sulfur containing polysiloxane polymers having units of the general formula(M).sub.x (T').sub.ywherein M represents an R.sub.3 SiO.sub.0.5 unit in which R is a monovalent hydrocarbon radical or a halogenated monovalent hydrocarbon radical having from 1 to 18 carbon atoms, T' represents a unit of the formula(R"S).sub.z R'SiO.sub.1.5in which R' is a divalent, trivalent or tetravalent hydrocarbon radical having from 2 to 18 carbon atoms or divalent, trivalent or tetravalent hydrocarbon radicals having at least one --C--S--C-- group, R" is hydrogen or R, x and y each represent a number greater than 1 and up to 20,000, in which the ratio of x to y may vary from 1:0.33 to 0.005:1 and z is 1, 2 or 3.These sulfur containing polysiloxane polymers are prepared by reacting in the presence of an acid catalyst a mixture containing (1) a hexaorganodisiloxane and (2) a silicon compound having the formula(R"S).sub.z R'Si(OR).sub.3in which R, R' and R" are the same as above.