PMID- 37223132
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20231031
VI  - 2022
DP  - 2022 Oct-Nov
TI  - HYDROPHOBICITY IMPROVEMENTS OF POLYMERS USED IN BIOMEDICAL APPLICATIONS.
LID - V004T05A003 [pii]
LID - 10.1115/IMECE2022-95610 [doi]
AB  - Improvement in hydrophobicity is important for polymers used in various 
      applications such as biomedical applications, as it can delay their degradation 
      due to long-term exposure to moisture environments. Although a number of surface 
      modification techniques have been developed over the years to improve 
      hydrophobicity, their specific influences on hydrophobicity enhancement as well 
      as long-term mechanical and tribological performances are yet to be fully 
      understood. In this study, surface textures, with variation in type and geometry, 
      are introduced on Ultrahigh Molecular Weight Polyethylene (UHMWPE) and High 
      Density Polyethylene (HDPE) surfaces to study the effect of surface modification 
      on hydrophobicity and long-term mechanical and tribological performances. Based 
      on the theoretical study using Wenzel and Cassie-Baxter models, surface textures 
      of various types and dimension are introduced on UHMWPE and HDPE surfaces. The 
      results show that introduction of surface textures significantly improves the 
      hydrophobicity of polymers. Specific relationship between texture type and 
      geometry, and improvement in hydrophobicity is explored. Based on the comparison 
      between experimental results and theoretical models, transition state modeling 
      seems to be more suitable in describing the change in hydrophobicity with the 
      addition of surface texture. The study provides useful guidelines to improve 
      hydrophobicity of polymers for biomedical applications.
FAU - Hossain, Mohammad Motaher
AU  - Hossain MM
AD  - Department of Mechanical & Industrial Engineering, Texas A&M 
      University-Kingsville, Kingsville, TX.
FAU - Lokasani, Vinay Reddy
AU  - Lokasani VR
AD  - Department of Mechanical & Industrial Engineering, Texas A&M 
      University-Kingsville, Kingsville, TX.
LA  - eng
GR  - SC3 GM136636/GM/NIGMS NIH HHS/United States
PT  - Journal Article
DEP - 20230208
PL  - United States
TA  - Int Mech Eng Congress Expo
JT  - International Mechanical Engineering Congress and Exposition : [proceedings]. 
      International Mechanical Engineering Congress and Exposition
JID - 101609945
PMC - PMC10205070
MID - NIHMS1897956
OTO - NOTNLM
OT  - Polymer
OT  - hydrophobicity
OT  - surface texture
OT  - water contact angle
EDAT- 2023/05/24 13:08
MHDA- 2023/05/24 13:09
PMCR- 2023/05/23
CRDT- 2023/05/24 11:43
PHST- 2023/05/24 13:09 [medline]
PHST- 2023/05/24 13:08 [pubmed]
PHST- 2023/05/24 11:43 [entrez]
PHST- 2023/05/23 00:00 [pmc-release]
AID - V004T05A003 [pii]
AID - 10.1115/IMECE2022-95610 [doi]
PST - ppublish
SO  - Int Mech Eng Congress Expo. 2022 Oct-Nov;2022:V004T05A003. doi: 
      10.1115/IMECE2022-95610. Epub 2023 Feb 8.