Highly durable coatings for automotive polycarbonate glazing

被引：50

作者：

Katsamberis, D ^{[1
]}

Browall, K

Iacovangelo, C

Neumann, M

Morgner, H

机构：

[1] GE Plast, Pittsfield, MA 01201 USA

[2] GE, Corp Res & Dev, Schenectady, NY 12301 USA

[3] Fraunhoger Inst Elekt Strahl & Plasmatech, D-01324 Dresden, Germany

来源：

PROGRESS IN ORGANIC COATINGS | 1998年 / 34卷 / 1-4期

关键词：

plasma coatings; silicone hard-coats; polycarbonate;

D O I：

10.1016/S0300-9440(98)00002-2

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Automotive glazing represents a significant high volume application opportunity for engineering thermoplastic materials. Specifically, the use of polycarbonate can provide benefits such as vehicle weight reduction, occupant containment and design flexibility. Polycarbonate has superb impact resistance, optical clarity and the processing benefits of thermoplastic, but lacks abrasion resistance and weathering performance. Solution applied silicone-based hard-coats markedly improve the durability of polycarbonate. However, for glass-like abrasion performance, the use of plasma generated coatings is necessary in combination with the silicone hard-coats. A plasma-enhanced chemical vapor deposition (PECVD) process has produced coating systems with excellent adhesion, thermocycling performance, weathering and Taber abrasion similar to glass. Recent work has focused on the use of a hollow-cathode activated deposition (HAD) process, in order to produce similar performance coatings at much higher deposition rates than the PECVD process, for commercial viability. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：130 / 134

页数：5

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