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公开(公告)号：US20160245966A1
公开(公告)日：2016-08-25
申请号：US15030290
申请日：2014-10-13
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Bruce H. Edwards , Shri Niwas , Cheryl S. Elsbernd
CPC classification number: G02B5/128 , B32B37/12 , B32B37/14 , B32B38/10 , B32B2307/416
Abstract: Methods for preparing retroreflective articles include providing a thermoplastic polymeric carrier layer, partially embedding transparent microspheres into the surface of the carrier layer so that the beads partially protrude from the surface of the carrier layer, depositing a metal reflective layer on the microspheres, applying a treatment solution to the metal layer, and applying a bead bond layer to the treated metal layer, to form an intermediate article. Upon removal of the carrier layer, the deposited metal layer not in contact with the surface of the microspheres remains present on the carrier layer, to form retroreflective articles with a discontinuous layer of reflective metal disposed only on the surface of the transparent microspheres.
Abstract translation: 用于制备回射制品的方法包括提供热塑性聚合物载体层，将透明微球部分地嵌入载体层的表面，使得珠粒从载体层的表面部分地突出，在微球上沉积金属反射层，施加处理 对金属层的溶液，以及将珠接合层施加到经处理的金属层上，形成中间制品。 在移除载体层时，不与微球表面接触的沉积金属层保留在载体层上，以形成具有仅在透明微球表面上布置的不连续的反射金属层的逆反射制品。
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公开(公告)号：US20170363784A1
公开(公告)日：2017-12-21
申请号：US15537528
申请日：2015-12-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Ruby Chakraborty , Cheryl S. Elsbernd , Shri Niwas , Bruce H. Edwards , Chih-Chung Hsu
IPC: G02B5/128 , G02B5/136 , B32B7/12 , B32B15/082
CPC classification number: G02B5/128 , B32B7/12 , B32B15/082 , B32B2327/12 , B32B2333/12 , B32B2551/00 , G02B5/136
Abstract: Retroreflective article and precursor articles formed during the preparation of the retroreflective articles are provided. Also, methods of making both the precursor articles and the retroreflective articles are provided. The retroreflective articles and the precursor articles contain a reflective layer that includes both a reflective metal and a polymeric blend. The polymeric blend includes both a fluorinated polymer and a (meth)acrylate polymer. The retroreflective articles typically have anti-staining properties, anti-corrosion properties, or both.
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公开(公告)号：US10386550B2
公开(公告)日：2019-08-20
申请号：US15030290
申请日：2014-10-13
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Bruce H. Edwards , Shri Niwas , Cheryl S. Elsbernd
Abstract: Methods for preparing retroreflective articles include providing a thermoplastic polymeric carrier layer, partially embedding transparent microspheres into the surface of the carrier layer so that the beads partially protrude from the surface of the carrier layer, depositing a metal reflective layer on the microspheres, applying a treatment solution to the metal layer, and applying a bead bond layer to the treated metal layer, to form an intermediate article. Upon removal of the carrier layer, the deposited metal layer not in contact with the surface of the microspheres remains present on the carrier layer, to form retroreflective articles with a discontinuous layer of reflective metal disposed only on the surface of the transparent microspheres.
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公开(公告)号：US10345495B2
公开(公告)日：2019-07-09
申请号：US15537528
申请日：2015-12-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Ruby Chakraborty , Cheryl S. Elsbernd , Shri Niwas , Bruce H. Edwards , Chih-Chung Hsu
IPC: G02B5/128 , B32B7/12 , B32B15/082 , G02B5/136
Abstract: Retroreflective article and precursor articles formed during the preparation of the retroreflective articles are provided. Also, methods of making both the precursor articles and the retroreflective articles are provided. The retroreflective articles and the precursor articles contain a reflective layer that includes both a reflective metal and a polymeric blend. The polymeric blend includes both a fluorinated polymer and a (meth)acrylate polymer. The retroreflective articles typically have anti-staining properties, anti-corrosion properties, or both.
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