Christopher Weikart,Becky L. Clark,Adam Stevenson,John T. Felts
申请号：
US16448689
公开号：
US20190358123A1
申请日:
2019.06.21
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A blood sample collection tube and other vessels are described including an article surface and a coating set comprising a tie coating or layer of SiOxCy or SiNxCy applied to the article surface, a barrier coating or layer of SiOx, and a pH protective layer of SiOxCy or SiNxCy. The vessels optionally contain a fluid with a pH of 4 to 8, alternatively 5 to 9. The barrier coating or layer prevents oxygen from penetrating into the thermoplastic vessel, and the tie coating or layer and pH protective coating or layer together protect the barrier layer from the contents of the vessel.
