Biodegradable polymers, the production thereof and use thereof for
producing biodegradable moldings
    32.
    发明授权
    Biodegradable polymers, the production thereof and use thereof for producing biodegradable moldings 有权
    生物可降解聚合物,其生产方法和用于生产可生物降解的模制品的用途

    公开(公告)号:US6114042A

    公开(公告)日:2000-09-05

    申请号:US395773

    申请日:1999-09-14

    摘要: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of(a1) a mixture consisting essentially offrom 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, andfrom 0 to 5 mol % of a sulfonate compound,the sum of the individual mole percentages being 100 mol %, and(a2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1,with the proviso that the polyesters P1 have a molecular weight (M.sub.n) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25.degree. C.) and a melting point within the range from 50 to 170.degree. C. and with the further proviso that the polyesters P1 are prepared using from 0.01 to 5 mol %, based on the molar quantity used of component (a1), of a compound D having at least three groups capable of ester formation,and further biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, use thereof for producing biodegradable moldings, and adhesives, biodegradable moldings, foams and blends with starch obtainable from the polymers or molding compositions of the present invention.

    摘要翻译: 可生物降解的聚酯P1可通过基本上由(a1)基本上由35-95mol%的己二酸或其酯形成衍生物或其混合物组成的混合物,混合物,5-65mol%的对苯二甲酸或酯 和0-5mol%的磺酸盐化合物,各摩尔百分数之和为100mol%,和(a2)选自C 2 -C 6烷二醇的二羟基化合物 和C 5 -C 10 - 环烷二醇,(a1)至(a2)的摩尔比选择在0.4:1至1.5:1的范围内,条件是聚酯P1的分子量(Mn)在 5000至50,000g / mol,粘度数在30至350g / ml的范围内(在25℃下在50:50w / w二氯苯/苯酚中的浓度为聚酯P1的0.5重量%测量)和 熔点在50至170℃的范围内,进一步的条件是 基于组分(a1)使用的摩尔量,具有至少三个能够进行酯形成的基团的化合物D,以及进一步的可生物降解的聚合物和热塑性模塑组合物的方法,使用0.01至5mol%的聚酯P1 用于制备可生物降解的模制品的用途,以及可从本发明的聚合物或模塑组合物获得的粘合剂,可生物降解的模制品,泡沫和与淀粉的共混物。

    Preparation of homopolymers and copolymers of ethene by Phillips
catalysis
    34.
    发明授权
    Preparation of homopolymers and copolymers of ethene by Phillips catalysis 失效
    通过菲利普斯催化制备乙烯的均聚物和共聚物

    公开(公告)号:US4728703A

    公开(公告)日:1988-03-01

    申请号:US28651

    申请日:1987-03-20

    IPC分类号: C08F2/24 C08F4/22 C08F10/02

    CPC分类号: C08F10/02 C08F2410/01

    摘要: Ethene polymers are prepared by Phillips catalysis using (1) a supported catalyst which is loaded with chromium and titanium and (2) a co-catalyst, (1) having been obtained by preparing (1.1) a chromium- and titanium-loaded catalyst intermediate from (1.1.a) a silicate carrier material, (1.1.b) a selected chromium compound and (1.1.c) a selected titanium compound and then (1.2) heating said catalyst intermediate in an oxygen-containing gas stream, the (1) used having been obtained by, in general terms, (1.1) preparing in the first stage (1.1.1) a suspension from (1.1.1.1) a finely divided silicate carrier material and (1.1.1.2) a liquid alkane, (1.1.2) then (1.1.2.1) combining the suspension resulting from (1.1.1.) with (1.1.2.2.) a finely divided chromium trioxide, (1.1.3) thereupon (1.1.3.1) combining the suspension obtained from (1.1.2) with (1.1.3.2) an alkanol, (1.1.4) thereafter (1.1.4.1) combining the suspension formed in (1.1.3) with (1.1.4.2) a titanium compound of the formula Ti(OR).sub.4, where R is alkyl, aryl or cycloalkyl, and (1.1.5) finally evaporating the suspension obtained in (1.1.4) to dryness, and then (1.2) in the second stage first (1.2.1) treating the catalyst intermediate obtained in the first state (1.1) with a nitrogen stream, thereupon (1.2.2) heating the intermediate obtained in (1.2.1) in an oxygen-containing gas stream, and finally (1.2.3) treating the intermediate obtained in (1.2.2) with a nitrogen stream; and as (2) with an alkyllithium.

    摘要翻译: 通过菲利普斯催化法,使用(1)载有铬和钛的载体催化剂和(2)助催化剂制备乙烯聚合物,(1)通过制备(1.1)载有铬和钛的催化剂中间体 从(1.1.a)硅酸盐载体材料,(1.1b)选择的铬化合物和(1.1.c)所选择的钛化合物,然后(1.2)在含氧气流中加热所述催化剂中间体,(1 )(1.1)在第一阶段(1.1.1)中制备了(1.1.1.1)细分硅酸盐载体材料和(1.1.1.2)液体烷烃(1.1 (1.1.2.1)将由(1.1.1。)得到的悬浮液与(1.1.2.2。)细碎的三氧化铬(1.1.3)(1.1.3.1)组合,得到的悬浮液 1.1.2)与(1.1.3.2)链烷醇(1.1.4)(1.1.4.1)将(1.1.3)中形成的悬浮液与(1.1.4.2)结合形成式 Ti(OR)4,其中R是烷基,芳基或环烷基,和(1.1.5)最终将(1.1.4)中得到的悬浮液蒸发至干,然后在第二阶段(1.2.1)中蒸发(1.2) 用氮气流处理在第一状态(1.1)中获得的催化剂中间体,随后(1.2.2)在含氧气流中加热(1.2.1)中获得的中间体,最后(1.2.3)处理 (1.2.2)中获得的中间体与氮气流; 和(2)与烷基锂反应。

    Preparation of a transition metal catalyst component for Ziegler
catalyst systems
    35.
    发明授权
    Preparation of a transition metal catalyst component for Ziegler catalyst systems 失效
    制备齐格勒催化剂体系的过渡金属催化剂组分

    公开(公告)号:US4568659A

    公开(公告)日:1986-02-04

    申请号:US666541

    申请日:1984-10-30

    CPC分类号: C08F10/00

    摘要: A transition metal catalyst component (1) for Ziegler catalyst systems is prepared by (1.1) first combining (1.1.1) an inorganic oxidic substance (I), as the carrier, with (1.1.2) a solution (II) consisting of (IIa) an organic solvent and (IIb) a transition metal composition to form a suspension (III), evaporating down this suspension to form a solid-phase intermediate (IV) and (1.2) then combining (1.2.1) the solid-phase intermediate (IV) obtained from (1.1) with (1.2.2) a solution of an organoaluminum compound (V) to form a suspension, the resulting suspended solid-phase products (VI) being the transition metal catalyst component (1).The characteristic feature is that the solution (II) employed in stage (1.1) consists of (IIa) a certain oxahydrocarbon and (IIb) a mixture of (IIb1) a vanadium trichloride/alcohol complex, (IIb2) a titanium trihalide and (IIb3) a zirconium tetrahalide.

    摘要翻译: 用于齐格勒催化剂体系的过渡金属催化剂组分(1)通过(1.1)首先将作为载体的无机氧化物质(I)与(1.1.2)由 (IIa)有机溶剂和(IIb)过渡金属组合物以形成悬浮液(III),将该悬浮液蒸发以形成固相中间体(IV)和(1.2),然后将(1.2.1) 由(1.1)与(1.2.2)得到的相变中间体(Ⅳ)与有机铝化合物(Ⅴ)的溶液形成悬浮液,得到的悬浮固相产物(Ⅵ)为过渡金属催化剂组分(ⅰ)。 特征在于,(1.1)中使用的溶液(II)由(IIa)某种氧杂烃和(IIb)(IIb1)三氯化钒/醇络合物,(IIb2)三卤化钛和(IIb3)的混合物 )四卤化锆。