摘要:
A process for producing a solid titanium trichloride catalyst which comprisesat a temperature of -40.degree. C. to 40.degree. C. mixing titanium tetrachloride with an organo-aluminum compound of the formula (I):AlR.sub.n X.sub.3-n (I) wherein R has up to 10 carbon atoms and is an aliphatic hydrocarbon group which may be straight chain, branched chain or cyclic, or an aromatic hydrocarbon group; X is a halogen atom or a hydrogen atom; and n is a number satisfying the relation, 1.5.ltoreq.n.ltoreq.3; in the presence of an ether compound of the formula (II):R.sup.2 OR.sup.3 (II) wherein R.sup.2 and R.sup.3, which may be the same or different, each is an alkyl group, an aralkyl group or an alkenyl group, each having up to 10 carbon atoms, to reduce the titanium tetrachloride; maintaining the mixed solution at a temperature of 10.degree. C. to 50.degree. C. thereby performing the reduction;at the time when the reduction reaction proceeds at least 90%, adding iodine to the resulting liquid titanium trichloride product;maintaining the resulting mixture at a temperature of about 30.degree. C. to about 150.degree. C. after the addition thereby precipitating solid titanium trichloride; andthen separating the solid titanium trichloride.
摘要翻译:一种制备固体三氯化钛催化剂的方法,其包括在-40℃至40℃的温度下,将四氯化钛与式(I)的有机铝化合物:其中R具有的AlRnX 3-n(I) 最多10个碳原子,并且是可以是直链,支链或环状的脂族烃基或芳族烃基; X是卤素原子或氢原子; 并且n是满足关系式的数,1.5 i = 3; 在式(II)的醚化合物的存在下:R 2 OR 3(II)其中R 2和R 3可以相同或不同,各自为烷基,芳烷基或烯基,每个具有至多10个 碳原子,以减少四氯化钛; 将混合溶液保持在10℃至50℃的温度,从而进行还原; 当还原反应进行至少90%时,向得到的液体三氯化钛产物中加入碘; 在加入后将所得混合物保持在约30℃至约150℃的温度,由此沉淀出固体三氯化钛; 然后分离固体三氯化钛。
摘要:
A method for preparing a solid catalyst comprising reacting a titanium trichloride composition with a mixture of(1) an ether compound and carbon atom and represented by the general formula (IV): ##STR1## wherein R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each has up to 18 carbon atoms and represents an aliphatic hydrocarbon group, which may be straight chain, branched chain or cyclic, or an aromatic hydrocarbon group, with at least one of R.sup.5, R.sup.6 and R.sup.7 being an aromatic hydrocarbon group, with at least one of R.sup.5, R.sup.6 and R.sup.7 being an aromatic hydrocarbon group, the amount of the hydrocarbon compound being about 0.01 to about 10 moles per mole of titanium trichloride in the titanium trichloride composition; and/or(2) (b) an organic sulfur compound represented by the general formulas (VI) and (VIII):R.sup.9 --S--S--R.sup.10 (V)HS--(CH.sub.2).sub.d --SH (VI)wherein each of R.sup.9 and R.sup.10 has up to 18 carbon atoms and represents an aliphatic hydrocarbon group, which may be straight chain, branched chain or cyclic, or an aromatic hydrocarbon group, where R.sup.9 and R.sup.10 may be the same or different; and d is an integer of 2 to 8, the amounts of the organic sulfur compounds represented by the formulas of (VI) and (VII) being about 0.05 to about 1.0 mole and about 0.001 to about 0.2 mole per mole of titanium trichloride in the titanium trichloride composition, respectively.The catalyst, in combination with organoaluminum compounds as activators, being useful to polymerize olefins for the efficient production of highly crystalline olefin polymers.
摘要:
A solid catalyst for polymerization of olefins prepared by treatment of a titanium trichloride composition with a mixture of (1) a halogen, an interhalogen compound or a halogenated hydrocarbon compound, and (2) an ether which, in combination with organoaluminum compounds as activators, can be used to polymerize olefins for the efficient production of highly crystalline olefin polymers.
摘要:
A process for producing a solid titanium trichloride catalyst which comprisesat a temperature of -40.degree. C. to 40.degree. C. mixing titanium tetrachloride with an organo-aluminum compound of the formula (I):AlR.sub.n X.sub.3-n (I) wherein R has up to 10 carbon atoms and is an aliphatic hydrocarbon group which may be straight chain, branched chain or cyclic, or an aromatic hydrocarbon group; X is a halogen atom or a hydrogen atom; and n is a number satisfying the relation, 1.5.ltoreq.n.ltoreq.3; in the presence of an ether compound of the formula (II):R.sup.2 OR.sup.3 (II) wherein R.sup.2 and R.sup.3, which may be the same or different, each is an alkyl group, an aralkyl group or an alkenyl group, each having up to 10 carbon atoms, to reduce the titanium tetrachloride; maintaining the mixed solution at a temperature of 10.degree. C. to 50.degree. C. thereby performing the reduction;at the time when the reduction reaction proceeds at least 90%, adding iodine to the resulting liquid titanium trichloride product;maintaining the resulting mixture at a temperature of about 30.degree. C. to about 150.degree. C. after the addition thereby precipitating solid titanium trichloride; and then separating the solid titanium trichloride.
摘要翻译:一种制备固体三氯化钛催化剂的方法,其包括在-40℃至40℃的温度下,将四氯化钛与式(I)的有机铝化合物:其中R具有的AlRnX 3-n(I) 最多10个碳原子,并且是可以是直链,支链或环状的脂族烃基或芳族烃基; X是卤素原子或氢原子; 并且n是满足关系式的数,1.5 i = 3; 在式(II)的醚化合物的存在下:R 2 OR 3(II)其中R 2和R 3可以相同或不同,各自为烷基,芳烷基或烯基,每个具有至多10个 碳原子,以减少四氯化钛; 将混合溶液保持在10℃至50℃的温度,从而进行还原; 当还原反应进行至少90%时,向得到的液体三氯化钛产物中加入碘; 在加入后将所得混合物保持在约30℃至约150℃的温度,由此沉淀出固体三氯化钛; 然后分离固体三氯化钛。
摘要:
A solid catalyst for polymerization of olefins prepared by treatment of a titanium trichloride composition with a mixture of (1) a halogen, an interhalogen compound or a halogenated hydrocarbon compound, and (2) an ether which, in combination with organoaluminum compounds as activators, can be used to polymerize olefins for the efficient production of highly crystalline olefin polymers.
摘要:
A catalyst system comprising(A) a halogen compound of trivalent titanium,(B) an organo-aluminum compound of the formula,R.sub.3-(m+n) AlY.sub.m X.sub.n whereinY is a group having at least one of oxygen, nitrogen, sulfur and phosphorus atoms linked to the aluminum atom, R is a hydrogen atom, an alkyl having 1 to 18 carbon atoms, an alkenyl having 2 to 18 carbon atoms, a cycloalkyl having 3 to 18 carbon atoms, an aryl having 6 to 18 carbon atoms, or an aralkyl having 7 to 18 carbon atoms,X is a halogen atom, and m and n are numbers satisfying the equations, 0
摘要:
.alpha.-Olefin polymers of high stereoregularity are prepared by polymerizing the .alpha.-olefin with a catalyst prepared by mixing components (A), (B) and (C):(A) a solid titanium component prepared from an organo-magnesium compound, a silicon halide compound and/or an aluminum halide compound, an electron donor and TiCl.sub.4,(B) an organoaluminum activator, and(C) an electron donor.
摘要:
A process for producing an olefin polymer by polymerizing an olefin with a catalyst system comprising an organoaluminum compound and a supported catalyst component prepared by using as the carrier a solid product obtained by the reaction of an organomagnesium compound with an aluminum halide compound and/or a silicon halide compound, by heating a liquid ether complex of titanium trichloride in the presence of said carrier, and further reacting the resulting titanium trichloride-containing solid product with titanium tetrachloride. By this process, the olefin polymer having a broad molecular weight distribution suitable for flow molding or extrusion molding is produced.
摘要:
A catalyst system prepared by mixing components (A), (B) and (C):(A) a solid titanium component prepared from an organo-magnesium compound, a silicon halide compound and/or an aluminum halide compound, an electron donor and TiCl.sub.4,(B) an organoaluminum activator, and(C) an electron donor.
摘要:
A process for producing .alpha.-olefin polymers of a high stereoregularity which comprises homopolymerizing an .alpha.-olefin having 3 to 10 carbon atoms or copolymerizing said .alpha.-olefin with other olefins of the same group or with ethylene using a catalyst system comprising three components (A), (B) and (C):(A) a solid catalyst produced by reaction among a solid product described below, a compound group (III) comprising at least one compound having an O--C.dbd.O linkage and at least one compound having at least one member selected from C--O--H, C--O--C, C--N, C.tbd.N, N--O--C, P--O--C, P--N--C, C--S--H, C--S--C, S--O--C and P--S--C linkages, and a titanium compound having at least one titanium-halogen linkage, said solid product being prduced by reacting an organo-magnesium compound with at least one of the following halogen-containing compounds (I) and (II),(I) a halogeno-silicon compound of the formula, R.sub.n SiX.sub.4-n (in which R is a hydrocarbon group having 1 to 8 carbon atoms, X is a halogen atom and n is a number satisfying the equation, 0.ltoreq.n
摘要翻译:一种制备高立构规整性的α-烯烃聚合物的方法,其包括使具有3至10个碳原子的α-烯烃均聚或使用包含三种组分的催化剂体系(A ),(B)和(C):(A)通过下述固体产物之间的反应生成的固体催化剂,包含至少一种具有OC = O键的化合物的化合物组(III)和至少一种具有 选自COH,COC,CN,C 3BOND N,NOC,POC,PNC,CSH,CSC,SOC和PSC键的至少一种成员和具有至少一个钛 - 卤素键的钛化合物,所述固体产物通过 具有下述卤素化合物(I)和(II)中的至少一种的有机镁化合物,(I)下式的卤代硅化合物,R n SiX 4-n(其中R是烃基,具有1〜 8个碳原子,X是卤素原子,n 是满足方程式的数,0 <= n <4),(II)式为R 1 AlX 3 -1的卤代铝化合物(其中R是具有1至8个碳原子的烃基,X是卤素 原子和l是满足式(1)的数,0≤l≤3),(B)式R活化剂RmAlY3-m(其中R为碳原子数为1〜8的烃基,Y为 卤原子或氢原子,当Y为卤素原子时,m为满足式2,m为3的数,当Y为氢原子时,m为满足式2的数 (C)至少一个具有至少一个氮,氧,磷或硫原子的电子给体。