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公开(公告)号：US3141865A
公开(公告)日：1964-07-21
申请号：US66539857
申请日：1957-06-13
申请人： ALLIED CHEM
发明人： MCEVOY RICHARD T
CPC分类号： B29C44/36 , B29B7/408 , B29C44/3442
摘要： A mixing apparatus and process (see Division B1) may be used for the continuous preparation of low-density flexible polyurethane foams. In an example a polyisocyanate is added to a mixture of polyol, water, catalyst, emulsifier and colourant. The polyisocyanate was a mixture of m-tolylene diisocyanate containing 80% of the 2, 4 isomer and 20% of the 2, 6 isomer; the polyol was prepared by copolymerizing adipic acid with a glycol and a triol. The emulsifier was a polyethylene glycol ricinoleate; the catalyst, N-methyl morpholine, and the colourant a copper phthalocyanine filter cake. 2250 G/min of polyol premix and 900 G/min tolylene diisocyanate mixture were supplied to the mixer which was operated at 4,000 r.p.m. with residence time of 1 sec. The volume of the discharged reaction mixture increased 46-fold after 1 minute, and after curing provided a foam of density 1.6 lb./cu. ft. In another example the polyisocyanate and polyol components were pre-mixed and partially reacted to form a pre-polymer which was afterwards mixed with a catalyst mixture. The polyol was a mixture of adipic acid and diethylene glycol, and the polyisocyanate and catalyst were the same as in the first example. The pre-polymer was prepared by mixing 390 parts of tolylene diisocyanate mixture and 1,000 parts of the polyol and agitating for 30 minutes under an atmosphere of carbon dioxide. 2,840 G/min. of the pre-polymer and 200 G/min. of catalyst were supplied to the mixer under the same conditions as before. Volume expansion of the product was 35 fold and the cured foam has a density of 2.1 lb/cu. ft.
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公开(公告)号：US20150055434A1
公开(公告)日：2015-02-26
申请号：US14384022
申请日：2013-04-02
申请人： LISEC Austria GmbH
发明人： Leopold Mader
CPC分类号： B01F5/0681 , B01F3/12 , B01F7/00775 , B01F7/008 , B01F7/00808 , B01F7/00816 , B01F7/00825 , B01F7/00833 , B01F15/00058 , B01F2215/006 , B05B1/34 , B05B7/0408 , B29B7/407 , B29B7/408 , B29B7/7442 , B29B7/7657 , B29B7/805
摘要： A device for mixing at least two fluid to pasty substances has a housing (2) with at least two openings (5, 6) for feeding the substances and with a discharge opening (8), a mixing element (3) which can rotate in the housing (2), which mixing element (3) can be displaced in the direction (17) of its axis (7) in relation to the housing (2) in order to adjust the size of a gap (18) between a conically tapering part (14) of the mixing element (3) and a likewise tapering region (15) of the housing (2) in order to adjust the shear rate in the region of the gap (18). The mixing element (3) has a region (9) in which annular ribs (11) are provided which project from the mixing element (3) and which engage between adjacent annular ribs (12) which project from the inner surface (10) of the housing (2).
摘要翻译： 用于将至少两种流体与糊状物质混合的装置具有壳体（2），其具有用于供给物质的至少两个开口（5,6），以及排出口（8），可以旋转的混合元件（3） 所述壳体（2），所述混合元件（3）可以相对于所述壳体（2）在其轴线（7）的方向（17）上移位，以便调整锥体（18）之间的间隙（18）的尺寸 为了调节间隙（18）的区域中的剪切速率，混合元件（3）的锥形部分（14）和壳体（2）的同样的锥形区域（15）。 混合元件（3）具有区域（9），其中设置有环形肋（11），其从混合元件（3）突出并且与从内表面（10）突出的相邻环形肋（12） 外壳（2）。
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公开(公告)号：US3881871A
公开(公告)日：1975-05-06
申请号：US34525373
申请日：1973-03-27
申请人： UPJOHN CO
发明人： PORTER LAWRENCE C
CPC分类号： B29B7/408 , B29B7/7466 , Y10S366/604 , Y10S521/917
摘要： Methods and apparatus are disclosed for continuous mixing of formulations for urethane products. Substantially all of the components are supplied to a mixer which includes a preblend and a mixer section. In the preblend section, various chemicals are mixed in a selected sequence to provide a hydroxyl mixture which is continuously supplied to a mixer section where an isocyanate is added. In both the preblend and mixer sections, transverse shearing and agitation means are provided. The degree of agitation is varied along the length of the mixer, (which is operated at a constant speed) by varying the shearing pin configuration. The flow path through the mixer is arranged to control pressure on the fluid as well as minimize the tendency of internal foam build-up to occur. Means are provided to determine the swirl angle of the output and, hence, the vane inclination at the discharge. Thus, turbulence at the discharge is minimized. Different discharge means are illustrated for different formulations. The mixer provides versatility in inputs to accommodate various formulations including polyester and polyether hydroxyls. In alternative forms, means are provided for selectively controlling back pressure in the preblend and mixer sections, and the different discharge means include vane locations for controlling the acceleration of the fluids and a flared discharge opening for watery formulations.
摘要翻译： 公开了连续混合聚氨酯产品制剂的方法和装置。 基本上所有的组分被提供给包括预混物和混合器部分的混合器。 在预混物部分中，各种化学品以选定的顺序混合以提供连续供给到加入异氰酸酯的混合器部分的羟基混合物。 在预混合器和混合器部分中，提供横向剪切和搅拌装置。 通过改变剪切销的结构，搅拌器的程度沿混合器的长度变化（其以恒定的速度运行）。 通过混合器的流动路径被布置成控制流体上的压力，并且最小化发生内部泡沫聚集的趋势。 设置装置以确定输出的旋转角度，并因此确定放电时的叶片倾斜度。 因此，放电时的湍流最小化。 针对不同的配方说明了不同的排出装置。 混合器提供输入的多功能性，以适应包括聚酯和聚醚羟基在内的各种配方。 在替代形式中，提供了用于选择性地控制预混合器和混合器部分中的背压的装置，并且不同的排出装置包括用于控制流体加速度的叶片位置和用于水性制剂的扩口排放口。
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公开(公告)号：US20180079120A1
公开(公告)日：2018-03-22
申请号：US15272465
申请日：2016-09-22
申请人： Jeffrey A. Myers
发明人： Jeffrey A. Myers
CPC分类号： B29B7/407 , B29B7/408 , B29B7/421 , B29B7/423 , B29B7/429 , B29B7/7461 , B29B7/82 , B29C48/375 , B29C48/397 , B29C48/768
摘要： A plastic melt machine includes a feed screw rotatably mounted in a barrel and driven in rotation about a longitudinal screw axis of the feed screw by a screw drive to plasticize material, and an apparatus for driving a device independently of the feed screw. The device can be any rotatable device associated with the feed screw wherein the device is rotatable about a drive axis and is in fluid communication with the barrel to receive the plasticized material. The drive axis is one of parallel to and offset from the screw axis and extending at an angle relative to the screw axis. A drive shaft couples the device to the device drive for rotating the device independently of the rotation of the feed screw by the screw drive.
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公开(公告)号：US06305831B1
公开(公告)日：2001-10-23
申请号：US09561471
申请日：2000-04-28
IPC分类号： B29B710
CPC分类号： B29C47/60 , B29B7/408 , B29C47/0009 , D01D1/065
摘要： An apparatus for mixing and advancing a polymer melt, which includes a mixer and a conveying device. The mixer comprises a tubular mixing shaft (outer shaft) and an inner mixing shaft (inner shaft). The tubular outer shaft is arranged in surrounding relationship with the inner mixing shaft. Both mixing shafts extend in cantilever fashion into a mixing chamber, and a passageway is formed at the front end between the mixing chamber wall and the free end of the outer shaft, so that the mixing chamber is divided into an inner mixing chamber (inner chamber) and an outer mixing chamber (outer chamber), which are interconnected via the passageway. A melt inlet and a melt outlet are arranged in such a manner that the melt flow advances through the inner chamber and the outer chamber in opposite directions.
摘要翻译： 一种用于混合和推进聚合物熔体的装置，其包括混合器和输送装置。 混合机包括管状混合轴（外轴）和内混合轴（内轴）。 管状外轴与内部混合轴呈周围关系。 两个混合轴以悬臂方式延伸到混合室中，并且在混合室壁和外轴的自由端之间的前端处形成通道，使得混合室被分成内部混合室 ）和通过通道相互连接的外部混合室（外部室）。 熔体入口和熔体出口以这样的方式设置，使得熔体流在相反方向前进通过内室和外室。
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公开(公告)号：US3222134A
公开(公告)日：1965-12-07
申请号：US21469062
申请日：1962-08-03
发明人： PETERSON FRED D
CPC分类号： B29B7/7414 , B29B7/408
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公开(公告)号：US5026820A
公开(公告)日：1991-06-25
申请号：US336389
申请日：1989-04-11
摘要： Disclosed is a process for continuously mixing two liquid components, whose one liquid component is a two-liquid curing type resin which comprises continuously supplying one liquid component under stirring into a mixing container and pouring the other liquid component into said container by pushing open a needle forcibly provided to a check valve, the improvement wherein said needle is pushed open with a non-curing liquid, thereafter, a curing liquid is poured into said mixing container. According to the present invention, when, for example, a polyamide acid and a curing agent are caused to mix and react with each other, a transparent polyimide mixed uniformly is obtained and high quality molded articles of polyimide are provided therefrom.
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公开(公告)号：US4976547A
公开(公告)日：1990-12-11
申请号：US499212
申请日：1990-03-19
IPC分类号： B29B7/40
CPC分类号： B29B7/408
摘要： Disclosed is a continuous two-liquid type mixer comprising:a cylindrical container having an liquid inlet at one end and an outlet at the other end;rows of stationary stirring blades on the inside of said cylindrical container protruding substantially radially on the same periphery;a rotor to rotate about the same axis and housed in said cylindrical container; androws of rotary stirring blades on the outside of said rotor protruding substantially radically on the same periphery in an alternate relation with said rows of stationary stirring blades on the inside of said cylindrical container, wherein at least one liquid injection inlet is provided on either or both of said stirring blades on said liquid inlet side. According to the present invention, even highly viscous liquids can be mixed quickly and uniformly and troubles caused by ununiform mixing can be solved without fail.
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公开(公告)号：US3938783A
公开(公告)日：1976-02-17
申请号：US345297
申请日：1973-03-27
申请人： Lawrence C. Porter
发明人： Lawrence C. Porter
CPC分类号： B29B7/408
摘要： Methods and apparatus are disclosed for continuous mixing of formulations for urethane products. A hydroxyl mixture and isocyanate, the major foam components, are supplied to a mixer. In the mixer, the components are mixed by transverse shearing and agitation means. The degree of agitation is varied along the length of the mixer, which runs at a constant speed, by varying the shearing pin configuration. The flow path through the mixer is arranged to control pressure on the fluid as well as minimize the tendency of internal foam build-up to occur.
摘要翻译： 公开了连续混合聚氨酯产品制剂的方法和装置。 羟基混合物和主要泡沫组分的异氰酸酯供应到混合器中。 在混合器中，组分通过横向剪切和搅拌装置混合。 通过改变剪切销配置，搅拌程度沿混合器的长度变化，混合器的长度以恒定的速度运行。 通过混合器的流动路径被布置成控制流体上的压力，并且最小化发生内部泡沫聚集的趋势。
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公开(公告)号：US4833175A
公开(公告)日：1989-05-23
申请号：US222471
申请日：1988-07-21
申请人： Gary W. Boyce
发明人： Gary W. Boyce
CPC分类号： B29B7/408 , B01F5/0451 , B01F7/0075 , B29B7/7423 , B29C44/3442 , B29K2083/00 , Y10S264/05 , Y10S521/917
摘要： Viscous liquids containing polymeric materials which will interact with one another upon contact and generate gas for foam expansion are intimately and homogeneously mixed in a very short period of time by passing them successively and continuously through first and second rotary dynamic shearing mixers, the first mixer being considerably smaller than the second mixer, and the mixture experiencing a brief period of respite from shearing between the two mixers. The mixture experiences a much higher degree of shear in the first mixer, where the heat necessary for promoting the reaction is provided through the shearing action but without creating localized hot-spots. The process is particularly well suited for the preparation of foamed polydiorganosiloxanes, on a continuous, commercial scale.
摘要翻译： 含有聚合材料的粘性液体在接触时彼此相互作用并产生用于泡沫膨胀的气体在非常短的时间内通过第一和第二旋转动态剪切混合器相继连续地通过它们而被均匀地混合，第一混合器是 比第二混合器小得多，并且混合物在两个混合器之间经历短暂的剪切期间的剪切。 混合物在第一混合器中经历更高程度的剪切，其中通过剪切作用提供促进反应所需的热量，但不产生局部热点。 该方法特别适用于以连续的商业规模制备泡沫聚二有机硅氧烷。
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