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    • 3. 发明授权
    • Process for producing articles made from polyurethane foam and additive
for performing this process
    • 用于制造由聚氨酯泡沫制成的制品和用于进行该方法的添加剂的方法
    • US4783296A
    • 1988-11-08
    • US927896
    • 1986-11-06
    • Wolfgang FischerThomas HattichWilliam KrugGerhard Schuster
    • Wolfgang FischerThomas HattichWilliam KrugGerhard Schuster
    • B29C39/36B29C33/60B29K75/00B29K105/04B29L31/58B29C67/22
    • B29C33/60B29K2075/00B29K2105/04Y10S264/83
    • A process for producing polyurethane foam articles is described, in which the article is produced in the conventional manner by foaming in a mould and a release agent is applied to the mould surface prior to filling with the foam-producing components. According to the invention, a solvent-free, aqueous release agent is used in combination with one or more alkali metal and/or ammonium salts of higher fatty acids and one or more higher alcohols and the combination is applied in the hot state, preferably at a temperature of at least 75.degree. C. to the mould surface. In addition, an additive is described, which is suitable for performing the process according to the invention and contains one or more alkali metal and/or ammonium salts of higher fatty acids, one or more higher alcohols and otherwise water. The process according to the invention has the advantage that it not only avoids the use of environmentally prejudicial organic solvents, but also leads to excellent release agent films, from which the water is very largely evaporated within a very short time and namely within the very short cycle times of modern foam plants.
    • 对制造聚氨酯泡沫塑料制品的方法进行了描述,其中以常规方式通过在模具中发泡制备制品,并且在填充泡沫产生组分之前将脱模剂施加到模具表面。 根据本发明,无溶剂的水性脱模剂与一种或多种高级脂肪酸和一种或多种高级醇的碱金属和/或铵盐组合使用,并且组合在热态下施用,优选在 与模具表面的温度至少为75℃。 此外,描述了适用于进行根据本发明的方法并且含有一种或多种高级脂肪酸,一种或多种高级醇和其它水的碱金属和/或铵盐的添加剂。 根据本发明的方法具有的优点在于它不仅避免了使用环境有害的有机溶剂,而且还导致优异的脱模剂膜,在很短的时间内,即非常短的时间内,水在很大程度上被蒸发, 现代泡沫植物的循环时间。
    • 4. 发明授权
    • Release agent and process performable therewith for the production of
polyurethane foam
    • 用于生产聚氨酯泡沫的脱模剂和工艺可以进行
    • US4609511A
    • 1986-09-02
    • US819465
    • 1986-01-15
    • Wolfgang FischerWilliam Krug
    • Wolfgang FischerWilliam Krug
    • B29C39/36B29B7/76B29C33/60B29C45/40B29K75/00C08G18/14
    • B29C33/60B29K2075/00
    • A release agent is described, which is suitable for the production of polyurethane foam articles in molds. It is an aqueous emulsion or dispersion of per se known release-effective substances as well as optionally conventional additives, having a water content of at least 60% by weight and preferably 85 to 96% by weight, the water being masked through the effect of lyotropic mesomorphism. Masking and immobilizing the water molecules avoids that the water molecules have a prejudicial effect of the polyol/isocyanate reaction, and is preferably achieved by the combined use of release-effective substances and suitable masking aids. As suitable masking aids especially fatty alcohol polyglycol ethers and ethoxylated fatty alcohols are proposed. The polyurethane articles obtained while using the above described release agent fulfil the standard quality requirements without any of the disadvantageous effects on the environment such as occur with conventional release agents.
    • 描述了一种脱模剂,其适用于在模具中生产聚氨酯泡沫制品。 它是本身已知的释放有效物质以及任选的常规添加剂的水性乳液或分散体,其水含量为至少60重量%,优选85至96重量%,通过 溶致性介晶。 掩蔽和固定水分子避免水分子对多元醇/异氰酸酯反应具有不利影响,并且优选通过组合使用释放有效物质和合适的掩蔽助剂来实现。 作为合适的掩蔽助剂,特别是脂肪醇聚乙二醇醚和乙氧基化脂肪醇。 使用上述脱模剂时获得的聚氨酯制品满足标准质量要求,而不会对常规脱模剂发生的环境造成任何不利影响。
    • 9. 发明申请
    • HIGH SPEED DVDS
    • 高速DVD
    • US20130029081A1
    • 2013-01-31
    • US13575780
    • 2011-01-26
    • Friedrich-Karl BruderWilfried HaeseRafael OserWolfgang FischerMichael LudewigRaymond WongIce Zhang
    • Friedrich-Karl BruderWilfried HaeseRafael OserWolfgang FischerMichael LudewigRaymond WongIce Zhang
    • G11B7/256B32B37/12C08L75/14
    • G11B7/2533G11B7/24047G11B7/246G11B7/253Y10T428/21
    • This invention relates to DVDs made from polycarbonate and a special UV curable bonder material consisting of A) an urethane acrylate oligomer as binder, which is the reaction product of i) one or more polyisocyanates and ii) one or more hydroxyfunctional lactone ester (meth)acrylates having a number average molecular weight of from 200 g/mol to 2000 g/mol and having the formula: CH2═C(R1)—C(O)—O—R2—[O—C(O)—R3]n—OH wherein, n is an integer from 1 to 5, R1 is hydrogen or methyl, R2 represents an alkylene group or substituted alkylene group having from 2 to 10 carbon atoms and R3 represents a straight or branched chain alkylene group of from 3 to 8 carbon atoms, and which may be substituted with one or more alkyl groups having from 1 to 12 carbon atoms, B) a reactive thinner, comprising of mono functional acrylates and/or (meth)acrylates C) a photo initiator and D) optional additives which offers improved performance at high data transfer rates.
    • 本发明涉及由聚碳酸酯制成的DVD和由A)氨基甲酸酯丙烯酸酯低聚物作为粘合剂组成的特殊UV固化粘合剂材料,其为i)一种或多种多异氰酸酯和ii)一种或多种羟基官能内酯酯(甲基) 丙烯酸酯,其数均分子量为200g / mol至2000g / mol,具有下式:CH 2 = C(R 1)-C(O)-O-R 2 - [O-C(O)-R 3] n -OH,其中n为1至5的整数,R 1为氢或甲基,R 2表示亚烷基或具有2至10个碳原子的取代的亚烷基,R 3表示3至8的直链或支链亚烷基 碳原子,并且其可以被一个或多个具有1至12个碳原子的烷基取代; B)包含单官能丙烯酸酯和/或(甲基)丙烯酸酯的活性稀释剂C)光引发剂和D)任选的添加剂 这在高数据传输速率下提供了更好的性能。
    • 10. 发明授权
    • Rotor/stator device and method for salt-free coagulation of polymer dispersions
    • 转子/定子装置和聚合物分散体的无盐凝结方法
    • US08362200B2
    • 2013-01-29
    • US11816362
    • 2006-02-08
    • Norbert GüntherbergWolfgang FischerManfred Radulla
    • Norbert GüntherbergWolfgang FischerManfred Radulla
    • C08F6/00
    • B02C7/06B02C2/10B02C7/14B29B7/7657B29B15/04C08F6/22
    • A process for the salt-free coagulation of polymer dispersions in a rotor/stator assembly is disclosed. The rotor/stator assembly includes a casing, a rotor shaft rotatably mounted within the casing, a rotor having a conical surface affixed to the rotor shaft, and a stator affixed to the casing and concentrically associated with the rotor. The conical surface faces a surface of the stator to form an adjustable shear gap, which is surrounded by an annular space. A polymer dispersion is fed into the assembly and conveyed through the shear gap. During this conveyance, the polymer dispersion is precipitated at a predetermined shear rate and a predetermined shear deformation. The polymer dispersion is discharged from the assembly through an outlet neck, and the assembly is flushed with water using one or more ports formed in at least one of a pipeline coupled to the axial feed neck, the stator, and the casing.
    • 公开了一种用于转子/定子组件中聚合物分散体的无盐凝结的方法。 转子/定子组件包括壳体,可旋转地安装在壳体内的转子轴,具有固定到转子轴上的锥形表面的转子和固定到壳体并与转子同心相关的定子。 锥形表面面向定子的表面以形成由环形空间包围的可调剪切间隙。 将聚合物分散体进料到组件中并通过剪切间隙输送。 在该输送过程中,聚合物分散体以预定的剪切速率和预定的剪切变形沉淀。 聚合物分散体通过出口颈部从组件排出,并且使用在耦合到轴向进料颈部,定子和壳体的管道中的至少一个中形成的一个或多个端口用水冲洗组件。