-
1.发明授权Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating 失效在磁性涂层中含有弹性聚氨酯粘合剂的磁记录介质
公开(公告)号：US4058646A
公开(公告)日：1977-11-15
申请号：US609561
申请日：1975-09-02
申请人： Guenter Vaeth , Rudolf Bachmann , Heinrich Hartmann , Hans-Joerg Hartmann , Herbert Spoor , Karl Uhl , August Lehner , Winfried Gutermann , Herbert Motz
发明人： Guenter Vaeth , Rudolf Bachmann , Heinrich Hartmann , Hans-Joerg Hartmann , Herbert Spoor , Karl Uhl , August Lehner , Winfried Gutermann , Herbert Motz
CPC分类号： C08G18/6607 , C08G18/6611 , G11B5/7021 , Y10S428/90 , Y10T428/31565 , Y10T428/31591 , Y10T428/31605 , Y10T428/31609
摘要： The invention relates to magnetic recording media comprising a non-magnetic base and, applied thereto, a firmly adhering magnetic coating based on a finely divided magnetic pigment dispersed in a binder which contains at least 50 percent by weight of a special polyurethane elastomer.This polyurethane elastomer is a thermoplastic polyurethane which is soluble in tetrahydrofuran and free from isocyanate groups, and which has been manufactured from (A) 1 mole of one or more hydroxyl-containing polyesters and/or hydroxyl-containing polyethers of molecular weight from 600 to 4,000, (B) from 3.5 to 15 moles of a branched-chain aliphatic diol of 4 to 10 carbon atoms or a mixture of aliphatic diols of 2 to 10 carbon atoms, of which at least 50 mole percent is a branched-chain aliphatic diol of 4 to 10 carbon atoms, (C) from 0 to 1 mole, but not more than 15 mole percent of the aliphatic diols according to B, of an aliphatic polyol with from 3 to 6 OH groups and 3 to 18 carbon atoms, and (D) from 4.5 to 18 moles of a diisocyanate of 6 to 30 carbon atoms, the amount of NCO groups being approximately equivalent to the amount of OH groups of the sum of the components A to C.Magnetic recording media which contain such a polyurethane in the magnetic coating are distinguished by high surface hardness coupled with a markedly improved orientation ratio, a higher packing density and more uniform dispersion of the magnetic particles in the coating.
摘要翻译： 本发明涉及包含非磁性基底的磁记录介质，并施加到基于分散在粘合剂中的细分散的磁性颜料的牢固粘附的磁性涂层，其含有至少50重量％的特殊聚氨酯弹性体。
-
2.发明授权Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating 失效在磁性涂层中含有弹性聚氨酯粘合剂的磁记录介质
公开(公告)号：US4320171A
公开(公告)日：1982-03-16
申请号：US150749
申请日：1980-05-19
申请人： Herbert Motz , August Lehner , Heinrich Hartmann , Rudolf Bachmann , Hans-Joerg Hartmann , Harald Frischmann , Roland Falk , Joachim Hack , Milan Velic , Helmut Kopke
发明人： Herbert Motz , August Lehner , Heinrich Hartmann , Rudolf Bachmann , Hans-Joerg Hartmann , Harald Frischmann , Roland Falk , Joachim Hack , Milan Velic , Helmut Kopke
CPC分类号： C08G18/6644 , G11B5/7021 , Y10S428/90 , Y10T428/31551 , Y10T428/31565 , Y10T428/31591 , Y10T428/31609
摘要： Magnetic recording media comprising a non-magnetic base and, applied thereto, a firmly adhering magnetic coating based on a finely divided magnetic pigment dispersed in a binder which contains at least 50 percent by weight of a special polyurethane elastomer, namely a thermoplastic polyurethane which is soluble in tetrahydrofuran, is free from isocyanate groups and has been manufactured from (A) 1 mole of a hydroxyl-containing polyester having a molecular weight of from 700 to 2,500, (B) from 0.3 to 3 moles of a linear aliphatic diol of 2 to 10 carbon atoms, (C) from 0.05 to 0.4 mole of a triol of 3 to 10 carbon atoms, and (D) from 1.35 to 4.7 moles of a diisocyanate of 6 to 30 carbon atoms, the amount of NCO groups being approximately equivalent to the amount of OH groups of the sum of components (A) to (C).
摘要翻译： 磁性记录介质包括非磁性基底，并施加于基于分散在粘合剂中的细碎磁性颜料的牢固粘附的磁性涂层，所述磁性颜料含有至少50重量％的特殊聚氨酯弹性体，即热塑性聚氨酯，其为 可溶于四氢呋喃中，不含异氰酸酯基团，并且由（A）1摩尔分子量为700至2,500的含羟基的聚酯制成，（B）为0.3-3摩尔的直链脂族二醇为2 至10个碳原子，（C）0.05至0.4摩尔3至10个碳原子的三醇，和（D）1.35至4.7摩尔的6至30个碳原子的二异氰酸酯，NCO基团的量约等于 相对于组分（A）至（C）的总和的OH基团的量。
-
3.发明授权Thermoplastic, elastic polyurethanes which are soluble in ethers and/or ketones 失效可溶于醚和/或酮的热塑性弹性聚氨酯
公开(公告)号：US4058506A
公开(公告)日：1977-11-15
申请号：US607099
申请日：1975-08-25
CPC分类号： C14C11/006 , C08G18/10 , C08G18/66 , C08G18/7657 , C08G18/7671
摘要： Thermoplastic, elastic polyurethanes which are soluble in ethers and/or ketones and have a high surface hardness and high modulus of elasticity are manufactured from a polyester-ol and/or a polyether-ol, a substituted or unsubstituted diisocyanato-diphenylmethane or diisocyanato-diphenylsulfone, an aliphatic, branched-chain diol of the formula HOCH.sub.2 --CR.sup.1 R.sup.2 --CO.sub.2 OH, in which R.sup.1 is alkyl and R.sup.2 is alkyl or hydrogen, and, optionally, a triol.
摘要翻译： 可溶于醚和/或酮并且具有高表面硬度和高弹性模量的热塑性弹性聚氨酯由聚酯 - 醇和/或聚醚 - 醇，取代或未取代的二异氰酸酯 - 二苯基甲烷或二异氰酸酯 - 二苯砜 ，式HOCH2-CR1R2-CO2OH的脂族支链二醇，其中R 1是烷基，R 2是烷基或氢，和任选的三醇。
-
公开(公告)号：US4310565A
公开(公告)日：1982-01-12
申请号：US150181
申请日：1980-05-15
申请人： August Lehner , Heinrich Hartmann , Rudolf Bachmann , Albert Kohl , Herbert Spoor , Karl Mahler , Werner Balz
发明人： August Lehner , Heinrich Hartmann , Rudolf Bachmann , Albert Kohl , Herbert Spoor , Karl Mahler , Werner Balz
CPC分类号： G11B5/7021
摘要： A process for the manufacture of magnetic recording media, comprising a non-magnetic base and, applied thereto, one or more magnetizable layers, consisting of an anisotropic magnetic material finely dispersed in an organic binder, wherein the binder contains at least 40% of an aqueous ionomeric polyurethane dispersion which at 50.degree. C. forms films having a modulus of elasticity of from 50 to 700 N/mm.sup.2 and a DIN No. 53,157 pendulum hardness of from 20 to 110 s, the corresponding values of the modulus and hardness at room temperature being more than 3.5 times higher.
摘要翻译： 一种用于制造磁记录介质的方法，包括非磁性基底，并施加于其上，由可分散在有机粘合剂中的各向异性磁性材料组成的一个或多个可磁化层，其中所述粘合剂含有至少40％的 水性离聚物聚氨酯分散体，其在50℃下形成弹性模量为50-700N / mm2的薄膜和DIN编号53,157摆锤硬度为20至110秒，相应的室温模量和硬度值 温度高出3.5倍以上。
-
公开(公告)号：US4334034A
公开(公告)日：1982-06-08
申请号：US231836
申请日：1981-02-05
申请人： August Lehner , Heinrich Hartmann , Guenter Heil , Werner Lenz , Ingolf Buethe , Rudolf Bachmann
发明人： August Lehner , Heinrich Hartmann , Guenter Heil , Werner Lenz , Ingolf Buethe , Rudolf Bachmann
CPC分类号： C08G18/6705 , C08G18/675
摘要： A process for the preparation of polymerizable, primarily linear thermoplastic polyurethane elastomers with acrylate side groups comprising reacting an organic polyisocyanate with a mixture of(a) an acrylate diol having a molecular weight of 146 to 3000,(b) an organic polyhydroxyl compound other than those of paragraph (a) having a molecular weight between 400 and 5000, and(c) a chain extender selected from the group consisting of diols, diamines, aminoalcohols, and triols, having molecular weights between 61 and 400, water, and mixtures thereofwherein the ratio of isocyanate to active hydrogen containing groups is from 0.8:1 to 1.2:1 and wherein 1.4 to 1.8 moles of organic polyisocyante, 0 to 15 moles of component (c) and 0.3 to 6 moles of component (a) are used per mole of component (b). The polymerizable polyurethane elastomers may be used for the manufacture of molded parts, laminates, adhesives, coatings, magnetic tapes, and other articles.
摘要翻译： 一种制备具有丙烯酸酯侧基的可聚合的主要线性的热塑性聚氨酯弹性体的方法，包括使有机多异氰酸酯与（a）分子量为146至3000的丙烯酸酯二醇和（b）有机多羟基化合物的混合物 段落（a）分子量在400和5000之间的那些，和（c）分子量在61和400之间的选自二醇，二胺，氨基醇和三醇的增链剂，水及其混合物 其中异氰酸酯与含活性氢的基团的比例为0.8:1至1.2:1，并且其中使用1.4至1.8摩尔有机聚异氰酸酯，0至15摩尔的组分（c）和0.3至6摩尔的组分（a） 每摩尔组分（b）。 可聚合的聚氨酯弹性体可用于制造模制件，层压材料，粘合剂，涂料，磁带和其它制品。
-
公开(公告)号：US4568612A
公开(公告)日：1986-02-04
申请号：US515464
申请日：1983-07-20
申请人： August Lehner , Werner Balz , Werner Lenz , Helmut Kopke , Rudolf Bachmann , Milan Velic , Milena Melzer , Heinrich Hartmann , Reinhold Baur
发明人： August Lehner , Werner Balz , Werner Lenz , Helmut Kopke , Rudolf Bachmann , Milan Velic , Milena Melzer , Heinrich Hartmann , Reinhold Baur
IPC分类号： C08G18/10 , C08G18/12 , C08G18/65 , C09D5/23 , C09D175/00 , C09D175/04 , G11B5/702 , G11B5/70
CPC分类号： G11B5/7021 , C08G18/10 , Y10S428/90 , Y10T428/31609
摘要： Magnetic recording media comprise a non-magnetic base which is provided with a magnetic layer which consists of a dispersion of an anisotropic magnetic material in an organic binder which consists essentially of an OH-containing polyurea-urethane binder crosslinked with polyisocyanate. The OH-containing polyurea-urethane is obtained by reacting a polydiol, a diol and a primary or secondary aminoalcohol, and if appropriate a triol, with a diisocyanate.
摘要翻译： 磁记录介质包括非磁性基底，该非磁性基底由磁性层构成，该磁性层由各向异性磁性材料在有机粘合剂中的分散体组成，该分散体基本上由与多异氰酸酯交联的含OH聚脲 - 氨基甲酸酯粘合剂组成。 含OH的聚脲 - 氨基甲酸酯通过聚二醇，二元醇和伯或仲氨基醇，如果合适的话使三醇与二异氰酸酯反应得到。
-
公开(公告)号：US4328282A
公开(公告)日：1982-05-04
申请号：US225677
申请日：1981-01-16
申请人： August Lehner , Heinrich Hartmann , Rudolf Bachmann , Werner Balz , Albert Kohl
发明人： August Lehner , Heinrich Hartmann , Rudolf Bachmann , Werner Balz , Albert Kohl
CPC分类号： C08G18/835 , C08G18/0823 , C08G18/0842 , G11B5/7021 , Y10S428/90 , Y10T428/31565 , Y10T428/31609 , Y10T428/31786
摘要： Magnetic recording media comprising a non-magnetic base and, applied thereto, one or more magnetizable layers based on an anisotropic magnetic material finely dispersed in an organic binder containing an ionomeric polyurethane elastomer, wherein the binder used is a substantially aqueous polyurethane dispersion prepared from a polyurethane solution which has been obtained by reacting a polyisocyanate with an organic polyhydroxy compound in the presence of an organic solvent that is inert to isocyanate groups.
摘要翻译： 磁性记录介质包括非磁性基底，并且基于精细分散在含有离聚物聚氨酯弹性体的有机粘合剂中的各向异性磁性材料施加到其上的一个或多个可磁化层，其中使用的粘合剂是由 通过使多异氰酸酯与有机多羟基化合物在异氰酸酯基惰性的有机溶剂的存在下反应而得到的聚氨酯溶液。
-
公开(公告)号：US4000336A
公开(公告)日：1976-12-28
申请号：US521476
申请日：1974-11-06
CPC分类号： G11B5/7021 , Y10S428/90
摘要： In a process for the production of magnetic recording media by applying a layer of a dispersion of a magnetic pigment in a polyurethane-containing binder and a solvent to non-magnetic supports, small amounts of ethylenically unsaturated polymerizable carboxylic acids or their anhydrides with or without copolymerizable monomers are added and polymerized during dispersion of the magnetic pigment. Recording media produced by this process exhibit excellent output level, coefficient of friction and electrical resistance values and have particularly good operational durability.
摘要翻译： 在通过将磁性颜料的分散体在含聚氨酯的粘合剂和溶剂中的一层施加到非磁性载体上来制造磁记录介质的方法中，少量的烯属不饱和可聚合羧酸或其酸酐具有或不具有 可共聚单体在磁性颜料的分散过程中加入并聚合。 通过该方法生产的记录介质表现出优异的输出水平，摩擦系数和电阻值，并且具有特别好的操作耐久性。
-
公开(公告)号：US4086292A
公开(公告)日：1978-04-25
申请号：US713786
申请日：1976-08-12
IPC分类号： C08G14/06 , C08G18/00 , C08G18/58 , C08G59/00 , C08G59/28 , C08G59/50 , C08G59/62 , C08L61/34 , C09D5/44 , C09D163/00 , C09D175/00 , C08L63/00
CPC分类号： C08L61/34 , C08G14/06 , C08G59/623 , C09D163/00 , C09D5/4419
摘要： A surface-coating binder which is substantially free from epoxide groups is obtained by reacting Mannich bases, obtained from condensed phenols, secondary amines which contain at least one hydroxyalkyl group, and formaldehyde, with epoxy resins having an epoxide value of from 0.15 to 0.6, which carry blocked isocyanate groups. In the protonized form, the binders may be used for the cationic electrocoating of metal articles.
摘要翻译： 通过使从缩合酚获得的曼尼希碱，含有至少一个羟烷基的仲胺和甲醛与环氧化物值为0.15-0.6的环氧树脂反应，获得基本上不含环氧基团的表面涂层粘合剂， 其携带封闭的异氰酸酯基团。 在质子化形式中，粘合剂可用于金属制品的阳离子电泳。
-
公开(公告)号：US3992346A
公开(公告)日：1976-11-16
申请号：US541246
申请日：1975-01-15
CPC分类号： C08G63/60
摘要： Binders for coating agents, which are polycondensation products from equimolar amounts of aromatic dicarboxylic acids and diols which contain from 5 to 50% molar of the total diol amount of a neopentylglycol ester of hydroxypivalic acid and which have a melting point range of from 60.degree. to 150.degree. and a K value of from 20 to 45. The products are particularly suitable for coating strip metal.
摘要翻译： 包衣剂的粘合剂，其为来自等摩尔量的芳族二羧酸和二醇的缩聚产物，其含有羟基新戊酸的新戊二醇酯的总二醇量的5至50摩尔％，其熔点范围为60℃至 150°，K值为20〜45。该产品特别适用于涂覆带状金属。
-
-
-
-
-
-
-
-
-
搜索结果
161 条记录 (耗时 0.032 秒)