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    • 4. 发明授权
    • Highly absorbent polyurethane foam
    • 高吸水性聚氨酯泡沫
    • US4985467A
    • 1991-01-15
    • US336954
    • 1989-04-12
    • David J. KellyDai W. Kim
    • David J. KellyDai W. Kim
    • C08J9/00
    • C08J9/0061C08J2375/04Y10S521/905
    • A highly hydrophilic polyurethane article, which is the skeletal network of a cellular polyurethane foam subjected to a reticulation process wherein the polyurethane contains up to 100 parts of a superabsorbent material per hundred parts of polyol used in preparing the polyurethane, is useful in absorbing and holding large amounts of aqueous liquids is prepared by:(a) mixing a polyisocyanate, a polyol and a blowing agent with a finely divided superabsorbent material which is insoluble in a liquid which the material absorbs and which absorbs at least 15 times its weight of said liquid,(b) reacting the polyisocyanate, polyol and blowing agent under foaming conditions to produce a foam of polyurethane which cmprises a multitude of gas cells or bubbles within the polyurethane matrix,(c) curing said foam of polyurethane, forming a cellular structure with windows or membranes of solid polyurethanes present between gas cells or bubbles,(d) removing the windows or membranes by thermal reticulation thereby leaving the skeletal structure of the cured polyurethane; and said article is useful wherever high absorption and retention of large quantities of aqueous liquids is needed, including diapers, surgical sponges, and so forth.
    • 高亲水性聚氨酯制品,其是进行网状化处理的泡沫聚氨酯泡沫体的骨架网络,其中聚氨酯包含每100份用于制备聚氨酯的多元醇多达100份超吸收材料,可用于吸收和保持 通过以下方法制备大量的含水液体:(a)将多异氰酸酯,多元醇和发泡剂与细分的超吸收材料混合,所述超吸收材料不溶于材料吸收的液体,并吸收其至少15倍重量的所述液体 ,(b)在发泡条件下使多异氰酸酯,多元醇和发泡剂反应以产生聚氨酯泡沫,其中聚氨酯基质中含有大量气泡或气泡,(c)固化所述聚氨酯泡沫,形成具有窗口的泡孔结构 或存在于气体细胞或气泡之间的固体聚氨酯膜,(d)通过热回收除去窗户或膜 由此离开固化的聚氨酯的骨架结构; 并且所述制品在需要大量含水液体的高吸收和保留的地方是有用的,包括尿布,手术海绵等。
    • 5. 发明授权
    • Process for preparing in situ reticulated polyurethane foam
    • 制备原位网状聚氨酯泡沫的方法
    • US4670477A
    • 1987-06-02
    • US817456
    • 1986-01-09
    • David J. KellyPaul J. Cacciatore
    • David J. KellyPaul J. Cacciatore
    • C08G18/40C08J9/00C08J9/14C08J9/38
    • C08J9/0061C08G18/4018C08G18/4072C08G2101/005C08J2375/04C08J2425/00
    • An improved process for in situ production of a reticulated, open-cell polyurethane foam which comprises reacting a polyester/polyether polyol mixture with an aromatic polyisocyanate having a ratio of isocyanate moieties to aromatic moieties of about 2:1 in the presence of a catalyst and a blowing agent,the improvement comprises:said polyol mixture being(a) 80 to 95 parts by weight of polyester polyol and(b) 20 to 5 parts by weight of polyoxypropylene polyether polyol or a mixed poly(oxyethylene/oxypropylene polyether polyol, each having at least one polymer of ethylenically unsaturated monomers dispersed therein and a stabilizing surfactant for polyether polyurethane foam,and said process produces a polyurethane foam which has excellent strength properties and an exceeding low resistance to air flow.
    • 用于原位生产网状开孔聚氨酯泡沫的改进方法,其包括在催化剂存在下使聚酯/聚醚多元醇混合物与异氰酸酯部分与芳族部分的比例为约2:1的芳族多异氰酸酯反应;和 发泡剂的改进包括:所述多元醇混合物为(a)80至95重量份聚酯多元醇和(b)20至5重量份聚氧丙烯聚醚多元醇或混合聚氧乙烯/氧丙烯聚醚多元醇 具有至少一种分散在其中的烯属不饱和单体的聚合物和用于聚醚聚氨酯泡沫的稳定表面活性剂,并且所述方法产生具有优异的强度性能和超过低的空气流阻力的聚氨酯泡沫。
    • 9. 发明授权
    • Foam-fabric laminate for a cushion assembly
    • 用于衬垫组件的泡沫织物层压板
    • US5976685A
    • 1999-11-02
    • US218525
    • 1998-12-22
    • David J. KellyPaul Haslanger
    • David J. KellyPaul Haslanger
    • B29C44/56B29C63/02B32B5/22B32B7/12
    • B29C44/569B29C63/025Y10T428/249958Y10T428/249982Y10T428/249985Y10T442/3366Y10T442/652
    • A seat cushion assembly is formed by (a) placing a foam-fabric laminate (14, 15) and an air impervious adhesive film (16) over a mold (18); (b) drawing the adhesive against the foam and urging the fabric against the mold by vacuum; (c) placing a foam pad (12) adjacent to the adhesive film; (d) heating the film and diffusing it into the foam pad and into the foam of the foam-fabric laminate; and (e) curing the film adhesive. The foam layer laminated to the fabric is formed as the reaction product of a polyether polyol or a graft polyether polyol with about 30 to 60 parts by weight of an MDI or polymeric MDI/TDI blended isocyanate with the major portion MDI or mixtures thereof, about 1.5 to 3.0 parts by weight water as a blowing agent, about 0.05 to about 0.90 parts by weight amine catalyst and about 0.5 to about 1.5 parts by weight silicone surfactant, wherein all amounts are based on 100 parts by weight polyol.
    • 座垫组件通过(a)将泡沫织物层压板(14,15)和不透气的粘合剂膜(16)放置在模具(18)上而形成; (b)将粘合剂拉到泡沫上并通过真空将织物推向模具; (c)将泡沫垫(12)放置在所述粘合膜附近; (d)加热膜并将其扩散到泡沫垫中并进入泡沫织物层压体的泡沫中; 和(e)固化膜粘合剂。 层压到织物上的泡沫层形成为聚醚多元醇或接枝聚醚多元醇与约30至60重量份的MDI或聚合MDI / TDI混合异氰酸酯与主要MDI或其混合物的反应产物,约 1.5至3.0重量份的水作为发泡剂,约0.05至约0.90重量份的胺催化剂和约0.5至约1.5重量份的有机硅表面活性剂,其中所有的量都是基于100重量份的多元醇。
    • 10. 发明授权
    • Electrical socket for high-frequency applications
    • 电插座用于高频应用
    • US5586891A
    • 1996-12-24
    • US237676
    • 1994-05-04
    • David J. KellyGary P. PiraniAlan M. Gulachenski
    • David J. KellyGary P. PiraniAlan M. Gulachenski
    • G01R1/04H05K7/10H01R9/09
    • G01R1/045H01R12/716H05K7/103
    • An electrical socket is disclosed for interfacing between a printed circuit board having contact pads and an electronic module having external leads, such as an integrated circuit. The electrical socket includes a base frame, containing an opening generally conforming to the body shape and size of the electronic module, and a plurality of spaced, parallel conductive members, such as electrical wires, arrayed on a resilient strip coextensive with at least part of the surface of the opening. Each conductive member includes both a lead portion in adjacent parallel relationship with one of the electronic module external leads and a contact portion in electrical engagement with a contact pad, and may also include a retaining portion for securing the conductive member to the resilient strip. The electrical socket may include a cover, with thermal vent holes, to secure the electronic module within the base frame opening.
    • 公开了一种用于在具有接触焊盘的印刷电路板和具有诸如集成电路的外部引线的电子模块之间进行接口的电插座。 电插座包括基架,其包含大致符合电子模块的主体形状和尺寸的开口,以及多个间隔开的平行导电构件,例如电线,排列在与至少部分 开口的表面。 每个导电构件包括与电子模块外部引线之一相邻并联关系的引线部分和与接触焊盘电接合的接触部分,并且还可以包括用于将导电部件固定到弹性条上的保持部分。 电插座可以包括具有热通气孔的盖,以将电子模块固定在基架开口内。