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    • 4. 发明授权
    • Polysulfide-based toughening agents, compositions containing same and methods for the use thereof
    • 聚硫醚系增韧剂,含有它们的组合物及其使用方法
    • US07087304B1
    • 2006-08-08
    • US10367759
    • 2003-02-19
    • John G. WoodsYuhshi LuhMark M. Konarski
    • John G. WoodsYuhshi LuhMark M. Konarski
    • B32B27/38B32B7/12C08L63/00C09J163/00H01L21/56
    • C08G59/302C08L63/00H01L23/293H01L2924/0002Y10T428/31511Y10T428/31515C08L81/00H01L2924/00
    • In accordance with the present invention, there are provided toughening agents which are useful for improving the performance properties of epoxy-based adhesive formulations. For example, epoxidized polysulfides have been found to be useful toughening agents of component level underfill adhesive compositions. Invention materials are liquid rubbers which provide improved fracture toughness while maintaining satisfactory capillary flow properties. Invention materials can be synthesized in neat (solventless) reactions from readily available low-cost raw materials and isolated in high yields. They have linear and branched telechelic structures with terminal epoxide functional groups, and are prepared without substantially increasing the molecular weight of the starting polysulfide materials. Invention materials are compatible with common epoxy formulations and may be used without purification. At low levels of incorporation, they provide adhesives that meet the minimum fracture toughness (Gq>2.0 lb/in) and capillary flow specifications (flow time
    • 根据本发明,提供了可用于改善环氧基粘合剂制剂的性能的增韧剂。 例如,已经发现环氧化多硫化物是组分级底部填充粘合剂组合物的有用的增韧剂。 发明材料是提供改善的断裂韧性同时保持令人满意的毛细管流动特性的液体橡胶。 本发明材料可以从易于获得的低成本原料的纯(无溶剂)反应中合成并以高收率分离。 它们具有带末端环氧官能团的直链和支链遥爪结构,并且在不显着增加起始多硫化物材料的分子量的情况下制备。 本发明材料与普通的环氧配方相容,可以不经纯化地使用。 在低掺量下,它们提供了许多商业底层填充应用的粘合剂,其满足最小断裂韧性(Gq> 2.0lb / in)和毛细管流动规格(流动时间<180秒)。 根据本发明的另一个实施方案,提供了包含本发明化合物的粘合剂组合物及其使用方法。 在本发明的另外的实施方案中,提供了制备本发明增韧剂的方法,用于将装置粘附到基底上的方法以及包括附着到第二制品上的第一制品的组件。
    • 5. 发明授权
    • Multi-functional alpha-alkoxyalkyl acrylate and methacrylate ester compositions and reworkable polymers formed therefrom
    • 多官能α-烷氧基烷基丙烯酸酯和甲基丙烯酸酯组合物和由其形成的可再加工聚合物
    • US07067601B2
    • 2006-06-27
    • US10415904
    • 2001-11-15
    • John G. WoodsSusanne D. Morrill
    • John G. WoodsSusanne D. Morrill
    • C08F116/34
    • C08F20/28C08F265/06C08F290/061C08L2666/02C09D133/14C09J151/003
    • Adhesive compositions are disclosed which include acrylates, their polymers, and free radical initiators. The compositions include a multi-functional alpha-alkoxyalkyl (meth)acrylate compound and a free radical initiator. The multi-functional alpha-alkoxyalkyl (meth)acrylate compound is the reaction product of: (a) a (meth)acrylic acid or a (meth)acrylate ester having a free carboxylic acid group; and (b) a compound including two or more 1-alkenyl ether groups and free of acetal and ketal groups, or a compound free of acetal and ketal groups and including one or more 1-alkenyl ether groups and a (meth)acrylate group. The compositions are easier and less expensive to prepare than conventional acrylate compositions and degrade when contacted with an acid medium or when heated. The compositions are useful in a wide range of applications and are compatible with conventional adhesive additives.
    • 公开了包括丙烯酸酯,它们的聚合物和自由基引发剂的粘合剂组合物。 组合物包括多官能α-烷氧基烷基(甲基)丙烯酸酯化合物和自由基引发剂。 多官能α-烷氧基烷基(甲基)丙烯酸酯化合物是:(a)(甲基)丙烯酸或具有游离羧酸基的(甲基)丙烯酸酯的反应产物; 和(b)包含两个或更多个1-链烯基醚基并且不含缩醛和缩酮基团的化合物或不含缩醛和缩酮基团的化合物并包括一个或多个1-烯基醚基团和(甲基)丙烯酸酯基团的化合物。 组合物比常规丙烯酸酯组合物更容易制备并且更便宜,并且当与酸性介质接触或加热时降解。 该组合物可用于广泛的应用,并且与常规粘合剂添加剂相容。
    • 10. 发明授权
    • Method of making temperature sensitive device and device made thereby
    • 制造温敏装置及装置的方法
    • US4323875A
    • 1982-04-06
    • US226559
    • 1981-01-21
    • Joseph A. TentarelliRichard L. WahlersJohn G. Woods
    • Joseph A. TentarelliRichard L. WahlersJohn G. Woods
    • G01K7/16H01C7/02H01C17/08H01C17/30H01C3/04B05D5/12
    • H01C17/08H01C17/30H01C7/021Y10T29/49085
    • A method of making a thin nickel film temperature sensitive device with a relatively high positive temperature coefficient of resistance utilizing a film of nickel deposited from a bulk nickel source onto an electrically insulating substrate, and device made thereby including the step of heat treating a resistor element having a thin film of nickel deposited on an electrically insulating substrate by heating in a reducing atmosphere to a peak temperature of at least 550.degree. C., over a heating cycle of at least about 20 minutes. The nickel film of the heat treated resistor element has a selected temperature coefficient of resistance which is at least 60% of the value of the coefficient for the bulk nickel and a sheet resistance of at least one ohm per square which properties are determined by the heat treating temperature and cycle time, and the thickness of the nickel film. The resistor element can be made by vacuum depositing the nickel film to the desired thickness onto the insulating substrate, and affixing terminations to the ends of the resistor element and applying a protective outer coating to the nickel film after the heat treating of the element.
    • 一种使用从大块镍源沉积到电绝缘基板上的镍膜形成具有相对高的正温度系数电阻的薄镍膜温度敏感器件的方法,以及由此制成的器件包括对电阻元件进行热处理的步骤 具有通过在还原气氛中加热至沉积在电绝缘基板上的镍薄膜至峰值温度至少为550℃的加热循环至少约20分钟。 经热处理的电阻器元件的镍膜具有选定的电阻温度系数,其至少为体积镍的系数值的60%,并且每平方厘米至少1欧姆的薄层电阻,其特性由热量确定 处理温度和循环时间以及镍膜的厚度。 电阻元件可以通过将镍膜真空沉积到所需的厚度到绝缘基板上,并且将端子固定到电阻元件的端部并且在元件的热处理之后向镍膜施加保护性外涂层来制造。