摘要:
Three types of trisiloxane surfactants having the basic formula: MDM′ are described wherein the substituents on the differing M and M′ groups in conjunction with a pendant polyalkylene oxide substituents on the D group to render the surfactant resistant to hydrolysis under either basic or acidic conditions.
摘要:
The present invention provides for a mixture comprising a siloxane having the formula: M1DM2 wherein M1=(R1)(R2)(R3)SiO1/2; M2=(R4)(R5)(R6)SiO1/2 and D=(R7)(Z)SiO2/2 where R1, R2, R3 R4, R5, R6 and R7 are each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R8-RA, R9-RC, and R10-RZ; RA being an anionic substituent, RC a cationic substituent or RZ a zwitterionic substituent on the D group and an additional component selected from the group consisting of agricultural components, coating components, personal care components, home care components, oil or gas treating components, water processing components, and pulp or paper treating components, wherein said mixture has an enhanced resistance to hydrolysis.
摘要:
The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified disiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.
摘要:
The present invention teaches polyhydric organosilicones and their use, a preferred of which is as adjuvants for pesticides. The polyhydric organosilicone have siloxane backbones with pendant, terminal or intermediate polyhydric groups. The polyhydric groups or the silioxane may be functionalized further with amine, alkyl and/or alkyleneoxide groups.
摘要:
Oligomeric fluoroalkylsiloxanes corresponding to the formula: ##STR1## wherein x is 0 to 3, y is 0, 1, or 2; z is 0 or 1; x+y>0, and R has the formula --C.sub.a H.sub.2a --O.sub.b --C.sub.d H.sub.2c --C.sub.d F.sub.2d+1 in which a is 2-4, b is 0 or 1, c is 0-8 and d is 4-12, and compositions thereof with an oil, are useful as spreading agents and in agricultural applications.
摘要翻译:对应于下式的低聚氟代烷基硅氧烷:其中x为0至3,y为0,1或2; z为0或1; x + y> 0,R具有式-CaH2a-Ob-CdH2c-CdF2d + 1,其中a为2-4,b为0或1,c为0-8且d为4-12,其组成为 有油,可用作扩散剂和农业应用。
摘要:
Compositions comprising disiloxane surfactant compositions comprising a silicone composition comprising a silicone having the formula: MM′ where M=R1R2R3SiO1/2; M′=R4R5R6SiO1/2; with R1 selected from the group consisting of branched monovalent hydrocarbon radical of from 3 to 6 carbon atoms and R7, where R7 has the formula: R8R9R10SiR12 with R8, R9, and R10 each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms and monovalent aryl or alkaryl hydrocarbon radicals having from 6 to 13 carbon atoms and R12 is a divalent hydrocarbon radical having from 1 to 3 carbon atoms, R2 and R3 are each independently selected from the group of from 1 to 6 carbon atom monovalent hydrocarbon radicals or R1, with R4 an alkylpolyalkyleneoxide of the general formula: R13(C2H4O)a(C3H6O)b(C4H8O)cR14 where R13 is a divalent linear or branched hydrocarbon radical having the structure: —CH2—CH(R15)(R16)dO— where R15 is H or methyl; R16 is a divalent alkyl radical of 1 to 6 carbons where the subscript d may be 0 or 1; R14 is selected from the group consisting of H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl where the subscripts a, b and c are zero or positive and satisfy the following relationships: 2≦a+b+c≦20 with a≧2, and R5 and R6 are each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms or R4 that exhibit resistance to hydrolysis over a wide pH range.
摘要翻译:包含二硅氧烷表面活性剂组合物的组合物,其包含硅氧烷组合物,其包含具有式MM的其中M = R 1 R 2 R 3 SiO 1/2的硅氧烷; M'= R4R5R6SiO1 / 2; 其中R 1选自3至6个碳原子的支化一价烃基和R 7,其中R 7具有下式:R 8 R 9 R 10 SiR 12,其中R 8,R 9和R 10各自独立地选自具有1至 6个碳原子和具有6至13个碳原子的单价芳基或烷芳基烃基,R 12是具有1至3个碳原子的二价烃基,R 2和R 3各自独立地选自1至6个碳原子的单价 烃基或R 1,其中R 4是具有通式R 13(C 2 H 4 O)a(C 3 H 6 O)b(C 4 H 8 O)c R 14的烷基聚环氧烷,其中R 13是具有以下结构的二价直链或支链烃基:-CH 2 -CH(R 15) )dO-,其中R 15是H或甲基; R16是1至6个碳的二价烷基,其中下标d可以是0或1; R 14选自H,1至6个碳原子的一价烃基和乙酰基,其中下标a,b和c为零或正,并且满足以下关系:2 @ a + b + c @ 20与 a> = 2,R 5和R 6各自独立地选自具有1至6个碳原子的一价烃基或在宽pH范围内表现出抗水解性的R4。
摘要:
Three types of trisiloxane surfactants having the basic formula: MDM′ are described wherein the substituents on the differing M and M′ groups, in conjunction with pendant polyalkylene oxide substituents on the D group render the surfactant resistant to hydrolysis under either basic or acidic conditions outside the pH range of 6.0 to 7.5. The compositions are useful in agricultural, household and cosmetic applications.
摘要:
Three types of trisiloxane surfactants having the basic formula: MDM′ are described wherein the substituents on the differing M and M′ groups, in conjunction with pendant polyalkylene oxide substituents on the D group render the surfactant resistant to hydrolysis under either basic or acidic conditions outside the pH range of 6.0 to 7.5. The compositions are useful in agricultural, household and cosmetic applications.
摘要:
A composition for providing a stable foam with high tolerance to hydrocarbons includes (a) an aqueous liquid; (b) at least one water soluble or dispersible silicon-containing polyether foamant contained within the aqueous liquid; and (c) a non-aqueous liquid. The aqueous liquid includes water and brine. The non-aqueous liquid includes liquid hydrocarbons.
摘要:
Three types of trisiloxane surfactants having the basic formula: MDM′ are described wherein the substituents on the differing M and M′ groups, in conjunction with pendant polyalkylene oxide substituents on the D group render the surfactant resistant to hydrolysis under either basic or acidic conditions outside the pH range of 6.0 to 7.5. The compositions are useful in agricultural, household and cosmetic applications.