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    • 32. 发明授权
    • Propylene copolymers grafted using free radical initiators
    • 使用自由基引发剂接枝的丙烯共聚物
    • US5451639A
    • 1995-09-19
    • US208845
    • 1994-03-11
    • Bernd L. MarczinkeJuergen KerthPatrik MuellerHorst BaumgartlPeter Ittemann
    • Bernd L. MarczinkeJuergen KerthPatrik MuellerHorst BaumgartlPeter Ittemann
    • C08F8/46C08F255/02C09J151/06D01F6/30
    • D01F6/30C08F255/02C09J151/06
    • Propylene copolymers grafted with .alpha.,.beta.-ethylenically unsaturated carboxylic acids or carboxylic acid derivatives and consisting ofa.sub.1) a random propylene copolymer (A.sub.1) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.2) a propylene copolymer (A.sub.2) comprising a random propylene copolymer (I) containing from 0.1 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes and a random propylene copolymer (II) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes or ofa.sub.3) a propylene copolymer (A.sub.3) comprising a propylene homopolymer (III) and a random propylene copolymer (IV) containing from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alk-1-enes,are obtainable by reacting the monomer to be grafted with the propylene copolymer (A.sub.1), (A.sub.2) or (A.sub.3) at from 1 to 300 bar, from 0.01 to 1.0% by weight of the monomer to be grafted, where both stated concentrations are based on the propylene copolymer, being added to the molten propylene copolymer in the presence of from 0.005 to 0.5% by weight of a free radical initiator and the grafting reaction being carried out at from 200.degree. to 350.degree. C.
    • 由α,β-烯键式不饱和羧酸或羧酸衍生物接枝的丙烯共聚物,由a1)无规丙烯共聚物(A1)组成,该无规丙烯共聚物(A1)含有0.1至15重量%的聚合的C2-C10-烷-1-烯或a2 )包含含有0.1至15重量%的聚合的C 2 -C 10 - 烷-1-烯的无规丙烯共聚物(I)和含有15至80重量%的无规丙烯共聚物(II)的丙烯共聚物(A2) 的聚合的C 2 -C 10 - 烷-1-烯或a 3)包含丙烯均聚物(III)和无规丙烯共聚物(IV)的丙烯共聚物(A3),其含有15至80重量%的聚合的C 2 -C 10 - 可以通过将待接枝的单体与丙烯共聚物(A1),(A2)或(A3)以1至300巴反应,0.01至1.0重量%的待接枝的单体 ,其中两个所述的浓度都是基于丙烯共聚物,加入到熔融丙烯共聚物中 为自由基引发剂的0.005〜0.5重量%,接枝反应为200〜350℃。
    • 33. 发明授权
    • Instrument for polarographic potentiometric, thermal and like
measurements and a method of making the same
    • 用于极谱电位,热和类似测量的仪器及其制作方法
    • US4217194A
    • 1980-08-12
    • US746328
    • 1976-12-01
    • Dietrich W. LubbersHorst BaumgartlYukio Saito
    • Dietrich W. LubbersHorst BaumgartlYukio Saito
    • G01R1/067G01N27/07G01N27/30C23C15/00G01N27/36
    • G01N27/30
    • A probe having a measuring device for polarographic, potentiometric, ther and like measurements has a high-resistance transducer which is provided with leads. A body of insulating material is arranged about the transducer and a metal-containing body is arranged about the insulating material. The metal-containing body includes a metal layer which is essentially free of pores and essentially impervious to the diffusion of liquid therethrough and which thus seals the insulating material against contamination by foreign matter. A metal layer which is essentially free of pores and essentially impervious to the diffusion of liquid therethrough may be formed by sputtering the metal onto a substrate using a high-frequency field at an output of 10 to 40 watts per square centimeter of target surface, the sputtering operation being carried out for a period of 5 to 10 minutes in an Ar atmosphere having a pressure of 8 .times.10.sup.-4 torr. An insulating layer may be formed by sputtering an insulating material onto a substrate using a high-frequency field and an atmosphere made up of a protective gas and a reactive gas having partial pressures such that the total pressure of the atmosphere is 8 .times.10.sup.-4 torr.
    • 具有用于极谱,电位,热和类似测量的测量装置的探针具有带有引线的高电阻换能器。 围绕换能器布置绝缘材料体,并且围绕绝缘材料布置含金属体。 含金属的主体包括基本上不含孔的金属层,并且基本上不透液体的扩散通过其中,从而密封绝缘材料免受异物的污染。 基本上不含孔并且基本上不透液体的扩散的金属层可以通过使用在每平方厘米目标表面10至40瓦的输出处的高频场将金属溅射到衬底上而形成, 在压力为8×10 -4乇的Ar气氛中进行5〜10分钟的溅射操作。 可以使用高频场和由保护气体和具有分压的反应气体组成的气氛将绝缘材料溅射到基底上而形成绝缘层,使得气氛的总压力为8×10 -4乇 。