Abstract:
WHERE R is selected from the group consisting of C1-C18 alkyls, C4-C8 cycloalkyls, aryls, arylalkyls and oxy and halo substituted derivatives thereof; R1 is selected from the class consisting of C1-C18 alkyls and C4-C(cycloalkyls, aryls and arylalkyls; R2 is selected from the class consisting of C1-C18 alkyls and C4-C8 cycloalkyls, and n is an integer from two to 17. One or such acetal-containing organosilicon compositions is, for example, methyl(diethoxy)(3,3-dimethoxy-propyl)silane, which may be represented by the structural formula: AND COPOLYMERS OF SUCH ACETAL-CONTAINING ORGANOSILICON COMPOSITIONS AND DIORGANODIALKOXY SILANES HAVING THE GENERAL FORMULA: 4. (R3)2 Si(OR4)2, the copolymer having the general formula: 5.
Homopolymers of such acetal-containing organosilicon compositions which have the general formula:
An acetal-containing organosilicon composition represented by the formula: WHERE R3 and R4 are selected from the same groups as R1 and R2, respectively, and x and y represent the mole fraction of each component and both x and y can vary up to one. Also encompassed is a method for improving the water-repellency of a material containing substantial quantities of cellulose.
Abstract:
THIS INVENTION RELATES TO ORGANOSILICON COMPOUNDS AND, IN PARTICULAR, TO TERTIARY AMINO-ORGANOSILICON COMPOUNDS WHEREIN THE TERTIARY AMINO GROUP CONTAINS CERTAIN SPECIFIC GROUPS BONDED TO NITROGEN AND IS LINKED TO SILICON BY A DIVALENT HYDROCARBON GROUP CONTAINING AT LEAST ONE ETHER LINKAGE. THIS INVENTION FURTHER RELATES TO DERIVATIVES OF SUCH TERTIARY AMINO-ORGANO-SILICON COMPOUNDS AND, IN PARTICULAR, TO AMINE OXIDES, SALTS AND METAL COORDINATION COMPOUNDS DERIVED FROM SUCH TERTIARY AMINO-ORGANOSILICON COMPOUNDS. THE COMPOUNDS HAVE UTILITY AS EMULSIFYING AGENTS.
Abstract:
A heat curable composition comprises (1) an epoxy- or epithio-alkylester of 3,4-dihydro-1,2-pyran-2-carboxylic acid and (2) and amine containing at least two N-H bonds. Specified esters are glycidyl 3,4-dihydro-1,2-pyran-2-carboxylate and 2,3 - epithiopropyl - 3,4 - dihydro - 1,2 - pyran - 2 carboxylate. Preferred amines are aromatic, aliphatic or cyclo-aliphatic. The two components are mixed, either with or without solvent. Suitable concentrations of amine are 0.8 to 1.5 equivalents per equivalent of heterocyclic compound. Suitable additives are fillers, dyes, plasticizers, stabilizers, vinyl resins, pitches, distillate oils and alkyd resins. Resinification is achieved by heating at 90 to 250 DEG C., optionally in the presence of accelerators or catalysts. The examples describe the preparation of cured compositions from glycidyl-3,4-dihydro-1,2-pyran-2-carboxylate and (1) meta-phenylene diamine; (3) triethylenetetramine, (4) 1,3-diaminocyclohexane; (5) 1,3-diamino-(methyl)cyclohexane; (6) di-(hexamethylene)triamine; (7) meta - xylylene diamine; and (2) from 2,3-epithio-propyl-3,4-dihydro - 2 - pyran - 2 - carboxylate and metaphenylene diamene. Uses:-laminates, adhesives, mouldings, surface coatings.
Abstract:
Fragrant silanes having the formula:(R.sup.1 O).sub.a (R.sup.2 O).sub.b (R.sup.3 O).sub.c (R.sup.4).sub.d (R.sup.5).sub.e SiR.sup.6where R.sup.1, R.sup.2 and R.sup.3 are derived from the group of alcohols consisting of R.sup.1 OH, R.sup.2 OH and R.sup.3 OH wherein R.sup.1 OH, R.sup.2 OH and R.sup.3 OH are fragrant alcohols or alternatively R.sup.1, R.sup.2 and R.sup.3 are derived from the group of fragrant esters, ketones, or aldehydes having the structure:R.sup.7 --CH.sub.2 (C.dbd.O)--R.sup.8wherein the fragrant ester, ketone or aldehyde is capable of exhibiting the enol form of the carbonyl moiety under reaction conditions, with R.sup.4 and R.sup.5 selected from the group consisting of monovalent hydrocarbon radical having from one to forty carbon atoms and monovalent alkoxy radicals having from one to forty carbon atoms, R.sup.6 a two to forty atom monovalent unsaturated hydrocarbon radical containing a terminal olefinic or acetylenic moiety where the subscript a has a value ranging from 1 to 3 and the subscripts b, c, d, and e have values ranging from 0 to 2 subject to the limitation that a+b+c+d+e=3; R.sup.7 is selected from the group consisting of hydrogen and monovalent hydrocarbon radicals having from one to one hundred carbon atoms and R.sup.8 is selected from the group consisting of hydrogen and monovalent hydrocarbon radicals having from one to one hundred carbon atoms.
Abstract translation:具有式(R1O)a(R2O)b(R3O)c(R4)d(R5)eSiR6的芳香硅烷,其中R1,R2和R3衍生自由R1OH,R2OH和R3OH组成的醇,其中R1OH,R2OH 和R 3 OH是芳香醇,或者R1,R2和R3衍生自具有以下结构的芳族酯,酮或醛:R7-CH2(C = O)-R8,其中芳香酯,酮或醛能够 在反应条件下显示羰基部分的烯醇形式,其中R 4和R 5选自具有1至40个碳原子的一价烃基和具有1至40个碳原子的一价烷氧基,R 6为2至40个 含有末端烯属或炔属部分的单价不饱和烃基,其中下标a的值范围为1至3,下标b,c,d和e的值范围为0至2,但受限于a + b + c + d + e = 3; R 7选自氢和具有一至一百个碳原子的一价烃基,R 8选自氢和具有一至一百个碳原子的一价烃基。
Abstract:
The invention includes hydrolyzable and polymerizable silanes, methods of making them and using them to obtain silicic acid(hetero)polycondensates and silicic acid(hetero)polymerizates. The hydrolyzable and polymerizable silanes have the formula I, ##STR1## wherein A=O, S, NH or C(O)O; wherein B=a straight chain or branched organic residue with at least one C.dbd.C double bond and from 4 to 50 carbon atoms;R is an alkyl group, alkenyl group, aryl group, alkylaryl group or an arylalkyl group;R' is a substituted or unsubstituted alkylene group, arylene group, arylenealkylene group or alkylenearylene group each having zero to ten carbon atoms, with the proviso that the substituted groups each have at least one oxygen atom, sulfur atom and/or amine group substituent;R.sup.1 represents nitrogen, a substituted or unsubstituted alkylene, arylene and alkylenearylene group each having from 1 to 10 carbon atoms, wherein said substituted alkylene groups, arylene groups and alkylenearylene groups each have at least one oxygen atom, sulfur atom and/or amine group substitutent;X represents hydrogen, halogen, a hydroxy group, an alkoxy group, acyloxy group, alkylcarbonyl group, alkoxycarbonyl group or --NR".sub.2 ;R" is H, alkyl or aryl;Z=CO or CHR.sup.4, wherein R.sup.4 is H, alkyl, aryl or alkylaryl; andwherein a=1, 2 or 3;b=0, 1 or 2;with the proviso that a+b necessarily=3;and c=1, 2, 3 or 4;and d=0 or 1.
Abstract:
Ionic compounds represented by general formula (I), method of their production, olefin polymerization catalyst components, and olefin polymerization catalysts containing the components are provided.�M(R.sup.1).sub.k (R.sup.2).sub.1 (R.sup.3).sub.m (R.sup.4 -L).sub.n !.sup.- �D!.sup.+ (I)(wherein, M is an element belonging to the Group 13; R.sup.1, R.sup.2 and R.sup.3 are pentafluorophenyl, etc., R.sup.4 is a substituted phenylene group, etc., k, l and m being each 0 or an integer of 1 to 3, and n being an integer of 1 to 4 such that k+l+m+n=4; L is trichlorosilyl, methyldichlorosilyl, dimethylchlorosilyl group, etc.; and D is a monovalent cation). The catalyst of this invention, which is used in combination with the ionic compound of this invention, a carrier, an organometal compound and a Group 4, 5 or 6 transition metal compound, has high activity so that polymerization of olefins by a slurry process, a gas phase process or the like using the catalyst gives rise to a polymer having good powder characteristics and attachment of the polymer to the reactor is minimized.
Abstract:
The present invention pertains to molecular and oligomeric organo-silicon compounds bearing fluorine atoms, soluble in fluorinated solvents and useful as precursors to network materials.