Moh-Ching Oliver CHANG,Tsai-Ting HSU,Yung-Shen CHANG
申请号：
US16262217
公开号：
US20200237478A1
申请日:
2019.01.30
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A multilayer sheet for a dental appliance provided in the present disclosure includes a core layer having a tensile modulus greater than about 1400 MPa and an elongation at break greater than about 3%； and a first skin layer and a second skin layer sandwiching the core layer, wherein each of the first skin layer and the second skin layer independently has a water contact angle greater than 72° and/or a surface energy less than about 40 mN/m. The first skin layer and the second skin layer are the outermost layers of the multilayer sheet. A dental appliance made from the multilayer sheet structure is also provided.
