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Cholesteric laminate material for production of flake pigments and coating materials comprises two cholesteric layers with an interlayer of adhesive material

机译：用于生产片状颜料和涂层材料的胆甾型层压材料包括两个胆甾型层和一个粘合材料夹层

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摘要

An adhesive layer (B) forms the interlayer between similar or different cholesteric layers (A1) and (A2) in a cholesteric laminate material with the layer sequence A1/B/A2. Independent claims are also included for: (i) a process for the production of cholesteric laminate material by: (a) coating a base with a first coating material which is hardened to form layer (A1); (b) coating (A1) with a second material containing heat- and/or pressure-activated adhesive(s) to form a laminate A1/B with adhesive layer (B); (c) coating another base with a third coating material which is hardened to form layer (A2); (d) laminating (A2) with (A1/B) under elevated pressure and/or temperature to form laminate A1/B/A2; (e) stripping off the second base; and optionally (f) stripping off the first base; (ii) a process for the production of multilayer cholesteric flake pigments with the layer sequence A1/B/A2 by milling the above material to a particle size of up to 200 microns; (iii) cholesteric flake pigments obtained by this process; and (iv) compositions and coating materials containing these multilayer pigments.

机译：在具有层序A1 / B / A2的胆甾型层压材料中，粘合剂层（B）在相似或不同的胆甾型层（A1）和（A2）之间形成中间层。还包括以下方面的独立权利要求：（i）一种生产胆甾型层压材料的方法，该方法包括：（a）用硬化形成层（A1）的第一涂料涂覆基底。（b）用包含热和/或压力活化的粘合剂的第二材料涂覆（A1），以形成具有粘合剂层（B）的层压件A1 / B; （c）用硬化形成第三层（A2）的第三涂层材料涂覆另一基底; （d）在升高的压力和/或温度下将（A2）与（A1 / B）层压以形成层压板A1 / B / A2; （e）剥离第二个基地; （f）剥离第一基地;以及（ii）通过将上述材料研磨至最大200微米的粒度来生产层序为A1 / B / A2的多层胆甾醇片状颜料的方法; （iii）通过该方法获得的胆甾型片状颜料; （iv）包含这些多层颜料的组合物和涂料。

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公开/公告号DE19906589A1

专利类型
公开/公告日2000-08-24

原文格式PDF
申请/专利权人 BASF AG;
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申请/专利号DE19991006589
发明设计人 SCHUHMACHER PETER;SCHNEIDER NORBERT;RICHTER VOLKER;BEST WOLFGANG;KOHL ALBERT;BLASCHKA PETER;SIERAKOWSKI CLAUDIA;
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申请日1999-02-17
分类号C09B67/20;C09D17/00;
国家 DE
入库时间 2022-08-22 01:42:16

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