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1. 发明授权

US06207246B1 Nonwoven abrasive material roll 有权
标题翻译：无纺磨料卷
公开(公告)号：US06207246B1
公开(公告)日：2001-03-27
申请号：US09447843
申请日：1999-11-23
申请人： Louis S. Moren , Douglas S. Spencer , Laurie A. Windisch
发明人： Louis S. Moren , Douglas S. Spencer , Laurie A. Windisch
IPC分类号： B32B502
CPC分类号： B65H18/28 , A47L13/07 , A47L13/17 , A47L17/08 , B24D3/28 , B24D11/008 , B24D15/04 , B65H2701/1846 , D04H1/413 , D04H1/70 , Y10S428/906 , Y10T428/15 , Y10T428/24372
摘要： A longitudinally extending web of lofty nonwoven abrasive surface treatment material is provided in a coreless roll form to the end user. Successive wraps of the nonwoven abrasive material have interengaging surfaces sufficient to maintain the material in a spirally wrapped configuration yet being readily separable. A plurality of longitudinally spaced and laterally disposed perforations through the web permit the user to successively separate the web into a plurality of sheets of abrasive surface treatment material. In a preferred embodiment, the roll is encased in a protective shrink wrap sheath, and each sheet is separated from the roll by separating said sheet from an innermost wrap of the roll. In another preferred embodiment, the abrasive surface treatment material includes abrasive particles of 1000 grade or finer.
摘要翻译：以无芯辊的形式向最终用户提供高度无纺布磨损表面处理材料的纵向延伸的网。非织造研磨材料的连续包装具有足够的相互接合的表面，以将材料保持在螺旋卷绕的构造中，并且易于分离。通过幅材的多个纵向间隔开的横向设置的穿孔允许使用者将纤维网连续分离成多个研磨表面处理材料片。在优选实施例中，辊被包裹在保护性收缩包裹护套中，并且通过将所述片材从卷的最内层分离而将片材与卷分离。在另一优选实施例中，磨料表面处理材料包括1000级或更细的磨料颗粒。

2. 发明授权

US5368618A Method of making a coated abrasive article 失效
标题翻译：制造涂层磨料制品的方法
公开(公告)号：US5368618A
公开(公告)日：1994-11-29
申请号：US970950
申请日：1992-11-03
申请人： Craig A. Masmar , Douglas S. Spencer , Elizabeth C. Edblom
发明人： Craig A. Masmar , Douglas S. Spencer , Elizabeth C. Edblom
IPC分类号： B24D3/28 , B24D3/34 , B24D11/00 , B29C39/18 , B29C70/64
CPC分类号： B29C39/18 , B24D11/005 , B24D3/28 , B24D3/342 , B29C70/64 , B29C2791/001 , B29K2105/24 , B29L2031/736
摘要： A method of preparing a coated abrasive article in which the presence of multiple layers of abrasive grains are minimized. In one variation, the method comprises the steps of: (a) providing a backing; (b) applying a make coat precursor to the backing; (c) partially curing the make coat precursor; (d) applying, preferably by projecting, a plurality of abrasive grains into the partially cured make coat precursor; and (e) completely curing the partially cured make coat precursor. In another variation of this method, a size coat precursor is applied over the abrasive grains and cured make coat, and the size coat precursor is completely cured. In another variation of this method, a size coat precursor is applied over the abrasive grains and the partially cured make coat precursor, and the make coat precursor and the size coat precursor are completely cured. The make coat precursor preferably comprises an unsaturated resin that polymerizes via a free radical polymerization mechanism at the site of .alpha.,.beta.-unsaturation.
摘要翻译：一种制备涂层磨料制品的方法，其中多层磨粒的存在被最小化。在一个变型中，该方法包括以下步骤：（a）提供背衬; （b）将制作涂层前体施加到背衬上; （c）部分固化该底漆前体; （d）优选通过将多个磨粒投射到部分固化的成膜涂层前体中; 和（e）完全固化部分固化的成膜涂层前体。在该方法的另一变型中，将大小涂层前体施加在磨料颗粒和固化的底涂层上，并且涂层前体完全固化。在该方法的另一变型中，将大小涂层前体施加在磨料颗粒和部分固化的涂层前体上，并且制备涂层前体和涂层前体完全固化。制备涂层前体优选包含通过自由基聚合机理在α，β-不饱和位点聚合的不饱和树脂。

3. 发明授权

US5551961A Abrasive articles and methods of making same 失效
标题翻译：磨料制品及其制作方法
公开(公告)号：US5551961A
公开(公告)日：1996-09-03
申请号：US479318
申请日：1995-06-07
申请人： Robbyn L. Engen , Douglas S. Spencer , Jeffrey E. Ford
发明人： Robbyn L. Engen , Douglas S. Spencer , Jeffrey E. Ford
IPC分类号： B24D3/00 , B24D3/28 , B24D3/34 , B24D11/00 , C08G12/12 , C08J5/14 , B24D3/02
CPC分类号： B24D3/004 , B24D11/00 , B24D3/28 , B24D3/285 , B24D3/344 , C08G12/12
摘要： An abrasive article and methods for making such abrasive articles, including coated and nonwoven abrasive articles, comprising (a) a plurality of abrasive particles and (b) a bond system which adheres the plurality of abrasive particles together, the bond system comprising a binder; the binder being formed from a binder precursor essentially free of organic solvent, the binder precursor comprising a blend of an urea-aldehyde resin and a water dilutable resole phenolic resin, the blend being catalyzed by an acid catalyst system and, in particular, a coated abrasive comprising (a) a backing having a major surface, (b) a plurality of abrasive particles, and (c) a bond system which adheres the plurality of abrasive particles to the major surface of the backing, the bond system comprising a binder; the binder being formed from a binder precursor comprising a blend of an urea-aldehyde resin and a water dilutable resole phenolic resin, the blend being catalyzed by an acid catalyst, wherein the blend comprises from about 5 to about 90 weight percent of the water dilutable resole phenolic resin and from about 95 to about 10 weight percent of the urea-aldehyde resin.
摘要翻译：一种磨料制品和用于制造这种磨料制品的方法，包括涂覆和非织造磨料制品，其包括（a）多个磨料颗粒和（b）将多个磨料颗粒粘附在一起的粘结系统，所述粘合体系包括粘合剂; 所述粘合剂由基本上不含有机溶剂的粘合剂前体形成，所述粘合剂前体包括脲醛树脂和水可稀释的甲阶酚醛树脂的共混物，所述共混物由酸催化剂体系催化，特别是涂覆研磨剂包括（a）具有主表面的背衬，（b）多个磨料颗粒，和（c）将多个磨料颗粒粘附到背衬的主表面上的粘结体系，所述粘结体系包括粘合剂; 所述粘合剂由包含脲醛树脂和水可稀释的甲阶酚醛树脂的共混物的粘合剂前体形成，所述共混物由酸催化剂催化，其中所述共混物包含约5至约90重量％的水可稀释酚醛树脂和约95至约10重量％的脲醛树脂。

4. 发明授权

US4773920A Coated abrasive suitable for use as a lapping material 失效
标题翻译：适用于研磨材料的涂层磨料
公开(公告)号：US4773920A
公开(公告)日：1988-09-27
申请号：US27329
申请日：1987-03-18
申请人： Jonathan N. Chasman , Ramon F. Hegel , Philip E. Kendall , Nathan B. Postma , Douglas S. Spencer
发明人： Jonathan N. Chasman , Ramon F. Hegel , Philip E. Kendall , Nathan B. Postma , Douglas S. Spencer
IPC分类号： B24D3/00 , B24D3/28 , B24D11/00 , C08J5/14
CPC分类号： B24D3/001 , B24D11/00 , B24D3/28 , Y10T428/31504 , Y10T428/31536
摘要： Coated abrasive comprising a backing and abrasive grain adhered to said backing by means of a binder. The binder is prepared from a composition that is curable by free-radical polymerization. The composition contains abrasive grain suspended therein at the time the composition is coated onto the backing. The abrasive exhibits high endurance for extended periods of use. The coated abrasive is prepared by a method comprising the steps of:(a) providing a coatable composition comprising a binder curable by free-radical polymerization, said composition having lapping size abrasive grains suspended therein,(b) coating said composition on a backing, and(c) curing said composition by means of free-radical polymerization.
摘要翻译：涂层研磨剂包括通过粘合剂粘附到所述背衬上的背衬和磨料颗粒。粘合剂由可通过自由基聚合固化的组合物制备。组合物在将组合物涂覆到背衬上时含有悬浮在其中的磨料颗粒。研磨剂在长时间使用时具有高耐久性。通过包括以下步骤的方法制备涂覆的磨料：（a）提供包含通过自由基聚合可固化的粘合剂的可涂覆组合物，所述组合物具有悬浮在其中的研磨尺寸的磨料颗粒，（b）将所述组合物涂覆在背衬上，和（c）通过自由基聚合固化所述组合物。

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