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    • 3. 发明申请
    • CELLULOSE FIBRE
    • 纤维素纤维
    • WO1997007267A1
    • 1997-02-27
    • PCT/AT1996000147
    • 1996-08-16
    • LENZING AKTIENGESELLSCHAFTSEIDL, SigridFIRGO, Heinrich
    • LENZING AKTIENGESELLSCHAFT
    • D01F02/00
    • D01F2/00D06M13/248D06M13/278
    • The invention relates to a process for producing cellulose fibres by the amine oxide process in which a solution of cellulose is spun in an aqueous tertiary amine oxide into fibres and the fibres are brought into contact with a cross-linking agent, in which said cross-linking agent is a sulphonium compound of formula (I) in which R1 is CH2CH2Z, alkyl, aryl, substituted alkyl or a heterocycle, Z is halogen, sulphato, thiosulphato, phosphato or hydroxy and Y is an anion, and/or a sulphonium compound of formula (II) in which OW is the radical of a polybasic acid in salt or acid form and R2 is CH2CH2OW, alkyl, aryl, substituted alkyl or a heterocycle.
    • 本发明涉及一种用于生产由氧化胺处理的纤维素纤维的方法,在该方法中纺丝纤维素在水性叔胺氧化物中的溶液到纤维和纤维与交联剂接触,并且其特征在于,作为交联剂锍的 式(I)其中R1 CH2CH2Z,烷基,芳基,取代的烷基或杂环,Z是卤素,硫酸根,硫代硫酸根,磷酸根或羟基,并且Y < - >是阴离子,和/或下式的锍化合物(II )其中,是以盐或酸形式的OW多元酸的残基,和R 2 CH2CH2OW,烷基,芳基,取代的烷基或杂环装置使用。
    • 8. 发明申请
    • PROCESS FOR MANUFACTURING CELLULOSE MOULDED BODIES
    • 方法制备纤维素状体
    • WO1996007779A1
    • 1996-03-14
    • PCT/AT1995000174
    • 1995-09-04
    • LENZING AKTIENGESELLSCHAFTRÜF, Hartmut
    • LENZING AKTIENGESELLSCHAFT
    • D01F02/00
    • D01F2/00
    • In a process for manufacturing cellulose moulded bodies, cellulose is dissolved in a mixture of a tertiary amine oxide and a non-solvent for cellulose, for example water, the solution is extruded through a shaping tool and the thus obtained filaments are drawn through an air gap into a regenerating bath. The process is characterised in that the regenerating bath essentially consists of a non-aqueous solvent for tertiary amine oxide having a molecular weight higher than that of the tertiary amine oxide. Solvent-spun fibres with hardly any fibrillation tendency may thus be obtained. Polyethylene glycols are preferably used.
    • 一种用于纤维素的成形体的制备方法是由纤维素的混合物中的氧化叔胺和纤维素的非溶剂,例如描述 水,溶解,将溶液通过模制工具挤出,得到的长丝通过一个气隙进入沉淀浴超出下默认。 该方法的特征在于,沉淀浴基本上包括用于将叔胺氧化物,其中,所述非水溶剂的分子量比叔胺氧化物的大的非水溶剂。 它可以以这种方式来获得,具有较低倾向颤动溶剂纺丝纤维。 聚乙二醇是优选使用的。
    • 9. 发明申请
    • DEVICE AND INSTALLATION FOR USE IN THE PROCESSING OF CELLULOSE SOLUTIONS
    • 设备和系统中使用的纤维素解的处理
    • WO1996005338A1
    • 1996-02-22
    • PCT/AT1995000132
    • 1995-06-26
    • LENZING AKTIENGESELLSCHAFT
    • LENZING AKTIENGESELLSCHAFTZIKELI, StefanECKER, FriedrichRAUCH, ErnstNIGSCH, Arnold
    • D01D01/09
    • B29C47/92B29C47/0009B29C47/362B29C47/54B29C2947/92514B29C2947/92876B29K2001/00
    • The invention concerns a device for controlling the pressure in a flowing viscous material, the device being characterized by: an inlet (8a) through which the material flows into the device, a cylinder (9) capable of holding a particular volume of the material flowing in through the inlet (8a), a plunger (11) which has an aperture (11d) and is fitted to move in the cylinder (9), changing the capacity of the cylinder (9) as it moves, a receptacle (11a) which is fixed over the aperture (11d) in the plunger (11) and connected to the inlet so that the material flows from the inlet (8a) through the receptacle (11a) and through the aperture (11d) in the plunger (11) into the cylinder (9), an outlet (10a) connected to the cylinder (9) and through which the material is discharged from the device. According to the invention, the inlet (8a), the cylinder (9) and the receptacle (11a) must be tubular in design and the receptacle (11a) must slide in telescope fashion over the inlet (8a) when the plunger (11) moves.
    • 本发明涉及一种用于在流动的粘性物质调节压力,所述装置的特征在于:通过它的质量流入装置,引导构件(9)的入口(8a)的具有用于从一个接收能力 入口(8a)的流动组合物的活塞(11)具有开口(11D)和所述引导元件(9),其中,与所述活塞的运动的导向元件(9)的吸收能力(11)改变时可移动地支撑, 外壳(11A),其在所述活塞上的开口(11D)(11)被固定并连接到所述入口,使得从入口(8a)的流动质量通过所述容器(11a)和通过所述开口(11D) 其中的活塞(11)伸入到所述引导元件(9),一个出口(10A),其中所述引导元件(9)打开,并借助于排出从附带条件是所述入口(8a)的装置中的流动的物质, 所述引导元件(9)和所述容器(11A)是套叠在所述活塞(11)的移动过程中管状的并且在所述保持器(11A),所述入口(8a)的滑动。
    • 10. 发明申请
    • PROCESS, DEVICES AND USE OF SAID DEVICES FOR MEASURING EXTINCTION OF TURBID SUSPENSIONS
    • 方法,装置和设备的使用用于测量云悬浮液的消光
    • WO1995035490A2
    • 1995-12-28
    • PCT/AT1995000119
    • 1995-06-16
    • LENZING AKTIENGESELLSCHAFTUNTERBERGER, NorbertPOLANSKY, HorstTICHY, Wolfgang
    • LENZING AKTIENGESELLSCHAFT
    • G01N01/34
    • G01N1/4077B01D29/01B01D29/904G01N21/0303G01N33/343
    • A process for measuring the extinction of turbid suspensions is characterised in that the following steps are carried out continuously and successively: withdrawing probes from a suspension container; separating larger from smaller particles; degassing the probes; and measuring the probes in an extinction measurement apparatus. The probes are preferably filtered. When they are filtered in several steps, at least one of the filtration devices (4, 5) is designed as a self-cleaning device. Degassing is carried out in two degassing containers (7, 7') connected in parallel. Extinction is measured according to the relative method in two layers of different thicknesses. The thickness of the layers is preferably varied by adjusting the thickness of the probe chamber. Before the particles are separated, the probes flow through at least one pressurised container (2). Also disclosed are a filtration device and the use of an extinction measurement apparatus which are advantageous for carrying out the process. The process and these devices are particularly useful for measuring the extinction of disintegration solutions, for example when chemically disintegrating wood.
    • 本发明涉及一种用于测量浑浊悬浮液,其特征在于,连续的序列通过以下步骤进行的吸光度:采取样品从悬浮液罐,较大和较小的颗粒的分离,样品的脱气,在样品中的测量 一个Extinktionsmessgerät。 有利的是,将样品过滤在多级过滤的过滤装置中的至少一个(4,5)被设计自清洁屈服。 脱气在两个并联连接Entgasungsbehältern(7,7“)中进行。 吸光度测量根据相对方法在两个不同的层厚度进行的,并且优选地通过调节在样品室的厚度的层厚度而变化。 之前颗粒的分离,将样品通过至少一个压力容器(2)通过。 此外,过滤装置以及使用Extinktionsmessgerätes的要求保护,这可证明是该过程是有利的。 特别地,该方法和用于测量消化溶液的吸光度的装置是适合的,例如 木材化学制浆。