基本信息:
- 专利标题： ANTI-BLUSH AND CHEMICAL RESISTANT POLYESTER FILM
- 申请号：PCT/US2019/064345 申请日：2019-12-04
- 公开(公告)号：WO2020131364A1 公开(公告)日：2020-06-25
- 发明人： MORITZ, Jan , ERVOLINO, Robert
- 申请人： TORAY PLASTICS (AMERICA), INC.
- 申请人地址： 50 Belver Avenue, North Kingstown, Rhode Island 02852 US
- 专利权人： TORAY PLASTICS (AMERICA), INC.
- 当前专利权人： TORAY PLASTICS (AMERICA), INC.
- 当前专利权人地址： 50 Belver Avenue, North Kingstown, Rhode Island 02852 US
- 代理机构： DAVE, Raj S.
- 优先权： US16/223,144 20181218
- 主分类号： B32B27/36
- IPC分类号： B32B27/36 ; C08K5/5333 ; C08L67/02
摘要：
Embodiments herein relate to a polymer film comprising an anti-blushing composition in a blend comprising polyethylene terephthalate (PET) and polybutylene terephthalate (PBT); wherein the blend contains at least 50 wt.% of PBT; wherein the anti-blushing composition comprises a phosphorus containing compound but excludes certain phosphorus compounds; and wherein the anti-blushing composition is configured to prevent blushing in the polymer film laminated directly to a metal substrate sheet and exposed to steam at a temperature of 260°F for 90 minutes.
IPC结构图谱:
| B | 作业；运输 |
| --B32 | 层状产品 |
| ----B32B | 层状产品，即由扁平的或非扁平的薄层，例如泡沫状的、蜂窝状的薄层构成的产品 |
| ------B32B27/00 | 实质上由合成树脂组成的层状产品 |
| --------B32B27/36 | .由聚酯组成的 |